Patent Description:
In the related art, an electric control box is under a face frame. When a mounting or maintenance operation of an electric control board is required, a panel needs to be opened first, and then the face frame is removed, so as to operate the electric control box. In some models, the face frame defines a large opening at a right side thereof, and the electric control board can be removed through the opening. The large opening is closed with a cover plate, and it is necessary to remove the cover plate first so as to operate the electric control box, resulting in relatively cumbersome operations.

An air conditioner according to the preamble of claim <NUM> is known from document <CIT>.

The present invention seeks to solve at least one of the problems existing in the related art.

To this end, one objective of the present invention is to provide an air conditioner according to claim <NUM>.

The air conditioner according to the present invention includes a base plate; a face frame covering on the base plate; an electric control box mounted to the face frame and located at a front portion of the face frame, at least a portion of the electric control box being detachably connected to the face frame; and a panel openably covering the front portion of the face frame, the electric control box facing the panel in a front-and-rear direction.

In the air conditioner according to the present invention, the electric control box is mounted to the front portion of the face frame, at least a portion of the electric control box is detachably connected to the face frame, and the panel faces the electric control box in the front-and-rear direction, thereby facilitating maintenance of the electric control box.

Additionally, the air conditioner according to embodiments of the present invention may further have the following additional technical features.

According to an embodiment of the present invention, an entirety of the electric control box is detachably mounted to the face frame.

According to an embodiment of the present invention, an upper end of the electric control box is inserted into an upper side of the front portion of the face frame, and a lower end of the electric control box is provided with a first overlapping part overlapped at a front surface of a lower side of the front portion of the face frame, and the first overlapping part is detachably connected to the face frame.

According to an embodiment of the present invention, the electric control box is disposed to at least one end of the face frame in a left-and-right direction, the electric control box is provided with a second overlapping part overlapped at a front surface of the corresponding end of the face frame, and the second overlapping part is detachably connected to the face frame.

According to an embodiment of the present invention, the front portion of the face frame has an opening part, and at least a portion of the electric control box is detachably disposed in the opening part.

According to an embodiment of the present invention, the electric control box includes a box body and a box cover, the box body internally defines an accommodating cavity having an open front portion and adapted to position an electric control board, and the box cover openably covers an open side of the box body.

According to an embodiment of the present invention, the box cover is turnably or detachably connected to the box body.

According to the present invention, the box body comprises a first inner housing and a first sheet metal part, the first sheet metal part wraps an outer side of the first inner housing. According to an embodiment, the first sheet metal part is fixedly or detachably connected to the first inner housing; or the box cover includes a second inner housing and a second sheet metal part, the second sheet metal part wraps an outer side of the second inner housing, and the second sheet metal part is fixedly or detachably connected to the second inner housing.

According to an embodiment of the present invention, the face frame and the base plate are detachably connected.

According to an embodiment of the present invention, the panel is rotatably or turnably connected to the face frame.

According to an embodiment of the present invention, the face frame has an overlapping groove recessed rearwards; and the electric control box includes a wire passage part internally having a wire passage groove, the wire passage groove is communicated with an internal space of the electric control box, and the wire passage part is embedded in the overlapping groove.

According to an embodiment of the present invention, the panel is hinged with the face frame.

According to another embodiment of the present invention, the electric control box includes: a first inner housing having an opening and a first connecting face; a second inner housing detachably connected to the first inner housing to open and close the opening, the second inner housing having the second connecting face fitted with the first connecting face, in which one of the first inner housing and the second inner housing has a water stop part extending into the other thereof, and the water stop part is located inside fitting place between the first connecting face and the second connecting face.

According to an embodiment of the present invention, the second inner housing has a flange part extending towards the first inner housing, and the water stop part is disposed inside the flange part and the water stop part and the flange part are oppositely arranged.

According to an embodiment of the present invention, an end face of the flange part forms the second connecting face.

According to an embodiment of the present invention, the water stop part is arranged adjacent to the opening, and the first connecting face is disposed outside the water stop part and lower than an end face of the water stop part.

According to an embodiment of the present invention, the flange part and the water stop part are spaced apart.

According to an embodiment of the present invention, a length of an overlapping portion between the flange part and the water stop part is greater than or equal to <NUM> millimeter in an extending direction of the flange part.

According to an embodiment of the present invention, the water stop part is oriented in an extending direction of an edge of the opening.

According to an embodiment of the present invention, the electric control box further includes a first sheet metal part covering an outer side of the first inner housing and connected to the first inner housing; a second sheet metal part covering an outer side of the second inner housing and connected to the second inner housing, in which the second sheet metal part has a blocking part extending towards the first sheet metal part, and the blocking part extends beyond fitting place between the first connecting face and the second connecting face.

According to an embodiment of the present invention, the first inner housing is fitted with the first sheet metal part by snap-fit; and/or the second inner housing is fitted with the second sheet metal part by snap-fit.

According to an embodiment of the present invention, one of the first inner housing and the first sheet metal part has a first snap, and the other thereof has a first snap hole fitted with the first snap; and/or one of the second inner housing and the second sheet metal part has a second snap, and the other thereof has a second snap hole fitted with the second snap.

According to an embodiment of the present invention, one of the first inner housing and the first sheet metal part has a first inserting groove, and the other thereof has a first inserting part fitted with the first inserting groove to cause the first sheet metal part to be in tight contact with the first inner housing; and/or one of the second inner housing and the second sheet metal part has a second inserting groove, and the other thereof has a second inserting part fitted with the second inserting groove to cause the second sheet metal part to be in tight contact with the second inner housing.

According to an embodiment of the present invention, the air conditioner includes a housing internally provided with a mounting cavity; an indoor heat exchanger disposed in the mounting cavity; an indoor fan disposed in the mounting cavity; and an electric control box according to the above-described embodiments, the electric control box being disposed in the mounting cavity and located at a shaft side of the indoor fan.

According to an embodiment of the present invention, the electric control box is located at a side of the indoor heat exchanger, and a side of the electric control box near the indoor heat exchanger matches a shape of the indoor heat exchanger.

Additional aspects and advantages of embodiments of the present invention will be given in the following descriptions, become apparent from the following description, and/or be learned from the practice of the present invention.

These and other aspects and advantages of embodiments of the present invention will become apparent and more readily appreciated from the following descriptions made with reference to the drawings, in which:.

Reference numerals: air conditioner <NUM>; base plate <NUM>; face frame <NUM>; opening part <NUM>; inserting hole <NUM>; limiting part <NUM>; support beam <NUM>; overlapping groove <NUM>; electric control box <NUM>; hook <NUM>; first overlapping part <NUM>; second overlapping part <NUM>; box body <NUM>; first inner housing <NUM>; first sheet metal part <NUM>; box cover <NUM>; second inner housing <NUM>; second sheet metal part <NUM>; electric control board <NUM>; wire passage part <NUM>; wire passage groove <NUM>; rib <NUM>; screw column <NUM>; screw hole <NUM>; panel <NUM>; indoor heat exchanger <NUM>; air-inlet grille <NUM>; passage opening <NUM>; second snapping protrusion <NUM>; second flange <NUM>; inserting groove <NUM>; second guide face <NUM>; fixing sheet <NUM>; first snap hole <NUM>; first inserting part <NUM>, first snapping protrusion <NUM>; first flange <NUM>; inserting projection <NUM>; first guide face <NUM>; handle <NUM>; second snap hole <NUM>; blocking part <NUM>; body part <NUM>; opening <NUM>; isolation gap <NUM>; sub-zone <NUM>; first snap <NUM>; first connecting face <NUM>; first inserting groove <NUM>; isolation rib <NUM>; second snap <NUM>; second connecting face <NUM>; flange part <NUM>; water stop part <NUM>; housing <NUM>.

