CN219371129U - Liquid cooling energy storage subrack - Google Patents
Liquid cooling energy storage subrack Download PDFInfo
- Publication number
- CN219371129U CN219371129U CN202320504988.XU CN202320504988U CN219371129U CN 219371129 U CN219371129 U CN 219371129U CN 202320504988 U CN202320504988 U CN 202320504988U CN 219371129 U CN219371129 U CN 219371129U
- Authority
- CN
- China
- Prior art keywords
- liquid
- liquid cooling
- energy storage
- cooling plate
- battery cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 98
- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 238000004146 energy storage Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 28
- 239000000758 substrate Substances 0.000 claims description 24
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002654 heat shrinkable material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Secondary Cells (AREA)
Abstract
A liquid cooling energy storage insertion box comprises a box body and a battery cell group; the number of the battery cell groups is multiple, the battery cell groups are arranged in the box body, a liquid cooling plate is arranged between two adjacent battery cell groups, the liquid cooling plate is vertically arranged, a liquid cooling cavity and a closed cavity are arranged in the liquid cooling plate, one end of the liquid cooling plate is provided with a liquid inlet and a liquid outlet which are communicated with the liquid cooling cavity, the closed cavity is internally provided with a fire extinguishing agent, the end part of the closed cavity is provided with a sealing cover, and the sealing cover is made of a heat shrinkage material; two circulating pipe orifices are arranged on the outer side of the box body, and the liquid inlet and the liquid outlet are respectively connected with the two circulating pipe orifices through a connecting component. According to the utility model, the battery core can be quickly and uniformly cooled through the liquid cooling plate, when the battery core is in thermal runaway, the temperature at the sealing cover exceeds a threshold value, the sealing cover is quickly contracted under the condition of high temperature heating, the sealing interface is damaged, the fire extinguishing agent packaged in the battery can be instantly released, the whole battery box body is filled, the battery is prevented from being quickly combusted, precious time is strived for personnel evacuation, and the battery box belongs to the field of energy storage battery boxes.
Description
Technical Field
The utility model relates to the field of energy storage battery plug boxes, in particular to a liquid cooling energy storage plug box.
Background
Along with the development of the current energy storage industry, lithium battery energy storage is widely applied to the aspects of power grid frequency modulation, micro-power grid and industrial and commercial energy storage, but most of the current markets are naturally cooled or air-cooled, and the development requirements of large capacity and high multiplying power of the system cannot be met. Meanwhile, the temperature has great influence on the safety, service life and the like of a battery system, the service life of a battery is seriously influenced by overhigh temperature and overlarge temperature difference, and the battery is possibly caused to generate thermal runaway due to safety risks when the battery is seriously damaged, so that safety accidents such as fire and explosion are caused, and the battery temperature field is urgently managed by a heat-dissipation, quick, uniform and safe thermal management structure.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the utility model aims at: the liquid cooling energy storage plug box is fast and uniform in heat dissipation and high in safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a liquid cooling energy storage insertion box comprises a box body and a battery cell group; the number of the battery cell groups is multiple, the battery cell groups are arranged in the box body, a liquid cooling plate is arranged between two adjacent battery cell groups, the liquid cooling plate is vertically arranged, a liquid cooling cavity and a closed cavity are arranged in the liquid cooling plate, one end of the liquid cooling plate is provided with a liquid inlet and a liquid outlet which are communicated with the liquid cooling cavity, the closed cavity is internally provided with a fire extinguishing agent, the end part of the closed cavity is provided with a sealing cover, and the sealing cover is made of a heat shrinkage material; two circulating pipe orifices are arranged on the outer side of the box body, and the liquid inlet and the liquid outlet are respectively connected with the two circulating pipe orifices through a connecting component.
After the structure is adopted, the two circulating pipe orifices are connected with an external cooling liquid circulating system, and cooling liquid flows into the liquid cooling plate through one circulating pipe orifice and flows out through the other circulating pipe orifice, so that heat is dissipated for the battery cell. The sealing cover is a plastic thin plate, when the battery cell is in thermal runaway, the temperature at the sealing cover exceeds a threshold value, the sealing cover is quickly contracted under the condition of high temperature heating to destroy a sealing interface, the fire extinguishing agent packaged in the battery is instantly released, the whole battery box body is filled, the battery is prevented from being quickly combusted, and valuable time is strived for people to withdraw.
