CN221197591U - Water-cooled chiller for energy storage - Google Patents
Water-cooled chiller for energy storage Download PDFInfo
- Publication number
- CN221197591U CN221197591U CN202322881574.1U CN202322881574U CN221197591U CN 221197591 U CN221197591 U CN 221197591U CN 202322881574 U CN202322881574 U CN 202322881574U CN 221197591 U CN221197591 U CN 221197591U
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- China
- Prior art keywords
- water
- evaporator
- energy storage
- cooling
- cooled condenser
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- 238000004146 energy storage Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 abstract description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013526 supercooled liquid Substances 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model belongs to the field of refrigeration air conditioners, and discloses a water-cooling water chilling unit for energy storage, which comprises a water-cooling condenser, a compressor and an evaporator; the two ends of the compressor are respectively communicated with the water-cooled condenser and the evaporator through connecting pipelines, the water-cooled condenser is communicated with a first liquid inlet and a second liquid outlet, the evaporator is communicated with a second liquid inlet and a second liquid outlet, an external circulating pump is connected between the water-cooled condenser and the first liquid inlet, and an internal circulating pump is connected between the evaporator and the second liquid inlet; an expansion valve is connected between the water-cooled condenser and the evaporator through a connecting pipeline. The water-cooling chiller provided by the utility model occupies a small area inside the container, so that the energy density of the energy storage equipment can be improved; compared with an air-cooled chiller, the condensing side cooling medium is changed into water or glycol from air, so that the specific heat capacity of the medium is increased, the volume of the high-pressure side water system is increased, the condensing temperature can be effectively controlled, and the refrigerating capacity of the chiller is reduced under the working condition of high outdoor environment temperature.
Description
Technical Field
The utility model belongs to the technical field of refrigeration air conditioners, and particularly relates to a water cooling water chilling unit for energy storage.
Background
Energy storage is a key support technology for sustainable energy development, is an important technical route for carbon neutralization and carbon peak, and is a key node for improving the operation efficiency, safety and economy of an electric power system.
Taking electrochemical energy storage as an example, the reliability of an energy storage system is related to the temperature controllability of the charge and discharge of a battery, and the control of the charge and discharge of the battery in a high-efficiency temperature range is a key for guaranteeing the service life of the battery, the safety of the energy storage system and the economical efficiency of the energy storage system.
Therefore, the utility model provides the water-cooling water chilling unit for energy storage, which provides cooling for the heating component of the energy storage system and ensures reliable operation of the heating component.
Through the above analysis, the problems and defects existing in the prior art are as follows: the air-cooled water chilling unit is large in size due to the fact that the air-cooled heat exchanger is large in size due to the fact that the specific heat capacity of air is small, the overall unit occupied area is large, the air-cooled water chilling unit is high in specific heat capacity, the increase amplitude of condensing pressure at high water temperature is lower than that of the air-cooled water chilling unit, the problem that the capacity of an energy storage refrigerating system is reduced at high temperature can be effectively solved, and therefore the temperature of a battery is increased;
Disclosure of utility model
In order to overcome the problems in the related art, the embodiment of the utility model discloses a water cooling water chilling unit for energy storage.
The technical scheme of the utility model is as follows: the water cooling chiller for energy storage comprises a water cooling condenser, a compressor and an evaporator, wherein two ends of the compressor are respectively communicated with the water cooling condenser and the evaporator through connecting pipelines, an external circulating pump is connected between the water cooling condenser and a first liquid inlet, and an internal circulating pump is connected between the evaporator and a second liquid inlet;
An expansion valve is connected between the water-cooled condenser and the evaporator through a connecting pipeline.
Further, the water-cooled condenser is communicated with a first liquid inlet and a first liquid outlet.
Further, the evaporator is communicated with a second liquid inlet and a second liquid outlet.
Further, the compressor and the expansion valve are connected with an electrical control system, and the electrical control system is used for controlling the operation of the compressor and the expansion valve.
Further, the water-cooled condenser and the evaporator are connected with a water tank through a pipeline.
By combining all the technical schemes, the utility model has the advantages and positive effects that: the water cooling chiller provided by the utility model occupies a small area inside the container, and can improve the energy density of the energy storage equipment. Compared with an air-cooled chiller, the condensing side cooling medium is changed from air into water or glycol, the heat exchanger is changed from the air-cooled heat exchanger into water cooling, the specific heat capacity of the medium is increased, the heat exchange coefficient of the heat exchanger is high, the size of the whole chiller is effectively reduced, the volume of a high-pressure side water system is increased, the condensing temperature can be effectively controlled, and the refrigerating capacity of the chiller is reduced under the working condition of high outdoor environment temperature.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure of the utility model as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic diagram of a water chiller for energy storage according to an embodiment of the present utility model;
In the figure: 1. an external circulation pump; 2. a water-cooled condenser; 3. a compressor; 4. an evaporator; 5. an internal circulation pump; 6. an expansion valve; 7. a first liquid inlet; 8. a first liquid outlet; 9. a second liquid inlet; 10. and a second liquid outlet.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
As shown in fig. 1, the water-cooling chiller for energy storage provided by the embodiment of the utility model comprises an external circulation pump 1, a water-cooling condenser 2, a compressor 3, an evaporator 4, an internal circulation pump 5 and an expansion valve 6.
The two ends of the compressor 3 are respectively communicated with the water-cooled condenser 2 and the evaporator 4 through connecting pipelines, the water-cooled condenser 2 is communicated with a first liquid inlet 7 and a first liquid outlet 8, the evaporator 4 is communicated with a second liquid inlet 9 and a second liquid outlet 10, and the water-cooled condenser is characterized in that an outer circulating pump 1 is connected between the water-cooled condenser 2 and the first liquid inlet 7, an inner circulating pump 5 is connected between the evaporator 4 and the second liquid inlet 9, and an expansion valve 6 is connected between the water-cooled condenser 2 and the evaporator 4 through connecting pipelines.
The utility model is a water-cooled water chilling unit, has small occupied area, is more suitable for high temperature conditions, and can effectively suppress capacity reduction of the refrigerating unit caused by the rising of condenser pressure at high temperature. The utility model utilizes a vapor compression refrigeration system to cool a heating component of energy storage equipment in the power electronics industry. When the external circulation pump is used, the external circulation pump 1 drives the condensing side heat exchange medium to enter the water-cooled condenser 2 to absorb the refrigerating heat; meanwhile, the refrigerant of the water-cooled condenser 2 is changed into high-temperature and high-pressure overheated refrigerant after doing work through the compressor 3, and enters the water-cooled condenser to release heat, the supercooled liquid refrigerant which forms high temperature after heat exchange enters the expansion valve 6 to throttle and form low-pressure two-phase refrigerant, and the low-pressure two-phase refrigerant enters the evaporator 4 to absorb heat; the evaporating side secondary refrigerant also enters the evaporator 4 after working by the internal circulating pump 5, and releases heat for the low-temperature low-pressure refrigerant; the whole cycle is repeated, and all devices act together, so that the energy storage system can stably run at constant temperature.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, 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 therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
While the utility model has been described with respect to what is presently considered to be the most practical and preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a water-cooled chiller for energy storage, includes water-cooled condenser (2), compressor (3) and evaporimeter (4), compressor (3) both ends are respectively through connecting line and water-cooled condenser (2) and evaporimeter (4) intercommunication, its characterized in that, be connected with outer circulating pump (1) between water-cooled condenser (2) and first inlet (7), be connected with inner circulating pump (5) between evaporimeter (4) and second inlet (9);
An expansion valve (6) is connected between the water-cooled condenser (2) and the evaporator (4) through a connecting pipeline.
2. The water-cooling water chilling unit for energy storage according to claim 1, wherein the water-cooling condenser (2) is communicated with a first liquid inlet (7) and a first liquid outlet (8).
3. The water-cooled chiller for energy storage according to claim 1 wherein the evaporator (4) is in communication with a second liquid inlet (9) and a second liquid outlet (10).
4. The water cooling and cooling unit for energy storage according to claim 1, wherein the compressor (3) and the expansion valve (6) are connected with an electrical control system for controlling the operation of the compressor (3) and the expansion valve (6).
5. The water-cooled chiller for energy storage according to claim 1 wherein the water-cooled condenser (2) and the evaporator (4) are connected to a water tank by a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322881574.1U CN221197591U (en) | 2023-10-26 | 2023-10-26 | Water-cooled chiller for energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322881574.1U CN221197591U (en) | 2023-10-26 | 2023-10-26 | Water-cooled chiller for energy storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221197591U true CN221197591U (en) | 2024-06-21 |
Family
ID=91519857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322881574.1U Active CN221197591U (en) | 2023-10-26 | 2023-10-26 | Water-cooled chiller for energy storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221197591U (en) |
-
2023
- 2023-10-26 CN CN202322881574.1U patent/CN221197591U/en active Active
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