Embodiments of the present invention will be described in detail and examples of the embodiments will be illustrated in the drawings, where same or similar reference numerals are used to indicate same or similar members or members with same or similar functions. The embodiments described herein with reference to drawings are explanatory, illustrative, and intended to generally understand the present invention. The embodiments shall not be construed to limit the present invention.

In the following, an air conditioner <NUM> according to embodiments of the present invention will be described with reference to <FIG>.

An up-and-down direction, a left-and-right direction, and a front-and-rear direction recited in the present invention are as illustrated in <FIG>, <FIG>, <FIG>, <FIG> and <FIG>. It should be understood that, terms such as "left", "right", "front", "rear", "upper" and "lower" as well as derivative thereof should be construed to refer to the orientation as then described or as shown in the drawings under discussion. These relative terms are for convenience of description and do not require that the present invention be constructed or operated in a particular orientation.

As illustrated in <FIG>, <FIG> and <FIG>, the air conditioner <NUM> may substantially include a base plate <NUM>, a face frame <NUM>, an electric control box <NUM> and a panel <NUM>.

Specifically, as illustrated in <FIG> and <FIG>, the face frame <NUM> covers on the base plate <NUM>, and the electric control box <NUM> is mounted to the face frame <NUM> and located at a front portion of the face frame <NUM>. The electric control box <NUM> is mounted at the front portion of the face frame <NUM>, such that the electric control box <NUM> can be maintained, dismounted and mounted directly from the font portion of the face frame <NUM> during maintenance, thereby reducing probability of interference of the face frame <NUM> to an operator, and improving overhaul efficiency.

Additionally, at least a portion of the electric control box <NUM> is detachably connected to the face frame <NUM>. An entirety of the electric control box <NUM> may be detachably connected to the face frame <NUM>. In this way, the entirety of the electric control box <NUM> can be dismounted when maintenance of the electric control box <NUM> is required. It could be understood that, an indoor unit for the air conditioner <NUM>, in particular a wall-mounted indoor unit for the air conditioner <NUM>, generally has a high mounting position, bring trouble to the maintenance of the electric control box <NUM>. The electric control box <NUM> may be entirely dismounted and mounted, such that the entirety of the electric control box can be removed by the operator, and the electric control box <NUM> can be overhauled on the ground, thereby facilitating the overhaul. Alternatively, a portion of the electric control box <NUM> is detachably connected to the face frame <NUM>. In this way, after completion of the overhaul, just remount the detached portion, thereby reducing mounting steps. For example, a side of the electric control box <NUM> opposite the panel <NUM> is detachable.

As illustrated in <FIG>, <FIG> and <FIG>, the panel <NUM> is openably covers the front portion of the face frame <NUM>, and the electric control box <NUM> faces the panel <NUM> in the front-and-rear direction. In this way, when overhaul of the electric control box <NUM> is required, just open the panel <NUM>, the operator can directly overhaul the electric control box <NUM>, thereby further facilitating the overhaul.

Thus, in the air conditioner <NUM> according to embodiments of the present invention, the electric control box <NUM> is mounted at the front portion of the face frame <NUM>, at least a portion of the electric control box <NUM> is detachably connected to the face frame <NUM>, and the electric control box <NUM> faces the panel <NUM> in the front-and-rear direction, thereby improving convenience of the electric control box <NUM> and facilitating overhaul, mounting and dismounting of the electric control box <NUM>.

In some embodiments, the entirety of the electric control box <NUM> is detachably mounted to the face frame <NUM>. Certainly, the above-described embodiments are merely illustrative, and cannot be construed to limit protection scope of the present invention. For example, the electric control box <NUM> may also be partially and detachably connected to the face frame <NUM>. Certainly, the electric control box <NUM> may have a portion detachably connected to the face frame <NUM>, while its entirety is detachably connected to the face frame <NUM>. By taking the latter as an example, the operator can choose to entirely or partially remove the electric control box <NUM> according to practical situation, thereby increasing selectivity for the operator and facilitating improvement of the overhaul efficiency.

In some optional embodiments, as illustrated in <FIG>, <FIG> and <FIG>, an upper end of the electric control box <NUM> is inserted to an upper side of the front portion of the face frame <NUM>, a lower end of the electric control box <NUM> is provided with a first overlapping part <NUM> overlapped at a front surface of a lower side of the front portion of the face frame <NUM>, and the first overlapping part <NUM> is detachably connected to the face frame <NUM>. Thus, the first overlapping part <NUM> at a lower side of the electric control box <NUM> is overlapped at the front surface of the face frame <NUM>, and the upper end of the electric control box <NUM> is inserted to the upper side of the front portion of the face frame <NUM>, and the electric control box <NUM> is mounted and secured to the face frame <NUM>. The upper end of the electric control box <NUM> may be provided with an inserting hole <NUM>, the face frame <NUM> is provided with a hook <NUM> corresponding to the inserting hole <NUM>, and the hook <NUM> extends into the inserting hole <NUM> and hooks the electric control box <NUM>. Alternatively, the upper end of the electric control box <NUM> is provided with the hook <NUM>, the face frame <NUM> is provided with the inserting hole <NUM> corresponding to the hook <NUM>, and the hook <NUM> extends into the inserting hole <NUM> and hooks the face frame <NUM>. Furthermore, a plurality of hooks <NUM> are provided and spaced apart in the left-and-right direction. Thus, mounting stability of the electric control box <NUM> can be improved. Preferably, a side of the hook <NUM> facing the inserting hole <NUM> is provided with a guide slope. Thus, the hook <NUM> can easily extend into the inserting hole <NUM> and hook the face frame <NUM> or the electric control box <NUM>. Additionally, it could be understood that, the first overlapping part <NUM> is detachably connected to the face frame <NUM>, and the upper end of the electric control box <NUM> is inserted to the upper side of the front portion of the face frame <NUM>, thus, the detachable connection between the entirety of the electric control box <NUM> and the face frame <NUM> can be realized. For example, the first overlapping part <NUM> may be screwed, snapped or inserted into the face frame <NUM>.

Certainly, the above-described embodiments are merely illustrative, and cannot be construed to limit protection scope of the present invention. For example, the upper end of the electric control box <NUM> may also be screwed to the upper side of the front portion of the face frame <NUM>.

In some optional embodiments, as illustrated in <FIG>, <FIG>, <FIG> and <FIG>, the electric control box <NUM> is disposed to at least one end of the face frame <NUM> in the left-and-right direction, the electric control box <NUM> is provided with a second overlapping part <NUM> overlapped at the corresponding end of the face frame <NUM>, and the second overlapping part <NUM> is detachably connected to the face frame <NUM>. For instance, the electric control box <NUM> is disposed to a right end of the face frame <NUM>, and a right end of the electric control box <NUM> is provided with the second overlapping part <NUM>, the second overlapping part <NUM> is overlapped at the face frame <NUM>, and the second overlapping part <NUM> is detachably connected to the face frame <NUM>. Thus, the face frame <NUM> can position the right end of the electric control box <NUM>. The second overlapping part <NUM> is detachably connected to the face frame <NUM>, and the second overlapping part <NUM> may be screwed, snapped, or inserted into the face frame <NUM>. For instance, the second overlapping part <NUM> extends rightwards, the face frame <NUM> is provided with a limiting part <NUM>, the limiting part <NUM> is provided with a limiting groove opened leftwards, and the second overlapping part <NUM> is adapted to extend into the limiting groove. Certainly, the electric control box <NUM> may also be disposed to a left end of the face frame <NUM>, which is not elaborated herein.

