Patent Description:
Chinese patent application publication No. <CIT> discloses a battery connection module, in which a first end portion of a temperature collecting piece formed with an opening, a temperature sensing member is positioned in the opening, the other end of the temperature collecting piece is connected on a busbar.

However, the busbar disclosed by the prior art patent application connects electrodes of batteries, heat generated by the batteries will be directly transferred to the busbar, and the heat on the busbar will be transferred to the temperature sensing member at the first end portion of the temperature collecting piece via the temperature collecting piece, there is only one heat transferring path. If the temperature sensing member is provided between an upper surface of a circuit board and the below batteries and is spaced apart from the batteries by the circuit board and a tray, the heat transferring path is longer, which results in accuracy of temperature information collected by the temperature sensor lower and temperature response time longer, and results in sensitivity of temperature information collection poor.

One main object of the present disclosure is to provide a battery connection module in which a heat transferring path between a temperature sensor and a surface of a side of a circuit board opposite to temperature sensor is shortened so as to overcome at least one deficiency of the above prior art.

In order to realize the above object, the present disclosure employs the 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 tray, a plurality of busbars, a circuit board and a temperature measuring assembly; the plurality of busbars are mounted on the tray and are used to connect the plurality of batteries; the circuit board is connected to the plurality of busbars; the a temperature measuring assembly comprises a first thermal conduction pad and a second thermal conduction pad, a plurality of first thermal conduction through-holes, a temperature sensor and a bridging piece; the first thermal conduction pad and a second thermal conduction pad are respectively provided to an upper surface and a lower surface of the circuit board; the plurality of first thermal conduction through-holes penetrate the first thermal conduction pad, the second thermal conduction pad and the circuit board; the temperature sensor is provided to the upper surface or the lower surface of the circuit board and is adjacent to the first thermal conduction pad or the second thermal conduction pad; the bridging piece connects the corresponding busbar and the first thermal conduction pad or the second thermal conduction pad.

According to one or more of the embodiments, the temperature sensor may be provided to the upper surface of the circuit board and/or may be adjacent to the first thermal conduction pad.

In one or more of the embodiments, a first end of the bridging piece may be connected to the first thermal conduction pad.

In one or more of the embodiments, a second end of the bridging piece may be connected to the corresponding busbar.

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

In one or more of the embodiments, the packaging cover may be provided to the upper surface of the circuit board and/or may be used to at least partially package the first thermal conduction pad, the temperature sensor and/or the first end of the bridging piece.

According to one or more of the embodiments, the first thermal conduction pad may be provided with a first receiving opening.

In one or more of the embodiments, the first end of the bridging piece may be provided with a second receiving opening.

In one or more of the embodiments, the first receiving opening may correspond to the second receiving opening in position.

In one or more of the embodiments, the temperature sensor may be at least partially positioned in a range of the first receiving opening and in a range of the second receiving opening.

According to one or more of the embodiments, the temperature sensor may be provided to the lower surface of the circuit board and/or may be adjacent to the second thermal conduction pad.

According to one or more of the embodiments, the temperature measuring assembly may further comprise a packaging cover, the packaging cover may be provided to the lower surface of the circuit board and/or may be used to at least partially package the second thermal conduction pad, the temperature sensor and/or the plurality of first thermal conduction through-holes.

According to one or more of the embodiments, the second thermal conduction pad may be provided with a third receiving opening.

In one or more of the embodiments, the temperature sensor may be at least partially positioned in a range of the third receiving opening.

According to one or more of the embodiments, the circuit board may be provided with an electrical connecting point.

In one or more of the embodiments, the temperature sensor may be mounted to the electrical connecting point.

In one or more of the embodiments, the temperature measuring assembly may further comprise a second thermal conduction through-hole.

In one or more of the embodiments, the second thermal conduction through-hole may penetrate the electrical connecting point and the circuit board.

According to one or more of the embodiments, the electrical connecting point may be a welding pad.

In one or more of the embodiments, the temperature sensor may be mounted to the welding pad by a weld manner.

In one or more of the embodiments, the temperature measuring assembly may further comprise a third thermal conduction pad.

