CN102954631A - Refrigerating system - Google Patents

Refrigerating system Download PDF

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Publication number
CN102954631A
CN102954631A CN2012104862304A CN201210486230A CN102954631A CN 102954631 A CN102954631 A CN 102954631A CN 2012104862304 A CN2012104862304 A CN 2012104862304A CN 201210486230 A CN201210486230 A CN 201210486230A CN 102954631 A CN102954631 A CN 102954631A
Authority
CN
China
Prior art keywords
heat exchanger
outlet
condenser
gas
communicated
Prior art date
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.)
Pending
Application number
CN2012104862304A
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Chinese (zh)
Inventor
庄华虎
刘忠民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Kelon Air Conditioner Co Ltd
Hisense Home Appliances Group Co Ltd
Original Assignee
Guangdong Kelon Air Conditioner Co Ltd
Hisense Kelon Electrical Holdings Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Kelon Air Conditioner Co Ltd, Hisense Kelon Electrical Holdings Co Ltd filed Critical Guangdong Kelon Air Conditioner Co Ltd
Priority to CN2012104862304A priority Critical patent/CN102954631A/en
Publication of CN102954631A publication Critical patent/CN102954631A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a refrigerating system. The refrigerating system comprises a compressor, a condenser, a gas-liquid separator, a first throttling device, an evaporator and a supercooling heat exchanger, wherein the compressor, the condenser, the first throttling device, the gas-liquid separator and the evaporator are sequentially connected together through connecting pipes; the supercooling heat exchanger is also arranged on the outer pipe wall of the connecting pipe connected to an outlet of the condenser; an inlet of the supercooling heat exchanger is communicated with a gas outlet of the gas-liquid separator; and an outlet of the supercooling heat exchanger is communicated with an air inlet of the compressor. The supercooling heat exchanger is arranged on the connecting pipe of the outlet of the condenser and is used for further exchanging heat of a cold medium flowing from the condenser by using a gas cold medium separated by the gas-liquid separator. The two cold media are relatively high in temperature difference, and the cold medium flowing from the condenser can be further supercooled and can achieve higher supercooled degree, so that the ability and the energy efficiency of the cold media are improved. Therefore, a copper pipe and a fin of the heat exchanger can be correspondingly shrunk in volume, energy is saved, and the cost can also be reduced.

