CN1844803A - Household gas-fired heat pump air conditioner - Google Patents

Household gas-fired heat pump air conditioner Download PDF

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Publication number
CN1844803A
CN1844803A CN 200610039649 CN200610039649A CN1844803A CN 1844803 A CN1844803 A CN 1844803A CN 200610039649 CN200610039649 CN 200610039649 CN 200610039649 A CN200610039649 A CN 200610039649A CN 1844803 A CN1844803 A CN 1844803A
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Prior art keywords
water
heat exchanger
valve
links
inlet
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Application number
CN 200610039649
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Chinese (zh)
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CN100383476C (en
Inventor
蔡亮
张小松
李应林
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Southeast University
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Southeast University
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Priority to CNB200610039649XA priority Critical patent/CN100383476C/en
Publication of CN1844803A publication Critical patent/CN1844803A/en
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Publication of CN100383476C publication Critical patent/CN100383476C/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Abstract

The invention discloses an outdoor gas heat pump air conditioner, which can condition air and supply hot water. Said device is formed by a left heat recycle water cycle system, a smoke-coolant heat exchange system, and a defrost system. Wherein, it comprises a gas engine, a compressor, a four-way valve, an electric expand valve, a gas engine cold water heat exchanger, a smoke heat exchanger, a gas-liquid separator, a flux adjust valve, a stop valve, and a heat exchanger. The invention can realize refrigerating, heating and hot water supply, to improve the energy utilization. In winter, the invention can continuously supply heat when defrosting, and decrease the temperature as the low-limit when heating.

