CN202254152U - Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device - Google Patents
Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device Download PDFInfo
- Publication number
- CN202254152U CN202254152U CN2011203851943U CN201120385194U CN202254152U CN 202254152 U CN202254152 U CN 202254152U CN 2011203851943 U CN2011203851943 U CN 2011203851943U CN 201120385194 U CN201120385194 U CN 201120385194U CN 202254152 U CN202254152 U CN 202254152U
- Authority
- CN
- China
- Prior art keywords
- energy
- group
- heat pump
- air
- interface
- 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
Images
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
-
- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to an energy-saving device and an energy-saving system of a solar supplement heat storage air-cooling heat pump device. The energy-saving device comprises a shell provided with at least a first group of interface, a second group of interface and a third group of interface; the three groups of interfaces are respectively provided with at least two end parts; the shell is internally provided with a heat storage tank respectively connected with the second group of interface and the third group of interface, and a first electromagnetic valve group and a second electromagnetic valve group which are connected with the heat storage tank and are opened and closed alternately; one end of the first electromagnetic valve group is connected with the heat storage tank, and the other end of the first electromagnetic valve group is connected with one end part of the first group of interface; a bypass pipeline is arranged between the two end parts of the first group of interface; and the second electromagnetic valve group is arranged on the bypass pipeline. The energy-saving device and the energy-saving system ensures the existing solar heat collection system and the existing air-cooling heat pump system to work cooperatively, so that the refrigeration efficiency of the air-cooling heat pump system can be improved in summer, and all-free domestic hot water can be supplied to families.
Description
Technical field
The utility model relates to a kind of energy saver and energy conserving system, particularly relates to energy saver and energy conserving system that a kind of solar energy is mended accumulation of heat air-cooled heat pump equipment.
Background technology
Current, the air conditioner refrigerating heating combined equipment of home dwelling mainly adopts air-cooled heat pump unit to carry out air temperature modification.Existing air-cooled heat pump unit mainly comprises indoor heat exchange mechanisms and outdoor heat exchange mechanism.But when concrete the use, above-mentioned outdoor heat exchange mechanism usually has influence on the operating efficiency of compressor in the indoor heat exchange mechanisms owing to the variation of outdoor temperature.For example, when outdoor temperature is low excessively, cause existing in the air-cooled heat pump unit not the working medium of evaporation fully through regular meeting, these working medium of not evaporating fully can make the heating efficiency of air-cooled heat pump unit reduce; When serious, even can air-cooled heat pump unit can not normally be moved owing to the protection shutdown of compressor.
The prior art of part has also used electric heater unit to carry out air heat, and with this supplementary heating device that can not normally move as air-cooled heat pump unit.For example, in the winter time, can not normally move or heating efficiency when very low, then adopt Electric heating that indoor air themperature is carried out electric heating and regulate, but this electric heater unit have defectives such as electric cost is higher, economy is relatively poor when the air-cooled heat pump air-conditioning system.
In addition, at present a lot of families all can use solar thermal collection system that household water is carried out heat treated, and still, the using energy source of above-mentioned solar energy but is difficult to be applied to the adjusting aspect of indoor temperature.
The utility model content
The purpose of the utility model be propose a kind of simple in structure, be easy to make, with low cost, outstanding effect solar energy mends the energy saver of accumulation of heat air-cooled heat pump equipment and the energy conserving system with this energy saver.
For realizing above-mentioned purpose; The utility model provides a kind of solar energy to mend the energy saver of accumulation of heat air-cooled heat pump equipment; Said energy saver comprise have at least the first group interface, the housing of second group interface and the 3rd group interface; Described three group interfaces all have at least two ends, the first magnetic valve group and the second magnetic valve group that are provided with respectively the heat storage can that is connected with the 3rd group interface with said second group interface in the said housing and link to each other with said heat storage can respectively and alternately open and close, wherein; One end of the said first magnetic valve group links to each other with said heat storage can; The other end links to each other with an end of said first group interface, and is provided with bypass line between two ends of said first group interface, and the said second magnetic valve group is arranged on this bypass line.
Preferably, said solar energy is mended accumulation of heat air-cooled heat pump equipment and is also comprised solar thermal collection system, domestic hot-water supply system and air-cooled heat pump unit, and two ends of said energy saver second group interface link to each other with solar thermal collection system respectively.
More preferably, two ends of said energy saver the 3rd group interface link to each other with the domestic hot-water supply system respectively.
