CN108061396B - Cold storage device and water cooling system - Google Patents
Cold storage device and water cooling system Download PDFInfo
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- CN108061396B CN108061396B CN201711026326.1A CN201711026326A CN108061396B CN 108061396 B CN108061396 B CN 108061396B CN 201711026326 A CN201711026326 A CN 201711026326A CN 108061396 B CN108061396 B CN 108061396B
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- water
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- supercooled
- crystallizer
- cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a cold storage device, comprising: a water tank for containing supercooled water; the first circulation loop comprises a first water pump and a crystallizer, wherein the first water pump is used for sucking the supercooled water in the water tank, the crystallizer is used for crystallizing the supercooled water sucked by the first water pump into ice particles, and the supercooled water flows back to the water tank after the ice particles are formed in the crystallizer and forms an ice-water mixture with the supercooled water in the water tank; a refrigeration loop for absorbing heat from subcooled water in the first circulation loop prior to entering the crystallizer. The water tank in the water cooling system provided by the invention is filled with the ice-water mixture for cooling and sucking cooling water, so that the water tank can be designed to be smaller, and the space occupied by water of the water cooling system is reduced.
Description
Technical Field
The invention relates to a cold accumulation device and a water cooling system.
Background
With the rapid development of industrial equipment, some high-energy equipment working for a short time is increasingly widely used. For example, some high-energy laser devices have instantaneous powers of up to several hundred kilowatts, operating times of only ten minutes or even several minutes, and intervals of up to 30 minutes or more.
In order to provide mobility to the high-energy equipment, the high-energy equipment is usually mounted on a mobile device, such as a high-energy vehicle-mounted laser device. When this high energy equipment is installed on mobile device, it is small to require high energy equipment volume usually, and occupation space is little, and high energy equipment is huge because of calorific capacity for its refrigerated cooling system needs to occupy very big space, and the biggest water tank that is used for holding cooling water among this cooling system, this water tank need abundant water just can satisfy the heat dissipation requirement (because the specific heat capacity of water is certain, make can only through increasing its flow when absorbing more heats, this must increase the container that holds it, like the volume of water tank).
Disclosure of Invention
In view of the above technical problems in the prior art, embodiments of the present invention provide a cold storage device.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
a cold storage device comprising:
a water tank for containing supercooled water;
the first circulation loop comprises a first water pump and a crystallizer, wherein the first water pump is used for sucking the supercooled water in the water tank, the crystallizer is used for crystallizing the supercooled water sucked by the first water pump into ice particles, and the supercooled water flows back to the water tank after the ice particles are formed in the crystallizer and forms an ice-water mixture with the supercooled water in the water tank;
a refrigeration loop for absorbing heat from subcooled water in the first circulation loop prior to entering the crystallizer.
Preferably, an ice stopper is provided in the water tank to prevent ice particles in the water tank from entering the first water pump.
Preferably, the water tank is further provided with a stirrer, and the stirrer is used for uniformly mixing the supercooled water and the ice particles in the water tank.
Preferably, the refrigeration circuit includes a compressor, a condenser and an evaporator, the evaporator absorbs heat of the supercooled water in the first circulation circuit before entering the crystallizer through the refrigerant, the condenser is used for cooling the refrigerant, and the compressor is used for compressing the refrigerant and delivering the refrigerant to the evaporator.
The invention also discloses a water cooling system, comprising:
a water tank formed with a first cavity for holding supercooled water and a second cavity for holding cooling water;
the first circulation loop comprises a first water pump and a crystallizer, the first water pump is used for sucking the supercooled water in the first accommodating cavity, the crystallizer is used for crystallizing the supercooled water sucked by the first water pump into ice particles, and the supercooled water flows back to the first accommodating cavity after the ice particles are formed in the crystallizer and forms an ice-water mixture with the supercooled water in the first accommodating cavity;
a refrigeration loop for absorbing heat from subcooled water in the first circulation loop prior to entering the crystallizer;
the second circulation loop comprises a second water pump, the second water pump is used for sucking the cooling water in the second cavity, so that the cooling water passes through the heat generating component to cool the heat generating component, and the cooling water flowing through the heat generating component flows back to the second cavity; wherein:
and a circulating channel is established between the first accommodating cavity and the second accommodating cavity so as to lead the supercooled water in the first accommodating cavity and the cooling water in the second accommodating cavity to carry out circulating heat exchange.