In some embodiments, as illustrated in <FIG>, the front portion of the face frame <NUM> has an opening part <NUM>, and at least a portion of the electric control box <NUM> is detachably disposed in the opening part <NUM>. The at least a portion of the electric control box <NUM> is detachably disposed in the opening part <NUM>, that is, the electric control box <NUM> is entirely or partially detachable. By providing the opening part <NUM>, on the one hand, a mounting space can be provided for the electric control box <NUM>, and a thickness of a machine body can be reduced; on the other hand, material used for the face frame <NUM> may be decreased, thereby facilitating cost saving.

In some embodiments, as illustrated in <FIG>, <FIG>, <FIG>, and <FIG>, the electric control box <NUM> includes a box body <NUM> and a box cover <NUM>. The box body <NUM> internally defines an accommodating cavity having an open front portion and adapted to position an electric control board <NUM>, and the box cover <NUM> openably covers an open side of the box body <NUM>. In this way, when overhaul of the electric control box <NUM> is required, the entirty of the electric control box <NUM> is removed from the face frame <NUM>, then the box cover <NUM> is opened, and the electric control board <NUM> can be overhauled; or, the panel <NUM> is opened, the accommodating cavity opens forwards when the box cover <NUM> is opened as the electric control box <NUM> and the panel <NUM> face each other, thus the electric control board <NUM> is exposed, the operator can directly overhaul the electric control board <NUM>, and just close the box cover <NUM> and the panel <NUM> after completion of the overhaul, resulting in a reduced steps and an improved overhaul efficiency.

In some optional embodiments, the box cover <NUM> is turnably or detachably connected to the box body <NUM>. In the form in which the box cover <NUM> is arranged to be turnably connected to the box body <NUM>, the box body <NUM> can be opened just by turning the box cover <NUM>, and the box body <NUM> can be closed just by turning the box cover <NUM> again after the completion of the overhaul, resulting in a simple operation and a convenient overhaul. In the form in which the box cover <NUM> is arranged to be detachably connected to the box body <NUM>, the box cover <NUM> is removed from the box body <NUM>, and the box cover <NUM> is mounted to the box body <NUM> after completion of overhaul to close the accommodating cavity. The box cover <NUM> and the box body <NUM> can be connected by snap-fit, screwing connection, etc..

In some embodiments, as illustrated in <FIG>, the box body <NUM> includes a first inner housing <NUM> and a first sheet metal part <NUM>. The first sheet metal part <NUM> wraps an outer side of the first inner housing <NUM>, and the first sheet metal part <NUM> is fixedly or detachably connected to the first inner housing <NUM>. It could be understood that, the electric control box <NUM> is arranged near an indoor heat exchanger <NUM>, the electric control box <NUM> may internally produce condensation water when the indoor heat exchanger <NUM> refrigerates. In the present invention, the box body <NUM> is comprised of the first inner housing <NUM> and the first sheet metal part <NUM>, the first inner housing <NUM> and the first sheet metal part <NUM> has a gap therebetween, as illustrated in <FIG>, so as to add an air layer to prevent the electric control box <NUM> from producing condensation water internally. The air layer may be a cavity, and may also be provided with a thermally insulative medium. Thus, the probability of producing the condensation water inside the electric control box <NUM> can be reduced, and safety performance of the electric control box <NUM> can be improved.

In some embodiments, as illustrated in <FIG>, the box cover <NUM> includes a second inner housing <NUM> and a second sheet metal part <NUM>. The second sheet metal part <NUM> wraps an outer side of the second inner housing <NUM>, and the second sheet metal part <NUM> is fixedly or detachably connected to the second inner housing <NUM>. It could be understood that, the electric control box <NUM> is arranged near the indoor heat exchanger <NUM>, the electric control box <NUM> may internally produce condensation water when the indoor heat exchanger <NUM> refrigerates. In the present invention, the box cover <NUM> is comprised of the second inner housing <NUM> and the second sheet metal part <NUM>, the second inner housing <NUM> and the second sheet metal part <NUM> has a gap therebetween, so as to add an air layer to prevent the electric control box <NUM> from producing condensation water internally. The air layer may be a cavity, and may also be provided with a thermally insulative medium Thus, the probability of producing the condensation water inside the electric control box <NUM> can be reduced, and safety performance of the electric control box <NUM> can be improved.

In some embodiments, the face frame <NUM> is detachably connected to the base plate <NUM>. Thus, when the overhaul of the base plate <NUM> is required, the base plate <NUM> is removed from the face frame <NUM>, and the operator can operate the base plate <NUM> on the ground, facilitating the overhaul. For instance, the face frame <NUM> is provided with an overhaul opening opened forwards, the base plate <NUM> can extend into and withdraw from the overhaul opening, and the face frame <NUM> and the base plate <NUM> are connected by snap-fit.

In some optional embodiments, as illustrated in <FIG>, <FIG> and <FIG>, the panel <NUM> is rotatably or turnably connected to the face frame <NUM>. In the form in which the panel <NUM> is arranged to be turnably connected to the face frame <NUM>, the face frame <NUM> can be opened just by turning the panel <NUM>, and the face frame <NUM> can be closed just by turning the panel <NUM> again after the completion of the overhaul, resulting in a simple operation and a convenient overhaul. In the form in which the face frame <NUM> is arranged to be detachably connected to the panel <NUM>, the panel <NUM> is removed from the face frame <NUM>, and the panel <NUM> is mounted to the face frame <NUM> after completion of overhaul to close the face frame <NUM>. The panel <NUM> and the face frame <NUM> can be connected by snap-fit, screwing connection, etc..

In some embodiments, as illustrated in <FIG>, <FIG> and <FIG>, the face frame <NUM> has an overlapping groove <NUM> recessed rearwards, the electric control box <NUM> includes a wire passage part <NUM> internally having a wire passage groove <NUM>, the wire passage groove <NUM> is communicated with an internal space of the electric control box <NUM>, and the wire passage part <NUM> is embedded in the overlapping groove <NUM>. The wire passage part <NUM> is embedded in the overlapping groove <NUM>, thereby providing support for the electric control box <NUM>. For instance, as illustrated in <FIG>, a left side of the electric control box <NUM> is provided with the wire passage part <NUM>, and the wire passage part <NUM> extends leftwards and into the overlapping groove <NUM>. Thus, the electric control box <NUM> can be supported on an outer surface of the face frame <NUM>, and the electric control box <NUM> can be further conveniently overhauled.

The wire passage groove <NUM> is used for wiring, in some specific embodiments, the wire passage part <NUM> is internally provided with a harness fixing structure, and the harness fixing structure is used to fix the harness. Further, as illustrated in <FIG> and <FIG>, the harness fixing structure is a plurality of ribs <NUM> spaced apart in the left-and-right direction. Thus, the plurality of ribs <NUM> not only can fix the harness, but also has a sealing effect, thereby preventing the condensation water from entering the accommodating cavity through the wire passage part <NUM>.

In some embodiments, as illustrated in <FIG>, <FIG> and <FIG>, the panel <NUM> is hinged with the face frame <NUM>. In other words, the panel <NUM> is rotatably connected to the face frame <NUM>, and the panel <NUM> is rotatable to open and close the face frame <NUM>. Thus, when the overhaul is required, the panel <NUM> can be rotated and the electric control box <NUM> can be directly overhauled, and the panel <NUM> can be rotated and restored after completion of the overhaul, thereby resulting in a simple operation and facilitating improvement of the overhaul efficiency.

