Battery module, battery pack and vehicle
By using clamping components and bracket assemblies in the battery module to ensure close contact between the temperature sampling component and the battery cell, the problem of low detection accuracy of flexible circuit boards is solved, achieving high-accuracy acquisition of battery cell temperature and convenient maintenance, while reducing costs.
Patent Information
- Application Number
- CN202520399204.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing flexible circuit boards have low accuracy in detecting the voltage and temperature of battery cells in battery modules and are inconvenient for later maintenance, so there is room for improvement.
A clamping component is used to press the temperature sampling component toward the battery cell. The detachable connection between the mounting component of the bracket assembly and the clamping component ensures that the temperature sampling component is in close contact with the battery cell. The accuracy of temperature acquisition is improved through a sealing structure and a thermal pad.
This improved the accuracy of cell temperature acquisition, ensured the operational reliability of the battery module, simplified the installation and maintenance process, and reduced setup costs.
Smart Images

Figure CN223956774U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle manufacturing technical field especially, relate to a battery module, battery package and vehicle. BACKGROUND
[0002] With the development of national economy and the continuous improvement of environmental protection consciousness, new energy vehicles gradually become the first choice of people's travel. The battery pack is the most core part of the vehicle, and is the power source of the vehicle, and the battery module is an important part of the battery pack, and the flexible circuit board arranged in the battery module can collect the voltage and temperature of the battery cell in the battery module, so as to formulate more accurate thermal management strategy, so as to ensure the operation reliability of the battery pack. But the voltage and temperature value detected by the existing flexible circuit board has low accuracy, and is not convenient for later maintenance, etc., and there is room for improvement. SUMMARY
[0003] The utility model aims at at least one of the technical problems existing in the prior art. Therefore, the utility model provides a battery module, which is simple in structure, low in setting cost, convenient to install and maintain, saves operation time, and can improve the accuracy of temperature collection of the battery cell and ensure the operation reliability.
[0004] According to the battery module, the temperature sampling assembly is pressed towards the battery cell by the pressing piece, so that the temperature collected by the temperature sampling assembly is closer to the real temperature of the battery cell, and the accuracy of the collected temperature can be ensured, so as to ensure the operation reliability of the battery module, and the pressing piece and the mounting piece are detachably connected, which is convenient for installation and later maintenance, saves operation time, is simple in structure, low in setting cost, better in use effect, and wider in application range.
[0005] According to the battery module, the temperature sampling assembly is pressed towards the battery cell by the pressing piece, so that the temperature collected by the temperature sampling assembly is closer to the real temperature of the battery cell, and the accuracy of the collected temperature can be ensured, so as to ensure the operation reliability of the battery module, and the pressing piece and the mounting piece are detachably connected, which is convenient for installation and later maintenance, saves operation time, is simple in structure, low in setting cost, better in use effect, and wider in application range.
[0006] According to some embodiments of the utility model, the pressing piece and the mounting piece are connected through clamping.
[0007] According to some embodiments of the utility model, the mounting piece is provided with at least one clamping part, and the pressing piece is provided with at least one clamping matching part, and at least one clamping part and at least one clamping matching part are one-to-one clamping matching.
[0008] According to the battery module of some embodiments of the utility model, the clamping part and the clamping cooperation part are both set as two groups and one-to-one correspondence, and the two groups of clamping parts are respectively located on both sides of the temperature sampling assembly.
[0009] According to the battery module of some embodiments of the utility model, the mounting piece is formed with a avoiding slot, the temperature sampling assembly is located in the avoiding slot, and is clamped between the compression piece and the battery cell.
[0010] According to the battery module of some embodiments of the utility model, the temperature sampling assembly includes temperature sensor and sealing structure, the sealing structure is clamped between the compression piece and the battery cell, the sealing structure is formed with the installation slot that is open to the battery cell, the temperature sensor is located in the installation slot, and the temperature sensor is electrically connected with the sampling part.
[0011] According to the battery module of some embodiments of the utility model, the sealing structure includes sealing ring and sealing cotton, the sealing cotton is connected to the side of the sealing ring away from the battery cell and jointly defines the installation slot;
[0012] And / or, the sealing structure and the battery cell are further provided with heat-conducting pad, the heat-conducting pad is used for heat conduction between the temperature sensor and the battery cell, and the sampling part is configured as a sheet and is clamped between the sealing structure and the heat-conducting pad.
