CN101424452B - Multifunctional heat pump water heating machine easy for defrosting - Google Patents

Multifunctional heat pump water heating machine easy for defrosting Download PDF

Info

Publication number
CN101424452B
CN101424452B CN 200810244306 CN200810244306A CN101424452B CN 101424452 B CN101424452 B CN 101424452B CN 200810244306 CN200810244306 CN 200810244306 CN 200810244306 A CN200810244306 A CN 200810244306A CN 101424452 B CN101424452 B CN 101424452B
Authority
CN
China
Prior art keywords
valve
heat exchanger
port
refrigeration compressor
magnetic valve
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.)
Active
Application number
CN 200810244306
Other languages
Chinese (zh)
Other versions
CN101424452A (en
Inventor
史敏
张秀平
钟瑜
钟根仔
岳海兵
程立权
任金禄
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.)
Hefei General Environment Control Technology Co., Ltd.
Original Assignee
Hefei General Environment Control Technology Co Ltd
Hefei General Machinery Research Institute 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 Hefei General Environment Control Technology Co Ltd, Hefei General Machinery Research Institute Co Ltd filed Critical Hefei General Environment Control Technology Co Ltd
Priority to CN 200810244306 priority Critical patent/CN101424452B/en
Publication of CN101424452A publication Critical patent/CN101424452A/en
Application granted granted Critical
Publication of CN101424452B publication Critical patent/CN101424452B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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]
    • Y02B30/12Hot water central heating systems using heat pumps

Abstract

The invention relates to an easy-defrosting multifunctional heat pump water heater and solves a problem that a single air source and water source heat pump has to have both cooling and heating applications and meet different heat needs of all the year around and a frosting problem. The water heater comprises a refrigeration compressor, a fin-type air-cooled heat exchanger with a fan, and double-pipe heat exchangers A and B. An inlet side of the refrigeration compressor is serially connected with a gas-liquid separator. An outlet side of the refrigeration compressor is serially connected with a four-way valve A, a four-way valve B and the fin-type air-cooled heat exchanger with the fan and then forms a circulation loop through a one-way valve, a liquid vessel, a filter drier, level glasses, a three-way pipe and a four-way pipe. The device realizes four separated circulation systems, and can well realize full cooling and heating and supply heat meeting needs through different heat sources. The device has four functions of cooling, heating, making domestic hot water, and cooling and making domestic hot water. A process designed for the device can reasonably and reliably remove frost during operation in winter.