In some embodiments, the electric control box <NUM> is detachably connected to the face frame <NUM>; the face frame <NUM> is detachably connected to the base plate <NUM>; the panel <NUM> is detachably connected to the face frame <NUM> or the panel <NUM> is turnable to open the face frame <NUM>; the indoor heat exchanger <NUM> is detachably connected to the base plate <NUM>; the electric control box <NUM> includes the box cover <NUM> and the box body <NUM>; the box cover <NUM> is detachably connected to the box body <NUM>; the box cover <NUM> includes the first inner housing <NUM> and the first sheet metal part <NUM>, and the first inner housing <NUM> is detachably connected to the first sheet metal part <NUM>; the box body <NUM> includes the second inner housing <NUM> and the second sheet metal part <NUM>, and the second inner housing <NUM> is detachably connected to the second sheet metal part <NUM>.

In one specific embodiment, as illustrated in <FIG>, <FIG> and <FIG>, the electric control box <NUM> is located above the indoor heat exchanger <NUM>, the face frame <NUM>, the indoor heat exchanger <NUM> and the panel <NUM> define one accommodating space thereamong, and the electric control box <NUM> is located in the accommodating space. The electric control box <NUM> is mounted to the face frame <NUM>, and the electric control box <NUM> is detachably connected to the face frame <NUM>.

As illustrated in <FIG> and <FIG>, an air-inlet grille <NUM> is connected to the face frame <NUM> and is integrally formed with the face frame <NUM>, and the face frame <NUM> is provided with at least one inserting hole <NUM>. The box body <NUM> is integrally formed, the upper end of the box body <NUM> is provided with at least one hook <NUM>, and the hook <NUM> is provided with a guide bevel to cause the hook <NUM> to easily enter the inserting hole <NUM>. The inserting hole <NUM> corresponds to the hook <NUM>, so as to fix the electric control box <NUM> to the face frame <NUM>. The face frame <NUM> includes a top plate, a right side of the top plate is provided with a support part, and the support part and the top plate are integrally formed. As illustrated in <FIG>, the face frame <NUM> is provided with a support beam <NUM> at a left side of the electric control box <NUM>, and the support beam and the top plate are integrally formed. Both the support part and the support beam <NUM> have pre-positioning effect, and can guide and mount the electric control box <NUM>. As illustrated in <FIG>, the corresponding structure of the electric control box <NUM> is the second overlapping part <NUM> and the wire passage part <NUM>. The second overlapping part <NUM> and the wire passage part <NUM> are both connected to the box body <NUM>, and both integrally formed with the box body <NUM>. As illustrated in <FIG>, the box cover <NUM> and the box body <NUM> are detachably connected, and each have a structural form of sheet metals snapped to each other in the up-and-down direction. As illustrated in <FIG> and <FIG>, the box cover <NUM> is provided with a screw hole <NUM>, the box body <NUM> is provided with a screw column <NUM> corresponding to the screw hole <NUM>, and a screw can be connected to the box cover <NUM>, the box body <NUM> separately to seal the box body <NUM> and the box cover <NUM>.

The electric control box <NUM> according to embodiments of the present invention will be described below with reference to the drawings.

An electric control box of the related art, such as an electric control box for the air conditioner, is disposed in a dry environment and does not have a waterproof performance. However, when the electric control box is in a humid environment, moisture easily enters an interior of the electric control box, affects normal use of components and parts inside the electric control box, and easily causes damage of the components and parts, thereby affecting operational reliability and stability of the electric control box and affecting service life of the electric control box.

As illustrated in <FIG>, the electric control box <NUM> according to embodiments of the present invention includes the first inner housing <NUM> and the second inner housing <NUM>.

The inner housing <NUM> has an opening <NUM>, and the first inner housing <NUM> has a first connecting face <NUM>. The second inner housing <NUM> and the first inner housing <NUM> are detachably connected to open and close the opening <NUM>, and the second inner housing <NUM> has a second connecting face <NUM> fitted with the first connecting face <NUM>. One of the first inner housing <NUM> and the second inner housing <NUM> has a water stop part <NUM> extending into the other thereof, and the water stop part <NUM> is located inside fitting place between the first connecting face <NUM> and the second connecting face <NUM>.

In the electric control box <NUM> according to embodiments of the present invention, the first inner housing <NUM> has the first connecting face <NUM>, and the second inner housing <NUM> has the second connecting face <NUM> fitted with the first connecting face <NUM>. In this way, a contact fit between the first inner housing <NUM> and the second inner housing <NUM> can be realized by using the first connecting face <NUM> and the second connecting face <NUM>, a large gap between the first inner housing <NUM> and the second inner housing <NUM> can be avoided, the probability that the moisture enters its interior through the gap between the first inner housing <NUM> and the second inner housing <NUM> can be reduced, sealing performance of the junction between the first inner housing <NUM> and the second inner housing <NUM> can be improved, and the waterproof performance of the electric control box <NUM> can be improved.

Furthermore, one of the first inner housing <NUM> and the second inner housing <NUM> has the water stop part <NUM> extending into the other thereof, and the water stop part <NUM> is located inside the fitting place between the first connecting face <NUM> and the second connecting face <NUM>. In this way, the water stop part <NUM> can be used to obstruct the moisture, the probability that the moisture enters the interior of electric control box <NUM> can be reduced, the water stop part <NUM> can also be used to obstruct the moisture even if the moisture enters through the fitting place between the first connecting face <NUM> and the second connecting face <NUM>, the moisture can be prevented from entering interiors of the first inner housing <NUM> and the second inner housing <NUM> through the opening <NUM>, the waterproof performance of the electric control box <NUM> can be improved, the moisture can be prevented from entering which otherwise affects normal operation of the electric control box <NUM> and even causes damage of the electric control box <NUM>, thereby facilitating improvement of the operational reliability and stability of the electric control box <NUM>, the service life of the electric control box <NUM>, and the functionality and applicability of the electric control box <NUM>.

Therefore, the electric control box <NUM> according to embodiments of the present invention has the advantages of a good waterproof effect, high reliability, etc..

The electric control box <NUM> according to specific embodiments of the present invention will be described below with reference to the drawings.

In some specific embodiments of the present invention, as illustrated in <FIG>, the electric control box <NUM> according to embodiments of the present invention includes the first inner housing <NUM> and the second inner housing <NUM>.

Specifically, as illustrated in <FIG> and <FIG>, the first inner housing <NUM> has the water stop part <NUM> extending into the second inner housing <NUM>, the second inner housing <NUM> has a flange part <NUM> extending towards the first inner housing <NUM>, the water stop part <NUM> is disposed inside the flange part <NUM>, and the water stop part <NUM> and the flange part <NUM> are arranged oppositely. In this way, not only assembling and forming of the first inner housing <NUM> and the second inner housing <NUM> is facilitated, but also the flange part <NUM> and the water stop part <NUM> together can be conveniently used to obstruct the moisture, thereby preventing the moisture from entering interiors of the first inner housing <NUM> and the second inner housing <NUM> and further improving the waterproof performance of the electric control box <NUM>.

More specifically, an end face of the flange part <NUM> forms the second connecting face <NUM>. In this way, the formation of the second connecting face <NUM> is facilitated, and the fitting and mounting of the first inner housing <NUM> and the second inner housing <NUM> is facilitated.

Optionally, the water stop part <NUM> is disposed adjacent to the opening <NUM>, and the first connecting face <NUM> is disposed at an outer side of the water stop part <NUM> and lower than an end face of the water stop part <NUM>. In this way, the water stop part <NUM> is used to block out the moisture, thereby protecting the opening <NUM>, preventing the moisture from entering interiors of the first inner housing <NUM> and the second inner housing <NUM> through the opening <NUM>, and improving the waterproof performance of the electric control box <NUM>.

