Patent Description:
<CIT> (patent family <CIT> and <CIT>) discloses a battery pack, the battery pack includes at least one battery cell, a protecting circuit module which includes a rigid printed circuit board and is electrically connected with the battery cell, at least one temperature sensing member which is provided at a surface of the battery cell, and a flexible printed circuit board which electrically connects the rigid printed circuit board and temperature sensing member.

However, the flexible printed circuit board disclosed by the above prior art only can be used to collect temperature alone, cannot meet a need on a function that voltage information of the battery is collected at the same time. <CIT> describes a battery module with a flexible interconnector comprising a plurality of aligned battery cells with surfaces of different orientation and a cell supervision circuit, CSC, configured to receive signals corresponding to the voltage and/or temperature of at least one battery cell. A flexible interconnector of the battery module comprises a strip-shaped flexible printed circuit, FPC, with a first insulating main surface, a second insulating main surface opposite the first insulating main surface and a plurality of thermally and/or electrically conducting lines disposed between the first insulating main surface and the second insulating main surface. <CIT> describes a battery module comprising a plurality of battery cells, a first flexible printed circuit assembly and a thermistor FPCA, the first FPCA including a flexible substrate, and voltage sense lines connected with voltage sense tabs and temperature sense lines connected with temperature sense tabs formed on the flexible substrate; wherein the voltage sense tabs are electrically connected to a positive terminal or a negative terminal of the battery cells to measure the voltage of the battery cells; the thermistor FPCA includes a temperature sensor and connection tabs, the temperature sensor is arranged to abut the battery cells, the connection tabs are connected to the temperature sense tabs so as to transmit the temperature signals detected by the temperature sensor to the temperature sense lines.

One main object of the present disclosure is to provide a battery connection module, the battery connection module can utilize a flexible circuit board which meets need that temperature information and voltage information are collected at the same time so as to overcome at least one deficiency of the above prior art.

In order to realize the above object, the present disclosure employs a following technical solution: according to one aspect of the present disclosure, a battery connection module is provided, the battery connection module is used to connect a plurality of batteries, the battery connection module comprises a plurality of busbars, a rigid circuit board and at least one connecting assembly; the plurality of busbars are used to connect the plurality of batteries; the rigid circuit board is connected to the plurality of busbars; the connecting assembly is used to connect the corresponding busbar and the rigid circuit board, the connecting assembly comprises a flexible circuit board, a temperature sensor and a voltage collecting pad; the flexible circuit board has a first end portion, a second end portion and a middle portion, the first end portion connects the corresponding busbar, the second end portion connects the rigid circuit board, the middle portion connects the first end portion and the second end portion, the flexible circuit board is provided with a temperature collecting wiring and a voltage collecting wiring; the temperature sensor and a voltage collecting pad are respectively provided to the first end portion, the voltage collecting pad is connected to the corresponding busbar, the temperature sensor and the voltage collecting pad are connected to the rigid circuit board at the second end portion respectively via the temperature collecting wiring and the voltage collecting wiring.

According to one or more embodiments, the connecting assembly further comprises a conducting plate.

The conducting plate is provided between the first end portion of the flexible circuit board and the busbar.

The conducting plate has an electrical conduction function and a thermal conduction.

The voltage collecting pad is provided to a lower surface of the first end portion and connected to an upper surface of the conducting plate.

The temperature sensor is provided to an upper surface of the first end portion.

According to one or more embodiment, the temperature sensor may correspond to a middle position of the voltage collecting pad in position.

According to one or more embodiments, the temperature collecting wiring may be provided to an upper surface of the flexible circuit board.

According to one or more embodiments, the temperature collecting wiring may have a first end.

According to one or more embodiments, the first end may extend to the first end portion of the flexible circuit board and may have a first electrical conduction pad.

According to one or more embodiments, the first electrical conduction pad may be used to connect the temperature sensor.

According to one or more embodiments, the temperature collecting wiring may have a second end.

According to one or more embodiments, the second end portion of the flexible circuit board may be provided with a first electrical conduction hole.

According to one or more embodiments, the second end may extend to the second end portion of the flexible circuit board.

