CN107477913A - Direct expanding solar heating pump system and its control method - Google Patents
Direct expanding solar heating pump system and its control method Download PDFInfo
- Publication number
- CN107477913A CN107477913A CN201710804506.1A CN201710804506A CN107477913A CN 107477913 A CN107477913 A CN 107477913A CN 201710804506 A CN201710804506 A CN 201710804506A CN 107477913 A CN107477913 A CN 107477913A
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- evaporator
- valve
- solar
- outlet
- gas
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 9
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000003507 refrigerant Substances 0.000 claims abstract description 28
- 239000006096 absorbing agent Substances 0.000 claims abstract description 26
- 230000008676 import Effects 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 238000010257 thawing Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003434 inspiratory effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/005—Machines, plants or systems, using particular sources of energy using solar energy in compression type systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention provides a kind of direct expanding solar heating pump system, including evaporator, gas-liquid separator, compressor, four-way valve, condenser, economizer, fluid reservoir and solar absorber plate, four ports of four-way valve respectively with evaporator outlet, gas-liquid separator import, compressor outlet connects with condenser inlet, gas-liquid separator outlet connects with compressor inlet, condensator outlet connects economizer inlet, economizer outlet fluid reservoir import, fluid reservoir exports the inlet communication with solar absorber plate, the outlet of solar absorber plate connects with evaporator, three-limb tube is provided with pipeline between four-way valve and condenser, capillary is connected with pipeline between three-limb tube and four-way valve, capillary connects the import of gas-liquid separator.Refrigerant absorbs the heat energy in solar absorber plate and evaporated, while coordinates evaporator together to be changed to refrigerant heat, improves evaporation efficiency.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of direct expanding solar heating pump system and its control method.
Background technology
Solar thermal collector and heat pump are simply simply integrated into hot water by existing solar energy heat pump system side by side
On device, two heating systems are non-interference, the refrigerant in heat pump is to circulate in the system, and solar thermal collector changes
Hot working fluid simply flows in the heat exchange pipeline.
Existing ultra-low temperature air source heat pump is when environment temperature is relatively low, and when producing high-temperature-hot-water, compressor air suction specific volume increases
Greatly, system coefficient of performance in heating declines, and economy reduces.Under the operating mode compared with low temperature, compressor exhaust temperature is too high, or even super
Go out the operating temperature range that compressor allows in itself, cause high frequent start-stop, system can not normal work, can be burnt when serious
Ruin compressor.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of direct expanding solar heating pump system
System and its control method, refrigerant is absorbed the heat energy in solar absorber plate and is evaporated, while coordinate evaporator together to refrigerant
Heat is changed, and improves evaporation efficiency.
The purpose of the present invention can be realized by following technical proposal：A kind of direct expanding solar heating pump system, including steam
Send out device, gas-liquid separator, compressor, four-way valve, condenser, economizer, fluid reservoir and solar absorber plate, it is characterised in that
Four ports of four-way valve connect with evaporator outlet, gas-liquid separator import, compressor outlet and condenser inlet respectively, gas
Liquid/gas separator outlet connects with compressor inlet, and condensator outlet connection economizer inlet, economizer outlet fluid reservoir enters
Mouthful, fluid reservoir outlet and the inlet communication of solar absorber plate, the outlet of solar absorber plate connects with evaporator, four
Pipeline between port valve and condenser is provided with three-limb tube, and defrost is connected between evaporator and three-limb tube
Circulation line, defrost circulation line is provided with the 3rd magnetic valve and the second check valve, between three-limb tube and four-way valve
Capillary is connected with pipeline, capillary connects the import of gas-liquid separator.
This direct expanding solar heating pump system is using solar energy and the double thermal source heating of air source heat pump, has and is carried to user
For the function of indoor heating and offer hot water for life.Refrigerant first passes through solar energy heat absorbing before heat energy is absorbed by evaporator
Plate, the heat in solar absorber plate is siphoned away, make refrigerant higher than evaporator effectiveness with rapid evaporation.