Description

Household gas-fired heat pump air conditioner
Technical field
The present invention relates to a kind of novel household gas-fired heat pump air conditioner that the domestic hot-water can be provided when carrying out air conditioning, belong to the technical field that air regulator is made.
Background technology
Along with the extensive use of refrigeration air-conditioner and the raising of living standards of the people, air-conditioning system energy consumption, indoor air quality and air conditioner surroundings pollution problem have caused the common concern of current social circle.Therefore, proposing energy-saving and environmental protection and comfortable refrigeration air-conditioner method is an urgent demand under the new situation of refrigerating field inherence.For the heat pump air conditioner of routine, when harsh climate, have the heat capacity defect of insufficient, and system adopts the reversion type Defrost method usually, this method makes system energy loss bigger, and system's heat supply instability, influences the comfortableness of air-conditioned room.Apparatus of the present invention had both effectively improved the heat capacity of combustion-gas thermal pump air-conditioning system under severe cold season by adopting new gas engine heat pump system flow process, had solved air-conditioning system can not continue heat supply under the Defrost operation operating mode defective again.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of household gas-fired heat pump air conditioner, by adopting new system's design, improved the heat capacity of combustion-gas thermal pump air-conditioning system under severe cold season, solved air-conditioning system can not continue heat supply under the Defrost operation operating mode defective, simultaneously make full use of the gas engine heat pump system waste heat again, met current energy-saving and environmental protection and comfortable air-conditioning theory.
Technical scheme: household gas-fired heat pump air conditioner provided by the invention, this installs mainly by gas engine, shaft joint, compressor, gas-liquid separator, cross valve, the 1st triple valve, the 2nd triple valve, the 1st magnetic valve, the 2nd magnetic valve, flue gas-refrigerant heat exchanger, stop valve, flue gas-water-to-water heat exchanger, heat exchanger, the 1st pump, the 2nd pump, the 1st flow control valve, the 2nd flow control valve, the 3rd flow control valve, the 4th flow control valve, water-refrigerant heat exchanger, outdoor finned heat exchanger, attemperater, electric expansion valve, device such as indoor finned heat exchanger is formed.
This device is by the waste heat recovery water passage circulation system, flue gas and cold-producing medium heat-exchange system, defrost system is formed, wherein: in the waste heat recovery water passage circulation system: heat exchanger water out end links to each other with flue gas-water-to-water heat exchanger water inlet end, flue gas-water-to-water heat exchanger water out is divided into two-way, one the tunnel links to each other with the inlet side of the 2nd flow control valve, the end that goes out of the 2nd flow control valve links to each other with outdoor finned heat exchanger water inlet end, the inlet side of another Lu Yudi 3 flow control valves of flue gas-water-to-water heat exchanger water out links to each other, the end that goes out of the 3rd flow control valve links to each other with water-refrigerant heat exchanger water inlet, and water-refrigerant heat exchanger water out end links to each other with attemperater water inlet end; Attemperater water out end is divided into two-way, one the tunnel links to each other with the 4th flow control valve, another road and outdoor finned heat exchanger water out end are merged into one the tunnel and link to each other with the inlet side of the 2nd pump, and the end that goes out of the 2nd pump is merged into one the tunnel with the 1st flow control valve port of export, communicates with heat exchanger water inlet end; In flue gas and the cold-producing medium heat-exchange system: the waste gas that engine is discharged is divided into two-way, be that waste gas that engine is discharged goes out end and links to each other with stop valve with flue gas-refrigerant heat exchanger smoke inlet respectively, the end that goes out of flue gas-refrigerant heat exchanger exhanst gas outlet and stop valve synthesizes one the tunnel, links to each other with flue gas-water-to-water heat exchanger smoke inlet; The 3rd of cross valve goes out end and links to each other with the 2nd triple valve first end, second end of the 2nd triple valve links to each other with flue gas-refrigerant heat exchanger refrigerant inlet, flue gas-cryogen heat exchanger refrigerant outlet links to each other with the 1st magnetic valve inlet side, and go out end and the 3rd end of the 2nd triple valve of the 1st magnetic valve synthesize one the tunnel and communicate with the indoor unit;
In the defrost system: the end that goes out of the 3rd flow control valve communicates with water-refrigerant heat exchanger water inlet end, and water-refrigerant heat exchanger water out end links to each other with attemperater water inlet end; The 1st triple valve first end communicates with the indoor electric expansion valve, second end of the 1st triple valve links to each other with water-refrigerant heat exchanger refrigerant inlet, water-refrigerant heat exchanger refrigerant outlet links to each other with the inlet side of the 2nd magnetic valve, the 3rd end that goes out end and the 1st triple valve of the 2nd magnetic valve synthesizes one the tunnel, communicates with outdoor finned heat exchanger.
The present invention can also provide the domestic hot-water in refrigeration, heat supply.By adopting new gas engine heat pump system flow process, improve the heat capacity of combustion-gas thermal pump air-conditioning system under severe cold season, guarantee that air-conditioning system can continue heat supply under the Defrost operation operating mode.
Beneficial effect: the invention has the beneficial effects as follows:
1. apparatus of the present invention adopt new system flow, have improved utilization rate of waste heat effectively, have realized the efficient utilization of system's waste heat.
2. overcome the drawback of conventional heat pump reversion type defrosting, can guarantee automatic defrosting under the prerequisite that unit continues to heat, embodied energy-conservation air-conditioning theory.
3. apparatus of the present invention can provide hot water simultaneously under the pattern of heat supply or refrigeration, are a kind of heat pump air conditioners of Mobyneb.
4. apparatus of the present invention can keep heat capacity preferably under abominable cold snap, compare with the electric air-conditioning of routine, and heat capacity is stronger, and adaptive capacity to environment is better.
Description of drawings
