CN213022035U

CN213022035U - Temperature acquisition assembly, battery module and vehicle

Info

Publication number: CN213022035U
Application number: CN202021804257.XU
Authority: CN
Inventors: 殷继炜; 郑卫鑫; 曾而平
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-20
Anticipated expiration: 2030-08-25

Abstract

The utility model provides a temperature acquisition assembly, a battery module and a vehicle, wherein the temperature acquisition assembly comprises a fixed seat, a heat-conducting metal piece and a temperature sensor; the fixing base is provided with the accommodation space, and in temperature sensor and heat conduction metalwork located the accommodation space, temperature sensor was used for gathering the temperature of electric core, and heat conduction metalwork is connected with temperature sensor heat conduction, and the accommodation space has the opening, and the heat conduction metalwork exposes in order to contact with electric core from the opening part. The embodiment of the utility model provides an among the temperature acquisition subassembly, the higher heat conduction sheetmetal of heat accessible coefficient of heat conductivity conducts rapidly for temperature sensor, reduces the hysteresis quality of the collection of temperature, improves the timeliness and the accuracy of electric core temperature acquisition.

Description

Temperature acquisition assembly, battery module and vehicle

Technical Field

The utility model belongs to the temperature acquisition field especially relates to a temperature acquisition subassembly, battery module and vehicle.

Background

Along with the promotion of environmental protection consciousness and the development progress of new forms of energy technique, the car that uses electric energy production drive power more and more receives each producer's attention, in new forms of energy electric automobile, in order to guarantee the operational reliability and the stability of battery, needs to use temperature collector to gather the temperature of electricity core to the temperature rise of control electricity core avoids overheated potential safety hazard that causes.

Current temperature collection ware uses the buckle to wrap up temperature sensor's probe usually, hugs closely the buckle on electric core cover plate, gathers electric core cover plate conduction to the heat of buckle to carry out analysis processes with temperature signal conversion for the signal of telecommunication.

However, in practical applications, the inventor finds that the time for the temperature sensor to collect heat is long, so that the temperature collection is delayed, and the actual temperature of the battery cell cannot be accurately represented in time.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a temperature acquisition subassembly, battery module and vehicle to it is longer to solve among the prior art temperature sensor and gather thermal time, leads to the problem of hysteresis nature to appear in the collection of temperature.

According to a first aspect of the embodiments of the present invention, there is provided a temperature acquisition assembly fixed on a bracket, the bracket being fixed on an electrical core, the temperature acquisition assembly comprising a fixing base, a heat-conducting metal piece and a temperature sensor;

the fixing base is fixed on the support, the fixing base is provided with an accommodating space, the temperature sensor and the heat conduction metal part are arranged in the accommodating space, the temperature sensor is used for collecting the temperature of the battery cell, the heat conduction metal part is in heat conduction connection with the temperature sensor, the accommodating space is provided with an opening, and the heat conduction metal part is exposed from the opening to be in contact with the battery cell.

According to a second aspect of an embodiment of the present invention, a battery module is provided, which includes an electrical core, a bracket and the temperature acquisition assembly of the first aspect of an embodiment of the present invention;

the support is fixed on the battery cell, and the temperature acquisition assembly is fixed on the support.

According to the third aspect of the embodiment of the present invention, a vehicle is provided, which includes the battery module according to the second aspect of the embodiment of the present invention.

The embodiment of the utility model provides a, through providing a temperature acquisition subassembly, this temperature acquisition subassembly is through setting up temperature sensor and heat conduction metalwork in the accommodation space of fixing base, the heat conduction metalwork is connected with temperature sensor heat conduction, the heat conduction metalwork exposes from the opening part of accommodation space can with electric core contact, thereby, the higher heat conduction metalwork of heat accessible coefficient of heat conductivity that electric core produced conducts rapidly for temperature sensor, be favorable to reducing the hysteresis quality to the collection of the temperature of electric core, improve the timeliness and the accuracy of electric core temperature collection.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is an exploded view of a battery module according to an embodiment of the present invention;

fig. 2 is an assembly view of a battery module according to an embodiment of the present invention;

fig. 3 is an exploded view of an axial view of a battery module according to an embodiment of the present invention;

fig. 4 is a schematic view of a temperature acquisition assembly according to an embodiment of the present invention;

fig. 5 is an exploded view of a temperature acquisition assembly according to an embodiment of the present invention;

description of reference numerals:

the battery comprises a fixed seat-10, a heat-conducting metal piece-11, a temperature sensor-12, heat-conducting glue-13, a battery cell-20, a support-21, a containing space-101, a connecting piece-102, a protecting piece-103, a body-111, a connecting part-112, a battery cell shell-201, a battery cell cover plate-202, an embedded groove-1011, a first connecting plate-1021, a second connecting plate-1022, a third connecting plate-1023, a clamping claw-10211 and a clamping groove-10221.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in fig. 1 to 5, the embodiment of the utility model discloses a temperature acquisition assembly can be used for gathering the temperature of electric core in the battery module to electric automobile. For example, this temperature acquisition subassembly can be installed fixedly on the battery module, and the temperature of electric core in the accessible collection battery module is in order to know the current operating condition of electric core. For the battery module and the temperature collection assembly, refer to the description of the following embodiments.

Referring to fig. 1 to 3, a structural schematic of a battery module according to the present invention is exemplarily shown. The battery module comprises a battery core 20, a support 21 and a temperature acquisition assembly.

The support 21 is fixed on the battery cell 20, and the temperature acquisition assembly is fixed on the support 21.

Particularly, the embodiment of the utility model provides a temperature acquisition subassembly can be used for carrying out temperature acquisition to the electric core of the battery module in the new energy automobile, and electric core 20 can be including the shell that holds the utmost point core, and the shell includes cell casing 201 and the electric core cover board 202 with cell casing 201 sealing connection. As shown in fig. 1 to 3, the battery module includes a battery cell 20, a bracket 21, and a temperature acquisition assembly. The battery cell 20 may include a cell casing 201 for accommodating a pole piece, and a cell cover plate 202 disposed on an upper portion of the cell casing 20, when the pole piece in the cell casing 201 works, the generated heat may be transferred to the cell cover plate 202, and by providing the support 21 on the cell cover plate 202, an installation carrier may be provided for the temperature acquisition assembly. For example, a clamping hole 211 is formed in the support 21 corresponding to the temperature acquisition area of the cell cover plate 202, and a clamping structure matched with the clamping jaw and the clamping groove may be disposed on a side wall of the clamping hole 211. Therefore, when the connecting piece 102 of the temperature acquisition assembly is embedded into the clamping hole 211, the temperature acquisition assembly can be fixed, and when the temperature acquisition assembly is located in the clamping hole 211, the heat-conducting metal piece 11 of the temperature acquisition assembly is in contact with the cell cover plate 202. That is, the heat of the cell cover plate 202 is conducted to the heat conducting metal sheet 12, and further conducted to the temperature sensor 12 of the temperature collecting assembly. Therefore, through using above-mentioned temperature acquisition subassembly in battery module, can effectively improve the accuracy to electric core temperature monitoring control, improve battery module operational safety nature and life. In addition, the support 21 can also be used for bearing connecting sheets, and the battery cells are electrically connected through the connecting sheets. The support is an insulating support, for example, a plastic support.

The embodiment of the utility model provides a still disclose a vehicle, the vehicle includes aforementioned battery module. It can be understood that, the above-mentioned battery module of application in the vehicle, the temperature control of battery module is more accurate, when helping to improve battery security and life, also is favorable to promoting the security of riding of vehicle.

The following is directed to the embodiment of the present invention provides a temperature acquisition assembly for specific description.

Referring to fig. 1 to 3, a temperature acquisition assembly provided by an embodiment of the present invention is shown and fixed on a support 21, where the support 21 is fixed on an electric core 20. The temperature acquisition assembly comprises a fixed seat 10, a heat-conducting metal piece 11 and a temperature sensor 12;

the fixing base 10 is fixed on the support 21, the fixing base 10 is provided with an accommodating space 101, the temperature sensor 12 and the heat-conducting metal piece 11 are arranged in the accommodating space 101, the temperature sensor 12 is used for collecting the temperature of the battery cell 20, the heat-conducting metal piece 11 is connected with the temperature sensor 12 in a heat-conducting manner, the accommodating space 101 is provided with an opening, and the heat-conducting metal piece 11 is exposed from the opening to be in contact with the battery cell 20.

Particularly, as shown in fig. 1 to fig. 3, in the temperature collection assembly disclosed in the embodiment of the present invention, the temperature collection assembly may be fixed on the support 21, and the support 21 is fixed on the electric core 20. The fixing base 10 is used for mounting and fixing the temperature sensor 12 and the heat conducting metal piece 11, the fixing base 10 can be manufactured by injection molding through a mold to form an accommodating space 101, and the shape and the volume of the accommodating space 101 can meet the requirement that the temperature sensor 12 and the heat conducting metal piece 11 are embedded. The accommodating space 101 at least has an opening facing one side of the battery cell 20, when the temperature sensor 12 and the heat conducting metal member 11 are embedded inside the accommodating space 101, the temperature sensor 12 and the heat conducting metal member 11 may directly or indirectly contact each other, and the heat conducting metal member 11 is exposed from the opening of the accommodating space 101. After the fixing base 10 of the temperature acquisition assembly is assembled and connected with the bracket 21, the heat-conducting metal piece 11 exposed from the accommodating space 101 may contact with the battery cell 20. Because the heat conductivity coefficient of the metal material is higher, the heat of the battery cell 20 can be more rapidly conducted to the temperature sensor 12 through the heat-conducting metal piece 11, so that the temperature sensor 12 can acquire the current temperature of the battery cell.

It should be noted that the heat-conducting metal member 11 may be made of an aluminum sheet. Through tests, when the thickness of the aluminum sheet is 0.5 mm-1 mm, the heat conductivity coefficient is 217.7W/m²The heat conduction capability is improved by 400 times compared with that of a silica gel material. By comparing with a thermocouple with higher accuracy, aiming at a certain thermocoupleAnd when the thermocouple is used for acquiring the temperature, the maximum temperature difference is only 2.5 ℃, and when the traditional temperature acquisition assembly without the heat conduction metal sheet is used for acquiring the temperature of the same point to be measured, the maximum temperature difference is 6 ℃. However, when the temperature is collected by the temperature collection assembly added with the heat conduction metal sheet aiming at the same point to be measured, the maximum temperature difference is 3 ℃. As can be seen, the temperature difference of the same point to be measured is reduced, i.e. the accuracy is higher. Therefore, when an aluminum sheet is used as the heat conductive metal sheet 12, the accuracy of temperature collection can be significantly improved. In practical application, the copper sheet or other metal materials can be selected and used according to actual working conditions, heat conduction requirements and comprehensive economic factors.

The embodiment of the utility model provides a, through providing a temperature acquisition subassembly, this temperature acquisition subassembly is through setting up the heat conduction metalwork in the fixing base, inlay the temperature sensor and heat conduction metalwork in the accommodation space of fixing base, the heat conduction metalwork is connected with temperature sensor heat conduction, the heat conduction metalwork exposes from the opening part of accommodation space can with electric core contact, thereby, the higher heat conduction metalwork of heat accessible coefficient of heat conductivity conducts rapidly for temperature sensor, reduce the hysteresis quality to electric core temperature's collection, improve electric core temperature acquisition's timeliness and accuracy.

Optionally, referring to fig. 1 or fig. 2, the opening is disposed on one side of the fixing seat 10 close to the battery cell 20, and the end surface of the heat conducting metal piece 11 close to the battery cell 20 is flush with the end surface of the fixing seat 10 close to the battery cell 20, so that the space occupied by the temperature acquisition assembly can be reduced, and the structure of the battery module is more compact.

Specifically, as shown in fig. 1 or fig. 2, in an embodiment, the size of the heat conducting metal part 11 may be designed reasonably in an earlier stage, so as to ensure that the surface of the heat conducting metal part 11 exposed from the accommodating space 101 is flush with the end surface of the fixing base 10 close to the battery cell 20, so as to avoid that the heat conducting of the heat conducting metal part 11 caused by being recessed relative to the fixing base 10 is not smooth enough, and also avoid that the overall size of the temperature acquisition assembly caused by the heat conducting metal part 11 protruding relative to the fixing base 10 is larger.

Optionally, referring to fig. 4, the heat-conducting metal piece 11 is connected with the fixing base 10 to form an accommodating cavity with one open side, the temperature sensor 12 is located in the accommodating cavity, and a gap between the temperature sensor 12 and the cavity wall of the accommodating cavity is filled with a heat-conducting glue 13.

Specifically, as shown in fig. 4, in one embodiment, after the heat-conducting metal piece 11 is connected to the fixing base 10, a receiving cavity may be defined, the receiving cavity may have a shape and a volume matched with the temperature sensor 12, and the temperature sensor 12 may be embedded in the receiving cavity. In order to make the temperature sensor 12 more reliably mounted in the accommodating cavity, the gap between the temperature sensor 12 and the accommodating cavity can be filled with the heat-conducting glue 13, the temperature sensor 12 is completely wrapped by the viscosity of the heat-conducting glue 13, and the temperature sensor 12 can be adhered in the accommodating cavity. Simultaneously, heat-conducting glue 13 still fills the clearance, avoids the clearance to lead to being interrupted of heat conduction, guarantees heat transfer's continuity, promotes the accuracy of temperature acquisition. The embodiment of the utility model provides an in used heat-conducting glue 13 can be for gluing stickness sealed glue such as epoxy casting glue or polyurethane casting glue, can understand that these heat-conducting glue 13 are filled the thickness after the solidification and are thinner, when playing the bonding sealing effect, can not hinder thermal conduction again.

Optionally, a groove is formed in the cavity wall of the accommodating cavity, and the groove is filled with the heat-conducting glue 13.

Specifically, in one embodiment, in order to improve the reliability of the mounting and fixing of the temperature sensor 12, when the heat conductive adhesive 13 needs to be filled in the gap between the temperature sensor 12 and the accommodating chamber, a groove with concave and convex undulations may be provided on the inner wall of the accommodating chamber. For the accommodating cavity with a cylindrical cavity structure, the groove may be arranged in the circumferential direction of the inner wall of the accommodating cavity, for example, for the accommodating cavity with a cylindrical cavity, the groove may be arranged around the cylindrical surface of the inner wall in the circumferential direction, that is, the extending direction of the length of the groove intersects with the axial direction of the accommodating cavity, or may even be perpendicular to the axial direction of the accommodating cavity. After the heat-conducting glue 13 is injected, the heat-conducting glue 13 can enter a circumferential groove on the inner wall of the accommodating cavity, and the sealant and the temperature sensor 12 are prevented from moving in the axial direction of the accommodating cavity after being cured. Therefore, the groove on the inner wall of the accommodating cavity helps to prevent the heat-conducting glue 13 from slipping along the embedding direction of the temperature sensor 12 after being cured, and the installation reliability of the temperature sensor 12 can be improved.

Optionally, referring to fig. 5, the heat conducting metal piece 11 includes a body 111 and connecting portions 112 disposed on two opposite sides of the body, two opposite inner walls of the accommodating space 101 are respectively provided with an embedded groove 1011, and the connecting portions 112 are correspondingly embedded in the embedded grooves 1011.

Specifically, as shown in fig. 5, in one embodiment, an insertion groove 1011 is formed on an inner wall of the accommodating space 101 formed on the fixing base 10, the heat conducting metal member 11 includes a body 111 and a connecting portion 112, and the connecting portion 112 is connected to two sides of the body 111. In actual manufacturing, the heat conductive metal member 11 may be manufactured by stamping using a die, so that the two connecting portions 112 form a certain angle with the body 111, and the two connecting portions 112 are opened in a shape of a Chinese character 'ba'. Therefore, when the heat-conducting metal member 11 is embedded in the accommodating space 101, the connecting portion 112 can be embedded in the embedded groove 1011, and the heat-conducting metal member 11 can be prevented from falling off from the fixing base 10 by the mutual constraint of the connecting portion 112 and the embedded groove 1011.

Optionally, referring to fig. 4 or 5, the fixing seat 10 includes a connector 102 and a protection member 103 connected to the connector 101, the connector 102 is fixed on the bracket 21, and the accommodating space 101 is opened in the protection member 103.

Specifically, as shown in fig. 4 or fig. 5, in one embodiment, the fixing base 10 may include two parts, one part is a connecting member 102 for fixedly connecting with the bracket 21. The other part is a protection member 103 for protecting the temperature sensor 12. The connecting member 102 and the protecting member 103 are fixedly connected into a whole, and when the two materials are the same, the connecting member and the protecting member can be processed and formed into an integral structure at one time, and when the two materials are different, the connecting member and the protecting member can be connected into a whole by means of bonding and the like after being processed and manufactured respectively. For example, the connector 102 may be a rigid, hard, and non-deformable plastic or metal connector. The protection member 103 needs to provide a buffer effect and achieve an interference fit effect, so the protection member 103 may be a silicone connector with a relatively low rigidity and a relatively soft hardness. For the plastic connecting piece and the silica gel connecting piece, the plastic connecting piece and the silica gel connecting piece can be connected into a whole by a chemical method through a vulcanization process. For the metal connecting piece and the silica gel connecting piece, the metal connecting piece and the silica gel connecting piece can be integrally connected and fixed in an insert injection molding mode.

The connector 102 is fixedly connected with the bracket 21, the protection member 103 is used for installing and fixing the temperature sensor 12 through the accommodating space 101 arranged in the protection member 103, the temperature sensor 12 can be embedded in the accommodating space 101, and the protection member 103 can wrap the temperature sensor 12. It should be noted that, in the embodiment of the present invention, the hardness of the protection member 103 is smaller than that of the connection member 102, it is easy to understand that the protection member 103 is easier to deform than the connection member 102 when being squeezed by an external force, and on the one hand, the deformation of the protection member 103 can ensure that the temperature acquisition assembly is interference-assembled, so as to reduce the risk of loosening and shaking. On the other hand, the protector 103 may be brought into close contact with the temperature sensor 12 after being deformed. For example, the connector 102 may be a plastic connector, and the protection member 103 may be an elastic connector.

Alternatively, referring to fig. 1, the connector 102 is snap-fitted to the bracket 21.

Specifically, as shown in fig. 1, in one embodiment, the connector 102 described above can be used to snap-fit to the bracket 21. The connecting piece 102 is clamped by the bracket 21, so that the detachable connection of the temperature acquisition assembly and the battery cell 20 can be realized, and the maintenance and the replacement are convenient.

Optionally, referring to fig. 1 and 5, the connector 102 includes a first connecting plate 1021 and a second connecting plate 1022 which are connected to each other, the protection member 103 is disposed on a side of the first connecting plate 1021 near the battery cell 20, and the first connecting plate 1021 and the second connecting plate 1022 are respectively fixed to the bracket 21 in a clamping manner.

Specifically, as shown in fig. 1 and 5, in one embodiment, the connection member 102 may be fastened by deformation of a material, the connection member 102 includes a first connection plate 1021 and a second connection plate 1022, the first connection plate 1021 and the second connection plate 1022 are integrally connected, and the second connection plate 1022 extends from the first connection plate 1021 and is bent to be spaced from the first connection plate 1021 by a predetermined distance. Therefore, when the second connecting plate 1022 is pressed, the second connecting plate 1022 moves close to the first connecting plate 1021, and after the external force is removed, the second connecting plate 1022 can be reset, so that the fastening of the connecting member 102 can be realized by using the elastic deviation of the second connecting plate 1022. The first connecting plate 1021 is further provided with a protruding clamping claw 10211, the second connecting plate 1022 is provided with a clamping groove 10221, correspondingly, a clamping hole 211 is formed in a temperature acquisition area of the support 21 corresponding to the electric core 20, and a clamping structure matched with the clamping claw 10211 and the clamping groove 10221 can be arranged on the side wall of the clamping hole 211. Therefore, when the connecting piece 102 is embedded into the clamping hole 211, the temperature collecting assembly can be fixed, and when the temperature collecting assembly is located in the clamping hole 211, the heat-conducting metal piece 11 is in contact with the battery cell 20. That is, the heat accumulated on the battery cell 20 is conducted to the heat conductive metal member 11 and further conducted to the temperature sensor 12. It will be appreciated that the second connecting plate 1022 described above may facilitate quick and easy removal and replacement of the temperature acquisition assembly. Of course, in practical applications, the connecting member 102 may be fixed to the bracket 20 by using an adhesive or a screw fastening method according to the working condition.

