CN214505714U - Battery pack and energy storage unit - Google Patents
Battery pack and energy storage unit Download PDFInfo
- Publication number
- CN214505714U CN214505714U CN202120651816.6U CN202120651816U CN214505714U CN 214505714 U CN214505714 U CN 214505714U CN 202120651816 U CN202120651816 U CN 202120651816U CN 214505714 U CN214505714 U CN 214505714U
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- Prior art keywords
- battery
- temperature sensing
- sensing assembly
- battery pack
- upper side
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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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
Abstract
The application discloses battery package and energy storage unit, battery package includes: a battery case; the battery comprises a plurality of battery cells, a plurality of battery cells and a plurality of battery cells, wherein the battery cells are arranged in a battery shell, and a spacing frame is arranged between every two adjacent battery cells; the flexible circuit board is arranged in the battery shell, the flexible circuit board is provided with connecting support legs, and the lower side surfaces of the connecting support legs are suitable for receiving heat of the battery cell; the temperature sensing assembly is arranged on the upper side surface of the connecting support leg so as to detect the temperature of the corresponding battery cell; wherein, two spacing frames adjacent to the temperature sensing assembly are provided with a limiting structure for limiting the movement of the temperature sensing assembly. According to the battery pack of this application, place the temperature sensing assembly on connecting the stabilizer blade, the heat of electric core is directly gathered to temperature sensing assembly accessible flexible circuit board to limit the removal of temperature sensing assembly through limit structure on two adjacent interval frames, do benefit to fixedly with the temperature sensing assembly.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery pack and an energy storage unit.
Background
With the gradual development of new energy, the positions of the battery cell temperature acquisition may be different according to different battery cell structure forms or different battery cell use conditions in the battery pack. When the power battery package in the current new energy vehicle is gathering electric core temperature, some can not directly gather electric core temperature, but gather the temperature of busbar, but how to protect and fix the temperature device and how the problem that technical staff in this field needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art.
Therefore, an object of the present application is to provide a battery pack, which can achieve temperature collection, and has good fixity of a temperature sensing assembly and good heat conduction and transmission performance;
another object of the present application is to provide an energy storage unit, which includes the above battery pack.
In order to achieve the above object, one aspect of the present application provides a battery pack including: a battery case; the battery comprises a plurality of battery cells, a plurality of battery cells and a plurality of battery cells, wherein the battery cells are arranged in a battery shell, and a spacing frame is arranged between every two adjacent battery cells; the flexible circuit board is arranged in the battery shell, a connecting support leg is arranged on the flexible circuit board, and the lower side surface of the connecting support leg is suitable for receiving heat of the battery core; the temperature sensing assembly is arranged on the upper side surface of the connecting support leg to detect the temperature of the corresponding battery cell; and two spacing frames adjacent to the temperature sensing assembly are provided with limiting structures for limiting the movement of the temperature sensing assembly.
According to the battery pack of this application, place the temperature sensing assembly on connecting the stabilizer blade, the heat of electric core is directly gathered to temperature sensing assembly accessible flexible circuit board to limit the removal of temperature sensing assembly through limit structure on two adjacent interval frames, do benefit to fixedly with the temperature sensing assembly.
Further, limit structure includes: the two spacing bulges arranged on the spacing frame around the temperature sensing assembly clamp the temperature sensing assembly to limit the temperature sensing assembly.
Further, the temperature sensing assembly includes: the temperature sensor is arranged on the upper side surface of the connecting support leg; the upper end of the protection assembly is fixed on the spacing frame, the lower end of the protection assembly abuts against the upper side face of the connecting support leg, and the upper side face of the connecting support leg and the protection assembly define an accommodating space for accommodating the temperature sensor.
Further, the protection assembly includes: the pressing plate is fixedly connected with the spacing frame; the first supporting block and the second supporting block are spaced, the upper ends of the first supporting block and the second supporting block are connected with the pressing plate, the lower ends of the first supporting block and the second supporting block are abutted against the upper side face of the connecting supporting leg, and the accommodating space is defined by the upper side faces of the first supporting block, the second supporting block and the connecting supporting leg.
Further, the protection assembly further comprises: and the buffer structures are arranged between the pressing plate and the first supporting block and between the pressing plate and the second supporting block at intervals.
