CN221041289U - Immersed liquid cooling battery box - Google Patents
Immersed liquid cooling battery box Download PDFInfo
- Publication number
- CN221041289U CN221041289U CN202322253079.6U CN202322253079U CN221041289U CN 221041289 U CN221041289 U CN 221041289U CN 202322253079 U CN202322253079 U CN 202322253079U CN 221041289 U CN221041289 U CN 221041289U
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- Prior art keywords
- liquid
- box body
- liquid cooling
- fixed
- shell
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- 239000007788 liquid Substances 0.000 title claims abstract description 124
- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 239000002826 coolant Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 125000003827 glycol group Chemical group 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 6
- 238000007654 immersion Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides an immersed liquid-cooled battery box, which comprises a box body and a placing shell, wherein the placing shell is arranged in the box body, and a gap is reserved between the placing shell and the box body; the liquid cooling device comprises a box body, a liquid inlet, a liquid outlet and a liquid storage shell, wherein a liquid cooling cavity is arranged in the box body, liquid cooling agent is filled in the liquid cooling cavity, and the liquid storage shell is positioned in the liquid cooling cavity and immersed in the liquid agent; the liquid inlet is fixed on the box body; the liquid outlet is fixed on the box body, and the liquid inlet and the liquid outlet are respectively used for liquid cooling agent to enter and exit the box body. Through setting up inlet and liquid outlet and liquid cooling chamber, the liquid cooling agent can be full of the liquid cooling chamber to make to place the shell submergence in the liquid agent, the liquid cooling agent can absorb the heat of electric core during the use, can evenly absorb the heat of placing in the shell through the liquid cooling agent, can evenly dispel the heat to the electric core in the battery box, guarantees the holistic performance of battery package.
Description
Technical Field
The utility model relates to the technical field of battery boxes, in particular to an immersed liquid cooling battery box.
Background
The battery box is a system formed by a plurality of single battery cells in a serial connection and parallel connection mode in the practical application process, the surface of each battery cell can generate different heat according to different use conditions in the charging and discharging process of the battery box, the heat accumulation to a certain extent can influence the performance and service life of the whole battery pack system, even the safety of the whole system can be influenced, the current measures for solving the overheating of the battery pack generally have two kinds, namely an air cooling measure and a liquid cooling measure, but the conditions of uneven heat dissipation can exist.
The Chinese patent with publication number CN111710807A discloses a battery box, in the practical use process, the battery box comprises electric cores, a heating film and a liquid cooling plate, the heating film is arranged below the electric cores, the heating film comprises a lower insulating layer, an upper insulating layer and a heating component, the upper insulating layer is arranged above the lower insulating layer, and the heating component is arranged between the upper insulating layer and the lower insulating layer; the liquid cooling plate is arranged below the heating film and comprises an upper plate body and a lower plate body which are connected with each other, and a cooling channel is arranged between the upper plate body and the lower plate body; wherein, lower insulating layer cooperates with the upper plate body.
According to the technical scheme, the plurality of liquid cooling plates are arranged to radiate heat for the battery cells, so that the temperature of the position close to the liquid cooling plates is lower than that of the position far away from the liquid cooling plates, the temperature of the battery box is uneven, the temperature difference is large, the overall performance of the battery pack is affected, and the immersed liquid cooling battery box is necessary to solve the technical problems.
Disclosure of utility model
In view of this, the utility model provides an immersed liquid cooling battery box, which can uniformly dissipate heat of a battery core in the battery box and ensure the overall performance of the battery pack.
The technical scheme of the utility model is realized as follows: the utility model provides an immersed liquid-cooled battery box, which comprises a box body and a placing shell, wherein,
The placing shell is arranged in the box body, and a gap is reserved between the placing shell and the box body;
also comprises a liquid inlet and a liquid outlet, wherein,
The box body is internally provided with a liquid cooling cavity, the liquid cooling cavity is filled with a liquid cooling agent, and the placing shell is positioned in the liquid cooling cavity and immersed into the liquid cooling agent;
the liquid inlet is fixed on the box body;
The liquid outlet is fixed on the box body, and the liquid inlet and the liquid outlet are respectively used for liquid cooling agent to enter and exit the box body.
On the basis of the technical proposal, preferably, the placing shell comprises a mounting frame and a plurality of electric core cavities, wherein,
The mounting frame is propped against the box body;
The die cavity is fixed on the mounting frame.
