CN219086212U - Battery module and electric equipment - Google Patents

Abstract

The application provides a battery module and consumer relates to power battery technical field. The battery module includes: the upper ends of the battery cores are provided with output poles; the collecting assembly comprises two hot-pressing films, a first busbar and an FPC, wherein the two hot-pressing films are distributed up and down, the hot-pressing films are uniformly pressed on the first busbar and the FPC, the first busbar is connected with an output electrode to form an output total electrode, and the FPC is connected with the first busbar to be used for collecting information of a current core. Be provided with the output utmost point on the electric core, first busbar and FPC all set up on the hot pressing membrane, and the hot pressing membrane is provided with upper and lower two-layer for when first busbar is connected with the output utmost point of FPC and electric core respectively, can gather the information of electric core, also can realize reducing the cost simultaneously, improves the qualification rate of product.

Description

Battery module and electric equipment

Technical Field

The application relates to the technical field of power batteries, in particular to a battery module and electric equipment.

Background

The battery module is mainly divided into three types according to different structures of monomers: the cylindrical battery module, the square soft package module and the square hard shell module, the collection assembly of the existing hard shell battery module adopts the form of an injection molding wire harness isolation plate, the injection molding process has higher mold opening cost, and the scheme yield of the large module is low.

Disclosure of Invention

The utility model aims at providing a battery module and power consumption, through integrated into one piece design, when can reducing this, also can improve the yields.

In order to achieve the above purpose, the present application adopts the following technical scheme:

in a first aspect, the present application provides a battery module, comprising: the upper ends of the battery cores are provided with output poles; the acquisition assembly comprises two hot-pressing films, a first busbar and an FPC, wherein the two hot-pressing films are distributed up and down, the hot-pressing films are uniformly pressed on the first busbar and the FPC, the first busbar is connected with the output electrode to form an output total electrode, and the FPC is connected with the first busbar to be used for acquiring information of the battery core.

In the process of the realization, the output electrode is arranged on the battery cell, the first busbar and the FPC are arranged on the hot-pressing film, and the hot-pressing film is provided with an upper layer and a lower layer, so that the information of the battery cell can be acquired when the first busbar is respectively connected with the FPC and the output electrode of the battery cell, and meanwhile, the cost can be reduced, and the qualification rate of products is improved.

In some embodiments, the thermocompression film is provided with a weld region configured for connection with the first bus bar. Through set up the welding area on the hot pressing membrane for first busbar can be through this welding area connection on the hot pressing membrane, with the stability after guaranteeing that first busbar is connected with the output of electric core.

In some embodiments, the hot press membrane is further provided with a pressure relief hole configured to correspond to a pressure relief valve of the cell. Through set up the relief vent that corresponds with the relief valve of electric core on hot pressing membrane for when electric core takes place thermal runaway, can puncture the relief valve after, follow hot pressing membrane's relief vent department and discharge high temperature gas, improve the security of product.

In some embodiments, the collection assembly further comprises a temperature sampling member connected to the output header and the FPC, respectively. Through connecting the temperature sampling piece between first busbar and FPC for the electric core is at the in-process of charging and discharging, realizes the temperature sampling to the electric core, guarantees high-magnification charge/discharge security, accomplishes the management to the electric core.

In some embodiments, the battery module further includes a low voltage component configured to be connected with the FPC. Through being connected low voltage assembly and FPC for when the output pole of first busbar and electric core is connected, can give battery management system with the information transmission of electric core, be favorable to managing the electric core, guarantee the security in the electric core working process.

In some embodiments, the low voltage assembly includes a low voltage mount configured to receive at least a portion of a structure of the low voltage connector and a low voltage connector configured to connect with the FPC.

In the process of the realization, the low-voltage connector is connected with the FPC, and the low-voltage contact piece is connected with the low-voltage support, so that the low-voltage contact piece can be fixed on the end plate of the battery box body through the low-voltage support, the information transmission of the battery cells can be realized, the first bus bar can be connected between the battery cells, the integration of the battery cells is realized, the battery cells form a large module, and the space reasonable utilization of the battery box body is facilitated.

In some embodiments, the battery module further includes a high voltage component configured to be connected with the output total pole.

In some embodiments, the high voltage assembly includes a high voltage fixture and a second bus bar connected with the high voltage fixture and the output bus bar, respectively.

