CN201377934Y - Six-in-one air-cooled heat pump unit - Google Patents
Six-in-one air-cooled heat pump unit Download PDFInfo
- Publication number
- CN201377934Y CN201377934Y CN200920023589U CN200920023589U CN201377934Y CN 201377934 Y CN201377934 Y CN 201377934Y CN 200920023589 U CN200920023589 U CN 200920023589U CN 200920023589 U CN200920023589 U CN 200920023589U CN 201377934 Y CN201377934 Y CN 201377934Y
- Authority
- CN
- China
- Prior art keywords
- magnetic valve
- valve
- water
- side heat
- air
- 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.)
- Expired - Lifetime
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model belongs to the technical field of refrigeration and air conditioning equipment, in particular to a six-in-one air-cooled heat pump unit with multiple functions such as refrigeration, heating, and domestic water heating. Both a water side heat exchanger and a wind side heat exchanger can serve as condensers or evaporators; a heat regenerator can serve as a condenser or a partial heat regenerator; six functions of the air-cooled heat pump unit can be formed by combining a four-way valve, an electromagnetic valve, and one-way valves; and the six functions are 1, independent refrigeration; 2, refrigeration and total heat recovery; 3, refrigeration and partial heat recovery; 4, independent domestic water heating; 5, heating; and 6, heating and partial heat recovery. The utility model has the advantages that hot water total heat recovery during the refrigeration of the heat pump unit is realized; the heating of water is zero cost; hot water can be produced at all seasons; the problem that water can not be heated when the use side of an air conditioner is not in use is solved; and heating and hot water producing can be distributed during heating.
Description
Technical field
The utility model belongs to a kind of Refrigeration ﹠ Air-Conditioning equipment technical field, especially freezes, heats, domestic hot-water's multifunctional six-in-one air-cooling heat pump unit.
Background technology
At present, known Air-Cooled Heat Pump Unit is to have only refrigeration, heat two functions basically; Air-Cooled Heat Pump Unit portion of hot recovery unit has refrigeration, heats and a small amount of domestic hot-water; Air-cooled hot water unit can only be produced hot water.
The Air-Cooled Heat Pump Unit that have only refrigeration, heats two functions can not productive life heat, and especially the heat that air-conditioning is produced when refrigeration wastes, and causes a large amount of energy wastes.
The cold and hot pump assembly of portion of hot return air can only reclaim little heat, and the especially most of waste of the heat that air-conditioning is produced when refrigeration also causes a large amount of energy wastes; The cold and hot pump assembly of portion of hot return air can not be produced hot water at transition season (when not needing air conditioner cold water hot) simultaneously, can not satisfy the requirement that general domestic hot-water all needs throughout the year.
Air-cooled hot water unit can satisfy provides the domestic hot-water throughout the year, but can not produce cold, and the cold that summer air-conditioning produced wastes, and causes a large amount of energy wastes.
Summary of the invention
The purpose of this utility model is to provide a kind of six-in-one air-cooling heat pump unit, can realize refrigeration, refrigeration+whole recuperation of heat, refrigeration+portion of hot recovery, independent domestic hot water, heat, heats+the portion of hot recovery, can realize a tractor serves several purposes.