Further, the buffering structure is buffering foam to press the first supporting block and the second supporting block against the upper side of the connecting leg when the distance between the pressing plate and the first supporting block and the distance between the pressing plate and the second supporting block are inconsistent.
Furthermore, the pressing plates are respectively clamped and fixed with the two adjacent spacing frames.
Further, the downside of connecting the stabilizer blade is provided with heat-conducting piece, heat-conducting piece with electric core links to each other.
Further, the heat conducting member is a nickel sheet or a steel sheet.
The application provides an energy storage unit in another aspect, and the energy storage unit comprises the battery pack.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a diagram of a temperature sensing assembly in combination with a limiting structure according to an embodiment of the present application;
fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Reference numerals:
the battery case 100 is provided with a battery case,
the cell 10 is provided with a plurality of cells,
a connecting support leg 1, a flexible circuit board 2, a buffer structure 3, a spacing frame 4, a temperature sensor 5, a pressing plate 6,
a first support block 71, a second support block 72,
heat conducting piece 8, spacing arch 9.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
At present, global energy and environmental systems face huge challenges, automobiles need revolutionary transformation as households with petroleum consumption and carbon dioxide emission, new energy automobiles have already developed a consensus, in the long term, pure electric drive including pure electric and fuel cell technologies is the main technical direction of the new energy automobiles, and in the short term, oil-electricity hybrid and plug-in hybrid power is an important transition route. The emergence of new energy automobiles undoubtedly brings hope to the countries with increasingly tense energy.
With the gradual development of new energy, the positions of the battery cell temperature acquisition may be different according to different battery cell structure forms or different battery cell use conditions in the battery pack. When the power battery package in the current new energy vehicle is gathering electric core temperature, some can not directly gather electric core temperature, but gather the temperature of busbar, but how to protect and fix the temperature device and how the problem that technical staff in this field needs to solve urgently.
This application is through the 4 structures of interval frame between two adjacent electric cores 10, and it is spacing to carry out the moving direction to the temperature sensing assembly, easily realizes the fixed of temperature sensing assembly after spacing.
A battery pack according to an embodiment of the present application will be described with reference to fig. 1 to 4, and the portion of the present application relating to an energy storage unit in an energy vehicle is only one specific embodiment of the many embodiments and should not be taken as a specific limitation of the present application.
According to an embodiment of the present application, a battery includes: the battery comprises a battery shell 100, a plurality of battery cells 10, a flexible circuit board 2 and a temperature sensing assembly.
Specifically, a plurality of battery cells 10 are disposed in the battery case 100, and a spacing frame 4 is disposed between two adjacent battery cells 10; the flexible circuit board 2 is arranged in the battery shell 100, the flexible circuit board 2 is provided with connecting support legs 1, and the lower side surfaces of the connecting support legs 1 are suitable for receiving heat of the battery cell 10; the temperature sensing assembly is arranged on the upper side surface of the connecting support leg 1 to detect the temperature of the corresponding battery cell 10; wherein, two spacing frames 4 adjacent to the temperature sensing assembly are provided with a limiting structure for limiting the movement of the temperature sensing assembly.
The battery case 100 serves as a frame of the battery pack, and supports other components in the battery pack, such as: a plurality of electric cores 10, flexible circuit board 2 and temperature sensing assembly in the battery package.
The flexible circuit board 2 is preferred for its excellent characteristics such as light weight, thin thickness, and free bending and folding, in which a part of the flexible circuit board 2 can be bent downward to form the connection leg 1, and in which, with reference to fig. 4, one connection leg 1 can be added to the flexible circuit board 2.
The temperature sensing assembly is placed on the upper side face of the connection support leg 1, the temperature sensing assembly can be used for detecting the temperature of the battery cell 10 corresponding to the battery cell 10, the battery cell 10 at the lowest position transmits the temperature of the battery cell to the connection support leg 1 on the flexible circuit board 2 above, and the temperature sensing assembly obtains the temperature of the corresponding battery cell 10 by detecting the temperature of the flexible circuit board 2.
The spacing frames 4 are arranged between the two battery cores 10, and the two spacing frames 4 can be provided with a limiting structure, the temperature sensing assembly can be limited by the limiting structure to move, it can be considered that the part of the flexible circuit board 2 bent downwards to form the connecting support leg 1 is between the two spacing frames 4, and the temperature sensing assembly is placed on the connecting support leg 1, namely between the two spacing frames 4, the limitation of the temperature sensing assembly in the moving direction can be limited, so that the temperature sensing assembly is always in the connecting support leg 1, namely, the upper ends of the two spacing frames 4 can form the limiting structure, thereby at least limiting the temperature sensing assembly to move in the horizontal direction. Of course, it is understood that the limiting structure may also be a protruding structure disposed on the spacing frame 4, as long as the temperature sensing assembly can be limited.
According to the battery pack of this application, place the temperature sensing assembly on connecting leg 1, the heat of electric core 10 is directly gathered to temperature sensing assembly accessible flexible circuit board 2 to limit the removal of temperature sensing assembly through limit structure on two adjacent interval frames 4, do benefit to and fix the temperature sensing assembly.
According to an embodiment of the present application, the limit structure includes: the two limiting bulges 9 are arranged on the two spacing frames 4 around the temperature sensing assembly, and the two adjacent limiting bulges 9 clamp the temperature sensing assembly to limit the temperature sensing assembly.
The spacing frame 4 is arranged between two battery cells 10, and since the height of the spacing frame 4 is higher than that of the battery cells 10, the upper ends of two adjacent spacing frames 4 form a limiting structure, specifically, limiting protrusions 9 can be formed on the spacing frames 4 on two sides of the battery cells 10, in one embodiment, the two adjacent limiting protrusions 9 form the limiting structure, the temperature sensing assembly is arranged between the two adjacent limiting protrusions 9, and the limiting protrusions 9 on two sides limit the temperature sensing assembly on the battery cell 10 in the middle to limit the movement of the temperature sensing assembly in the horizontal direction.
Of course, the two limit protrusions 9 may be separated by a plurality of spacing frames 4, as shown in fig. 2.
According to one embodiment of the present application, a temperature sensing assembly comprises: a temperature sensor 5 and a protective component.
Temperature sensor 5 can gather the part of electric core 10 temperature as in the temperature sensing assembly, can measure the concrete temperature of electric core 10, and the protection subassembly is used for protecting temperature sensor 5, prevents that other parts from causing the destruction to the 5 extrusion of temperature sensor, guarantees temperature sensor 5's intact and measuring accurate nature.
Specifically, the temperature sensor 5 is arranged on the upper side surface of the connecting support leg 1; the upper end of the protection component is fixed on the spacing frame 4, the lower end of the protection component is stopped against the upper side surface of the connecting support leg 1, and the protection component and the upper side surface of the connecting support leg 1 define a containing space for containing the temperature sensor 5.
Since the battery cell 10 is directly attached to the lower side surface of the connecting support leg 1, the temperature sensor 5 is disposed on the upper side surface of the connecting support leg 1, which is beneficial for acquiring the most real temperature of the battery cell 10.
Be fixed with the protection component in two spacing protruding 9's both sides and upside, two spacing protruding 9 clamp the protection component in the centre and prevent the horizontal migration of protection component, and the extrusion of other parts can be avoided to temperature sensor 5 in the middle of the protection component can be protected, can gather and provide accurate electric core 10 temperature.
Preferably, the lower end of the protective member is attached to the upper side of the connection leg 1, while the upper end is fixed to the spacing frame 4, and the temperature sensor 5 can be placed in a receiving space defined between the protective members on both sides and the upper side.
According to one embodiment of the present application, the protective assembly generally comprises three parts: a pressing plate 6, a first supporting block 71 and a second supporting block 72.
The first support block 71 and the second support block 72 are disposed at both sides of the temperature sensor 5 to prevent the temperature sensor 5 from being horizontally pressed, and the pressing plate 6 is disposed above the first support block 71 and the second support block 72, and is adhesively fixed to the first support block 71 and the second support block 72 to prevent the temperature sensor 5 from being pressed above.
It can be considered that the first and second support blocks 71 and 72 limit the movement of the temperature sensor 5 in the horizontal direction, and the platen 6 limits the movement of the temperature sensor 5 in the height direction.
Specifically, the pressing plate 6 is fixedly connected with the spacing frame 4, the first supporting block 71 and the second supporting block 72 are spaced apart, the upper ends of the first supporting block 71 and the second supporting block 72 are connected with the pressing plate 6, the lower ends of the first supporting block 71 and the second supporting block 72 are abutted against the upper side face of the connecting leg 1, and the first supporting block 71, the second supporting block 72 and the upper side face of the connecting leg 1 define a containing space.
The spacing frame 4 is higher than the spacing protrusion 9 formed by the battery cell 10, the pressing plate 6 is matched with and fixedly connected with the spacing protrusion 9, the first supporting block 71 and the second supporting block 72 are respectively arranged on the spacing frame 4 at two sides at intervals, the upper ends of the first supporting block 71 and the second supporting block 72 are connected with the pressing plate 6, the lower ends of the first supporting block 71 and the second supporting block 72 are abutted to the upper side surface of the connecting support leg 1, and the pressing plate 6, the first supporting block 71 and the second supporting block 72 define a containing space to avoid the temperature sensor 5 from being extruded.
The pressing plate 6, the first supporting block 71 and the second supporting block 72 need to be made of materials which are not easy to compress and have high hardness, such as: the first support block 71 and the second support block 72 may be protected from the temperature sensor 5 by using epoxy plates.
According to one embodiment of the application, the protection assembly further comprises: the buffer structure 3 is arranged between the pressing plate 6 and the first supporting block 71 and the second supporting block 72 at intervals, and the buffer structure 3 is arranged between the pressing plate and the second supporting block 72.
Furthermore, during the manufacturing process, the first support block 71 and the second support block 72 are not in a horizontal plane due to various factors such as uneven connecting legs 1, unequal first support block 71 and second support block 72, and the pressing plate 6 cannot be tightly attached to the first support block 71 or the second support block 72, and in order to adjust the error of the pressing plate 6 in the height direction, the buffer structures 3 are arranged below the pressing plate 6 and above the first support block 71 and the second support block 72, and the buffer structures 3 have elasticity, so that the contact error of the pressing plate 6 when contacting the first support block 71 and the pressing plate 6 when contacting the second support block 72 can be adjusted.
Preferably, the buffer structure 3 is a buffer foam to press the first and second support blocks 71 and 72 against the upper side of the connecting leg 1 when the distance between the pressure plate 6 and the first and second support blocks 71 and 72 is not uniform.
When the height difference exists, the foam can absorb the height difference, and the height is adjusted through the difference of the compression degree.
According to one embodiment of the application, the pressing plates 6 are respectively clamped and fixed with two adjacent spacing frames 4.
A limiting bulge 9 is formed between the two spacing frames 4, and the pressing plate 6 can be just arranged between the two limiting bulges 9 and is clamped and fixed.
According to one embodiment of the application, the lower side of the connection leg 1 is provided with a heat conducting member 8, and the heat conducting member 8 is connected to the battery cell 10.
Preferably, the heat-conducting member 8 is a nickel plate or a steel plate.
The nickel sheet or the steel sheet has good heat conducting performance, and the heat conducting piece 8 is additionally arranged on the lower side surface of the connecting support leg 1, so that the real temperature of the battery cell 10 can be reflected and transmitted into the temperature sensor 5.
According to the embodiment of the application, the energy storage unit comprises the battery pack.
The battery pack in the energy storage unit has good fixity, effectively protects the temperature sensor 5, can directly and accurately acquire the temperature of the battery cell 10, cancels the mode of adopting a heat conduction structure to glue for fixation, and facilitates the process realization.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In the description of the present application, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present application, "a plurality" means two or more.
In the description of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but via another feature therebetween.
In the description of the present application, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery pack, comprising:
a battery case (100);
a plurality of battery cells (10), wherein the plurality of battery cells (10) are arranged in the battery shell (100), and a spacing frame (4) is arranged between two adjacent battery cells (10);
the flexible circuit board (2), the flexible circuit board (2) is arranged in the battery shell (100), a connecting support leg (1) is arranged on the flexible circuit board (2), and the lower side surface of the connecting support leg (1) is suitable for receiving the heat of the battery core (10);
the temperature sensing assembly is arranged on the upper side face of the connecting support leg (1) to detect the temperature of the corresponding battery cell (10); wherein
And two spacing frames (4) adjacent to the temperature sensing assembly are provided with limiting structures for limiting the movement of the temperature sensing assembly.
