Sampling heat exchange assembly, battery assembly, battery pack and electric device

Abstract

The utility model discloses a kind of sampling heat exchange components, battery assembly, battery pack and electric equipment, sampling heat exchange component includes: circuit board, sampling circuit and heat exchange circuit. Wherein circuit board has first connecting point and second connecting point, sampling circuit is integrated in circuit board, and sampling circuit is connected with first connecting point;Heat exchange circuit is integrated in circuit board, and heat exchange circuit is connected with second connecting point;First connecting point is suitable for being connected with sampling module, and second connecting point is suitable for being connected with heat exchange module. According to the sampling heat exchange component of the utility model, by integrating sampling circuit and heat exchange circuit in circuit board, and connecting the connecting point on circuit board with external heat exchange module and sampling module, assembly process and operation time are reduced, assembly cost is reduced, and the overall structure of sampling heat exchange component is more compact, conducive to the lightweight design of battery assembly.

Description

Technical Field

[0001] This utility model relates to the field of power battery technology, and in particular to a sampling heat exchange component, a battery component, a battery pack, and an electrical device. Background Technology

[0002] In existing technologies, battery modules typically include a sampling module and a heating module. The sampling module collects voltage, temperature, and pressure signals from the battery cells, while the heating module heats the battery module. However, because these two modules are independently located on the battery module, workers must operate them independently during assembly, resulting in numerous assembly steps. Furthermore, each module requires its own components and control circuits, increasing the assembly cost. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, one objective of this invention is to provide a sampling heat exchange assembly that integrates the sampling circuit and the heat exchange circuit within a circuit board, and connects the connection points on the circuit board to an external heat exchange module and sampling module, thereby reducing assembly steps and operation time, and lowering assembly costs.

[0004] The second objective of this invention is to provide a battery assembly that includes the aforementioned sampling heat exchange component.

[0005] The third objective of this invention is to provide a battery pack comprising the aforementioned battery components.

[0006] The fourth objective of this invention is to provide an electrical device that includes the aforementioned battery pack.

[0007] A sampling heat exchange assembly according to a first aspect of the present invention includes: a circuit board having a first connection point and a second connection point; a sampling line integrated within the circuit board and connected to the first connection point; and a heat exchange line integrated within the circuit board and connected to the second connection point; wherein the first connection point is adapted to be connected to a sampling module, and the second connection point is adapted to be connected to a heat exchange module.

[0008] According to the present invention, the sampling heat exchange assembly integrates the sampling line and the heat exchange line into the circuit board, and connects the connection points on the circuit board to the external heat exchange module and sampling module. This reduces assembly steps and operation time, lowers assembly costs, and makes the overall structure of the sampling heat exchange assembly more compact, which is beneficial to the lightweight design of the battery assembly and reduces the complexity and error probability in the circuit connection process.

[0009] According to some embodiments of the present invention, the sampling heat exchange assembly further includes the heat exchange module, which is connected to the second connection point.

[0010] According to some embodiments of this utility model, the heat exchange module and the circuit board are integrally formed.

[0011] According to some embodiments of the present invention, the heat exchange module includes: a heat exchange membrane; a heat exchange element disposed within the heat exchange membrane, and the heat exchange element being electrically connected to the heat exchange line through the connection point.

[0012] According to some embodiments of the present invention, the heat exchange membrane is a flexible heat exchange membrane.

[0013] According to some embodiments of the present invention, the circuit board is provided with a plurality of heat exchange modules, and the plurality of heat exchange modules are connected in series with the heat exchange circuit.

[0014] According to some embodiments of the present invention, the plurality of heat exchange modules include: a plurality of first heat exchange modules, wherein the plurality of first heat exchange modules are connected in series with the heat exchange line, and the plurality of first heat exchange modules are all disposed on the same side of the width direction of the circuit board, and the plurality of first heat exchange modules are arranged at intervals along the length direction of the circuit board; and a plurality of second heat exchange modules, wherein the plurality of second heat exchange modules are connected in series with the heat exchange line, and the plurality of second heat exchange modules are all disposed on the other side of the width direction of the circuit board, and the plurality of second heat exchange modules are arranged at intervals along the length direction of the circuit board.

[0015] According to some embodiments of the present invention, the sampling heat exchange assembly further includes the sampling module, which is electrically connected to the first connection point.

