CN220106654U - Immersed type battery cell cooling device - Google Patents
Immersed type battery cell cooling device Download PDFInfo
- Publication number
- CN220106654U CN220106654U CN202321438050.9U CN202321438050U CN220106654U CN 220106654 U CN220106654 U CN 220106654U CN 202321438050 U CN202321438050 U CN 202321438050U CN 220106654 U CN220106654 U CN 220106654U
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- China
- Prior art keywords
- cooling
- battery cell
- isolation
- length direction
- electric cores
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- 238000001816 cooling Methods 0.000 title claims abstract description 94
- 238000002955 isolation Methods 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000000110 cooling liquid Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 54
- 238000009434 installation Methods 0.000 claims description 19
- 238000007654 immersion Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012945 sealing adhesive Substances 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- 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 utility model discloses an immersed type battery cell cooling device, which relates to the technical field of battery cell cooling and comprises a mounting chassis, a separation frame, a separation plate and a plurality of sealing rubber strips; the battery cell is divided into an upper region and a lower region by arranging the isolation frame and the isolation plate, the upper half part of the battery cell is positioned above the mounting hole, the lower half part of the battery cell is positioned in a sealing space formed by the isolation plate, the isolation frame and the mounting chassis, the upper half part of the battery cell is a dry region, normal wiring and the like, and normal use of the battery is not affected; the lower half is located in the cooling liquid. According to the utility model, the immersed cooling technical scheme is adopted, the cooling liquid is directly contacted with the battery cell shell to perform heat exchange, so that the heat exchange efficiency can be greatly improved, the temperature uniformity of the whole battery system can be improved, the temperature difference is reduced, and the service life of the battery and the safety of the battery system are obviously improved.
Description
Technical Field
The utility model belongs to the technical field of battery cell cooling, and particularly relates to an immersed type battery cell cooling device.
Background
The existing energy storage battery system is mainly cooled in a liquid cooling plate mode, namely, heat exchange is carried out between cooling liquid and a metal plate, and the metal plate is tightly attached to a battery cell so as to cool the battery cell.
The cooling mode through the liquid cooling plate is an indirect cooling mode, liquid flows in the liquid cooling plate as a cooling medium, heat exchange is carried out through the metal liquid cooling plate, cooling efficiency is low, and the temperature of the cooling mode of the liquid cooling plate can be reduced along with the distance from a heat source, so that the cooling is uneven, the temperature uniformity of a battery system is poor, the temperature difference exists, the service life of the battery system is easily shortened due to the fact that the temperature difference of the battery system is large, and safety is reduced.
Disclosure of Invention
In order to solve the above problems in the prior art, the present utility model is directed to an immersion type cell cooling device.
The technical scheme adopted by the utility model is as follows:
an immersed type battery core cooling device comprises a mounting chassis, a separation frame, a separation plate and a plurality of sealing rubber strips; the bottom of the mounting chassis is provided with a cooling groove along the length direction, and the top surfaces of two side walls of the cooling groove are provided with sealing rubber strips; the isolation frame is arranged in the installation chassis, a liquid inlet pipe and a liquid outlet pipe are arranged between the installation chassis and the side wall of one end of the isolation frame in the length direction, and the liquid inlet pipe is communicated with one end of the cooling tank; the top surface of the isolation frame is provided with an isolation plate, the isolation plate is provided with a plurality of mounting holes, the mounting holes are distributed at equal intervals along the width direction of the isolation plate, a plurality of electric cores are mounted in the mounting holes, the electric cores are closely arranged along the length direction of the mounting holes, the side walls of the mounting holes are sealed with the side walls of the electric cores through sealing rubber strips, and the bottoms of the electric cores are closely attached to the sealing rubber strips on two sides of the cooling tank; a gap is formed between two adjacent electric cores in the width direction of the isolation plate, the other end of the cooling groove is communicated with the gap between the adjacent electric cores, and the gap between the adjacent electric cores is communicated with the liquid outlet pipe; the cooling liquid flows through the liquid inlet pipe, the cooling groove, the gaps among the electric cores and the liquid outlet pipe in sequence and then flows out of the liquid outlet pipe.