[0013] According to the battery module of some embodiments of the utility model, the battery cell includes a battery cell top cover, and the mounting piece is connected to the battery cell top cover.
[0014] Among them, the battery cell top cover is provided with two battery cell poles, the temperature sampling assembly is arranged between the two battery cell poles, and / or the temperature sampling assembly is provided as at least one.
[0015] The utility model also proposes a battery pack.
[0016] According to the battery pack of the utility model embodiment, the battery module of any one of the above is included.
[0017] The utility model also proposes a vehicle.
[0018] According to the vehicle of the utility model embodiment, the battery pack of the above is included.
[0019] The vehicle, the battery pack and the battery module of the above have the same advantages relative to prior art, which will not be repeated here.
[0020] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood by the practice of the utility model. Attached Figure Description
[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0022] Figure 1 This is a partial structural explosion of the battery module according to an embodiment of the present invention. Figure 1 ;
[0023] Figure 2 This is a partial structural explosion of the battery module according to an embodiment of the present invention. Figure 2 ;
[0024] Figure 3 This is a partial structural diagram of a battery module according to an embodiment of the present utility model. Figure 1 ;
[0025] Figure 4 This is a partial structural diagram of a battery module according to an embodiment of the present utility model. Figure 2 ;
[0026] Figure 5 This is a partial structural diagram of a battery module according to an embodiment of the present utility model. Figure 3 .
[0027] Figure label:
[0028] Cell 1, Cell terminal 11, Cell top cover 12, Aluminum foil 13
[0029] Flexible circuit board 2, sampling unit 21,
[0030] Temperature sampling component 3, temperature sensor 31, sealing structure 32, sealing ring 321, sealing cotton 322, mounting groove 323, thermal pad 33.
[0031] The bracket assembly 4, the mounting part 41, the clearance groove 411, the snap-fit part 412, the clamping part 42, and the snap-fit mating part 421. Detailed Implementation
[0032] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0033] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more.
[0034] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0035] The following refers to Figures 1-5 The battery module according to the embodiment of the utility model is described, which is simple in structure, low in setting cost, convenient to install and maintain in later period, saves operation time, and can improve the accuracy of temperature acquisition of the battery cell 1, and ensures the operation reliability.
[0036] As Figures 1-5 The battery module according to one embodiment of the utility model comprises: a battery cell 1, a flexible circuit board 2, a temperature sampling assembly 3 and a support assembly 4.
[0037] The flexible circuit board 2 is provided with a sampling part 21, the temperature sampling assembly 3 is connected with the sampling part 21, the support assembly 4 comprises a mounting piece 41 and a pressing piece 42, the mounting piece 41 is connected to the battery cell 1, the pressing piece 42 is detachably connected with the mounting piece 41, and the pressing piece 42 is used for pressing the temperature sampling assembly 3 towards the battery cell 1.
[0038] The battery module is a unit assembled by a plurality of battery cells 1 for providing voltage and capacity. It is a component in the battery system, usually composed of several battery cells 1, connectors, battery management systems, and housings, etc. The main function of the battery module is to connect a plurality of battery cells 1 together to increase the voltage and energy storage capacity of the battery system. The battery cells 1 can be connected in parallel or in series. Series connection of battery cells 1 can increase the total voltage, while parallel connection of battery cells 1 can increase the total capacity, so that the battery module can meet the power demand of different applications.
[0039] Specifically, a plurality of battery cells 1 and flexible circuit boards 2 are arranged in the battery module. Two adjacent battery cells 1 can be connected by an aluminum foil 13 to transmit the current of the battery cells 1. The flexible circuit board 2 can sample the voltage and temperature of the battery cells 1. A plurality of battery cells 1 are arranged in sequence to form a battery module, and the flexible circuit board 2 is arranged along the arrangement direction of the plurality of battery cells 1, so that the flexible circuit board 2 can be connected to different battery cells 1 respectively to collect the voltage and temperature of multiple parts in the battery module, ensuring the reliability of the collected data.