Preferably, said bypass line is positioned at the upper reaches or the downstream of the said first magnetic valve group.
Preferably, said energy saver also comprises controlling organization, and on said heat storage can, also is provided with temperature sensor, and said temperature sensor and the said first magnetic valve group all link to each other with said controlling organization with the second magnetic valve group.
Another purpose of the utility model is to provide a kind of solar energy to mend the energy conserving system of accumulation of heat air-cooled heat pump equipment; Comprise air-cooled heat pump unit, solar thermal collection system and domestic hot-water supply system; Wherein, said air-cooled heat pump unit comprises indoor set and outdoor heat exchanger, also comprises above-mentioned energy saver; An end of first group interface of said energy saver is connected with said outdoor heat exchanger, and another end is connected with said indoor set.
Preferably; Said indoor set comprises compressor, indoor heat exchanger and the choke valve and the cross valve that link to each other with said indoor heat exchanger respectively; The two ends of said compressor all link to each other with said cross valve, and the end that links to each other with said indoor set links to each other with said cross valve.
More preferably, two ends of said energy saver second group interface link to each other with solar thermal collection system respectively.
Preferably, two ends of said energy saver the 3rd group interface link to each other with the domestic hot-water supply system respectively.
Further, said energy conserving system also comprises control device, and on said heat storage can and outdoor heat exchanger, also is provided with temperature sensor, and said temperature sensor and the said first magnetic valve group all link to each other with said control device with the second magnetic valve group.
Based on technique scheme; The utility model has the advantages that: through energy saver that uses the utility model and the energy conserving system that comprises this energy saver; Make that existing solar thermal collection system and air-cooled heat pump unit can collaborative works, be implemented in the refrigerating efficiency that improves air-cooled heat pump unit summer, and can completely free domestic hot-water be provided for family; For example: in sun-drenched weather, use the solar energy domestic hot-water supply; During rainy weather, in refrigeration, utilize the energy saver of the utility model to carry out recuperation of heat, equally the domestic hot-water can be provided.In addition, in season in spring and autumn, through solar heat-preservation supply domestic hot-water; In the winter time, the utility model has also solved the problem of the cold and hot heat pump heating inefficient of cold environmental conditions leeward, and does not need the outer electric heater unit of supplementary quota.Thus, make the energy conserving system of the utility model can reduce by winter heating's operating cost of about 30%.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model energy saver;
Fig. 2 is the structural representation of the utility model energy conserving system.
The specific embodiment
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Referring to Fig. 1; A kind of solar energy of the utility model shown in it is mended the preferred embodiment of the energy saver of accumulation of heat air-cooled heat pump equipment; Said energy saver 10 comprise have at least the first group interface, the housing 1 of second group interface and the 3rd group interface R, S, W, described three group interfaces all have at least two ends.In the present embodiment, the first group interface R has two end R01, R02, and the second group interface S has two end S01, S02, and the 3rd group interface has two end W01, W02, and is as shown in Figure 1.Certainly, be understood that to those skilled in the art that according to the operating position of external equipment, the utility model can be provided with many group interfaces, also can be provided with a plurality of ends.
Further, the first magnetic valve group F01 and the second magnetic valve group F02 that are provided with respectively the heat storage can 2 that is connected with the 3rd group interface W with the said second group interface S in the said housing 1 and link to each other with said heat storage can 2 respectively and alternately open and close.In the present embodiment, said heat storage can 2 is the heat accumulation water pot, certainly, also can be the heat accumulation tank body of other types in the prior art.
Particularly, the end of the said first magnetic valve group F01 links to each other with said heat storage can 2, and the other end links to each other with the end R01 of the said first group interface R; And be provided with bypass line 3 between two end R01 of the said first group interface R, the R02; The said second magnetic valve group F02 is arranged on this bypass line 3, and is as shown in Figure 1, in the utility model; Said bypass line 3 can be positioned at the upper reaches of the first magnetic valve group F01, also can be positioned at the first magnetic valve group F01 downstream.And described magnetic valve group F01 and F02 can be various two three-way electromagnetic valve group structures of the prior art.
Preferably; Said solar energy is mended accumulation of heat air-cooled heat pump equipment and is also comprised solar thermal collection system, domestic hot-water supply system and air-cooled heat pump unit; Two end S01 of the said energy saver second group interface S, S02 supply the tieback mouth to link to each other with the medium of solar thermal collection system respectively, are used for receiving and utilizing solar heat.Further, two end W01 of said energy saver the 3rd group interface W, W02 link to each other with the domestic hot-water supply system respectively, and promptly an end W01 links to each other with tap water interface, and another end W02 is the domestic hot-water supply interface.