[0016] According to some embodiments of the present invention, there are multiple sampling modules, including multiple first sampling modules and multiple second sampling modules. The multiple first sampling modules and multiple second sampling modules are arranged alternately along the length direction of the circuit board and distributed on both sides of the width direction of the circuit board. The length of the first sampling module is greater than the length of the second sampling module.

[0017] According to some embodiments of the present invention, the sampling circuit includes a voltage sampling circuit and / or a temperature sampling circuit.

[0018] According to some embodiments of this utility model, the circuit board is a flexible flat cable, a flexible die-cut circuit board, a flexible printed circuit board, or a printed circuit board.

[0019] According to some embodiments of the present invention, the circuit board includes: a first board segment; a second board segment disposed on one side of the first board segment in the thickness direction, wherein at least one of the first board segment and the second board segment is provided with a sampling module and / or a heat exchange module, the sampling module being electrically connected to the sampling line, the heat exchange module being electrically connected to the heat exchange line, and the sampling line and the heat exchange line being integrated in at least one of the first board segment and the second board segment; and a connecting board segment connecting the first board segment and the second board segment at the same end.

[0020] According to some embodiments of the present invention, the sampling heat exchange assembly further includes: a plug-in module disposed on the circuit board, the plug-in module being electrically connected to the sampling line and the heat exchange line respectively.

[0021] According to some embodiments of the present invention, the plug-in module is located at one end of the length direction of the circuit board.

[0022] According to some embodiments of the present invention, the plug-in module is provided with a sampling pin and a heat exchange pin, the sampling pin being electrically connected to the sampling line, and the heat exchange pin being electrically connected to the heat exchange line.

[0023] According to some embodiments of the present invention, the heat exchange pin is located outside the plug-in module relative to the sampling pin, and / or the size of the heat exchange pin is larger than the size of the sampling pin.

[0024] A battery assembly according to a second aspect of the present invention includes a sampling heat exchange component, wherein the sampling heat exchange component is the same as the sampling heat exchange component according to the first aspect of the present invention described above.

[0025] According to some embodiments of the present invention, the battery assembly further includes a battery management system, which is electrically connected to the plug-in module of the sampling heat exchange assembly.

[0026] According to some embodiments of the present invention, the heat exchange module of the sampling heat exchange component is attached to the outer surface of the battery cell of the battery component.

[0027] A battery pack according to a third aspect of the present invention includes a sampling heat exchange component according to the first aspect of the present invention, or a battery assembly according to the second aspect of the present invention.

[0028] The electrical equipment according to the fourth aspect of the present invention includes a sampling heat exchange component according to the first aspect of the present invention, a battery component according to the second aspect of the present invention, or a battery pack according to the third aspect of the present invention.

[0029] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0030] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of a sampling heat exchange component according to an embodiment of the present utility model; Figure 2 This is a schematic diagram of a battery pack according to an embodiment of the present utility model; Figure 3 yes Figure 2 Enlarged view of point A in the middle; Figure 4 This is another schematic diagram of a battery pack according to an embodiment of the present utility model.

[0032] Explanation of reference numerals in the attached figures: 100. Sampling heat exchange assembly; 10. Circuit board; 11. First board segment; 12. Second board segment; 13. Connecting board segment; 20. Heat exchange module; 21. Heat exchange film; 22. First heat exchange module; 23. Second heat exchange module; 30. Sampling module; 31. Voltage sampling module; 311. First sampling module; 312. Second sampling module; 32. Temperature sampling module; 40. Plug-in module; 41. Sampling pin; 42. Heat exchange pin; 200. Battery components; 50. Battery cell; 60. Mounting bracket; 70. Connecting piece; 80. Battery management system; 300. Battery pack. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. Figures 1-4 A sampling heat exchange component 100 according to a first aspect embodiment of the present invention is described.

[0034] like Figures 1-2As shown, the sampling heat exchange assembly 100 according to a first aspect embodiment of the present invention includes: a circuit board 10, a sampling line (not shown), and a heat exchange line (not shown). The circuit board 10 has a first connection point and a second connection point (not shown). The sampling line is integrated within the circuit board 10 and connected to the first connection point. The heat exchange line is integrated within the circuit board 10 and connected to the second connection point. The first connection point is adapted to connect to a sampling module 30, and the second connection point is adapted to connect to a heat exchange module 20.

[0035] For example, in Figures 1-2 In the example, the circuit board 10 is a long strip structure. Multiple battery cells 50 are provided on both sides of the circuit board 10. The length direction of the circuit board 10 is perpendicular to the axis of the battery cells 50. The heat exchange module 20 is located on both sides of the length direction of the circuit board 10 and is in contact with the battery cells 50.

