CN102944079A - Liquid cooling system by utilizing condensation heat and air cooling to adapt to refrigerating capacity - Google Patents
Liquid cooling system by utilizing condensation heat and air cooling to adapt to refrigerating capacity Download PDFInfo
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- CN102944079A CN102944079A CN2012104564593A CN201210456459A CN102944079A CN 102944079 A CN102944079 A CN 102944079A CN 2012104564593 A CN2012104564593 A CN 2012104564593A CN 201210456459 A CN201210456459 A CN 201210456459A CN 102944079 A CN102944079 A CN 102944079A
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Abstract
The invention discloses a liquid cooling system by utilizing condensation heat and air cooling to adapt to the refrigerating capacity, and the liquid cooling system comprises a refrigerating system, an emergency air cooling system and a cooling liquid circulating system; the refrigerating system comprises a compressor, a condenser, an expansion valve and an evaporator, which are sequentially and circularly connected with one another; the emergency air cooling system comprises an emergency air cooling heat exchanger which is connected with a user end; the cooling liquid circulating system comprises a solution tank which is connected with a liquid return outlet of the evaporator, and an outlet of the solution tank and a liquid return inlet of the evaporator are respectively connected with the user end; and the emergency air cooling heat exchanger is arranged on the side part of the condenser, an inlet of the emergency air cooling heat exchanger and the liquid return inlet of the evaporator are connected with the user end through a three-way valve, and an outlet of the emergency air cooling heat exchanger and the liquid return outlet of the evaporator are respectively connected with the inlet of the solution tank. The emergency air cooling heat exchanger and the condenser of the refrigerating system are assembled together in a superimposing way, the emergency air cooling system is operated while the refrigerating system is used for refrigerating, solution inside the emergency air cooling heat exchanger is heated by the condensation heat produced by the condenser through the combination of the structure, and the heated solution finally flows into the solution tank to be used for balancing the redundant refrigerating amount of the refrigerating system, so that the high precision in temperature adjustment of the solution can be realized.
Description
Technical field
The present invention relates to the cooling device field, specifically a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing.
Background technology
The cold of air-conditioning refrigeration system, usually need to can unload compressor by configuration and carry out cold regulation, can unload in the compressor, although being arranged, the helical-lobe compressor of little cold frequency-changeable compressor, larger cold can realize steadily regulating in a big way of cold, but under the more susceptible condition, can only select to only have the single compressor of finite progression, perhaps use the multiple compressors parallel way, realize many grades of unloadings.Above unloading manner can be realized the preliminary adjusting of cold, hour also can realize energy-saving run at the demand cold, thereby usually be used.Yet for the user that some coolings are had relatively high expectations, load variations is violent, temperature fluctuation range requires harshness, refrigeration system still is difficult to satisfy regulates requirement, and after all, the unloading progression of compressor is limited; Then can bring the compressor life-span to reduce greatly if adopt start-stop to regulate, thereby affect the reliability of system; Converter technique can be scrupled electromagnetic interference problem and often can not adopt; And general compressor is not suitable for long-play under lower part load condition, otherwise can bring the especially oil return problem of safety problem of compressor operating, and perhaps system cost is too high.Chinese patent " a kind of self adaptation refrigerating capacity liquid cooling system " (license notification number CN 201476392) mainly adopts between compressor outlet in conventional liquid cooling system refrigeration pipe and evaporator inlet and installs the hot gas bypass valve branch road in parallel with condenser and expansion valve additional, experience the variation of evaporator inlet pressure and automatically open or close to realize the cold adjustment by by-passing valve, theoretical feasible, but the mechanical property in view of hot gas bypass valve, this type systematic is difficult to automatically adapt to the system that significant change often occurs the feed flow temperature requirements, and because the start-stop accommodation property of this valve, degree of regulation is limited, must solve the compressor exhaust temperature that is caused by hot-gas bypass simultaneously and cross the problems such as high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing, this liquid cooling origin system carries out gamut, accurate fine adjustment for needs to the cold size, can realize step-less adjustment, better adapt to the harsh demand in the cold variation.
Technical scheme of the present invention is:
A kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing includes refrigeration system, emergent air cooling system and coolant circulation system; Described refrigeration system comprises compressor, condenser, expansion valve and the evaporimeter that in turn circulation connects, be that compressor outlet is connected with the condenser air inlet, the condenser liquid outlet is connected with the expansion valve import, the expansion valve outlet is connected with the evaporimeter inlet, the evaporimeter gas outlet is connected with compressor inlet, and is provided with back the liquid outlet on the evaporimeter and returns the liquid import; Described emergent air cooling system includes the emergent air cooling heat exchanger that is connected with user side; Described coolant circulation system comprises with evaporimeter and returns the liquor box that liquid outlet is connected, and described evaporimeter returns the liquid import and is connected respectively with liquor box and is connected with user side; Described emergent air cooling heat exchanger is arranged at the sidepiece of condenser, and emergent air cooling heat exchanger import, evaporimeter return the liquid import and be connected with user side by triple valve, and emergent air cooling heat exchanger outlet, evaporimeter return the liquid outlet and be connected with the liquor box import respectively.
