Harvesting integrated assembly and battery pack

Abstract

The embodiment of the application provides a kind of acquisition integrated assembly and battery pack, acquisition integrated assembly includes insulating plate, short-circuit row, output row and acquisition piece, insulating plate is integrally provided with first mounting portion, second mounting portion and third mounting portion;Short-circuit row is used for bridging the positive pole and the negative pole of two batteries, short-circuit row is fixed to the first mounting portion, short-circuit row has guide hole, and the guide hole is clamped with the positioning element of the first mounting portion;Output row is used for outputting the electric energy of battery module, and output row is fixed to the second mounting portion;Acquisition piece is used for collecting the signal of battery module, and acquisition piece is fixed to the third mounting portion.The application is positioned and fixed to the insulating row by short-circuit row, output row and acquisition piece quickly, improves the assembly processing efficiency and working yield of acquisition integrated assembly, and finally guarantees the normal stable work of battery pack.

Description

Technical Field

[0001] This application relates to the field of battery technology, and in particular to a data acquisition integration component and a battery pack. Background Technology

[0002] With the continuous development of the new energy industry, energy storage batteries have gradually been integrated into people's daily production and life, and are widely used in new energy vehicles, home energy storage, industrial and commercial energy storage and other fields. As a key electrical connection system component of battery modules, the integrated busbar (Cells Contact System, CCS) is usually composed of PC sheets, shorting busbars, data acquisition harnesses, cable ties for fixing the harnesses and fixing adhesive. During production and processing, separate molds are required to position the PC sheets and manually apply adhesive, and then change tooling to manually attach the shorting busbars or output busbars. The data acquisition harnesses are fixed by welding, screw pressing or glue application. Each process requires different positioning tooling or fixtures, which is inefficient and prone to errors. Utility Model Content

[0003] This application proposes a data acquisition integration component and a battery pack. By designing the structures of the insulating plate, shorting bar, output bar, and data acquisition component accordingly, the shorting bar, output bar, and data acquisition component can be quickly positioned and fixed to the insulating bar, which helps to improve the assembly and processing efficiency and working yield of the data acquisition integration component.

[0004] In a first aspect, embodiments of this application propose a data acquisition integrated component, including an insulating plate, a shorting bar, an output bar, and a data acquisition element. The insulating plate is integrally provided with a first mounting portion, a second mounting portion, and a third mounting portion. The first mounting portion has a first battery terminal hole, and the second mounting portion has a second battery terminal hole. Both the first and second battery terminal holes are used to expose the positive and negative terminals of the battery. The shorting bar is used to bridge the positive and negative terminals of the two batteries. The shorting bar is fixed to the first mounting portion and electrically connects the exposed positive and negative terminals. The shorting bar has a guide hole that cooperates with a positioning element of the first mounting portion. The output bar is used to output the electrical energy of the battery module. The output bar is fixed to the second mounting portion and electrically connects the exposed positive and negative terminals. The data acquisition element is used to acquire the signal of the battery module and is fixed to the third mounting portion.

[0005] This application integrates the first mounting part, the second mounting part, and the third mounting part into an insulating plate, and uses guide holes and positioning parts for positioning, so that the shorting bar, the output bar, and the acquisition unit can be directly and quickly fixed to the insulating plate, which helps to reduce operating time and reduce the defect rate caused by multiple assembly processes in the prior art.

[0006] In one possible implementation, the positioning element has a channel communicating with the guide hole, and the channel is riveted to the guide hole. In this embodiment, by providing a hollow positioning post on the insulating plate, the positioning post is used for snap-fit ​​positioning with the guide hole, and the hollow channel is used for riveting with the guide hole, which facilitates the rapid positioning and installation of the short connector.

[0007] In one possible implementation, there are two first battery terminal holes, arranged sequentially along the direction of the shorting bar bridging two adjacent batteries, including one first battery terminal hole, a positioning element, and the other first battery terminal hole. This embodiment of the application provides a first fixing hole corresponding to the first guide hole of the shorting bar in the empty space between the two battery terminal holes, without occupying additional space in the first mounting portion, which helps to make the structure of the data acquisition integration component more compact and simple.

[0008] In one possible implementation, there are at least two first mounting portions along the direction between the positive and negative terminals of the battery. A second mounting portion and at least one first mounting portion are located on opposite sides of a third mounting portion. Along the direction where the shorting bar spans two adjacent batteries, the second mounting portions and at least one first mounting portion are arranged sequentially. In this embodiment, by having a shorting bar span the positive and negative terminals of two adjacent batteries in the battery module—for example, the first shorting bar spans the positive terminal of the first battery and the negative terminal of the second battery, and the second shorting bar spans the positive terminal of the second battery and the negative terminal of another adjacent battery—and since the first battery, the second battery, and the other adjacent battery are parallel to each other and arranged sequentially, the first and second shorting bars are located on opposite sides of the battery along the direction between its positive and negative terminals, schematically forming a roughly S-shaped bend. This allows the data acquisition integration component to output the electrical energy of more batteries within a limited space and simultaneously acquire signals from the batteries, which is beneficial for improving the working efficiency of the data acquisition integration component.

