CN214378661U - Battery cell fixing structure - Google Patents
Battery cell fixing structure Download PDFInfo
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- CN214378661U CN214378661U CN202023281703.6U CN202023281703U CN214378661U CN 214378661 U CN214378661 U CN 214378661U CN 202023281703 U CN202023281703 U CN 202023281703U CN 214378661 U CN214378661 U CN 214378661U
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- fixing
- battery pack
- pack assembly
- battery
- liquid cooling
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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 utility model provides an electricity core fixed knot constructs. Electric core fixed knot constructs including battery pack assembly and liquid cooling board, and battery pack assembly sets up on the liquid cooling board, and battery pack assembly includes: a plurality of battery cores; the cell fixing device comprises a plurality of fixing plates, wherein the cell and the fixing plates are alternately arranged, and two adjacent fixing plates are connected to form a fixing space for fixing the cell; the end plates are arranged at two ends of the battery pack assembly respectively, and the end plates and the adjacent fixing plates are connected to form a fixing space for fixing the battery cell. The utility model provides an among the prior art electric core fixed knot construct the space utilization low and the poor problem of heat conduction effect.
Description
Technical Field
The utility model relates to an electricity core technical field particularly, relates to an electricity core fixed knot constructs.
Background
At present, the strength of a shell of a soft-packaged battery cell is low, and the soft-packaged battery cell needs to be fixed in groups by structural members; because the soft-packaged electrical core is in groups the accessory is many, and volume energy density is low, and module assembly and fixed technology are loaded down with trivial details, and the fixed effect of electric core is not good, and module weight is high, and the lightweight effect is not enough, and structure space utilization is lower, and the heat conduction effect is ideal inadequately.
Therefore, the problems of low space utilization rate and poor heat conduction effect of the battery cell fixing structure in the prior art exist.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an electrical core fixing structure to solve the problem of low space utilization and poor heat conduction effect of the electrical core fixing structure in the prior art.
In order to achieve the above object, the utility model provides an electricity core fixed knot constructs, including battery pack assembly and liquid cooling board, battery pack assembly sets up on the liquid cooling board, and battery pack assembly includes: a plurality of battery cores; the cell fixing device comprises a plurality of fixing plates, wherein the cell and the fixing plates are alternately arranged, and two adjacent fixing plates are connected to form a fixing space for fixing the cell; the end plates are arranged at two ends of the battery pack assembly respectively, and the end plates and the adjacent fixing plates are connected to form a fixing space for fixing the battery cell.
Further, electric core fixed knot constructs still includes the conducting strip, and the conducting strip is a plurality of, and a plurality of conducting strips interval sets up on the liquid cooling board, and every conducting strip is located each fixed space respectively.
Furthermore, a concave-convex matching structure is arranged between the battery pack assembly and the liquid cooling plate, wherein a groove is formed in the bottom of the battery pack assembly, a flange is arranged on the liquid cooling plate, and the groove is matched with the flange so as to limit the position between the battery pack assembly and the liquid cooling plate; or the bottom of the battery pack assembly is provided with a flange, the liquid cooling plate is provided with a groove, and the groove is matched with the flange so as to limit the position between the battery pack assembly and the liquid cooling plate.
Further, electric core fixed knot constructs still includes the adhesive linkage, and the adhesive linkage sets up between group battery subassembly and liquid cooling plate.
Further, electric core fixed knot constructs still includes the fixed plate that converges, and the fixed plate that converges is two, and two fixed plates that converge set up respectively in battery pack assembly along a plurality of fixed plate direction of connection's both sides, and be connected with battery pack assembly detachably respectively.
Further, the liquid cooling plate includes water inlet and delivery port, has the runner in the liquid cooling plate, and the coolant liquid passes through the water inlet and gets into the runner, flows through the delivery port to take away the heat that the group battery subassembly gived off.
Further, the heat conducting fin is a heat conducting aluminum sheet.
Furthermore, the bonding layer is a foam double-sided adhesive tape.
Furthermore, two adjacent fixing plates are detachably connected; and/or the end plate and the fixing plate are detachably connected.
Further, electric core fixed knot constructs still includes the housing, and housing holding group battery subassembly and liquid cooling board.