In one or more of the embodiments, one of the third thermal conduction pad and the welding pad may be provided to the upper surface of the circuit board.

In one or more of the embodiments, the other of the third thermal conduction pad and the welding pad may be provided to the lower surface of the circuit board.

In one or more of the embodiments, the second thermal conduction through-hole may further penetrate the third thermal conduction pad.

According to one or more of the embodiments, the tray may be provided with an opening.

In one or more of the embodiments, the opening may correspond to the second thermal conduction pad and the temperature sensor in position.

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 tray, a plurality of busbars, a circuit board and a temperature measuring assembly. The temperature measuring assembly includes a first thermal conduction pad and a second thermal conduction pad, a plurality of first thermal conduction through-holes, a temperature sensor and a bridging piece. The first thermal conduction pad and the second thermal conduction pad are respectively provided to an upper surface and a lower surface of the circuit board. The plurality of first thermal conduction through-holes penetrate the first thermal conduction pad, the second thermal conduction pad and the circuit board. The temperature sensor is provided to an upper surface or a lower surface of the circuit board, and is adjacent to the first thermal conduction pad or the second thermal conduction pad. By the above design, the present disclosure can allow heat at a surface of a side of the circuit board opposite to temperature sensor to be transferred to the temperature sensor via the first thermal conduction pad, the second thermal conduction pad and the first thermal conduction through-hole, heat transferring path is shortened, accuracy of temperature collection of the temperature sensor is promoted, and temperature response time is shortened, sensitivity of temperature information collection is promoted.

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 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 an exploded schematic view of the battery connection module <NUM>, <FIG> representatively illustrates a partially enlarged schematic view when the battery connection module <NUM> and the plurality of batteries of the battery pack are assembled, <FIG> representatively illustrates an exploded schematic view of <FIG>, <FIG> representatively illustrates a partially enlarged schematic view of <FIG> indicated by a dotted-line frame A, <FIG> representatively illustrates an exploded schematic view of <FIG>, and <FIG> representatively illustrates a partial bottom view of <FIG>. 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 in <FIG>, in an embodiment of the present disclosure, the battery connection module <NUM> proposed by the present disclosure includes a tray <NUM>, a plurality of busbars <NUM>, a circuit board <NUM> and a temperature measuring assembly. Specifically, the plurality of busbars <NUM> are mounted on the tray <NUM>, the plurality of busbars <NUM> are used to connect the plurality of batteries <NUM>. Each busbar <NUM> is connected to a voltage collecting wiring of the circuit board <NUM> via one bridging piece <NUM>. The temperature measuring assembly includes a first thermal conduction pad <NUM> and a second thermal conduction pad <NUM>, a plurality of first thermal conduction through-holes <NUM>, a temperature sensor <NUM> and the bridging piece <NUM>. The first thermal conduction pad <NUM> and the second thermal conduction pad <NUM> are respectively provided to an upper surface S1 and a lower surface S2 of the circuit board <NUM>. The first thermal conduction through-hole <NUM> penetrates the first thermal conduction pad <NUM>, the second thermal conduction pad <NUM> and the circuit board <NUM>. The temperature sensor <NUM> is provided to the upper surface S1 of the circuit board <NUM> and is adjacent to the first thermal conduction pad <NUM>. The bridging piece <NUM> connects the busbar <NUM> and the first thermal conduction pad <NUM>. By the above design, the present disclosure can allow heat at a surface of a side of the circuit board <NUM> opposite to the temperature sensor <NUM> to be transferred to the temperature sensor <NUM> via the second thermal conduction pad <NUM>, the first thermal conduction through-hole <NUM> and the first thermal conduction pad <NUM>, heat transferring path is shortened, accuracy of temperature collection of the temperature sensor <NUM> is promoted, and temperature response time is shortened, sensitivity of temperature information collection is promoted.

As shown in <FIG> and <FIG>, based on the design that the temperature sensor <NUM> is provided to the upper surface S1 of the circuit board <NUM> and is adjacent to the first thermal conduction pad <NUM>, in an embodiment of the present disclosure, a first end 145a of the bridging piece <NUM> is connected to the first thermal conduction pad <NUM>, a second end 145b of the bridging piece <NUM> is connected to the corresponding busbar <NUM>.