Further, it is connected with the first magnetic valve on the pipeline between capillary and gas-liquid separator.
The purpose for setting capillary is that the operating mode of the product of existing market at subzero 20 DEG C, economizer, which mends enthalpy, to expire
Foot requires, but just occurs that economizer is mended enthalpy and can not meet when less than subzero 20 DEG C, so having added capillary zero
At lower 20 DEG C, the first magnetic valve is opened, returns a part of refrigerant, improves the suction temperature of compressor, increases inspiratory capacity, reduces compression
Machine high-low pressure ratio is poor, and system is more stable, more efficient, protects compressor, prevents compressor from being scrapped because live load is too big.
Further, second solenoid valve is provided with the pipeline between three-limb tube and condenser.
Further, the 4th magnetic valve and the second electric expansion valve are provided with the pipeline between condenser and economizer.
Further, flowed between fluid reservoir and evaporator provided with the first electric expansion valve and cooling matchmaker towards evaporator
3rd check valve.
Further, the first check valve is set in the outlet of solar absorber plate, set in the import of solar absorber plate
3rd electric expansion valve.
Further, the outlet of the economizer passes through pipeline connection with compressor inlet.Carry out the high pressure liquid of condenser
State refrigerant is divided into two parts after economizer is entered, and a part is further cooled down by throttling in a manner of heat expands,
The temperature of reduction another part is gone, makes its supercooling, this subcooled liquid settled out directly enters evaporator system by fluid reservoir
It is cold.And the uncooled gaseous coolant of another part reenters compressor continuation by economizer and the connecting pipe of compressor
Compression, into circulation.Stablize liquid refrigerants by way of swell refrigeration, to improve power system capacity and efficiency.
A kind of direct expanding solar heating pump system control method, it is characterised in that comprise the following steps that：
(1) control of double thermals source：Solar energy and the double thermals source of air source heat pump provide heat, cold when there is solar energy irradiation
Matchmaker is evaporated in solar heat-collection plate and evaporator, and when without solar irradiation, refrigerant evaporates in evaporator；
The control of (2) the 3rd electric expansion valves：The refrigerant that valve enters solar heat-collection plate passes through the 3rd electric expansion valve
Aperture is controlled, and when the temperature of detection solar heat-collection plate is more than the temperature of setting, the 3rd electric expansion valve is opened, when detecting
Temperature is less than design temperature, and the 3rd electric expansion valve is closed；
(3) defrosting control：When temperature reaches the operating mode of defrost, the 3rd magnetic valve is automatically opened up, evaporator is by single
Defrost circulation line is by returning to four-way valve；
The control of (4) first magnetic valves：When environment temperature is less than -20 DEG C, system refrigerant is after evaporator heat absorption evaporation
Compressor is entered by gas-liquid separator, entering condenser by the gaseous coolant of HTHP after compressor compresses carries out heat release,
It can be separated among pipeline between four-way valve enters three-limb tube and return to gas-liquid separator all the way, then return compression
Machine, this road are controlled by the first magnetic valve.
Compared with prior art, this direct expanding solar heating pump system and its control method have advantages below：
1. when sunny, flowed using solar absorber plate in assisted heat pump system
Refrigerant evaporation, improve evaporation efficiency；
, can automatic defrosting at low temperature 2. have defrost circulation line；
3. having capillary, a part of refrigerant can be returned to gas under less than -20 DEG C environment
Liquid/gas separator, the suction temperature of compressor is improved, increase inspiratory capacity, reduce compression
Machine high-low pressure ratio is poor, and system is more stable, more efficient, protects compressor, prevents
Compressor is scrapped because live load is too big.
Brief description of the drawings
Fig. 1 is the structural representation of this direct expanding solar heating pump system.