Fig. 1 is a schematic flow sheet of the present invention.Gas engine 1, shaft joint 2, compressor 3, gas-liquid separator 4, cross valve 5, the 1st triple valve 6, the 2nd triple valve 7, the 1st magnetic valve 8, the 2nd magnetic valve 18, flue gas-refrigerant heat exchanger 9, stop valve 10, flue gas-water-to-water heat exchanger 11, heat exchanger 12, the 1st pump 13, the 2nd pump 21, the 1st flow control valve 14, the 2nd flow control valve 15, the 3rd flow control valve 16, the 4th flow control valve 17, water-refrigerant heat exchanger 19, outdoor finned heat exchanger 20, attemperater 22, electric expansion valve 23, indoor finned heat exchanger 24.
Fig. 2 is the refrigeration mode flow chart of apparatus of the present invention.
Fig. 3 is the heating mode flow chart of apparatus of the present invention.
Fig. 4 is the defrosting operating condition flow chart of apparatus of the present invention.
The specific embodiment
The present invention is a kind of novel family formula heat pump air conditioner, and this device is divided into indoor units and outdoor unit, mainly is made up of refrigeration system and residual neat recovering system.
Refrigeration system: gas engine links to each other by shaft joint with compressor, compressor exhaust pipe and and four-way
The inlet side A pipeline of valve is connected, first of cross valve goes out to hold outer finned heat exchanger one end of B piping chamber to link to each other, second of cross valve goes out to hold C pipeline and gas-liquid separator one termination to lead to, the other end of gas-liquid separator and the air entry of compressor are connected, the 3rd of cross valve goes out to hold D to link to each other with the 2nd triple valve one end, the 2nd triple valve second end links to each other with the heat exchanger refrigerant inlet, the heat exchanger refrigerant outlet links to each other with the 1st magnetic valve one end, and an other end of the 1st magnetic valve and the 3rd end of the 2nd triple valve synthetic one tunnel communicate with indoor finned heat exchanger one end.The indoor finned heat exchanger other end communicates with electric expansion valve one end, the electric expansion valve other end links to each other with an end of the 1st triple valve, the 1st triple valve second end links to each other with the heat exchanger refrigerant inlet, the heat exchanger refrigerant outlet links to each other with the 2nd magnetic valve one end, the other end of the 2nd magnetic valve and the 1st triple valve the 3rd end synthesize one the tunnel, link to each other with the outdoor finned heat exchanger other end.
Residual neat recovering system is divided into water circulation system, smoke evacuation heat-exchange system and cylinder sleeve of engine cooling system.Water circulation system: heat exchanger water out end links to each other with heat exchanger water inlet end, and the heat exchanger water out is divided into two-way, and one the tunnel links to each other with the 2nd flow control valve one end, and the other end of the 2nd flow control valve links to each other with outdoor finned heat exchanger water inlet end; Another Lu Yudi 3 flow control valves one end links to each other, and the other end of the 3rd flow control valve links to each other with the heat exchanger water inlet, and heat exchanger water out end links to each other with attemperater water inlet end.Attemperater water out end is divided into two-way, and one the tunnel links to each other with the 4th flow control valve; Another road and outdoor finned heat exchanger water out end with and Cheng Yilu link to each other with the 2nd pump, an other end and the 1st flow control valve port of export of the 2nd pump are merged into one the tunnel, communicate with heat exchanger water inlet end.
The smoke evacuation heat-exchange system: the waste gas that engine is discharged is divided into two-way, and one the tunnel communicates with the heat exchanger smoke inlet, and another road links to each other with stop valve, and an other end of heat exchanger exhanst gas outlet and stop valve synthesizes one the tunnel, links to each other with the heat exchanger smoke inlet.
The cylinder sleeve of engine cooling system: the engine coolant port of export links to each other with heat exchanger coolant entrance end, and heat exchanger coolant outlet end links to each other with the 1st pump one end, and the other end of the 1st pump links to each other with the engine coolant inlet.
Defrost system: the end that goes out of the 3rd flow control valve communicates with heat exchanger water inlet end, and heat exchanger water out end links to each other with attemperater water inlet end; The 1st triple valve first end communicates with the indoor electric expansion valve, second end of the 1st triple valve links to each other with the heat exchanger refrigerant inlet, the heat exchanger refrigerant outlet links to each other with the inlet side of the 2nd magnetic valve, the 3rd end that goes out end and the 1st triple valve of the 2nd magnetic valve synthesizes one the tunnel, communicates with outdoor finned heat exchanger.
This device can be done following heat supply or refrigeration mode operation:
When 1, system's refrigeration mode moves, as shown in Figure 2.This moment, stop valve was opened, the 1st flow-control opening of valves, closed electromagnetic valve, the two ends of the 1st triple valve communicate with indoor electric expansion valve and outdoor finned heat exchanger respectively, the two ends of the 2nd triple valve go out to hold D and indoor units to communicate with cross valve the 3rd respectively, the inlet side A of cross valve and first goes out to hold B logical, and second goes out to hold C and the 3rd to go out to hold D logical.The 3rd flow control valve is in opening, and the 2nd flow control valve is in full closing state, and system produces hot water; When hot water is excessive in the attemperater, close the 3rd flow control valve, open the 2nd flow control valve, circulating hot water is admitted to outdoor radiator heat-dissipation.
When 2, system's heating mode moves, the 1st flow-control opening of valves, stop valve is closed, the 1st magnetic valve is opened, the two ends of the 2nd triple valve go out to hold D and heat exchanger to communicate with cross valve the 3rd respectively, and the inlet side A of cross valve and the 3rd goes out to hold D logical, and first goes out to hold B and second to go out to hold C logical.
When 1) system heats normal operation, as shown in Figure 3.Close the 2nd flow control valve, open the 3rd flow control valve, the 2nd magnetic valve is opened, and the two ends of the 1st triple valve communicate with indoor electric expansion valve and heat exchanger respectively;
2) during system's Defrost operation operating mode, shown in figure four.Close flow control valve, the 3rd flow control valve is in full-gear, and the 2nd magnetic valve is opened, and the two ends of the 1st triple valve communicate with indoor electric expansion valve and heat exchanger respectively.

