Patent Publication Number: US-2021172625-A1

Title: Overhead type upper water adding humidifier

Description:
TECHNICAL FIELD 
     The present invention relates to the technical field of a humidifier, and in particular, to an overhead type upper water adding humidifier. 
     BACKGROUND 
     Humidifiers are household appliances that increase room humidity. At present, most of the existing humidifiers adopt upper and lower structures, that is, the upper layer is a water tank and the lower layer is an atomization mechanism. The atomization mechanism atomizes water in the water tank, but the upper and lower layer structure is complex and will waste more space, so that the product with the same volume has smaller water volume, that is, for the humidifiers with the same volume, the humidifier with the upper and lower layer structure has larger volume, and packaging and transportation costs are increased. Furthermore, the water level depth of products cannot be designed randomly, so that the atomization mechanism is not always in the optimal working state, it is necessary to consume more energy, and the maximum atomization efficiency cannot be achieved. 
     SUMMARY 
     For the defects in the prior art, the present invention discloses an overhead type upper water adding humidifier, including a water tank and an atomization mechanism, wherein the atomization mechanism includes an atomization cavity, a mounting frame, an atomization sheet and a water level adjusting assembly; the atomization cavity communicates with the water tank through a valve; the mounting frame is arranged in the atomization cavity; the atomization sheet is arranged on the mounting frame; and the water level adjusting assembly is arranged on an inner side wall of the atomization cavity, and the water level adjusting assembly opens or closes the valve according to a depth of the water level in the atomization cavity. 
     According to an implementation manner of the present invention, the water level adjusting assembly includes a lever floater and a pressing block; the lever floater is rotatably arranged on an inner side wall of the atomization cavity; and the pressing block is arranged on the lever floater. 
     According to an implementation manner of the present invention, the valve includes a movable rod and a sealing pad; the movable rod penetrates through the atomization cavity, one end of the movable rod being connecting to the pressing block; and the sealing pad sleeves the movable rod and is located in the water tank. 
     According to an implementation manner of the present invention, the valve further includes an elastic piece; and the elastic piece sleeves the movable rod and is located in the atomization cavity. 
     According to an implementation manner of the present invention, the atomization mechanism further includes a fan; and the fan is arranged on the mounting frame. 
     According to an implementation manner of the present invention, the atomization mechanism further includes an air channel; and the air channel is formed in the mounting frame and communicates with an air outlet of the fan. 
     According to an implementation manner of the present invention, the atomization mechanism further includes a sealing piece; and the sealing piece seals the bottom of the atomization sheet. 
     According to an implementation manner of the present invention, the overhead type upper water adding humidifier further includes a control mechanism; and the control mechanism is arranged on the mounting frame. 
     According to an implementation manner of the present invention, the control mechanism includes a control circuit board, a power interface and a switch knob; the control circuit board is arranged on the mounting frame; the power interface is arranged on the mounting frame and is electrically connected to the control circuit board; and the switch knob is arranged on an upper cover and is electrically connected to the control circuit board. 
     According to an implementation manner of the present invention, the upper cover is provided with an air inlet hole; and the air inlet hole faces towards the air inlet of the fan. 
     According to an implementation manner of the present invention, the upper cover is provided with an air inlet hole, the air inlet hole communicates with an inner cavity of the upper cover, and the air inlet hole is formed in a side part of the upper cover. 
     According to an implementation manner of the present invention, the overhead type upper water adding humidifier further includes a lamp assembly, wherein the lamp assembly is arranged on a mounting plate of the mounting frame, and a light-emitting end of the lamp assembly faces towards the atomization cavity. 
     According to an implementation manner of the present invention, the mounting plate is provided with a lamp holder and the lamp holder is provided with an opening; and the lamp assembly includes a lamp piece and a lamp sleeve, a light-emitting end of the lamp piece is arranged at the opening, and the lamp sleeve is arranged between the light-emitting end of the lamp piece and the opening. 
     According to an implementation manner of the present invention, the lamp piece is one of an ultraviolet lamp, a lighting lamp and a decorative lamp. 