Further; Said energy saver also comprises the controlling organization (not shown); And on said heat storage can (2), also be provided with temperature sensor, said temperature sensor and the said first magnetic valve group (F01) all link to each other with said controlling organization with the second magnetic valve group (F02).So just, can be so that the utility model be controlled the switching of the said first magnetic valve group (F01) and the second magnetic valve group (F02) according to season and variation of temperature through said controlling organization; Thereby accomplish the optimized running of energy saver, and make whole system be in the operating mode of the operation of the most energy-conservation, low-carbon (LC) and environmental protection.
To sum up; The energy saver of the utility model in use; Only need the end of its each interface correspondingly is connected with the interface of existing air-cooled heat pump unit, solar thermal collection system and domestic hot-water supply system; Can realize the refrigeration in summer, winter heating, can carry out the purpose of domestic hot-water supply the whole year.
Referring to Fig. 2; A kind of solar energy of the utility model shown in it is mended the energy conserving system of accumulation of heat air-cooled heat pump equipment, comprises air-cooled heat pump unit 20, solar thermal collection system 30 and domestic hot-water supply system, wherein; Said air-cooled heat pump unit 20 comprises indoor set 21 and outdoor heat exchanger 22; Also comprise above-mentioned energy saver 10, the end R01 of the first group interface R of said energy saver 10 is connected with said outdoor heat exchanger 22, and another end R02 is connected with said indoor set 21.
More specifically; Said indoor set 21 comprises compressor 23, indoor heat exchanger 24 and the choke valve 25 and the cross valve 26 that link to each other with said indoor heat exchanger 24 respectively; The two ends of said compressor 23 all link to each other with said cross valve 26, and the end R02 that links to each other with said indoor set 21 links to each other with said cross valve 26.
Further, two end S01 of the said energy saver second group interface S, S02 link to each other with solar thermal collection system 30 respectively; Two end W01 of said energy saver the 3rd group interface W, W02 link to each other with the domestic hot-water supply system respectively, and be as shown in Figure 2.Said energy conserving system also comprises control device, and on said heat storage can 2 and outdoor heat exchanger 22, also is provided with temperature sensor, and said temperature sensor and the said first magnetic valve group (F01) all link to each other with said control device with the second magnetic valve group (F02).The control device of said energy conserving system and the control structure of said energy saver can be control assemblies independently separately, also can be the Control Components that becomes one.Preferably, in the present embodiment, the two is the Control Component that becomes one.
Particularly, the operation principle of the utility model:
In the summer rainy weather, the energy saver through the utility model can carry out the heat pump recuperation of heat when solar heat-preservation is not enough; And when outside air temperature is low in the winter time; Through solar thermal collection system said energy saver is carried out solar energy and hold concurrent heating; And the outdoor heat exchanger (condenser) that said energy saver is serially connected in air-cooled heat pump unit before, and be connected with cross valve in the air-cooled heat pump unit indoor set; Outside air temperature sensor through being installed in the outdoor heat exchanger obtains outside air temperature T1; Through being installed on the internal temperature T0 of the hot water temperature's sensor acquisition heat storage can in the heat storage can; Carry out summer fever through independent controlling organization and reclaim, hold winter the automatic conversion and control of concurrent heating.
The course of work of the utility model is:
1, summer, the refrigeration system internal working medium flow process that solar energy is mended accumulation of heat air-cooled heat pump equipment was: compressor 23-cross valve 26-heat storage can 2-outdoor heat exchanger 22-choke valve 25 (also can be expansion valve)-indoor heat exchanger 24-cross valve 26-compressors 23 (directions shown in single arrow among Fig. 2) during refrigerating operaton.When run into rainy weather, solar heat-preservation when not enough (for example, promptly the T0 temperature less than design temperature T
mThe time, in the present embodiment, when T0＜35 ℃); The first magnetic valve group F01 opens, and the second magnetic valve group F02 closes, and it (is the heat that the summer air-conditioning refrigeration produces that high temperature refrigerant carries out the one-level condensation through the heating domestic hot-water earlier; Can carry out the domestic water heating), inlet chamber external heat exchanger 22 carries out B-grade condensation then, thus; Both realize recuperation of heat and free preparation domestic hot-water, reduced the heat exchange load of outside again, also improved the efficient of summer operation simultaneously.When T0＞45 ℃ (can certainly these 45 ℃ of temperature values be changed into other design temperature), the first magnetic valve group F01 closes, and the second magnetic valve group F02 opens, and working medium through energy saver 10, is not carried out normal refrigerating operaton.