Specifically, the flange part <NUM> and the water stop part <NUM> are spaced apart. In this way, the flange part <NUM> is prevented from interfering with the water stop part <NUM>, and the smooth mounting of the first inner housing <NUM> and the second inner housing <NUM> is facilitated.

Optionally, in an extending direction of the flange part <NUM>, a length of an overlapping portion between the flange part <NUM> and the water stop part <NUM> is greater than or equal to <NUM> millimeter. In this way, the overlapping portion between the flange part <NUM> and the water stop part <NUM> is enabled to have an enough length, the flange part <NUM> and the water stop part <NUM> can be conveniently used to obstruct the moisture, and the waterproof performance of the electric control box <NUM> can be improved.

In some embodiments of the present invention, the water stop part <NUM> is oriented in an extending direction of an edge of the opening <NUM>. In this way, the opening <NUM> is conveniently and better protected by the water stop part <NUM>, and the moisture is prevented from entering an interior of the opening <NUM>.

In some specific embodiments of the present invention, the opening <NUM> is defined in a front surface of the first inner housing <NUM>, the second inner housing <NUM> is located in front of the first inner housing <NUM> and covers an outer side of the first inner housing <NUM>, and the water stop part <NUM> is oriented in a horizontal direction.

As illustrated in <FIG>, the electric control box <NUM> further includes the first sheet metal part <NUM> and, optionally, the second sheet metal part <NUM>, the first sheet metal part <NUM> covers the outer side of the first inner housing <NUM> and is connected to the first inner housing <NUM>. The second sheet metal part <NUM> covers the outer side of the second inner housing <NUM> and is connected to the second inner housing <NUM>. The second sheet metal part <NUM> has the blocking part <NUM> extending towards the first sheet metal part <NUM>, and the blocking part <NUM> extends beyond the fitting place between the first connecting face <NUM> and the second connecting face <NUM>. In this way, not only the first sheet metal part <NUM> can be used to protect the first inner housing <NUM>, the second sheet metal part <NUM> can be used to protect the second inner housing <NUM>, but also the blocking part <NUM> can be used to shield the fitting place between the first connecting face <NUM> and the second connecting face <NUM>, thereby preventing the moisture from entering the interior of the electric control box <NUM>, further facilitating improvement of the waterproof performance of the electric control box <NUM>, and improvement of the operational reliability and stability of the electric control box <NUM>.

Further, the first inner housing <NUM> is fitted with the first sheet metal part <NUM> by snap-fit; and/or, the second inner housing <NUM> is fitted with the second sheet metal part <NUM> by snap-fit. In this way, mounting and dismounting of the first sheet metal part <NUM> and the first inner housing <NUM> as well as the second sheet metal part <NUM> and the second inner housing <NUM> is facilitated, connection strength and reliability between the first sheet metal part <NUM> and the first inner housing <NUM> is improved, and connection strength and reliability between the second sheet metal part <NUM> and the second inner housing <NUM> is improved.

Specifically, as illustrated in <FIG>, one of the first inner housing <NUM> and the first sheet metal part <NUM> has a first snap <NUM>, and the other thereof has a first snap hole <NUM> fitted with the first snap <NUM>; and/or, one of the second inner housing <NUM> and the second sheet metal part <NUM> has a second snap <NUM>, and the other thereof has a second snap hole <NUM> fitted with the second snap <NUM>. In this way, the first snap <NUM> and the first snap hole <NUM> can be used to realize the snap-fit connection between the first sheet metal part <NUM> and the first inner housing <NUM>, the second snap <NUM> and the second snap hole <NUM> can be used to realize the snap-fit connection between the second sheet metal part <NUM> and the second inner housing <NUM>, the connection stability and reliability between the first inner housing <NUM> and the first sheet metal part <NUM> is improved, and the connection stability and reliability between the second inner housing <NUM> and the second sheet metal part <NUM> is improved.

More specifically, a plurality of first snaps <NUM> are provided and arranged in a circumferential direction of the electric control box <NUM>, a plurality of second snap holes <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, and the first snaps <NUM> have a one-to-one correspondence with the first snap holes <NUM>. A plurality of second snaps <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, a plurality of second snap holes <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, and the second snaps <NUM> have a one-to-one correspondence with the second snap holes <NUM>. A size of the first snap <NUM> is greater than or equal to a size of the second snap <NUM>, and an area of the first snap hole <NUM> is greater than or equal to an area of the second snap hole <NUM>. In this way, the connection strength between the first sheet metal part <NUM> and the first inner housing <NUM> is conveniently improved to enable more uniform stress between the first sheet metal part <NUM> and the first inner housing <NUM>, and the connection strength between the second sheet metal part <NUM> and the second inner housing <NUM> is conveniently improved to enable more uniform stress between the second sheet metal part <NUM> and the second inner housing <NUM>.

Optionally, as illustrated in <FIG>, one of the first inner housing <NUM> and the first sheet metal part <NUM> has an first inserting groove <NUM>, and the other thereof has a first inserting part <NUM> fitted with the first inserting groove <NUM> to cause the first sheet metal part <NUM> to be in tight contact with the first inner housing <NUM>; and/or, one of the second inner housing <NUM> and the second sheet metal part <NUM> has a second inserting groove, and the other thereof has a second inserting part fitted with the second inserting groove to cause the second sheet metal part <NUM> to be in tight contact with the second inner housing <NUM>. In this way, the tight contact and fitting between the first inner housing <NUM> and the first sheet metal part <NUM> can be conveniently achieved, the tight contact and fitting between the second inner housing <NUM> and the second sheet metal part <NUM> can be conveniently achieved, and assembling effect between the first inner housing <NUM> and the first sheet metal part <NUM> as well as between the second inner housing <NUM> and the second sheet metal part <NUM> is improved.

Specifically, the first sheet metal part <NUM> and the second sheet metal part <NUM> are made of metal materials. In this way, structural strength and connection reliability of the first sheet metal part <NUM> and the second sheet metal part <NUM> can be improved, and the first inner housing <NUM> and the second inner housing <NUM> can be conveniently protected.

More specifically, both the first sheet metal part <NUM> and the second sheet metal part <NUM> are sheet metal parts. In in this way, not only production and machining of the first sheet metal part <NUM> and the second sheet metal part <NUM> is facilitated, and production efficiency of the first sheet metal part <NUM> and the second sheet metal part <NUM> is improved, but also enhancement of the structural strength of the first sheet metal part <NUM> and the second sheet metal part <NUM> is facilitated.

Further, an edge of the sheet metal part may undergo an edge folding process, an edge pressing process, etc. to prevent the sheet metal part from lacerating a finger of a user which otherwise damages the user, during the user's operation.

Optionally, the first inner housing <NUM> and the second inner housing <NUM> are fireproof plastic members. Thicknesses of the first inner housing <NUM> and the second inner housing <NUM> are greater than or equal to <NUM> millimeters. The first sheet metal part <NUM> and the second sheet metal part <NUM> are sheet metal parts, and thicknesses of the first sheet metal part <NUM> and the second sheet metal part <NUM> are greater than or equal to <NUM> millimeter.

In some embodiments of the present invention, the first sheet metal part <NUM> and the second sheet metal part <NUM> are connected by snap-fit. In this way, not only dismounting and mounting of the electric control box <NUM> is facilitated to improve assembling efficiency of the electric control box <NUM>, but also enhancement of the connection strength and connection reliability between the first sheet metal part <NUM> and the second sheet metal part <NUM> is facilitated, and the first sheet metal part <NUM> and the second sheet metal part <NUM> are conveniently used to wrap a body part <NUM>. Compared to the form of employing a plastic housing in the related art, the first sheet metal part <NUM> and the second sheet metal part <NUM> can effectively obstruct the fire when the interior of the electric control box <NUM> is on fire, the fire is isolated within the interior of the electric control box <NUM>, to prevent the fire from coming out of the interior of the electric control box <NUM> after the plastic housing is burned out which may ignite other components. For example, when the electric control box <NUM> is disposed in the air conditioner <NUM>, after the interior of the electric control box <NUM> is on fire, the fire can be prevented from coming out of the interior of the electric control box <NUM> which may ignite other components, ability of the electric control box <NUM> to isolate the fire is conveniently improved, and the fire behavior can be controlled after the electric control box <NUM> is on fire, thereby improving use safety and reliability of the electric control box <NUM>.