[0036] By integrating the sampling circuit and the heat exchange circuit into the same circuit board 10, only one integrated circuit board 10 needs to be installed during assembly. The first connection point and the second connection point on the circuit board 10 are then connected to the external sampling module 30 and heat exchange module 20, respectively. Compared with the traditional method of installing sampling and heating modules separately, this significantly reduces assembly steps and operation time. Moreover, integrating the sampling circuit and the heat exchange circuit into the same circuit board 10 reduces the use of duplicate parts compared with the traditional method of equipping sampling and heating modules with their own independent components (housing, connectors, etc.). This not only reduces assembly costs but also makes the overall structure more compact, which is beneficial for the lightweight design of the battery pack 200. In addition, with the sampling circuit and the heat exchange circuit integrated into the same circuit board 10, the connection points between the circuit board 10 and the cell 50 and other components are relatively concentrated, reducing the complexity and error probability in the wiring process.

[0037] According to the sampling heat exchange assembly 100 of this utility model, by integrating the sampling line and the heat exchange line in the circuit board 10 and connecting the connection point on the circuit board 10 to the external heat exchange module 20 and sampling module 30, the assembly process and operation time are reduced, the assembly cost is reduced, and the overall structure of the sampling heat exchange assembly 100 is more compact, which is conducive to the lightweight design of the battery assembly 200 and reduces the complexity and error probability in the wiring process.

[0038] It should be noted that, along the width direction of the circuit board 10, the heat exchange line is located outside the sampling line, and each cell 50 is provided with an output and input interface at the position corresponding to the circuit board 10. The sampling line is provided with a sampling interface at the position corresponding to the position of each cell 50 and the circuit board 10.

[0039] Specifically, the sampling heat exchange assembly 100 also includes the heat exchange module 20, which is connected to the second connection point. Integrating the heat exchange module 20 onto the sampling heat exchange assembly 100 facilitates the overall design of the sampling heat exchange assembly 100.

[0040] In some alternative embodiments, the heat exchange module 20 and the circuit board 10 are integrally molded, which is beneficial to the overall design of the sampling heat exchange assembly 100.

[0041] According to some embodiments of the present invention, the heat exchange module 20 includes a heat exchange membrane 21 and a heat exchange element (not shown in the figure). The heat exchange element is disposed inside the heat exchange membrane 21 and is electrically connected to the heat exchange line through a connection point.

[0042] like Figure 2 As shown, the heat exchange element inside the heat exchange film 21 essentially acts as a heating resistor. When the circuit passes through the heat exchange element, the heat exchange element generates heat, thereby heating the battery cell 50. This configuration allows the heat exchange film 21 to provide a large heat exchange area, ensuring sufficient contact with components such as the battery cell 50, effectively improving heat transfer efficiency. Moreover, since the heat exchange element is integrated within the heat exchange film 21, it occupies less space compared to independently installed heat exchange components, which is beneficial for the miniaturization design of the battery assembly 200. Furthermore, the direct electrical connection between the heat exchange element and the heat exchange circuit reduces intermediate connection links, lowers the probability of electrical faults, and ensures the stability of the electrical connection during the operation of the heat exchange module 20.

[0043] According to some embodiments of this utility model, the heat exchange film 21 is a flexible heat exchange film 21. During assembly, the heat exchange film 21 is arranged on the outside of the battery cell 50 and pressed by contour features that match the outer surface features of the battery cell 50, effectively ensuring close contact with the outer surface of the battery cell 50. Therefore, the heat exchange film 21 can fit well with irregular surfaces such as the battery cell 50, adapting to the internal structure of battery components 200 of different shapes and sizes while ensuring the heat exchange effect of the heat exchange film 21, thereby ensuring the stability and reliability of the heat exchange module 20.

[0044] According to some embodiments of this utility model, the circuit board 10 is provided with a plurality of heat exchange modules 20, which are connected in series with heat exchange lines. In the description of this utility model, "a plurality of" means two or more.