In the process of the realization, the second busbar is connected with the output total electrode, and the second busbar is fixed on the end plate of the battery box body through the high-voltage fixing piece, so that the integration of the battery cells can be realized between the battery cells connected with the first busbar, and the battery cells form a large module, so that the space of the battery box body can be reasonably utilized.

In some embodiments, the battery module further includes a fireproof assembly disposed on the hot pressing film of the upper layer. Through set up fire prevention subassembly on hot pressing membrane for when the electric core took place thermal runaway, can isolate thermal runaway's diffusion, guarantee the security performance of product.

In some embodiments, the battery module further comprises a battery housing having a receiving cavity configured to receive the battery cells and the collection assembly.

In some embodiments, the battery box comprises an end plate and a side plate, wherein a part of the structure of the side plate is coated on the end plate, and the end plate is fixedly connected with the low-voltage component and the high-voltage component.

In the process of the realization, the side plates are coated on the end plates, so that after the side plates are connected with the end plates to form a whole, the strength of the whole structure can be ensured, the expansion force requirement of the battery cell in the later life period is met, and meanwhile, the low-voltage component and the high-voltage component can be fixed, so that the assembly of each component is realized in a limited space, the space utilization rate is improved, and the problem that the installation space of the opposite-type package is limited is solved.

In some embodiments, the outer edge of the side plate is provided with a plurality of fixing pieces for fixing the low-voltage wire harness of the low-voltage assembly and the second bus bar of the high-voltage assembly. Through set up the mounting on the curb plate, guaranteed in limited space, realized the assembly of each part, improved space utilization, solved the limited problem of foreign package installation space.

In some embodiments, the battery case further includes a separator disposed in the accommodation chamber to divide the accommodation chamber into a plurality of sub-accommodation chambers, and the separator is connected with the end plate. Through setting up the baffle in holding the intracavity, can realize battery module's structural strength, satisfy the expansion force requirement in electric core life-span later stage.

In some embodiments, the battery module further comprises a liquid cooling plate configured below the battery cell, and the liquid cooling plate is provided with a hanging tab configured to be connected with the battery case. Through set up the hangers on the liquid cooling board, not only can realize being connected of liquid cooling board and battery box, also can guarantee the structural strength of liquid cooling board simultaneously, satisfy the impact requirement of upper and lower direction.

In a second aspect, the application further provides an electric device, including the battery module set as any one of the above.

Because the electric equipment provided by the embodiment of the second aspect of the present application includes the battery module set in the technical scheme of the first aspect, the electric equipment has all technical effects of the above embodiment, and is not described herein again.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for the users of the art.

Fig. 1 is a schematic view illustrating a partial structure of a battery module according to an embodiment of the present application.

Fig. 2 is a schematic view illustrating a partial explosion of a battery module according to an embodiment of the present application.

Fig. 3 is a schematic structural view of an acquisition assembly of a battery module according to an embodiment of the present disclosure.

Fig. 4 is an exploded view of a collection assembly of a battery module according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a connection between a first bus bar and an FPC of a battery module according to an embodiment of the present application.

Fig. 6 is a schematic view showing a partial structure of a hot pressing film of a battery module according to an embodiment of the present application.

Fig. 7 is a schematic structural view of a temperature sampling member of a battery module according to an embodiment of the present application.

Fig. 8 is a schematic diagram illustrating connection between a low voltage component and an FPC of a battery module according to an embodiment of the present application.

Fig. 9 is a schematic diagram illustrating connection between a high voltage component and an output total electrode of a battery module according to an embodiment of the present disclosure.

Fig. 10 is a sectional view of a high voltage assembly of a battery module according to an embodiment of the present application.

Fig. 11 is a partial schematic structure view of a high voltage assembly of a battery module according to an embodiment of the present disclosure.

Fig. 12 is an exploded view of several battery cells of a battery module according to an embodiment of the present application.

Fig. 13 is a schematic structural view of a battery case of a battery module according to an embodiment of the present application.

Fig. 14 is a partial schematic view of a battery module according to an embodiment of the present application.

Fig. 15 is a schematic structural view of a separator of a battery module according to an embodiment of the present application.

Fig. 16 is a schematic view illustrating connection between a separator and an end plate of a battery module according to an embodiment of the present application.