     The present invention has the following beneficial effects: according to the overhead type upper water adding humidifier of the present invention, the atomization cavity is nested in the water tank, water in the atomization cavity and the water tank is relatively separated and independent, and the valve is controlled by the water level adjusting assembly to mutually communicate the atomization cavity and the water tank, so that when the humidifier works, a constant water level depth may be maintained above the atomization sheet, the atomization sheet is still in an optimal working state, the maximum atomization efficiency is achieved and waste of energy is avoided; moreover, the atomization cavity is nested in the water tank and space may be fully utilized, so that the water volume of products with the same volume is increased, and the packaging and transportation costs are effectively reduced. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
       The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an undue limitation on the present application. In the drawings: 
         FIG. 1  is a schematic structural diagram of an overhead type upper water adding humidifier according to an embodiment I of the present invention; 
         FIG. 2  is a section view of an overhead type upper water adding humidifier according to an embodiment I of the present invention; 
         FIG. 3  is a schematic decomposition diagram of an overhead type upper water adding humidifier according to an embodiment I of the present invention; 
         FIG. 4  is a schematic structural diagram of an overhead type upper water adding humidifier according to an embodiment II of the present invention; 
         FIG. 5  is a section view of an overhead type upper water adding humidifier according to an embodiment II of the present invention; 
         FIG. 6  is a structural decomposition diagram of a lamp assembly according to an embodiment II of the present invention; and 
         FIG. 7  is an enlarged drawing of an area A in  FIG. 5 . 
     
    
    
     DETAILED DESCRIPTION OF EMBODIMENTS 
     Many embodiments of the present invention will be disclosed in the following drawings. For the sake of clarity, many practical details will be explained in the following description. However, it should be understood that these practical details should not be used to limit the present invention. That is to say, in some embodiments of the present invention, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and assemblies will be shown in the drawings in a simple schematic way. 
     It should be noted that all the directional indications (such as upper, lower, left, right, front, back, etc.) in the embodiments of the present invention are merely used to explain a relative position relationship, motion situations and the like of the components in a specific gesture (as shown in the figures). If the specific gesture changes, the directivity indication also changes accordingly. 
     Moreover, the terms such as “first”, “second” and the like described in the present invention are used herein only for the purpose of description, not for specifically referring to order or sequence and not for limiting the present invention. The terms are only for distinguishing components or operation described in the same technical terms and are not intended to indicate or imply relative importance, or implicitly indicate the number of the indicated technical features. Therefore, features defined by “first” and “second” may explicitly or implicitly include at least one of the features. Furthermore, the technical solutions between the various embodiments may be combined with each other, but must be on the basis that the combination thereof can be implemented by a person of ordinary skill in the art. In case of a contradiction with the combination of the technical solutions or a failure to implement the combination, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention. 
     To further understand the content, features and effects of the present invention, the following embodiments are exampled and are described in detail with reference to the accompanying drawings. 
     Embodiment I 
     Referring to  FIG. 1 ,  FIG. 2  and  FIG. 3 ,  FIG. 1  is a structural schematic diagram of an overhead type upper water adding humidifier according to an embodiment of the present invention;  FIG. 2  is a section view of an overhead type upper water adding humidifier according to an embodiment of the present invention; and  FIG. 3  is a schematic decomposition diagram of an overhead type upper water adding humidifier according to an embodiment of the present invention. As shown in the figures, the overhead type upper water adding humidifier of the present application includes a water tank  1 , an atomization mechanism  2  and a control mechanism  3 . The atomization mechanism  2  communicates with the water tank  1 . The control mechanism  3  is arranged on the atomization mechanism  2 . 
     Further, the atomization mechanism  2  includes an atomization cavity  21 , a mounting frame  22 , an atomization sheet  23  and a water level adjusting assembly  24 . In the embodiment, the atomization cavity  21  is arranged in the water tank  1 , and the atomization cavity  21  communicates with the water tank  1  through the valve  25 . Specifically, the valve  25  includes a movable rod  251  and a sealing pad  252 . The movable rod  251  runs through the atomization cavity  21 , and one end of the movable rod  251  is connected to the water level adjusting assembly  24 . The sealing pad  252  sleeves the other end of the movable rod  251 , the sealing pad  252  is located in the water tank  1 , and the sealing pad  252  is a silica gel pad. The mounting frame  22  is arranged in the atomization cavity  21 , and a mounting plate  221  of the mounting frame  22  is clamped at the atomization cavity  21 . The atomization sheet  23  is arranged on a crane jib  222  of the mounting frame  22 . The water level adjusting assembly  24  is arranged on an inner side wall of the atomization cavity  21 , the water level adjusting assembly  24  includes a lever floater  241  and a pressing block  242  which are integrally formed, the lever floater  241  is arranged on the inner side wall of the atomization mechanism through a rotating rod, the pressing block  242  is arranged on the lever floater  241 , and the pressing block  242  is connected to one end of the movable rod  251 . 
     The overhead type upper water adding humidifier further includes a control mechanism  3 . The control mechanism  3  is arranged on the mounting frame  22 . The control mechanism  3  includes a control circuit board  31 , a power interface  32  and a switch knob  33 . The control circuit board  31  is arranged on the mounting frame  22 . The power interface  32  is arranged on the mounting frame  22 , and the power interface  32  is electrically connected to the control circuit board  31 . The switch knob  33  is arranged on the upper cover  11  of the water tank  1 , and the switch knob  33  is electrically connected to the control circuit board  31 . 
     In the embodiment, the control circuit  31  selects a separately excited digital driving circuit, and the separately excited digital driving circuit has the characteristic of low heating and high efficiency; moreover, the control mechanism  3  of the present application is all located above the water tank  1 , so that the situation that the control mechanism  3  is damaged by water leakage of the water tank  1  if the control mechanism  3  is arranged below the water tank  1  is avoided, and the service life is prolonged. 
     It should be noted that the switch knob  33  may function as a switch; meanwhile, rotating the switch knob  33  may adjust the generation speed of water mist, which is convenient for users to make adaptive adjustment according to the situation, thereby facilitating use. 
     In specific application, a proper amount of water is added into the water tank  1 , the atomization mechanism  2  is inserted into the water tank  1 , there is no water in the atomization cavity  21  at this time, the lever floater  241  rotates downwards around the rotating rod under the action of gravity, the lever floater  241  drives the pressing block  242  to press the movable rod  251 , the movable rod  251  drives the sealing pad  252  to move downwards, a water inlet on the side wall of the atomization cavity  21  is opened, water in the water tank  1  enters the atomization cavity  21  through the water inlet, the water level depth in the atomization cavity  21  gradually increases with continuous entry of water, the lever floater  241  rotates upwards around the rotating rod under the buoyancy action of the water, the lever floater  241  drives the pressing block  242  and the movable rod  251  to move upwards, the movable rod  251  drives the sealing pad  252  to seal the water inlet in the side wall of the atomization cavity  21  again to enable the water in the water tank  1  not to flow into the atomization cavity  21 , a power cord is inserted into the power interface  32 , the switch knob  33  is rotated to make the machine operate, the atomization sheet  23  makes water in the atomization cavity  21  generate water mist, and the water mist is discharged to the air through a mist outlet  2211  in the mounting plate  221 , thereby increasing the room humidity. 
     Preferably, the valve  25  further includes an elastic piece  253 . The elastic piece  253  sleeves the movable rod  251 , the elastic piece  253  is located in the atomization cavity  21 , the elastic piece  253  is a spring, and one end of the elastic piece  253  abuts against the inner side wall of the atomization cavity  21  and the other end of the elastic piece  253  abuts against one end of the movable rod  251 . When the humidifier works, the water level depth in the atomization cavity  21  gradually decreases, the lever floater  241  loses the buoyancy of water, the lever floater  241  rotates downwards around the rotating rod under the action of the own gravity, the lever floater  241  drives the pressing block  242  to press the movable rod  251 , the movable rod  251  drives the sealing pad  252  to move downwards, and the water inlet in the side wall of the atomization cavity  21  is opened; at this time, the elastic piece  253  is compressed and water in the water tank  1  flows into the atomization cavity  21 ; when the water level reaches the optimal water level depth for the atomization sheet  23  to work again, the lever floater  241  floats under the buoyancy action of the water, the movable rod  251  loses the pressure of the pressing block  242 , the elastic piece  253  needs to be recovered to an uncompressed state, the elastic piece  253  drives the movable rod  251  to lift, the movable rod  251  drives the sealing pad  252  to lift, and the sealing pad  252  blocks the water inlet of the atomization cavity  21 . 
     Preferably, the atomization mechanism  2  further includes a fan  26  and an air channel  27 . The fan  26  is arranged on the mounting plate  221 , the air channel  27  is formed in the crane jib  222 , and the air inlet of the air channel  27  communicates with the air outlet of the fan  26 . In specific application, the upper cover  11  is provided with an air inlet hole  111 , the air inlet hole  111  faces towards the air inlet of the fan  26 , the external wind sequentially passes through the air inlet hole  111 , the air inlet of the fan  26 , the air outlet of the fan  26  and the air channel  27  to enter the atomization cavity  21 , the wind blows out the water mist generated in the atomization cavity  21  through the mist outlet  2211  and diffusion of the mist to the air may be accelerated, there by rapidly changing the room humidity. 