Be connected with hot gas bypass valve between the inlet of described compressor outlet and evaporimeter.
Described evaporimeter returns on the connecting line of liquid outlet and liquor box and is provided with flow switch.
Described liquid cooling origin system also includes control system; Described control system includes control and display unit, be arranged at temperature sensor and liquid level sensor in the liquor box, be arranged at high-low pressure protector on compressor inlet and the gas outlet connecting line, be arranged at emergent air cooling heat exchanger outlet and check valve that evaporimeter goes back to the liquid exit, and described flow switch, temperature sensor, liquid level sensor, high-low pressure protector, check valve all are connected with control and display unit.
Described refrigeration system also includes fluid reservoir, device for drying and filtering and the liquid-sighting glass that is connected in turn between condenser and the expansion valve, and is connected in the gas-liquid separator between evaporimeter gas outlet and the compressor inlet; Described condenser liquid outlet be connected liquid feed valve and be connected with the fluid reservoir import respectively, described expansion valve inlet is connected with the liquid-sighting glass outlet.
Connect by solution pump between described liquor box outlet and the user side; Described coolant circulation system also includes the liquid pipe filter, and described liquid pipe filter is arranged at user side and evaporimeter returns between the liquid import, or/and be arranged between user side and the emergent air cooling heat exchanger import, or/and between liquor box outlet and the user side.
Described compressor is selected the compressor bank of many parallel-connection structures, and the air inlet of compressor bank is connected with the evaporimeter gas outlet, and the gas outlet of compressor bank is connected with the condenser air inlet.
Described compressor is selected the unloading compressor or is surely carried compressor.
Advantage of the present invention:
The present invention is existing refrigeration system, again the liquid cooling origin system of emergent air cooling system is arranged, and emergent air cooling heat exchanger directly is stacked together with the refrigeration system condenser usually, and refrigeration system is moved under the hot environment, and emergent air cooling system is not worked; Refrigeration system is not worked under the low temperature environment, and emergent air cooling system utilizes the cold air in the environment to freeze in order to realize energy-conservation; The present invention uses emergent air cooling system in the refrigeration system refrigeration, because the combination of structure, solution in the emergent air cooling heat exchanger device that can be condensed is put thermogenetic condensation heat heating and is heated, solution after being heated finally flows in the liquor box, be used for the unnecessary cold of balanced system cooling system, just can realize that high-precision solution temperature regulates.
The present invention is by the variation of sensing user end load hear rate, in the 0-100% of specified cold scope, automatically regulate actual output refrigerating capacity, feed flow temperature fluctuation value is controlled in the very little scope, simple and reliable for structure, unit operation safety, avoid the frequent start-stop of compressor, improved the reliability of unit.Precision is had relatively high expectations to cooling off, the feed flow temperature requirements changes greatly and the customer charge hear rate changes violent or intermittently used ustomer premises access equipment mainly for some in the present invention, equipment such as the cold liquid temp of the accurate control of high-energy facility, laser equipment, advanced medical equipment and other kinds needs provides reliable liquid cooling apparatus.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
See Fig. 1, a kind of condensation heat of utilizing includes refrigeration system, emergent air cooling system, coolant circulation system and control system with the liquid cooling origin system of self adaptation refrigerating capacity; Refrigeration system comprises the compressor 1 that in turn circulation connects, condenser 2, fluid reservoir 3, device for drying and filtering 4, liquid-sighting glass 5, expansion valve 6, evaporimeter 7 and gas-liquid separator 8, be that compressor 1 gas outlet is connected with condenser 2 air inlets, condenser 2 liquid outlets are connected with fluid reservoir 3 imports, fluid reservoir 3 exports to be connected with liquid-sighting glass by device for drying and filtering 4 successively and is connected with expansion valve 6 imports, expansion valve 6 outlets are connected with evaporimeter 7 inlet 7a, evaporimeter 7 gas outlet 7b are connected with compressor 1 air inlet by gas-liquid separator 8, and be provided with back liquid import 7c on the evaporimeter 7 and return liquid outlet 7d, be connected with hot gas bypass valve 9 between compressor 1 gas outlet and evaporimeter 7 inlets, compressor 1 air inlet connect with its gas outlet and connecting line on be provided with high-low pressure protector 10;
Coolant circulation system comprises that returning liquid with evaporimeter exports the liquor box 11 that 7d is connected, and liquor box 11 outlets are connected with user side 14 imports by liquid pipe filter 12, solution pump 13 successively;
Emergent air cooling system includes the emergent air cooling heat exchanger 15 that is connected with user side, emergent air cooling heat exchanger 15 is arranged at the sidepiece of condenser 2, and emergent air cooling heat exchanger 15 imports, evaporimeter return liquid import 7c and are connected with user side 14 by triple valve 16, emergent air cooling heat exchanger 15 outlets, evaporimeter return liquid outlet 7d and are connected with liquor box 11 imports respectively, and liquor box 11 import departments are provided with flow switch 17;
Control system includes control and display unit 18, be arranged at temperature sensor 19 and liquid level sensor 20 in the liquor box 11, be arranged at high-low pressure protector 10 on compressor 1 air inlet and its gas outlet connecting line, two be arranged at respectively emergent air cooling heat exchanger 15 outlets and check valve 21 that evaporimeter goes back to liquid outlet 7d place, and high-low pressure protector 10, flow switch 17, temperature sensor 19, liquid level sensor 20, check valve 21 all are connected with control and display unit 18.