[0009] In one possible implementation, the third mounting part has a first clearance hole, and the collecting part has a second clearance hole. The first clearance hole and the second clearance hole are connected in sequence along a direction perpendicular to the insulating plate. The first clearance hole and the second clearance hole are used for the electrolyte sprayed from the battery to pass through. For example, when the battery experiences thermal runaway, the battery's explosion relief valve bursts, and the electrolyte is sprayed out from the first clearance hole and the second clearance hole, which helps to reduce the risk of thermal runaway spreading from the battery.

[0010] In one possible implementation, there are at least two first clearance holes, with at least one first clearance hole located between the first battery terminal hole and the second battery terminal hole, and at least one first clearance hole located between one first battery terminal hole and another first battery terminal hole. This embodiment of the application, by utilizing the space between the first and second battery terminal holes on different sides, and the space between two first battery terminal holes on different sides, can effectively avoid the electrolyte ejected from at least two battery venting valves, while requiring no additional space, thus contributing to a compact and simple structure for the integrated assembly.

[0011] In one possible implementation, the insulating plate has a groove located on the side of the second mounting portion opposite to the third mounting portion; the inner wall of the groove has a through hole for the electrolyte sprayed from the battery to pass through. This embodiment of the application, by providing a groove on the side of the second mounting portion opposite to the third mounting portion (i.e., the groove is located beside the battery), allows the groove to collect the electrolyte sprayed from the battery when thermal runaway occurs. The electrolyte is then discharged through the through hole at the bottom of the groove, reducing the amount of electrolyte accumulating between the positive and negative electrodes of a normal battery and further reducing the risk of thermal runaway propagation.

[0012] In one possible implementation, the data acquisition unit includes a substrate and at least two data acquisition chips. At least one data acquisition chip is positioned between the substrate and the jumper bar, and at least one data acquisition chip is positioned between the substrate and the output bar. By positioning the data acquisition chips on the jumper bar and the output bar, the data acquisition unit can efficiently acquire key parameters of the battery module such as temperature and voltage. At the same time, it eliminates the need for other data acquisition components that require additional space, such as wiring harnesses, which further simplifies the structure of the data acquisition integration assembly.

[0013] In one possible implementation, the substrate includes a main body and connecting portions, with at least two connecting portions. At least one connecting portion is located between the main body and the shorting bar, and at least one connecting portion is located between the main body and the output bar. The connecting portions are electrically connected to the acquisition chip. Along the direction between the positive and negative terminals of the battery, two concave bending sections are respectively provided on opposite sides of the connecting portions. This embodiment of the application, by providing concave bending sections on both sides of the connecting portions along the branch lines of the acquisition chip, can release the repeated micro-deformation stress during battery charging and discharging, avoid damaging the acquisition branch lines of the acquisition chip, and ultimately ensure the normal operation of the acquisition integration assembly.

[0014] In one possible implementation, the connecting portion includes a thin filament conductor, which is located on the side of the concave bend section away from the data acquisition unit along the direction of bridging two adjacent batteries. This embodiment of the application provides a thin filament conductor on the connecting portion of each data acquisition unit. When an external short circuit occurs in the battery module electrically connected to the data acquisition unit, the thin filament conductor can quickly melt and break under high temperature and high pressure, forming a disconnection protection.

[0015] In one possible implementation, the acquisition device further includes a connector located at one end of the substrate adjacent to the second mounting portion. The connector is used to collect the signals acquired by the acquisition chip and centrally output the signals. In this embodiment, by providing a connector, such as a wire-to-board connector, on the acquisition device, the connector collects the acquired signals, facilitating the use of plug harnesses mated to the connector to flexibly and reliably connect the acquisition device to the corresponding acquisition module of the battery system, such as the Battery Management System (BMS). This is beneficial for the efficient output of signals collected by the integrated acquisition components.

[0016] Secondly, embodiments of this application propose a battery pack, including a battery module and a data acquisition integration component as described in the first aspect. The battery module is electrically connected to the data acquisition integration component, and the battery module is disposed on the side of an insulating plate away from the data acquisition component.

[0017] This application achieves efficient power output from the battery module and real-time monitoring of the battery module's status by collecting signals from multiple individual cells in the integrated battery module series and parallel connection, and by collecting signals from the battery module in real time through the acquisition device, ultimately ensuring the normal operation of the battery pack. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the battery pack structure provided in the embodiments of this application;

[0019] Figure 2 This is a schematic diagram of the structure of the data acquisition and integration component provided in the embodiments of this application;

[0020] Figure 3 This is a schematic diagram of the mating structure of the insulating plate and the battery provided in the embodiments of this application;

[0021] Figure 4 This is a schematic diagram of the cooperative structure of the shorting bar, output bar, and acquisition component provided in the embodiments of this application;

[0022] Figure 5 This is a schematic diagram of the structure of the acquisition device provided in the embodiments of this application;

[0023] Figure 6 yes Figure 5 A magnified schematic diagram of the structure at point A in the middle.

[0024] Figure label:

[0025] 1000-Battery pack; 100-Data acquisition integration assembly; 1-Insulating plate; 11-First mounting part; 111-First battery terminal hole; 112-First positioning element; 113-Third clearance hole; 12-Second mounting part; 121-Second battery terminal hole; 122-Second positioning element; 123-Fourth clearance hole; 13-Third mounting part; 131-Third positioning element; 132-First clearance hole; 14-Groove; 141-Through hole; 2-Short circuit; 21-First guide hole; 3-Output circuit; 31-Second guide hole; 4-Data acquisition element; 41-Third guide hole; 42-Second clearance hole; 43-Substrate; 431-Main body; 432-Connecting part; 4321-Concave bending section; 4322-Fine filament conductor; 44-Data acquisition piece; 45-Connector; 5-Fastener;

[0026] 200 - Battery module; 201 - Battery; 2011 - Positive terminal; 2012 - Negative terminal; 201a - First battery; 201b - Second battery; 201c - Third battery; 201d - Fourth battery;

[0027] 300-lower box; Detailed Implementation

[0028] For ease of understanding, the relevant technical terms involved in the embodiments of this application will be explained and described below.

[0029] In the description of the embodiments in this application, unless otherwise stated, "multiple" means two or more.

[0030] The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of technical features indicated. Features specified as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0031] The directional terms mentioned in the embodiments of this application, such as "upper," "lower," "front," "back," "left," "right," "inner," "outer," "side," "top," and "bottom," are only for reference to the directions in the accompanying drawings. These directional terms are used to better and more clearly explain and understand the embodiments of this application, and are not intended to explicitly or implicitly suggest that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, etc., and therefore should not be construed as limiting the embodiments of this application.

[0032] With the continuous development of the new energy industry, energy storage batteries have gradually been integrated into people's daily production and life, and are widely used in new energy vehicles, home energy storage, industrial and commercial energy storage and other fields. As a key electrical connection system component of battery modules, the integrated busbar (Cells Contact System, CCS) is usually composed of PC sheets, shorting busbars, data acquisition harnesses, cable ties for fixing the harnesses and fixing adhesive. During production and processing, separate molds are required to position the PC sheets and manually apply adhesive, and then change tooling to manually attach the shorting busbars or output busbars. The data acquisition harnesses are fixed by welding, screw pressing or glue application. Each process requires different positioning tooling or fixtures, which is inefficient and prone to errors.

[0033] This application proposes a data acquisition integration component and a battery pack. By designing the structures of the insulating plate, shorting bar, output bar, and data acquisition component accordingly, the insulating plate, shorting bar, output bar, and data acquisition component can cooperate with each other and be integrated and assembled, which helps to ensure the assembly and processing efficiency and working yield of the data acquisition integration component.

[0034] Figure 1 This is a schematic diagram of the structure of the battery pack 1000 provided in the embodiments of this application. Figure 2 This is a schematic diagram of the structure of the data acquisition and integration component 100 provided in the embodiments of this application, combined with... Figure 1 and Figure 2 As shown, the battery pack 1000 may include a battery module 200 and a data acquisition integration component 100. The battery module 200 may include multiple batteries 201, which may be arranged sequentially along the length of the battery pack 1000, or sequentially along the width of the battery pack 1000. Illustratively, the number of batteries 201 may be eight, with four batteries 201 arranged sequentially along the length of the battery pack 1000 to form a first battery row, and another four batteries 201 arranged sequentially along the length of the battery pack 1000 to form a second battery row. The first and second battery rows may be arranged sequentially along the width of the battery pack 1000. Battery 201 includes a positive terminal 2011 and a negative terminal 2012. Any two adjacent batteries 201 are placed parallel to each other in opposite directions. Schematic, the positive terminal 2011 of one battery 201 is flush with or opposite to the negative terminal 2012 of any adjacent battery 201, and the negative terminal 2012 of one battery 201 is flush with or opposite to the positive terminal 2011 of any adjacent battery 201. Battery module 200 can be used in electronic products, such as terminal devices and electric vehicles, to provide power.