Optionally, referring to fig. 1 or 5, the connector 102 further includes a third connecting plate 1023, the third connecting plate 1023 is connected between the first connecting plate 1021 and the second connecting plate 1022, the third connecting plate 1023 and the first connecting plate 1021 enclose a limiting cavity, the protection member 103 is disposed in the limiting cavity, and the second connecting plate 1022 and the third connecting plate 1023 extend along a direction from the protection member 103 to the first connecting plate 102 and a direction away from each other.

Specifically, as shown in fig. 1 or 5, in one embodiment, in order to fixedly connect the protection member 103 with the connector 102, the connector 102 may further include a third connecting plate 1023, one end of the third connecting plate 1023 is connected with the first connecting plate 1021 and the other end is connected with the second connecting plate 1022, and a connecting portion of the third connecting plate 1023 and the second connecting plate 1022 is in a smooth transition structure to avoid stress concentration. The angle between the third connecting plate 1023 and the first connecting plate 1021 may be obtuse, for example, the angle may be 90 degrees to 120 degrees. The corner positions of the third connecting plate 1023 and the first connecting plate 1021 can be enclosed to form a limiting cavity with two sides being enclosed, that is, the limiting cavity is supported by the third connecting plate 1023 and the first connecting plate 1021, and the protection member 103 can be bonded or arranged in the limiting cavity in a clamping manner.

As for the second connecting plate 1022 and the third connecting plate 1023, both are arranged along the direction of the line connecting the protector 103 and the first connecting plate 102, and the second connecting plate 1022 and the third connecting plate 1023 extend in the same direction from the connecting portion thereof and are away from each other, forming a wedge-shaped gap therebetween. Referring to fig. 3, the third connecting plate 1023 extends from the first connecting plate 1021, and then is bent reversely to connect with the second connecting plate 1022, so as to form the connecting element 102. Thus, the second connection plate 1022 may be spaced apart from the first connection plate 1021 by a preset distance, which may be used to accommodate elastic deformation of the second connection plate 1022.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

As is readily imaginable to the person skilled in the art: any combination of the above embodiments is possible, and thus any combination of the above embodiments is an embodiment of the present invention, but the present disclosure is not necessarily detailed herein due to space limitations.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: rather, the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Claims

1. A temperature acquisition assembly is fixed on a bracket, and the bracket is fixed on an electric core;

2. The temperature collection assembly of claim 1, wherein the opening is disposed at a side of the fixing seat close to the battery cell, and an end surface of the heat-conducting metal member close to the battery cell is flush with an end surface of the fixing seat close to the battery cell.

3. The assembly according to claim 1, wherein the heat conducting metal member is connected to the fixing base to form a containing cavity with one open side, the temperature sensor is located in the containing cavity, and a gap between the temperature sensor and the wall of the containing cavity is filled with heat conducting glue.

4. The temperature collection assembly of claim 3, wherein the cavity wall of the accommodating cavity is provided with a groove, and the groove is filled with heat-conducting glue.

5. The assembly of claim 1, wherein the heat conducting metal member includes a body and connecting portions disposed on opposite sides of the body, and two inner walls of the accommodating space are respectively provided with an inserting groove, and the connecting portions are correspondingly inserted into the inserting grooves.

6. The assembly of claim 1, wherein the fixing base includes a connecting member and a protecting member connected to the connecting member, the connecting member is fixed to the bracket, and the receiving space is disposed in the protecting member.

7. The temperature-sensing assembly of claim 6, wherein the connector is snap-fit to the bracket.

8. The assembly of claim 7, wherein the connecting member comprises a first connecting plate and a second connecting plate connected to each other, the protecting member is disposed on a side of the first connecting plate close to the battery cell, and the first connecting plate and the second connecting plate are respectively fixed to the bracket in a snap-fit manner.

9. The temperature-sensing assembly of claim 8, wherein the connector further comprises a third connecting plate connected between the first and second connecting plates, the third connecting plate and the first connecting plate enclosing a spacing cavity, the protector being disposed within the spacing cavity, the second and third connecting plates extending in a direction from the protector to the first connecting plate and away from each other.

10. A battery module, wherein the battery module comprises a battery core, a bracket and the temperature acquisition assembly of any one of claims 1 to 9;

11. A vehicle characterized by comprising the battery module according to claim 10.