Use principle of the present invention is:
Under the hot environment, the refrigeration system refrigeration, cold-producing medium enters evaporimeter 7 heat absorptions, simultaneously the solution of user side 14 returns liquid import 7c by evaporimeter and enters evaporimeter 7 and carry out heat release, thereby the solution that returns liquid outlet 7d discharge from evaporimeter is the solution of lower temperature, and the solution of lower temperature enters in the liquor box 11 again and uses in order to user side 14 heat exchange; Under the low temperature environment, emergent air cooling heat exchanger 15 by with environment in Cryogenic air carry out heat exchange, the solution of the lower temperature that then obtains after the heat exchange enters in the liquor box 11 again and uses in order to user side 14 heat exchange; Under the hot environment, in the time of the refrigeration system refrigeration, solution in the emergent air cooling heat exchanger 15 device 2 that can be condensed is put thermogenetic condensation heat heating and is heated, solution after being heated finally flows in the liquor box 11, be used for the unnecessary cold of balanced system cooling system, just can realize that high-precision solution temperature regulates.
Claims (8)
1. one kind is utilized condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity, includes refrigeration system, emergent air cooling system and coolant circulation system; Described refrigeration system comprises compressor, condenser, expansion valve and the evaporimeter that in turn circulation connects, be that compressor outlet is connected with the condenser air inlet, the condenser liquid outlet is connected with the expansion valve import, the expansion valve outlet is connected with the evaporimeter inlet, the evaporimeter gas outlet is connected with compressor inlet, and is provided with back the liquid outlet on the evaporimeter and returns the liquid import; Described emergent air cooling system includes the emergent air cooling heat exchanger that is connected with user side; Described coolant circulation system comprises with evaporimeter and returns the liquor box that liquid outlet is connected, and described evaporimeter returns the liquid import and is connected respectively with liquor box and is connected with user side; It is characterized in that: described emergent air cooling heat exchanger is arranged at the sidepiece of condenser, and emergent air cooling heat exchanger import, evaporimeter return the liquid import and are connected with user side by triple valve, and emergent air cooling heat exchanger outlet, evaporimeter return the liquid outlet and be connected with the liquor box import respectively.
2. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1 is characterized in that: be connected with hot gas bypass valve between the inlet of described compressor outlet and evaporimeter.
3. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1 is characterized in that: described evaporimeter returns on the connecting line of liquid outlet and liquor box and is provided with flow switch.
4. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1, it is characterized in that: described liquid cooling origin system also includes control system; Described control system includes control and display unit, be arranged at temperature sensor and liquid level sensor in the liquor box, be arranged at high-low pressure protector on compressor inlet and the gas outlet connecting line, be arranged at emergent air cooling heat exchanger outlet and check valve that evaporimeter goes back to the liquid exit, and described flow switch, temperature sensor, liquid level sensor, high-low pressure protector, check valve all are connected with control and display unit.
5. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1, it is characterized in that: described refrigeration system also includes fluid reservoir, device for drying and filtering and the liquid-sighting glass that is connected in turn between condenser and the expansion valve, and is connected in the gas-liquid separator between evaporimeter gas outlet and the compressor inlet; Described condenser liquid outlet be connected liquid feed valve and be connected with the fluid reservoir import respectively, described expansion valve inlet is connected with the liquid-sighting glass outlet.
6. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1 is characterized in that: connect by solution pump between described liquor box outlet and the user side; Described coolant circulation system also includes the liquid pipe filter, and described liquid pipe filter is arranged at user side and evaporimeter returns between the liquid import, or/and be arranged between user side and the emergent air cooling heat exchanger import, or/and between liquor box outlet and the user side.
7. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1, it is characterized in that: described compressor is selected the compressor bank of many parallel-connection structures, the air inlet of compressor bank is connected with the evaporimeter gas outlet, and the gas outlet of compressor bank is connected with the condenser air inlet.