According to one or more embodiments, the second end may connect the first electrical conduction hole and may be connected to a lower surface of the flexible circuit board via the first electrical conduction hole.

According to one or more embodiments, a lower surface of the second end portion of the flexible circuit board may be provided with a second electrical conduction pad.

According to one or more embodiments, the second electrical conduction pad may be connected to the rigid circuit board.

According to one or more embodiments, the second end of the temperature collecting wiring may be connected to the second electrical conduction pad via the first electrical conduction hole.

According to one or more embodiments, the rigid circuit board may be provided with a third electrical conduction pad.

According to one or more embodiments, the third electrical conduction pad may be used to be connected to the second electrical conduction pad.

According to one or more embodiments, the voltage collecting wiring may be provided to a lower surface of the flexible circuit board.

According to one or more embodiments, the voltage collecting wiring may have a third end.

According to one or more embodiments, the third end may connect the voltage collecting pad.

According to one or more embodiments, the voltage collecting wiring may have a fourth end.

According to one or more embodiments, a lower surface of the second end portion of the flexible circuit board may be provided with a fourth electrical conduction pad.

According to one or more embodiments, the fourth end of the voltage collecting wiring may be connected to the fourth electrical conduction pad.

According to one or more embodiments, the rigid circuit board may be provided with a fifth electrical conduction pad.

According to one or more embodiments, the fifth electrical conduction pad may be used to be connected to the fourth electrical conduction pad.

According to one or more embodiments, a connection between the conducting plate and the busbar and a connection between the conducting plate and the flexible circuit board may employ different welding processes.

According to one or more embodiments, the voltage collecting pad may be welded onto the conducting plate by a surface welding technology.

According to one or more embodiments, the conducting plate and the busbar may be welded by a laser welding technology.

According to one or more embodiments, the middle portion of the flexible circuit board may be a flexible construction.

According to one or more embodiments, the connecting assembly may further comprise a packaging cover.

According to one or more embodiments, the packaging cover may be provided to the first end portion of the flexible circuit board and may be used to package the temperature sensor.

According to one or more embodiments, the connecting assembly may further comprise a strengthening plate.

According to one or more embodiments, the strengthening plate may be provided to an upper surface of the second end portion of the flexible circuit board.

As can be seen from the above technical solutions, advantages and positive effects of the battery connection module proposed by the present disclosure lie in that: the battery connection module proposed by the present disclosure includes a plurality of busbars, a rigid circuit board and at least one connecting assembly. The connecting assembly is used to connect the corresponding busbar and the rigid circuit board, the connecting assembly includes a flexible circuit board, a temperature sensor and a voltage collecting pad. The flexible circuit board has a first end portion, a second end portion and a middle portion, the first end portion connects the corresponding busbar, the second end portion connects the rigid circuit board, the middle portion connects the first end portion and the second end portion, the flexible circuit board is provided with a temperature collecting wiring and a voltage collecting wiring. The temperature sensor and the voltage collecting pad are respectively provided to the first end portion, the voltage collecting pad is connected to the corresponding busbar, the temperature sensor and the voltage collecting pad are connected to the second end portion of the rigid circuit board respectively via the temperature collecting wiring and the voltage collecting wiring. Accordingly, the present disclosure can utilize the flexible circuit board which is provided with the voltage collecting wiring and the temperature collecting wiring at the same time, and can meet the need that temperature information and voltage information are collected at the same time.

Various purpose, features and advantages of the present disclosure will be apparent from considering the detailed description of preferred embodiments of the present disclosure in combination with the drawings. The drawings are only exemplary illustrations of the present disclosure and are not necessarily drawn to scale. In the drawings, the same reference numeral always indicates the same or similar element. In the drawings:.

Typical embodiments embodying the features and advantages of the present disclosure will be described in detail in the following description. It should be understood that the present disclosure can have various changes in different embodiments, which are not departed from the scope of the present disclosure, and the descriptions and drawings thereof are for illustrative purposes in essence and are not for limiting the present disclosure.

