CN220544030U - Heat dissipation heat preservation structure of lithium sulfur battery pack - Google Patents
Heat dissipation heat preservation structure of lithium sulfur battery pack Download PDFInfo
- Publication number
- CN220544030U CN220544030U CN202322186492.5U CN202322186492U CN220544030U CN 220544030 U CN220544030 U CN 220544030U CN 202322186492 U CN202322186492 U CN 202322186492U CN 220544030 U CN220544030 U CN 220544030U
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- China
- Prior art keywords
- cooling
- heat
- lithium sulfur
- shell
- sulfur battery
- 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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- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 15
- 238000004321 preservation Methods 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 76
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000000110 cooling liquid Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000004065 semiconductor Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000005855 radiation Effects 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
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- Secondary Cells (AREA)
Abstract
The utility model belongs to the technical field of lithium sulfur batteries, and particularly relates to a heat dissipation and insulation structure of a lithium sulfur battery pack, which comprises the following components: the lithium sulfur battery cooling device comprises a circulating cooling outer shell with an opening at the front end, wherein a circulating cooling structure is arranged on the inner side of the circulating cooling outer shell, a plurality of lithium sulfur batteries are placed on the inner side of the circulating cooling outer shell, the rear end of the circulating cooling outer shell is fixedly connected with a cooling circulating structure, and the cooling circulating structure is communicated with the circulating cooling outer shell. By utilizing the structures, the heat dissipation and heat preservation structure of the lithium sulfur battery pack, which can effectively cool the lithium sulfur battery, improve the discharging efficiency of the battery and improve the working efficiency, is realized.
Description
Technical Field
The utility model belongs to the technical field of lithium sulfur batteries, and particularly relates to a heat dissipation and insulation structure of a lithium sulfur battery pack.
Background
With the development of modern society, lithium batteries are increasingly widely used, wherein lithium sulfur batteries are very promising lithium batteries due to their higher energy density. The research stage is still in the past 2013. The lithium-sulfur battery is a lithium battery with sulfur element as a battery anode and metal lithium as a cathode. The elementary sulfur has the characteristics of abundant reserves in the earth, low price, environmental friendliness and the like. The theoretical specific capacity of the material and the theoretical specific energy of the battery of the lithium sulfur battery which uses sulfur as the positive electrode material are higher, respectively reach 1675mAh/g and 2600Wh/kg, which are far higher than the capacity (< 150 mAh/g) of the lithium cobalt oxide battery widely used in commerce. And sulfur is an element which is friendly to the environment, has no pollution to the environment basically, and is a very promising lithium battery.
In the prior art, only the silica gel layer is used for insulating the grouped battery cells, and the existing heat-dissipation heat-insulation structure for the lithium sulfur battery pack also has some problems, such as the lack of an effective heat-dissipation mechanism, the lithium sulfur battery pack cannot be cooled down timely after being discharged and heated for a long time, and the discharging efficiency of the battery is further reduced, so that the normal work of the battery is influenced.
Disclosure of Invention
The utility model aims to provide a heat-dissipation heat-preservation structure of a lithium-sulfur battery pack, so as to solve the problems, and achieve the purposes of quickly and effectively reducing and controlling the temperature and improving the discharge efficiency of the battery.
In order to achieve the above object, the present utility model provides the following solutions:
a heat-dissipating and heat-insulating structure of a lithium-sulfur battery pack, comprising: the lithium sulfur battery cooling device comprises a circulating cooling outer shell with an opening at the front end, wherein a circulating sleeve is arranged in the circulating cooling outer shell, a plurality of lithium sulfur batteries are placed on the inner side of the opening of the circulating cooling outer shell, a cooling circulating structure is fixedly connected to the rear end of the circulating cooling outer shell, and the cooling circulating structure is communicated with the circulating cooling outer shell.
Preferably, the circulating cooling outer shell comprises an outer shell and an inner shell, the outer shell is sleeved on the periphery side of the inner shell, and the cooling circulating structure is fixedly connected with the rear end of the outer shell; the circulating sleeve is coiled and sleeved on the periphery of the inner shell, a cooling liquid water inlet and a cooling liquid water outlet are respectively arranged at the rear end of the circulating sleeve, and the cooling liquid water inlet and the cooling liquid water outlet are respectively communicated with the cooling circulating structure.
Preferably, the gap between the circulation sleeve and the inner housing is filled with a thermally conductive gel.
Preferably, a plurality of lithium sulfur batteries are filled with silica gel layers between each other and between the lithium sulfur batteries and the inner shell.
Preferably, the cooling circulation structure comprises a connection shell, the connection shell is fixedly connected to the rear end of the shell, a cooling structure, a cooling liquid circulation pump and a control element are arranged on the inner side of the connection shell, the cooling structure is fixedly communicated with the cooling liquid water inlet, the cooling liquid circulation pump is fixedly communicated with the cooling liquid water outlet, the cooling structure and the cooling liquid circulation pump are communicated through a connecting pipe and jointly form a cooling liquid loop with the circulation sleeve, and the control element is electrically connected with the cooling structure and the cooling liquid circulation pump.