By applying the technical proposal of the utility model, the battery cell fixing structure comprises a battery pack assembly and a liquid cooling plate, the battery pack assembly is arranged on the liquid cooling plate, the battery pack assembly comprises a plurality of battery cells, a plurality of fixing plates and two end plates, the battery cells and the fixing plates are alternately arranged, two adjacent fixing plates are connected to form a fixing space for fixing the battery cells, the two end plates are respectively arranged at two ends of the battery pack assembly, the end plates and the adjacent fixing plates are connected to form a fixing space for fixing the battery cells, the cell is fixed by forming a fixing space between two adjacent fixing plates and between the end plate and the fixing plate, and the battery pack assembly is directly arranged on the liquid cooling plate, so that the whole battery cell fixing structure is simple to assemble and compact in structure, and the heat that can in time distribute the group battery subassembly is derived, has solved among the prior art the low and poor problem of heat conduction effect of space utilization of electric core fixed knot structure.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows an exploded view of a cell securing structure in an embodiment of the present invention;
fig. 2 shows a cross-sectional view of a cell fixing structure in an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a battery pack assembly; 11. an electric core; 12. a fixing plate; 13. an end plate; 20. a liquid-cooled plate; 21. a water inlet; 22. a water outlet; 23. a flow channel; 30. a heat conductive sheet; 40. an adhesive layer; 50. a confluence fixing plate; 60. and (4) a housing.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
In order to solve the problem that the space utilization of electric core fixed knot constructs among the prior art is low and the heat conduction effect is poor, the utility model provides an electric core fixed knot constructs.
As shown in fig. 1 to 2, the cell fixing structure includes a battery pack assembly 10 and a liquid cooling plate 20. The battery pack assembly 10 is disposed on the liquid cooling plate 20, and the battery pack assembly 10 includes a battery cell 11, a fixing plate 12, and an end plate 13. The battery cell 11 is plural. The fixed plates 12 are multiple, the battery cell 11 and the fixed plates 12 are alternately arranged, and two adjacent fixed plates 12 are connected to form a fixed space for fixing the battery cell 11. The number of the end plates 13 is two, the two end plates 13 are respectively disposed at two ends of the battery pack assembly 10, and the end plates 13 and the adjacent fixing plates 12 are connected to form a fixing space for fixing the battery cells 11.
The battery pack assembly 10 is arranged on the liquid cooling plate 20, the battery pack assembly 10 comprises a plurality of battery cells 11, a plurality of fixing plates 12 and end plates 13, the battery cells 11 are arranged, the fixing plates 12 are arranged alternately, two adjacent fixing plates 12 are connected to form a fixing space for fixing the battery cells 11, two end plates 13 are arranged at two ends of the battery pack assembly 10 respectively, the end plates 13 are connected with the adjacent fixing plates 12 to form a fixing space for fixing the battery cells 11, the battery cells 11 are fixed by forming the fixing spaces between the two adjacent fixing plates 12 and between the end plates 13 and the fixing plates 12, and the battery pack assembly 10 is directly arranged on the liquid cooling plate 20, so that the whole battery cell fixing structure is simple to assemble and compact in structure, and heat emitted by the battery pack assembly 10 can be led out in time, the battery cell fixing structure in the embodiment has high space utilization rate, low space utilization rate and good heat conduction effect.
In the present embodiment, the number of the battery cells 11 and the number of the fixing plates 12 may be determined according to the requirements of the battery capacity and the voltage in actual use. That is to say, by the fixing manner of fixing one battery cell 11 by two adjacent fixing plates 12, according to the actual use requirement, the battery cell fixing structure in this embodiment can flexibly increase or decrease the number of the battery cells 11 and the fixing plates 12 for matching. Thus, complex fixing structures and dismounting processes are not needed, and the applicability of the product is greatly improved.
As shown in fig. 1 to 2, the cell fixing structure further includes a heat conducting sheet 30. The plurality of heat conduction pieces 30 are provided, the plurality of heat conduction pieces 30 are arranged on the liquid cooling plate 20 at intervals, and each heat conduction piece 30 is located in each fixing space. Specifically, in the fixing space, the heat conduction sheet 30 is close to the surface of the electric core 11, so that the heat dissipated from the electric core 11 is transmitted to the liquid cooling plate 20 in time, and the heat is dissipated by the liquid cooling plate 20. One end of the heat conducting strip 30 is welded on the liquid cooling plate 20, so that the firmness of connection between the heat conducting strip 30 and the liquid cooling plate 20 is ensured, and the heat conduction performance between the heat conducting strip 30 and the liquid cooling plate 20 is also ensured.