Optionally, a horizontal plate is arranged between the mounting chassis and the side wall of one end of the isolation frame in the length direction, the horizontal plate covers the top of one end of the cooling groove, and the liquid inlet pipe penetrates through the horizontal plate and is communicated with the cooling groove;
the drain pipe penetrates through the side wall of the isolation frame and is communicated with the gap between the battery cells.
Optionally, a plurality of cooling grooves are formed in the mounting chassis, the cooling grooves are uniformly distributed along the width direction of the mounting chassis, one ends of the cooling grooves in the length direction are communicated, and one ends of the cooling grooves in the length direction are located under the liquid inlet pipe.
Alternatively, a sealing rubber strip is arranged between two adjacent battery cells in the length direction of the isolation plate.
Alternatively, two adjacent battery cells in the length direction of the isolation plate are connected through a connecting buckle.
The beneficial effects of the utility model are as follows:
the utility model provides an immersed type battery core cooling device which comprises a mounting chassis, a separation frame, a separation plate and a plurality of sealing rubber strips, wherein the mounting chassis is provided with a plurality of sealing rubber strips; the bottom of the mounting chassis is provided with a cooling groove along the length direction, and the top surfaces of two side walls of the cooling groove are provided with sealing rubber strips; the isolation frame is arranged in the installation chassis, a liquid inlet pipe and a liquid outlet pipe are arranged between the installation chassis and the side wall of one end of the isolation frame in the length direction, and the liquid inlet pipe is communicated with one end of the cooling tank; the top surface of the isolation frame is provided with an isolation plate, the isolation plate is provided with a plurality of mounting holes, the mounting holes are distributed at equal intervals along the width direction of the isolation plate, a plurality of electric cores are mounted in the mounting holes, the electric cores are closely arranged along the length direction of the mounting holes, the side walls of the mounting holes are sealed with the side walls of the electric cores through sealing rubber strips, and the bottoms of the electric cores are closely attached to the sealing rubber strips on two sides of the cooling tank; a gap is formed between two adjacent electric cores in the width direction of the isolation plate, the other end of the cooling groove is communicated with the gap between the adjacent electric cores, and the gap between the adjacent electric cores is communicated with the liquid outlet pipe.
According to the utility model, the battery cell is divided into an upper region and a lower region by arranging the isolation frame and the isolation plate, the upper half part of the battery cell is positioned above the mounting hole, the lower half part of the battery cell is positioned in a sealed space formed by the isolation plate, the isolation frame and the mounting chassis, and the upper half part of the battery cell is a dry region, is normally connected with wires and the like, so that the normal use of the battery is not influenced; the lower half is located in the cooling liquid. When the battery cell cooling device is used, cooling liquid enters into one end of the cooling groove from the liquid inlet pipe, meanwhile, as the top of the cooling groove is sealed by the bottom wall of the battery cell and the sealing rubber strip, the cooling liquid can only flow to the other end of the cooling groove in the length direction, and enters into a space between the battery cell and the side wall of the other end of the isolation frame in the length direction from the other end of the cooling groove, so that the cooling liquid entering into a space between the battery cell in the width direction and a space between the battery cell and the side wall of the isolation frame is finally fully heat-exchanged with the side wall of the bottom of the battery cell, and is conveyed to the outside through the liquid outlet pipe. Compared with the prior art, the utility model adopts the immersed cooling technical scheme, the cooling liquid is directly contacted with the battery cell shell to perform heat exchange, the heat exchange efficiency can be greatly improved, and the immersed cooling technical scheme can improve the temperature uniformity of the whole battery system, reduce the temperature difference and obviously improve the service life of the battery and the safety of the battery system.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of the present utility model, and the battery cells are omitted from the drawing.
