CN218586073U - Adopt temperature subassembly and battery module - Google Patents
Adopt temperature subassembly and battery module Download PDFInfo
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- CN218586073U CN218586073U CN202222390223.6U CN202222390223U CN218586073U CN 218586073 U CN218586073 U CN 218586073U CN 202222390223 U CN202222390223 U CN 202222390223U CN 218586073 U CN218586073 U CN 218586073U
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- temperature
- collection assembly
- electric core
- cover body
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The application relates to a adopt temperature subassembly and battery module, it includes: adopt the temperature subassembly body, adopt the temperature subassembly body including a plurality of temperature sensor, a plurality of temperature sensor are arranged in gathering the temperature of electric core in the battery module, and among a plurality of temperature sensor, two at least temperature sensor highly different on electric core, a plurality of temperature sensor are used for setting up in the electric core casing outside. The utility model discloses in, a plurality of temperature sensor set up on electric core direction of height, and the inside temperature of electric core is pressed close to more to the temperature information of collection, can give the temperature difference of the last lower extreme of electric core simultaneously, in the biggest charge-discharge capacity of performance electric core, reduces because the inaccurate overdischarge condition that produces of temperature.
Description
Technical Field
The application relates to the field of batteries, in particular to a temperature collecting assembly and a battery module.
Background
The operating temperature of electric core can influence the security performance of battery module in the battery module, consequently, it is significant to electric core operating temperature's detection, the position of temperature acquisition is different, temperature difference can be great sometimes, especially when dispelling the heat to electric core, if after applying the water-cooling to electric core bottom, the electric core module can have temperature difference on the height gradient, current temperature sensor is mostly the temperature that detects electric core top cap or connect the connection piece (also can be called the piece of ba between the electric core, the piece that converges), the temperature of collecting with the temperature sensor at electric core module top simply can have the distortion condition as the detection standard.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a adopt temperature subassembly and battery module to there is the problem of temperature distortion in the temperature that temperature sensor only detected electric core top cap or connection piece among the solution correlation technique.
In order to achieve the above object, the utility model provides a following technical scheme: in a first aspect, a temperature collection assembly is provided, comprising: the temperature collection assembly comprises a temperature collection assembly body, wherein the temperature collection assembly body comprises a plurality of temperature sensors, the temperature sensors are used for collecting the temperature of an electric core in a battery module, the temperature sensors are multiple, at least two of the temperature sensors are arranged in the electric core, the heights of the temperature sensors are different, and the temperature sensors are multiple and are used for being arranged outside an electric core shell.
In some embodiments, the temperature collection assembly further includes a carrier plate, the plurality of temperature sensors are disposed on the carrier plate, the carrier plate extends along the height direction of the battery cell, and the carrier plate is a straight plate or a curved plate; or, the temperature collection assembly further comprises a plurality of bearing plates, each bearing plate is provided with a temperature sensor, and the temperature sensors are mutually independently arranged on different heights of the battery core.
In some embodiments, one end of the bearing plate is bent toward the top end of the battery cell, and a connecting member is disposed at one end of the bearing plate and used for connecting with a sampling device of a battery module.
In some embodiments, the temperature collection assembly further comprises: the cover body is used for being assembled on at least one battery cell, the cover body is used for being arranged along the height direction of the battery cell, and the bearing plate is located in the cover body.
In some embodiments, the top of the housing has a notch through which the carrier plate passes.
In some embodiments, the cover body is provided with a through groove, and the temperature sensor is located in the through groove and is used for contacting with the surface of the battery cell.
In some embodiments, a supporting plate is arranged at the top end of the cover body, the extending direction of the supporting plate is perpendicular to the height direction of the battery cell, and an opening communicated with the notch at the top of the cover body is formed in the supporting plate.
In a second aspect, there is provided a battery module including: the temperature collection assembly is arranged on at least one of the battery cells.
In some embodiments, an accommodating space for accommodating the temperature collection assembly is formed between a plurality of adjacent battery cells.