[0045] For example, in Figure 2In the example, the number of heat exchange modules 20 can be 32, but is not limited to this. The number of heat exchange modules 20 matches the number of battery cells 50, that is, each battery cell 50 corresponds to one heat exchange module 20. This allows for precise temperature control of each battery cell 50, making the temperature of all battery cells 50 more uniform under different operating conditions. Consequently, the battery assembly 200 always operates within its optimal temperature range, improving the overall performance and lifespan of the battery assembly 200. In addition, multiple heat exchange modules 20 are connected in series with heat exchange circuits, allowing multiple heat exchange modules 20 to work collaboratively. This results in more uniform and stable heat output or absorption, ensuring consistent heating of all parts of the battery cell 50 and preventing battery performance from being affected by localized temperature differences.

[0046] According to some embodiments of the present invention, the plurality of heat exchange modules 20 include: a plurality of first heat exchange modules 22 and a plurality of second heat exchange modules 23.

[0047] Specifically, multiple first heat exchange modules 22 are connected in series with heat exchange lines, and all of the multiple first heat exchange modules 22 are disposed in the width direction of the circuit board 10 (e.g., Figure 2 On the same side (in the front-to-back direction), multiple first heat exchange modules 22 are arranged along the length direction of the circuit board 10 (e.g., in the front-to-back direction). Figure 2 The second heat exchange modules 23 are arranged at intervals in the left and right directions of the circuit board 10. Multiple second heat exchange modules 23 are connected in series with the heat exchange lines. The multiple second heat exchange modules 23 are all located on the other side of the width direction of the circuit board 10, and the multiple second heat exchange modules 23 are arranged at intervals along the length direction of the circuit board 10.

[0048] For example, in Figure 2 In the example, the number of first heat exchange modules 22 can be 16, the number of second heat exchange modules 23 can be 16, and the first heat exchange modules 22 and the second heat exchange modules 23 are opposite each other along the width direction of the circuit board 10.

[0049] By placing multiple first heat exchange modules 22 and multiple second heat exchange modules 23 on both sides of the width direction of the circuit board 10 and arranging them in an orderly manner along the length direction of the circuit board 10, the cells 50 can be quickly matched to the corresponding positions during assembly, simplifying the installation steps. Furthermore, the first heat exchange modules 22 can exchange heat on one side of the width direction of the circuit board 10, and the second heat exchange modules 23 can exchange heat on the other side of the width direction of the circuit board 10, making the temperature of all cells 50 more uniform under different operating conditions. This ensures that the battery assembly 200 always operates within its optimal temperature range, improving the overall performance and lifespan of the battery assembly 200. In addition, the arrangement of the first heat exchange modules 22 and the second heat exchange modules 23 fully utilizes the space around the circuit board 10, allowing a sufficient number of heat exchange modules 20 to be arranged within the limited installation space of the battery assembly 200. This accommodates different numbers and arrangements of cells 50, improving the space utilization rate of the battery assembly 200 and facilitating its miniaturization design.

[0050] According to some embodiments of this utility model, the sampling heat exchange assembly 100 further includes a sampling module 30, which is electrically connected to the first connection point. This configuration directly integrates the sampling module 30 onto the sampling heat exchange assembly 100 and electrically connects it to the first connection point, fully utilizing the space around the circuit board 10 and facilitating the overall design of the sampling heat exchange assembly 100. Simultaneously, the sampling module 30 and the heat exchange module 20 share the space around the circuit board 10, avoiding redundant use of the internal space of the battery pack 300, reducing the complexity of the overall structural design of the battery pack 300, and contributing to the miniaturization of the battery pack 300.

[0051] Specifically, there are multiple sampling modules 30, including multiple first sampling modules 311 and multiple second sampling modules 312. The multiple first sampling modules 311 and multiple second sampling modules 312 are arranged alternately along the length direction of the circuit board 10. The multiple first sampling modules 311 and multiple second sampling modules 312 are distributed on both sides of the width direction of the circuit board 10. The length of the first sampling module 311 is greater than the length of the second sampling module 312.

[0052] For example, in Figure 2In the example, the sampling module 30 includes a voltage sampling module 31 and a temperature sampling module 32. The voltage sampling module 31 includes a first sampling module 311 and a second sampling module 312. The number of voltage sampling modules 31 can be 14, of which the number of first sampling modules 311 can be 8 and the number of second sampling modules 312 can be 6, but is not limited thereto. Due to the different connection methods (series or parallel) of the sampling lines in the circuit board 10 and the different positions of the lead wires, the lengths of the first sampling module 311 and the second sampling module 312 are different.