Fig. 2 is a schematic structural view of the battery cell according to the present utility model, and the upper cover is omitted.
Fig. 3 is a schematic top view of the battery cell of the present utility model, with the upper cover omitted.
Fig. 4 is a schematic cross-sectional view of A-A in fig. 3.
Fig. 5 is an enlarged schematic view of region B in fig. 4.
Fig. 6 is an enlarged schematic view of region C in fig. 4.
Fig. 7 is a schematic view of the structure of the installation chassis, the isolation frame, and the isolation board.
Fig. 8 is a schematic structural view of the mounting chassis.
Fig. 9 is a schematic structural view of the isolation frame.
Fig. 10 is a schematic structural view of the separator.
Fig. 11 is an external schematic view of the present utility model.
In the figure: 1-mounting chassis. 11-cooling tank, 2-upper cover, 3-isolation frame, 31-feed liquor pipe, 32-drain pipe, 33-joint strip, 4-division board, 41-mounting hole, 5-electric core, 51-connector link.
Detailed Description
In this embodiment, as shown in fig. 1 to 10, an immersed cell cooling device includes a mounting chassis 1, a separation frame 3, a separation plate 4, and a plurality of sealing rubber strips 33; the bottom of the mounting chassis 1 is provided with a cooling groove 11 along the length direction, and sealing rubber strips 33 are arranged on the top surfaces of two side walls of the cooling groove 11; the isolation frame 3 is arranged in the installation chassis 1, a liquid inlet pipe 31 and a liquid outlet pipe 32 are arranged between the installation chassis 1 and the side wall of one end of the isolation frame 3 in the length direction, and the liquid inlet pipe 31 is communicated with one end of the cooling tank 11; the top surface of the isolation frame 3 is provided with an isolation plate 4, the isolation plate 4 is provided with a plurality of mounting holes 41, the plurality of mounting holes 41 are distributed at equal intervals along the width direction of the isolation plate 4, a plurality of electric cores 5 are mounted in the mounting holes 41, the electric cores 5 are closely arranged along the length direction of the mounting holes 41, the side walls of the mounting holes 41 and the side walls of the electric cores 5 are sealed through sealing rubber strips 33, and the bottoms of the electric cores 5 are closely attached to the sealing rubber strips 33 on two sides of the cooling tank 11; a gap is formed between two adjacent cells 5 in the width direction of the isolation plate 4, the other end of the cooling groove 11 is communicated with the gap between the adjacent cells 5, and the gap between the adjacent cells 5 is communicated with the liquid outlet pipe 32.
In this embodiment, there is a gap between the cells 5 at the two ends of the isolation board 4 in the width direction and the side walls of the isolation frame 3, that is, there is a gap at the two sides of the cell 5 at the two ends, so that the cooling liquid can fully contact and exchange heat with all the cells 5, and no cooling dead angle exists.
The cooling liquid enters from the liquid inlet pipe 31, passes through the cooling groove 11, is far away from one end of the liquid inlet pipe 31 from the cooling groove 11, enters into a gap between the battery cells 5 and a gap between the battery cells 5 and the isolation frame 3, and then flows out from the liquid outlet pipe 32 after flowing out from two sides of the battery cells 5 and the liquid outlet pipe 32.
In the present embodiment, as shown in fig. 7, the isolation frame 3 divides the installation chassis 1 into two areas of a left side area and a right side area, and the left side area of the installation chassis 1 is provided with a liquid inlet pipe 31 and a liquid outlet pipe 32. The division board 4 is located the right side region of installation chassis 1, and the battery core 5 is installed in the right side region of installation chassis 1, seals between battery core 5 and mounting hole 41 at joint strip 33, cuts apart into dry district and wet district with the below of division board 4, and the wet district is flowed through and is had the coolant liquid, and the coolant liquid of division board 4 below carries out direct heat exchange with the lateral wall of battery core 5.