When 2, winter heating moved, the flow process of working medium was: compressor 23-cross valve 26-indoor heat exchanger 24-choke valve 25-outdoor heat exchanger 22-heat storage can 2-cross valve 26-compressor 23 (directions shown in broad arrow among Fig. 2).When run into outside air temperature cross when low (for example, promptly the T1 temperature less than design temperature T
nThe time, in the present embodiment, when T1＜-5 ℃), can have the evaporation fully of working medium of part, make the heating efficiency of air-cooled heat pump unit reduce; At this moment, open the first magnetic valve group F01, close the second magnetic valve group F02, the working medium that then can not evaporate fully above-mentioned process outdoor heat exchanger 22 through the energy storage canister behind the solar heat-preservation 2 heats.After the working medium temperature improves, the working medium of not evaporating is fully evaporated fully, thereby improve the pressure of inspiration(Pi) of compressor 23, and further improve the heating efficiency of system under low temperature environment widely.When T1＞0 ℃ (can certainly this 0 ℃ of temperature value be changed into other design temperature), the first magnetic valve group F01 closes, and the second magnetic valve group F02 opens, the normal heating operation of air-cooled heat pump.
To sum up, the utility model does not change the existing apparatus and the equipment of air cooling system, so, also need not improvement expenses.And the utility model also has installs advantages such as simple, easy to operate.
Obviously, those of ordinary skill in the art can use a kind of solar energy of the utility model to mend the energy saver and the energy conserving system of accumulation of heat air-cooled heat pump equipment, constitutes various types of energy-saving equipments.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the specific embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a solar energy is mended the energy saver of accumulation of heat air-cooled heat pump equipment; It is characterized in that: said energy saver comprise have at least the first group interface, the housing (1) of second group interface and the 3rd group interface (R, S, W); Described three group interfaces all have at least two ends; The first magnetic valve group (F01) and the second magnetic valve group (F02) that are provided with respectively the heat storage can (2) that is connected with the 3rd group interface (W) with said second group interface (S) in the said housing (1) and link to each other with said heat storage can (2) respectively and alternately open and close; Wherein, One end of the said first magnetic valve group (F01) links to each other with said heat storage can (2); The other end links to each other with an end (R01) of said first group interface (R), and is provided with bypass line (3) between two ends (R01, R02) of said first group interface (R), and the said second magnetic valve group (F02) is arranged on this bypass line (3).
2. solar energy according to claim 1 is mended the energy saver of accumulation of heat air-cooled heat pump equipment; It is characterized in that: said solar energy is mended accumulation of heat air-cooled heat pump equipment and is also comprised solar thermal collection system, domestic hot-water supply system and air-cooled heat pump unit, and two ends (S01, S02) of said energy saver second group interface (S) link to each other with solar thermal collection system respectively.
3. solar energy according to claim 2 is mended the energy saver of accumulation of heat air-cooled heat pump equipment, and it is characterized in that: two ends (W01, W02) of said energy saver the 3rd group interface (W) link to each other with the domestic hot-water supply system respectively.
4. solar energy according to claim 1 is mended the energy saver of accumulation of heat air-cooled heat pump equipment, and it is characterized in that: said bypass line (3) is positioned at the upper reaches or the downstream of the said first magnetic valve group (F01).
5. solar energy according to claim 1 is mended the energy saver of accumulation of heat air-cooled heat pump equipment; It is characterized in that: said energy saver also comprises controlling organization; And on said heat storage can (2), also be provided with temperature sensor, said temperature sensor and the said first magnetic valve group (F01) all link to each other with said controlling organization with the second magnetic valve group (F02).
6. a solar energy is mended the energy conserving system of accumulation of heat air-cooled heat pump equipment; Comprise air-cooled heat pump unit (20), solar thermal collection system (30) and domestic hot-water supply system; Wherein, Said air-cooled heat pump unit (20) comprises indoor set (21) and outdoor heat exchanger (22); It is characterized in that: also comprise above-mentioned any described energy saver of claim (10), an end (R01) of first group interface (R) of said energy saver (10) is connected with said outdoor heat exchanger (22), and another end (R02) is connected with said indoor set (21).