In the following description of different exemplary embodiments of the present disclosure, reference is made to the accompanying drawings, which form a part of the present disclosure, and in which different exemplary structures, systems, and steps of aspects that may implement the present disclosure are shown by way of example. It should be understood that other specific solutions of components, structures, exemplary devices, systems, and steps may be used, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "above", "between", "within", and the like may be used in this specification to describe different exemplary features and elements of the present disclosure, these terms are used herein for convenience only, for example, according to the direction of the examples illustrated in the accompanying drawings. Any content of the present specification should not be understood the structure falls within the scope of the present disclosure is required to be positioned in a specific three-dimensional direction.

Referring to <FIG> representatively illustrates an exploded schematic view of a battery pack proposed by the present disclosure. In the exemplary embodiment, the battery connection module <NUM> proposed by the present disclosure is described by taking the battery connection module <NUM> applied to a battery pack for example. A person skilled in the art easily understands that, in order to apply relevant design of the present disclosure to other types of energy storing devices, various modifications, additions, substitutions, deletions or other variations may be made to following specific embodiments, but these modifications, additions, substitutions, deletions or other variations are still fallen within a scope of a principle of the battery connection module <NUM> proposed by the present disclosure.

As shown in <FIG>, in the present embodiment, the battery connection module <NUM> proposed by the present disclosure is provided on a plurality of batteries <NUM> of a battery pack, the battery connection module <NUM> is used to connect the plurality of batteries <NUM>. In combination with referring to <FIG>, <FIG> representatively illustrates a structural schematic view of the battery connection module <NUM>, <FIG> representatively illustrates an exploded schematic view of the battery connection module <NUM>, <FIG> representatively illustrates a partially enlarged schematic view of <FIG> indicated by a dotted-line frame A, <FIG> representatively illustrates a partially enlarged schematic view of <FIG> indicated by a dotted-line frame B, <FIG> representatively illustrates an enlarged schematic view of partial components of <FIG> and specifically illustrates an enlarged structure for connection between one connecting assembly C and a rigid circuit board <NUM> and one busbar <NUM>, <FIG> representatively illustrates an exploded schematic view of <FIG>, <FIG> representatively illustrates a structural schematic view of a flexible circuit board <NUM> viewed from an angle and specifically illustrates a structure viewed from an oblique top angle, and <FIG> representatively illustrates a structural schematic view of the flexible circuit board <NUM> viewed from another angle and specifically illustrates a structure viewed from an oblique bottom angle. Hereinafter in combination with these figures, each main constituent part of the battery connection module <NUM> proposed by the present disclosure will be described in detail in structure, connecting manner and function relationship.

As shown in <FIG>, in the present embodiment, the battery connection module <NUM> proposed by the present disclosure includes a plurality of busbars <NUM>, a rigid circuit board <NUM> and a plurality of connecting assemblies C. Specifically, the plurality of busbars <NUM> are used to connect the plurality of batteries <NUM>. The rigid circuit board <NUM> are connected with some of the plurality of busbars <NUM> via the plurality of connecting assemblies C, and the rigid circuit board <NUM> are connected with the others of the plurality of busbars <NUM> via bridging pieces D which are metal materials. The connecting assembly C includes a flexible circuit board <NUM>, a temperature sensor <NUM> and a voltage collecting pad <NUM>. The flexible circuit board <NUM> has a first end portion <NUM>, a second end portion <NUM> and a middle portion <NUM>, the first end portion <NUM> connects the busbar <NUM>, the second end portion <NUM> connects the rigid circuit board <NUM>, the middle portion <NUM> connects the first end portion <NUM> and the second end portion <NUM>, the flexible circuit board <NUM> is provided with a temperature collecting wiring <NUM> and a voltage collecting wiring <NUM>. The temperature sensor <NUM> and the voltage collecting pad <NUM> are respectively provided to the first end portion <NUM>, the voltage collecting pad <NUM> is connected to the busbar <NUM>, the temperature sensor <NUM> and the voltage collecting pad <NUM> are connected to the rigid circuit board <NUM> respectively via the temperature collecting wiring <NUM> and the voltage collecting wiring <NUM> at the second end portion <NUM>. Accordingly, the present disclosure can utilize the flexible circuit board <NUM> which is provided with the voltage collecting wiring <NUM> and the temperature collecting wiring <NUM> at the same time to meet a need that temperature information and voltage information are collected at the same time.