In this embodiment, as shown in fig. 1, 2, 7 and 9, a horizontal plate is disposed between the mounting chassis 1 and the side wall at one end of the isolation frame 3 in the length direction, the horizontal plate covers the top of one end of the cooling tank 11, and the liquid inlet pipe 31 penetrates through the horizontal plate to communicate with the cooling tank 11; the drain pipe 32 penetrates through the side wall of the isolation frame 3 and is communicated with the gap between the battery cells 5. The gap between the cell 5 and the side wall of the isolation frame 3 and the gap between the cell 5 and the cell 5 are also communicated with the liquid outlet pipe 32.
In this embodiment, as shown in fig. 1 and 10, an upper cover 2 is further installed on the installation chassis 1, the upper cover 2 is wrapped above the installation chassis 1, two through holes are formed in the upper cover 2, the two through holes are respectively used for installing a liquid inlet pipe 31 and a liquid outlet pipe 32, the liquid inlet pipe 31 and the liquid outlet pipe 32 are both connected with an external cooling system, the external cooling system provides cooling liquid for the liquid inlet pipe 31, and the cooling liquid output by the liquid outlet pipe 32 returns to the external cooling system to form recycling of the cooling liquid.
In this embodiment, as shown in fig. 1 and 8, a plurality of cooling grooves 11 are formed in the installation chassis 1, the plurality of cooling grooves 11 are uniformly distributed along the width direction of the installation chassis 1, one ends of the plurality of cooling grooves 11 in the length direction are communicated, and one ends of the plurality of cooling grooves 11 in the length direction are located under the liquid inlet pipe 31. The side walls between the adjacent cooling grooves 11 form bulges, the sealing rubber strips 33 are arranged on the bulges between the adjacent cooling grooves 11, the bottom wall of the battery cell 5 is positioned above the cooling grooves 11, and the two sides of the bottom wall of the battery cell 5 are respectively arranged on the sealing rubber strips 33 on the two sides of the cooling grooves 11, so that the upper part of the cooling grooves 11 is sealed, and the cooling liquid in the cooling grooves 11 can only flow from one end to the other end of the length direction of the cooling grooves 11.
In this embodiment, the sealing adhesive tape 33 is disposed between two adjacent cells 5 in the length direction of the isolation board 4, so that the sidewall between two adjacent cells 5 in the length direction of the isolation board 4 is sealed, and the cooling liquid cannot flow from the bottom of the sidewall between two adjacent cells 5 in the length direction of the isolation board 4 to the top of the sidewall. The longitudinal direction of the partition plate 4 is the same as the longitudinal direction of the cooling groove 11.
In this embodiment, as shown in fig. 2 and 3, two adjacent cells 5 in the length direction of the isolation board 4 are connected by a connecting buckle 51, and the connecting buckle 51 tightly locks the two adjacent cells 5 together, so that the adjacent cells 5 compress the sealing adhesive tape 33 therebetween, so as to ensure a good sealing effect.
In other embodiments, a PC board is disposed between two adjacent cells 5 in the same mounting hole 41, and aerogel is applied on two sides of the PC board to seal between the two cells 5 in the same mounting hole.