Description

A kind of refrigeration system
Technical field
The invention belongs to refrigerating field, be specifically related to a kind ofly can improve the degree of supercooling refrigeration system, belong to the improvement technology of refrigeration system.
Background technology
Be construction " economizing type " society, the energy-conservation concern that more and more is subject to people of air-conditioner, but in the middle of the operation of reality, some refrigerant is in not heat exchange state, and this part energy wastes.If can be taken full advantage of the cold of waste, can more effective raising efficiency, can accomplish more energy-conservation.In refrigeration system, be in two-phase section through the later refrigerant of throttling arrangement, in the heat exchange of evaporimeter, it mainly is the heat exchange of phase transformation potential, variations in temperature is little, so in fact the gaseous coolant after the throttling does not carry out heat exchange in evaporimeter, therefore, the cold of the gaseous coolant after the throttling wastes.
Summary of the invention
The objective of the invention is to provide a kind of for above-mentioned technical problem can take full advantage of refrigerant that gaseous coolant after the throttling and condenser flow out and further carry out heat exchange and increased the refrigerant degree of supercooling, reach energy-conservation refrigeration system.
In order to achieve the above object, the technical scheme that the present invention takes: a kind of refrigeration system, comprise compressor, condenser, first throttle device and evaporimeter, the gas outlet of compressor is communicated with the entrance of condenser, the outlet of condenser is communicated with the entrance of first throttle device, the outlet of first throttle device can be communicated with the entrance of evaporimeter, the outlet of evaporimeter is communicated with the air inlet of compressor, wherein, tube connector between first throttle device and the evaporimeter also is connected with gas-liquid separator, the entrance of gas-liquid separator is communicated with the outlet of first throttle device, the liquid outlet of gas-liquid separator is communicated with the entrance of evaporimeter, the outer tube wall that is connected to the tube connector of condensator outlet also was provided with cold heat exchanger, the entrance of crossing cold heat exchanger is communicated with the gas vent of gas-liquid separator, and the outlet of crossing cold heat exchanger is communicated with the air inlet of compressor.
Get back to compressor and cause liquid hit phenomenon for fear of liquid coolant, the above-mentioned tube connector of crossing between cold heat exchanger and the compressor also is connected with the second throttling arrangement, the entrance of the second throttling arrangement with cross the cold heat exchanger outlet and be communicated with, the outlet of the second throttling arrangement be communicated with the air inlet of compressor.
The above-mentioned cold heat exchanger of crossing contacts with the outer tube wall of the tube connector that is connected to condensator outlet.
The above-mentioned mistake on the outer tube wall of tube connector that cold heat exchanger is sleeved on condensator outlet.
The above-mentioned cold heat exchanger of crossing is helix tube, crosses the two ends that the cold heat exchanger entrance and exit lays respectively at helix tube, and in order to improve heat transfer effect, helix tube is wound on the outer tube wall of tube connector of condensator outlet.
The present invention was provided with cold heat exchanger by the tube connector at condensator outlet, be used for utilizing the gas coolant that goes out through gas-liquid separator separates that the refrigerant that condenser flows out is further carried out heat exchange, because the temperature difference of two strands of refrigerants is larger, the refrigerant that condenser flows out can be further excessively cold, larger degree of supercooling be can reach, thereby ability and the efficiency of refrigerant improved.The present invention has not only avoided the loss of refrigeration capacity of the gaseous coolant after the throttling, arrive energy-conservation, and because after the ability of refrigerant before the throttling and efficiency improved, the copper pipe of heat exchanger and fin can be done corresponding dwindling, thus Cost reduction.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and Examples.
Fig. 1 is refrigerant system configurations schematic diagram of the present invention.
Fig. 2 is the schematic diagram that is installed in tube connector of crossing cold heat exchanger in the embodiment of the invention.
The specific embodiment
Embodiment
The structure of refrigeration system of the present invention such as accompanying drawing 1, shown in 2, comprise compressor 1, condenser 2, cross cold heat exchanger 3, first throttle device 4, gas-liquid separator 5, evaporimeter 6 and the tube connector 8 of carrying for refrigerant, wherein the gas outlet of compressor 1 is communicated with by the entrance of tube connector with condenser 2, the outlet of condenser 2 is communicated with by the entrance of tube connector with first throttle device 4, the outlet of first throttle device 4 is communicated with by the entrance of tube connector with gas-liquid separator 5, the liquid outlet of gas-liquid separator 5 is communicated with by the entrance of tube connector with evaporimeter 6, the outlet of evaporimeter 6 is communicated with the air inlet of compressor 1, cross on the outer tube wall of tube connector that cold heat exchanger 3 is sleeved on condenser 2 outlet, and crossing cold heat exchanger 3 directly contacts with the outer tube wall of the tube connector of condenser 2 outlets, the entrance of crossing cold heat exchanger 3 is communicated with the gas vent of gas-liquid separator 5, and the outlet of crossing cold heat exchanger 3 can be communicated with the air inlet of compressor 1.
Since stream through the gas coolant in the cold heat exchanger 3 with the tube connector of condenser 2 outlets in liquid coolant may have the portion gas refrigerant after carrying out heat exchange and become liquid coolant, get back to compressor and cause liquid hit phenomenon for fear of this part liquid coolant, the above-mentioned tube connector of crossing between cold heat exchanger 3 and the compressor 1 also is connected with the second throttling arrangement 7, the entrance of the second throttling arrangement 7 with cross cold heat exchanger 3 outlets and be communicated with, the outlet of the second throttling arrangement 7 is communicated with air inlet with compressor 1.
In the present embodiment, the above-mentioned cold heat exchanger 3 of crossing be helix tube, crosses the two ends that cold heat exchanger 3 entrance and exits lay respectively at helix tube, and in order to improve heat transfer effect, helix tube is wound on the outer tube wall of the tube connector 8 that condenser 2 exports, as shown in Figure 2.
The operation principle of refrigeration system of the present invention: the arrow points of accompanying drawing 1 represents refrigerant flow direction in refrigeration system, during work, compressor 1 is with the liquid refrigerants of gaseous coolant boil down to HTHP, then be transported to condenser 2 heat radiations, temperature through the liquid refrigerants of outflow after condenser 2 heat radiations significantly lowers, become the liquid refrigerants of normal temperature high voltage, behind the liquid refrigerants process first throttle device 4, because it is large that the space becomes suddenly, pressure diminishes, the partially liq refrigerant is because vaporization becomes gas, it is interior rear separated that the gas-liquid refrigerant enters into gas-liquid separator 5, and liquid refrigerants flows into from the liquid outlet of gas-liquid separator 5 and enters evaporimeter 6 again and become gaseous state by complete vaporization heat absorption, arrives refrigeration, and then the backflow compressor is compressed, finishes circulation; Gas-liquid separator 5 isolated gas coolants entered into cold heat exchanger 3 again from the gas vent outflow of gas-liquid separator 5, because the temperature of the gas coolant of this part is lower than the liquid coolant temperature in the tube connector of condenser 2 outlets, therefore these two strands of refrigerants can carry out heat exchange, the refrigerant that condenser 2 flows out is by further excessively cold, can reach larger degree of supercooling, thereby improved ability and the efficiency of refrigerant, and also got back to finally from crossing refrigerant that cold heat exchanger 3 flows out that compressor 1 is interior to be compressed again.