[0035] Combination Figure 1 and Figure 2As shown, the data acquisition integration component 100 includes a shorting bar 2, an output bar 3, an insulating plate 1, and a data acquisition element 4. The shorting bar 2 is used to bridge the positive terminal 2011 and negative terminal 2012 of two adjacent batteries 201. Specifically, the positive terminal 2011 of one battery 201 is flush with or opposite to the negative terminal 2012 of any adjacent battery 201. The shorting bar 2 is electrically connected to the positive terminal 2011 of one battery 201, and also electrically connected to the negative terminal 2012 of any adjacent battery 201, thus enabling the positive terminal 2011 of one battery 201 to be electrically connected to the negative terminal 2012 of any adjacent battery 201. By forming electrical connections between multiple shorting bars 2 and multiple sets of positive terminals 2011 and negative terminals 2012 of adjacent batteries 201, multiple batteries 201 can be connected in series or parallel, which is beneficial to the efficient output of electrical energy from the battery module 200. Indicatively, the shorting busbar 2 can be made of copper or aluminum. The surface of the shorting busbar 2, except for the area where it is welded / connected to the positive terminal 2011 or negative terminal of the battery 201, can be plated with nickel, tin, or covered with an insulating coating to improve the conductivity, corrosion resistance and weldability of the shorting busbar 2.

[0036] Combination Figure 1 and Figure 2 As shown, the output busbar 3 can be used to output electrical energy from the battery module 200. The output busbar 3 can be electrically connected to the positive terminal 2011 or the negative terminal 2012 of the battery 201. In one possible implementation, there are two output busbars 3, each electrically connected to the positive terminal 2011 and the negative terminal 2012, respectively, such that one output busbar 3 is the positive output terminal of the battery module 200, and the other output busbar 3 is the negative output terminal of the battery module 200. Illustratively, the output busbar 3 can also be made of copper or aluminum, and the surface of the output busbar 3, except for the area welded / connected to the positive or negative terminal 2011 of the battery 201, can be nickel-plated, tin-plated, or covered with an insulating coating to improve the conductivity, corrosion resistance, and weldability of the shorting busbar 2. Compared to the shorting bar 2, since the output bar 3 is used to output the total electrical energy of the battery module 200, the cross-sectional area of ​​the output bar 3 along its output port direction is larger than the cross-sectional area of ​​the shorting bar 2 along the output bar 3 along its output port direction.

[0037] Combination Figure 1 and Figure 2As shown, a data acquisition unit 4 is electrically connected to a jumper bar 2. Data acquisition unit 4 can be used to acquire information about the battery that has established an electrical connection with jumper bar 2. Data acquisition unit 4 is also electrically connected to an output bar 3. Data acquisition unit 4 can be used to acquire information about the battery that has established an electrical connection with output bar 3. In other words, data acquisition unit 4 can be used to acquire information about the battery module 200. Schematic, data acquisition unit 4 can be a flexible printed circuit board (FPC), which can consist of a flexible insulating substrate (such as polyimide PI) and copper wires etched onto it.

[0038] Combination Figure 1 and Figure 2 As shown, the insulating plate 1 can be used to provide a precise positioning, mounting, and support platform for all other metal and electronic components of the data acquisition integration assembly 100. The insulating plate 1 can also ensure sufficient creepage distance and clearance between metal bars such as the shorting bar 2 and output bar 3 at different potentials (e.g., adjacent cell positive and negative terminals, module output positive and negative terminals), and between the metal bars and the housing of the battery module 200, to prevent short circuits. The insulating plate 1 can be integrally provided with a first mounting portion 11, a second mounting portion 12, and a third mounting portion 13. The shorting bar 2 is fixed to the first mounting portion 11, the output bar 3 is fixed to the second mounting portion 12, and the data acquisition component 4 is fixed to the third mounting portion 13. The first mounting portion 11 has a first battery terminal hole 111, which can be used to expose the positive terminal 2011 and the negative terminal 2012 of the battery 201. The shorting bar 2 can partially cover the first battery terminal hole 111, that is, the positive terminal 2011 of the battery 201 can pass through the first battery terminal hole 111 and form an electrical connection with the shorting bar 2, or the negative terminal 2012 of the battery 201 can pass through the first battery terminal hole 111 and form an electrical connection with the shorting bar 2. The second mounting part 12 has a second battery terminal hole 121, which can be used to expose the positive terminal 2011 and the negative terminal 2012 of the battery 201. The output row 3 can partially cover the second battery terminal hole 121, that is, the positive terminal 2011 of the battery 201 can pass through the second battery terminal hole 121 and form an electrical connection with the output row 3, or the negative terminal 2012 of the battery 201 can pass through the second battery terminal hole 121 and form an electrical connection with the output row 3.

