CN102635977A - Low-temperature full-heat recycling type air-cooling heat pump set - Google Patents
Low-temperature full-heat recycling type air-cooling heat pump set Download PDFInfo
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- CN102635977A CN102635977A CN2011104587694A CN201110458769A CN102635977A CN 102635977 A CN102635977 A CN 102635977A CN 2011104587694 A CN2011104587694 A CN 2011104587694A CN 201110458769 A CN201110458769 A CN 201110458769A CN 102635977 A CN102635977 A CN 102635977A
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- 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]
- Y02B30/52—Heat 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
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- 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
Abstract
The invention provides a low-temperature full-heat recycling type air-cooling heat pump set which comprises a compressor, a gas-liquid separator, an air side fin type heat exchanger, a first four-way valve, a second four-way valve, an economizer, a first electronic expansion valve, a second electronic expansion valve, a first one-way valve, a second one-way valve, a third one-way valve, a first throttling device, a first liquid storing device, a second liquid storing device, a first filter, a second filter, a third filter, an air conditioner side heat exchanger and a domestic hot water side heat exchanger, wherein the compressor comprises an air suction end, an air discharging end and a middle air suction end; the air conditioner side heat exchanger comprises a 1 end and a 2 end; the domestic hot water side heat exchanger comprises a 1 end and a 2 end; the economizer comprises a 1 end, a 2 end, a 3 end and a 4 end; and the 1 end and the 3 end of the economizer are communicated with each other and the 2 end and the 4 end of the economizer are communicated with each other. Compared with the prior art, the low-temperature full-heat recycling type air-cooling heat pump set can provide enough heat supplying capability and water heating capability under a low-temperature environment, can randomly adjust, and can guarantee that water heating and heat generating requirements of a user can be met under the low-temperature environment.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature.
Background technology
Along with the continuous increase of China's economic level, and the improving constantly of living standard, people also constantly improve the demand of air-conditioning.Air-conditioning day by day becomes the basic facilities of building, becomes the necessity in people's live and work.
For a long time, the North China mainly heats with coal, gas, oil, but above-mentioned resource receives each side restrictions such as price, environment, traffic condition.Because Air-Cooled Heat Pump Unit is than heating equipments such as gas heater, electric heater, solar water heaters, have long, the plurality of advantages such as toxin expelling not of safety, energy-saving and environmental protection, life-span, receive the extensive concern of various circles of society.But; Receive the restriction of weather conditions; Common Air-Cooled Heat Pump Unit receives serious restriction in the North China; If common Air-Cooled Heat Pump Unit is not done any improvement and just is applied to severe cold area, the Winter heat supply deficiency will appear, and compressor exhaust temperature is too high even can't be in problems such as whole winter operations.These all can bring obstruction to the development of Air-Cooled Heat Pump Unit.
Therefore,, a kind of full recovery type heat wind-cooling type heat pump of low temperature unit that enough heating capacities can be provided is provided under low temperature environment, seems particularly important with the technology of the heating demand that satisfies severe cold area for addressing the above problem.
Summary of the invention
The objective of the invention is to avoid weak point of the prior art and a kind of full recovery type heat wind-cooling type heat pump of low temperature unit that enough heating capacities can be provided under low temperature environment is provided.