Preferably, a branch is formed on the first circulation loop, the branch leads to the second cavity, a flow control valve is arranged on the branch, the flow control valve is used for controlling the flow rate of the supercooled water in the first circulation loop entering the second cavity, and communication holes are formed in the bottom of the first cavity and the bottom of the second cavity.
Preferably, an ice stopper is arranged in the first cavity and used for preventing ice particles in the first cavity from entering the first water pump.
Preferably, a stirrer is further arranged in the first accommodating cavity and used for uniformly mixing the supercooled water and the ice particles in the first accommodating cavity.
Preferably, the refrigeration circuit includes a compressor, a condenser and an evaporator, the evaporator absorbs heat of the supercooled water in the first circulation circuit before entering the crystallizer through the refrigerant, the condenser is used for cooling the refrigerant, and the compressor is used for compressing the refrigerant and delivering the refrigerant to the evaporator.
Compared with the prior art, the cold accumulation device provided by the embodiment of the invention has the beneficial effects that: the water tank in the water cooling system provided by the invention is filled with the ice-water mixture for cooling and sucking cooling water, so that the water tank can be designed to be smaller, and the space occupied by water of the water cooling system is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a water cooling system according to an embodiment of the present invention.
In the figure:
1-a compressor; 2-a condenser; 3-a throttle valve; 4-an evaporator; 5-a first water pump; 6-flow control valve; 7-a second water pump; 8-a second cavity; 9-an ice stopper; 10-a first cavity; 11-a stirrer; 12-a crystallizer; 13-branch; 100-a first circulation loop; 200-a second circulation loop; 300-a refrigeration circuit; 400-heat generating component.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention discloses a cold storage device for cooling water in a water cooling system, but is not limited thereto, and the cold storage device includes: a water tank, a first circulation circuit 100, and a refrigeration circuit 300. The water tank is used for containing supercooled water; the first circulation loop 100 comprises a first water pump 5 for sucking the supercooled water in the water tank and a crystallizer 12 for crystallizing the supercooled water sucked by the first water pump 5 into ice particles, wherein the supercooled water flows back to the water tank after the supercooled water forms the ice particles through the crystallizer 12 and forms an ice-water mixture with the supercooled water in the water tank; the refrigeration circuit 300 is used to absorb heat from the subcooled water in the first recycle loop 100 prior to entering the crystallizer 12. Preferably, an ice stopper 9 is provided in the water tank, and the ice stopper 9 is used for preventing ice particles in the water tank from entering the first water pump 5. Preferably, the water tank is further provided with a stirrer 11, and the stirrer 11 is used for uniformly mixing the supercooled water and the ice particles in the water tank. Preferably, the refrigeration circuit 300 includes a compressor 1, a condenser 2, a throttle valve 3, and an evaporator 4, the evaporator 4 absorbing heat of the supercooled water in the first circulation circuit 100 before entering the crystallizer 12 by the refrigerant, the condenser 2 cooling the refrigerant, the compressor 1 compressing the refrigerant and delivering the refrigerant to the evaporator 4.
The embodiment of the invention also discloses a water cooling system, which comprises: a water tank, a first circulation circuit 100, a refrigeration circuit 300, and a second circulation circuit 200. The water tank is provided with a first containing cavity 10 for containing supercooled water and a second containing cavity 8 for containing cooled water; the first circulation loop 100 comprises a first water pump 5 for sucking the supercooled water in the first accommodating cavity 10 and a crystallizer 12 for crystallizing the supercooled water sucked by the first water pump 5 into ice particles, and the supercooled water flows back to the first accommodating cavity 10 after the supercooled water is formed into the ice particles by the crystallizer 12 and forms an ice-water mixture with the supercooled water in the first accommodating cavity 10; the refrigeration circuit 300 is used for absorbing heat of the supercooled water in the first circulation circuit 100 before entering the crystallizer 12; the second circulation circuit 200 includes a second water pump 7, the second water pump 7 is configured to suck the cooling water in the second cavity 8, so that the cooling water passes through the heat generating component 400 to cool the heat generating component 400, and the cooling water passing through the heat generating component 400 flows back to the second cavity 8; wherein: a circulation passage is established between the first cavity 10 and the second cavity 8, so that the supercooled water in the first cavity 10 and the cooling water in the second cavity 8 exchange heat in a circulating manner.
It should be noted that: supercooled water is water that does not solidify even when the temperature is as low as the freezing point (0 ℃). The supercooled water according to the present invention is water that does not solidify at the freezing point because of lack of condensation nuclei in the water.
As can be seen from the above description, the supercooled water passes through the crystallizer 12, the crystallizer 12 provides a condensation nucleus for the supercooled water, so that the water becomes ice particles, and an ice-water mixture at a freezing point is formed in the first cavity 10 in the water tank, at the freezing point, the amount of heat absorbed by the ice to become water is much greater than the amount of heat absorbed by water above the freezing point per 1 ℃ rise, that is, if the same amount of heat needs to be absorbed, the volume or mass required by the ice-water mixture is much smaller than the volume or mass required by water above the freezing point, so that the water tank of the present invention is much smaller than the water tank in the prior art which absorbs heat by water above the freezing point.
Another key of the present invention is: the invention utilizes the supercooled water to crystallize and form ice particles, and the ice particles formed by the supercooled water only need to spray condensation nuclei to the supercooled water through the crystallizer 12, so that the process of forming the ice particles is simple.
In the present invention, the ice-water mixture in the first receiving chamber 10 serves to absorb heat of the cooling water in the second receiving chamber 8 so that the cooling water can always be maintained at a temperature at which the heat-generating component 400 can be cooled. The function of the ice-water mixture in the first chamber 10 is: and absorbing the temperature of the cooling water after heat exchange so as to keep the cooling water at a constant temperature at which cooling can be carried out again.
The invention adopts a mode of directly mixing the supercooled water and the cooling water to absorb the heat of the cooling water, specifically, a branch 13 is formed on the first circulation loop 100, the branch 13 leads to the second containing cavity 8, a flow control valve 6 is arranged on the branch 13, the flow control valve 6 is used for controlling the flow of the supercooled water in the first circulation loop 100 entering the second containing cavity 8, and communication holes are formed at the bottom of the first containing cavity 10 and the bottom of the second containing cavity 8. Thus, the cooling water and the supercooled water form a circulation loop, so that the cooling water and the supercooled water are mixed.
Preferably, an ice stopper 9 is disposed in the first receiving chamber 10, and the ice stopper 9 is used for preventing ice particles in the first receiving chamber 10 from entering the first water pump 5.
Preferably, an agitator 11 is further disposed in the first receiving chamber 10, and the agitator 11 is used for uniformly mixing the supercooled water in the first receiving chamber 10 with the ice particles.
Preferably, the refrigeration circuit 300 includes a compressor 1, a condenser 2, and an evaporator 4, the evaporator 4 absorbing heat of the supercooled water in the first circulation circuit 100 before entering the crystallizer 12 by the refrigerant, the condenser 2 cooling the refrigerant, and the compressor 1 compressing the refrigerant and delivering the refrigerant to the evaporator 4.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (4)
1. A water cooling system, comprising:
a water tank formed with a first cavity for holding supercooled water and a second cavity for holding cooling water;
the first circulation loop comprises a first water pump and a crystallizer, the first water pump is used for sucking the supercooled water in the first accommodating cavity, the crystallizer is used for crystallizing the supercooled water sucked by the first water pump into ice particles, and the supercooled water flows back to the first accommodating cavity after the ice particles are formed in the crystallizer and forms an ice-water mixture with the supercooled water in the first accommodating cavity;
a refrigeration loop for absorbing heat from subcooled water in the first circulation loop prior to entering the crystallizer;
a second circulation loop including a second water pump for sucking the cooling water in the second cavity so that the cooling water passes through the heat generating component to cool the heat generating component, and the cooling water flowing through the heat generating component flows back to the second cavity; wherein:
the branch is formed on the first circulation loop and leads to the second containing cavity, a flow control valve is arranged on the branch and used for controlling the flow of the supercooled water in the first circulation loop into the second containing cavity, and a communicating hole is formed in the bottom of the first containing cavity and the bottom of the second containing cavity, so that a circulation channel is established between the first containing cavity and the second containing cavity, and the supercooled water in the first containing cavity and the cooling water in the second containing cavity are subjected to circulation heat exchange in a direct mixing mode.
2. The water cooling system according to claim 1, wherein an ice stopper is disposed in the first cavity and is configured to prevent ice particles in the first cavity from entering the first water pump.
3. The water cooling system according to any one of claims 1-2, wherein an agitator is further disposed in the first cavity, and the agitator is configured to uniformly mix the supercooled water and the ice particles in the first cavity.
4. The water cooling system of claim 3, wherein the refrigeration circuit comprises a compressor, a condenser and an evaporator, the evaporator absorbs heat from the subcooled water in the first circulation circuit before entering the crystallizer through the refrigerant, the condenser is used for cooling the refrigerant, and the compressor is used for compressing the refrigerant and delivering the refrigerant to the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026326.1A CN108061396B (en) | 2017-10-27 | 2017-10-27 | Cold storage device and water cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026326.1A CN108061396B (en) | 2017-10-27 | 2017-10-27 | Cold storage device and water cooling system |
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| Publication Number | Publication Date |
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| CN108061396A CN108061396A (en) | 2018-05-22 |
| CN108061396B true CN108061396B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711026326.1A Active CN108061396B (en) | 2017-10-27 | 2017-10-27 | Cold storage device and water cooling system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198173A (en) * | 1993-12-29 | 1995-08-01 | Toshiba Corp | Ice storage apparatus |
| JPH1047822A (en) * | 1996-08-01 | 1998-02-20 | Daikin Ind Ltd | Ice heat storage device |
| CN101922830A (en) * | 2010-08-05 | 2010-12-22 | 华中科技大学 | Supercooled liquid ice slurry continuous preparation device |
| CN102721246A (en) * | 2012-06-04 | 2012-10-10 | 中国电子科技集团公司第十一研究所 | Cold-storage circulating fluid cooling device |
| CN103353196A (en) * | 2013-07-02 | 2013-10-16 | 天津大学 | System for eliminating ice block of supercooled water ice-making apparatus by using heat of condensation |
| CN105135776A (en) * | 2015-09-21 | 2015-12-09 | 中南大学 | Method for preventing ice-slurry preparing device adopting super-cooling method from generating ice blockage and device thereof |
-
2017
- 2017-10-27 CN CN201711026326.1A patent/CN108061396B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198173A (en) * | 1993-12-29 | 1995-08-01 | Toshiba Corp | Ice storage apparatus |
| JPH1047822A (en) * | 1996-08-01 | 1998-02-20 | Daikin Ind Ltd | Ice heat storage device |
| CN101922830A (en) * | 2010-08-05 | 2010-12-22 | 华中科技大学 | Supercooled liquid ice slurry continuous preparation device |
| CN102721246A (en) * | 2012-06-04 | 2012-10-10 | 中国电子科技集团公司第十一研究所 | Cold-storage circulating fluid cooling device |
| CN103353196A (en) * | 2013-07-02 | 2013-10-16 | 天津大学 | System for eliminating ice block of supercooled water ice-making apparatus by using heat of condensation |
| CN105135776A (en) * | 2015-09-21 | 2015-12-09 | 中南大学 | Method for preventing ice-slurry preparing device adopting super-cooling method from generating ice blockage and device thereof |
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| Publication number | Publication date |
|---|---|
| CN108061396A (en) | 2018-05-22 |
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