The utility model is realized by following measure:
The utility model discloses a kind of six-in-one air-cooling heat pump unit, it comprises: compressor, first magnetic valve, heat regenerator, cross valve, second magnetic valve, first check valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, condensation fan, air side heat exchanger, vapour liquid separator, the 6th magnetic valve, second check valve, water-side heat, the 3rd check valve, first throttle cutoff device, the second throttling cutoff device, reservoir, the 4th check valve; Compressor exhaust pipe is divided into the first via blast pipe and No. the second blast pipe; Four interfaces of cross valve link to each other with No. the second blast pipe, the steam pipe that is connected with air side heat exchanger, the steam pipe that is connected with water-side heat, the steam inlet pipe that is connected with vapour liquid separator respectively; First via blast pipe links to each other with the heat regenerator steam inlet pipe through first magnetic valve; In parallel one tunnel second magnetic valve and first check valve between cross valve steam pipe and the air side heat exchanger steam pipe; In parallel one tunnel the 6th magnetic valve and second check valve between cross valve steam pipe and the water-side heat steam pipe; The outlet of heat regenerator is connected with the import of the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, the outlet of the 3rd magnetic valve is connected with the water-side heat steam pipe, the outlet of the 4th magnetic valve is connected with the air side heat exchanger steam pipe, and the 5th electromagnetic valve outlet is connected with pipe between the 3rd check valve, the 4th check valve; The reservoir outlet is connected with the pipe of first throttle cutoff device, the second throttling cutoff device; The outlet of air side heat exchanger is connected with the import of water-side heat with the first throttle cutoff device through the second throttling cutoff device; Pipe is connected between the import of the 3rd check valve and water-side heat and the first throttle cutoff device; The import of the 4th check valve and air side heat exchanger are connected with pipe between the second throttling cutoff device; The outlet of vapour liquid separator is connected with the import of compressor.
Six-in-one air-cooling heat pump unit of the present utility model, the described first throttle cutoff device and the second throttling cutoff device are that magnetic valve adds that heating power expansion valve, magnetic valve add capillary, magnetic valve adds orifice plate flow controller or electric expansion valve.
Six-in-one air-cooling heat pump unit of the present utility model, all condensable device of water-side heat and air side heat exchanger or evaporimeter, heat is returned device can make condenser and portion of hot recover usefulness, be aided with cross valve and magnetic valve, unidirectional combining, can form the Air-Cooled Heat Pump Unit of six kinds of functions, function has: 1, separate refrigeration: evaporimeter is made in the heat exchange of water side, and condenser is made in the heat exchange of wind side; 2, refrigeration+all recuperations of heat: water-side heat is made evaporimeter, and heat is returned device and made condenser; 3, refrigeration+portion of hot reclaims: evaporimeter is made in the heat exchange of water side, and heat is returned device and returned device as portion of hot, and air side heat exchanger is made condenser; 4, independent domestic hot water: air side heat exchanger evaporates, and heat is returned device and made condenser; 5, heat: water-side heat is done condensation, air side heat exchanger evaporates; 6, heat+the portion of hot recovery: condenser is made in the heat exchange of water side, and air side heat exchanger is made evaporimeter, and heat regenerator is made portion of hot and reclaimed.Have unit and produce and realize the full recuperation of heat of hot water when cold, hot water quantity of heat production zero cost, but can be throughout the year all the heat production hydrolysis air-conditioning of having determined use the side problem that time spent can not heat production water, realize heating when heating with the heat production water yield and can distributing.
The beneficial effects of the utility model are, can realize multi-functional machine, realize when freeze summer that net quantity of heat reclaims, and the comparable ordinary hot pump assembly of the comprehensive Energy Efficiency Ratio of unit doubles above; Domestic hot-water's temperature is convertible into refrigeration+portion of hot recovery after reaching certain setting value, it is advantageous that: if after full recuperation of heat water temperature reaches uniform temperature, because the very fast decline of Energy Efficiency Ratio of the raising of condensation temperature unit this moment, be converted to refrigeration+portion of hot take-back model this moment, heat is returned device and is returned device as portion of hot, air side heat exchanger is as condenser, the condensation temperature of unit descends, heat is returned the sensible heat that device also can be recycled to condensation portion, reach and improved the hot temperature of life, also reduced the worker and consumed two purposes, its efficiency is far above the ordinary hot pump assembly; Excessively can adopt the independent domestic hot water pattern that the domestic hot-water can be provided this moment during season (not needing air conditioner cold water hot water), it is advantageous that: unit is building ring temperature height with this understanding, air side heat exchanger is as evaporimeter, the evaporating temperature height, the unit eer height can reduce the energy consumption expense with coal-fired, the stove comparison of combustion gas whirlpool; Winter, can be in fact whole domestic hot-waters, domestic hot-water's temperature reaches one and regularly is convertible into and heats+the portion of hot take-back model, it is advantageous that: if after full recuperation of heat water temperature reaches uniform temperature, because the very fast decline of Energy Efficiency Ratio of the raising of condensation temperature unit this moment, be converted to and heat+the portion of hot take-back model this moment, heat is returned device and is returned device as portion of hot, water-side heat is as condenser, and the condensation temperature of unit descends, and heat is returned the sensible heat that device also can be recycled to condensation portion, reach and improved the hot temperature of life, also reduced the worker and consumed two purposes, its efficiency has also realized that far above the ordinary hot pump assembly domestic hot-water's institute's calorific requirement and heating capacity distribute simultaneously.The needs that meet economizing type society.
