CN219350370U - Energy storage 3kW liquid cooling unit - Google Patents
Energy storage 3kW liquid cooling unit Download PDFInfo
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- CN219350370U CN219350370U CN202320003411.0U CN202320003411U CN219350370U CN 219350370 U CN219350370 U CN 219350370U CN 202320003411 U CN202320003411 U CN 202320003411U CN 219350370 U CN219350370 U CN 219350370U
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- 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
- Y02E60/14—Thermal energy storage
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Abstract
The energy storage 3kW liquid cooling unit provides stable refrigerating capacity and heating capacity for battery packs in a single distributed energy storage battery cabin, and is important thermal management equipment in the whole distributed energy storage system. The cooling system in the liquid cooling unit adopts an air cooling type refrigerating system as a secondary heat exchange mode, and continuously takes away heat in the charge and discharge processes of the battery clusters through the circulation of a cooling medium, so that the working temperature of the battery core is ensured not to be too high. The cooling system mainly comprises a liquid supply unit, a refrigeration and heat dissipation unit and a control and protection unit, and simultaneously meets the heat dissipation and heating functions.
Description
Technical Field
The utility model belongs to the field of heat management of energy storage systems, and particularly relates to an energy storage 3kW liquid cooling unit.
Background
In response to the national "3060 dual carbon target", the energy storage industry will meet the rapid development demand, and the market demand for energy storage battery systems will also be higher and higher. The energy storage battery system is an important component of a modern power system and a smart grid, and is also an important link for realizing renewable energy grid connection, absorption and high-efficiency application of distributed power generation. Compared with other energy storage modes, the electrochemical energy storage has the advantages of short response time, high energy density, small site limitation and the like.
The energy storage battery system has the common conditions of large battery capacity and power, the heat generation requirement of the internal battery is high, and the cooling problem of the internal battery seriously affects the performance and the reliability of the device. Therefore, an efficient heat dissipation method must be employed. The energy storage cooling system provides good heat dissipation conditions for the operation of the battery, so that the battery system and the cooling medium exchange heat and discharge heat, and the energy storage battery system safely and normally operates.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides an energy storage 3kW liquid cooling unit. The cooling system in the liquid cooling unit adopts an air cooling type refrigerating system as a secondary heat exchange mode, and continuously takes away heat in the charge and discharge processes of the battery clusters through the circulation of a cooling medium, so that the working temperature of the battery core is ensured not to be too high. The cooling system mainly comprises a liquid supply unit, a refrigeration and heat dissipation unit and a control and protection unit, and simultaneously meets the heat dissipation and heating functions.
The utility model adopts the following technical scheme.
An energy storage 3kW liquid cooling unit comprising a frame system (12):
the water cooling circulation unit and the refrigeration circulation unit are fixed on the frame system (12) through brackets and bolts; the water cooling circulation unit comprises an electric heater (1), a high-level water tank (2), a main circulation pump (3), a plate heat exchanger (4) and a Y-shaped filter (5) which are sequentially connected through pipelines; the refrigeration cycle unit comprises a compressor (6), a condenser (7), a drying filter (8), a thermal expansion valve (9), a bypass electromagnetic valve (10) and an axial flow fan (11), which are sequentially connected through pipelines.
Preferably, the high-level water tank (2) is provided with a breather valve at the top.
Preferably, the inlet of the bypass electromagnetic valve (10) is connected with the outlet of the compressor (6), and the outlet is connected with the inlet of the plate heat exchanger (4).
Preferably, the axial fan (11) is fastened to the frame system (12) by means of bolts.
Preferably, the plate heat exchanger (4) exchanges heat between the water-cooled circulation unit and the refrigeration circulation unit.
Compared with the prior art, the energy storage 3kW liquid cooling unit provided by the utility model can provide stable flow, effectively cool, basically stabilize the temperature of the battery pack fed by the cooling medium, prevent the temperature of the cooling medium from suddenly rising and suddenly falling, and track the change of the thermal load of the battery pack by the energy storage 3kW liquid cooling unit through heat dissipation, so that the temperature of the battery pack fed by the cooling medium is stabilized within a set range, and reliable guarantee is provided for the stable operation of the battery pack.
Drawings
FIG. 1 is a schematic diagram of a refrigeration cycle unit of an energy storage 3kW liquid cooling unit;
FIG. 2 is a schematic diagram of a structure of an energy storage 3kW liquid cooling unit;
fig. 3 is a schematic diagram of a water cooling circulation unit of the energy storage 3kW liquid cooling unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described herein are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without inventive faculty, are within the scope of the utility model, based on the spirit of the utility model.
As shown in fig. 1, 2 and 3, an energy storage 3kW liquid cooling unit mainly includes: the device comprises an electric heater (1), a high-level water tank (2), a main circulating pump (3), a plate heat exchanger (4), a Y-type filter (5), a compressor (6), a condenser (7), a dry filter (8), a thermal expansion valve (9), a bypass electromagnetic valve (10), an axial flow fan (11) and a frame system (12).
An energy storage 3kW liquid cooling unit consists of a water cooling circulation unit, a refrigeration circulation unit and a frame system (12).