8. a kind of condensation heat and air-cooled liquid cooling origin system with the self adaptation refrigerating capacity of utilizing according to claim 1 is characterized in that: described compressor is selected the unloading compressor or is surely carried compressor.
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| CN201210456459.3A CN102944079B (en) | 2012-11-14 | 2012-11-14 | Liquid cooling system by utilizing condensation heat and air cooling to adapt to refrigerating capacity |
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| CN201210456459.3A CN102944079B (en) | 2012-11-14 | 2012-11-14 | Liquid cooling system by utilizing condensation heat and air cooling to adapt to refrigerating capacity |
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| CN102944079B CN102944079B (en) | 2014-09-24 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104296428A (en) * | 2014-10-09 | 2015-01-21 | 合肥天鹅制冷科技有限公司 | Device for regulating energy of vapor compression cycle refrigeration type cold liquid unit |
| CN104534724A (en) * | 2015-01-14 | 2015-04-22 | 合肥天鹅制冷科技有限公司 | Energy-saving type air conditioner in machine room |
| CN104534730A (en) * | 2015-01-14 | 2015-04-22 | 合肥天鹅制冷科技有限公司 | Energy-saving type liquid refrigerating system |
| CN105972855A (en) * | 2016-03-25 | 2016-09-28 | 合肥天鹅制冷科技有限公司 | Cooling liquid system with cold storage function |
| CN108168130A (en) * | 2017-12-26 | 2018-06-15 | 安徽盛美金属科技有限公司 | A kind of air-cooled Cool-water Machine for Industry group of band recuperation of heat |
| CN109323505A (en) * | 2018-08-28 | 2019-02-12 | 中国电子科技集团公司第十六研究所 | A kind of wide scope adjustment type liquid cooling equipment |
| CN111750566A (en) * | 2019-03-27 | 2020-10-09 | 上海微电子装备（集团）股份有限公司 | Temperature control system |
| CN113473802A (en) * | 2021-06-29 | 2021-10-01 | 苏州浪潮智能科技有限公司 | Cooling system of cold plate type server and control method |
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| CN201476392U (en) * | 2009-09-03 | 2010-05-19 | 中国电子科技集团公司第十四研究所 | Self-adaptation refrigerating capacity liquid cooling source system |
| CN202915592U (en) * | 2012-11-14 | 2013-05-01 | 合肥天鹅制冷科技有限公司 | Fluid cold source system using condensing heat and air cooling to self-adapt to refrigerating capacity |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090165474A1 (en) * | 2007-12-28 | 2009-07-02 | Stokely-Van Camp | Hybrid container cooler |
| CN201476392U (en) * | 2009-09-03 | 2010-05-19 | 中国电子科技集团公司第十四研究所 | Self-adaptation refrigerating capacity liquid cooling source system |
| CN202915592U (en) * | 2012-11-14 | 2013-05-01 | 合肥天鹅制冷科技有限公司 | Fluid cold source system using condensing heat and air cooling to self-adapt to refrigerating capacity |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296428A (en) * | 2014-10-09 | 2015-01-21 | 合肥天鹅制冷科技有限公司 | Device for regulating energy of vapor compression cycle refrigeration type cold liquid unit |
| CN104296428B (en) * | 2014-10-09 | 2017-07-14 | 合肥天鹅制冷科技有限公司 | It is a kind of to be used for the device of the cold liquid unit energy adjustment using steam compression cycle refrigeration modes |
| CN104534724A (en) * | 2015-01-14 | 2015-04-22 | 合肥天鹅制冷科技有限公司 | Energy-saving type air conditioner in machine room |
| CN104534730A (en) * | 2015-01-14 | 2015-04-22 | 合肥天鹅制冷科技有限公司 | Energy-saving type liquid refrigerating system |
| CN105972855A (en) * | 2016-03-25 | 2016-09-28 | 合肥天鹅制冷科技有限公司 | Cooling liquid system with cold storage function |
| CN108168130A (en) * | 2017-12-26 | 2018-06-15 | 安徽盛美金属科技有限公司 | A kind of air-cooled Cool-water Machine for Industry group of band recuperation of heat |
| CN109323505A (en) * | 2018-08-28 | 2019-02-12 | 中国电子科技集团公司第十六研究所 | A kind of wide scope adjustment type liquid cooling equipment |
| CN111750566A (en) * | 2019-03-27 | 2020-10-09 | 上海微电子装备（集团）股份有限公司 | Temperature control system |
| CN111750566B (en) * | 2019-03-27 | 2021-08-24 | 上海微电子装备（集团）股份有限公司 | Temperature control system |
| CN113473802A (en) * | 2021-06-29 | 2021-10-01 | 苏州浪潮智能科技有限公司 | Cooling system of cold plate type server and control method |
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| CN102944079B (en) | 2014-09-24 |
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