Description of drawings
Below in conjunction with drawings and Examples the utility model turnover one is gone on foot explanation.
Fig. 1 is the utility model schematic diagram
Among the figure: 1, compressor, 2, first magnetic valve, 3, heat regenerator, 4, cross valve, 5, second magnetic valve, 6, first check valve, 7, the 3rd magnetic valve, 8, the 4th magnetic valve, 9, the 5th magnetic valve, 10, condensation fan, 11, air side heat exchanger, 12, vapour liquid separator, 13, the 6th magnetic valve, 14, second check valve, 15, water-side heat, 16, the 3rd check valve, 17, the first throttle cutoff device, 18, the second throttling cutoff device, 19, reservoir, 20, the 4th check valve, 21, blast pipe, 22, first via blast pipe, 23, No. the second blast pipe, 24, steam pipe, 25, steam pipe, 26, steam inlet pipe, 27, steam pipe, 28, steam pipe.
The specific embodiment
The utility model relates to a kind of six-in-one air-cooling heat pump unit, and it comprises: compressor (1), first magnetic valve (2), heat regenerator (3), cross valve (4), second magnetic valve (5), first check valve (6), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 5th magnetic valve (9), condensation fan (10), air side heat exchanger (11), vapour liquid separator (12), the 6th magnetic valve (13), second check valve (14), water-side heat (15), the 3rd check valve (16), first throttle cutoff device (17), the second throttling cutoff device (18), reservoir (19), the 4th check valve (20).
Six patterns of the utility model realize with following method formula:
1, refrigeration: water-side heat (15) is made evaporimeter, air side heat exchanger (11) is made condenser, and at this moment: first magnetic valve (2), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 5th magnetic valve (9), the 6th magnetic valve (13), the second throttling cutoff device (18) must not be closed by electricity; Cross valve (4) must not; Second magnetic valve (5), first throttle cutoff device (17) get electric opening.Compressor (1) exhaust enters air side heat exchanger (11) and is condensed into subcooled liquid through cross valve (4), second magnetic valve (5), subcooled liquid enters reservoir (19) through the 4th check valve (20), pass through first throttle cutoff device (17) the laggard water inlet side heat exchanger of throttling (15) again and flash to overheated gas, overheated gas flows into compressor (1) again and inhales vapour through flow through cross valve (4), vapour liquid separator (12) of second check valve (14), and refrigeration is finished in circulation so repeatedly.
2, refrigeration+all recuperations of heat: water-side heat (15) is made evaporimeter, heat is returned device (3) and is made condenser, and at this moment: second magnetic valve (5), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 6th magnetic valve (13), the second throttling cutoff device (18) must not be closed by electricity; Cross valve (4) must not; First magnetic valve (2), the 5th magnetic valve (9), first throttle cutoff device (17) get electric opening.Compressor (1) exhaust enters heat regenerator (3) through first magnetic valve (2) and is condensed into subcooled liquid, subcooled liquid flows through the 5th magnetic valve (9) and enters reservoir (19), after first throttle cutoff device (17) throttling, enter water-side heat (15) again and flash to overheated gas, overheated gas flows into compressor (1) again and inhales vapour through flow through cross valve (4), vapour liquid separator (12) of second check valve (14), and refrigeration+whole recuperations of heat are finished in circulation so repeatedly.