     Preferably, the atomization mechanism  2  further includes a sealing piece  28 . The sealing piece  28  is sealing silica gel, the sealing piece  28  is mounted on the crane jib  222  through a pressing plate  29 , and the sealing piece  28  seals the bottom of the atomization sheet  23 , thereby preventing water in the atomization cavity  21  from entering the bottom of the atomization sheet  23  and avoiding damage to a driving circuit at the bottom of the atomization sheet  23 . 
     In conclusion, in one or more embodiments of the present invention, according to the overhead type upper water adding humidifier of the present invention, the atomization cavity is nested in the water tank, water in the atomization cavity and the water tank is relatively separated and independent, and the valve is controlled by the water level adjusting assembly to mutually communicate the atomization cavity and the water tank, so that when the humidifier works, a constant water level depth may be maintained above the atomization sheet, the atomization sheet is still in an optimal working state, the maximum atomization efficiency is achieved and waste of energy is avoided; moreover, the atomization cavity is nested in the water tank and space may be fully utilized, so that the water volume of products with the same volume is increased, and the packaging and transportation costs are effectively reduced. 
     Embodiment II 
     Referring to  FIG. 4  to  FIG. 5 , relative to the embodiment I, in this embodiment, the air inlet hole  111  is formed in a side part of the upper cover  11 , the air inlet hole  111  communicates with an inner cavity of the upper cover  11 , and the air inlet hole  111  communicates with the air inlet of the fan  26  through the inner cavity of the upper cover  11 . 
     Compared with the humidifier with the air inlet hole  111  formed at the bottom of the machine body, the air inlet hole  111  is formed in the side part of the upper cover  11  in this embodiment, so that the mist return phenomenon can be avoided, thus preventing parts at the bottom of the machine body from being damaged by moisture. 
     Referring to  FIG. 5  to  FIG. 7 , relative to the embodiment I, in this embodiment, a lamp assembly  4  is added, the lamp assembly  4  is arranged on the mounting plate  221 , and a light-emitting portion  411  of the lamp assembly  4  faces towards the atomization cavity  21 . 
     The mounting plate  221  is provided with a mounting base  2212  corresponding to the atomization cavity  21 , a mounting through hole  22121  and a fence  22122  are arranged at the bottom of the mounting base  2212 , the mounting through hole  22121  extends towards the atomization cavity  21 , and the fence  22122  is located in the mounting base  2212 . 
     The lamp assembly  4  includes a lamp piece  41  and a lamp sleeve  42 , and the lamp sleeve  42  sleeves a light-emitting portion  411  of the lamp piece  41 . Specifically, the lamp piece  41  includes a light-emitting portion  411  and a bottom plate  412 , and the light-emitting portion  411  is arranged on the bottom plate  412 . The lamp sleeve  42  includes a base portion  421  and a pad portion  422 , and the pad portion  422  is arranged at one end of the base portion  421 . The base portion  421  is cylindrical and the pad portion  422  is ring-shaped; and when the base portion  421  sleeves the light-emitting portion  411 , one side of the pad portion  422  abuts against the bottom plate  412 . In the embodiment, the lamp piece  41  may be one of an ultraviolet lamp, a lighting lamp and a decorative lamp. 
     The assembled lamp assembly  4  is fixed in the mounting base  2212 , and the light-emitting portion  411  passes through the mounting through hole  22121 . At this time, the base portion  421  is located between the light-emitting portion  411  and the mounting through hole  22121  to seal a gap between the light-emitting portion  411  and the mounting through hole  22121 ; and the pad portion  422  abuts against the fence  22122  and seals the fence  22122 , thereby realizing double sealing and preventing water mist from entering the inner cavity of the upper cover  11  through the mounting through hole  22121 . 
     In the embodiment, a lamp assembly  4  is provided, and the lamp assembly  4  is arranged on the upper cover  11  and light generated by the lamp assembly  4  is directed to the atomization cavity  21 , so that lamp light is softer and more uniform and is not affected by the water. 
     The above is an implementation manner of the present invention and is not intended to limit the present invention. Various changes and modifications may be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the claims of the present invention.