As one preferable mode, the connecting component comprises a collecting pipe and a connecting hose, the side face of the collecting pipe is provided with a plurality of collecting holes, a liquid inlet and a liquid outlet are respectively connected with the collecting holes of the two collecting pipes, and the collecting pipes are connected with a circulating pipe orifice through the connecting hose.
Preferably, the connecting hose and the collecting pipe and the connecting hose and the circulating pipe opening are respectively connected through a clamp.
Preferably, the plurality of cell groups are arranged linearly.
Preferably, the liquid inlet is located above the liquid outlet.
Preferably, the liquid cooling cavity is in a transverse U shape, and the closed cavity is positioned at the inner side of the liquid cooling cavity.
Preferably, the liquid cooling plate comprises an aluminum profile, a first blocking block and a second blocking block; the aluminum profile comprises a hollow profile substrate and two ribs, wherein the profile substrate is vertically arranged, the left end and the right end of the profile substrate are open, the two ribs are positioned in the profile substrate, the length of the two ribs is smaller than that of the profile substrate, the right ends of the two ribs are flush with the right end of the profile substrate, the two ribs are arranged up and down, a liquid inlet channel is formed between the rib positioned above and the top end of the profile substrate, and a liquid outlet channel is formed between the rib positioned below and the bottom of the profile substrate; the first blocking piece is installed in the left end of two ribs, and the second blocking piece is installed in the left end of section bar base plate, and the closing cap is located the right-hand member of two ribs, forms the connecting channel between first blocking piece and the second blocking piece, and the liquid cooling chamber comprises feed liquor passageway, connecting channel and drain passageway.
Preferably, the first blocking piece and the second blocking piece are made of metal materials, and the first blocking piece and the second blocking piece are all welded with aluminum profiles by arc welding and full welding.
As a preferred, the heat shrinkable material is PVC.
Preferably, a heat-conducting silica gel is coated between the liquid cooling plate and the battery cell group.
In general, the utility model has the following advantages: the liquid cooling plate is in contact with the large surface of the battery cell, so that heat can be quickly and uniformly dissipated, and the fire extinguishing agent in the closed cavity can improve the safety.
Drawings
Fig. 1 is a perspective view of a liquid cooled energy storage jack.
FIG. 2 is a schematic diagram of the structure of the liquid cooling plate, the connection assembly and the circulation nozzle.
Fig. 3 is a perspective view of the header.
Fig. 4 is a schematic diagram of the internal structure of the liquid cooling plate.
Wherein, 1 is the box, 2 is the electric core group, 3 is the liquid cooling board, 4 is the collecting main, 5 is coupling hose, 6 is the circulating pipe mouth, 7 is the liquid cooling chamber, 8 is the closed cavity, 9 is first shutoff piece, 10 is the second shutoff piece, 11 is the closing cap, 12 is the water collecting hole.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1 to 3, a liquid-cooled energy storage plug box comprises a box body and a battery cell group; the number of the battery cell groups is multiple, the battery cell groups are arranged in the box body, a liquid cooling plate is arranged between two adjacent battery cell groups, the liquid cooling plate is vertically arranged, a liquid cooling cavity and a closed cavity are arranged in the liquid cooling plate, one end of the liquid cooling plate is provided with a liquid inlet and a liquid outlet which are communicated with the liquid cooling cavity, the closed cavity is internally provided with a fire extinguishing agent, the end part of the closed cavity is provided with a sealing cover, and the sealing cover is made of a heat shrinkage material; two circulating pipe orifices are arranged on the outer side of the box body, and the liquid inlet and the liquid outlet are respectively connected with the two circulating pipe orifices through a connecting component.