Description

The multifunctional heat pump water heating machine that is easy to defrost
Technical field
The present invention relates to a kind of hot water machine, exactly is multifunctional heat pump water heating machine.
Background technology
Heat pump has tangible energy-saving benefit in domestic hot-water and heating are provided.Heat pump is a kind of refrigeration machine of reverse utilization, and it has only utilized condenser heat in the kind of refrigeration cycle, and the cold that refrigeration machine only utilizes evaporimeter to produce.If can utilize the heat of heat pump simultaneously in the condenser discharging, the cold that can utilize evaporimeter to produce again, heat pump just can obtain double approximately Energy Efficiency Ratio.But the demand of cold and the demand of heat are unmatched in annual Various Seasonal, and summer, refrigeration requirement was big and heat demand is few, and spring and autumn, the sky situation was opposite, and only needed heat winter, and this situation is also because of southern and northern different variant.The single-cycle heat pump in present single wind-heat source and single hydro-thermal source is difficult to accomplish to take into account cold and hot coupling, can satisfy throughout the year the different demands to heat again.On the other hand, well-known, when source pump was moved in the winter time, main problem was exactly frosting; The frosting meeting reduces unit performance, influences heating capacity.The existence of frosting problem has had a strong impact on the northerly promotion and application of this power-saving technology of heat pump.
Summary of the invention
Cold and hot coupling should be taken into account in order to solve the single-cycle heat pump in single wind-heat source and single hydro-thermal source, problem can be satisfied throughout the year again the different demands of heat, and the frosting problem, the invention provides a kind of multifunctional heat pump water heating machine that is easy to defrost.
Structural design scheme of the present invention is as follows:
The multifunctional heat pump water heating machine that is easy to defrost comprises finned air cooling heat exchanger 20 and double pipe heat exchanger A3, the double pipe heat exchanger B4 of refrigeration compressor 1, band blower fan;
The inlet side of described refrigeration compressor 1 gas-liquid separator 2 of connecting, the outlet side of the refrigeration compressor 1 cross valve A22 that connecting, second port of cross valve A22 is being communicated with cross valve B21, the 3rd port of cross valve A22 is being communicated with the import of gas-liquid separator 2, and the 4th port of cross valve A22 is being communicated with the import of double pipe heat exchanger B4;
Second port of cross valve B21 is being communicated with the finned air cooling heat exchanger 20 with blower fan, and the 3rd port of cross valve B21 is being communicated with the import of gas-liquid separator 2, and the 4th port of cross valve B21 is communicated with the import of double pipe heat exchanger A3;
The other end of the finned air cooling heat exchanger 20 of band blower fan is provided with three-way pipe, second port of three-way pipe is provided with check valve C19, the opposite side of check valve C19 is being communicated with reservoir 15, device for drying and filtering 14 and liquid-sighting glass 12 by pipeline, and the 3rd port of three-way pipe is being communicated with by pipeline and heats heating power expansion valve 18 and magnetic valve C17;
The other end of double pipe heat exchanger B4 is provided with three-way pipe, second port of three-way pipe is provided with check valve B11, the opposite side of check valve B11 is being communicated with reservoir 15 entrance points by pipeline, and the 3rd port of three-way pipe is being communicated with refrigeration heating power expansion valve 9 and magnetic valve B10 by pipeline; The inlet side of double pipe heat exchanger B4 is arranged air conditioner cold-heat water out 6, and its outlet side is arranged air conditioner cold-heat water inlet 7;
The other end of double pipe heat exchanger A3 is provided with three-way pipe, and second port of three-way pipe is provided with check valve A16, and the opposite side of check valve A16 is being communicated with reservoir 15 entrance points by pipeline, and the 3rd port of three-way pipe is being communicated with magnetic valve A13 by pipeline; The other end of magnetic valve A13 is provided with four-way pipe, and second port of four-way pipe connects the another port of liquid-sighting glass 12, and the 3rd port of four-way pipe connects the another port of magnetic valve C17, and the 4th port of four-way pipe connects the another port of magnetic valve B10; Double pipe heat exchanger A3; The inlet side of double pipe heat exchanger A3 arranges that the domestic hot-water exports 5, and its outlet side is arranged domestic hot-water's import 8.