The water cooling circulation unit and the refrigeration circulation unit are fixed on the frame system (12) through brackets and bolts.
The water cooling circulation unit comprises an electric heater (1), a high-level water tank (2), a main circulation pump (3), a plate heat exchanger (4) and a Y-shaped filter (5).
The electric heater (1), the high-level water tank (2), the main circulating pump (3), the plate heat exchanger (4) and the Y-type filter (5) are sequentially connected through pipelines to form a water cooling circulating unit.
The plate heat exchanger (4) is a place where the water cooling circulation unit and the refrigeration circulation unit exchange heat. The high-level water tank (2) is characterized in that a breather valve is arranged at the top of the water tank to stabilize the system, so that the normal operation of the whole system is ensured.
When the temperature of the external environment is low, the electric heater (1) heats the cooling medium, so that the temperature of the cooling medium is maintained within a certain range, and the requirement of the unit working in a low-temperature environment is met.
The working principle of the water cooling circulation system is that a cooling medium is discharged from a cooled device of an energy storage cabinet, is boosted by a main circulation pump (3), enters a plate heat exchanger (4), takes away heat through evaporation of a refrigerant in a refrigerating unit to reduce the temperature of the cooling medium, and then passes through a Y-shaped filter (5) to be supplied to the cooled device for heat exchange, so that closed reciprocating circulation is performed.
The energy storage 3kW liquid cooling unit further comprises a refrigeration cycle unit, wherein the refrigeration cycle unit comprises a compressor (6), a condenser (7), a drying filter (8), a thermal expansion valve (9), a bypass electromagnetic valve (10) and an axial flow fan (11).
The plate heat exchanger (4), the compressor (6), the condenser (7), the dry filter (8) and the thermal expansion valve (9) are sequentially connected through pipelines to form a refrigeration cycle system.
The inlet of the bypass electromagnetic valve (10) is connected with the outlet of the compressor (6), and the outlet is connected with the inlet of the plate heat exchanger (4).
Meanwhile, the condenser (7) is provided with an axial flow fan (11) to transfer heat to the atmosphere;
the axial flow fan (11) is fixed on the frame system (12) through bolts.
The refrigeration cycle system transfers heat to the refrigerant through the plate heat exchanger (4) by cooling liquid absorbing heat of the energy storage unit, the refrigerant is pushed into the condenser (7) by pressure difference of the compressor (6) after coming out of the plate heat exchanger (4), the refrigerant in the condenser is condensed in a forced air cooling mode, the condensed refrigerant returns to the plate heat exchanger (4) through the drying filter (8) and the thermal expansion valve (9) through a refrigerating system pipeline, and the refrigerant evaporates into gas after absorbing heat of a water side, so that a closed cycle of the whole refrigerating system is formed.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (5)
1. The utility model provides an energy storage 3kW liquid cooling unit, includes frame system, its characterized in that:
the water cooling circulation unit and the refrigeration circulation unit are fixed on the frame system (12) through brackets and bolts; the water cooling circulation unit comprises an electric heater (1), a high-level water tank (2), a main circulation pump (3), a plate heat exchanger (4) and a Y-shaped filter (5) which are sequentially connected through pipelines; the refrigeration cycle unit comprises a compressor (6), a condenser (7), a drying filter (8), a thermal expansion valve (9), a bypass electromagnetic valve (10) and an axial flow fan (11), which are sequentially connected through pipelines.
2. The energy storage 3kW liquid cooling unit of claim 1, wherein:
the high-level water tank (2) is provided with a breather valve at the top.
3. The energy storage 3kW liquid cooling unit of claim 1, wherein:
the inlet of the bypass electromagnetic valve (10) is connected with the outlet of the compressor (6), and the outlet is connected with the inlet of the plate heat exchanger (4).
4. The energy storage 3kW liquid cooling unit of claim 1, wherein:
the axial flow fan (11) is fixed on the frame system (12) through bolts.
5. The energy storage 3kW liquid cooling unit of claim 1, wherein:
the plate heat exchanger (4) performs heat exchange between the water-cooling circulation unit and the refrigeration circulation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320003411.0U CN219350370U (en) | 2023-01-03 | 2023-01-03 | Energy storage 3kW liquid cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320003411.0U CN219350370U (en) | 2023-01-03 | 2023-01-03 | Energy storage 3kW liquid cooling unit |
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| Publication Number | Publication Date |
|---|---|
| CN219350370U true CN219350370U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320003411.0U Active CN219350370U (en) | 2023-01-03 | 2023-01-03 | Energy storage 3kW liquid cooling unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116847640A (en) * | 2023-08-07 | 2023-10-03 | 苏州英维克温控技术有限公司 | Refrigerating apparatus |
| CN118231863A (en) * | 2024-05-20 | 2024-06-21 | 内蒙古久誊电力有限公司 | Cooling system for energy storage battery pack |
-
2023
- 2023-01-03 CN CN202320003411.0U patent/CN219350370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116847640A (en) * | 2023-08-07 | 2023-10-03 | 苏州英维克温控技术有限公司 | Refrigerating apparatus |
| CN118231863A (en) * | 2024-05-20 | 2024-06-21 | 内蒙古久誊电力有限公司 | Cooling system for energy storage battery pack |
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