Fig. 17 is a schematic view illustrating a side plate structure of a battery module according to an embodiment of the present application.

Fig. 18 is a schematic diagram illustrating connection of side plates of a battery module according to an embodiment of the present application.

Fig. 19 is a schematic view illustrating connection between a side plate of a battery module and a high voltage assembly according to an embodiment of the present application.

Fig. 20 is a schematic view of a liquid cooling structure of a battery module according to an embodiment of the present disclosure.

Fig. 21 is a schematic diagram illustrating assembly of a liquid cooling plate of a battery module according to an embodiment of the present disclosure.

Reference numerals

10. A battery module; 100. a battery cell; 101. an output electrode; 102. an explosion-proof valve; 103. a side heat insulation wall; 104. a limit bar; 105. double faced adhesive tape; 106. a thermal insulation cushion pad; 200. a collection assembly; 201. hot pressing the film; 2011. a welding region; 2012. a pressure relief hole; 202. a first bus bar; 203. an FPC; 204. a temperature sampling member; 205. a low pressure component; 2051. a low pressure support; 2052. a low voltage connector; 2053. a low voltage harness; 206. a high voltage component; 2061. a high pressure protective cover; 2062. a high pressure support; 2063. a second bus bar; 2064. nesting knurled nuts; 207. a fire protection assembly; 300. a battery case; 301. an end plate; 302. a side plate; 3021. a fixing member; 30211. installing a stud; 30212. a fixing buckle; 3022. a body; 3023. a connecting body; 303. a partition plate; 304. an insulating cover; 400. a liquid cooling plate; 401. hanging lugs; 500. and (5) heat conduction structural adhesive.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments herein, without inventive effort are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the inventive product, are merely for convenience of description of the present application and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood to be specific to the user of ordinary skill in the art.

Examples

With the transformation of energy structures, sustainable electric energy has gradually replaced traditional fossil fuels as a mainstream energy source. For example, electric vehicles are gradually replacing conventional fuel vehicles, and are becoming a new trend, so that chargeable and dischargeable batteries are rapidly developed. The battery module is mainly divided into three types according to different structures of monomers: cylindrical battery module, square soft package module and square hard shell module. The utility model aims at designing a square hard-shell battery module. The collection assembly of current module scheme adopts the pencil division board form of moulding plastics more, and the technology die sinking expense of moulding plastics is higher, and big module scheme yields is low, to some special application scenes, such as sports car etc. its inner space dysmorphism and to battery module's requirement strict, its module structure on the market can not satisfy the demand at all.

In view of this, as shown in fig. 1 to 12, in a first aspect, the present application provides a battery module 10 including: the battery cell 100 and the collection assembly 200, the collection assembly 200 is connected with the output pole 101 of the battery cell 100 for collecting information, such as voltage, temperature, etc., of the battery cell 100 in the charging and discharging process, and the collection assembly 200 is connected with a battery management system (BMS, battery Management System) for transmitting the collected information of the battery cell 100 to the battery management system.

Specifically, the upper ends of the plurality of battery cells 100 are provided with output poles 101; the collection assembly 200 comprises two hot-pressing films 201, a first busbar 202 and an FPC203, wherein the two hot-pressing films 201 are arranged in a vertical distribution mode, the hot-pressing films 201 are uniformly pressed on the first busbar 202 and the FPC203, the first busbar 202 is connected with the output electrode 101 to form an output total electrode, and the FPC203 is connected with the first busbar 202 to be used for collecting information of the battery cell 100.

The output electrode 101 includes an anode and a cathode, where the anode and the cathode are both disposed at the upper end of the electric core 100, and the upper end of the electric core 100 is further provided with an explosion-proof valve 102, and when a plurality of electric cores 100 are distributed along the left-right direction, a side thermal insulation wall 103 is disposed on one side of the electric core 100 corresponding to a side plate 302 of a battery box 300 of the battery module 10, two adjacent electric cores 100 may be bonded by using a double-sided adhesive tape 105, and a thermal insulation buffer pad 106 may be disposed between the two electric cores 100, and meanwhile, in order to absorb flatness tolerance in the assembly process of the electric cores 100, so as to achieve tight adhesion between the electric cores 100 and the liquid cooling plate 400, a plurality of limit strips 104 may be disposed at the bottom of the electric cores 100, where the length direction of the limit strips 104 is the left-right direction.

It can be appreciated that the length direction of the collecting assembly 200 is set to the left-right direction, and the hot press film 201, the first bus bar 202, and the FPC203 are integrally formed, which not only can reduce the weight, but also can reduce the cost, wherein the first bus bar 202 is connected between two adjacent electric cores 100, so as to realize series connection, parallel connection, and the like between the electric cores 100.

In the implementation process, the output electrode 101 is arranged on the battery cell 100, the first busbar 202 and the FPC203 are arranged on the hot-pressing film 201, and the hot-pressing film 201 is provided with an upper layer and a lower layer, so that when the first busbar 202 is respectively connected with the FPC203 and the output electrode 101 of the battery cell 100, information of the battery cell 100 can be acquired, meanwhile, cost reduction can be realized, and the qualification rate of products is improved.

As shown in fig. 6, the thermo-compression film 201 is provided with a welding area 2011, and the welding area 2011 is configured to be connected to the first busbar 202, and of course, in order to ensure the welding quality between the thermo-compression film 201 and the FPC203, a plurality of observation windows may be provided on the thermo-compression film 201 (for example, through-holes may be provided on the thermo-compression film 201 on the upper side). By providing the welding area 2011 on the hot-pressing film 201, the first bus bar 202 can be connected to the hot-pressing film 201 through the welding area 2011, so as to ensure the stability of the first bus bar 202 after being connected with the output electrode 101 of the battery cell 100.

In some embodiments, the thermal compression membrane 201 is further provided with a pressure relief hole 2012, and the pressure relief hole 2012 is configured to correspond to a pressure relief valve of the cell 100. Through set up the relief hole 2012 that corresponds with the relief valve of electric core 100 on hot pressing membrane 201 for when electric core 100 takes place thermal runaway, can puncture the relief valve after, follow hot pressing membrane 201's relief hole 2012 and discharge high temperature gas, improve the security of product.

As shown in fig. 7, the collecting assembly 200 further includes a temperature sampling member 204, where the temperature sampling member 204 includes, but is not limited to, a temperature sensor, and the temperature sampling member 204 is connected to the output main electrode and the FPC203, respectively. By connecting the temperature sampling piece 204 between the output total electrode and the FPC203, the temperature sampling of the battery cell 100 is realized in the process of charging and discharging, the high-rate charging/discharging safety is ensured, and the management of the battery cell 100 is completed.

As shown in fig. 8, the battery module 10 further includes a low voltage assembly 205, and the low voltage assembly 205 is configured to be connected to the FPC 203. Through being connected low-voltage assembly 205 with FPC203 for when first busbar 202 is connected with the output pole 101 of electric core 100, can give battery management system with the information transmission of electric core 100, be favorable to managing electric core 100, guarantee the security in the operation process of electric core 100.

In some embodiments, the low voltage assembly 205 includes a low voltage mount 2051 and a low voltage connector 2052, the low voltage mount 2051 configured to receive at least a portion of the low voltage connector 2052, the low voltage connector 2052 configured to connect with the FPC 203. Illustratively, the low pressure support 2051 may be configured to be fixedly mounted on the end plate 301 of the battery case 300, and the upper end of the low pressure support 2051 is provided with a mounting opening, through which the low pressure connector 2052 penetrates, so as to ensure that at least a part of the structure of the low pressure connector 2052 is located in the inner cavity of the low pressure support 2051; it will be appreciated that when the low voltage connector 2052 is connected to the FPC203 and received within the cavity of the low voltage carrier 2051, the low voltage connector 2052 may be connected to the battery management system via the low voltage harness 2053 to enable information about the electrical cells 100 to be transmitted to the battery management system.

In the above implementation process, the low-voltage connector 2052 is connected with the FPC203, and the low-voltage contact is connected with the low-voltage support 2051, so that the low-voltage contact can be fixed on the end plate 301 of the battery box 300 through the low-voltage support 2051, not only can information transmission on the battery cell 100 be realized, but also the first busbar 202 can be connected between the battery cells 100, so that integration of the battery cells 100 is realized, the battery cells 100 form a large module, and space reasonable utilization of the battery box 300 is facilitated.

As shown in fig. 9-11, the battery module 10 further includes a high voltage component 206, the high voltage component 206 being configured to be connected to the output total pole; the high voltage assembly 206 includes a high voltage fixture 3021 and a second bus bar 2063, the second bus bar 2063 being connected to the high voltage fixture 3021 and the output collector, respectively. The high-pressure fixing member 3021 includes a high-pressure protecting cover 2061 and a high-pressure support 2062, the high-pressure protecting cover 2061 is detachably connected to the high-pressure support 2062, the connection mode may be a fastening mode or another fixing mode, the second bus bar 2063 is located between the high-pressure protecting cover 2061 and the high-pressure support 2062, a nested knurled nut 2064 is disposed on the high-pressure support 2062, and the second bus bar 2063 may be fixed at the nested knurled nut 2064 by a bolt.

In the above implementation process, the second bus bar 2063 is connected with the output total pole, and the second bus bar 2063 is fixed on the end plate 301 of the battery box 300 by the high-voltage fixing member 3021, so that the integration of the battery cells 100 can be realized between the first bus bar 202 and the battery cells 100, so that after the battery cells 100 form a large module, the space of the battery box 300 can be reasonably utilized.

As shown in fig. 2, the battery module 10 further includes a fireproof assembly 207, and the fireproof assembly 207 is disposed on the upper hot pressing film 201, where the fireproof assembly 207 may be ceramic silicone rubber, fiber tape, or the like. By providing the fireproof assembly 207 on the hot-pressing film 201, when thermal runaway occurs in the battery cell 100, thermal runaway diffusion can be isolated, and the safety performance of the product is ensured.

As shown in fig. 13-20, the battery module 10 further includes a battery box 300, the battery box 300 has a receiving cavity, the receiving cavity is configured to receive the battery cell 100 and the collecting assembly 200, the battery box 300 includes an end plate 301 (which may be cast aluminum) and a side plate 302, a part of the structure of the side plate 302 is wrapped on the end plate 301, and the end plate 301 is fixedly connected with the low-voltage assembly 205 and the high-voltage assembly 206.

For example, the battery case 300 may be square, and the longitudinal direction of the battery case 300 may be configured in the left-right direction, where the side plate 302 includes a body 3022 and a connector 3023, the body 3022 and the connector 3023 are integrally formed (e.g. by stamping), for example, two ends of the side plate 302 are bent to form the body 3022 and the connector 3023, the connector 3023 is used for wrapping the end plate 301, the connector 3023 and the end plate 301 may be welded, and at the position of the end plate 301 corresponding to the connector 3023, a recess may be provided to ensure that the surface of the connector 3023 is flush with the end plate 301 after the connector 3023 is connected to the end plate 301, and the body 3022 may be connected to the end plate 301 by a bolt, by using a welding+screwing method, to doubly ensure the expansion force requirement at the end of the life of the multiplying power battery 100.

In the implementation process, the side plate 302 is coated on the end plate 301, so that after the side plate 302 is connected with the end plate 301 to form a whole, the strength of the whole structure can be ensured, the expansion force requirement of the battery cell 100 in the later life period can be met, meanwhile, the low-voltage component 205 and the high-voltage component 206 can be fixed, the assembly of each component in a limited space is ensured, the space utilization rate is improved, and the problem that the installation space of the opposite-type package is limited is solved.

17-19, the outer edge of the side plate 302 is provided with a plurality of fixing members 3021, where the fixing members 3021 are used to fix the low voltage wire harness 2053 of the low voltage assembly 205 and fix the second busbar 2063 of the high voltage assembly 206, and specifically, when the fixing members 3021 fix the low voltage wire harness 2053 of the low voltage assembly 205, the fixing members 3021 include, but are not limited to, fixing studs; when the fixing member 3021 fixes the second bus bar 2063 of the high voltage assembly 206, the fixing member 3021 includes a fixing buckle 30212 and a mounting stud 30211, the fixing buckle 30212 is fixed on the side plate 302 by the mounting stud 30211, and the fixing buckle 30212 has a circular arc hole, and the circular arc hole may be used for penetrating the second bus bar 2063. By arranging the fixing piece 3021 on the side plate 302, assembly of each part is guaranteed in a limited space, space utilization is improved, and the problem that the installation space of the different package is limited is solved.

As shown in fig. 15-16, the battery box 300 further includes a partition 303, where the partition 303 is disposed in the accommodating cavity to divide the accommodating cavity into a plurality of sub-accommodating cavities, and the partition 303 is connected with the end plate 301, and illustratively, two ends of the partition 303 are provided with screw holes, so that the partition 303 may be fixed on the end plate 301 by fixing bolts, and meanwhile, in order to ensure good insulation, an insulating film is coated on an outer edge of the partition 303, and an insulating cover 304 is disposed between the end plate 301 and a large surface of the battery cell 100. By arranging the partition plate 303 in the accommodating cavity, the structural strength of the battery module 10 can be realized, and the expansion force requirement of the battery cell 100 in the later life period can be met.

As shown in fig. 20-21, the battery module 10 further includes a liquid cooling plate 400, the liquid cooling plate 400 is disposed below the battery cell 100, and the liquid cooling plate 400 is provided with a hanging tab 401, the hanging tab 401 is configured to be connected with the battery case 300, wherein a heat conducting structural adhesive 500 is disposed between the liquid cooling plate 400 and the battery cell 100. Through set up hangers 401 on liquid cooling board 400, not only can realize the connection of liquid cooling board 400 and battery box 300, also can guarantee the structural strength of liquid cooling board 400 simultaneously, satisfy the impact requirement of upper and lower direction.

In a second aspect, the present application also provides an electric device, including the battery module 10 as described above. The electric device may be a vehicle (e.g., running beyond), a portable device, a notebook computer, a ship, a spacecraft, an electric toy, and the like. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy, and the like. The embodiment of the application does not limit the electric device in particular. Taking a vehicle as an example, the vehicle may further include a controller and a motor, the controller being configured to control the power battery to power the motor, for example, for operating power requirements during start-up, navigation, and travel of the vehicle.

Because the electric equipment provided by the embodiment of the second aspect of the present application includes the battery module set in the technical scheme of the first aspect, the electric equipment has all technical effects of the above embodiment, and is not described herein again.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (15)

1. A battery module, comprising:

the upper ends of the battery cores are provided with output poles;

the acquisition assembly comprises two hot-pressing films, a first busbar and an FPC, wherein the two hot-pressing films are distributed up and down, the hot-pressing films are uniformly pressed on the first busbar and the FPC, the first busbar is connected with the output electrode to form an output total electrode, and the FPC is connected with the first busbar to be used for acquiring information of the battery core.

2. The battery module of claim 1, wherein the hot-pressed film is provided with a welding region configured for connection with the first bus bar.

3. The battery module according to claim 2, wherein the thermo-compression membrane is further provided with a pressure relief hole configured to correspond to a pressure relief valve of the battery cell.

4. The battery module of claim 1, wherein the collection assembly further comprises a temperature sampling member connected to the output electrode and the FPC, respectively.

5. The battery module of claim 1, further comprising a low voltage component configured to be connected to the FPC.

6. The battery module of claim 5, wherein the low voltage assembly comprises a low voltage support and a low voltage connector, the low voltage support configured to receive at least a portion of the low voltage connector, the low voltage connector configured to connect with the FPC.

7. The battery module of claim 5, further comprising a high voltage component configured to connect with the output collector.

8. The battery module of claim 7, wherein the high voltage assembly comprises a high voltage fixture and a second busbar connected to the high voltage fixture and the output collector, respectively.

9. The battery module of claim 1, further comprising a fire protection component disposed on the upper hot-pressed film.

10. The battery module of claim 7, further comprising a battery housing having a receiving cavity configured to receive the battery cells and the collection assembly.

11. The battery module of claim 10, wherein the battery case comprises an end plate and a side plate, a part of the structure of the side plate is coated on the end plate, and the low-voltage component and the high-voltage component are fixedly connected to the end plate.

12. The battery module according to claim 11, wherein the outer edge of the side plate is provided with a plurality of fixing members for fixing the low voltage harness of the low voltage assembly and the second bus bar of the high voltage assembly.

13. The battery module of claim 11, wherein the battery case further comprises a separator disposed in the receiving chamber to divide the receiving chamber into a plurality of sub-receiving chambers, and the separator is connected with the end plate.

14. The battery module of claim 10, further comprising a liquid cooling plate disposed below the battery cells, and the liquid cooling plate is provided with tabs configured to connect with the battery case.

15. A powered device comprising a battery module as claimed in any one of claims 1-14.

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