On the basis of the technical scheme, preferably, the electric core cavities are equidistantly arranged on the mounting frame, a gap is arranged between two adjacent electric core cavities, and the gap is used for circulation of liquid coolant.
On the basis of the technical scheme, preferably, the heat-conducting structural adhesive is arranged in the electric core cavity, and the heat-conducting structural adhesive is positioned between adjacent electric cores.
On the basis of the technical proposal, preferably, the box body comprises a fixed shell and a mounting bin, wherein,
The installation storehouse is fixed in fixed shell inboard, and the installation frame supports to hold on the installation storehouse, and inlet and liquid outlet are fixed on fixed shell, and the liquid cooling chamber sets up in the installation storehouse, and inlet and liquid outlet are linked together with the liquid cooling chamber.
On the basis of the above technical solution, it is preferable that the battery pack further includes a BMS battery system fixed to the outer wall of the stationary housing.
On the basis of the technical scheme, the battery pack also comprises a connecting aluminum row, wherein the connecting aluminum row is arranged on the placing shell and used for connecting the battery cells.
On the basis of the technical scheme, the BMS battery system is characterized by preferably further comprising a temperature probe, wherein the temperature probe is arranged in the connecting aluminum row and used for detecting the temperature of the battery cell, and the temperature probe is electrically connected with the BMS battery system.
On the basis of the technical scheme, preferably, threaded holes are formed in the mounting frame and the mounting bin, the mounting frame and the mounting bin are fixed through fixing bolts, and the fixing bolts are matched with the threaded holes.
On the basis of the technical scheme, preferably, the liquid coolant is glycol aqueous solution.
Compared with the prior art, the immersed liquid-cooled battery box has the following beneficial effects:
(1) Through setting up inlet and liquid outlet and liquid cooling chamber, the liquid cooling agent can be full of the liquid cooling chamber to make and place the shell submergence in the liquid agent, the liquid cooling agent can absorb the heat of electric core during the use, can evenly absorb the heat of placing in the shell through the liquid cooling agent, can evenly dispel the heat to the electric core in the battery box, guarantees the holistic performance of battery package;
(2) Through setting up installing frame and electric core chamber, electric core chamber not only can place the electric core, owing to be provided with the clearance between the adjacent electric core chamber moreover, can also protect the electric core simultaneously, can avoid the box direct effort in electric core when receiving the impact, the buffering impact that the outer wall of cavity can be fine protects electric core not receive the damage.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an immersion liquid cooled battery box of the present utility model;
FIG. 2 is a schematic view of the structure of a containment vessel in an immersion liquid cooled battery box of the present utility model;
FIG. 3 is a schematic view of the structure of a tank body in an immersed liquid-cooled battery tank according to the present utility model;
FIG. 4 is a schematic diagram of a temperature probe in an immersion liquid cooled battery box according to the present utility model;
fig. 5 is a top view of an immersion liquid cooled battery box of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1 to 5, the submerged liquid-cooled battery box of the utility model comprises a box body 1 and a placing shell 2, wherein the placing shell 2 is arranged in the box body 1, and a gap is reserved between the placing shell 2 and the box body 1; the liquid cooling device further comprises a liquid inlet 3 and a liquid outlet 4, wherein a liquid cooling cavity 5 is arranged in the box body 1, a liquid cooling agent is filled in the liquid cooling cavity 5, and the placing shell 2 is positioned in the liquid cooling cavity 5 and immersed in the liquid agent; the liquid inlet 3 is fixed on the box body 1; the liquid outlet 4 is fixed on the box body 1, and the liquid inlet 3 and the liquid outlet 4 are respectively used for liquid coolant to enter and exit the box body 1.
Through setting up inlet 3 and liquid outlet 4 and liquid cooling chamber 5, the liquid cooling agent can be full of liquid cooling chamber 5 to make to place shell 2 submergence in liquid agent, the heat of electric core can be absorbed to the liquid cooling agent during the use, can evenly absorb the heat of placing in the shell 2 through the liquid cooling agent, can evenly dispel the heat to the electric core in the battery box, guarantees the holistic performance of battery package.
As a preferred embodiment, the placement shell 2 comprises a mounting frame 21 and a plurality of electric core cavities 22, wherein the mounting frame 21 is abutted against the box body 1; the die cavity 22 is fixed to the mounting frame 21.
Specifically, the mounting frame 21 is square, and the mounting frame 21 and the cell cavity 22 are fixed by welding, and the cell is placed in the cell cavity 22.
As a preferred embodiment, the electric core cavities 22 are equidistantly arranged on the mounting frame 21, and a gap 23 is arranged between two adjacent electric core cavities 22, and the gap 23 is used for circulating liquid coolant.
Specifically, in order to facilitate the circulation of the liquid coolant, a gap 23 is provided between two adjacent core cavities 22, so that the liquid coolant can circulate well, and the uniformity is further improved.
When the battery cell cavity 22 is used, the battery cells can be placed, and due to the fact that the gaps 23 are formed between the adjacent battery cell cavities 22, the battery cells can be protected, the case 1 can be prevented from being directly acted on the battery cells when being impacted, impact can be well buffered by the outer wall of the cavity, and the battery cells are protected from being damaged.
As a preferred embodiment, the die cavity 22 is provided with a heat conductive structural adhesive, and the heat conductive structural adhesive is located between adjacent die.
In order to increase the thermal conductivity between two adjacent cell cavities 22 and to space, the thermal conductive structural adhesive is arranged, so that the installation of the cell is convenient, the use is convenient, the thermal conductivity between two adjacent cell cavities 22 is good, and the uniformity of the battery pack can be increased.
As a preferred embodiment, the box 1 includes a fixed housing 11 and a mounting bin 12, wherein the mounting bin 12 is fixed on the inner side of the fixed housing 11, the mounting frame 21 is propped against the mounting bin 12, the liquid inlet 3 and the liquid outlet 4 are fixed on the fixed housing 11, the liquid cooling cavity 5 is arranged in the mounting bin 12, and the liquid inlet 3 and the liquid outlet 4 are communicated with the liquid cooling cavity 5.
Specifically, the fixing housing 11 and the installation bin 12 are fixed by welding, and the installation bin 12 is lower than the fixing housing 11 in height, thereby facilitating installation.
As a preferred embodiment, the BMS battery system 6 is further included, and the BMS battery system 6 is fixed to the outer wall of the stationary housing 11.
In order to protect the battery cell, simultaneously in order to guarantee the security of battery box, through setting up BMS battery system 6, BMS battery system 6 is connected with the electric core between the electric core.
As a preferred embodiment, it further comprises a connection aluminum bar 7, said connection aluminum bar 7 being provided on the placement case 2 for connection between the cells.
Specifically, the connection aluminum row 7 is provided with a plurality of battery cells which are connected in series and parallel to form a battery module.
As a preferred embodiment, the battery pack further comprises a temperature probe 8, wherein the temperature probe 8 is arranged in the connecting aluminum row 7 and is used for detecting the temperature of the battery cells, and the temperature probe 8 is electrically connected with the BMS battery system 6.
Specifically, the temperature probes 8 may be temperature sensors, the temperature probes 8 are located at the center of the aluminum row 7, and the temperature probes 8 are several and correspond to the electric cores one by one.
As a preferred embodiment, the mounting frame 21 and the mounting bin 12 are provided with threaded holes 24, the mounting frame 21 and the mounting bin 12 are fixed by fixing bolts 9, and the fixing bolts 9 are matched with the threaded holes 24.
For convenient installation, screw holes 24 are formed in the mounting frame 21 and the mounting bin 12, so that the mounting frame 21 and the mounting bin 12 can be directly fixed through the fixing bolts 9, and the use is convenient.
As a preferred embodiment, the liquid coolant is an aqueous glycol solution.
The working principle of the embodiment is as follows:
the liquid cooling agent can be filled in the liquid cooling cavity 5, so that the placing shell 2 is immersed in the liquid agent, the liquid cooling agent can absorb heat of the battery cell when the battery pack is used, the liquid cooling agent can uniformly absorb heat in the placing shell 2, the battery cell in the battery box can be uniformly cooled, and the overall performance of the battery pack is ensured;
When the battery cell cavity 22 is used, the battery cells can be placed, and because the gaps 23 are arranged between the adjacent battery cell cavities 22, the battery cells can be protected, the case 1 can be prevented from being directly acted on the battery cells when being impacted, the outer wall of the cavity can well buffer the impact, and the battery cells are protected from being damaged;
Meanwhile, the liquid cooling agent enters the lower box cavity of the battery box from the liquid inlet of the battery box, and flows out from the liquid outlet 4 of the box body 1, so that the flowing circulation of the whole liquid cooling agent is completed; the liquid cooling agent contacts with the electric core cavity 22 in the flowing process of the liquid cooling cavity 5 of the whole box body 1, the temperature of the surface of the electric core cavity 22 is taken away, the heat conduction structural adhesive inside the electric core cavity 22 contacts with two large surfaces of the electric core, heat transfer is completed in this way, all the electric core is soaked in the liquid cooling agent, and meanwhile, the BMS battery system 6 and the temperature probe 8 conduct temperature management on the large surfaces of the electric core.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. An immersed liquid-cooled battery box comprises a box body (1) and a placing shell (2), wherein,
The placing shell (2) is arranged in the box body (1), and a gap is reserved between the placing shell (2) and the box body (1);
The method is characterized in that: also comprises a liquid inlet (3) and a liquid outlet (4), wherein,
A liquid cooling cavity (5) is arranged in the box body (1), a liquid cooling agent is filled in the liquid cooling cavity (5), and the placing shell (2) is positioned in the liquid cooling cavity (5) and immersed in the liquid agent;
the liquid inlet (3) is fixed on the box body (1);
The liquid outlet (4) is fixed on the box body (1), and the liquid inlet (3) and the liquid outlet (4) are respectively used for liquid coolant to enter and exit the box body (1).
2. The submerged, liquid-cooled battery box of claim 1, wherein: the placing shell (2) comprises a mounting frame (21) and a plurality of electric core cavities (22), wherein,
The mounting frame (21) is propped against the box body (1);
the cell cavity (22) is fixed on the mounting frame (21).
3. The submerged, liquid-cooled battery box of claim 2, wherein: the electric core cavities (22) are equidistantly arranged on the mounting frame (21), a gap (23) is arranged between two adjacent electric core cavities (22), and the gap (23) is used for circulating liquid coolant.
4. The submerged, liquid-cooled battery box of claim 3, wherein: and heat conduction structural adhesive is arranged in the electric core cavity (22), and the heat conduction structural adhesive is positioned between adjacent electric cores.
5. The submerged, liquid-cooled battery box of claim 2, wherein: the box body (1) comprises a fixed shell (11) and a mounting bin (12), wherein,
The installation bin (12) is fixed on the inner side of the fixed shell (11), the installation frame (21) is propped against the installation bin (12), the liquid inlet (3) and the liquid outlet (4) are fixed on the fixed shell (11), the liquid cooling cavity (5) is arranged in the installation bin (12), and the liquid inlet (3) and the liquid outlet (4) are communicated with the liquid cooling cavity (5).
6. The submerged, liquid-cooled battery box of claim 1, wherein: the battery system (6) is fixed on the outer wall of the fixed shell (11).
7. The submerged, liquid-cooled battery box of claim 6, wherein: the battery pack also comprises a connecting aluminum row (7), wherein the connecting aluminum row (7) is arranged on the placing shell (2) and is used for connecting the battery cells.
8. The submerged, liquid-cooled battery box of claim 7, wherein: the battery cell temperature detection device is characterized by further comprising a temperature probe (8), wherein the temperature probe (8) is arranged in the connecting aluminum row (7) and used for detecting the battery cell temperature, and the temperature probe (8) is electrically connected with the BMS battery system (6).
9. The submerged, liquid-cooled battery box of claim 5, wherein: threaded holes (24) are formed in the mounting frame (21) and the mounting bin (12), the mounting frame (21) and the mounting bin (12) are fixed through fixing bolts (9), and the fixing bolts (9) are matched with the threaded holes (24).
10. The submerged, liquid-cooled battery box of claim 1, wherein: the liquid coolant is glycol aqueous solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322253079.6U CN221041289U (en) | 2023-08-22 | 2023-08-22 | Immersed liquid cooling battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322253079.6U CN221041289U (en) | 2023-08-22 | 2023-08-22 | Immersed liquid cooling battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041289U true CN221041289U (en) | 2024-05-28 |
Family
ID=91173757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322253079.6U Active CN221041289U (en) | 2023-08-22 | 2023-08-22 | Immersed liquid cooling battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041289U (en) |
-
2023
- 2023-08-22 CN CN202322253079.6U patent/CN221041289U/en active Active
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