When in use, the cooling liquid enters one end of the cooling tank 11 from the liquid inlet pipe 31, meanwhile, as the top of the cooling tank 11 is sealed by the bottom wall of the battery cell 5 and the sealing rubber strip 33, the cooling liquid can only flow to the other end of the cooling tank 11 in the length direction, and enters between the battery cell 5 and the side wall of the other end of the isolation frame 3 in the length direction from the other end of the cooling tank 11, so that the cooling liquid enters into a gap (comprising a gap between two battery cells 5 at positions corresponding to adjacent mounting holes 41 and a gap between the battery cell 5 and the side wall of the isolation frame 3) of the battery cell 5 in the width direction, and finally the cooling liquid fully exchanging heat with the side wall of the bottom of the battery cell 5 is conveyed to the outside through the liquid outlet pipe 32. Compared with the prior art, the utility model adopts the immersed cooling technical scheme, the cooling liquid is directly contacted with the shell (the bottom of the side wall) of the battery cell 5 to perform heat exchange, the heat exchange efficiency can be greatly improved, and the immersed cooling technical scheme can improve the temperature uniformity of the whole battery system, reduce the temperature difference and obviously improve the service life of the battery and the safety of the battery system.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. An immersed cell cooling device, which is characterized in that: comprises a mounting chassis (1), a separation frame (3), a separation plate (4) and a plurality of sealing rubber strips (33);
a cooling groove (11) is formed in the bottom of the mounting chassis (1) along the length direction, and sealing rubber strips (33) are arranged on the top surfaces of two side walls of the cooling groove (11);
the isolation frame (3) is arranged in the installation chassis (1), a liquid inlet pipe (31) and a liquid outlet pipe (32) are arranged between the installation chassis (1) and the side wall of one end of the isolation frame (3) in the length direction, and the liquid inlet pipe (31) is communicated with one end of the cooling groove (11);
the top surface of the isolation frame (3) is provided with an isolation plate (4), the isolation plate (4) is provided with a plurality of mounting holes (41), the mounting holes (41) are distributed at equal intervals along the width direction of the isolation plate (4), a plurality of electric cores (5) are arranged in the mounting holes (41), the electric cores (5) are closely arranged along the length direction of the mounting holes (41), the side walls of the mounting holes (41) and the side walls of the electric cores (5) are sealed through sealing rubber strips (33), and the bottoms of the electric cores (5) are closely attached to the sealing rubber strips (33) on two sides of the cooling groove (11);
a gap is formed between two adjacent electric cores (5) in the width direction of the isolation plate (4), the other end of the cooling groove (11) is communicated with the gap between the adjacent electric cores (5), and the gap between the adjacent electric cores (5) is communicated with the liquid outlet pipe (32);
the cooling liquid flows through the liquid inlet pipe (31), the cooling groove (11), the gaps among the electric cores (5) and the liquid outlet pipe (32) in sequence, and then flows out of the liquid outlet pipe (32).
2. The immersed cell cooling device according to claim 1, wherein a horizontal plate is arranged between the mounting chassis (1) and the side wall of one end of the isolation frame (3) in the length direction, the horizontal plate covers the top of one end of the cooling tank (11), and the liquid inlet pipe (31) penetrates through the horizontal plate and is communicated with the cooling tank (11);
the liquid outlet pipe (32) penetrates through the side wall of the isolation frame (3) and is communicated with the gap between the battery cell (5).
3. The immersed cell cooling device according to claim 1, wherein the installation chassis (1) is provided with a plurality of cooling grooves (11), the cooling grooves (11) are uniformly distributed along the width direction of the installation chassis (1), one ends of the cooling grooves (11) in the length direction are communicated, and one ends of the cooling grooves (11) in the length direction are located under the liquid inlet pipe (31).
4. An immersion type cell cooling device according to claim 1, characterized in that a sealing rubber strip (33) is provided between two adjacent cells (5) in the length direction of the partition plate (4).
5. An immersion cell cooling arrangement according to claim 1, characterized in that two cells (5) adjacent in the length direction of the separator (4) are connected by a connecting buckle (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438050.9U CN220106654U (en) | 2023-06-06 | 2023-06-06 | Immersed type battery cell cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438050.9U CN220106654U (en) | 2023-06-06 | 2023-06-06 | Immersed type battery cell cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106654U true CN220106654U (en) | 2023-11-28 |
Family
ID=88867388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321438050.9U Active CN220106654U (en) | 2023-06-06 | 2023-06-06 | Immersed type battery cell cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106654U (en) |
-
2023
- 2023-06-06 CN CN202321438050.9U patent/CN220106654U/en active Active
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