CN105972680B - Solar energy indoor heating system - Google Patents
Solar energy indoor heating system Download PDFInfo
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- CN105972680B CN105972680B CN201610404168.8A CN201610404168A CN105972680B CN 105972680 B CN105972680 B CN 105972680B CN 201610404168 A CN201610404168 A CN 201610404168A CN 105972680 B CN105972680 B CN 105972680B
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
Present invention is disclosed a kind of control methods of solar energy indoor heating system, solar energy indoor heating system includes heat collection unit, layering water tank, intermediate water tank and indoor heating unit, the advantage of the invention is that system occupies, power is small, and heating rate is high, can effectively be utilized to hot water.
Description
Technical field
The present invention relates to field of solar energy.
Background technology
Solar energy refers to the infrared radiant energy of the sun, and main performance is exactly the sunray often said.It is typically used as sending out in the modern times
Electricity provides the energy for water heater, and in field of water heaters, current solar energy indoor heating system is although efficient, still
It is mostly monomer structure, and heat collection unit takes up a large area.
Invention content
The technical problem to be solved by the present invention is to realize that a kind of heat collection unit occupies little space, the high sun of heating efficiency
It can system.
To achieve the goals above, the technical solution adopted by the present invention is：Solar energy indoor heating system, including thermal-arrest list
Member, layering water tank, intermediate water tank and indoor heating unit；
Heat collection unit includes subset heat pipeline, collecting plate and protective glass, and the protective glass is intermediate with gap
Double glazing, the collecting plate are placed in the gap of protective glass, and described collecting plate a side is stretched out protective glass and is fixed on
On subset heat pipeline；
The attemperater of the layering water tank is equipped with water intaking interface, moisturizing interface and return water interface, the heat preservation water
The interconnected water space of multilayer is separated by hot water demixing plate in case, is equipped with the water level of hollow out in the attemperater vertically
Channel is equipped with floating ball in the water level channel, and the hose being connect with interface of fetching water is fixed on the floating ball；
There is insulating layer, subset heat pipeline both ends pass through inlet pipeline and water return pipeline respectively outside the intermediate water tank
It is connected to intermediate water tank, the water return pipeline is equipped with circulating pump, and the intermediate water tank connects water source by water supply line, and leads to
It crosses the pipeline with water compensating valve to connect with the moisturizing interface of layering water tank, passes through pipeline and layering water tank with back water pump
Return water interface connection, the intermediate water tank be located at layering water tank above；
The indoor heating unit is equipped with lower layer's thermal insulation board and upper layer heat-conducting plate, is equipped between the thermal insulation board and heat-conducting plate
The water inlet of heat supply pipeline, the heat supply pipeline connects layering water tank intake interface, the draining of the heat supply pipeline through pipeline
Mouth connects layering water tank and drainage pipeline through three-way magnetic valve.
System is equipped with electric control gear, and the electric control gear includes controller, is arranged in the water storage water level being layered in water tank
Sensor and water storage temperature sensor, be arranged intermediate water tank interior mid water levels sensor and medium temperature sensor, set
It sets and is passed in the water pump of water intaking interface, the circulating valve being arranged on inlet pipeline, the heat-collecting temperature that is arranged on subset heat pipeline
Sensor is arranged in the water source valve of water supply line, the temperature at discharging condensate sensor being arranged at discharge outlet, the three-way magnetic valve, returns
Water pump and water compensating valve；
The water storage water level sensor, water storage temperature sensor, mid water levels sensor, medium temperature sensor, thermal-arrest
Temperature sensor, temperature at discharging condensate sensor output signal to controller, and the controller output executes signal to water pump, cycle
Valve, water source valve, water compensating valve, back water pump and three-way magnetic valve.
The water storage water level sensor and water storage temperature sensor are arranged on floating ball, and the user is equipped with alarm with water end (W.E.)
And display device.
The heat collection unit is equipped with multiple, and the subset heat pipeline of adjacent heat collection unit is connected to end, and is located at head and the tail
Heat collection unit is connected to inlet pipeline and water return pipeline respectively.
The collecting plate is in wavy, and inclined-plane is towards oblique upper.
The edge glue of the subset heat pipeline and protective glass seals.
The protective glass is the sealed double glazing of an only side opening.
Support construction is equipped between the indoor heating unit thermal insulation board and heat-conducting plate, the heat supply pipeline is fixed on heat conduction
Plate medial surface, the gap filling between the thermal insulation board and heat-conducting plate have thermal insulation material, the indoor heating unit to be mounted on room
Interior floor regional area, bed board or desktop.