As shown in <FIG>, in an embodiment of the present disclosure, the first end 145a of the bridging piece <NUM> connects the first thermal conduction pad <NUM> and covers each first thermal conduction through-hole <NUM>. The temperature measuring assembly further includes a packaging cover <NUM>. The packaging cover <NUM> is provided to the upper surface S1 of the circuit board <NUM>, is used to package the first thermal conduction pad <NUM>, the temperature sensor <NUM> and the first end 145a of the bridging piece <NUM>, and can provide a thermal conduction function and a protecting function. In some embodiments, in a construction that the plurality of the first thermal conduction through-holes <NUM> are not all covered by the first end 145a of the bridging piece <NUM>, the packaging cover <NUM> also may cover the other first thermal conduction through-hole <NUM> which is exposed to the first end 145a of the bridging piece <NUM>. In some embodiments, when the temperature sensor <NUM> is provided to the upper surface S1 of the circuit board <NUM> and the temperature measuring assembly includes the packaging cover <NUM>, the packaging cover <NUM> also may partially package the first thermal conduction pad <NUM>, in other words, in various possible embodiments which conform to the design concept of the present disclosure, when the temperature sensor <NUM> is provided to the upper surface S1 of the circuit board <NUM> and the temperature measuring assembly includes the packaging cover <NUM>, the packaging cover <NUM> may at least partially package the first thermal conduction pad <NUM>.

Based on the design that the temperature measuring assembly includes the packaging cover <NUM>, in an embodiment of the present disclosure, a material of the packaging cover <NUM> may be a thermal conduction adhesive, an antioxidative protecting adhesive or a combination thereof, for example, silica gel, epoxy resin and the like.

As shown in <FIG>, in an embodiment of the present disclosure, the first thermal conduction pad <NUM> is provided with a first receiving opening <NUM>, the first end 145a of the bridging piece <NUM> is provided with a second receiving opening1451, the first receiving opening <NUM> and the second receiving opening1451 correspond to each other in position. On this basis, the temperature sensor <NUM> is partially positioned in a range of the first receiving opening <NUM> and in a range of the second receiving opening1451. In some embodiments, the temperature sensor <NUM> also may be all positioned in the range of the first receiving opening <NUM> and in the range of the second receiving opening <NUM>. In other words, in various possible embodiments which conform to the design concept of the present disclosure, when the temperature sensor <NUM> is provided to the upper surface S1 of the circuit board <NUM> and the first thermal conduction pad <NUM> is provided with the first receiving opening <NUM>, the temperature sensor <NUM> is at least partially positioned in the range of the first receiving opening <NUM> and in the range of the second receiving opening1451.

As shown in <FIG> and <FIG>, based on the design that the first thermal conduction pad <NUM> is provided with the first receiving opening <NUM> and the first end 145a of the bridging piece <NUM> is provided with the second receiving opening1451, in an embodiment of the present disclosure, the first receiving opening <NUM> is provided to a side edge of the first thermal conduction pad <NUM>. On this basis, the second receiving opening1451 is provided to a side edge of the first end 145a of the bridging piece <NUM>. In some embodiments, when the first receiving opening <NUM> is provided to a side edge of the first thermal conduction pad <NUM>, the second receiving opening1451 also may be provided to a middle portion of the bridging piece <NUM>, that is, the second receiving opening1451 may be a closed opening structure. Moreover, the first receiving opening <NUM> also may be provided to a middle portion of the first thermal conduction pad <NUM>, that is, the first receiving opening <NUM> may be a closed opening structure, on this basis, the second receiving opening1451 may be provided to a side edge or a middle portion of the first end 145a of the bridging piece <NUM>, but the present disclosure is not limited thereto. In addition, when the first receiving opening <NUM> is a closed opening structure, the temperature sensor <NUM> is all positioned in the range of the first receiving opening <NUM>.

In an embodiment of the present disclosure, a hole wall of the first thermal conduction through-hole <NUM> may be plated with a metal plating, a material of the metal plating may be cooper or cooper alloy.