The object of the invention is realized through following technical scheme:
Provide a kind of low temperature full recovery type heat Air-Cooled Heat Pump Unit, included compressor, gas-liquid separator, air side fins formula heat exchanger, first cross valve, second cross valve, economizer, first electric expansion valve, second electric expansion valve, first check valve, second check valve, the 3rd check valve, first throttle device, first reservoir, second reservoir, first filter, second filter, the 3rd filter, air-conditioning side heat exchanger and domestic hot-water's side heat exchanger; Wherein, said compressor includes suction end, exhaust end and middle suction end; Said air-conditioning side heat exchanger includes 1 end and 2 ends; Said domestic hot-water's side heat exchanger includes 1 end and 2 ends; Said economizer includes 1 end, 2 ends, 3 ends and 4 ends, and 1 end and 3 ends of said economizer are connected, and 2 ends and 4 ends of said economizer are connected;
The exhaust end of said compressor is connected with the D2 end of said second cross valve; The E2 end of said second cross valve is connected with 1 end of said domestic hot-water's side heat exchanger; The S2 end of said second cross valve is connected with the arrival end of said gas-liquid separator; The port of export of said gas-liquid separator is connected with the suction end of said compressor; The C2 end of said second cross valve is connected with the D1 end of said first cross valve; The E1 end of said first cross valve is connected with 2 ends of said air-conditioning side heat exchanger; The S1 end of said first cross valve is connected with the S2 end of said second cross valve and the arrival end of said gas-liquid separator respectively; The C1 end of said first cross valve is connected with an end of said air side fins formula heat exchanger, and the other end of said air side fins formula heat exchanger is connected with an end of said second electric expansion valve and an end of said first check valve respectively, and the other end of said second electric expansion valve is connected with an end of said second filter; The other end of said second filter is connected with an end of an end of said first filter, said first throttle device and 3 ends of said economizer respectively; The other end of said first filter is connected with an end of said first electric expansion valve, and the other end of said first electric expansion valve is connected with the arrival end of said first reservoir and 1 end of said air-conditioning side heat exchanger respectively, and the other end of said first throttle device is connected with 2 ends of said economizer; 4 ends of said economizer are connected with the middle suction end of said compressor; 1 end of said economizer is connected with an end of the other end of said first check valve, said second check valve and an end of said the 3rd check valve respectively, and the other end of said the 3rd check valve is connected with an end of said the 3rd filter, and the other end of said the 3rd filter is connected with an end of said second reservoir; The other end of said second reservoir is connected with 2 ends of said domestic hot-water's side heat exchanger, and the other end of said second check valve is connected with an end of said first reservoir;
When said first cross valve and said second cross valve all must not; And said second electronic expansion valve opening is 0 o'clock; The E1 of 1 end of the D1 of the D2 of the exhaust end of said compressor and said second cross valve, C2 end, said first cross valve, C1 end, said air side fins formula heat exchanger, said first check valve, said economizer and 3 ends, said first filter, said first electric expansion valve, said air-conditioning side heat exchanger, said first cross valve, S1 end, said gas-liquid separator, and the suction end of said compressor links to each other successively; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively;
When said first cross valve gets electric and said second cross valve must not; And said first electronic expansion valve opening is 0 o'clock, and the suction end of 1 end of the D1 of the D2 of the exhaust end of said compressor and said second cross valve, C2 end, said first cross valve, E1 end, said air-conditioning side heat exchanger, said first reservoir, said second check valve, said economizer and the C1 of 3 ends, said second filter, said second electric expansion valve, said air side fins formula heat exchanger, said first cross valve, S1 end, said gas-liquid separator, said compressor links to each other successively; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively;
When said first cross valve must not the electricity and said second cross valve get; And said second electronic expansion valve opening is 0 o'clock, and 1 end and the E1 of 3 ends, said first filter, said first electric expansion valve, said air-conditioning side heat exchanger, said first cross valve and the suction end of S1 end, said gas-liquid separator, said compressor of the D2 of the exhaust end of said compressor and said second cross valve, E2 end, said domestic hot-water's side heat exchanger, said second reservoir, said the 3rd filter, said the 3rd check valve, said economizer links to each other successively; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively;
When said first cross valve and said second cross valve all get; And said first electronic expansion valve opening is 0 o'clock, and the exhaust end of said compressor links to each other with S1 end, said gas-liquid separator, said compressor air suction end with D2, E2 end, said domestic hot-water's side heat exchanger, said second reservoir, said the 3rd check valve, 1 end of said economizer and the C1 of 3 ends, said second filter, said second electric expansion valve, said air side fins formula heat exchanger, said first cross valve of said second cross valve; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively.
Wherein, said first throttle device is any in heating power expansion valve, capillary and the electric expansion valve.