2. The battery pack of claim 1, wherein the retaining structure comprises: the temperature sensing assembly limiting device comprises two limiting bulges (9) arranged on the two spacing frames (4) fixed with the temperature sensing assembly, wherein the two adjacent limiting bulges (9) clamp the temperature sensing assembly to limit the temperature sensing assembly.
3. The battery pack of claim 1, wherein the temperature sensing assembly comprises:
a temperature sensor (5), said temperature sensor (5) being arranged on the upper side of said connection foot (1);
the upper end of the protection assembly is fixed on the spacing frame (4), the lower end of the protection assembly is abutted against the upper side face of the connecting support leg (1), and the upper side face of the connecting support leg (1) and the protection assembly define a containing space for containing the temperature sensor (5).
4. The battery pack of claim 3, wherein the protection assembly comprises:
the pressing plate (6), the said pressing plate (6) is fixedly connected with said interval frame (4);
the connecting support leg comprises a first support block (71) and a second support block (72), wherein the first support block (71) and the second support block (72) are spaced apart, the upper ends of the first support block (71) and the second support block (72) are connected with the pressing plate (6), the lower ends of the first support block (71) and the second support block (72) are abutted against the upper side face of the connecting support leg (1), and the upper side faces of the first support block (71), the second support block (72) and the connecting support leg (1) define the accommodating space.
5. The battery pack of claim 4, wherein the protection assembly further comprises: the buffer structures (3) are arranged between the pressing plate (6) and the first supporting block (71) and the second supporting block (72) at intervals.
6. Battery pack according to claim 5, characterized in that the damping structure (3) is a damping foam to press the first (71) and second (72) support blocks against the upper side of the connection leg (1) in the event of non-uniform distances between the pressure plate (6) and the first (71) and second (72) support blocks.
7. The battery pack according to claim 4, wherein the pressing plates (6) are respectively snap-fitted to two adjacent spacer frames (4).
8. The battery pack according to claim 1, characterized in that the underside of the connection leg (1) is provided with a thermally conductive element (8), the thermally conductive element (8) being connected to the electrical core (10).
9. The battery pack according to claim 8, wherein the heat conductive member (8) is a nickel plate or a steel plate.
10. An energy storage unit comprising the battery pack of any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651816.6U CN214505714U (en) | 2021-03-30 | 2021-03-30 | Battery pack and energy storage unit |
| PCT/CN2022/081765 WO2022206440A1 (en) | 2021-03-30 | 2022-03-18 | Battery pack and energy storage unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651816.6U CN214505714U (en) | 2021-03-30 | 2021-03-30 | Battery pack and energy storage unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505714U true CN214505714U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120651816.6U Active CN214505714U (en) | 2021-03-30 | 2021-03-30 | Battery pack and energy storage unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214505714U (en) |
| WO (1) | WO2022206440A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206440A1 (en) * | 2021-03-30 | 2022-10-06 | 蜂巢能源科技股份有限公司 | Battery pack and energy storage unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207441900U (en) * | 2017-11-28 | 2018-06-01 | 成都雅骏新能源汽车科技股份有限公司 | A kind of battery core sampling structure of battery modules |
| JP6993383B2 (en) * | 2019-05-15 | 2022-01-13 | 矢崎総業株式会社 | Temperature sensor mounting structure |
| CN211184430U (en) * | 2019-11-29 | 2020-08-04 | 欣旺达电动汽车电池有限公司 | Flexible circuit board, battery module and battery pack |
| CN212161958U (en) * | 2020-04-28 | 2020-12-15 | 蜂巢能源科技有限公司 | Bus bar assembly and battery module |
| CN212810471U (en) * | 2020-06-29 | 2021-03-26 | 比亚迪股份有限公司 | Battery module |
| CN214505714U (en) * | 2021-03-30 | 2021-10-26 | 蜂巢能源科技有限公司 | Battery pack and energy storage unit |
-
2021
- 2021-03-30 CN CN202120651816.6U patent/CN214505714U/en active Active
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2022
- 2022-03-18 WO PCT/CN2022/081765 patent/WO2022206440A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206440A1 (en) * | 2021-03-30 | 2022-10-06 | 蜂巢能源科技股份有限公司 | Battery pack and energy storage unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022206440A1 (en) | 2022-10-06 |
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