Claims (1)

1. household gas-fired heat pump air conditioner, it is characterized in that this device is by the waste heat recovery water passage circulation system, flue gas and cold-producing medium heat-exchange system, defrost system is formed, wherein: in the waste heat recovery water passage circulation system: heat exchanger (12) water out end links to each other with gas-water heat exchanger (11) water inlet end, gas-water heat exchanger (11) water out is divided into two-way, one the tunnel links to each other with the inlet side of the 2nd flow control valve (15), the end that goes out of the 2nd flow control valve (15) links to each other with outdoor finned heat exchanger (20) water inlet end, the inlet side of another Lu Yudi 3 flow control valves (16) of gas-water heat exchanger (11) water out links to each other, the end that goes out of the 3rd flow control valve (16) links to each other with water-refrigerant heat exchanger (19) water inlet, and water-refrigerant heat exchanger (19) water out end links to each other with attemperater (22) water inlet end; Attemperater (22) water out end is divided into two-way, one the tunnel links to each other with the 4th flow control valve (17), another road and outdoor finned heat exchanger (20) water out end are merged into one the tunnel and link to each other with the inlet side of the 2nd pump (21), the end that goes out of the 2nd pump (21) is merged into one the tunnel with the 1st flow control valve (14) port of export, communicates with heat exchanger (12) water inlet end; In flue gas and the cold-producing medium heat-exchange system: the waste gas that engine is discharged is divided into two-way, be that waste gas that engine is discharged goes out end and links to each other mutually with stop valve (10) with flue gas-refrigerant heat exchanger (9) smoke inlet respectively, the end that goes out of flue gas-refrigerant heat exchanger (9) exhanst gas outlet and stop valve (10) synthesizes one the tunnel, links to each other with gas-water heat exchanger (11) smoke inlet; The 3rd of cross valve (5) goes out end (D) and links to each other with the 2nd triple valve (7) first ends, second end of the 2nd triple valve (7) links to each other with flue gas-refrigerant heat exchanger (9) refrigerant inlet, flue gas-refrigerant heat exchanger (9) refrigerant outlet links to each other with the 1st magnetic valve (8) inlet side, and go out end and the 3rd end of the 2nd triple valve (7) of the 1st magnetic valve (8) synthesize one the tunnel and communicate with the indoor unit; In the defrost system: the end that goes out of the 3rd flow control valve (16) communicates with water-refrigerant heat exchanger (19) water inlet end, and water-refrigerant heat exchanger (19) water out end links to each other with attemperater (22) water inlet end; The 1st triple valve (6) first ends communicate with indoor electric expansion valve (23), second end of the 1st triple valve (6) links to each other with water-refrigerant heat exchanger (19) refrigerant inlet, water-refrigerant heat exchanger (19) refrigerant outlet links to each other with the inlet side of the 2nd magnetic valve (18), the 3rd end that goes out end and the 1st triple valve (6) of the 2nd magnetic valve (18) synthesizes one the tunnel, communicates with outdoor finned heat exchanger (20).
CNB200610039649XA 2006-04-19 2006-04-19 Household gas-fired heat pump air conditioner Expired - Fee Related CN100383476C (en)

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Application Number Priority Date Filing Date Title
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CN1844803A true CN1844803A (en) 2006-10-11
CN100383476C CN100383476C (en) 2008-04-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563970A (en) * 2012-02-24 2012-07-11 东南大学 Alternating-current and gas engine parallel dual-drive heat pump device
CN103277853A (en) * 2013-05-23 2013-09-04 杭州江鸣机械技术有限公司 Outer circulation gas energy heating air conditioner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001221531A (en) * 2000-02-04 2001-08-17 Mitsubishi Heavy Ind Ltd Air conditioner
JP2003035467A (en) * 2001-07-24 2003-02-07 Sanyo Electric Co Ltd Engine cooling equipment
JP5030344B2 (en) * 2001-08-31 2012-09-19 三菱重工業株式会社 Gas heat pump type air conditioner, engine cooling water heating device, and operation method of gas heat pump type air conditioner
CN100487342C (en) * 2004-05-27 2009-05-13 上海交通大学 Air-cooled hot pumping hot air cold water set driven by gas engine
CN1260535C (en) * 2004-12-03 2006-06-21 南京大学 Small gas air conditioner with air cooling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563970A (en) * 2012-02-24 2012-07-11 东南大学 Alternating-current and gas engine parallel dual-drive heat pump device
CN103277853A (en) * 2013-05-23 2013-09-04 杭州江鸣机械技术有限公司 Outer circulation gas energy heating air conditioner
CN103277853B (en) * 2013-05-23 2017-07-28 赵亮 A kind of outer circulation combustion gas energy heating air conditioner

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