In the present embodiment, the heat-conducting sheet 30 is a heat-conducting aluminum sheet. The aluminium material has good heat conductivity, and weight is lighter, can guarantee that conducting strip 30 can be high-efficiently in time transmit the heat that electric core 11 gived off to liquid cooling plate 20 to by liquid cooling plate 20 gived off the heat, also alleviateed the weight of whole electric core fixed knot structure, had better lightweight effect. In addition, the price of the aluminum material is far lower than that of silver and other materials, so that the cost is greatly reduced.
In this embodiment, the battery pack assembly 10 and the liquid cooling plate 20 have a male-female coupling structure therebetween. Wherein, the bottom of group battery subassembly 10 has the recess, has the flange on the liquid cooling plate 20, recess and flange looks adaptation to form spacingly between group battery subassembly 10 and the liquid cooling plate 20. Of course, the bottom of the battery pack assembly 10 may also have a flange, and the liquid cooling plate 20 has a groove adapted to the flange, so that the battery pack assembly 10 and the liquid cooling plate 20 are limited, and can be selected according to actual requirements.
As shown in fig. 1, the cell fixing structure further includes an adhesive layer 40. The adhesive layer 40 is disposed between the battery pack assembly 10 and the liquid cooled plate 20. Through setting up adhesive linkage 40, both bond battery pack 10 and liquid cooling board 20 together, guarantee the fastness of being connected between battery pack 10 and the liquid cooling board 20 with unsmooth cooperation structure jointly, also can avoid producing friction and certain elastic deformation between battery pack 10 and the liquid cooling board 20.
In this embodiment, the adhesive layer 40 is a double-sided foam adhesive.
As shown in fig. 1, the cell fixing structure further includes a bus bar fixing plate 50. The two bus bar fixing plates 50 are provided, and the two bus bar fixing plates 50 are respectively disposed at both sides of the battery pack 10 in the connection direction of the plurality of fixing plates 12, and are detachably connected with the battery pack 10, respectively. Specifically, each fixing plate 12 has built-in threaded sleeves on both sides thereof, and the bus fixing plate 50 has corresponding threaded holes therein, and screws are inserted through the threaded holes in the bus fixing plate 50 and screwed into the built-in threaded sleeves on the fixing plates 12 to fix the bus fixing plates 50 on both sides of the fixing plates 12. In addition, the positive and negative electrode tabs of each battery cell 11 are respectively welded on the two convergence fixing plates 50, so that the convergence fixing plates 50 can fix the electrode tabs of the battery cells 11, converge the positive electrodes and the negative electrodes of the battery cells 11, and are connected with an external circuit through a uniform outlet.
As shown in fig. 1 to 2, the liquid cooling plate 20 includes a water inlet 21 and a water outlet 22. The liquid cooling plate 20 has a flow channel 23 therein. The cooling fluid enters the flow channel 23 through the water inlet 21 and flows out through the water outlet 22 to remove heat emitted from the battery pack assembly 10.
In this embodiment, the two adjacent fixing plates 12 are detachably connected. Specifically, the two adjacent fixing plates 12 are connected by a snap connection.
In this embodiment, the end plate 13 and the fixing plate 12 are detachably connected. Specifically, the end plate 13 and the fixing plate 12 are connected by a snap fit.