Preferably, the cooling structure comprises a semiconductor refrigerating plate, two ends of the semiconductor refrigerating plate are fixedly communicated with the connecting pipe and the cooling liquid inlet respectively, a cooling fan is fixedly connected to the top end of the semiconductor refrigerating plate, a ventilation slot is formed in the part, above the cooling fan, of the connecting shell, and the semiconductor refrigerating plate, the cooling fan and the control element are electrically connected.
Preferably, the control element comprises a PLC control system, the PLC control system is electrically connected with the cooling structure and the cooling liquid circulating pump, a temperature sensor is fixedly connected with the inner side of the inner shell, the temperature sensor is electrically connected with the PLC control system, and one end of the PLC control system is electrically connected with an external power supply through a power line.
Compared with the prior art, the utility model has the following advantages and technical effects:
through being equipped with the circulative cooling structure at circulative cooling shell body inboard, can cool down the week side of a plurality of lithium sulfur battery well to cool down to the circulation liquid through the cooling circulation structure, thereby realize the effective control to lithium sulfur battery temperature, improve the discharge efficiency of battery, promote work efficiency.
By utilizing the structures, the heat dissipation and heat preservation structure of the lithium sulfur battery pack, which can effectively cool the lithium sulfur battery, improve the discharging efficiency of the battery and improve the working efficiency, is realized.
Drawings
For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment 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 can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the structure of the device;
FIG. 2 is a schematic view of the rear side structure of the present device;
FIG. 3 is a schematic view of the arrangement of the circulation sleeve and the inner housing;
FIG. 4 is a schematic view of the rear side structure of the circulation sleeve and the inner housing;
fig. 5 is a top cross-sectional view of a cooling circulation structure.
Reference numerals: 1. a housing; 2. a cooling circulation structure; 3. a circulation sleeve; 4. a lithium sulfur battery; 5. a silica gel layer; 6. an inner case; 7. a power line; 8. a battery tab; 201. a connection housing; 202. a cooling liquid circulation pump; 203. a semiconductor refrigeration sheet; 204. a heat radiation fan; 205. a PLC control system; 206. a connecting pipe; 207. ventilating and slotting; 301. a cooling liquid inlet; 302. and a cooling liquid outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 5, the present utility model provides a heat dissipation and insulation structure of a lithium sulfur battery, comprising: the front end open-ended circulative cooling shell body is equipped with circulation sleeve 3 in the circulative cooling shell body, and a plurality of lithium sulfur battery 4 has been placed to the opening inboard of circulative cooling shell body, and circulative cooling shell body rear end fixedly connected with cooling circulation structure 2, cooling circulation structure 2 and circulative cooling shell body intercommunication.
Through being equipped with the circulative cooling structure at circulative cooling shell body inboard, can cool down the week side of a plurality of lithium sulfur battery 4 well to cool down to the circulation liquid through cooling circulation structure 2, thereby realize the effective control to lithium sulfur battery 4 temperature, improve the discharge efficiency of battery, promote work efficiency.
In a further optimized scheme, the circulating cooling outer shell comprises an outer shell 1 and an inner shell 6, the outer shell 1 is sleeved on the periphery side of the inner shell 6, and the cooling circulating structure 2 is fixedly connected with the rear end of the outer shell 1; the circulation sleeve 3 is coiled and sleeved on the periphery side of the inner shell 6, the rear end of the circulation sleeve 3 is respectively provided with a cooling liquid water inlet 301 and a cooling liquid water outlet 302, and the cooling liquid water inlet 301 and the cooling liquid water outlet 302 are respectively communicated with the cooling circulation structure 2.
Further optimizing scheme, the clearance between circulation sleeve 3 and inner shell 6 is filled with heat conduction colloid. The heat conducting colloid is preferably heat conducting silica gel, so that the heat conducting efficiency of the circulation sleeve 3 and the inner shell 6 is higher.
According to a further optimization scheme, a plurality of lithium sulfur batteries 4 are filled with silica gel layers 5, and a plurality of lithium sulfur batteries 4 and an inner shell 6 are filled with silica gel layers. The silica gel layer 5 is preferably made of heat-conducting silica gel, so that the temperature of the peripheral sides of the lithium-sulfur batteries 4 can be rapidly diffused to realize cooling, and local heating is prevented.
Further optimizing scheme, cooling circulation structure 2 includes connecting casing 201, and connecting casing 201 fixed connection is at shell 1 rear end, and connecting casing 201 inboard is equipped with cooling structure, coolant circulation pump 202, control element, and cooling structure and coolant water inlet 301 fixed intercommunication, coolant circulation pump 202 and coolant water outlet 302 fixed intercommunication, and cooling structure, coolant circulation pump 202 are through connecting pipe 206 intercommunication and form the coolant loop jointly with circulation sleeve 3 between, control element and cooling structure, coolant circulation pump 202 electric connection.