Based on the control method of solar energy indoor heating system, electric control gear control method is as follows：
User's heating control method：
After receiving heating signal, judge to be layered whether water level and water temperature in water tank all reach water intaking preset value；
If water level or water temperature all do not reach preset value, do not start water pump, and alarm；
If water level and water temperature all reach preset value, start water pump, and open three-way magnetic valve, if temperature at discharging condensate senses
The temperature that device receives is less than preset value temperature, then water is delivered to drainage pipeline by three-way magnetic valve, if temperature at discharging condensate sensor
The temperature received is higher than preset value temperature, then water is delivered to layering water tank by three-way magnetic valve；
If water level or water temperature in layering water tank be reduced to water intaking preset value hereinafter, if close water pump, three-way magnetic valve
And it alarms；During water intaking, if user actively cancels heating, water pump and three-way magnetic valve are closed；
It is layered water tank method for supplementing water：
Intermediate water tank send the water, condition to include to layering water tank when meeting following full terms：Water temperature is big in intermediate water tank
It is less than threshold value in threshold value, layering water storage tank water level；
Intermediate water tank method for supplementing water：
After completing a secondary clearing water tank moisturizing, if layering water tank water temperature is less than threshold value, water tank is layered to centre
Water container backwater；If being layered water tank water temperature is higher than threshold value, water source is to intermediate water tank moisturizing；
Heat collection unit heating means：
If water temperature is less than threshold value in subset heat pipeline, or is layered water level in water tank and meets or exceeds upper limit value, then close
Closed loop pumps and circulating valve；
If water temperature is higher than threshold value in subset heat pipeline, and is layered water level in water tank and is less than upper limit value, then open the circulation pump
And circulating valve.
The advantage of the invention is that system occupies, power is small, and heating rate is high, can effectively be utilized to hot water.
Description of the drawings
The content of every width attached drawing expression in description of the invention and the label in figure are briefly described below：
Fig. 1 is system pipeline connection diagram；
Fig. 2 is layering storage tank structure schematic diagram；
Fig. 3,4 are heat collection unit structural schematic diagram；
Label in above-mentioned figure is：1, heat collection unit；2, it is layered water tank；3, intermediate water tank；4, indoor heating unit；
11, subset heat pipeline；12, collecting plate；13, protective glass；
21, attemperater；22, water intaking interface；23, hose；24, floating ball；24, water level channel；26, moisturizing interface；27, hot
Moisture laminate；28, return water interface.
Specific implementation mode
Solar energy indoor heating system, including heat collection unit 1, layering water tank 2, indoor heating unit 4 and intermediate water tank
3, each unit is described in detail below：
Heat collection unit 1 includes subset heat pipeline 11, collecting plate 12 and protective glass 13, and wherein protective glass 13 is intermediate tool
It is the sealed double glazing of an only side opening to have the double glazing in gap, protective glass 13, and subset heat pipeline 11 is copper tube, collection
Hot plate 12 is rolled up overlay on subset heat pipeline 11 on one side, and the heat that collecting plate 12 absorbs can be for delivery on subset heat pipeline 11.Collection
Hot plate 12 is inserted into the gap of protective glass 13, fixed reliable between subset heat pipeline 11 and protective glass 13 to ensure, son
Heat collecting pipeline 11 and the edge glue of protective glass 13 seal.
Subset heat pipeline 11 is located at the outside of protective glass 13, and only collecting plate 12 is placed into protective glass 13, can
Make that protective glass 13 is thinner, cost of manufacture is also very low, can also facilitate and be connected with each other between adjacent subset heat pipeline 11, in addition,
12 color of collecting plate is unified, and protective glass 13 is made from the appearance to be no different with conventional exterior wall glass, in this way can be by heat collection unit 1
It is used as curtain wall unit, large area is covered in building surface.
If being used as curtain wall, heat collection unit 1 is vertically arranged, to improve Heat-collecting effect, collecting plate 12 is in wavy, tiltedly
It faces obliquely upward, absorption heat that can be more preferable, more efficient.
The attemperater 21 for being layered water tank 2 is equipped with water intaking interface 22, moisturizing interface 26 and return water interface 28, keeps the temperature water
Has insulating layer outside case 21, for storing hot water, attemperater 21 is interior to be separated into what multilayer was interconnected by hot water demixing plate 27
Water space, hot water demixing plate 27 is horizontally disposed, and the communication port of adjacent heat moisture laminate 27 is alternately distributed, i.e. a hot water point
Laminate 27 is fixed on 2 inner wall side of layering water tank, then the hot water demixing plate 27 for being located at about the 27 hot water demixing plate is fixed on
It is layered the other side of 2 inner wall of water tank, thermal convection current can be reduced as far as possible in this way, ensures layering 2 TNE UPPER SEA TEMPERATURE of water tank.