The two circulating pipe orifices are connected with an external cooling liquid circulating system, cooling liquid flows into the liquid cooling plate through one circulating pipe orifice and flows out through the other circulating pipe orifice, and the large surface of the liquid cooling plate is attached to the battery cell, so that heat is dissipated for the battery cell. The sealing cover is a plastic thin plate, when the battery cell is in thermal runaway, the temperature at the sealing cover exceeds a threshold value, the sealing cover is quickly contracted under the condition of high temperature heating to destroy a sealing interface, the fire extinguishing agent packaged in the battery is instantly released, the whole battery box body is filled, the battery is prevented from being quickly combusted, and valuable time is strived for people to withdraw.
In this embodiment, the cooling liquid is a 50% glycol solution, and the fire extinguishing agent may be perfluoro-hexanone or other fire extinguishing agents.
The connecting assembly comprises collecting pipes and connecting hoses, a plurality of collecting holes are formed in the side faces of the collecting pipes, the liquid inlet and the liquid outlet are respectively connected with the collecting holes of the two collecting pipes, and the collecting pipes are connected with the circulating pipe orifice through the connecting hoses.
The connecting hose and the collecting pipe and the connecting hose and the circulating pipe orifice are respectively connected through a clamp.
The two collecting pipes are a first collecting pipe and a second collecting pipe respectively, a plurality of collecting holes on the first collecting pipe are connected with a plurality of liquid inlets in one-to-one correspondence, a plurality of collecting holes on the second collecting pipe are connected with a plurality of liquid outlets in one-to-one correspondence, and the collecting pipes and the liquid cooling plates are welded through arc welding in full weld, so that the sealing performance of the system is ensured.
The size of the collecting holes on the collecting pipe can be designed according to actual conditions, the flow is distributed through the size of the side surface openings, the flow flowing through each cell is controlled, and the temperature difference of the cells is controlled.
The plurality of battery cell groups are linearly arranged.
The liquid inlet is positioned above the liquid outlet.
The liquid cooling cavity is in a transverse U shape, and the closed cavity is positioned at the inner side of the liquid cooling cavity.
As shown in fig. 4, wherein the arrow direction represents the flow direction of the cooling liquid. The liquid cooling plate comprises an aluminum profile, a first blocking block and a second blocking block; the aluminum profile comprises a hollow profile substrate and two ribs, wherein the profile substrate is vertically arranged, the left end and the right end of the profile substrate are open, the two ribs are positioned in the profile substrate, the length of the two ribs is smaller than that of the profile substrate, the right ends of the two ribs are flush with the right end of the profile substrate, the two ribs are arranged up and down, a liquid inlet channel is formed between the rib positioned above and the top end of the profile substrate, and a liquid outlet channel is formed between the rib positioned below and the bottom of the profile substrate; the first blocking piece is installed in the left end of two ribs, and the second blocking piece is installed in the left end of section bar base plate, and the closing cap is located the right-hand member of two ribs, forms the connecting channel between first blocking piece and the second blocking piece, and the liquid cooling chamber comprises feed liquor passageway, connecting channel and drain passageway.
The first blocking piece and the second blocking piece are all made of metal materials, and are all welded with aluminum profiles by arc welding and full welding, so that the sealing of the joint is ensured. The aluminum profile is an extruded aluminum profile, and the materials of the extruded aluminum profile, the first blocking piece and the second blocking piece are AL6016-T6.
The heat-shrinkable material is PVC.
And heat conduction silica gel is coated between the liquid cooling plate and the electric core group, so that the heat conduction efficiency between the electric core and the liquid cooling plate is ensured.
When the liquid cooling energy storage plug box is used, cooling liquid enters from the liquid inlet, passes through the connecting hose 1 and enters the collecting pipe, flow is distributed through the collecting pipe, the cooling liquid enters the liquid cooling plate, heat generated by charging and discharging of the battery core is taken out through the cooling liquid, and finally the heat generated by charging and discharging of the battery core is taken out through the collecting pipe, the connecting hose and the liquid outlet, so that the aims of reducing the temperature of the battery and controlling the temperature consistency are fulfilled.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a liquid cooling energy storage subrack which characterized in that: comprises a box body and a battery cell group; the number of the battery cell groups is multiple, the battery cell groups are arranged in the box body, a liquid cooling plate is arranged between two adjacent battery cell groups, the liquid cooling plate is vertically arranged, a liquid cooling cavity and a closed cavity are arranged in the liquid cooling plate, one end of the liquid cooling plate is provided with a liquid inlet and a liquid outlet which are communicated with the liquid cooling cavity, the closed cavity is internally provided with a fire extinguishing agent, the end part of the closed cavity is provided with a sealing cover, and the sealing cover is made of a heat shrinkage material;
two circulating pipe orifices are arranged on the outer side of the box body, and the liquid inlet and the liquid outlet are respectively connected with the two circulating pipe orifices through a connecting component.