[0053] The arrangement of the first sampling module 311 and the second sampling module 312 is compatible with different circuit layouts, making the assembly of the sampling module 30 more flexible. Simultaneously, workers can quickly match the position of the battery cell 50 according to the "alternating sides" layout, simplifying the installation process and improving assembly efficiency. Furthermore, multiple sampling modules 30 can sample the voltage of each battery cell 50, ensuring the comprehensiveness of the sampling data.

[0054] It should be noted that the voltage sampling module 31 can be made of nickel strips, copper busbars, aluminum strips, etc., and this application does not impose specific restrictions.

[0055] In some embodiments, the sampling module 30 and the circuit board 10 are integrally formed, which is beneficial to the overall design of the sampling heat exchange assembly 100.

[0056] Furthermore, there are multiple temperature sampling modules 32, which are spaced apart along the length of the circuit board 10.

[0057] like Figure 2 As shown, the temperature sampling module 32 has a roughly square structure. The number of temperature sampling modules 32 can be three, but is not limited to this. The three temperature sampling modules 32 are respectively located on both sides of the length direction of the circuit board 10 and in the middle of the circuit board 10. Two of the temperature sampling modules 32 are located on the same side of the width direction of the circuit board 10, and the third temperature sampling module 32 is located on the other side of the width direction of the circuit board 10. The three temperature sampling modules 32 can sample the temperature of the battery cell 50 located at different positions, ensuring the comprehensiveness of the sampling data. Moreover, when one temperature sampling module 32 fails, the remaining temperature sampling modules 32 can still continuously monitor the temperature of the battery cell 50, ensuring the normal operation of the sampling heat exchange assembly 100.

[0058] It should be noted that the temperature sampling module 32 can be an NTC (Negative Temperature Coefficient) thermistor, and this application does not impose any specific restrictions.

[0059] According to some embodiments of this utility model, the sampling circuit includes a voltage sampling circuit (not shown) and / or a temperature sampling circuit (not shown). The voltage sampling circuit is connected to the voltage sampling module 31, and the temperature sampling module 32 is connected to the temperature sampling circuit. The voltage and temperature sampling circuits are integrated on the circuit board 10, allowing simultaneous acquisition of voltage and temperature data from the battery cell 50, providing a comprehensive understanding of the battery cell 50's operating status and ensuring its operational stability. Furthermore, the integration of the voltage and temperature sampling circuits on the same circuit board 10 allows for simultaneous installation of both during assembly, significantly reducing assembly steps and operation time. This also makes the overall structure of the battery pack 300 more compact, contributing to its lightweight design.

[0060] It should be noted that the sampling points of the voltage sampling line can be made of nickel sheets, copper busbars, aluminum sheets, etc., and the sampling points are welded to the voltage sampling module 31 or the battery cell 50. This application does not impose specific restrictions.

[0061] According to some embodiments of the present invention, the circuit board 10 includes: a first board segment 11, a second board segment 12, and a connecting board segment 13. The second board segment 12 is disposed in the thickness direction of the first board segment 11 (e.g., ...). Figure 1 On one side (vertical direction), at least one of the first plate segment 11 and the second plate segment 12 is provided with a sampling module 30 and / or a heat exchange module 20. The sampling module 30 is electrically connected to a sampling line, and the heat exchange module 20 is electrically connected to a heat exchange line. The sampling line and the heat exchange line are integrated into at least one of the first plate segment 11 and the second plate segment 12. A connecting plate segment 13 connects the first plate segment 11 and the second plate segment 12 at the same end.

[0062] like Figure 1 As shown, the lengths of the first plate segment 11 and the second plate segment 12 are both greater than that of the connecting plate segment 13. The first plate segment 11, the second plate segment 12, and the connecting plate segment 13 surround the periphery of the cell array 50. A heat exchange module 20 is provided on both the first plate segment 11 and the second plate segment 12, and a sampling module 30 is provided on the first plate segment 11; or, both the first plate segment 11 and the second plate segment 12 are provided with a heat exchange module 20 and a sampling module 30 (not shown); or, one of the first plate segment 11 and the second plate segment 12 is provided with a sampling module 30, and the other of the first plate segment 11 and the second plate segment 12 is provided with a heat exchange module 20 (not shown); or, both the first plate segment 11 and the second plate segment 12 are provided with a sampling module 30, and the first plate segment 11 is provided with a heat exchange module 20 (not shown).

[0063] The structural design of the circuit board 10 can be adapted to the shape of the cell array 50, for example, in a cuboid cell array 50 (such as... Figure 2As shown, the three-section circuit board 10 can be naturally bent along the corner of the battery cell 50 array, which improves the fit between the circuit board 10 and the battery cell 50. This not only improves assembly efficiency, but also makes the layout of the sampling module 30 and the heat exchange module 20 more compatible with the battery cell 50, thereby improving the accuracy of data sampling and heat exchange efficiency.

[0064] It should be noted that the circuit board 10 can be a flexible circuit board such as FFC (Flexible Flat Cable), FDC (Flexible Die-cutting Circuit), FPC (Flexible Printed Circuit), or PCB (Printed Circuit Board), and this application does not impose specific restrictions.

[0065] According to some embodiments of the present invention, the sampling heat exchange assembly 100 further includes: a plug-in module 40, which is disposed on the circuit board 10 and is electrically connected to the sampling line and the heat exchange line respectively.

[0066] During assembly, the plug-in module 40 connects and interacts with the BMS (Battery Management System 80). This configuration requires only one plug-in module to connect the voltage sampling line, temperature sampling line, and heat exchange line, and to transmit the data from these lines to the BMS system. This avoids material waste caused by using multiple plug-ins, reduces assembly costs, and makes the overall structure of the sampling and heat exchange assembly 100 more compact, which is beneficial for the lightweight and integrated design of the battery assembly 200.

[0067] Specifically, the plug-in module 40 is located at one end of the length direction of the circuit board 10. For example... Figure 3 As shown, the plug-in module 40 is roughly a rectangular sheet structure, and the plug-in module 40 is located on the side of the first board segment 11 away from the connecting board segment 13.

[0068] With this configuration, the plug-in modules 40 are centrally located at one end of the circuit board 10. During assembly, simply connecting the sampling plug-in to the main connector of the battery management system 80 is sufficient to complete the signal transmission of the voltage sampling line, temperature sampling line, and heat exchange line. This avoids the complex operations caused by scattered wiring, reducing assembly complexity and labor costs. Simultaneously, the centralization of the plug-in modules 40 at one end of the circuit board 10 allows the sampling lines and heat exchange lines on the circuit board 10 to be arranged in an orderly manner along the length of the circuit board 10 (sampling lines converge from each sampling module 30 to the end plug-in, and heat exchange lines converge from each heat exchange module 20 to the end plug-in). This avoids the problems of wire crossing and tangling caused by the scattered layout of traditional wiring, improves the neatness of the wiring, reduces the risk of signal interference or short circuits caused by messy wiring, and enhances the operational reliability of the sampling heat exchange assembly 100.

[0069] Furthermore, the plug-in module 40 is provided with a sampling pin 41 and a heat exchange pin 42, the sampling pin 41 being electrically connected to the sampling line, and / or the heat exchange pin 42 being electrically connected to the heat exchange line.

[0070] like Figure 3 As shown, sampling pin 41 is electrically connected to the sampling line, and heat exchange pin 42 is electrically connected to the heat exchange line. Sampling pin 41 and heat exchange pin 42 are located in the width direction of plug-in module 40 (e.g., Figure 3 The sampling pin is located on the side of the circuit board 10 (in the up-down direction); or, only the sampling pin is electrically connected to the sampling line (not shown in the figure); or, only the heat exchange pin is electrically connected to the heat exchange line.

[0071] By integrating the sampling pin 41 and the heat exchange pin 42 onto the same plug-in module 40, the sampling signal and heat exchange power can be connected simultaneously with a single docking during assembly, which improves assembly efficiency and the integration level of the sampling heat exchange component 100.

[0072] Furthermore, the heat exchange pin 42 is located outside the plug-in module 40 relative to the sampling pin 41, and the size of the heat exchange pin 42 is larger than the size of the sampling pin 41.

[0073] like Figure 3 As shown, there are two heat exchange pins 42, which are located along the length of the plug-in module 40 (e.g., Figure 3 On both sides of the front and back direction of the plug-in module 40, there are 10 sampling pins 41, and the sampling pins 41 and heat exchange pins 42 are spaced apart along the length of the plug-in module 40.

[0074] Since the heat exchange module 20 needs to transmit a large current during operation, increasing the size of the heat exchange pin 42 reduces its contact resistance, thereby reducing power loss during current transmission. This meets the high current requirements of the heat exchange module 20 while preventing aging or burnout caused by overheating of the heat exchange pin 42, thus improving the operational stability and service life of the sampling heat exchange assembly 100. Furthermore, the larger size and outer location of the heat exchange pin 42 facilitate quick positioning by operators during assembly, improving assembly efficiency.