The water level channel 25 of hollow out is equipped in attemperater 21 vertically, is equipped with floating ball 24 in water level channel 25, on floating ball 24
It is fixed with the hose 23 being connect with water intaking interface 22, upper layer hot water can be collected always by floating ball 24 in this way, ensures water intaking
Heat.
In addition, 21 top of attemperater is equipped with relief valve, avoid pressure in attemperater 21 excessive, meanwhile, interface of fetching water
22 and moisturizing interface 26 be located at 21 top of attemperater, return water interface 28 is located at 21 bottom of attemperater.
There is insulating layer outside intermediate water tank 3, heat water for transfer, 11 both ends of subset heat pipeline pass through inlet pipeline respectively
It is connected to water return pipeline with intermediate water tank, constitutes heat cycles (water cycle), water return pipeline is equipped with circulating pump, intermediate water tank 3
Water source is connected by water supply line, and is connect with the moisturizing interface of layering water tank 2 by the pipeline with water compensating valve, tool is passed through
There is the pipeline of back water pump to be connect with the return water interface of layering water tank 2, intermediate water tank 3 is located at 2 top of layering water tank.
In order to which large area exchanges heat, heat collection unit 1 is equipped with multiple, 11 head and the tail of subset heat pipeline of adjacent heat collection unit 1
It is connected, the heat collection unit 1 for being located at head and the tail is connected to inlet pipeline and water return pipeline respectively.
Indoor heating unit 4 is equipped with lower layer's thermal insulation board and upper layer heat-conducting plate, and heat-conducting plate is used to distribute heat to top, every
Hot plate avoids heat waste, support construction, energy is equipped between thermal insulation board and heat-conducting plate for preventing heat to be dispersed into ground downwards
Enough make entire 4 resistance to compression of indoor heating unit, is applicable to Anywhere, internal heat supply pipeline is avoided to be extruded booster.
Between thermal insulation board and heat-conducting plate be equipped with heat supply pipeline, heat supply pipeline in S shapes be distributed in indoor heating unit 4
Interior, heat supply pipeline is fixed on heat-conducting plate medial surface, can preferably carry out heat transfer, and the water inlet of heat supply pipeline is connected through pipeline
It is layered the water intaking interface 22 of water tank 2, indoor heating unit 4 is heated by the hot water being layered in water tank 2, heat supply pipeline
Discharge outlet connect layering water tank 2 and drainage pipeline through three-way magnetic valve, be equipped with temperature at discharging condensate sensor at discharge outlet, pass through
The cold water discharge that drainage pipeline can will accumulate in early period pipe, will not be back to layering water tank 2, and be warm water or heat in the pipe
When water, layering 2 Reusability hot water of water tank can be recycled to.To further increase heat preservation and heating effect, thermal insulation board and lead
Gap filling between hot plate has thermal insulation material.
Indoor heating unit 4 can be mounted in indoor floor regional area, bed board or desktop, due to solar heating
Heat is limited by sunlight, therefore indoor heating unit 4 is difficult to meet indoor large-area floor heating demand, to make full use of the sun
Can, can the indoor heating unit of floor regional area installation indoors 4, such as have a meal region, parlor of dining room receive a visitor region, children
It plays region etc..
System is equipped with electric control gear, and electric control gear includes controller, is arranged in the water storage level sensor being layered in water tank 2
Device and water storage temperature sensor, the temperature at discharging condensate sensor being arranged at discharge outlet, are arranged the interior intermediate water in intermediate water tank 3
Level sensor and medium temperature sensor, be arranged water intaking interface 22 water pump, be arranged on inlet pipeline circulating valve, set
Set the heat-collecting temperature sensor on subset heat pipeline 11, be arranged the water source valve in water supply line, the back water pump, water compensating valve and
Three-way magnetic valve；Wherein water level sensor, water storage temperature sensor, water level sensor, medium temperature sensor, heat-collecting temperature pass
Sensor outputs signal to controller, and the controller output executes signal to water pump, circulating valve, water source valve, water compensating valve, return water
Pump.In addition, water storage water level sensor and water storage temperature sensor are arranged on floating ball 24, can more accurately acquire water temperature and
Water level, user is equipped with alarm and display device with water end (W.E.), for prompting user's aqueous condition and prompt, display device that can show
The water temperature and water level being layered in water tank 2.