In some embodiments, the battery module further includes a side plate disposed at one side of the plurality of stacked electric cores; a plurality of adjacent be formed with between electric core and the curb plate and be used for holding the accommodation space who adopts the temperature subassembly.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a adopt temperature subassembly and battery module, a plurality of temperature sensor set up on electric core direction of height, and the inside temperature of electric core is pressed close to the temperature information of collection more, can give the temperature difference of the last lower extreme of electric core simultaneously, when the biggest charge-discharge capacity of performance electric core, reduces because the excessive condition of putting that the temperature is inaccurate to produce.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an exploded view of a battery module according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a temperature collection assembly provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a temperature collection assembly according to an embodiment of the present disclosure;
fig. 4 is a top view of a battery cell and a side plate provided in the embodiment of the present application.
In the figure: 1. an electric core; 10. an accommodating space;
2. a temperature collection assembly body; 20. a connecting member; 21. a carrier plate; 22. a temperature sensor;
3. a sampling device; 31. sampling a sample sheet;
4. a side plate;
5. a cover body; 50. a through groove;
6. a support plate; 60. and (4) opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
Referring to fig. 1 to 4, the embodiment of the application provides a temperature acquisition assembly and a battery module, which can solve the problem that a temperature sensor in the related art only detects the temperature of a cell top cover or a connecting sheet and causes temperature distortion.
In a first aspect, an embodiment of the present application provides a temperature collection assembly, which includes: adopt temperature subassembly body 2, adopt temperature subassembly body 2 and include a plurality of temperature sensor 22, a plurality of temperature sensor 22 are arranged in gathering the temperature of electric core 1 in the battery module, and in a plurality of temperature sensor 22, two at least temperature sensor 22 highly different on electric core 1, a plurality of temperature sensor 22 are used for setting up in the 1 casing outside of electric core.
In this application, a plurality of temperature sensor 22 set up on 1 direction of height of electric core, and 1 inside temperature of electric core is pressed close to more to the temperature information of collection, can give the temperature difference of the last lower extreme of electric core 1 simultaneously, in the biggest charge-discharge capacity of performance electric core 1, reduces because the excessive circumstances of putting that the temperature is inaccurate to produce, reaches the purpose that promotes battery module low temperature performance, extension battery module life.
In order to collect the temperature signal collected by the temperature sensor 22 and make the temperature collection assembly body 2 be more conveniently assembled on the electrical core 1, in a possible embodiment, the temperature collection assembly body 2 provided in the embodiment of the present application may include a loading plate 21, the plurality of temperature sensors 22 are disposed on the loading plate 21, and the loading plate 21 is connected to the temperature sensors 22 and configured to collect the temperature signal collected by the temperature sensors 22 and convert the temperature signal into an electrical signal.
The loading plate 21 is connected to the electrical core 1 in a manner of being bonded to the surface of the electrical core 1, being soldered to the surface of the electrical core 1, or in another connection manner, the loading plate 21 extends along the height direction of the electrical core 1, and the loading plate 21 may be a Printed Circuit Board (PCB), a Flexible Circuit Board (FPC), or in another electrical connection manner;
in this embodiment, the carrier plate 21 may have different shapes depending on the arrangement of the plurality of temperature sensors 22, for example:
in some possible embodiments, the carrier plate 21 is a straight plate, specifically, the central axes of the plurality of temperature sensors 22 disposed on the battery cell 1 are on the same vertical line, in this embodiment, the heights of each temperature sensor 22 on the battery cell 1 are different, and each temperature sensor 22 can collect the temperatures at different heights on the same battery cell 1.
In other possible embodiments, the carrier plate 21 is a curved plate, and a plurality of temperature sensors 22 are installed on different positions of the carrier plate 21, in which embodiment, the temperature sensors 22 have various arrangements, such as: some of the temperature sensors 22 may be at the same height of the battery cell 1, another part of the temperature sensors 22 is at the same height of the battery cell 1, the two parts of the temperature sensors 22 are at different heights on the battery cell 1, or each temperature sensor 22 is at a different height on the battery cell 1; the embodiment of the present application is only taken as an example, and is not limited thereto, and the plurality of temperature sensors 22 may also have other arrangement manners, which is not listed in the embodiment of the present application, and in this embodiment, different arrangement manners may be selected according to actual needs.