[0075] The battery assembly 200 according to the second aspect of the present invention includes a sampling heat exchange assembly 100, which is the sampling heat exchange assembly 100 according to the first aspect of the present invention described above.

[0076] According to the embodiment of the present utility model, the battery module 200, by adopting the above-mentioned sampling heat exchange component 100, reduces the assembly process and operation time, reduces the assembly cost, and makes the overall structure of the battery module 200 more compact, which is conducive to the lightweight design of the battery module 200 and reduces the complexity and error probability in the wiring connection process of the battery module 200.

[0077] In some optional embodiments, the battery assembly 200 further includes a battery management system 80, which is electrically connected to the plug-in module 40 of the sampling heat exchange assembly 100. The battery management system 80 can monitor and record the status of the sampling heat exchange assembly 100 in real time, ensuring that the sampling heat exchange assembly 100 and the battery assembly 200 operate efficiently and stably under different operating conditions.

[0078] According to some embodiments of the present invention, the heat exchange module 20 of the sampling heat exchange assembly 100 is attached to the outer surface of the cell 50 of the battery assembly 200.

[0079] For example, in Figure 2 In the example, there are 32 battery cells 50, arranged in two layers along the thickness direction of the circuit board 10. Sixteen cells 50 are located on the same side of the circuit board 10 in the width direction, and the other sixteen cells 50 are located on the other side. During assembly, the heat exchange film 21 is placed on the outside of the battery cells 50 and pressed against the outer surface of the battery cells 50 using contoured features that match the outer surface characteristics, effectively ensuring close contact. Therefore, the heat exchange film 21 can conform well to irregular surfaces such as the battery cells 50, adapting to the internal structure of battery components 200 of different shapes and sizes while ensuring the heat exchange effect of the heat exchange film 21, thereby ensuring the stability and reliability of the heat exchange module 20.

[0080] In some embodiments, the battery assembly 200 further includes two fixing brackets 60, each having multiple fixing holes, each corresponding to a battery cell 50. For example... Figure 2 As shown, two fixing brackets 60 are respectively located on the side of the battery cell 50 away from the circuit board 10. Each fixing bracket 60 has 16 fixing holes, the same number as the battery cell 50. The fixing brackets 60 serve to fix and limit the battery cell 50, preventing the battery cell 50 from shifting and ensuring the operational reliability of the battery assembly 200.

[0081] In some embodiments, the battery assembly 200 further includes a plurality of connecting tabs 70, which are connected to the battery cells 50. For example... Figure 2 As shown, there are 8 connecting pieces 70. The two ends of one connecting piece 70 are connected to two adjacent cells 50 respectively, which is used to realize the series and parallel connection of cells 50 and ensure the overcurrent during charging and discharging when the battery pack 200 is working.

[0082] According to the third aspect embodiment of the present utility model, the battery pack 300, such as Figures 2-4 As shown, it includes a sampling heat exchange component 100 according to the first aspect embodiment of the present invention, or a battery component 200 according to the second aspect embodiment of the present invention.

[0083] According to the embodiment of the present utility model, the battery pack 300, by adopting the above-mentioned sampling heat exchange component 100 or the above-mentioned battery component 200, reduces the assembly process and operation time, lowers the assembly cost, and makes the overall structure of the battery pack 300 more compact, which is conducive to the lightweight design of the battery pack 300.

[0084] Other configurations and operations of the battery pack 300 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0085] The electrical device (not shown) according to the fourth aspect embodiment of the present invention includes a sampling heat exchange component 100 according to the first aspect embodiment of the present invention, or a battery component 200 according to the second aspect embodiment of the present invention, or a battery pack 300 according to the third aspect embodiment of the present invention.

[0086] According to the embodiments of the present invention, by adopting the above-mentioned sampling heat exchange component 100, the above-mentioned battery component 200 or the above-mentioned battery pack 300, the assembly process and operation time are reduced, the assembly cost is reduced, and the overall structure of the electrical equipment is made more compact, which is conducive to the lightweight design of the electrical equipment.

[0087] It should be noted that electrical equipment includes vehicles, etc., and this application does not impose specific restrictions on this.

[0088] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0089] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0090] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0091] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A sampling heat exchange component, characterized in that, include: A circuit board having a first connection point and a second connection point; A sampling line, which is integrated within the circuit board and connected to the first connection point; A heat exchange circuit is integrated within the circuit board and is connected to the second connection point. The first connection point is adapted to be connected to the sampling module, and the second connection point is adapted to be connected to the heat exchange module.

2. The sampling heat exchange component according to claim 1, characterized in that, The sampling heat exchange assembly also includes the heat exchange module, which is connected to the second connection point.

3. The sampling heat exchange component according to claim 2, characterized in that, The heat exchange module and the circuit board are integrally formed.

4. The sampling heat exchange component according to claim 3, characterized in that, The heat exchange module includes: Heat exchange film; A heat exchanger is disposed within the heat exchange membrane and is electrically connected to the heat exchange line via the connection point.

5. The sampling heat exchange component according to claim 4, characterized in that, The heat exchange membrane is a flexible heat exchange membrane.

6. The sampling heat exchange assembly according to claim 1, characterized in that, The circuit board is provided with multiple heat exchange modules, and the multiple heat exchange modules are connected in series with the heat exchange circuit.

7. The sampling heat exchange component according to claim 6, characterized in that, The plurality of heat exchange modules include: Multiple first heat exchange modules are connected in series with the heat exchange line. All multiple first heat exchange modules are located on the same side of the width direction of the circuit board. The multiple first heat exchange modules are arranged at intervals along the length direction of the circuit board. Multiple second heat exchange modules are connected in series with the heat exchange line. The multiple second heat exchange modules are all located on the other side of the width direction of the circuit board. The multiple second heat exchange modules are arranged at intervals along the length direction of the circuit board.

8. The sampling heat exchange component according to claim 1, characterized in that, The sampling heat exchange assembly further includes the sampling module, which is electrically connected to the first connection point.

9. The sampling heat exchange component according to claim 8, characterized in that, The sampling module comprises multiple first sampling modules and multiple second sampling modules, which are arranged alternately along the length of the circuit board and distributed on both sides of the width of the circuit board. The length of the first sampling module is greater than the length of the second sampling module.

10. The sampling heat exchange assembly according to claim 1, characterized in that, The sampling circuit includes a voltage sampling circuit and / or a temperature sampling circuit.

11. The sampling heat exchange assembly according to claim 1, characterized in that, The circuit board is a flexible flat cable, a flexible die-cut circuit board, a flexible printed circuit board, or a printed circuit board.

12. The sampling heat exchange assembly according to claim 1, characterized in that, The circuit board includes: First section; The second plate segment is disposed on one side of the thickness direction of the first plate segment. At least one of the first plate segment and the second plate segment is provided with a sampling module and / or a heat exchange module. The sampling module is electrically connected to the sampling line, and the heat exchange module is electrically connected to the heat exchange line. The sampling line and the heat exchange line are integrated in at least one of the first plate segment and the second plate segment. A connecting plate segment, which is connected between the first plate segment and the second plate segment at the same end.

13. The sampling heat exchange assembly according to any one of claims 1-12, characterized in that, Further includes: A plug-in module is mounted on the circuit board and is electrically connected to the sampling line and the heat exchange line, respectively.

14. The sampling heat exchange assembly according to claim 13, characterized in that, The plug-in module is located at one end of the circuit board along its length.

15. The sampling heat exchange assembly according to claim 13, characterized in that, The plug-in module is equipped with a sampling pin and a heat exchange pin. The sampling pin is electrically connected to the sampling line, and the heat exchange pin is electrically connected to the heat exchange line.

16. The sampling heat exchange assembly according to claim 15, characterized in that, The heat exchange pin is located outside the plug-in module relative to the sampling pin, and / or the size of the heat exchange pin is larger than the size of the sampling pin.

17. A battery assembly, characterized in that, include: A sampling heat exchange component, wherein the sampling heat exchange component is the sampling heat exchange component according to any one of claims 1-16.

18. The battery assembly according to claim 17, characterized in that, Also includes: A battery management system is electrically connected to the plug-in module of the sampling heat exchange component.

19. The battery assembly according to claim 17, characterized in that, The heat exchange module of the sampling heat exchange component is attached to the outer surface of the battery cell of the battery component.

20. A battery pack, characterized in that, It includes the sampling heat exchange component according to any one of claims 1-16, or the battery component according to any one of claims 17-19.

21. An electrical appliance, characterized in that, It includes the sampling heat exchange component according to any one of claims 1-16, or the battery component according to any one of claims 17-19, or the battery pack according to claim 20.

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