In figure, 1, evaporator；2nd, gas-liquid separator；3rd, compressor；4th, four-way valve；5th, condenser；6th, economizer；7th, liquid storage
Tank；8th, solar absorber plate；9th, three-limb tube；10th, defrost circulation line；11st, the 3rd magnetic valve；12nd, the second check valve；
13rd, capillary；14th, the first magnetic valve；15th, second solenoid valve；16th, the 4th magnetic valve；17th, the second electric expansion valve；18th, first
Electric expansion valve；19th, the 3rd check valve；20th, the first check valve；21st, the 3rd electric expansion valve.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, this direct expanding solar heating pump system includes evaporator 1, gas-liquid separator 2, compressor 3, four-way
Valve 4, condenser 5, economizer 6, fluid reservoir 7 and solar absorber plate 8, four ports of four-way valve 4 go out with evaporator 1 respectively
Mouth, the import of gas-liquid separator 2, compressor 3 exports and the inlet communication of condenser 5, the outlet of gas-liquid separator 2 and the import of compressor 3
Connection, the import of 5 outlet economizer of condenser 6, the import of 6 outlet fluid reservoir of economizer 7, fluid reservoir 7 exports and the sun
Can absorber plate 8 inlet communication, the outlet of solar absorber plate 8 and the inlet communication of evaporator 1, four-way valve 4 and condenser 5 it
Between pipeline be provided with three-limb tube 9, defrost circulation line 10 is connected between the import of evaporator 1 and three-limb tube 9,
Defrost circulation line 10 is provided with the 3rd magnetic valve 11 and the second check valve 12, the pipe between three-limb tube 9 and four-way valve 4
Capillary 13 is connected with road, capillary 13 connects the import of gas-liquid separator 2.
Specifically, the first magnetic valve 14 is connected with the pipeline between capillary 13 and gas-liquid separator 2.Hair is set
The purpose of tubule 13 is, the operating mode of the product of existing market at subzero 20 DEG C, economizer 6, which mends enthalpy, can also meet to require, still
Just occur that economizer 6 is mended enthalpy and can not meet when less than subzero 20 DEG C, so added capillary 13 at subzero 20 DEG C,
The first magnetic valve 14 is opened, returns a part of refrigerant, improves the suction temperature of compressor 3, increases inspiratory capacity, it is high to reduce compressor 3
Low-pressure ratio is poor, and system is more stable, more efficient, protects compressor 3, prevents compressor 3 from being scrapped because live load is too big.
Second solenoid valve 15 is provided with pipeline between three-limb tube 9 and condenser 5.
The 4th magnetic valve 16 and the second electric expansion valve 17 are provided with pipeline between condenser 5 and economizer 6.
The 3rd flowed between fluid reservoir 7 and evaporator 1 provided with the first electric expansion valve 18 and cooling matchmaker towards evaporator 1
Check valve 19.
First check valve 20 is set in the outlet of solar absorber plate 8, the 3rd electricity is set in the import of solar absorber plate 8
Sub- expansion valve 21.
The outlet of the economizer 6 passes through pipeline connection with the import of compressor 3.Carry out the high-pressure liquid refrigerant of condenser 5
It is divided into two parts after economizer 6 is entered, a part is further cooled down in a manner of heat expands by throttling, goes to drop
The temperature of low another part, its supercooling is made, this subcooled liquid settled out directly enters evaporator 1 by fluid reservoir 7 and freezed.
And the uncooled gaseous coolant of another part is reentered compressor 3 and continued by economizer 6 and the connecting pipe of compressor 3
Compression, into circulation.Stablize liquid refrigerants by way of swell refrigeration, to improve power system capacity and efficiency.
