CN219959140U - Lithium battery circulation cooling system - Google Patents
Lithium battery circulation cooling system Download PDFInfo
- Publication number
- CN219959140U CN219959140U CN202321047967.6U CN202321047967U CN219959140U CN 219959140 U CN219959140 U CN 219959140U CN 202321047967 U CN202321047967 U CN 202321047967U CN 219959140 U CN219959140 U CN 219959140U
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- CN
- China
- Prior art keywords
- pipe
- lithium battery
- liquid
- cooling
- water tank
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- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 54
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005057 refrigeration Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000110 cooling liquid Substances 0.000 description 11
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Hybrid Cells (AREA)
Abstract
The utility model discloses a lithium battery circulating cooling system which comprises a refrigerating water tank, a water cooling plate and a circulating pump, wherein an outlet of the refrigerating water tank is connected with a liquid inlet of the water cooling plate through a liquid inlet pipe, a liquid outlet of the water cooling plate is connected with an inlet of the circulating pump through a liquid outlet pipe, and an outlet of the circulating pump is connected with an inlet of the refrigerating water tank through a return pipe; the lithium battery cooling device has the advantages that the heating efficiency of an external heating system on the lithium battery is improved, the energy consumption of the external heating system is reduced, the influence of a low-temperature environment on the structural performance of the cooling pipeline is reduced, and the like.
Description
Technical Field
The utility model relates to the technical field of lithium battery cooling systems, in particular to a lithium battery circulating cooling system.
Background
The cooling system is one of main means for guaranteeing the performance of lithium batteries of the power lithium battery system, is widely applied to the new energy lithium battery system at present, and is divided into air-cooled type and water-cooled type according to a cooling mode, the water-cooled type cooling system uses special cooling liquid to flow in a cooling liquid pipeline inside the lithium battery system, however, when the lithium battery is heated by a heating system, heat generated by the lithium battery can be transferred to the cooling pipeline and the cooling liquid inside the cooling pipeline to exchange heat, and the specific heat of the cooling liquid is larger, so that more heat of the lithium battery can be absorbed.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides a lithium battery circulating cooling system which improves the heating efficiency of an external heating system on a lithium battery, reduces the energy consumption of the external heating system, does not influence the normal operation of the cooling system, reduces the influence of a low-temperature environment on the structural performance of a cooling pipeline, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lithium battery circulating cooling system comprises a refrigerating water tank, a water cooling plate and a circulating pump, wherein an outlet of the refrigerating water tank is connected with a liquid inlet of the water cooling plate through a liquid inlet pipe, a liquid outlet of the water cooling plate is connected with an inlet of the circulating pump through a liquid outlet pipe, and an outlet of the circulating pump is connected with an inlet of the refrigerating water tank through a return pipe; and a temperature control valve is arranged on the liquid inlet pipe.
Further, a one-way valve is arranged between the temperature control valve and the liquid inlet of the water cooling plate on the liquid inlet pipe.
Further, an overflow pipe is connected to one side wall of the refrigerating water tank, the tail end of the overflow pipe is connected with the return pipe, and an overflow valve is arranged on the overflow pipe.
Compared with the prior art, the utility model has the beneficial effects that: this lithium cell circulation cooling system, when the lithium cell heats, open the circulating pump through closing the temperature detect valve, in extracting the coolant liquid to the refrigerating water tank in the drain pipe with temperature detect valve department on the feed liquor pipe, in extracting the feed liquor pipe, water-cooling plate and drain pipe, carry out the heat exchange through the lower air of specific heat in water-cooling plate, feed liquor pipe and the drain pipe and the lithium cell, reduce the cooling line between feed liquor pipe, water-cooling plate and the drain pipe and the heat exchange of lithium cell, improve the heating efficiency of external heating system to the lithium cell, reduce the energy consumption of external heating system, and do not influence cooling system's normal work, reduce the influence of low temperature environment to cooling line structural performance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1 a refrigeration water tank, 2 a liquid inlet pipe, 21 a temperature control valve, 22 a one-way valve, 3 a water cooling plate, 4 a liquid outlet pipe, 5 a circulating pump, 6 a liquid return pipe, 7 an overflow pipe and 8 an overflow valve.
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.