Further optimizing scheme, the cooling structure includes semiconductor refrigeration piece 203, and semiconductor refrigeration piece 203 both ends are fixed intercommunication with connecting pipe 206, coolant water inlet 301 respectively, and semiconductor refrigeration piece 203 top fixedly connected with radiator fan 204, and ventilation fluting 207 has been seted up to the part that connecting housing 201 is located radiator fan 204 top, and semiconductor refrigeration piece 203, radiator fan 204 and control element electric connection. The refrigerating end of the semiconductor refrigerating piece 203 faces the cooling liquid water inlet 301, so that the cooling of the cooling liquid water inlet 301 is realized, the heat generating end of the semiconductor refrigerating piece 203 faces the cooling fan 204, and the cooling fan 204 is allowed to cool the semiconductor refrigerating piece.
Further optimizing scheme, control element includes PLC control system 205, PLC control system 205 and cooling structure, coolant circulation pump 202 electric connection, and inner shell 6 inboard fixedly connected with temperature sensor, temperature sensor and PLC control system 205 electric connection, PLC control system 205 one end is through power cord 7 and external power source electric connection.
The design of the temperature sensor enables the temperature of the lithium sulfur battery 4 in the device to be monitored in real time, so that the situation that the temperature of the lithium sulfur battery 4 is too low is prevented, and a certain temperature control and heat preservation effect is achieved.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. The utility model provides a heat dissipation insulation construction of lithium sulfur battery, its characterized in that includes: front end open-ended circulative cooling shell body, be equipped with circulation sleeve (3) in the circulative cooling shell body, a plurality of lithium sulfur battery (4) have been placed to the opening inboard of circulative cooling shell body, circulative cooling shell body rear end fixedly connected with cooling circulation structure (2), cooling circulation structure (2) with circulative cooling shell body intercommunication.
2. The heat-dissipation and heat-preservation structure of the lithium sulfur battery pack according to claim 1, wherein the circulating cooling outer shell comprises an outer shell (1) and an inner shell (6), the outer shell (1) is sleeved on the periphery of the inner shell (6), and the cooling circulating structure (2) is fixedly connected with the rear end of the outer shell (1); the circulating sleeve (3) is coiled and sleeved on the periphery of the inner shell (6), a cooling liquid water inlet (301) and a cooling liquid water outlet (302) are respectively arranged at the rear end of the circulating sleeve (3), and the cooling liquid water inlet (301) and the cooling liquid water outlet (302) are respectively communicated with the cooling circulating structure (2).
3. The heat-dissipating and heat-insulating structure of the lithium sulfur battery pack according to claim 2, wherein a gap between the circulation sleeve (3) and the inner shell (6) is filled with heat-conducting glue.
4. The heat-dissipation and heat-preservation structure of the lithium sulfur battery pack according to claim 2, wherein a plurality of lithium sulfur batteries (4) are filled with silica gel layers (5) between each other and between the lithium sulfur batteries (4) and the inner shell (6).
5. A heat-dissipation and heat-preservation structure of a lithium sulfur battery pack according to claim 3, wherein the cooling circulation structure (2) comprises a connection shell (201), the connection shell (201) is fixedly connected to the rear end of the shell (1), a cooling structure, a cooling liquid circulation pump (202) and a control element are arranged on the inner side of the connection shell (201), the cooling structure is fixedly communicated with the cooling liquid water inlet (301), the cooling liquid circulation pump (202) is fixedly communicated with the cooling liquid water outlet (302), the cooling structure and the cooling liquid circulation pump (202) are communicated through a connecting pipe (206) and form a cooling liquid loop together with the circulation sleeve (3), and the control element is electrically connected with the cooling structure and the cooling liquid circulation pump (202).
6. The heat-dissipating and heat-preserving structure of a lithium sulfur battery pack according to claim 5, wherein the cooling structure comprises a semiconductor refrigerating piece (203), two ends of the semiconductor refrigerating piece (203) are fixedly communicated with the connecting pipe (206) and the cooling liquid inlet (301) respectively, a heat-dissipating fan (204) is fixedly connected to the top end of the semiconductor refrigerating piece (203), a ventilation slot (207) is formed in the part, above the heat-dissipating fan (204), of the connecting shell (201), and the semiconductor refrigerating piece (203) and the heat-dissipating fan (204) are electrically connected with the control element.
7. The heat-dissipation and heat-preservation structure of a lithium sulfur battery pack according to claim 5, wherein the control element comprises a PLC control system (205), the PLC control system (205) is electrically connected with the cooling structure and the cooling liquid circulating pump (202), a temperature sensor is fixedly connected to the inner side of the inner shell (6), the temperature sensor is electrically connected with the PLC control system (205), and one end of the PLC control system (205) is electrically connected with an external power supply through a power line (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322186492.5U CN220544030U (en) | 2023-08-15 | 2023-08-15 | Heat dissipation heat preservation structure of lithium sulfur battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322186492.5U CN220544030U (en) | 2023-08-15 | 2023-08-15 | Heat dissipation heat preservation structure of lithium sulfur battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544030U true CN220544030U (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322186492.5U Active CN220544030U (en) | 2023-08-15 | 2023-08-15 | Heat dissipation heat preservation structure of lithium sulfur battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544030U (en) |
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2023
- 2023-08-15 CN CN202322186492.5U patent/CN220544030U/en active Active
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