2. A liquid-cooled energy storage jack as claimed in claim 1, wherein: the connecting assembly comprises collecting pipes and connecting hoses, a plurality of collecting holes are formed in the side faces of the collecting pipes, the liquid inlet and the liquid outlet are respectively connected with the collecting holes of the two collecting pipes, and the collecting pipes are connected with the circulating pipe orifice through the connecting hoses.
3. A liquid-cooled energy storage jack as claimed in claim 2, wherein: the connecting hose and the collecting pipe and the connecting hose and the circulating pipe orifice are respectively connected through a clamp.
4. A liquid-cooled energy storage jack as claimed in claim 1, wherein: the plurality of battery cell groups are linearly arranged.
5. A liquid-cooled energy storage jack as claimed in claim 1, wherein: the liquid inlet is positioned above the liquid outlet.
6. A liquid-cooled energy storage jack as claimed in claim 1, wherein: the liquid cooling cavity is in a transverse U shape, and the closed cavity is positioned at the inner side of the liquid cooling cavity.
7. A liquid-cooled energy storage jack as defined in claim 6, wherein: the liquid cooling plate comprises an aluminum profile, a first blocking block and a second blocking block;
the aluminum profile comprises a hollow profile substrate and two ribs, wherein the profile substrate is vertically arranged, the left end and the right end of the profile substrate are open, the two ribs are positioned in the profile substrate, the length of the two ribs is smaller than that of the profile substrate, the right ends of the two ribs are flush with the right end of the profile substrate, the two ribs are arranged up and down, a liquid inlet channel is formed between the rib positioned above and the top end of the profile substrate, and a liquid outlet channel is formed between the rib positioned below and the bottom of the profile substrate; the first blocking piece is installed in the left end of two ribs, and the second blocking piece is installed in the left end of section bar base plate, and the closing cap is located the right-hand member of two ribs, forms the connecting channel between first blocking piece and the second blocking piece, and the liquid cooling chamber comprises feed liquor passageway, connecting channel and drain passageway.
8. A liquid-cooled energy storage jack as claimed in claim 7, wherein: the first blocking piece and the second blocking piece are all made of metal materials, and are all welded with aluminum profiles by arc welding and full welding.
9. A liquid-cooled energy storage jack as claimed in claim 1, wherein: the heat-shrinkable material is PVC.
10. A liquid-cooled energy storage jack as claimed in claim 1, wherein: and heat conduction silica gel is coated between the liquid cooling plate and the battery cell group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320504988.XU CN219371129U (en) | 2023-03-13 | 2023-03-13 | Liquid cooling energy storage subrack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320504988.XU CN219371129U (en) | 2023-03-13 | 2023-03-13 | Liquid cooling energy storage subrack |
Publications (1)
Publication Number | Publication Date |
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CN219371129U true CN219371129U (en) | 2023-07-18 |
Family
ID=87137705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320504988.XU Active CN219371129U (en) | 2023-03-13 | 2023-03-13 | Liquid cooling energy storage subrack |
Country Status (1)
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CN (1) | CN219371129U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117559039A (en) * | 2024-01-10 | 2024-02-13 | 新途(无锡)新能源科技有限公司 | Energy storage box body of integrated runner |
-
2023
- 2023-03-13 CN CN202320504988.XU patent/CN219371129U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117559039A (en) * | 2024-01-10 | 2024-02-13 | 新途(无锡)新能源科技有限公司 | Energy storage box body of integrated runner |
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