Claims (5)

1. refrigeration system, comprise compressor (1), condenser (2), first throttle device (4) and evaporimeter (6), the gas outlet of compressor (1) is communicated with the entrance of condenser (2), the outlet of condenser (2) is communicated with the entrance of first throttle device (4), the outlet of first throttle device (4) can be communicated with the entrance of evaporimeter (6), the outlet of evaporimeter (6) is communicated with the air inlet of compressor (1), it is characterized in that, tube connector between described first throttle device (4) and the evaporimeter (6) also is connected with gas-liquid separator (5), the entrance of gas-liquid separator (5) is communicated with the outlet of first throttle device (4), the liquid outlet of gas-liquid separator (5) is communicated with the entrance of evaporimeter (6), the outer tube wall that is connected to the tube connector of condenser (2) outlet also was provided with cold heat exchanger (3), the entrance of crossing cold heat exchanger (3) is communicated with the gas vent of gas-liquid separator (5), and the outlet of crossing cold heat exchanger (3) can be communicated with the air inlet of compressor (1).
2. refrigeration system according to claim 1, it is characterized in that, the described tube connector of crossing between cold heat exchanger (3) and the compressor (1) also is connected with the second throttling arrangement (7), the entrance of the second throttling arrangement (7) with cross cold heat exchanger (3) outlet and be communicated with, the outlet of the second throttling arrangement (7) is communicated with air inlet with compressor (1).
3. according to claim 1 to 2 arbitrary described refrigeration systems, it is characterized in that, the described cold heat exchanger (3) of crossing contacts with the outer tube wall of the tube connector that is connected to condenser (2) outlet.
4. refrigeration system according to claim 3 is characterized in that, the described mistake on the outer tube wall of tube connector that cold heat exchanger (3) is sleeved on condenser (2) outlet.
5. refrigeration system according to claim 4, it is characterized in that, described to cross cold heat exchanger (3) be helix tube, crosses the two ends that cold heat exchanger (3) entrance and exit lays respectively at helix tube, and helix tube is wound on the outer tube wall of the tube connector that condenser (2) exports.
CN2012104862304A 2012-11-26 2012-11-26 Refrigerating system Pending CN102954631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012104862304A CN102954631A (en) 2012-11-26 2012-11-26 Refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012104862304A CN102954631A (en) 2012-11-26 2012-11-26 Refrigerating system

Publications (1)

Publication Number Publication Date
CN102954631A true CN102954631A (en) 2013-03-06

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Family Applications (1)

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CN2012104862304A Pending CN102954631A (en) 2012-11-26 2012-11-26 Refrigerating system

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Country Link
CN (1) CN102954631A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344066A (en) * 2013-07-15 2013-10-09 江苏七政新能源有限公司 Bent tube type cooler
CN105042748A (en) * 2015-08-18 2015-11-11 广东美的暖通设备有限公司 Machine room air conditioner
WO2016095295A1 (en) * 2014-12-19 2016-06-23 海信科龙电器股份有限公司 Air conditioner circulating system and air conditioner
CN105987529A (en) * 2015-01-30 2016-10-05 青岛海尔特种电冰柜有限公司 Refrigerating cycle system and refrigerating equipment
CN106403412A (en) * 2016-10-25 2017-02-15 珠海格力电器股份有限公司 Refrigerant circulatory system and refrigeration equipment
CN106642681A (en) * 2016-12-20 2017-05-10 东莞市车景汽车配件制造有限公司 Air-energy water heater circulation system and operating method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1114167A (en) * 1997-06-23 1999-01-22 Matsushita Electric Ind Co Ltd Air conditioner
US6877552B1 (en) * 2003-10-14 2005-04-12 Komax Systems, Inc Static mixer-heat exchanger
CN101315226A (en) * 2008-06-30 2008-12-03 青岛海信日立空调系统有限公司 Air conditioner circulating system
CN202973677U (en) * 2012-11-26 2013-06-05 海信科龙电器股份有限公司 Refrigerating system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1114167A (en) * 1997-06-23 1999-01-22 Matsushita Electric Ind Co Ltd Air conditioner
US6877552B1 (en) * 2003-10-14 2005-04-12 Komax Systems, Inc Static mixer-heat exchanger
CN101315226A (en) * 2008-06-30 2008-12-03 青岛海信日立空调系统有限公司 Air conditioner circulating system
CN202973677U (en) * 2012-11-26 2013-06-05 海信科龙电器股份有限公司 Refrigerating system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344066A (en) * 2013-07-15 2013-10-09 江苏七政新能源有限公司 Bent tube type cooler
WO2016095295A1 (en) * 2014-12-19 2016-06-23 海信科龙电器股份有限公司 Air conditioner circulating system and air conditioner
CN105987529A (en) * 2015-01-30 2016-10-05 青岛海尔特种电冰柜有限公司 Refrigerating cycle system and refrigerating equipment
CN105042748A (en) * 2015-08-18 2015-11-11 广东美的暖通设备有限公司 Machine room air conditioner
CN105042748B (en) * 2015-08-18 2018-10-16 广东美的暖通设备有限公司 Machine room air conditioner
CN106403412A (en) * 2016-10-25 2017-02-15 珠海格力电器股份有限公司 Refrigerant circulatory system and refrigeration equipment
CN106642681A (en) * 2016-12-20 2017-05-10 东莞市车景汽车配件制造有限公司 Air-energy water heater circulation system and operating method thereof

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Application publication date: 20130306