It is as follows using control method based on the electric control gear in above system and system：
User's heating control method：
After receiving heating signal, judge to be layered whether water level and water temperature in water tank 2 all reach water intaking preset value, fetches water
Preset value includes two parameters of temperature and water level, can be set as needed；
If water level or water temperature all do not reach preset value, do not start water pump, and alarm, as long as there are one not for two strips
Meet, then do not supply water, ensure user's water quality, it is of course possible to temperature and water level indicating is used for, in the indoor display dress of display
Display is set, if water level meets condition, and only temperature is not high enough, after user determines again, can provide water at low temperature；
If water level and water temperature all reach preset value, start water pump, and open three-way magnetic valve, if temperature at discharging condensate senses
The temperature that device receives is less than preset value temperature, then water is delivered to drainage pipeline by three-way magnetic valve, if temperature at discharging condensate sensor
The temperature received is higher than preset value temperature, then water is delivered to layering water tank by three-way magnetic valve；
During water intaking, if user actively cancels water intaking, water pump and three-way magnetic valve are closed；If being layered water tank
Water level or water temperature are reduced to water intaking preset value hereinafter, then closing water pump, three-way magnetic valve and alarming in 2, ensure water utilizing process
In quality；
It is layered 2 method for supplementing water of water tank：
Intermediate water tank 3 send the water, condition to include to layering water tank 2 when meeting following full terms：Water temperature in intermediate water tank 3
It is less than threshold value more than threshold value, layering 2 water level of water tank；Water in intermediate water tank 3 is all delivered to layering water storage by each moisturizing
Case 2 opens water compensating valve, and closes water compensating valve after time rating；
3 method for supplementing water of intermediate water tank：
It is carried out after each completion layering 2 watering step of water tank, i.e., water compensating valve starts to judge after closing, if layering water storage
2 water temperature of case be less than threshold value, layering water tank 2 to 3 return water of intermediate water tank, that is, start back water pump, in this way can long-time regardless of
In layer water tank 2 in the case of water, the water for being layered water tank 2 is heated again, avoids wasting；If being layered 2 water of water tank
Temperature is higher than threshold value, water source valve is opened, water source valve can be flow valve, can control in injection in water source to 3 moisturizing of intermediate water tank
Between water tank 3 amount；
1 heating means of heat collection unit：
If temperature is less than threshold value in subset heat pipeline 11, or is layered water level in water tank 2 and meets or exceeds upper limit value, then
Close circulating pump and circulating valve, when temperature is less than threshold value in subset heat pipeline 11, be closed at night subset heat pipeline 11 plus
The passage of heat avoids the heat in intermediate water tank 3 from distributing；Water level meets or exceeds upper limit value in layering water tank 2, then it represents that
Layering water tank 2 has stored full hot water, and reheating water can not be injected into layering water tank 2, if if open the circulation pump
Waste electric energy；
If temperature is higher than threshold value in subset heat pipeline 11, and is layered water level in water tank 2 and is less than upper limit value, then ON cycle
Pump and circulating valve.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (7)
1. the control method of solar energy indoor heating system, it is characterised in that：Solar energy indoor heating system include heat collection unit,
It is layered water tank, intermediate water tank and indoor heating unit；
Heat collection unit includes subset heat pipeline, collecting plate and protective glass, and the protective glass is the intermediate bilayer with gap
Glass, the collecting plate are placed in the gap of protective glass, and described collecting plate a side stretches out protective glass and is fixed on subset
On heat pipeline；
The attemperater of the layering water tank is equipped with water intaking interface, moisturizing interface and return water interface, in the attemperater
The interconnected water space of multilayer is separated by hot water demixing plate, the water level for being equipped with hollow out in the attemperater vertically is logical
Road is equipped with floating ball in the water level channel, and the hose being connect with interface of fetching water is fixed on the floating ball；
There is insulating layer, subset heat pipeline both ends are respectively by inlet pipeline and water return pipeline in outside the intermediate water tank
Between water tank be connected to, the water return pipeline is equipped with circulating pump, and the intermediate water tank connects water source by water supply line, and passes through tool
There is the pipeline of water compensating valve to be connect with the moisturizing interface of layering water tank, passes through time of pipeline and layering water tank with back water pump
Water interface connects, and the intermediate water tank is located above layering water tank；
The indoor heating unit is equipped with lower layer's thermal insulation board and upper layer heat-conducting plate, and heat supply is equipped between the thermal insulation board and heat-conducting plate
The water inlet of pipeline, the heat supply pipeline connects layering water tank intake interface, the discharge outlet warp of the heat supply pipeline through pipeline