[0040] Further, the flexible circuit board 2 is provided with a sampling part 21, which can be arranged on one side of the flexible circuit board 2 and extend away from the other side of the flexible circuit board 2. The sampling part 21 can contact the battery cells 1 to sample the voltage and temperature of the battery cells 1. The battery module is also provided with a temperature sampling assembly 3, which can be provided with a temperature sensor 31, etc. The temperature sampling assembly 3 is connected to the sampling part 21, and the sampling part 21 contacts the battery cells 1, so that the temperature sampling assembly 3 is arranged close to the battery cells 1, and the temperature sampling assembly 3 can detect the temperature of the battery cells 1 to ensure the accuracy of the collected data.
[0041] In addition, the battery module is also provided with a bracket assembly 4, which can be made by injection molding, etc. The setting cost is low. The bracket assembly 4 is provided with a mounting part 41 and a pressing part 42. Both the mounting part 41 and the pressing part 42 can be arranged in a plate-like structure to improve the compactness of the internal structure of the battery module. The flexible circuit board 2 can be fixedly connected to the battery cells 1 through a connecting part, etc. Part of the mounting part 41 can be arranged between the flexible circuit board 2 and the battery cells 1 to fix the mounting part 41, so that the mounting part 41 can be connected to the battery cells 1. The pressing part 42 is detachably connected to the mounting part 41, i.e. the pressing part 42 and the mounting part 41 can be connected by clamping or connecting parts, etc. The installation is simple, and it is convenient for installation and later maintenance, etc., saving operation time.
[0042] When the pressing member 42 is connected with the mounting member 41, the pressing member 42 can press the temperature sampling assembly 3 towards the battery cell 1, thereby further shortening the distance between the temperature sampling assembly 3 and the battery cell 1, improving the detection accuracy of the temperature sampling assembly 3, and through the pressing of the temperature sampling assembly 3 towards the battery cell 1 by the pressing member 42, the temperature sampling assembly 3 can be fixed between the pressing member 42 and the battery cell 1, avoiding the temperature sampling assembly 3 from shaking in the battery module, and ensuring the installation reliability of the temperature sampling assembly 3.
[0043] According to the battery module of the embodiment of the utility model, through the pressing of the temperature sampling assembly 3 towards the battery cell 1 by the pressing member 42, the temperature collected by the temperature sampling assembly 3 is closer to the real temperature of the battery cell 1, thereby ensuring the accuracy of the collected temperature, ensuring the operation reliability of the battery module, and the pressing member 42 is detachably connected with the mounting member 41, facilitating installation and later maintenance, saving operation time, and being simple in structure, low in setting cost, better in use effect, and wider in application range.
[0044] In some embodiments, the pressing member 42 is connected with the mounting member 41 through clamping, the bracket assembly 4 is provided with the pressing member 42 and the mounting member 41, the flexible circuit board 2 can limit the mounting member 41, so that the mounting member 41 can be connected to the battery cell 1, and the pressing member 42 is connected with the mounting member 41 through clamping, thereby making the pressing member 42 detachable relative to the mounting member 41, i.e. making the pressing member 42 detachable relative to the battery cell 1, which is simple to install, facilitates installation and later maintenance, saves operation time, and when the pressing member 42 is installed, the temperature sampling assembly 3 can be pressed towards the battery cell 1 to improve the detection accuracy of the temperature sampling assembly 3, and the installation reliability of the temperature sampling assembly 3 can be ensured.
[0045] In some embodiments, the mounting member 41 is provided with at least one clamping portion 412, the pressing member 42 is provided with at least one clamping matching portion 421, and the at least one clamping portion 412 and the at least one clamping matching portion 421 are one-to-one correspondingly clamped and matched.
[0046] Specifically, the pressing member 42 is connected with the mounting member 41 through clamping, and the mounting member 41 is provided with at least one clamping portion 412, i.e. the clamping portion 412 can be provided as one, two or three, etc., the pressing member 42 is provided with at least one clamping matching portion 421, i.e. the clamping matching portion 421 can be provided as one, two or three, etc., the at least one clamping portion 412 and the at least one clamping matching portion 421 are one-to-one correspondingly clamped and matched, i.e. the number of the clamping portion 412 and the clamping matching portion 421 is equal, and the setting positions of the clamping portion 412 and the clamping matching portion 421 correspond, so that the at least one clamping portion 412 and the at least one clamping matching portion 421 can be clamped and matched.
[0047] Further, when the clamping portions 412 and the clamping matching portions 421 are both provided in multiple, the multiple clamping portions 412 and the multiple clamping matching portions 421 can be clamped and matched at the same time, thereby improving the connection reliability, and when the pressing member 42 is forced to have a displacement trend relative to the mounting member 41, the clamping portions 412 and the clamping matching portions 421 will both be subjected to force, and by providing the clamping portions 412 and the clamping matching portions 421 in multiple, the force acting on a single clamping portion 412 and a single clamping matching portion 421 is reduced, thereby prolonging the service life of the clamping portions 412 and the clamping matching portions 421.
[0048] In actual settings, the clamping portions 412 can be provided as clamping buckles, clamping protrusions, clamping grooves or clamping holes, and the clamping matching portions 421 can also be provided as clamping buckles, clamping protrusions, clamping grooves or clamping holes. In the embodiment, as shown in Figure 1 and Figures 3-5 , the clamping portions 412 are provided as clamping buckles, and the clamping matching portions 421 are provided as clamping holes, and when the pressing member 42 is mounted on the mounting member 41, the clamping buckles can extend from one side of the pressing member 42 to the other side of the pressing member 42 through the clamping holes to be clamped and matched with the other side of the pressing member 42, thereby being simple in structure and convenient to install.
[0049] In some embodiments, the clamping portions 412 and the clamping matching portions 421 are both provided in two groups and one-to-one correspondence, and the two groups of clamping portions 412 are respectively located on both sides of the temperature sampling assembly 3.
[0050] Specifically, the mounting member 41 is provided with the clamping portions 412, the pressing member 42 is provided with the clamping matching portions 421, the clamping portions 412 and the clamping matching portions 421 are clamped and matched, thereby enabling the pressing member 42 to be clamped and connected with the mounting member 41, and the clamping portions 412 can be provided in two groups, and the clamping matching portions 421 can also be provided in two groups, and the two groups of clamping portions 412 and the two groups of clamping matching portions 421 are provided in one-to-one correspondence, thereby enabling the pressing member 42 to be clamped and connected with the two groups of clamping portions 412 of the mounting member 41 through the two groups of clamping matching portions 421, improving the installation reliability, and reducing the force acting on a group of clamping portions 412 and a group of clamping matching portions 421, thereby prolonging the service life of the clamping portions 412 and the clamping matching portions 421.
[0051] Further, when the pressing member 42 is clamped and matched with the mounting member 41, the temperature sampling assembly 3 can be pressed towards the battery cell 1, and as shown in Figure 4As shown, the two sets of clamping portions 412 are respectively located on two sides of the temperature sampling assembly 3, that is, when the pressing member 42 is clamped and matched with the mounting member 41, the temperature sampling assembly 3 is located between the two sets of clamping portions 412, and thus the pressing force on the side of the temperature sampling assembly 3 in contact with the pressing member 42 is equal along the distribution direction of the two sets of clamping portions 412, and thus the tightness of each part of the other side of the temperature sampling assembly 3 in contact with the battery cell 1 is equal, so as to ensure the detection accuracy of the temperature sampling assembly 3.
[0052] Moreover, the reaction force applied by the temperature sampling assembly 3 to the pressing member 42 can be evenly distributed to the two clamping portions 412, so that the forces acting on the two clamping portions 412 are equal, avoiding deformation or fracture of a single clamping portion 412 due to excessive force, prolonging the service life of the clamping portion 412, and ensuring the clamping reliability.
[0053] In some embodiments, the mounting member 41 is formed with a avoiding slot 411, and the temperature sampling assembly 3 is located in the avoiding slot 411 and clamped between the pressing member 42 and the battery cell 1.
[0054] Specifically, the mounting member 41 is mounted on the battery cell 1, the pressing member 42 can press the temperature sampling assembly 3 towards the battery cell 1 and be clamped and matched with the mounting member 41, the temperature sampling assembly 3 is connected to the sampling portion 21, and the mounting member 41 is formed with an avoiding slot 411, and the sampling portion 21 and the temperature sampling assembly 3 can be placed in the avoiding slot 411. The avoiding slot 411 is arranged to penetrate the mounting member 41 along the thickness direction of the mounting member 41, so that when the sampling portion 21 and the temperature sampling assembly 3 are placed in the avoiding slot 411, they can directly contact the battery cell 1, and thus the distance between the sampling portion 21 and the temperature sampling assembly 3 and the battery cell 1 can be shortened, so as to improve the accuracy of temperature measurement of the temperature sampling assembly 3.
[0055] Further, after the sampling portion 21 and the temperature sampling assembly 3 are placed in the avoiding slot 411, the pressing member 42 can be clamped on the mounting member 41, so that the sampling portion 21 and the temperature sampling assembly 3 can be clamped between the pressing member 42 and the battery cell 1, thereby avoiding the problem of inaccurate measurement caused by shaking of the temperature sampling assembly 3, and the avoiding slot 411 can be matched with the sampling portion 21 and the temperature sampling assembly 3, thereby circumferentially limiting the sampling portion 21 and the temperature sampling assembly 3, so as to ensure the mounting reliability.
[0056] In some embodiments, the temperature sampling assembly 3 includes a temperature sensor 31 and a sealing structure 32, the sealing structure 32 is clamped between the pressing member 42 and the battery cell 1, the sealing structure 32 is formed with a mounting slot 323 open towards the battery cell 1, the temperature sensor 31 is located in the mounting slot 323, and the temperature sensor 31 is electrically connected with the sampling portion 21.
[0057] Specifically, the temperature sampling assembly 3 is connected to the sampling portion 21 for measuring the temperature of the battery cell 1, and as shown inFigure 2 As shown, the temperature sampling assembly 3 is provided with a temperature sensor 31, which can be electrically connected with the sampling part 21 by bonding or the like, and the sampling part 21 can be in contact with the battery cell 1, so that the sampling part 21 can conduct the temperature of the battery cell 1 to the temperature sensor 31, so that the temperature sensor 31 can measure the temperature of the battery cell 1, and then the measurement data can be collected through the flexible circuit board 2. The temperature sensor 31 is arranged on the sampling part 21, which is convenient for installation.
[0058] Further, the temperature sampling assembly 3 is also provided with a sealing structure 32, which is formed with a mounting groove 323 that is open towards the battery cell 1, the temperature sensor 31 is electrically connected with the sampling part 21, and the temperature sensor 31 can extend into the mounting groove 323, so that the sealing structure 32 and the sampling part 21 can jointly form a sealed space, the temperature sensor 31 can be placed in the sealed space, and then the temperature sensor 31 can be circumferentially protected, the use reliability of the temperature sensor 31 is improved, and the service life of the temperature sensor 31 is prolonged.
[0059] In some embodiments, the sealing structure 32 includes a sealing ring 321 and sealing cotton 322, the sealing cotton 322 is connected to the side of the sealing ring 321 away from the battery cell 1 and jointly defines the mounting groove 323.
[0060] Specifically, the sealing structure 32 can seal the temperature sensor 31, ensure the use reliability of the temperature sensor 31, and as Figure 2 As shown, the sealing structure 32 is provided with a sealing ring 321 and sealing cotton 322, the sealing ring 321 is arranged around the temperature sensor 31, and the sealing ring 321 is made of FR4 and UV glue material, which can make the sealing protection level reach IP67, that is, it can prevent water vapor and the like from entering the sealing structure 32, causing temperature sensor 31 sampling failure and the like, and ensuring the use reliability of the temperature sensor 31.
[0061] And the thickness of the sealing ring 321 after being compressed can be greater than the height of the temperature sensor 31, so that when the temperature sampling assembly 3 is pressed towards the battery cell 1 by the pressing member 42, the sealing ring 321 can support the pressing member 42, avoiding the pressing member 42 directly pressing the temperature sensor 31, and then the use reliability of the temperature sensor 31 can be ensured.
[0062] Further, the sealing cotton 322 is connected to the side of the sealing ring 321 away from the battery cell 1, so that the sealing cotton 322 and the sealing ring 321 can jointly define the mounting groove 323, the temperature sensor 31 can be placed in the mounting groove 323, the sealing cotton 322 can be provided as a foam, and the thickness can be provided as 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, etc., the sealing cotton 322 can be connected with the sealing ring 321 by bonding or the like, when the pressing member 42 and the mounting member 41 are clamped and matched, the sealing cotton 322 is compressed, which can ensure the installation reliability of the sealing ring 321 and the temperature sensor 31, and can buffer the pressing member 42, prevent the sampling part 21 from being abraded, etc., and ensure the sampling reliability.
[0063] In some embodiments, the sealing structure 32 and the battery cell 1 are further provided with a heat-conducting pad 33, the heat-conducting pad 33 is used for heat conduction between the temperature sensor 31 and the battery cell 1, and the sampling part 21 is configured as a sheet and is clamped between the sealing structure 32 and the heat-conducting pad 33.
[0064] Specifically, the sampling part 21 is provided on one side of the flexible circuit board 2 and extends away from the flexible circuit board 2, the sampling part 21 can be provided as a sheet structure, the temperature sampling assembly 3 is installed on the sampling part 21, which can improve the structural compactness of the battery module, reduce the volume of the battery module, improve the lightweight design, and the sealing structure 32 and the battery cell 1 are further provided with the heat-conducting pad 33, that is, the sampling part 21 can be clamped between the sealing structure 32 and the heat-conducting pad 33, the temperature of the battery cell 1 can be conducted to the heat-conducting pad 33, and the heat-conducting pad 33 can conduct the temperature of the battery cell 1 to the sampling part 21, thereby improving the accuracy of the temperature sensor 31 measurement to ensure the sampling reliability.
[0065] In some embodiments, the battery cell 1 includes a battery cell top cover 12, and the mounting member 41 is connected to the battery cell top cover 12, wherein the battery cell top cover 12 is provided with two battery cell poles 11, and the temperature sampling assembly 3 is arranged between the two battery cell poles 11.
[0066] Specifically, the battery cell 1 is provided with a battery cell top cover 12 arranged at the end of the battery cell 1, the mounting piece 41 can be connected to the battery cell top cover 12, that is, the sampling part 21 can be placed in the avoiding groove 411 and in contact with the battery cell top cover 12, so that the temperature of the battery cell 1 can be conducted to the sampling part 21 through the battery cell top cover 12, and the battery cell top cover 12 is provided with two battery cell poles 11, that is, a positive pole and a negative pole, the two battery cell poles 11 are arranged at intervals, the support assembly 4 is arranged between the two battery cell poles 11, and the two flexible circuit boards 2 are arranged correspondingly to the two battery cell poles 11 and are also located between the two battery cell poles 11, the sampling part 21 of the two flexible circuit boards 2 is arranged to extend towards the corresponding battery cell pole 11 respectively, the temperature sampling assembly 3 can be arranged between the two battery cell poles 11, and the temperature sampling assembly 3 can be connected with the sampling part 21, and the sampling part 21 can be in contact with the battery cell 1, so that the temperature sampling assembly 3 can sample the voltage and temperature of the battery cell 1.
[0067] In other embodiments, the temperature sampling assembly 3 is arranged as at least one, that is, the temperature sampling assembly 3 can be arranged as one, two or three, etc., in the embodiment, the temperature sampling assembly 3 is arranged as two, the two sampling parts 21 are connected with one temperature sampling assembly 3 respectively, the mounting piece 41 of the support assembly 4 is arranged as one, the two ends of the mounting piece 41 are arranged to extend towards the two battery cell poles 11 respectively, and the two ends of the mounting piece 41 are provided with the avoiding groove 411 and the clamping part 412, the mounting piece 41 can be arranged as symmetrical, or can be arranged as asymmetrical structure according to actual production demand, the pressing piece 42 is arranged as two, the two pressing pieces 42 are clamped at the two ends of the mounting piece 41 respectively, so that the two temperature sampling assemblies 3 can be pressed towards the corresponding battery cell top cover 12 respectively, which can reduce the number of parts and save the setting cost.
[0068] The utility model discloses still propose a kind of battery pack.
[0069] The battery pack according to the embodiments of the present application includes the battery module of any one of the above, and the battery pack is an integrated unit assembled by multiple battery modules, used for storing and providing electric energy. The battery pack is usually composed of several battery modules, connectors, battery management systems, heat dissipation systems, electrical interfaces and housings, etc. The main function of the battery pack is to integrate multiple battery modules together to form an integrated unit. The battery modules are connected in parallel or in series to increase the voltage, capacity or power of the battery system. The battery pack is also responsible for providing other functions and characteristics required by the battery system, such as electrical interfaces for connecting to external systems, heat dissipation systems for controlling temperature, housings for protecting batteries and other auxiliary devices and components.
[0070] According to the battery pack of the utility model embodiments, the battery module is provided, the temperature sampling assembly 3 is pressed towards the battery cell 1 by the pressing piece 42, the temperature collected by the temperature sampling assembly 3 is closer to the real temperature of the battery cell 1, the accuracy of the collected temperature can be guaranteed, the operation reliability of the battery module is guaranteed, the pressing piece 42 is detachably connected with the mounting piece 41, the installation and the later maintenance are facilitated, the operation time is saved, the structure is simple, the setting cost is low, the use effect is better, and the application range is wider.
[0071] The utility model further provides a vehicle.
[0072] According to the vehicle of the utility model embodiments, the battery pack is provided.
[0073] According to the vehicle of the utility model embodiments, the battery module of the battery pack is pressed towards the battery cell 1 by the pressing piece 42, the temperature collected by the temperature sampling assembly 3 is closer to the real temperature of the battery cell 1, the accuracy of the collected temperature can be guaranteed, the operation reliability of the battery module is guaranteed, the pressing piece 42 is detachably connected with the mounting piece 41, the installation and the later maintenance are facilitated, the operation time is saved, the structure is simple, the setting cost is low, the use effect is better, and the application range is wider.
[0074] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0075] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.
Claims
1. A battery module, characterized in that, include: Battery cell; A flexible circuit board, wherein the flexible circuit board is provided with a sampling section; A temperature sampling component, wherein the temperature sampling component is connected to the sampling unit; A support assembly includes a mounting member and a clamping member, the mounting member being connected to the battery cell, the clamping member being detachably connected to the mounting member, and the clamping member being used to press the temperature sampling component toward the battery cell.
2. The battery module according to claim 1, characterized in that, The clamping component is snapped into place with the mounting component.
3. The battery module according to claim 2, characterized in that, The mounting component has at least one snap-fit part, and the clamping component has at least one snap-fit mating part, with at least one snap-fit part and at least one snap-fit mating part engaging in a one-to-one snap-fit mating.
4. The battery module according to claim 3, characterized in that, The snap-fit part and the snap-fit mating part are each configured in two sets and correspond one-to-one, and the two sets of snap-fit parts are respectively located on both sides of the temperature sampling component.
5. The battery module according to claim 1, characterized in that, The mounting component has a clearance groove, the temperature sampling component is located in the clearance groove, and is sandwiched between the clamping component and the battery cell.
6. The battery module according to any one of claims 1-5, characterized in that, The temperature sampling assembly includes a temperature sensor and a sealing structure. The sealing structure is sandwiched between the clamping member and the battery cell. The sealing structure forms a mounting groove that opens toward the battery cell. The temperature sensor is located in the mounting groove and is electrically connected to the sampling unit.
7. The battery module according to claim 6, characterized in that, The sealing structure includes a sealing ring and sealing cotton, wherein the sealing cotton is connected to the side of the sealing ring away from the battery cell and together defines the mounting groove; And / or, a thermal pad is further provided between the sealing structure and the battery cell, the thermal pad being used to conduct heat between the temperature sensor and the battery cell, and the sampling part being constructed as a sheet and sandwiched between the sealing structure and the thermal pad.
8. The battery module according to any one of claims 1-5, characterized in that, The battery cell includes a top cover, and the mounting component is connected to the top cover. The cell top cover has two cell terminals, the temperature sampling component is located between the two cell terminals, and / or the temperature sampling component is set to at least one.
9. A battery pack, characterized in that, The battery module includes any one of claims 1-8.
10. A vehicle, characterized in that, Includes the battery pack as described in claim 9.