Wherein, Said the 3rd check valve is parallel with bypass loop; Said bypass loop includes second throttling arrangement and magnetic valve; One end of said the 3rd check valve is connected with said second throttling arrangement, and the other end of said second throttling arrangement is connected with an end of said magnetic valve, and the other end of said magnetic valve is connected with the other end of said the 3rd check valve.
Wherein, said second throttling arrangement is any in heating power expansion valve, capillary and the electric expansion valve.
Wherein, said compressor is the compressor that tonifying Qi increases the enthalpy type.
Wherein, a side of said air side fins formula heat exchanger is provided with blower fan.
Beneficial effect of the present invention:
The full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature includes compressor, gas-liquid separator, air side fins formula heat exchanger, first cross valve, second cross valve, economizer, first electric expansion valve, second electric expansion valve, first check valve, second check valve, the 3rd check valve, first throttle device, first reservoir, second reservoir, first filter, second filter, the 3rd filter, air-conditioning side heat exchanger, domestic hot-water's side heat exchanger; Wherein, compressor includes suction end, exhaust end and middle suction end; Air-conditioning side heat exchanger includes 1 end and 2 ends; Domestic hot-water's side heat exchanger includes 1 end and 2 ends; Economizer includes 1 end, 2 ends, 3 ends and 4 ends, and 1 end and 3 ends of economizer are connected, and 2 ends and 4 ends of economizer are connected.Compared with prior art, the present invention can provide enough heating capacity and hot water ability under low temperature environment, but and regulated at will, guaranteed under low temperature environment, can satisfy the user to hot water with heat demand.
Description of drawings
Utilize accompanying drawing that invention is described further, but the embodiment in the accompanying drawing do not constitute any restriction of the present invention,, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to following accompanying drawing for those of ordinary skill in the art.
Fig. 1 is the structural representation of the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature of the present invention.
In Fig. 1, include:
1---compressor; 2---second cross valve; 3---first cross valve; 4---air side fins formula heat exchanger; 5---second electric expansion valve; 6---second filter; 7---first filter; 8---first check valve; 9---the first throttle device; 10---first electric expansion valve; 11---economizer; 12---second throttling arrangement; 13---the 3rd check valve; 14---magnetic valve; 15---second check valve; 16---first reservoir; 17---air-conditioning side heat exchanger; 18---domestic hot-water's side heat exchanger; 19---second reservoir; 20---the 3rd filter; 21---gas-liquid separator.
The specific embodiment
In conjunction with following examples the present invention is further described.
One of specific embodiment of the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature of the present invention; As shown in Figure 1, include compressor 1, gas-liquid separator 21, air side fins formula heat exchanger 4, first cross valve 3, second cross valve 2, economizer 11, first electric expansion valve 10, second electric expansion valve 5, first check valve 8, second check valve 15, the 3rd check valve 13, first throttle device 9, first reservoir 16, second reservoir 19, first filter 7, second filter 6, the 3rd filter 20, air-conditioning side heat exchanger 17 and domestic hot-water's side heat exchanger 18; Wherein, said compressor 1 includes suction end, exhaust end and middle suction end; Said air-conditioning side heat exchanger 17 includes 1 end and 2 ends; Said domestic hot-water's side heat exchanger 18 includes 1 end and 2 ends; Said economizer 11 includes 1 end, 2 ends, 3 ends and 4 ends, and 1 end and 3 ends of said economizer 11 are connected, and 2 ends and 4 ends of said economizer 11 are connected;
The exhaust end of said compressor 1 is connected with the D2 end of said second cross valve 2; The E2 end of said second cross valve 2 is connected with 1 end of said domestic hot-water's side heat exchanger 18; The S2 end of said second cross valve 2 is connected with the arrival end of said gas-liquid separator 21; The port of export of said gas-liquid separator 21 is connected with the suction end of said compressor 1; The C2 end of said second cross valve 2 is connected with the D1 end of said first cross valve 3; The E1 end of said first cross valve 3 is connected with 2 ends of said air-conditioning side heat exchanger 17; The S1 end of said first cross valve 3 is connected with the S2 end of said second cross valve 2 and the arrival end of said gas-liquid separator 21 respectively; The C1 end of said first