In some embodiments, the battery connection module <NUM> also may only include one connecting assembly C. In other words, in various possible embodiments which is conformed to the design concept of the present disclosure, the battery connection module <NUM> proposed by the present disclosure may include at least one connecting assembly C.

As shown in <FIG>, in an embodiment of the present disclosure, the connecting assembly C further includes a conducting plate <NUM>. Specifically, the conducting plate <NUM> is provided between the first end portion <NUM> of the flexible circuit board <NUM> and the busbar <NUM>, and the conducting plate <NUM> has an electrical conduction function and a thermal conduction function. Accordingly, that conducting plate <NUM> is mounted between the busbar <NUM> and the flexible circuit board <NUM> in the present disclosure makes that the flexible circuit board <NUM> can be more easily welded. And, by providing the conducting plate <NUM> which has both the thermal conduction function and the electrical conduction function, in addition to that the conducting plate <NUM> can connect the voltage collecting wiring <NUM>, the conducting plate <NUM> further can conduct heat to the temperature sensor <NUM>, which increases accuracy of temperature collecting of the temperature sensor <NUM> and reduces temperature response time. Specifically, because the conducting plate <NUM> has the electrical conduction function, the conducting plate <NUM> may be connected to the voltage collecting wiring <NUM> of the flexible circuit board <NUM>. And, because the conducting plate <NUM> has the thermal conduction function at the same time, and the voltage collecting pad <NUM> also has a thermal conduction function, in combination with a design that the temperature sensor <NUM> correspond to a middle position of the voltage collecting pad <NUM>, the accuracy of temperature collecting of the temperature sensor <NUM> can be further increased, and the temperature response time is reduced.

As shown in <FIG> and <FIG>, based on the design that the connecting assembly C includes the conducting plate <NUM>, in an embodiment of the present disclosure, the voltage collecting pad <NUM> is provided to a lower surface S2 of the first end portion <NUM> and is connected to an upper surface of the conducting plate <NUM>, and the temperature sensor <NUM> is provided to an upper surface S1 of the first end portion <NUM>.

As shown in <FIG>, based on the design that the voltage collecting pad <NUM> and the temperature sensor <NUM> are respectively provided to the lower surface S2 and the upper surface S1 of the first end portion <NUM>, in an embodiment of the present disclosure, the temperature sensor <NUM> corresponds to the middle position of the voltage collecting pad <NUM>, accordingly the accuracy of temperature collecting of the temperature sensor <NUM> can be further increased, and the temperature response time is reduced.

As shown in <FIG>, based on the design that the temperature sensor <NUM> is provided to the upper surface S1 of the first end portion <NUM>, in an embodiment of the present disclosure, the temperature collecting wiring <NUM> is provided to an upper surface S1 of the flexible circuit board <NUM>, the temperature collecting wiring <NUM> has a first end <NUM> , the first end <NUM> extends to the first end portion <NUM> of the flexible circuit board <NUM> and has a first electrical conduction pad <NUM>, the first electrical conduction pad <NUM> is used to connect the temperature sensor <NUM>.

As shown in <FIG>, based on the design that the temperature sensor <NUM> is provided to the upper surface S1 of the first end portion <NUM>, in an embodiment of the present disclosure, the temperature collecting wiring <NUM> is provided to the upper surface S1 of the flexible circuit board <NUM>, the temperature collecting wiring <NUM> has a second end <NUM>, the second end portion <NUM> of the flexible circuit board <NUM> is provided with a first electrical conduction hole <NUM> which penetrates the upper surface S1 and the lower surface S2, the second end <NUM> extends to the second end portion <NUM> of the flexible circuit board <NUM>, the second end <NUM> connects the first electrical conduction hole <NUM> and is connected to a lower surface S2 of the flexible circuit board <NUM> via the first electrical conduction hole <NUM>.

Based on the design that the second end portion <NUM> of the flexible circuit board <NUM> is provided with the first electrical conduction hole <NUM>, in an embodiment of the present disclosure, a hole wall of the first electrical conduction hole <NUM> may be plated with a metal plating, a material of the metal plating may be cooper, cooper alloy and the like.