In an embodiment of the present disclosure, a material of the first thermal conduction pad <NUM> may be the same as a material of an electrical conduction trace on the circuit board <NUM>, for example but is not limited to cooper.

In an embodiment of the present disclosure, a material of the second thermal conduction pad <NUM> may be the same as a material of an electrical conduction trace on the circuit board <NUM>, for example but is not limited to cooper.

Referring to <FIG>, <FIG> representatively illustrates a partially enlarged schematic view of the battery connection module <NUM> in another exemplary embodiment, <FIG> representatively illustrates an exploded schematic view of <FIG>, <FIG> representatively illustrates an exploded schematic view of <FIG> viewed from another angle, and <FIG> representatively illustrates a partial cross sectional view of <FIG>.

As shown in <FIG>, in an embodiment of the present disclosure, the temperature sensor <NUM> also may be provided to the lower surface S2 of the circuit board <NUM> and is adjacent to the second thermal conduction pad <NUM>. On this basis, the first end 145a of the bridging piece <NUM> is connected to the first thermal conduction pad <NUM>, the second end 145b of the bridging piece 145is connected to the corresponding busbar <NUM>. In other words, in various possible embodiments which conform to the design concept of the present disclosure, the temperature sensor <NUM> may be provided to the upper surface S1 or the lower surface S2 of the circuit board <NUM>, and is adjacent to the first thermal conduction pad <NUM> or the second thermal conduction pad <NUM>. On this basis, the bridging piece <NUM> may connect the corresponding busbar <NUM> and the first thermal conduction pad <NUM> or the bridging piece <NUM> may connect the corresponding busbar <NUM> and the second thermal conduction pad <NUM>.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the temperature measuring assembly further includes a packaging cover <NUM>. The packaging cover <NUM> is provided to the lower surface S2 of the circuit board <NUM>, is used to partially package the second thermal conduction pad <NUM>, each first thermal conduction through-hole <NUM> and the temperature sensor <NUM>, and can provide a thermal conduction and a protecting function. In some embodiments, when the temperature sensor <NUM> is provided to the lower surface S2 of the circuit board <NUM> and the temperature measuring assembly includes the packaging cover <NUM>, the packaging cover <NUM> also may all package the second thermal conduction pad <NUM> and each first thermal conduction through-hole <NUM>, in other words, in various possible embodiments which conform to the design concept of the present disclosure, when the temperature sensor <NUM> is provided to the lower surface S2 of the circuit board <NUM> and the temperature measuring assembly includes the packaging cover <NUM>, the packaging cover <NUM> may at least partially package the second thermal conduction pad <NUM> and each first thermal conduction through-hole <NUM>.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the second thermal conduction pad <NUM> is provided with a third receiving opening <NUM>. On this basis, the temperature sensor <NUM> is all positioned in a range of the third receiving opening <NUM>. In some embodiments, the temperature sensor <NUM> also may be partially positioned in the range of the third receiving opening <NUM>. In other words, in various possible embodiments which conform to the design concept of the present disclosure, when the temperature sensor <NUM> is provided to the lower surface S2 of the circuit board <NUM> and the second thermal conduction pad <NUM> is provided with the third receiving opening <NUM>, the temperature sensor <NUM> is at least partially positioned in the range of the third receiving opening <NUM>.

As shown in <FIG> and <FIG>, based on the design that the second thermal conduction pad <NUM> is provided with the third receiving opening <NUM>, in an embodiment of the present disclosure, the third receiving opening <NUM> is provided to a middle portion of the second thermal conduction pad <NUM>, that is, the third receiving opening <NUM> is a closed opening structure, the temperature sensor <NUM> is all positioned in the range of the third receiving opening <NUM>. In some embodiments, the third receiving opening <NUM> also may be provided to a side edge of the second thermal conduction pad <NUM>, that is, the third receiving opening <NUM> is an opening structure which is opened at a side edge thereof, but the present disclosure is not limited thereto. In addition, when the third receiving opening <NUM> is the opening structure which is opened, the temperature sensor <NUM> is at least partially positioned in the range of the third receiving opening <NUM>.

It is noted that, in each above embodiments, description is performed by taking that the bridging piece <NUM> is connected to the first thermal conduction pad <NUM> for example. In some embodiments, whether the temperature sensor <NUM> is provided to the upper surface S1 or the lower surface S2 of the circuit board <NUM>, the bridging piece <NUM> may connect the second thermal conduction pad <NUM> and the corresponding busbar <NUM>, and so the present disclosure is not limited thereto.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the first thermal conduction pad <NUM> can be connected to the voltage collecting wiring on the circuit board <NUM>, besides the bridging piece <NUM> realizes an electrical connection function between the circuit board <NUM> and the corresponding batteries <NUM>, the bridging piece <NUM> can allow heat to be transferred, by the above design, the present disclosure can allow the bridging piece <NUM> to transfer heat, and can allow heat transferred via the first thermal conduction through-hole <NUM> which penetrates the circuit board <NUM> to be more rapidly transferred to the temperature sensor <NUM>.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the temperature measuring assembly includes a plurality of first thermal conduction through-holes <NUM>. By the above design, the present disclosure can increase thermal conduction amount by the plurality of the first thermal conduction through-holes <NUM>. In addition, when the bridging piece <NUM> is also penetrated by the first thermal conduction through-hole <NUM>, according to shape difference between the bridging piece <NUM> and the first thermal conduction pad <NUM> or the second thermal conduction pad <NUM>, there may be some of the plurality of first thermal conduction through-holes <NUM> to penetrate the bridging piece <NUM>, the first thermal conduction pad <NUM>, the second thermal conduction pad <NUM> and the circuit board <NUM>, but the other of the plurality of first thermal conduction through-holes <NUM> only penetrate the first thermal conduction pad <NUM>, the second thermal conduction pad <NUM> and the circuit board <NUM>.

As shown in <FIG> and <FIG>, in an embodiment of the present disclosure, the circuit board <NUM> is provided with an electrical connecting point, the temperature sensor <NUM> is mounted to the electrical connecting point. On this basis, the temperature measuring assembly further includes a second thermal conduction through-hole <NUM>. The second thermal conduction through-hole <NUM> penetrates the electrical connecting point and the circuit board <NUM>. By the above design, besides the electrical connecting point realizes a function that the temperature measuring assembly is mounted and the electrical connecting point is electrically connected with the electrical conduction trace of the circuit board <NUM>, the electrical connecting point may act as a thermal conduction member, and the second thermal conduction through-hole <NUM> can shorten the heat transferring path at the position of the second thermal conduction through-hole <NUM>.

As shown in <FIG> and <FIG>, based on the design that the circuit board <NUM> is provided with the electrical connecting point, in an embodiment of the present disclosure, the electrical connecting point is two electrical connecting points which each are a welding pad <NUM>, the temperature sensor <NUM> is mounted to the welding pads <NUM> by a welding manner, the welding pads <NUM> are connected to a temperature collecting wiring on the circuit board <NUM>. On this basis, the temperature measuring assembly further includes third thermal conduction pads <NUM>. In the embodiment as shown in <FIG>, the welding pad <NUM> is provided to the upper surface S1 of the circuit board <NUM>, the third thermal conduction pad <NUM> is provided to the lower surface S2 of the circuit board <NUM>. In the embodiment as shown in <FIG>, the third thermal conduction pad <NUM> is provided to the upper surface S1 of the circuit board <NUM>, the welding pad <NUM> is provided to the lower surface S2 of the circuit board <NUM>. And, the second thermal conduction through-hole <NUM> further penetrates the welding pad <NUM> and the third thermal conduction pad <NUM>. In other words, in various possible embodiments which conform to the design concept of the present disclosure, when the temperature measuring assembly further includes the third thermal conduction pad <NUM>, one of the welding pad <NUM> and the third thermal conduction pad <NUM> is provided to the upper surface S1 of the circuit board <NUM>, the other of the welding pad <NUM> and the third thermal conduction pad <NUM> is provided to of the lower surface S2 of the circuit board <NUM>, and the second thermal conduction through-hole <NUM> further penetrates the welding pad <NUM> and the third thermal conduction pad <NUM>.

In an embodiment of the present disclosure, a hole wall of the second thermal conduction through-hole <NUM> may be plated with a metal plating, a material of the metal plating may be cooper or cooper alloy.

In an embodiment of the present disclosure, a material of the third thermal conduction pad <NUM> may be the same as a material of the electrical conduction trace on the circuit board <NUM>, for example but is not limited to cooper.

As shown in <FIG>, in an embodiment of the present disclosure, a tray <NUM> is provided with an opening <NUM>, the opening <NUM> is positioned between the lower surface S2 of the circuit board <NUM> and an upper surface of the corresponding battery <NUM>. Accordingly, when the temperature sensor <NUM> is provided to the lower surface S2 of the circuit board <NUM>, the opening <NUM> corresponds to the temperature sensor <NUM> in position, the opening <NUM> of the tray <NUM> can allow the temperature sensor <NUM> to face the corresponding battery <NUM> in a downward direction, so that the temperature sensor <NUM> can directly sense heat of the corresponding battery <NUM>. When the temperature sensor <NUM> is provided to the upper surface S1 of the circuit board <NUM>, the opening <NUM> corresponds to the second thermal conduction pad <NUM> on the lower surface S2 in position, the opening <NUM> of the tray <NUM> can allow the second thermal conduction pad <NUM>, the third thermal conduction pad <NUM> and the first thermal conduction through-hole <NUM> on the lower surface S2 to directly face the corresponding battery <NUM> in the downward direction, so that the second thermal conduction pad <NUM>, the third thermal conduction pad <NUM> and the first thermal conduction through-hole <NUM> can be directly subjected to heat so as to reflect heat of the corresponding battery <NUM> and transfer heat to the upper surface S1 of the temperature sensor <NUM>.

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.

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

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 bridging piece <NUM> may be nickel.

In an embodiment of the present disclosure, the first end 145a of the bridging piece <NUM> may connect the first thermal conduction pad <NUM> on the circuit board <NUM> by a surface welding manner, a penetrating hole 145c of the bridging piece <NUM> of the first end 145a acts as a welding strengthen function, the second end 145b of the bridging piece <NUM> may connect the corresponding busbar <NUM> by a ultrasonic welding manner.

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.

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, a battery connection module proposed by the present disclosure includes a tray, a plurality of busbars, a circuit board and a temperature measuring assembly. The temperature measuring assembly includes a first thermal conduction pad and a second thermal conduction pad, a plurality of first thermal conduction through-holes, a temperature sensor and a bridging piece. The first thermal conduction pad and the second thermal conduction pad are respectively provided to an upper surface and a lower surface of the circuit board. The plurality of first thermal conduction through-holes penetrate the first thermal conduction pad, the second thermal conduction pad and the circuit board. The temperature sensor is provided to an upper surface or a lower surface of the circuit board, and is adjacent to the first thermal conduction pad or the second thermal conduction pad. By the above design, the present disclosure can allow heat at a surface of a side of the circuit board opposite to temperature sensor to be transferred to the temperature sensor via the first thermal conduction pad, the second thermal conduction pad and the first thermal conduction through-hole, heat transferring path is shortened, accuracy of temperature collection of the temperature sensor is promoted, and temperature response time is shortened, sensitivity of temperature information collection is promoted.

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 tray (<NUM>);
a plurality of busbars (<NUM>) mounted on the tray (<NUM>) and used to connect the plurality of batteries (<NUM>);
a circuit board (<NUM>) connected to the plurality of busbars (<NUM>); characterised by
a temperature measuring assembly comprising:
a first thermal conduction pad (<NUM>) and a second thermal conduction pad (<NUM>) respectively provided to an upper surface and a lower surface of the circuit board (<NUM>);
a plurality of first thermal conduction through-holes (<NUM>) penetrating the first thermal conduction pad (<NUM>), the second thermal conduction pad (<NUM>) and the circuit board (<NUM>);
a temperature sensor (<NUM>) which is provided to the upper surface or the lower surface of the circuit board (<NUM>) and is adjacent to the first thermal conduction pad (<NUM>) or the second thermal conduction pad (<NUM>); and
a bridging piece (<NUM>) connecting the corresponding busbar (<NUM>) and the first thermal conduction pad (<NUM>) or the second thermal conduction pad (<NUM>).