Three-way magnetic valve connection layering water tank and drainage pipeline；
System is equipped with electric control gear, and the electric control gear includes controller, is arranged in the water storage level sensor being layered in water tank
Device and water storage temperature sensor are arranged and exist in the interior mid water levels sensor and medium temperature sensor of intermediate water tank, setting
Fetch water interface water pump, be arranged on inlet pipeline circulating valve, be arranged on subset heat pipeline heat-collecting temperature sensor,
Be arranged the water source valve of water supply line, the temperature at discharging condensate sensor being arranged at discharge outlet, the three-way magnetic valve, back water pump and
Water compensating valve；
The water storage water level sensor, water storage temperature sensor, mid water levels sensor, medium temperature sensor, heat-collecting temperature
Sensor, temperature at discharging condensate sensor output signal to controller, the controller output execute signal to water pump, circulating valve,
Water source valve, water compensating valve, back water pump and three-way magnetic valve；
Control method based on the solar energy indoor heating system, it is characterised in that：Electric control gear control method is as follows：
User's heating control method：
After receiving heating signal, judge to be layered whether water level and water temperature in water tank all reach water intaking preset value；
If water level or water temperature all do not reach preset value, do not start water pump, and alarm；
If water level and water temperature all reach preset value, start water pump, and open three-way magnetic valve, if temperature at discharging condensate sensor connects
The temperature received is less than preset value temperature, then water is delivered to drainage pipeline by three-way magnetic valve, if temperature at discharging condensate sensor receives
The temperature arrived is higher than preset value temperature, then water is delivered to layering water tank by three-way magnetic valve；
If water level or water temperature in layering water tank be reduced to water intaking preset value hereinafter, if close water pump, three-way magnetic valve and report
It is alert；During water intaking, if user actively cancels heating, water pump and three-way magnetic valve are closed；
It is layered water tank method for supplementing water：
Intermediate water tank send the water, condition to include to layering water tank when meeting following full terms：Water temperature is more than threshold in intermediate water tank
Value, layering water storage tank water level are less than threshold value；
Intermediate water tank method for supplementing water：
After completing a secondary clearing water tank moisturizing, if layering water tank water temperature is less than threshold value, water tank is layered to intermediate water tank
Return water；If being layered water tank water temperature is higher than threshold value, water source is to intermediate water tank moisturizing；
Heat collection unit heating means：
If water temperature is less than threshold value in subset heat pipeline, or is layered water level in water tank and meets or exceeds upper limit value, then closes and follow
Ring pumps and circulating valve；
If water temperature is higher than threshold value in subset heat pipeline, and is layered water level in water tank and is less than upper limit value, then open the circulation pump and follow
Ring valve.
2. control method according to claim 1, it is characterised in that：The water storage water level sensor and water storage temperature sensing
Device is arranged on floating ball, and user's is equipped with alarm and display device with water end (W.E.).
3. control method according to claim 2, it is characterised in that：The heat collection unit is equipped with multiple, adjacent thermal-arrests
The subset heat pipeline of unit is connected to end, and the heat collection unit for being located at head and the tail is connected to inlet pipeline and water return pipeline respectively.
4. control method according to claim 1, it is characterised in that：The collecting plate is in wavy, and inclined-plane is towards on tiltedly
Side.
5. control method according to claim 4, it is characterised in that：The edge glue of the subset heat pipeline and protective glass
Envelope.
6. control method according to claim 5, it is characterised in that：The protective glass is that the sealing of an only side opening is double
Layer glass.
7. control method according to claim 1, it is characterised in that：The indoor heating unit thermal insulation board and heat-conducting plate it
Between be equipped with support construction, the heat supply pipeline is fixed on heat-conducting plate medial surface, and the gap between the thermal insulation board and heat-conducting plate is filled out
Filled with thermal insulation material, the indoor heating unit is mounted on indoor floor regional area, bed board or desktop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404168.8A CN105972680B (en) | 2016-06-08 | 2016-06-08 | Solar energy indoor heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404168.8A CN105972680B (en) | 2016-06-08 | 2016-06-08 | Solar energy indoor heating system |
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| CN105972680A CN105972680A (en) | 2016-09-28 |
| CN105972680B true CN105972680B (en) | 2018-10-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110285473B (en) * | 2019-06-28 | 2021-01-26 | 吉林建筑大学 | Solar heat collection heating system and control method thereof |
| CN110686308B (en) * | 2019-10-25 | 2021-09-07 | 东北电力大学 | Solar energy and air source heat pump heat energy graded utilization system |
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| CN105972680A (en) | 2016-09-28 |
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