As shown in <FIG>, based on the design that the second end portion <NUM> of the flexible circuit board <NUM> is provided with the first electrical conduction hole <NUM>, in an embodiment of the present disclosure, a lower surface S2 of the second end portion <NUM> of the flexible circuit board <NUM> is provided with a second electrical conduction pad <NUM>, the second electrical conduction pad <NUM> is connected to the rigid circuit board <NUM>. On this basis, the first electrical conduction hole <NUM> penetrates the flexible circuit board <NUM> and the second electrical conduction pad <NUM>, the second end <NUM> of the temperature collecting wiring <NUM> is connected to the second electrical conduction pad <NUM> via the first electrical conduction hole <NUM>.

As shown in <FIG>, based on the design that the lower surface S2 of the second end portion <NUM> of the flexible circuit board <NUM> is provided with the second electrical conduction pad <NUM>, in an embodiment of the present disclosure, the rigid circuit board <NUM> is provided with a third electrical conduction pad <NUM>, the third electrical conduction pad <NUM> is used to be connected to the second electrical conduction pad <NUM>.

As shown in <FIG>, <FIG> and <FIG>, based on the design that the voltage collecting pad <NUM> is provided to the lower surface S2 of the first end portion <NUM>, in an embodiment of the present disclosure, the voltage collecting wiring <NUM> is provided to the lower surface S2 of the flexible circuit board <NUM>, the voltage collecting wiring <NUM> has a third end <NUM>, the third end <NUM> connects the voltage collecting pad <NUM>.

As shown in <FIG>, based on the design that the voltage collecting pad <NUM> is provided to the lower surface S2 of the first end portion <NUM>, in an embodiment of the present disclosure, the voltage collecting wiring <NUM> is provided to the lower surface S2 of the flexible circuit board <NUM>, the voltage collecting wiring <NUM> has a fourth end <NUM>, the lower surface S2 of the second end portion <NUM> of the flexible circuit board <NUM> is provided with a fourth electrical conduction pad <NUM>, the fourth end <NUM> of the voltage collecting wiring <NUM> is connected to the fourth electrical conduction pad <NUM>.

As shown in <FIG>, based on the design that the lower surface S2 of the second end portion <NUM> of the flexible circuit board <NUM> is provided with the fourth electrical conduction pad <NUM>, in an embodiment of the present disclosure, the second end portion <NUM> of the flexible circuit board <NUM> may be additionally provided with a second electrical conduction hole <NUM> which penetrates the upper surface S1 and the lower surface S2 and is connected to the fourth electrical conduction pad <NUM>.

Based on the design that the second end portion <NUM> of the flexible circuit board <NUM> is provided with the second electrical conduction hole <NUM>, in an embodiment of the present disclosure, a hole wall of the second electrical conduction hole <NUM> may be plated with a metal plating, a material of the metal plating may be cooper, cooper alloy and the like.

As shown in <FIG>, based on the design the lower surface S2 of the second end portion <NUM> of the flexible circuit board <NUM> is provided with the fourth electrical conduction pad <NUM>, in an embodiment of the present disclosure, the rigid circuit board <NUM> is provided with a fifth electrical conduction pad <NUM>, the fifth electrical conduction pad <NUM> is used to be connected to the fourth electrical conduction pad <NUM>.

In an embodiment of the present disclosure, a connection between the conducting plate <NUM> and the busbar <NUM> and a connection between the conducting plate <NUM> and the flexible circuit board <NUM> employ different welding processes. By the above design, the present disclosure can enhance weldability and welding strength among the conducting plate <NUM>, the busbar <NUM> and the flexible circuit board <NUM>. In some embodiments, the connection between the conducting plate <NUM> and busbar <NUM> and the connection between the conducting plate <NUM> and the flexible circuit board <NUM> also may employ the same welding process, and so the present disclosure is not limited thereto.

Specifically, in an embodiment of the present disclosure, the voltage collecting pad <NUM> is welded onto the conducting plate <NUM> by a surface welding technology. On this basis, for example, the conducting plate <NUM> may be a nickel plat, an aluminum plate and the like, the nickel plate may be partially plated with tin, or the aluminum plate may be partially plated nickel, which both may be used in the surface welding technology. In some embodiments, the voltage collecting pad <NUM> also may be welded onto the conducting plate <NUM> by other welding technologies, and so the present disclosure is not limited thereto.

Specifically, in an embodiment of the present disclosure, the conducting plate <NUM> and the busbar <NUM> are welded by a laser welding technology, <FIG> and <FIG> schematically illustrate a position of a laser welding point <NUM>. In some embodiments, the conducting plate <NUM> and the busbar <NUM> also may be welded by other welding technologies, and so the present disclosure is not limited thereto.

In an embodiment of the present disclosure, each electrical conduction pad, for example, the second electrical conduction pad <NUM> and the fourth electrical conduction pad <NUM>, which is provided to the lower surface S2 of the second end portion <NUM> of the flexible circuit board <NUM>, may be welded on the rigid circuit board <NUM> by the surface welding technology, for example, are respectively welded to the third electrical conduction pad <NUM> and the fifth electrical conduction pad <NUM> of the rigid circuit board <NUM> by the surface welding technology.

As shown in <FIG>, in an embodiment of the present disclosure, the middle portion <NUM> of the flexible circuit board <NUM> is a flexible construction, for example but is not limited to a bent structure, a curved structure and the like, which specifically may be a S-shaped structure so that flexibility of the flexible circuit board <NUM> can be increased.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the connecting assembly C further includes a packaging cover <NUM>. Specifically, the packaging cover <NUM> is provided to the first end portion <NUM> of the flexible circuit board <NUM>, the packaging cover <NUM> is used to package the temperature sensor <NUM>.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the connecting assembly C further includes a strengthening plate <NUM>. Specifically, the strengthening plate <NUM> is provided to an upper surface S1 of the second end portion <NUM> of the flexible circuit board <NUM>. The strengthening plate <NUM> may be a hard plate, and is adhered to the upper surface S1 of the second end portion <NUM> of the flexible circuit board <NUM>, and is used to strengthen the second end portion <NUM> of the flexible circuit board <NUM>, and the strengthening plate <NUM> has a flat upper surface which may be used to be picked and placed in the surface welding procedure.

It should be noted here that the battery connection module shown in the drawings and described in this specification are just a few examples of many kinds of battery connection modules which can employ the principle of the present disclosure. It should be clearly understood that the principle of the present disclosure is limited to any details or any components of the battery connection module shown in the drawings or described in this specification.

Examples are as follows. As shown in <FIG>, in an embodiment of the present disclosure, another temperature sensor <NUM>' may be provided, the temperature sensor <NUM>' is close to a bridging piece D and is arranged on the rigid circuit board <NUM>.

As shown in <FIG>, in an embodiment of the present disclosure, another temperature sensor <NUM>" may be provided, the temperature sensor <NUM>" is relatively independently provided on the rigid circuit board <NUM>, that is, is not close to a bridging piece D or a connecting assembly C.

In an embodiment of the present disclosure, the rigid circuit board <NUM> may a hard printed circuit board (PCB).

In an embodiment of the present disclosure, the flexible circuit board <NUM> may be a flexible printed circuit board (FPC), for example, is a flexible circuit board <NUM> of a double wiring layer construction.

In an embodiment of the present disclosure, the temperature sensor <NUM> may be a NTC thermistor (Negative Temperature Coefficient thermistor).

In an embodiment of the present disclosure, a material of the busbar <NUM> may be a metal material, such as aluminum, cooper and the like, also may be a structure of a single type of metal material, a laminated structure of a plurality of types of metal materials or a combination thereof.

In an embodiment of the present disclosure, conductive traces on the voltage collecting pad <NUM>, the temperature collecting wiring <NUM>, the voltage collecting wiring <NUM>, the electrical conduction pads, the rigid circuit board <NUM> and the like may employ conductive metal materials, for example but is not limited to cooper.

Based on the above detailed description of several exemplary embodiments of the battery connection module <NUM> proposed by the present disclosure, hereinafter an exemplary embodiment of the battery pack proposed by the present disclosure will be described.

As shown in <FIG>, in an embodiment of the present disclosure, the battery pack proposed by the present disclosure includes the battery connection module <NUM> which is proposed by the present disclosure and is described in detail in the above embodiments. Here, the battery connection module <NUM> is provided on the plurality of batteries <NUM> of the battery pack, two ends of the plurality of batteries <NUM> are provided with frame structures, such as end plates <NUM> and the like, and other structure.

It should be noted here that the battery pack shown in the drawings and described in this specification are just a few examples of many kinds of battery packs which can employ the principle of the present disclosure. It should be clearly understood that the principle of the present disclosure is limited to any details or any components of the battery pack shown in the drawings or described in this specification.

In conclusion, the battery connection module proposed by the present disclosure includes a plurality of busbars, a rigid circuit board and at least one connecting assembly. The connecting assembly is used to connect the corresponding busbar and the rigid circuit board, the connecting assembly includes a flexible circuit board, a temperature sensor and a voltage collecting pad. The flexible circuit board has a first end portion, a second end portion and a middle portion, the first end portion connects the corresponding busbar, the second end portion connects the rigid circuit board, the middle portion connects the first end portion and the second end portion, the flexible circuit board is provided with a temperature collecting wiring and a voltage collecting wiring. The temperature sensor and the voltage collecting pad are respectively provided to the first end portion, the voltage collecting pad is connected to the corresponding busbar, the temperature sensor and the voltage collecting pad are connected to the second end portion of the rigid circuit board respectively via the temperature collecting wiring and the voltage collecting wiring. Accordingly, the present disclosure can utilize the flexible circuit board which is provided with the voltage collecting wiring and the temperature collecting wiring at the same time, and can meet the need that temperature information and voltage information are collected at the same time.

The exemplary embodiments of the battery connection module proposed by the present disclosure are described and/or illustrated in detail above. However, the embodiments of the present disclosure are not limited to the specific embodiments described herein. On the contrary, the components and/or steps of each embodiment can be used independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment may also be used in combination with other components and/or steps of other embodiments. When introducing the elements/components/etc. described and/or illustrated here, the terms "one", "a/an" and "the above" are used to indicate the existence of one or more elements/components/etc. The terms "include/includes/including", "comprise/comprises/comprising" and "has/have/having" are used to mean open inclusion and mean that there may be other elements/components/etc. besides the listed elements/components/etc. In addition, the terms "first" and "second" in the claims and the specification are used only as marks and are not as a numerical limitation on their objects.

Claim 1:
A battery connection module (<NUM>) used to connect a plurality of batteries (<NUM>), the battery connection module (<NUM>) comprising:
a plurality of busbars (<NUM>) used to connect the plurality of batteries (<NUM>);
a rigid circuit board (<NUM>) connected to the plurality of busbars (<NUM>); and
at least one connecting assembly (C) used to connect the corresponding busbar (<NUM>) and the rigid circuit board (<NUM>), the connecting assembly (C) comprising:
a flexible circuit board (<NUM>) having a first end portion (<NUM>), a second end portion (<NUM>) and a middle portion (<NUM>), the first end portion (<NUM>) connecting the corresponding busbar (<NUM>), the second end portion (<NUM>) connecting the rigid circuit board (<NUM>), the middle portion (<NUM>) connecting the first end portion (<NUM>) and the second end portion (<NUM>), the flexible circuit board (<NUM>) being provided with a temperature collecting wiring (<NUM>) and a voltage collecting wiring (<NUM>);
a temperature sensor (<NUM>) and a voltage collecting pad (<NUM>) respectively provided to the first end portion (<NUM>), the voltage collecting pad (<NUM>) being connected to the corresponding busbar (<NUM>), the temperature sensor (<NUM>) and the voltage collecting pad (<NUM>) being connected to the rigid circuit board (<NUM>) at the second end portion (<NUM>) respectively via the temperature collecting wiring (<NUM>) and the voltage collecting wiring (<NUM>),
wherein the connecting assembly (C) further comprises a conducting plate (<NUM>) provided between the first end portion (<NUM>) of the flexible circuit board (<NUM>) and the busbar (<NUM>) and/or the conducting plate (<NUM>) has an electrical conduction function and a thermal conduction characterised in that the voltage collecting pad (<NUM>) is provided to a lower surface of the first end portion (<NUM>) and is connected to an upper surface of the conducting plate (<NUM>), the temperature sensor (<NUM>) is provided to an upper surface of the first end portion (<NUM>).