Example 1
Referring to fig. 1, the present utility model provides a technical solution: the lithium battery circulating cooling system comprises a refrigerating water tank 1, a water cooling plate 3 and a circulating pump 5, wherein an outlet of the refrigerating water tank 1 is connected with a liquid inlet of the water cooling plate 3 through a liquid inlet pipe 2, a liquid outlet of the water cooling plate 3 is connected with an inlet of the circulating pump 5 through a liquid outlet pipe 4, and an outlet of the circulating pump 5 is connected with an inlet of the refrigerating water tank 1 through a return pipe 6; a temperature control valve 21 is arranged on the liquid inlet pipe 2, and a one-way valve 22 is arranged between the temperature control valve 21 and a liquid inlet of the water cooling plate 3 on the liquid inlet pipe 2; an overflow pipe 7 is connected to one side wall of the refrigeration water tank 1, the tail end of the overflow pipe 7 is connected to the return pipe 6, and an overflow valve 8 is arranged on the overflow pipe 7.
Working principle:
in a low-temperature environment, detecting the external environment temperature through a temperature control valve 21, closing the temperature control valve 21 when the external environment temperature is lower than the temperature set by the temperature control valve 21, pumping cooling liquid from the temperature control valve 21 on a liquid inlet pipe 2 to a liquid outlet pipe 4 into a refrigerating water tank 1 by a circulating pump 5, and when the circulating pump 5 pumps the cooling liquid, inputting air into the liquid inlet pipe 2, a water cooling plate 3 and the liquid outlet pipe 4 through the one-way valve 22 after the negative pressure in the liquid inlet pipe 2 reaches the opening pressure of the one-way valve 22 to ensure the pressure balance in a cooling pipeline; after the cooling liquid in the liquid outlet pipe 4 is completely extracted from the temperature control valve 21 on the liquid inlet pipe 2, the lithium battery is heated by an external heating system, so that the lithium battery is prevented from generating heat exchange with the cooling liquid in the water cooling plate 3 during heating, and the heating efficiency is low and the energy consumption is high; when the external environment temperature is higher than the temperature set by the temperature control valve 21, the temperature control valve 21 is opened, a certain negative pressure exists between the liquid inlet pipe 2 and the liquid outlet pipe 4, so that the cooling liquid in the refrigeration water tank 1 quickly flows into the liquid inlet pipe 2, the water cooling plate 3 and the liquid outlet pipe 4 to form a refrigeration circulation pipeline, and when the lithium battery needs to be cooled, the circulation pump 5 is used for cooling the lithium battery by enabling the cooling liquid to flow along the refrigeration circulation pipeline; the pressure balance in the refrigeration water tank 1 is ensured by the overflow pipe 7 and the overflow valve 8.
In the lithium battery circulation cooling system disclosed in this embodiment, when the lithium battery is heated, the circulation pump 5 is opened by closing the temperature control valve 21, the cooling liquid from the temperature control valve 21 on the liquid inlet pipe 2 to the liquid outlet pipe 4 is pumped into the refrigeration water tank 1, the external air is pumped into the liquid inlet pipe 2, the water cooling plate 3 and the liquid outlet pipe 4, and the heat exchange is performed between the air with lower specific heat in the liquid inlet pipe 2 and the liquid outlet pipe 4 and the lithium battery through the water cooling plate 3, so that the heat exchange between the cooling pipeline among the liquid inlet pipe 2, the water cooling plate 3 and the liquid outlet pipe 4 and the lithium battery is reduced, the heating efficiency of the external heating system to the lithium battery is improved, the energy consumption of the external heating system is reduced, and the influence of the low-temperature environment on the structural performance of the cooling pipeline is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a lithium cell circulative cooling system, includes refrigeration water tank, water-cooling board and circulating pump, its characterized in that: the outlet of the refrigeration water tank is connected with the liquid inlet of the water cooling plate through a liquid inlet pipe, the liquid outlet of the water cooling plate is connected with the inlet of the circulating pump through a liquid outlet pipe, and the outlet of the circulating pump is connected with the inlet of the refrigeration water tank through a return pipe; and a temperature control valve is arranged on the liquid inlet pipe.
2. The lithium battery circulating cooling system according to claim 1, wherein: and a one-way valve is arranged between the temperature control valve and the liquid inlet of the water cooling plate on the liquid inlet pipe.
3. The lithium battery circulating cooling system according to claim 1, wherein: an overflow pipe is connected to one side wall of the refrigerating water tank, the tail end of the overflow pipe is connected with the return pipe, and an overflow valve is arranged on the overflow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047967.6U CN219959140U (en) | 2023-05-05 | 2023-05-05 | Lithium battery circulation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047967.6U CN219959140U (en) | 2023-05-05 | 2023-05-05 | Lithium battery circulation cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959140U true CN219959140U (en) | 2023-11-03 |
Family
ID=88537794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047967.6U Active CN219959140U (en) | 2023-05-05 | 2023-05-05 | Lithium battery circulation cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959140U (en) |
-
2023
- 2023-05-05 CN CN202321047967.6U patent/CN219959140U/en active Active
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