cross valve 3 is connected with an end of said air side fins formula heat exchanger 4; The other end of said air side fins formula heat exchanger 4 is connected with an end of said second electric expansion valve 5 and an end of said first check valve 8 respectively; The other end of said second electric expansion valve 5 is connected with an end of said second filter 6, and the other end of said second filter 6 is connected with an end of an end of said first filter 7, said first throttle device 9 and 3 ends of said economizer 11 respectively, and the other end of said first filter 7 is connected with an end of said first electric expansion valve 10; The other end of said first electric expansion valve 10 is connected with the arrival end of said first reservoir 16 and 1 end of said air-conditioning side heat exchanger 17 respectively; The other end of said first throttle device 9 is connected with 2 ends of said economizer 11, and 4 ends of said economizer 11 are connected with the middle suction end of said compressor 1, and 1 end of said economizer 11 is connected with an end of the other end of said first check valve 8, said second check valve 15 and an end of said the 3rd check valve 13 respectively; The other end of said the 3rd check valve 13 is connected with an end of said the 3rd filter 20; The other end of said the 3rd filter 20 is connected with an end of said second reservoir 19, and the other end of said second reservoir 19 is connected with 2 ends of said domestic hot-water's side heat exchanger 18, and the other end of said second check valve 15 is connected with an end of said first reservoir 16.
When said first cross valve 3 all must not with said second cross valve 2; And said second electric expansion valve, 5 apertures are 0 o'clock; 1 end of the D1 of the D2 of the exhaust end of said compressor 1 and said second cross valve 2, C2 end, said first cross valve 3, C1 end, said air side fins formula heat exchanger 4, said first check valve 8, said economizer 11 and 3 ends, said first filter 7, said first electric expansion valve 10, said air-conditioning side heat exchanger 17, the E1 of said first cross valve 3, S1 end, said gas-liquid separator 21, and the suction end of said compressor 1 is continuous successively; 3 ends of said economizer 11 link to each other with said first throttle device 9,2 ends of said economizer 11 and the middle suction end of 4 ends, said compressor 1 successively;
When said first cross valve 3 electric and said second cross valve 2 must not; And said first electric expansion valve, 10 apertures are 0 o'clock, and the suction end of the C1 of 1 end of the D1 of the D2 of the exhaust end of said compressor 1 and said second cross valve 2, C2 end, said first cross valve 3, E1 end, said air-conditioning side heat exchanger 17, said first reservoir 16, said second check valve 15, said economizer 11 and 3 ends, said second filter 6, said second electric expansion valve 5, said air side fins formula heat exchanger 4, said first cross valve 3, S1 end, said gas-liquid separator 21, said compressor 1 links to each other successively; 3 ends of said economizer 11 link to each other with said first throttle device 9,2 ends of said economizer 11 and the middle suction end of 4 ends, said compressor 1 successively;
When said first cross valve 3 must not get by electric and said second cross valve 2; And said second electric expansion valve, 5 apertures are 0 o'clock, and 1 end of the D2 of the exhaust end of said compressor 1 and said second cross valve 2, E2 end, said domestic hot-water's side heat exchanger 18, said second reservoir 19, said the 3rd filter 20, said the 3rd check valve 13, said economizer 11 and 3 ends, said first filter 7, said first electric expansion valve 10, said air-conditioning side heat exchanger 17, the E1 of said first cross valve 3 and the suction end of S1 end, said gas-liquid separator 21, said compressor 1 link to each other successively; 3 ends of said economizer 11 link to each other with said first throttle device 9,2 ends of said economizer 11 and the middle suction end of 4 ends, said compressor 1 successively;
When said first cross valve 3 all gets with said second cross valve 2; And said first electric expansion valve, 10 apertures are 0 o'clock, and the C1 of 1 end of the D2 of the exhaust end of said compressor 1 and said second cross valve 2, E2 end, said domestic hot-water's side heat exchanger 18, said second reservoir 19, said the 3rd check valve 13, said economizer 11 and 3 ends, said second filter 6, said second electric expansion valve 5, said air side fins formula heat exchanger 4, said first cross valve 3 links to each other with S1 end, said gas-liquid separator 21, said compressor 1 suction end; 3 ends of said economizer 11 link to each other with said first throttle device 9,2 ends of said economizer 11 and the middle suction end of 4 ends, said compressor 1 successively.