The present invention can realize with the air being thermal source, only makes air conditioner cold water, i.e. refrigeration; With the air is thermal source, only makes air conditioning hot, promptly heats; With the air is thermal source, only makes the domestic hot-water; Four kinds of functions of refrigeration time system domestic hot-water; It is multi-functional to be that the present invention has.
When moving in the winter time, there are 2 requirementss of process to defrost, the one, only make domestic hot-water's flow process, the 2nd, only make the air conditioning hot flow process.The defrosting of these two kinds of functions all is directly to be passed in the finned heat exchange of frosting by the high-temperature high-pressure refrigerant steam that utilizes the refrigeration compressor exhaust to defrost, because phase transformation is arranged, has very high latent heat, and defrosting speed is very fast, can guarantee that also defrosting thoroughly.It is a kind of very effective Defrost method.
The present invention compares with solar water heater: 1. energy saving is suitable substantially, the energy-saving effect in air-conditioning area commonly used is better than solar water heater in south, its reason is that novel heat pump just can freely obtain hot water when overcast and rainy use air-conditioning, and solar water heater will use the auxiliary electrical heating; 2. floor space is little, and skyscraper uses the solar water heater area not enough; 3. water timeliness is flexible, can produce hot water at any time, and solar water heater need arrive usefulness at dusk, and is passive.
The present invention with single have heat the hold concurrently heat pump of refrigerating function of water and compare, the present invention can supply and the cold supply by autobalance hot water, after satisfying, hot water can freeze separately, satisfy and hot water can heat water separately when not enough at cold air, and singlely have that to heat the hold concurrently heat pump of refrigerating function of water be retrained by least load, cold is much of that just can not heat production water, and hot water is much of that can not to freeze again.Still can obtain an amount of cold supply when therefore heat pump of the present invention provides hot water after big hotel central air conditioning stops, making the dining room in hotel, public place of entertainment still have air-conditioning.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described by embodiment.
Embodiment:
Referring to Fig. 1, the multifunctional heat pump water heating machine that is easy to defrost comprises finned air cooling heat exchanger 20 and double pipe heat exchanger A3, the double pipe heat exchanger B4 of refrigeration compressor 1, band blower fan;
The inlet side of described refrigeration compressor 1 gas-liquid separator 2 of connecting, the outlet side of the refrigeration compressor 1 cross valve A22 that connecting, second port of cross valve A22 is being communicated with cross valve B21, the 3rd port of cross valve A22 is being communicated with the import of gas-liquid separator 2, and the 4th port of cross valve A22 is being communicated with the import of double pipe heat exchanger B4;
Second port of cross valve B21 is being communicated with the finned air cooling heat exchanger 20 with blower fan, and the 3rd port of cross valve B21 is being communicated with the import of gas-liquid separator 2, and the 4th port of cross valve B21 is communicated with the hot water inlet of double pipe heat exchanger A3;
The other end of the finned air cooling heat exchanger 20 of band blower fan is provided with three-way pipe, second port of three-way pipe is provided with check valve C19, the opposite side of check valve C19 is being communicated with reservoir 15, device for drying and filtering 14 and liquid-sighting glass 12 by pipeline, and the 3rd port of three-way pipe is being communicated with by pipeline and heats heating power expansion valve 18 and magnetic valve C17;
The other end of double pipe heat exchanger B4 is provided with three-way pipe, second port of three-way pipe is provided with check valve B11, the opposite side of check valve B11 is being communicated with reservoir 15 entrance points by pipeline, and the 3rd port of three-way pipe is being communicated with refrigeration heating power expansion valve 9 and magnetic valve B10 by pipeline; The inlet side of double pipe heat exchanger B4 is arranged air conditioner cold-heat water out 6, and its outlet side is arranged air conditioner cold-heat water inlet 7;
The other end of double pipe heat exchanger A3 is provided with three-way pipe, and second port of three-way pipe is provided with check valve A16, and the opposite side of check valve A16 is being communicated with reservoir 15 entrance points by pipeline, and the 3rd port of three-way pipe is being communicated with magnetic valve A13 by pipeline; The other end of magnetic valve A13 is provided with four-way pipe, and second port of four-way pipe connects the another port of liquid-sighting glass 12, and the 3rd port of four-way pipe connects the another port of magnetic valve C17, and the 4th port of four-way pipe connects the another port of magnetic valve B10; The inlet side of double pipe heat exchanger A3 arranges that the domestic hot-water exports 5, and its outlet side is arranged domestic hot-water's import 8.
With the air is thermal source, and when only making air conditioner cold water (during refrigeration), system flow is as follows:
Refrigerant side (cold-producing medium circulation route): finned air cooling heat exchanger 20 → check valve C19 → reservoir 15 → device for drying and filtering 14 → liquid-sighting glass 12 → magnetic valve B10 → refrigeration heating power expansion valve 9 → double pipe heat exchanger B4 → cross valve A22 the 4th port → gas-liquid separator 2 → refrigeration compressor 1 (during this flow process, magnetic valve A13 and magnetic valve C17 close) of refrigeration compressor 1 → cross valve A22 → cross valve B21 → band blower fan.
With the air is thermal source, and when only making air conditioning hot (when heating), system flow is as follows:
Refrigerant side (cold-producing medium circulation route): refrigeration compressor 1 → cross valve A22 → double pipe heat exchanger B4 → check valve B11 → reservoir 15 → device for drying and filtering 14 → liquid-sighting glass 12 → magnetic valve C17 → heat finned air cooling heat exchanger 20 → cross valve B21 → gas-liquid separator 2 → refrigeration compressor 1 (during this flow process, magnetic valve A13 and magnetic valve B10 close) of heating power expansion valve 18 → band blower fan.
With the air is thermal source, and when only making the domestic hot-water, system flow is as follows:
Refrigerant side (cold-producing medium circulation route): refrigeration compressor 1 → cross valve A22 → cross valve B21 → double-tube heat exchanger A3 → check valve A16 → reservoir 15 → device for drying and filtering 14 → liquid-sighting glass 12 → magnetic valve C17 → heat finned air cooling heat exchanger 20 → cross valve B21 → gas-liquid separator 2 → refrigeration compressor 1 (during this flow process, magnetic valve A13 and magnetic valve B10 close) of heating power expansion valve 18 → band blower fan.
When making domestic hot-water's while and making air conditioner cold water, system flow is as follows:
Refrigerant side (cold-producing medium circulation route): refrigeration compressor 1 → cross valve A22 → cross valve B21 → double pipe heat exchanger A3 → check valve A16 → reservoir 15 → device for drying and filtering 14 → liquid-sighting glass 12 → magnetic valve B10 → refrigeration heating power expansion valve 9 → double pipe heat exchanger B4 → cross valve A22 → gas-liquid separator 2 → refrigeration compressor 1.(during this flow process, magnetic valve A13 and magnetic valve C17 close).
Defrosting flow process when only heating water function is as follows:
The circulation route of the high-temperature high-pressure refrigerant steam of refrigeration compressor exhaust: finned air cooling heat exchanger 20 → check valve C19 → reservoir 15 → device for drying and filtering 14 → liquid-sighting glass 12 → magnetic valve A13 → double-tube heat exchanger A3 → cross valve B21 → gas-liquid separator 2 → refrigeration compressor 1 (during this flow process, magnetic valve C17 and magnetic valve B10 close) of refrigeration compressor 1 → cross valve A22 → cross valve B21 → band blower fan.
Defrosting flow process when only making the air conditioning hot function is as follows:
The circulation route of the high-temperature high-pressure refrigerant steam of refrigeration compressor exhaust: finned air cooling heat exchanger 20 → check valve C19 → reservoir 15 → device for drying and filtering 14 → liquid-sighting glass 12 → magnetic valve B10 of refrigeration compressor 1 → cross valve A22 → cross valve B21 → band blower fan → refrigeration heating power expansion valve 9 → double pipe heat exchanger B 4 → cross valve A22 → gas-liquid separator 2 → refrigeration compressor 1 (during this flow process, magnetic valve C17 and magnetic valve A13 close).
The defrosting of these two kinds of functions all is directly to be passed in the finned heat exchange of frosting by the high-temperature high-pressure refrigerant steam that utilizes the refrigeration compressor exhaust to defrost, because phase transformation is arranged, has very high latent heat, defrosting speed is very fast, can guarantee that also defrosting thoroughly, is a kind of very effective Defrost method.

Claims (1)

1. be easy to the multifunctional heat pump water heating machine that defrosts, comprise finned air cooling heat exchanger (20) and double pipe heat exchanger A (3), the double pipe heat exchanger B (4) of refrigeration compressor (1), band blower fan, it is characterized in that:
The inlet side of described refrigeration compressor (1) gas-liquid separator (2) of connecting, the outlet side of refrigeration compressor (1) the cross valve A (22) that connecting, second port of cross valve A (22) is being communicated with cross valve B (21), the 3rd port of cross valve A (22) is being communicated with the import of gas-liquid separator (2), and the 4th port of cross valve A (22) is being communicated with the import of double pipe heat exchanger B (4);
Second port of cross valve B (21) is being communicated with the finned air cooling heat exchanger (20) with blower fan, the 3rd port of cross valve B (21) is being communicated with the import of gas-liquid separator (2), and the 4th port of cross valve B (21) is communicated with the hot water inlet of double pipe heat exchanger A (3);
The other end of the finned air cooling heat exchanger (20) of band blower fan is provided with three-way pipe, second port of three-way pipe is provided with check valve C (19), the opposite side of check valve C (19) is being communicated with reservoir (15), device for drying and filtering (14) and liquid-sighting glass (12) by pipeline, and the 3rd port of three-way pipe is being communicated with by pipeline and heats heating power expansion valve (18) and magnetic valve C (17);
The other end of double pipe heat exchanger B (4) is provided with three-way pipe, second port of three-way pipe is provided with check valve B (11), the opposite side of check valve B (11) is being communicated with reservoir (15) entrance point by pipeline, and the 3rd port of three-way pipe is being communicated with refrigeration heating power expansion valve (9) and magnetic valve B (10) by pipeline; The inlet side of double pipe heat exchanger B (4) is arranged air conditioner cold-heat water out (6), and its outlet side is arranged air conditioner cold-heat water inlet (7);
The other end of double pipe heat exchanger A (3) is provided with three-way pipe, second port of three-way pipe is provided with check valve A (16), the opposite side of check valve A (16) is being communicated with reservoir (15) entrance point by pipeline, and the 3rd port of three-way pipe is being communicated with magnetic valve A (13) by pipeline; The other end of magnetic valve A (13) is provided with four-way pipe, second port of four-way pipe connects the another port of liquid-sighting glass (12), the 3rd port of four-way pipe connects the another port of magnetic valve C (17), and the 4th port of four-way pipe connects the another port of magnetic valve B (10); Double pipe heat exchanger A (3); The inlet side of double pipe heat exchanger A (3) is for arranging domestic hot-water's outlet (5), and its outlet side is for arranging domestic hot-water's import (8);
With the air is thermal source, and when only making air conditioner cold water, system flow is as follows:
Refrigerant side: finned air cooling heat exchanger (20) → check valve C (19) → reservoir (15) → device for drying and filtering (14) → liquid-sighting glass (12) → magnetic valve B (10) → refrigeration heating power expansion valve (9) → double pipe heat exchanger B (4) → cross valve A (22) the 4th port → gas-liquid separator (the 2) → refrigeration compressor (1) of refrigeration compressor (1) → cross valve A (22) → cross valve B (21) → band blower fan; During this flow process, magnetic valve A (13) and magnetic valve C (17) close;
With the air is thermal source, and when only making air conditioning hot, system flow is as follows:
Refrigerant side: refrigeration compressor (1) → cross valve A (22) → double pipe heat exchanger B (4) → check valve B (11) → reservoir (15) → device for drying and filtering (14) → liquid-sighting glass (12) → magnetic valve C (17) → heat finned air cooling heat exchanger (20) → cross valve B (21) → gas-liquid separator (the 2) → refrigeration compressor (1) of heating power expansion valve (18) → band blower fan, during this flow process, magnetic valve A (13) and magnetic valve B (10) close;
With the air is thermal source, and when only making the domestic hot-water, system flow is as follows:
Refrigerant side: refrigeration compressor (1) → cross valve A (22) → cross valve B (21) → double-tube heat exchanger A (3) → check valve A (16) → reservoir (15) → device for drying and filtering (14) → liquid-sighting glass (12) → magnetic valve C (17) → heat finned air cooling heat exchanger (20) → cross valve B (21) → gas-liquid separator (the 2) → refrigeration compressor (1) of heating power expansion valve (18) → band blower fan; During this flow process, magnetic valve A (13) and magnetic valve B (10) close;
When making domestic hot-water's while and making air conditioner cold water, system flow is as follows:
Refrigerant side: refrigeration compressor (1) → cross valve A (22) → cross valve B (21) → double pipe heat exchanger A (3) → check valve A (16) → reservoir (15) → device for drying and filtering (14) → liquid-sighting glass (12) → magnetic valve B (10) → refrigeration heating power expansion valve (9) → double pipe heat exchanger B (4) → cross valve A (22) → gas-liquid separator (2) → refrigeration compressor (1); During this flow process, magnetic valve A (13) and magnetic valve C (17) close;
Defrosting flow process when only heating water function is as follows:
The circulation route of the high-temperature high-pressure refrigerant steam of refrigeration compressor exhaust: finned air cooling heat exchanger (20) → check valve C (19) → reservoir (15) → device for drying and filtering (14) → liquid-sighting glass (12) → magnetic valve A (13) → double-tube heat exchanger A (3) → cross valve B (21) → gas-liquid separator (the 2) → refrigeration compressor (1) of refrigeration compressor (1) → cross valve A (22) → cross valve B (21) → band blower fan; During this flow process, magnetic valve C (17) and magnetic valve B (10) close;
Defrosting flow process when only making the air conditioning hot function is as follows:
The circulation route of the high-temperature high-pressure refrigerant steam of refrigeration compressor exhaust: finned air cooling heat exchanger (20) → check valve C (19) → reservoir (15) → device for drying and filtering (14) → liquid-sighting glass (12) → magnetic valve B (10) → refrigeration heating power expansion valve (9) → double pipe heat exchanger B (4) → cross valve A (22) → gas-liquid separator (the 2) → refrigeration compressor (1) of refrigeration compressor (1) → cross valve A (22) → cross valve B (21) → band blower fan; During this flow process, magnetic valve C (17) and magnetic valve A (13) close.
CN 200810244306 2008-11-21 2008-11-21 Multifunctional heat pump water heating machine easy for defrosting Active CN101424452B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810244306 CN101424452B (en) 2008-11-21 2008-11-21 Multifunctional heat pump water heating machine easy for defrosting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810244306 CN101424452B (en) 2008-11-21 2008-11-21 Multifunctional heat pump water heating machine easy for defrosting