Or, in another possible embodiment, the temperature collection assembly body 2 provided in this embodiment of the present application may include a plurality of carrier plates 21, one temperature sensor 22 is disposed on each carrier plate 21, and the plurality of temperature sensors 22 are independently disposed at different heights of the battery cell 1, that is, the number of the temperature sensors 22 is the same as that of the carrier plates 21, in this embodiment, one part of the plurality of temperature sensors 22 may be at the same height of the battery cell 1, another part of the plurality of temperature sensors 22 is at the same height of the battery cell 1, the heights of the two parts of the plurality of temperature sensors 22 on the battery cell 1 are different, or the heights of each of the plurality of temperature sensors 22 on the battery cell 1 are different. Compared with the arrangement of arranging a plurality of temperature sensors 22 on one bearing plate 21, the arrangement mode can enable a user to collect temperature signals at different positions more accurately.
The above embodiments are merely various possible implementations of the embodiments of the present application, and the embodiments of the present application are not limited thereto, and in other possible implementations, the temperature collection assembly body 2 may implement transmission of the signals collected by the plurality of temperature sensors 22 to the sampling device 3 of the battery module through other structures.
In order to make the electrical signal of temperature signal conversion smoothly transmit to the sampling device 3 of battery module, on the basis of any of the above-mentioned embodiments, in this embodiment, one end of the bearing plate 21 is bent towards the top end close to the electric core 1, at this moment, the connecting line between the two ends of the bearing plate 21 and the bending position of the bearing plate 21 can form a triangle, one end of the bearing plate 21 is provided with the connecting piece 20, the connecting piece 20 is used for being connected with the sampling device 3 of the battery module, the sampling device 3 is connected with the bearing plate 21 through the connecting piece 20 for receiving the electrical signal, the connecting piece 20 can have different expression forms, for example:
in some possible embodiments, the connecting member 20 is a welding piece, and the sampling device 3 is provided with a sampling piece 31, and the welding piece is connected with the sampling piece 31 by welding;
in other possible embodiments, the connector 20 is a connector, and the sampling device 3 is provided with a seat body which is plugged with the connector;
or one end of the bearing plate 21 is provided with a first clamping structure, one end of the sampling device 3 is provided with a second clamping structure, and the first clamping structure and the second clamping structure are mutually clamped.
The above embodiments are merely various possible implementations of the embodiments of the present application, and the embodiments of the present application are not limited thereto.
In order to avoid adopting temperature subassembly body 2 to connect the back pressurized failure on electric core 1, in a possible embodiment, should adopt temperature subassembly still including the cover body 5, cover body 5 is used for the group to locate on at least one electric core 1, cover body 5 sets up along electric core 1 direction of height, and loading board 21 is located cover body 5.
In this embodiment, protect adopting temperature subassembly body 2 through setting up the cover body 5, adopt temperature subassembly body 2 to set up in the cover body 5, the cover body 5 is connected with electric core 1, cover body 5 top has a breach, perhaps cover body 5 side has a breach, make loading board 21 one end can pass the breach and pass through connecting piece 20 and be connected with sampling device 3, again perhaps, cover body 5 one end is sealed, the one end opening, make loading board 21 one end can pass the cover body 5 opening part and pass through connecting piece 20 and be connected with sampling device 3. This application embodiment does not do the restriction to the concrete structure of the cover body 5, for example, the cover body 5 can adopt the heat conduction material to make, adopt temperature subassembly body 2 and the laminating of the 5 walls of the cover body, temperature sensor 22 is connected through cover body 5 is indirect with 1 surface of electric core, for example again, logical groove 50 has been seted up on the cover body 5, temperature sensor 22 is located logical groove 50, and direct and 1 surface contact of electric core, compare the mode that sets up of adopting 2 indirect and 1 connections of electric core of temperature subassembly body, temperature sensor 22 is direct to be connected with 1 of electric core and can make the temperature information of gathering more accurate.
When connecting piece 20 is the welding piece, it is more convenient when making sampling piece 31 and connecting piece 20 weld, be provided with backup pad 6 on cover body 5 top, backup pad 6 extending direction is perpendicular with electric core 1 direction of height, and backup pad 6 plays the effect of a support to connecting piece 20, offers the opening 60 with the breach intercommunication at cover body 5 top on backup pad 6, makes loading board 21 one end can pass breach and opening 60 and be connected with sampling device 3 through connecting piece 20.
In a second aspect, an embodiment of the present application provides a battery module, which includes: the temperature collecting component is arranged on at least one battery cell 1.
In this embodiment, a plurality of temperature sensor 22 set up on 1 direction of height of electric core, and the temperature information of collection is pressed close to 1 inside temperature of electric core more, can give the temperature difference of the last lower extreme of electric core 1 simultaneously, when the biggest charge-discharge ability of performance electric core 1, reduces because the excessive condition of putting that the temperature is inaccurate to produce, reaches the purpose that promotes battery module low temperature performance, extension battery module life.
Not occupy unnecessary space after connecting on electric core 1 for making the cover body 5, adopt the temperature subassembly for further protection simultaneously, set up the groove of stepping down on electric core 1, the groove of stepping down sets up along electric core 1 direction of height, is equipped with the cover body 5 that adopts temperature subassembly body 2 or adopts temperature subassembly body 2 and can set up at the inslot of stepping down.
The shape and the size of the abdicating groove are set according to the actual use condition;
in some embodiments, the cover body 5 provided with the temperature collection component body 2 or the temperature collection component body 2 is integrally arranged in the abdicating groove;
in other embodiments, after the plurality of battery cores 1 are connected, an accommodating space 10 for accommodating the temperature collection component body 2 is formed between the plurality of adjacent battery cores 1, at this time, the single yielding groove cannot accommodate the cover body 5 equipped with the temperature collection component body 2 or the temperature collection component body 2, and an accommodating space 10 is formed between the plurality of adjacent yielding grooves and is used for accommodating the cover body 5 equipped with the temperature collection component body 2 or the temperature collection component body 2.
The above embodiments are merely various possible implementations of the embodiments of the present application, and the embodiments of the present application are not limited thereto.
The abdicating groove can also be provided in different shapes, for example:
in some embodiments, the radial cross section of the abdicating groove is a semicircle, two abdicating grooves are spliced to form an accommodating space 10 with a circular radial cross section, when a single abdicating groove can accommodate the cover body 5 with the temperature collection component body 2 or the temperature collection component body 2, the radial cross section of the cover body 5 can also be a semicircle, and when the cover body 5 needs to be arranged in the accommodating space 10, the radial cross section of the cover body 5 can also be a circle.
In other embodiments, the radial cross section of the abdicating groove is rectangular, and a plurality of abdicating grooves are spliced to form an accommodating space 10 with a rectangular radial cross section, and at this time, the radial cross section of the cover body 5 may also be rectangular.
In still other embodiments, as shown in fig. 4, the receding grooves are disposed at four corners of the electrical core 1, a radial cross section of each of the receding grooves is triangular, a plurality of the receding grooves are spliced to form an accommodating space 10 having a parallelogram or a triangle radial cross section, the parallelogram includes a rectangle, and at this time, a radial cross section of the cover body 5 may be triangular.
The above embodiments are merely various possible implementations of the embodiments of the present application, and the embodiments of the present application are not limited thereto.
Of course, the shape and size of the radial section of the cover body 5 can be set according to the shape and size of the radial section of the abdicating groove or the accommodating space 10, or the radial section of the cover body 5 can be in any shape, and it is only required to ensure that the temperature acquisition assembly body 2 can be accommodated in the cover body 5, and the cover body 5 can be integrally arranged in the abdicating groove or the accommodating space 10 after being installed in the abdicating groove or the accommodating space 10.
When the cover body 5 provided with the temperature collection assembly body 2 or the temperature collection assembly body 2 is arranged on one side of the battery module, the battery module further comprises a side plate 4, wherein the side plate 4 is arranged on one side of the plurality of stacked battery cores 1 and is used for protecting the cover body 5 provided with the temperature collection assembly body 2 or the temperature collection assembly body 2 arranged on the side surface of the battery core 1; be formed with the accommodation space 10 that is used for holding and adopts temperature subassembly body 2 between a plurality of adjacent electric cores 1 and curb plate 4 this moment, form an accommodation space 10 between a plurality of adjacent groove of stepping down and the curb plate 4 promptly.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A temperature collection assembly, comprising:
adopt temperature subassembly body (2), adopt temperature subassembly body (2) including a plurality of temperature sensor (22), it is a plurality of temperature sensor (22) are arranged in gathering the temperature of electric core (1) in the battery module, and are a plurality of in temperature sensor (22), at least two temperature sensor (22) are in highly different on electric core (1), it is a plurality of temperature sensor (22) are used for setting up in electric core (1) casing outside.
2. A temperature collection assembly according to claim 1, wherein: the temperature collection assembly further comprises a bearing plate (21), the temperature sensors (22) are arranged on the bearing plate (21), the bearing plate (21) extends along the height direction of the battery cell (1), and the bearing plate (21) is a straight plate or a bent plate;
or the temperature collection assembly further comprises a plurality of bearing plates (21), each bearing plate (21) is provided with one temperature sensor (22), and the plurality of temperature sensors (22) are independently arranged on different heights of the battery cell (1).
3. A temperature collection assembly according to claim 2, wherein:
bearing plate (21) one end is towards being close to electric core (1) top is buckled, bearing plate (21) one end is provided with connecting piece (20), connecting piece (20) are used for being connected with sampling device (3) of battery module.
4. A temperature collection assembly according to claim 2, further comprising:
the battery cover comprises a cover body (5), wherein the cover body (5) is used for being assembled on at least one battery cell (1), the cover body (5) is used for being arranged along the height direction of the battery cell (1), and the bearing plate (21) is located in the cover body (5).
5. A temperature collection assembly according to claim 4, wherein:
the top of the cover body (5) is provided with a notch, and the bearing plate (21) penetrates through the notch.
6. A temperature collection assembly according to claim 5, wherein:
a through groove (50) is formed in the cover body (5), and the temperature sensor (22) is located in the through groove (50) and is used for being in surface contact with the battery core (1).
7. A temperature collection assembly according to claim 5, wherein:
the battery cover is characterized in that a supporting plate (6) is arranged at the top end of the cover body (5), the extending direction of the supporting plate (6) is perpendicular to the height direction of the battery cell (1), and an opening (60) communicated with a notch at the top of the cover body (5) is formed in the supporting plate (6).
8. A battery module, characterized in that it includes:
a temperature collection assembly as claimed in any one of claims 1 to 7;
the battery comprises a plurality of battery cells (1), and at least one battery cell (1) is provided with a temperature collection assembly.
9. The battery module according to claim 8, wherein: an accommodating space (10) for accommodating a temperature collection assembly is formed between the adjacent electric cores (1).
10. The battery module according to claim 8, wherein:
the battery module further comprises a side plate (4), wherein the side plate (4) is arranged on one side of the plurality of stacked battery cores (1); a plurality of adjacent electric cores (1) and side plates (4) are formed with accommodating space (10) for accommodating the temperature collection assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222390223.6U CN218586073U (en) | 2022-09-08 | 2022-09-08 | Adopt temperature subassembly and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222390223.6U CN218586073U (en) | 2022-09-08 | 2022-09-08 | Adopt temperature subassembly and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218586073U true CN218586073U (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222390223.6U Active CN218586073U (en) | 2022-09-08 | 2022-09-08 | Adopt temperature subassembly and battery module |
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| Country | Link |
|---|---|
| CN (1) | CN218586073U (en) |
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2022
- 2022-09-08 CN CN202222390223.6U patent/CN218586073U/en active Active
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