Of the present invention enough heating capacity and hot water abilities can be provided under low temperature environment, but and regulated at will, guarantee under low temperature environment, can satisfy the user to hot water with heat demand.
Concrete, said first throttle device 9 is any in heating power expansion valve, capillary and the electric expansion valve.
Concrete; Said the 3rd check valve 13 is parallel with bypass loop; Said bypass loop includes second throttling arrangement 12 and magnetic valve 14; One end of said the 3rd check valve 13 is connected with said second throttling arrangement 12, and the other end of said second throttling arrangement 12 is connected with an end of said magnetic valve 14, and the other end of said magnetic valve 14 is connected with the other end of said the 3rd check valve 13.
Concrete, said second throttling arrangement 12 is any in heating power expansion valve, capillary and the electric expansion valve.
Concrete, said compressor 1 increases the compressor 1 of enthalpy type for tonifying Qi.
Concrete, a side of said air side fins formula heat exchanger 4 is provided with blower fan.
Should be noted that at last; Above embodiment is only in order to explain technical scheme of the present invention; But not to the restriction of protection domain of the present invention, although with reference to preferred embodiment the present invention has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical scheme of the present invention.
Claims (6)
1. the full recovery type heat Air-Cooled Heat Pump Unit of low temperature is characterized in that: include compressor, gas-liquid separator, air side fins formula heat exchanger, first cross valve, second cross valve, economizer, first electric expansion valve, second electric expansion valve, first check valve, second check valve, the 3rd check valve, first throttle device, first reservoir, second reservoir, first filter, second filter, the 3rd filter, air-conditioning side heat exchanger and domestic hot-water's side heat exchanger; Wherein, said compressor includes suction end, exhaust end and middle suction end; Said air-conditioning side heat exchanger includes 1 end and 2 ends; Said domestic hot-water's side heat exchanger includes 1 end and 2 ends; Said economizer includes 1 end, 2 ends, 3 ends and 4 ends, and 1 end and 3 ends of said economizer are connected, and 2 ends and 4 ends of said economizer are connected;
The exhaust end of said compressor is connected with the D2 end of said second cross valve; The E2 end of said second cross valve is connected with 1 end of said domestic hot-water's side heat exchanger; The S2 end of said second cross valve is connected with the arrival end of said gas-liquid separator; The port of export of said gas-liquid separator is connected with the suction end of said compressor; The C2 end of said second cross valve is connected with the D1 end of said first cross valve; The E1 end of said first cross valve is connected with 2 ends of said air-conditioning side heat exchanger; The S1 end of said first cross valve is connected with the S2 end of said second cross valve and the arrival end of said gas-liquid separator respectively; The C1 end of said first cross valve is connected with an end of said air side fins formula heat exchanger, and the other end of said air side fins formula heat exchanger is connected with an end of said second electric expansion valve and an end of said first check valve respectively, and the other end of said second electric expansion valve is connected with an end of said second filter; The other end of said second filter is connected with an end of an end of said first filter, said first throttle device and 3 ends of said economizer respectively; The other end of said first filter is connected with an end of said first electric expansion valve, and the other end of said first electric expansion valve is connected with the arrival end of said first reservoir and 1 end of said air-conditioning side heat exchanger respectively, and the other end of said first throttle device is connected with 2 ends of said economizer; 4 ends of said economizer are connected with the middle suction end of said compressor; 1 end of said economizer is connected with an end of the other end of said first check valve, said second check valve and an end of said the 3rd check valve respectively, and the other end of said the 3rd check valve is connected with an end of said the 3rd filter, and the other end of said the 3rd filter is connected with an end of said second reservoir; The other end of said second reservoir is connected with 2 ends of said domestic hot-water's side heat exchanger, and the other end of said second check valve is connected with an end of said first reservoir;