As shown in fig. 1, the cell fixing structure further includes a casing 60. The case 60 houses the battery pack assembly 10 and the liquid cooling plate 20. Through setting up housing 60, including battery pack assembly 10 and the holding of liquid cooling plate 20, prevent that battery pack assembly 10 and liquid cooling plate 20 from contacting with the external world, avoid water, dust etc. to fall into in battery pack assembly 10, guarantee battery pack assembly 10's life.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the battery pack assembly 10 is arranged on the liquid cooling plate 20, the battery pack assembly 10 comprises a plurality of battery cells 11, a plurality of fixing plates 12 and end plates 13, the battery cells 11 are arranged, the fixing plates 12 are arranged alternately, two adjacent fixing plates 12 are connected to form a fixing space for fixing the battery cells 11, two end plates 13 are arranged at two ends of the battery pack assembly 10 respectively, the end plates 13 are connected with the adjacent fixing plates 12 to form a fixing space for fixing the battery cells 11, the battery cells 11 are fixed by forming the fixing spaces between the two adjacent fixing plates 12 and between the end plates 13 and the fixing plates 12, and the battery pack assembly 10 is directly arranged on the liquid cooling plate 20, so that the whole battery cell fixing structure is simple to assemble and compact in structure, and heat emitted by the battery pack assembly 10 can be led out in time, the battery cell fixing structure in the embodiment has high space utilization rate, low space utilization rate and good heat conduction effect.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery cell securing structure, comprising a battery pack assembly (10) and a liquid-cooled plate (20), wherein the battery pack assembly (10) is disposed on the liquid-cooled plate (20), and wherein the battery pack assembly (10) comprises:
a plurality of battery cells (11), wherein the battery cells (11) are arranged in a plurality;
the fixing plates (12) are multiple, the battery cores (11) and the fixing plates (12) are alternately arranged, and two adjacent fixing plates (12) are connected to form a fixing space for fixing the battery cores (11);
end plate (13), end plate (13) are two, two end plate (13) set up respectively the both ends of group battery subassembly (10), end plate (13) and adjacent fixed plate (12) are connected and are formed fixedly electricity core (11) the fixed space.
2. The battery cell fixing structure according to claim 1, further comprising a plurality of heat conducting fins (30), wherein the plurality of heat conducting fins (30) are arranged on the liquid cooling plate (20) at intervals, and each heat conducting fin (30) is located in each fixing space.
3. The cell fixation structure of claim 1, wherein a male-female fit structure is provided between the battery pack assembly (10) and the liquid cooling plate (20), wherein,
the bottom of the battery pack assembly (10) is provided with a groove, the liquid cooling plate (20) is provided with a flange, and the groove is matched with the flange so as to form a limit between the battery pack assembly (10) and the liquid cooling plate (20); or
The flange is arranged at the bottom of the battery pack assembly (10), the groove is arranged on the liquid cooling plate (20), and the groove is matched with the flange so that a limit is formed between the battery pack assembly (10) and the liquid cooling plate (20).
4. The cell fixation structure of claim 1, further comprising an adhesive layer (40), wherein the adhesive layer (40) is disposed between the battery pack assembly (10) and the liquid-cooled plate (20).
5. The battery cell fixing structure according to claim 1, further comprising two bus bar fixing plates (50), wherein the two bus bar fixing plates (50) are respectively disposed on two sides of the battery pack assembly (10) along a connection direction of the plurality of fixing plates (12), and are respectively detachably connected to the battery pack assembly (10).
6. The cell fixing structure according to claim 1, wherein the liquid cooling plate (20) comprises a water inlet (21) and a water outlet (22), the liquid cooling plate (20) has a flow passage (23) therein, and a cooling liquid enters the flow passage (23) through the water inlet (21) and flows out through the water outlet (22) to remove heat dissipated by the battery pack assembly (10).
7. The cell fixation structure of claim 2, wherein the thermally conductive sheet (30) is a thermally conductive aluminum sheet.
8. The battery cell fixing structure according to claim 4, wherein the adhesive layer (40) is a foam double-sided adhesive tape.
9. The cell fixing structure according to claim 1,
the two adjacent fixing plates (12) are detachably connected; and/or
The end plate (13) and the fixing plate (12) are detachably connected.
10. The cell fixation structure according to any one of claims 1 to 9, further comprising an enclosure (60), the enclosure (60) housing the battery pack assembly (10) and the liquid cooling plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281703.6U CN214378661U (en) | 2020-12-29 | 2020-12-29 | Battery cell fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281703.6U CN214378661U (en) | 2020-12-29 | 2020-12-29 | Battery cell fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378661U true CN214378661U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281703.6U Active CN214378661U (en) | 2020-12-29 | 2020-12-29 | Battery cell fixing structure |
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| CN (1) | CN214378661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080609A (en) * | 2023-07-06 | 2023-11-17 | 深圳市朗泰沣电子有限公司 | Modularized lithium iron phosphate energy storage battery pack |
-
2020
- 2020-12-29 CN CN202023281703.6U patent/CN214378661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080609A (en) * | 2023-07-06 | 2023-11-17 | 深圳市朗泰沣电子有限公司 | Modularized lithium iron phosphate energy storage battery pack |
| CN117080609B (en) * | 2023-07-06 | 2024-04-26 | 深圳市朗泰沣电子有限公司 | Modularized lithium iron phosphate energy storage battery pack |
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