This direct expanding solar heating pump system control method, is comprised the following steps that：
(1) control of double thermals source：Solar energy and the double thermals source of air source heat pump provide heat, cold when there is solar energy irradiation
Matchmaker is evaporated in solar heat-collection plate and evaporator 1, and when without solar irradiation, refrigerant evaporates in evaporator 1；
The control of (2) the 3rd electric expansion valves 21：The refrigerant that valve enters solar heat-collection plate passes through the 3rd electric expansion valve
21 aperture is controlled, and when the temperature of detection solar heat-collection plate is more than the temperature of setting, the 3rd electric expansion valve 21 is opened, when
Detect that temperature is less than design temperature, the 3rd electric expansion valve 21 is closed；
(3) defrosting control：When temperature reaches the operating mode of defrost, the 3rd magnetic valve 11 is automatically opened up, evaporator 1 is by independent
Defrost circulation line 10 by returning to four-way valve 4；
The control of (4) first magnetic valves 14：When environment temperature is less than -20 DEG C, system refrigerant is by the heat absorption evaporation of evaporator 1
Compressor 3 is entered by gas-liquid separator 2 afterwards, the gaseous coolant of HTHP is carried out into condenser 5 after being compressed by compressor 3
Heat release, it can be separated among the pipeline that four-way valve 4 is entered between three-limb tube 9 and return to gas-liquid separator 2, Ran Houzai all the way
Compressor 3 is returned to, this road is controlled by the first magnetic valve 14.
This direct expanding solar heating pump system is using solar energy and the double thermal source heating of air source heat pump, has and is carried to user
For the function of indoor heating and offer hot water for life.Refrigerant first passes through solar energy heat absorbing before heat energy is absorbed by evaporator 1
Plate 8, the heat in solar absorber plate 8 is siphoned away, make refrigerant more efficient than evaporator 1 with rapid evaporation.Compressor 3
The aperture of the 3rd electric expansion valve 21 is controlled after startup according to the temperature of solar absorber plate 8 and the suction temperature of compressor 3.When too
When positive energy absorber plate 8 temperature is less than -10 DEG C, the 3rd electric expansion valve 21 is closed, and refrigerant enters directly into evaporator 1.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (8)
1. a kind of direct expanding solar heating pump system, including evaporator, gas-liquid separator, compressor, four-way valve, condenser, warp
Help device, fluid reservoir and solar absorber plate, it is characterised in that four ports of four-way valve are divided with evaporator outlet, gas-liquid respectively
Connected from device import, compressor outlet with condenser inlet, gas-liquid separator outlet connects with compressor inlet, condensator outlet
Economizer inlet, economizer outlet fluid reservoir import, fluid reservoir outlet and the inlet communication of solar absorber plate are connected, too
The outlet of positive energy absorber plate is connected with evaporator, and three-limb tube is provided with the pipeline between four-way valve and condenser,
Be connected with defrost circulation line between evaporator and three-limb tube, defrost circulation line be provided with the 3rd magnetic valve and
Second check valve, capillary, capillary connection gas-liquid separator are connected with the pipeline between three-limb tube and four-way valve
Import.
2. direct expanding solar heating pump system according to claim 1, it is characterised in that in capillary and gas-liquid separator
Between pipeline on be connected with the first magnetic valve.
3. direct expanding solar heating pump system according to claim 2, it is characterised in that in three-limb tube and condenser
Between pipeline be provided with second solenoid valve.
4. direct expanding solar heating pump system according to claim 3, it is characterised in that between condenser and economizer
Pipeline be provided with the 4th magnetic valve and the second electric expansion valve.
5. direct expanding solar heating pump system according to claim 4, it is characterised in that between fluid reservoir and evaporator
The 3rd check valve flowed provided with the first electric expansion valve and cooling matchmaker towards evaporator.
6. direct expanding solar heating pump system according to claim 5, it is characterised in that in the outlet of solar absorber plate
First check valve is set, the 3rd electric expansion valve is set in the import of solar absorber plate.
7. direct expanding solar heating pump system according to claim 6, it is characterised in that the outlet of the economizer and pressure
Contracting machine import passes through pipeline connection.