When said first cross valve and said second cross valve all must not; And said second electronic expansion valve opening is 0 o'clock; The E1 of 1 end of the D1 of the D2 of the exhaust end of said compressor and said second cross valve, C2 end, said first cross valve, C1 end, said air side fins formula heat exchanger, said first check valve, said economizer and 3 ends, said first filter, said first electric expansion valve, said air-conditioning side heat exchanger, said first cross valve, S1 end, said gas-liquid separator, and the suction end of said compressor links to each other successively; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively;
When said first cross valve gets electric and said second cross valve must not; And said first electronic expansion valve opening is 0 o'clock, and the suction end of 1 end of the D1 of the D2 of the exhaust end of said compressor and said second cross valve, C2 end, said first cross valve, E1 end, said air-conditioning side heat exchanger, said first reservoir, said second check valve, said economizer and the C1 of 3 ends, said second filter, said second electric expansion valve, said air side fins formula heat exchanger, said first cross valve, S1 end, said gas-liquid separator, said compressor links to each other successively; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively;
When said first cross valve must not the electricity and said second cross valve get; And said second electronic expansion valve opening is 0 o'clock, and 1 end and the E1 of 3 ends, said first filter, said first electric expansion valve, said air-conditioning side heat exchanger, said first cross valve and the suction end of S1 end, said gas-liquid separator, said compressor of the D2 of the exhaust end of said compressor and said second cross valve, E2 end, said domestic hot-water's side heat exchanger, said second reservoir, said the 3rd filter, said the 3rd check valve, said economizer links to each other successively; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively;
When said first cross valve and said second cross valve all get; And said first electronic expansion valve opening is 0 o'clock, and the exhaust end of said compressor links to each other with S1 end, said gas-liquid separator, said compressor air suction end with D2, E2 end, said domestic hot-water's side heat exchanger, said second reservoir, said the 3rd check valve, 1 end of said economizer and the C1 of 3 ends, said second filter, said second electric expansion valve, said air side fins formula heat exchanger, said first cross valve of said second cross valve; 3 ends of said economizer link to each other with 2 ends of said first throttle device, said economizer and the middle suction end of 4 ends, said compressor successively.
2. the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature according to claim 1 is characterized in that: said first throttle device is any in heating power expansion valve, capillary and the electric expansion valve.
3. the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature according to claim 2; It is characterized in that: said the 3rd check valve is parallel with bypass loop; Said bypass loop includes second throttling arrangement and magnetic valve; One end of said the 3rd check valve is connected with said second throttling arrangement, and the other end of said second throttling arrangement is connected with an end of said magnetic valve, and the other end of said magnetic valve is connected with the other end of said the 3rd check valve.
4. the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature according to claim 3 is characterized in that: said second throttling arrangement is any in heating power expansion valve, capillary and the electric expansion valve.
5. the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature according to claim 1 is characterized in that: said compressor is the compressor that tonifying Qi increases the enthalpy type.
6. the full recovery type heat Air-Cooled Heat Pump Unit of a kind of low temperature according to claim 1 is characterized in that: a side of said air side fins formula heat exchanger is provided with blower fan.
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| CN201110458769.4A CN102635977B (en) | 2011-12-31 | 2011-12-31 | Low-temperature full-heat recycling type air-cooling heat pump set |
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| CN201110458769.4A CN102635977B (en) | 2011-12-31 | 2011-12-31 | Low-temperature full-heat recycling type air-cooling heat pump set |
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| CN102635977B CN102635977B (en) | 2014-01-22 |
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| CN103851760A (en) * | 2014-04-02 | 2014-06-11 | 深圳麦克维尔空调有限公司 | Low-temperature total heat recovery device |
| CN103968600A (en) * | 2013-01-25 | 2014-08-06 | 通用汽车环球科技运作有限责任公司 | Vehicle heat pump system and method utilizing intermediate gas recompression |
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| CN105928251A (en) * | 2016-05-06 | 2016-09-07 | 宁波工程学院 | Heat pump |
| CN105928250A (en) * | 2016-05-24 | 2016-09-07 | 浙江创能新能源科技有限公司 | Multifunctional heat pump water heater |
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