3, refrigeration+portion of hot reclaims: water-side heat (15) is made evaporimeter, heat is returned device (3) and is returned device as portion of hot, air side heat exchanger (11) is made condenser, and at this moment: second magnetic valve (5), the 3rd magnetic valve (7), the 5th magnetic valve (9), the 6th magnetic valve (13), the second throttling cutoff device (18) must not be closed by electricity; Cross valve (4) must not; First magnetic valve (2), the 4th magnetic valve (8), first throttle cutoff device (17) get electric opening.Compressor (1) exhaust enters heat regenerator (3) recovery section condensation load through first magnetic valve (2), flow into air side heat exchanger (11) through the 4th magnetic valve (8) again and be condensed into subcooled liquid, subcooled liquid flows through the 4th check valve (20) and enters reservoir (19), flash to overheated gas through first throttle cutoff device (17) the laggard water inlet side heat exchanger of throttling (15) again, overheated gas flows into compressor (1) again and inhales vapour through flow through cross valve (4), vapour liquid separator (12) of second check valve (14), and refrigeration+portion of hot recovery is finished in circulation so repeatedly.
4, independent domestic hot water: air side heat exchanger (11) is made evaporimeter, heat is returned device (3) and is made condenser, and at this moment: second magnetic valve (5), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 6th magnetic valve (13), first throttle cutoff device (17) must not be closed by electricity; First magnetic valve (2), the 5th magnetic valve (9), the second throttling cutoff device (18) get electric opening; Cross valve (4).Compressor (1) exhaust enters heat regenerator (3) through first magnetic valve (2) and becomes subcooled liquid, subcooled liquid flows through the 5th magnetic valve (9) and enters reservoir (19), flash to overheated gas through second throttling cutoff device (18) the throttling laggard inlet air side heat exchanger (11) again, overheated gas flows into compressor (1) again and inhales vapour through flow through cross valve (4), vapour liquid separator (12) of first check valve (6), and independent domestic hot water is finished in circulation so repeatedly.
5, heat separately: water-side heat (15) is done condensation, air side heat exchanger (11) evaporates.At this moment: first magnetic valve (2), second magnetic valve (5), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 5th magnetic valve (9), first throttle cutoff device (17) must not be closed by electricity; The 6th magnetic valve (13), the second throttling cutoff device (18) get electric opening; Cross valve (4).Compressor (1) exhaust enters water-side heat (15) and is condensed into subcooled liquid through cross valve (4), the 6th magnetic valve (13), subcooled liquid enters reservoir (19) through the 3rd check valve (16), flash to overheated gas through second throttling cutoff device (18) the throttling laggard inlet air side heat exchanger (11) again, overheated gas flows into compressor (1) again and inhales vapour through first check valve (6) inflow cross valve (4), vapour liquid separator (12), and circulation is finished separately and heated so repeatedly.
6, heat+the portion of hot recovery: heat regenerator (3) is made portion of hot and is reclaimed, and water-side heat (15) is made condenser, and air side heat exchanger (11) is made evaporimeter.At this moment: second magnetic valve (5), the 4th magnetic valve (8), the 5th magnetic valve (9), the 6th magnetic valve (13), first throttle cutoff device (17) must not be closed by electricity; First magnetic valve (2), the 3rd magnetic valve (7), the second throttling cutoff device (18) get electric opening; Cross valve (4).Compressor (1) exhaust enters heat regenerator (3) recovery section condensation load through first magnetic valve (2), flow into water-side heat (15) through the 3rd magnetic valve (7) again and be condensed into subcooled liquid, subcooled liquid flows through the 3rd check valve (16) and enters reservoir (19), flash to overheated gas through second throttling cutoff device (18) the throttling laggard inlet air side heat exchanger (11) again, overheated gas flows into compressor (1) again and inhales vapour through first check valve (6) inflow cross valve (4), vapour liquid separator (12), and circulation is finished and heated+the portion of hot recovery so repeatedly.
Claims (2)
1, a kind of six-in-one air-cooling heat pump unit, it comprises: compressor (1), first magnetic valve (2), heat regenerator (3), cross valve (4), second magnetic valve (5), first check valve (6), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 5th magnetic valve (9), condensation fan (10), air side heat exchanger (11), vapour liquid separator (12), the 6th magnetic valve (13), second check valve (14), water-side heat (15), the 3rd check valve (16), first throttle cutoff device (17), the second throttling cutoff device (18), reservoir (19), the 4th check valve (20) is characterized in that: compressor (1) blast pipe (21) is divided into first via blast pipe (22) and No. the second blast pipe (23); Four interfaces of cross valve (4) link to each other with No. the second blast pipe (23), the steam pipe (24) that is connected with air side heat exchanger (11), the steam pipe (25) that is connected with water-side heat (15), the steam inlet pipe (26) that is connected with vapour liquid separator (12) respectively; First via blast pipe (22) links to each other with heat regenerator (3) steam inlet pipe through first magnetic valve (2); In parallel one tunnel second magnetic valve (5) and first check valve (6) between cross valve (4) steam pipe (24) and air side heat exchanger (11) steam pipe (28); In parallel one tunnel the 6th magnetic valve (13) and second check valve (14) between cross valve (4) steam pipe (25) and water-side heat (15) steam pipe (27); The outlet of heat regenerator (3) is connected with the import of the 3rd magnetic valve (7), the 4th magnetic valve (8), the 5th magnetic valve (9), the outlet of the 3rd magnetic valve (7) is connected with water-side heat (15) steam pipe (27), the outlet of the 4th magnetic valve (8) is connected with air side heat exchanger (11) steam pipe (28), and the 5th magnetic valve (9) outlet is connected with pipe between the 3rd check valve (16), the 4th check valve (20); Reservoir (19) outlet is connected with the pipe of first throttle cutoff device (17), the second throttling cutoff device (18); Import with water-side heat (15) is connected with first throttle cutoff device (17) through the second throttling cutoff device (18) in the outlet of air side heat exchanger (11); Pipe is connected between the import of the 3rd check valve (16) and water-side heat (15) and the first throttle cutoff device (17); The import of the 4th check valve (20) and air side heat exchanger (11) are connected with pipe between the second throttling cutoff device (18); The outlet of vapour liquid separator (12) is connected with the import of compressor (1).
2, six-in-one air-cooling heat pump unit according to claim 1 is characterized in that: the described first throttle cutoff device (17) and the second throttling cutoff device (18) add capillary for magnetic valve adds heating power expansion valve, magnetic valve, magnetic valve adds orifice plate flow controller or electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920023589U CN201377934Y (en) | 2009-03-17 | 2009-03-17 | Six-in-one air-cooled heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920023589U CN201377934Y (en) | 2009-03-17 | 2009-03-17 | Six-in-one air-cooled heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377934Y true CN201377934Y (en) | 2010-01-06 |
Family
ID=41518050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920023589U Expired - Lifetime CN201377934Y (en) | 2009-03-17 | 2009-03-17 | Six-in-one air-cooled heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377934Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504210B (en) * | 2009-03-17 | 2011-07-20 | 贝莱特空调有限公司 | Six-in-one air-cooling heat pump unit |
| CN102889709A (en) * | 2012-09-21 | 2013-01-23 | 特灵空调系统(中国)有限公司 | Frequency-conversion multifunctional air-conditioning water heating system |
| CN103615836A (en) * | 2013-11-30 | 2014-03-05 | 金国达科技（湖南）有限公司 | Screw type total heat recovery air cooled heat pump air conditioning unit |
| CN105987536A (en) * | 2015-02-04 | 2016-10-05 | 广州市华德工业有限公司 | Triple heat supply pump system |
| DE202017104807U1 (en) | 2016-08-30 | 2017-08-25 | Nikolai V. Anastasov | Water-water / air-water heat pump with heat recovery |
-
2009
- 2009-03-17 CN CN200920023589U patent/CN201377934Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504210B (en) * | 2009-03-17 | 2011-07-20 | 贝莱特空调有限公司 | Six-in-one air-cooling heat pump unit |
| CN102889709A (en) * | 2012-09-21 | 2013-01-23 | 特灵空调系统(中国)有限公司 | Frequency-conversion multifunctional air-conditioning water heating system |
| CN102889709B (en) * | 2012-09-21 | 2014-10-08 | 特灵空调系统(中国)有限公司 | Frequency-conversion multifunctional air-conditioning water heating system |
| CN103615836A (en) * | 2013-11-30 | 2014-03-05 | 金国达科技（湖南）有限公司 | Screw type total heat recovery air cooled heat pump air conditioning unit |
| CN103615836B (en) * | 2013-11-30 | 2015-08-26 | 金国达科技（湖南）有限公司 | A kind of screw total heat recovery air-cooled heat-pump air-conditioner group |
| CN105987536A (en) * | 2015-02-04 | 2016-10-05 | 广州市华德工业有限公司 | Triple heat supply pump system |
| DE202017104807U1 (en) | 2016-08-30 | 2017-08-25 | Nikolai V. Anastasov | Water-water / air-water heat pump with heat recovery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101504210B (en) | Six-in-one air-cooling heat pump unit | |
| CN105841390B (en) | A kind of gas driven air source heat pump thermal power plant unit for central heating system | |
| CN100470170C (en) | Integral air-conditioning system with solar assisted air source inter-critical carbon dioxide heat pump | |
| CN101858669B (en) | Water-cooled air conditioning and water heating system | |
| CN101165435B (en) | Double effect compression type cold-hot water energy-saving machine set | |
| CN101504213B (en) | Four-in-one air-cooling heat pump unit | |
| CN201377934Y (en) | Six-in-one air-cooled heat pump unit | |
| CN101504212A (en) | Multifunctional four-in-one air-cooling heat pump unit | |
| CN101907355B (en) | Adaptive self-regulating energy-saving heat pump water heater and operation method thereof | |
| CN203024489U (en) | Multi-heat source heat pump unit suitable for cold region | |
| CN101307939B (en) | Heat reclamation type modularized air-cooling hot water machine unit | |
| CN101504211A (en) | Multifunctional six-in-one air-cooling heat pump unit | |
| CN201527134U (en) | Total heat recovery refrigerating system for air conditioning device | |
| CN101329106A (en) | Technique and process for preparing sanitary hot water by air conditioner condensation heat and auxiliary heat source | |
| CN101191680A (en) | Double stage all heat reclamation water-cooling screw rod water chilling unit | |
| CN103712370A (en) | Air source heat pump system | |
| CN103604248B (en) | A kind of three use type earth source absorption type heat pump and operation method | |
| CN109442783A (en) | A kind of cold-heat combined Regional Energy Supply Method of ultrahigh energy efficiency and system | |
| CN102767921A (en) | Double-way pre-cooling efficient heat pump device and control method thereof | |
| CN201377936Y (en) | Four-in-one air-cooled heat pump unit with multiple functions | |
| CN2847157Y (en) | Device for utilizing condensation waste heat | |
| CN201377935Y (en) | Six-in-one air-cooled heat pump unit with multiple functions | |
| WO2001002783A1 (en) | Multi-function thermodynamic device | |
| CN203687444U (en) | Tri-use type ground source absorption heat pump system | |
| CN201218627Y (en) | Dual-effect absorption type ground source heat pump and floor air conditioner integration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100106 |