8. a kind of direct expanding solar heating pump system control method, it is characterised in that comprise the following steps that：
(1) control of double thermals source：Solar energy and the double thermals source of air source heat pump provide heat, and when there is solar energy irradiation, refrigerant exists
Evaporated in solar heat-collection plate and evaporator, when without solar irradiation, refrigerant evaporates in evaporator；
The control of (2) the 3rd electric expansion valves：Valve enters the aperture that the refrigerant of solar heat-collection plate passes through the 3rd electric expansion valve
To control, when the temperature of detection solar heat-collection plate is more than the temperature of setting, the 3rd electric expansion valve is opened, when detecting temperature
Less than design temperature, the 3rd electric expansion valve is closed；
(3) defrosting control：When temperature reaches the operating mode of defrost, the 3rd magnetic valve is automatically opened up, evaporator is by single defrost
Circulation line is by returning to four-way valve；
The control of (4) first magnetic valves：When environment temperature is less than -20 DEG C, system refrigerant is after evaporator heat absorption evaporation by gas
Liquid/gas separator enters compressor, and entering condenser by the gaseous coolant of HTHP after compressor compresses carries out heat release, four
It can be separated among the pipeline that port valve is entered between three-limb tube and return to gas-liquid separator all the way, then return compressor,
This road is controlled by the first magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804506.1A CN107477913A (en) | 2017-09-08 | 2017-09-08 | Direct expanding solar heating pump system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804506.1A CN107477913A (en) | 2017-09-08 | 2017-09-08 | Direct expanding solar heating pump system and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477913A true CN107477913A (en) | 2017-12-15 |
Family
ID=60584327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710804506.1A Pending CN107477913A (en) | 2017-09-08 | 2017-09-08 | Direct expanding solar heating pump system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477913A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553421A (en) * | 2018-05-30 | 2019-12-10 | 酒泉蓝能太空能科技有限公司 | solar air energy heat pump unit |
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|---|---|---|---|---|
| JP2004361074A (en) * | 2003-05-30 | 2004-12-24 | Seek Young Jeong | Boiler system for heating and hot water supply using solar heat |
| CN201666698U (en) * | 2009-12-31 | 2010-12-08 | 海信科龙电器股份有限公司 | Air conditioner capable of increasing low-temperature heating quantity |
| CN203231419U (en) * | 2013-04-07 | 2013-10-09 | 广东美的制冷设备有限公司 | Air conditioner |
| CN104006574A (en) * | 2014-05-23 | 2014-08-27 | 清华大学 | Compound solar air source heat pump |
| CN106352612A (en) * | 2016-09-19 | 2017-01-25 | 广州春光新能源科技发展有限公司 | Solar-air-energy refrigerating/heating air conditioning unit applicable to ultralow temperature |
| CN106524502A (en) * | 2016-12-19 | 2017-03-22 | 西安交通大学 | Direct-expansion solar-assisted ejector synergistic heat pump hot water system and control method |
| CN207146974U (en) * | 2017-09-08 | 2018-03-27 | 浙江智恩电子科技有限公司 | Direct expanding solar heating pump system |
-
2017
- 2017-09-08 CN CN201710804506.1A patent/CN107477913A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004361074A (en) * | 2003-05-30 | 2004-12-24 | Seek Young Jeong | Boiler system for heating and hot water supply using solar heat |
| CN201666698U (en) * | 2009-12-31 | 2010-12-08 | 海信科龙电器股份有限公司 | Air conditioner capable of increasing low-temperature heating quantity |
| CN203231419U (en) * | 2013-04-07 | 2013-10-09 | 广东美的制冷设备有限公司 | Air conditioner |
| CN104006574A (en) * | 2014-05-23 | 2014-08-27 | 清华大学 | Compound solar air source heat pump |
| CN106352612A (en) * | 2016-09-19 | 2017-01-25 | 广州春光新能源科技发展有限公司 | Solar-air-energy refrigerating/heating air conditioning unit applicable to ultralow temperature |
| CN106524502A (en) * | 2016-12-19 | 2017-03-22 | 西安交通大学 | Direct-expansion solar-assisted ejector synergistic heat pump hot water system and control method |
| CN207146974U (en) * | 2017-09-08 | 2018-03-27 | 浙江智恩电子科技有限公司 | Direct expanding solar heating pump system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553421A (en) * | 2018-05-30 | 2019-12-10 | 酒泉蓝能太空能科技有限公司 | solar air energy heat pump unit |
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Application publication date: 20171215 |