Publications (2)

Publication Number Publication Date
CN101424452A CN101424452A (en) 2009-05-06
CN101424452B true CN101424452B (en) 2010-07-07

Family

ID=40615228

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200810244306 Active CN101424452B (en) 2008-11-21 2008-11-21 Multifunctional heat pump water heating machine easy for defrosting

Country Status (1)

Country Link
CN (1) CN101424452B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798214B (en) * 2012-07-27 2015-04-08 太原理工大学 Air source heat pump water heater unit with phase change heat accumulation
CN106322558B (en) * 2016-09-09 2019-12-10 广东美的暖通设备有限公司 Multi-split air conditioner system, outdoor unit of multi-split air conditioner system, and defrosting control method and device
CN112923616B (en) * 2021-01-30 2021-11-23 清华大学 Air source CO for preventing evaporator from frosting by using heat of heat regenerator2Heat pump system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2854441Y (en) * 2005-12-05 2007-01-03 江阴市利港美林太阳能热水器厂 Air conditioner using air source heat pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2854441Y (en) * 2005-12-05 2007-01-03 江阴市利港美林太阳能热水器厂 Air conditioner using air source heat pump

Also Published As

Publication number Publication date
CN101424452A (en) 2009-05-06

Similar Documents

Publication Publication Date Title
CN100451492C (en) Integrated air-conditioning system of solar-assisted soil source CO2 trans-critical heat pump
CN101464058B (en) Large energy accumulation type air source heat pump hot water units
CN102645055B (en) Adaptively-matched solar auxiliary air source heat pump device
CN101788206A (en) Outdoor double heat exchanger defrosting low-temperature heating system
CN101813401B (en) Energy-saving air-conditioning/hot water triple-supply system
CN202002391U (en) Water heater unit with spray liquid enthalpy-increasing heat pump
CN101900457A (en) Shower, heating and air conditioning complex system device for producing hot water by using solar energy, air source and low power
CN103712367B (en) Solar air source heat pumps air conditioning system
CN101140122A (en) Heat pump machine group of combined throttling set
CN201363859Y (en) Air conditioning unit
CN201680650U (en) Multifunctional solar heat pump unit
CN102183104B (en) Indirect-expanding solar assisted multifunctional heat pump system
CN202675732U (en) Self-adaptation matching solar auxiliary air source heat pump device
CN101424452B (en) Multifunctional heat pump water heating machine easy for defrosting
CN102759193B (en) Air source heat pump system
CN201318831Y (en) Multi-functional heat pump water heater capable of easily defrosting
CN101806515A (en) High-efficiency hot water tri-generation system for solar air conditioner
CN103307805B (en) Trigeneration heat pump system
CN201100796Y (en) Thermal pump unit of combined flow saving device
CN102767921A (en) Double-way pre-cooling efficient heat pump device and control method thereof
CN202853106U (en) Air energy water heater
CN110160178A (en) Heat pump air conditioning system based on natural energy resources
CN201828089U (en) Special water source heat pump triple-supply unit for household capillary network tail end
CN105509363B (en) High-efficiency cleaning multiple-energy-source comprehensively utilizes cold-hot combined supply system
CN201259350Y (en) Heating and cooling air conditioner and sanitary hot water integrated modular refrigerating unit

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20140319

Address after: High tech Zone Hefei city Anhui province 230094 Xisi Road No. 9 (electromechanical Industrial Park)

Patentee after: Hefei General Environment Control Technology Co., Ltd.

Address before: 230031 Hefei Changjiang Road, Anhui, No. 888

Patentee before: Hefei Universal Machinery Inst.

Patentee before: Hefei General Environment Control Technology Co., Ltd.

ASS Succession or assignment of patent right

Owner name: HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY CO.,

Free format text: FORMER OWNER: HEFEI UNIVERSAL MACHINERY INST.

Effective date: 20140319

Free format text: FORMER OWNER: HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY CO., LTD.

Effective date: 20140319

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 230031 HEFEI, ANHUI PROVINCE TO: 230094 HEFEI, ANHUI PROVINCE