In some embodiments of the present invention, the second sheet metal part <NUM> is provided with a first snapping part, the first sheet metal part <NUM> is provided with a second snapping part, and the first snapping part is adapted to fit with the second snapping part in a snap-fit manner. In this way, the first snapping part and the second snapping part can be used to realize snap fit between the second sheet metal part <NUM> and the first sheet metal part <NUM>, which not only facilitates dismounting and mounting operations of the second sheet metal part <NUM> and the first sheet metal part <NUM>, but also facilitates improvement of the connection strength between the second sheet metal part <NUM> and the first sheet metal part <NUM>.

Specifically, as illustrated in <FIG>, the first snapping part includes a first snapping protrusion <NUM>, the second snapping part includes a second snapping protrusion <NUM>, and the first snapping protrusion <NUM> extends beyond the second snapping protrusion <NUM> to be staggered with the second snapping protrusion <NUM>, thereby realizing interlock. In this way, the first snapping protrusion <NUM> and the first snapping protrusion <NUM> can be used to realize the reliable connection between the second sheet metal part <NUM> and the first sheet metal part <NUM>, improve the connection strength and reliability between the second sheet metal part <NUM> and the first sheet metal part <NUM>, and improve the structural stability of an outer casing <NUM>.

Optionally, as illustrated in <FIG>, the second sheet metal part <NUM> has a first flange <NUM> extending towards the first sheet metal part <NUM>, the first sheet metal part <NUM> has a second flange <NUM> extending towards the second sheet metal part <NUM>, and the first flange <NUM> and the second flange <NUM> are oppositely arranged. The first snapping part is formed at the first flange <NUM> and extends in a length direction of the first flange <NUM>, and the second snapping part is formed at the second flange <NUM> and extends in a length direction of the second flange <NUM>. In this way, the production and machining of the first snapping part and the second snapping part are facilitated, and smooth snap fit between the first snapping part and the second snapping part is facilitated.

Further, the first snapping part is located at an outer edge of the first flange <NUM>, and the second snapping part is located at an outer edge of the second flange <NUM>. In this way, the smooth fitting between the first snapping part and the second snapping part is further facilitated, and the assembling efficiency of the electric control box <NUM> is improved.

Optionally, the first snapping part is formed by folding the outer edge of the first flange <NUM>, and the second snapping part is formed by folding the outer edge of the second flange <NUM>. In this way, structures of the first snapping part and the second snapping part can be simplified, the production and machining of the first snapping part and the second snapping part is facilitated, massive production of the outer casing <NUM> is facilitated, production cost of the outer casing <NUM> is reduced, and the production efficiency of the outer casing <NUM> is improved.

It should be understood herein that, the whole outer edge of the second sheet metal part <NUM> is provided with the first flange <NUM>, or at least a portion of the outer edge of the second sheet metal part <NUM> is provided with the first flange <NUM>. The whole outer edge of the first sheet metal part <NUM> is provided with the second flange <NUM>, or at least a portion of the outer edge of the first sheet metal part <NUM> is provided with the second flange <NUM>.

In some embodiments of the present invention, the second sheet metal part <NUM> is provided with a first inserting part, the first sheet metal part <NUM> is provided with a second inserting part, and the first inserting part is adapted to fit with the second inserting part in an insertion manner. In this way, the first inserting part and the second inserting part can be used to position and guide assembling of the second sheet metal part <NUM> and the first sheet metal part <NUM>, smooth assembling and formation of the second sheet metal part <NUM> and the first sheet metal part <NUM> can be facilitated, the assembling efficiency of the outer casing <NUM> is improved, and assembling time of the outer casing <NUM> is shortened.

According to some embodiments of the present invention, as illustrated in <FIG> and <FIG>, the first inserting part has an inserting projection <NUM> protruding outwards, the second inserting part has an inserting groove <NUM>, and a groove opening of the inserting groove <NUM> faces the inserting projection <NUM> to enable the inserting projection <NUM> to be inserted into the inserting groove <NUM>. In this way, insertion fit between the inserting projection <NUM> and the inserting groove <NUM> is facilitated, and the assembling efficiency of the second sheet metal part <NUM> and the first sheet metal part <NUM> is further facilitated.

Optionally, the inserting projection <NUM> and the second sheet metal part <NUM> are integrally formed.

More specifically, the inserting projection <NUM> has a first guide face <NUM> adapted to be inserted into the inserting groove <NUM>, and the inserting groove <NUM> has a second guide face <NUM> fitted with the first guide face <NUM>. In this way, the first guide face <NUM> and the second guide face <NUM> can be used to position and guide insertion and mounting of the inserting projection <NUM>, smooth insertion of the inserting projection <NUM> into the inserting groove <NUM> is facilitated, mounting of the second sheet metal part <NUM> and the first sheet metal part <NUM> can be more smooth, and the assembling and formation of the outer casing <NUM> is further facilitated.

Optionally, as illustrated in <FIG>, an outer side wall of the first sheet metal part <NUM> is provided with a fixing sheet <NUM> protruding outwards, and the fixing sheet <NUM> defines the inserting groove <NUM>. Further, the inserting groove <NUM> is formed by bending the fixing sheet <NUM>. In this way, the machining and shaping of the inserting groove <NUM> is facilitated, the structural strength and reliability of the inserting groove <NUM> is facilitated, and improvement of the machining efficiency of the first sheet metal part <NUM> is facilitated at the same time.

Further, the fixing sheet <NUM> and the outer side wall of the first sheet metal part <NUM> are integrally formed.

Specifically, a junction between the inserting groove <NUM> and the outer side wall of the first sheet metal part <NUM> is provided with a reinforcing rib, and the reinforcing rib matches a shape of the inserting groove <NUM>. Further, a plurality of reinforcing ribs are provided and spaced apart in a length direction of the inserting groove <NUM>. In this way, the structural strength and rigidity of the inserting groove <NUM> can be enhanced, production of a stress weak point of the inserting groove <NUM> is avoided, deformation and damage of the inserting groove <NUM> is prevented, and the fitting reliability between the inserting groove <NUM> and the inserting projection <NUM> is improved.

According to some other embodiments of the present invention, the first inserting part has the inserting projection <NUM> protruding outwards, the second inserting part has the inserting hole, and the inserting hole faces the inserting projection <NUM> to enable the inserting projection <NUM> to be inserted into the inserting hole. The outer side wall of the first sheet metal part <NUM> is provided with a connecting sheet protruding outwards, and the connecting sheet defines the inserting hole. In this way, insertion fit between the inserting projection <NUM> and the inserting hole is facilitated, and the assembling efficiency of the second sheet metal part <NUM> and the first sheet metal part <NUM> is further facilitated.

Optionally, as illustrated in <FIG>, an edge of the second sheet metal part <NUM> is provided with a handle <NUM>. Further, the handle <NUM> is disposed to the first flange <NUM> and is arranged opposite the inserting projection <NUM>. In this way, the user can pull the second sheet metal part <NUM> outwards through the handle <NUM>, thereby facilitating realization offset and disengagement between the first snapping protrusion <NUM> and the second snapping protrusion <NUM>, facilitating dismounting operation of the second sheet metal part <NUM> and the first sheet metal part <NUM>, and improving dismounting efficiency of the outer casing <NUM>.

Specifically, as illustrated in <FIG>, the outer casing <NUM> is provided with a passage opening <NUM>, and the body part <NUM> is communicated with the outside through the passage opening <NUM>. In this way, an internal structure of the body part <NUM> can be connected to the outside by using the passage opening <NUM>, and the electric control box <NUM> is conveniently connected to other structures.

Optionally, a surface of the first snap <NUM> is provided with a first-snap guide face adapted to be fitted with the first snap hole <NUM>, and a surface of the second snap is provided with a second-snap guide face adapted to be fitted with the second snap hole. In this way, the first-snap guide face can be used to position and guide the mounting of the first snap <NUM>, the second-snap guide face can be used to position and guide the mounting of the second snap <NUM>, thereby facilitating smooth snapping between the first snap <NUM> and the first snap hole <NUM> as well as between the second snap <NUM> and the second snap hole <NUM>.

In some embodiments of the present invention, the first inner housing <NUM> is provided with a support bump adapted to support the first inserting part, the support bump is located at an inner side of the first inserting part, and the support bump extends in a length direction of the first inserting part. In this way, the support bump can be used to support the first inserting part, the deformation of the first inserting part is avoided, and improvement of the structural strength of the first inserting part is facilitated.

Specifically, the support bump is adapted to support the inserting projection <NUM>, the support bump is located at an inner side of the inserting projection <NUM>, and the support bump extends in a length direction of the inserting projection <NUM>.

Optionally, two ends of the first inserting part in the length direction is provided with a limiting plate respectively, and the first inserting part is fitted between the two limiting plates. In this way, the limiting plate can be used to limit the first inserting part, large size displacement of the first inserting part in the length direction is avoided, and the improvement of the arrangement reliability of the first inserting part is further facilitated.

Further, two limiting plates are disposed to two ends of the support bump in a length direction thereof respectively, and the support bump is located between the two limiting plates.

In some embodiments of the present invention, as illustrated in <FIG>, at least a portion of an outer surface of the body part <NUM> and an inner surface of the outer casing <NUM> are provided with an isolation gap <NUM> therebetween. At least one of the outer surface of the body part <NUM> and the inner surface of the outer casing <NUM> is provided with an isolation rib <NUM> configured to divide the isolation gap <NUM>. In this way, a thermal insulation layer can be formed at the isolation gap. For example, air and thermal insulation material can be filled in the isolation gap <NUM>. Thermal insulation performance of the electric control box <NUM> can be improved, formation of the condensation water inside the electric control box <NUM> in a case where the outside is cold and the inside is hot can be avoided, the operational reliability and stability of the electric control box <NUM> can be improved, and the service life of the electric control box <NUM> can be prolonged.

Furthermore, compared to a form in the related art that a thermal insulation material such as a sponge or the like is adhered to a surface of the electric control box assembly, the use of the thermal insulation material such as the sponge or the like can be reduced. Reduction of the production cost of the electric control box <NUM> is facilitated, and since the use of the sponge requires a certain thickness to realize thermal insulation effect, provision of the isolation gap <NUM> can avoid excessive occupied volume resulting from provision of the sponge thermal insulation layer, thereby facilitating control of an overall size of the electric control box <NUM>. Meanwhile, the sponge can be prevented from not having a heat preservation effect due to water absorption which cause failure of the thermal insulation function, and the improvement of the reliability and stability of the thermal insulation function of the electric control box <NUM> can be facilitated.

Additionally, at least one of the outer surface of the body part <NUM> and the inner surface of the outer casing <NUM> is provided with the isolation rib <NUM> configured to divide the isolation gap <NUM>. In this way, the isolation rib <NUM> can be used to divide the isolation gap <NUM>, and the isolation gap <NUM> can be conveniently subdivided. For example, more separate small zones are formed at the isolation gap <NUM>, the air in the plurality of small zones do not interfere with each other, formation of the stable air layer in the isolation gap <NUM> is facilitated, the probability that the air flows in the isolation gap <NUM> is reduced, the heat preservation and thermal insulation of the isolation gap <NUM> is more stable and reliable, and the heat preservation and thermal insulation effect of the isolation gap <NUM> is improved.

Specifically, the isolation rib <NUM> is disposed to one of the outer surface of the body part <NUM> and the inner surface of the outer casing <NUM>, and a distance between the isolation rib <NUM> and the other of the outer surface of the body part <NUM> and the inner surface of the outer casing <NUM> is less than or equal to <NUM> millimeter. In this way, the distance between the isolation rib <NUM> and the other of the outer surface of the body part <NUM> and the inner surface of the outer casing <NUM> can be controlled within a certain range, the probability that the air flows in the isolation gap <NUM> is reduced, and the stability of the air layer can be prevented from being affected by an excessive distance.

More specifically, the isolation rib <NUM> is disposed to the outer surface of the body part <NUM>, and a distance between the isolation rib <NUM> and the inner surface of the outer casing <NUM> is less than or equal to <NUM> millimeter.

Optionally, a plurality of isolation ribs <NUM> are provided, and the plurality of isolation ribs <NUM> divide the isolation gap <NUM> into a plurality of sub-zones <NUM>. In this way, a plurality of stable air zones can be formed at the isolation gap <NUM>, the air in the isolation gap <NUM> is prevented from flowing, and the heat insulation performance of the isolation gap <NUM> is improved.

In some embodiments of the present invention, the isolation rib <NUM> includes a plurality of first isolation ribs spaced apart in a width direction of the body part <NUM>, and each first isolation rib extends in the length direction of the body part <NUM>. In this way, the plurality of first isolation ribs can be used to divide the isolation gap <NUM> into the plurality of sub-zones <NUM> in the width direction of the body part <NUM>, and the air in the isolation gap <NUM> can be prevented from flowing in the width direction of the body part <NUM>.

Specifically, the isolation rib <NUM> includes a plurality of second isolation ribs spaced apart in the length direction of the body part <NUM>, and each second isolation rib extends in the width direction of the body part <NUM>. In this way, the plurality of second isolation ribs <NUM> can be used to divide the isolation gap <NUM> into the plurality of sub-zones <NUM> in the length direction of the body part <NUM>, and the air in the isolation gap <NUM> can be prevented from flowing in the length direction of the body part <NUM>.

More specifically, the plurality of first isolation ribs and the plurality of second isolation ribs are arranged in a cross manner. In this way, the isolation gap <NUM> is conveniently divided into the plurality of separate sub-zones <NUM>, the stability of the air in the isolation gap <NUM> is improved, and the heat preservation and thermal insulation effect of the isolation gap <NUM> is improved.

Optionally, a distance between the outer surface of the body part <NUM> and the inner surface of the outer casing <NUM> at the isolation gap <NUM> is greater than or equal to <NUM> millimeter. In this way, the isolation gap <NUM> can has a sufficient thickness, and the isolation gap <NUM> is ensured to have a sufficient thermal insulation effect.

Specifically, the isolation gap <NUM> is internally filled with the air or the thermal insulation material. In this way, the heat preservation and thermal insulation performance of the isolation gap <NUM> can be improved, and isolation of heat transfer process between the inner side and the outer side of the electric control box can be facilitated.

In some embodiments of the present invention, an outer surface of the first inner housing <NUM> and an inner surface of a metal box <NUM> define at least a portion of the isolation gap <NUM>. In this way, the formation of the isolation gap <NUM> is facilitated, improvement of the thermal insulation performance of the electric control box <NUM> is further facilitated, and the operational reliability and stability of the electric control box <NUM> is improved.

In one specific embodiment of the present invention, the electric control box <NUM> includes the first inner housing <NUM> and the second inner housing <NUM>. The inner housing <NUM> has the opening <NUM>, and the first inner housing <NUM> has the first connecting face <NUM>. The second inner housing <NUM> and the first inner housing <NUM> are detachably connected to open and close the opening <NUM>, the second inner housing <NUM> has the second connecting face <NUM> fitted with the first connecting face <NUM>. The first inner housing <NUM> has the water stop part <NUM> extending into the second inner housing <NUM>, the second inner housing <NUM> has the flange part <NUM> extending towards the first inner housing <NUM>, the water stop part <NUM> is disposed inside the flange part <NUM>, and the water stop part <NUM> and the flange part <NUM> are arranged oppositely.

The end face of the flange part <NUM> forms the second connecting face <NUM>. The water stop part <NUM> is disposed adjacent to the opening <NUM>, and the first connecting face <NUM> is disposed at an outer side of the water stop part <NUM> and lower than an end face of the water stop part <NUM>. The flange part <NUM> and the water stop part <NUM> are spaced apart. In the extending direction of the flange part <NUM>, the length of overlapping portion between the flange part <NUM> and the water stop part <NUM> is greater than or equal to <NUM> millimeter. The water stop part <NUM> is oriented in the extending direction of the edge of the opening <NUM>.

The electric control box <NUM> further includes the first sheet metal part <NUM> and the second sheet metal part <NUM>, the first sheet metal part <NUM> covers the outer side of the first inner housing <NUM> and is connected to the first inner housing <NUM>. The second sheet metal part <NUM> covers the outer side of the second inner housing <NUM> and is connected to the second inner housing <NUM>. The second sheet metal part <NUM> has the blocking part <NUM> extending towards the first sheet metal part <NUM>, and the blocking part <NUM> extends beyond the fitting place between the first connecting face <NUM> and the second connecting face <NUM>.

The first inner housing <NUM> is fitted with the first sheet metal part <NUM> by snap-fit, and the second inner housing <NUM> is fitted with the second sheet metal part <NUM> by snap-fit. The first inner housing <NUM> has the first snap <NUM>, and the first sheet metal part <NUM> has the first snap hole <NUM> fitted with the first snap <NUM>. The second inner housing <NUM> has the second snap <NUM>, and the second sheet metal part <NUM> has the second snap hole <NUM> fitted with the second snap <NUM>. The plurality of first snaps <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, the plurality of second snap holes <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, and the first snaps <NUM> have the one-to-one correspondence with the first snap holes <NUM>. A plurality of second snaps <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, a plurality of second snap holes <NUM> are provided and arranged in the circumferential direction of the electric control box <NUM>, and the second snaps <NUM> have a one-to-one correspondence with the second snap holes <NUM>. The size of the first snap <NUM> is greater than or equal to the size of the second snap <NUM>, and the area of the first snap hole <NUM> is greater than or equal to the area of the second snap hole <NUM>.

The first inner housing <NUM> has the first inserting groove <NUM>, and the first sheet metal part <NUM> has the first inserting part <NUM> fitted with the first inserting groove <NUM> to cause the first sheet metal part <NUM> to be in tight contact with the first inner housing <NUM>. The second inner housing <NUM> has the second inserting groove, and the second sheet metal part <NUM> has the second inserting part fitted with the second inserting groove to cause the second sheet metal part <NUM> to be in tight contact with the second inner housing <NUM>.

The first sheet metal part <NUM> and the second sheet metal part <NUM> are made of metal materials and are sheet metal parts. The edge of the sheet metal part may undergo the edge folding process, the edge pressing process, etc. The first inner housing <NUM> and the second inner housing <NUM> are fireproof plastic members. Thicknesses of the first inner housing <NUM> and the second inner housing <NUM> are greater than or equal to <NUM> millimeters. The first sheet metal part <NUM> and the second sheet metal part <NUM> are sheet metal parts, and thicknesses of the first sheet metal part <NUM> and the second sheet metal part <NUM> are greater than or equal to <NUM> millimeter.

In the following, the air conditioner <NUM> according to embodiments of the present invention will be described. The air conditioner <NUM> according to embodiments of the present invention includes a housing <NUM>, an indoor heat exchanger <NUM> and an indoor fan. The housing <NUM> is internally provided with a mounting cavity, the indoor heat exchanger <NUM> is disposed in the mounting cavity, and the indoor fan is disposed in the mounting cavity. The electric control box <NUM> according to the above-described embodiments of the present invention is disposed in the mounting cavity and located at a shaft side of the indoor fan.

Specifically, the electric control box <NUM> is located at a side of the indoor heat exchanger <NUM>, and a side of the electric control box <NUM> near the indoor heat exchanger <NUM> matches a shape of the indoor heat exchanger <NUM>. In this way, not only the electric control box <NUM> can be prevented from interfering with the indoor heat exchanger <NUM>, but also internal space of the electric control box <NUM> can be increased to the greatest extent, thereby facilitating improvement of structure rationality and compactness of the air conditioner <NUM>, and improving utilization ratio of the internal space of the air conditioner <NUM>.

Optionally, the electric control box <NUM> is located at an upper side of the indoor heat exchanger <NUM>, the housing <NUM> includes the face frame and a seat, the face frame is detachably connected to the seat, the electric control box <NUM> is detachably disposed to the face frame, and the indoor heat exchanger <NUM> is detachably disposed to the seat. In this way, mounting and arrangement of the electric control box <NUM> and the indoor heat exchanger <NUM> is facilitated, and improvement of the assembling efficiency of the electric control box <NUM> and the indoor heat exchanger <NUM> is facilitated.

The air conditioner <NUM> according to embodiments of the present invention, by using the electric control box <NUM> according to the above-described embodiments of the present invention, has the advantages of a good waterproof effect, high reliability, etc..

Other constitutions and operations of the air conditioner <NUM> according to embodiments of the present invention are well known by those skilled in the art, which will not be described in detail herein.

In addition, terms such as "first" and "second" are used herein for purposes of description and are not intended to indicate or imply relative importance or significance. Thus, the feature defined with "first" and "second" may comprise one or more of this feature. In the description of the present invention, the term "a plurality of" means two or more than two, unless specified otherwise.

In the present invention, unless specified or limited otherwise, the terms "mounted," "connected," "coupled," "fixed" and the like are used broadly, and may be, for example, fixed connections, detachable connections, or integral connections; may also be mechanical or electrical connections; may also be direct connections or indirect connections via intervening structures; may also be inner communications of two elements. The above terms can be understood by those skilled in the art according to specific situations.

Claim 1:
An air conditioner (<NUM>), comprising:
a base plate (<NUM>);
a face frame (<NUM>) covers on the base plate (<NUM>);
an electric control box (<NUM>) mounted to the face frame (<NUM>) and located at a front portion of the face frame (<NUM>), at least a portion of the electric control box (<NUM>) being detachably connected to the face frame (<NUM>), wherein the electric control box (<NUM>) includes a box body (<NUM>) and a box cover (<NUM>), the box body (<NUM>) comprising a first inner housing (<NUM>); and
a panel (<NUM>) openably covering the front portion of the face frame (<NUM>), the electric control box (<NUM>) facing the panel (<NUM>) in a front-and-rear direction,
characterised in that the box body (<NUM>) further comprises a first sheet metal part (<NUM>), wherein the first sheet metal part (<NUM>) wraps around an outer side of the first inner housing (<NUM>) to form an air gap between the first inner housing (<NUM>) and the first sheet metal part (<NUM>).