[0039] Combination Figure 1 and Figure 2As shown, the first mounting part 11 has a first positioning member 112, and the shorting bar 2 has a first guide hole 21. The first positioning member 112 and the first guide hole 21 can cooperate with each other. For example, the first positioning member 112 can protrude from the first mounting part 11. The minimum radial dimension of the first positioning member 112 along the first guide hole 21 is smaller than the diameter of the first guide hole 21. For example, the first positioning member 112 can be a cylinder, a cone, or a frustum, so that the first positioning member 112 can be engaged with the first guide hole 21 to achieve rapid positioning of the shorting bar 2 on the insulating plate 1. This application assembles the shorting bar 2, output bar 3, and acquisition component 4 onto the first mounting portion 11, second mounting portion 12, and third mounting portion 13 of the insulating plate 1, respectively, and uses the first positioning component 112 to engage with the first guide hole 21 for fixation. This replaces the method of assembling the acquisition integrated assembly 100 through adhesive application and wire harness assembly. This allows the shorting bar 2, output bar 3, and acquisition component 4 to be directly and quickly fixed to the insulating plate 1, reducing operating time and lowering the defect rate caused by multiple assembly processes in the prior art. Indicatively, the insulating plate 1 can be a polycarbonate (PC) film, i.e., PC film, which itself has excellent insulation and flame retardancy.

[0040] Combination Figure 1 and Figure 2 As shown, in one possible embodiment, the second mounting part 12 has a second positioning member 122, and the output row 3 has a second guide hole 31. The second positioning member 122 engages with the second guide hole 31, allowing the output row 3 to be directly and quickly fixed to the insulating plate 1. The third mounting part 13 has a third positioning member 131, and the collecting member 4 has a third guide hole 41. The third positioning member 131 engages with the third guide hole 41, allowing the collecting member 4 to be directly and quickly fixed to the insulating plate 1.

[0041] Figure 3 This is a schematic diagram of the mating structure of the insulating plate 1 and the battery provided in the embodiments of this application. Figure 1 , Figure 2 and Figure 3As shown, in one possible implementation, the acquisition integration component 100 further includes a fastener 5, and a first positioning member 112 has a channel communicating with a first guide hole 21, and the channel is riveted to the first guide hole 21. By providing a hollow first positioning member 112 with a channel on the insulating plate 1, the first positioning member 112 is used to engage with the first guide hole 21 for positioning to achieve rapid positioning of the shorting bar 2. The channel can be used to rivet with the first guide hole 21, ultimately achieving rapid positioning and installation of the shorting bar. For example, the fastener 5 can be a rivet, and the first positioning member 112 can be a hollow positioning post. By placing the rivet into the first guide hole 21 and the channel of the first positioning member 112 of the shorting pin 2, placing the rivet into the second guide hole 31 and the channel of the second positioning member 122 of the output pin 3, and placing the rivet into the third guide hole 41 and the channel of the third positioning member 131 of the acquisition member 4, the rivet or the insulating plate 1 is locally plastically deformed by pressure so that the rivet and the rivet hole interlock, so that the shorting pin 2, the output pin 3 and the acquisition member 4 can be permanently riveted and fixed to the insulating plate 1 with high mechanical strength.

[0042] Combination Figure 1 , Figure 2 and Figure 3As shown, in one possible implementation, there are two first battery terminal holes 111, meaning each first mounting portion 11 has two first battery terminal holes 111. Along the direction of the shorting bar 2 bridging two adjacent batteries, one first battery terminal hole 111, a first positioning member 112, and another first battery terminal hole 111 are arranged sequentially, i.e., the first positioning member 112 is located between one first battery terminal hole 111 and the terminal of another first battery 201a. It should be noted that the direction of the shorting bar 2 bridging two adjacent batteries 201 is the same direction in which multiple batteries 201 in the same column are arranged sequentially. Schematic illustration: The battery module 200 includes a first battery 201a, a second battery 201b, a third battery 201c, and a fourth battery 201d. The first battery 201a, second battery 201b, and third battery 201c are all arranged in the first column, with the first battery 201a, second battery 201b, the subsequent five batteries, and third battery 201c arranged sequentially along the length of the collecting element 4. The fourth battery 201d is arranged in the second column, with the fourth battery 201d and the subsequent seven batteries arranged sequentially along the length of the collecting element 4. That is, along the length of the collecting element 4, one first battery terminal hole 111, a first positioning element 112, and another first battery terminal hole 111 are arranged sequentially. It should be noted that the arrangement direction of the first battery terminal hole 111 and the first positioning member 112 described above is only one possible embodiment. In other possible embodiments, the arrangement direction of the first battery terminal hole 111 and the first positioning member 112 can also be along any other direction, as long as it satisfies the condition between the two first battery terminal holes 111 of the first mounting portion 11 of the first positioning member 112. In this embodiment, by setting the first positioning member 112 corresponding to the first guide hole 21 of the shorting bar 2 in the empty space between the two battery terminal holes, without occupying the extra space of the first mounting portion 11, it is beneficial to make the structure of the data acquisition integration component 100 more compact and simple.

[0043] Combination Figure 1 , Figure 2 and Figure 3As shown, in one possible implementation, there are at least two first mounting portions 11, arranged along the direction between the positive terminal 2011 and the negative terminal 2012 of the battery 201. A second mounting portion 12 and at least one first mounting portion 11 are located on opposite sides of a third mounting portion 13. The second mounting portions 12 and at least one first mounting portion 11 are arranged sequentially along the direction where the shorting bar 2 spans two adjacent batteries 201. Schematic, the direction between the positive terminal 2011 and the negative terminal 2012 of the battery 201 can be parallel to the width direction of the collecting element 4. Specifically, the output row 3 mounted on the second mounting part 12 is electrically connected to the negative terminal of the first battery 201a passing through the second battery terminal hole 121. Along the width direction of the acquisition element 4, a shorting row 2 mounted on the first mounting part 11, opposite to the output row 3, is electrically connected to the positive terminal of the first battery 201a passing through the first battery terminal hole 111, and this shorting row 2 is also electrically connected to the negative terminal of the second battery 201b passing through the first battery terminal hole 111. Another shorting row 2 can be electrically connected to the positive terminal of the second battery 201b passing through the first battery terminal hole 111. This other shorting row 2 can be arranged sequentially with the output row 3 electrically connected to the negative terminal of the first battery 201a along the direction where the shorting row 2 spans two adjacent batteries 201. In this embodiment, the wiring between the output row 3 and the shorting row 2, which are sequentially electrically connected to the battery module 200, can be approximately S-shaped. This allows the data acquisition integration component 100 to output the electrical energy of more batteries 201 within a limited space, while simultaneously acquiring signals from the batteries 201, thus improving the working efficiency of the data acquisition integration component 100. In another possible implementation, the number of first mounting parts 11 and shorting rows 2 is fifteen, and the number of second mounting parts 12 and output rows 3 is two. The number of batteries 201 is sixteen, with eight batteries 201 arranged sequentially along the length of the acquisition component 4, forming two rows of battery packs. The two rows of battery packs are connected by a shorting row 2 positioned along the width of the acquisition component 4 to achieve electrical connection between them.

[0044] Figure 4 This is a schematic diagram of the cooperative structure of the shorting bar 2, output bar 3, and acquisition element 4 provided in the embodiments of this application. Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, in one possible implementation, the third mounting part 13 has a first clearance hole 132, and the collecting part 4 has a second clearance hole 42. The first clearance hole 132 and the second clearance hole 42 are connected in sequence along the direction perpendicular to the insulating plate 1. The first clearance hole 132 and the second clearance hole 42 are used for the electrolyte sprayed from the battery to pass through. For example, when the battery experiences thermal runaway, the battery's explosion relief valve bursts, and the electrolyte is sprayed out from the first clearance hole 132 and the second clearance hole 42, which helps to reduce the risk of thermal runaway propagation of the battery.

[0045] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in one possible implementation, the number of first clearance holes 132 is at least two, at least one first clearance hole 132 is located between the first battery terminal hole 111 and the second battery terminal hole 121, and at least one first clearance hole 132 is located between one first battery terminal hole 111 and another first battery terminal hole 111. Specifically, a first clearance hole 132 can be located between the second battery terminal hole 121 exposing the negative terminal of the first battery 201a and the first battery terminal hole 111 exposing the positive terminal of the first battery 201a; a second clearance hole 42 can be located between the output row 3 electrically connected to the negative terminal of the first battery 201a and the shorting row 2 electrically connected to the positive terminal of the first battery 201a; another first clearance hole 132 can be located between the first battery terminal hole 111 exposing the negative terminal of the second battery 201b and the first battery terminal hole 111 exposing the positive terminal of the second battery 201b; and another second clearance hole 42 matching the first clearance hole 132 can be located between the shorting row 2 electrically connected to the negative terminal of the second battery 201b and the shorting row 2 electrically connected to the positive terminal of the second battery 201b. This embodiment of the application utilizes the space between the first battery terminal hole 111 and the second battery terminal hole 121 on different sides, as well as the space between the two first battery terminal holes 111 on different sides, to effectively avoid the electrolyte sprayed by at least two battery venting valves, without occupying additional space, which is beneficial to the compact and simple structure of the integrated component 100.

[0046] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, in one possible implementation, the insulating plate 1 has a groove 14 located on the side of the second mounting portion 12 opposite to the third mounting portion 13. Specifically, the groove 14 can be located between two battery rows, i.e., along the direction between the positive terminal 2011 and the negative terminal 2012 of the battery 201, with the first battery row, the groove 14, and the second battery row arranged sequentially; the groove 14 can also be located between two third mounting portions 13, i.e., along the width direction of the insulating plate 1, with one third mounting portion 13, the groove 14, and the other third mounting portion 13 arranged sequentially. Schematic, the groove 14 can be a recessed platform. The inner wall of the groove 14 has a through hole 141 for the electrolyte sprayed from the battery to pass through, the electrolyte flowing from the through hole 141 to the bottom of the lower casing 300 of the battery pack 1000. In this embodiment, a groove 14 is provided on the side of the second mounting portion 12 opposite to the third mounting portion 13, i.e., the groove 14 is located beside the battery. When the battery 201 experiences thermal runaway, the groove 14 can collect the electrolyte ejected from the battery 201 and discharge it through the through hole 141 at the bottom of the groove 14, reducing the electrolyte accumulation between the positive and negative electrodes of the normal battery 201 and further reducing the risk of thermal runaway propagation of the battery 201. In another possible embodiment, the number of grooves 14 can be four, and the four grooves 14 can be evenly arranged at intervals between the two third mounting portions 13 along the length direction of the collecting member 4. It should be noted that the number of grooves 14 can be determined according to the number of batteries 201 and the positional distribution of other components on the insulating plate 1. This embodiment does not limit the number of grooves 14, as long as the grooves 14 can be used to collect and disperse the electrolyte ejected from the battery 201.

[0047] Figure 5 This is a schematic diagram of the structure of the data acquisition component 4 provided in the embodiments of this application, combined with... Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, in one possible implementation, the acquisition component 4 includes a substrate 43 and acquisition pieces 44. The number of acquisition pieces 44 is at least two. At least one acquisition piece 44 is disposed between the substrate 43 and the shorting bar 2, and at least one acquisition piece 44 is disposed between the substrate 43 and the output bar 3. Indicatively, the acquisition pieces 44 can be fixedly connected to the shorting bar 2 and the output bar 3 by welding. Specifically, the first mounting portion 11 has a third clearance hole 113, and the second mounting portion has a fourth clearance hole 123. The third clearance hole 113 can be used to allow space for the acquisition piece 44 to be welded to the shorting bar 2, and the fourth clearance hole 123 can be used to allow space for the acquisition piece 44 to be welded to the output bar 3. By disposing of the acquisition pieces 44 on the shorting bar 2 and the output bar 3, the acquisition component 4 can efficiently acquire key parameters such as temperature and voltage of the battery module 200. At the same time, it eliminates the need for other acquisition components that require additional space, such as wiring harnesses, further simplifying the structure of the acquisition integration assembly 100. In another possible implementation, the number of acquisition pieces 44 can be eighteen, with two acquisition pieces 44 respectively welded to two output pins 3, another fourteen acquisition pieces 44 respectively welded to fourteen shorting pins 2 arranged along the length of the acquisition piece 4, and the last acquisition piece 44 welded to a shorting pin 2 that spans two battery packs along the width of the acquisition piece 4.

[0048] Figure 6 yes Figure 5 A magnified view of the structure at point A in the middle, combined with... Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, in one possible implementation, the substrate 43 may include a main body 431 and connecting portions 432. The number of connecting portions 432 is at least two, with at least one connecting portion 432 located between the main body 431 and the shorting bar 2, and at least one connecting portion 432 located between the main body 431 and the output bar 3. Schematably, the main body 431 may be a flexible circuit board (polyimide substrate) etched with precision copper wires. The acquisition piece 44 may be provided with voltage acquisition points and temperature sensors. The voltage acquisition points are electrically connected to the positive and negative terminals of each battery. The temperature sensors are typically NTC thermistors, mounted on preset temperature measurement points on the acquisition piece 44. The connecting portions 432 are electrically connected to the acquisition piece 44. Along the direction between the positive terminal 2011 and the negative terminal 2012 of the battery 201, two concave bending sections 4321 are respectively provided on opposite sides of the connecting portion 432. In this embodiment of the application, by providing concave bending sections 4321 on both sides of the branch line of the acquisition component 4, i.e. the connection part 432, the repeated micro deformation stress during the charging and discharging process of the battery can be released, so as to avoid damaging the acquisition branch line of the acquisition component 4 and ultimately ensure the normal operation of the acquisition integration component 100.

[0049] Combination Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, in one possible implementation, the connecting portion 432 includes a filament conductor 4322, which spans two adjacent batteries along the direction of the shorting bar 2. The filament conductor 4322 is located on the side of the concave bending section 4321 away from the acquisition piece 44. Indicatively, the filament conductor 4322 can be an exposed filamentous conductor; that is, the conductor portion of the connecting portion 432 can be wrapped by an insulating shell, with a portion of the conductor exposed outside the insulating shell. Its width is reduced through processes such as etching, thus obtaining the filament conductor 4322. In this embodiment, by providing a section of filament conductor 4322 on the connecting portion 432 of each acquisition piece 4, when an external short circuit occurs in the battery module 200 electrically connected to the acquisition piece 4, the filament conductor 4322 can quickly melt and break under high temperature and high pressure to form a disconnection protection.

[0050] Combination Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, in one possible implementation, the acquisition unit 4 further includes a connector 45. The connector 45 is located at one end of the substrate 43 adjacent to the second mounting portion 12. The connector 45 is used to collect the signals collected by the acquisition chip 44 and output the signals in a concentrated manner. In this embodiment, by providing a connector 45, such as a wire-to-board connector 45, on the acquisition unit 4, the connector 45 collects the various acquired signals. This facilitates the use of plug harnesses that mate with the connector 45 to flexibly and reliably connect the acquisition unit 4 to the corresponding acquisition module of the battery system, such as the Battery Management System (BMS), which is beneficial for the efficient output of the signals collected by the acquisition integration component 100.

[0051] Combination Figure 1 , Figure 2 and Figure 3 As shown, in one possible implementation, the battery module 200 is disposed on the side of the insulating plate 1 facing away from the acquisition element 4, that is, along the thickness direction of the battery pack 1000, the battery module 200, the insulating plate 1, and the acquisition element 4 are stacked sequentially. This embodiment of the application achieves efficient power output from the battery module 200 and real-time monitoring of its status by connecting multiple individual batteries of the battery module 200 in series and parallel through the acquisition integration component 100 and by collecting signals from the battery module 200 in real time through the acquisition element 4, ultimately ensuring the normal operation of the battery pack 1000.

[0052] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A collection integrated assembly, characterized by, include: An insulating plate integrally provides a first mounting portion, a second mounting portion, and a third mounting portion. The first mounting portion has a first battery terminal hole, and the second mounting portion has a second battery terminal hole. Both the first battery terminal hole and the second battery terminal hole are used to expose the positive terminal and the negative terminal of the battery. A shorting busbar is used to connect the positive and negative terminals of two batteries. The shorting busbar is fixed to the first mounting part and electrically connects the exposed positive and negative terminals. The shorting busbar has a guide hole that cooperates with the positioning element of the first mounting part. An output busbar is used to output electrical energy from the battery module. The output busbar is fixed to the second mounting part and is electrically connected to the exposed positive terminal and negative terminal. A data acquisition component is used to acquire signals from the battery module, and the data acquisition component is fixed to the third mounting part.

2. The collection integrated assembly of claim 1, wherein, The positioning element has a channel communicating with the guide hole, and the channel is riveted to the guide hole.

3. The collection integrated assembly of claim 2, wherein, The number of first battery terminal holes is two. Along the direction of the shorting bar bridging two adjacent batteries, one first battery terminal hole, the positioning member and the other first battery terminal hole are arranged in sequence.

4. The collection integrated assembly of claim 1, wherein, The number of first mounting portions is at least two, along the direction between the positive and negative terminals of the battery. The second mounting portion and at least one of the first mounting portions are respectively located on opposite sides of the third mounting portion, along the direction of the shorting bar bridging two adjacent batteries. The second mounting portion and at least one of the first mounting portions are arranged sequentially.

5. The collection integrated assembly of claim 4, wherein, The third mounting part has a first clearance hole, and the collecting element has a second clearance hole. Along the direction perpendicular to the insulating plate, the first clearance hole and the second clearance hole are connected in sequence, and the first clearance hole and the second clearance hole are used for the electrolyte sprayed by the battery to pass through.

6. The collection integrated assembly of claim 5, wherein, The number of the first clearance holes is at least two, at least one of the first clearance holes is located between the first battery terminal hole and the second battery terminal hole, and at least one of the first clearance holes is located between one first battery terminal hole and another first battery terminal hole.

7. The collection integrated assembly of claim 4, wherein, The insulating plate has a groove located on the side of the second mounting portion opposite to the third mounting portion; the inner wall of the groove has a through hole for the electrolyte sprayed from the battery to pass through.

8. The collection integrated assembly of claim 1, wherein, The acquisition device includes a substrate and acquisition pieces, and the number of acquisition pieces is at least two. At least one acquisition piece is disposed between the substrate and the shorting bar, and at least one acquisition piece is disposed between the substrate and the output bar.

9. The collection integrated assembly of claim 8, wherein, The substrate includes a main body and a connecting part. The number of connecting parts is at least two. At least one connecting part is located between the main body and the shorting bar, and at least one connecting part is located between the main body and the output bar. The connecting part is electrically connected to the acquisition chip. Along the direction between the positive and negative terminals of the battery, two concave bending sections are respectively provided on opposite sides of the connecting part.

10. The collection integrated assembly of claim 9, wherein, The connecting part includes a filament conductor that spans two adjacent batteries along the shorting bar. The filament conductor is located on the side of the concave bend section away from the acquisition plate.

11. The collection integrated assembly of claim 8, wherein, The acquisition device also includes a connector located at one end of the substrate adjacent to the second mounting portion. The connector is used to collect the signals acquired by the acquisition chip and output the signals in a centralized manner.

12. A battery pack comprising a battery module and the harvesting integrated assembly of any one of claims 1-11, wherein, The battery module is electrically connected to the data acquisition integration component, and the battery module is disposed on the side of the insulating plate opposite to the data acquisition component.

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