7. solar energy according to claim 6 is mended the energy conserving system of accumulation of heat air-cooled heat pump equipment; It is characterized in that: said indoor set (21) comprises compressor (23), indoor heat exchanger (24) and choke valve (25) that links to each other with said indoor heat exchanger (24) respectively and cross valve (26); The two ends of said compressor (23) all link to each other with said cross valve (26), and the end (R02) that links to each other with said indoor set (21) links to each other with said cross valve (26).
8. solar energy according to claim 7 is mended the energy conserving system of accumulation of heat air-cooled heat pump equipment, and it is characterized in that: two ends (S01, S02) of said energy saver second group interface (S) link to each other with solar thermal collection system (30) respectively.
9. solar energy according to claim 8 is mended the energy conserving system of accumulation of heat air-cooled heat pump equipment, and it is characterized in that: two ends (W01, W02) of said energy saver the 3rd group interface (W) link to each other with the domestic hot-water supply system respectively.
10. solar energy according to claim 9 is mended the energy conserving system of accumulation of heat air-cooled heat pump equipment; It is characterized in that: said energy conserving system also comprises control device; And on said heat storage can (2) and outdoor heat exchanger (22), also be provided with temperature sensor, said temperature sensor and the said first magnetic valve group (F01) all link to each other with said control device with the second magnetic valve group (F02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203851943U CN202254152U (en) | 2011-10-11 | 2011-10-11 | Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203851943U CN202254152U (en) | 2011-10-11 | 2011-10-11 | Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202254152U true CN202254152U (en) | 2012-05-30 |
Family
ID=46115385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203851943U Expired - Lifetime CN202254152U (en) | 2011-10-11 | 2011-10-11 | Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202254152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305460A (en) * | 2011-10-11 | 2012-01-04 | 北京卡林新能源技术有限公司 | Energy-saving device and system of air cooling heat pump with heat supplied and stored by solar energy |
-
2011
- 2011-10-11 CN CN2011203851943U patent/CN202254152U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305460A (en) * | 2011-10-11 | 2012-01-04 | 北京卡林新能源技术有限公司 | Energy-saving device and system of air cooling heat pump with heat supplied and stored by solar energy |
| CN102305460B (en) * | 2011-10-11 | 2014-06-18 | 北京卡林新能源技术有限公司 | Energy-saving device and system of air cooling heat pump with heat supplied and stored by solar energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102645055B (en) | Adaptively-matched solar auxiliary air source heat pump device | |
| KR101333143B1 (en) | The regenrative air conditioning apparatust | |
| CN101358761B (en) | Thermal recovery type geothermal heat pump air conditioning system for file storeroom | |
| CN204254716U (en) | A kind of single heating type earth-source hot-pump system | |
| CN103900184A (en) | Water cooling medium three-pipe refrigerating and heating air-conditioning system | |
| CN205316766U (en) | Solar air source heat pump | |
| CN203518373U (en) | Air conditioning system | |
| CN104251580A (en) | Air conditioning system | |
| CN202799552U (en) | Double-driving heat pipe heat dissipation cabinet | |
| CN102313397A (en) | Water heating machine system of heat recovery multi-gang heat pump air conditioner | |
| CN105402966A (en) | Solar energy-based air source heat pump | |
| CN107543266A (en) | The double end air source heat pump electricity storing energy and supplying hot air-conditioning devices of family expenses and method of work | |
| CN201757471U (en) | Heat pump hot water air conditioner | |
| CN105509363B (en) | High-efficiency cleaning multiple-energy-source comprehensively utilizes cold-hot combined supply system | |
| CN100376851C (en) | Multifunctional solar-assisted heat pump system | |
| CN203785282U (en) | Hot water system of solar combined multiplex heat pump | |
| CN202675732U (en) | Self-adaptation matching solar auxiliary air source heat pump device | |
| CN202470558U (en) | Front external auxiliary heating anti-frosting device | |
| CN105890211B (en) | A kind of accumulation of energy interconnection heat pump system of suitable cold district heat supply | |
| CN103123192A (en) | External auxiliary heating frosting-proof capillary throttling integrated device | |
| CN101055116A (en) | Composite condensing/evaporating four-functional hot water heat pump air conditioner device | |
| CN202254152U (en) | Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device | |
| CN102305460B (en) | Energy-saving device and system of air cooling heat pump with heat supplied and stored by solar energy | |
| CN204923442U (en) | Warm up and hot water antithetical couplet confession all -in -one heat pump | |
| CN101799225B (en) | Multi-heat-source auxiliary multi-function heat pump system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |