CN206929902U - A kind of solar air source heat pumps combined supply system - Google Patents

A kind of solar air source heat pumps combined supply system Download PDF

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Publication number
CN206929902U
CN206929902U CN201720230322.4U CN201720230322U CN206929902U CN 206929902 U CN206929902 U CN 206929902U CN 201720230322 U CN201720230322 U CN 201720230322U CN 206929902 U CN206929902 U CN 206929902U
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China
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heat
water
solar
valve
heat exchanger
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CN201720230322.4U
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刘乃玲
郑汝奎
刘妙坤
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Shandong Jianzhu University
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Shandong Jianzhu University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272Solar heating or cooling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

A kind of solar air source heat pumps combined supply system, including solar heat collecting and circulating system, the air source heat pump circulatory system, air conditioning terminal, heating end, domestic hot-water's unit and pipe heat exchanger, air conditioning terminal, heating end, domestic hot-water's unit are connected with solar heat collecting and circulating system respectively, and solar heat collecting and circulating system is connected with the air source heat pump circulatory system by pipe heat exchanger;Solar heat collecting and circulating system includes solar thermal collector, accumulation of heat/cold-storage water tank and hot water storage tank, accumulation of heat/cold-storage water tank is connected with hot water storage tank, accumulation of heat/cold-storage water tank is in parallel with solar thermal collector and pipe heat exchanger respectively with hot water storage tank, air conditioning terminal is in parallel with heating end and is connected by pipeline with accumulation of heat/cold-storage water tank, and domestic hot-water's unit is connected with hot water storage tank.The utility model, by optimizing thermal-arrest form, way of energy storage, heating air-conditioner Terminal device and automatic control system, to meet heating, air-conditioning and domestic hot-water's trilogy supply.

Description

A kind of solar air source heat pumps combined supply system
Technical field
Solar air source heat pumps applied technical field is the utility model is related to, more particularly to a kind of solar air source heat Pump heating, air-conditioning and domestic hot-water's combined supply system.
Background technology
China's energy resource structure is still based on coal at present, but the utilization ratio of coal is low, and effect on environment is big, with coal Based on energy consumption structure the drawbacks of it is increasingly apparent.In addition, the heating of China's residential architecture is still based on fire coal at present, therefore We need to explore new ways of heating.
The relative maturity that solar water heating system and air source heat pump have developed, both regenerative resources as cleaning The support of government department is obtained, Efforts To Develop coal changes electric policy for urban, and solar energy is combined with air source heat pump It is also one of current study hotspot for heating and air-conditioning.
Solar energy resources is inexhaustible, in the winter time when solar thermal collector can also prepare enough hot water, meet give birth to On the premise of hot water living, unnecessary heat storage is got up and is used to heat.It is contemplated that there is unstability in solar radiation, such as Fruit is that the possibly heat demand of using that can not meet winter is heated with solar energy, therefore addition air source heat pump is used to fill up the vacancy Heat, it can be also used for cooling in summer.Occur solar energy being combined for heating and air-conditioning with air source heat pump at present Correlation technique, but following subject matter be present:First, thermal-arrest form, way of energy storage, heating air-conditioner Terminal device design not section Learn it is unreasonable, it is less efficient;Second, use single cisten mechanism more, domestic hot-water and heating cooling water can not be separated accumulation of energy, taken Electricity and in-convenience in use.
Utility model content
The technical problems to be solved in the utility model is to overcome the drawbacks described above of prior art, there is provided a kind of solar air Source heat pump combined supply system.A kind of solar air source heat pumps combined supply system is by optimizing thermal-arrest form, way of energy storage, confession Warm air conditioner Terminal device and automatic control system, to meet heat supply in winter, summer air-conditioning and the domestic hot-water of whole year, realize Indoor environment temperature and domestic hot-water's automatically controls.In addition, by using double water tank structure, by domestic hot-water and heating cooling Water tank separates accumulation of energy, and while summer hot water storage tank accumulation of heat, accumulation of heat/cold-storage water tank can utilize night paddy electricity progress cold-storage to be used for Second day cooling, the dosage of peak electricity is reduced, effectively improves ease of use.
The utility model is achieved through the following technical solutions:
A kind of solar air source heat pumps combined supply system, including the circulation of solar heat collecting and circulating system, air source heat pump System, air conditioning terminal, heating end, domestic hot-water's unit and pipe heat exchanger one, pipe heat exchanger two, the air conditioning terminal, Heating end, domestic hot-water's unit are connected with solar heat collecting and circulating system respectively, the solar heat collecting and circulating system and sky The air supply heat pump circulatory system is connected by pipe heat exchanger one, pipe heat exchanger two;
The solar heat collecting and circulating system includes solar thermal collector, accumulation of heat/cold-storage water tank and hot water storage tank, the storage Heat/cold-storage water tank is connected with hot water storage tank, accumulation of heat/cold-storage water tank and hot water storage tank respectively with solar thermal collector and pipe type heat transfer Device two is in parallel, and the air conditioning terminal is in parallel with heating end and is connected by pipeline with accumulation of heat/cold-storage water tank, the domestic hot-water Unit is connected with hot water storage tank.
It is so designed that, design science, by optimizing thermal-arrest form, way of energy storage, heating air-conditioner Terminal device and automatic Control system, to meet heat supply in winter, summer air-conditioning and the domestic hot-water of whole year, realize indoor environment temperature and domestic hot-water Automatically control.In addition, by using double water tank structure, domestic hot-water and heating cooling water tank are separated into accumulation of energy, summer accumulation of heat While water tank heat storage, accumulation of heat/cold-storage water tank can utilize night paddy electricity progress cold-storage to be used for second day cooling, reduce peak electricity Dosage, effectively improve ease of use.In addition, solar energy heating circulation is connected with heat pump cycle by pipe heat exchanger, heat pump Heat transfer is extracted in the low-temperature water heating that can be prepared from solar thermal collector to hot water storage tank, improves Energy Efficiency Ratio.
As optimization, mixed water temperature control center is provided between accumulation of heat/cold-storage water tank and air conditioning terminal and heating end, it is described Mixed water temperature control center includes automatic water-mixing valve, end water circulating pump and temperature controller.It is so designed that, can more accurately controls end The supply water temperature at end, the real-time regulation of supply water temperature can also be realized according to outdoor real time temperature, is reduced because of indoor/outdoor temperature-difference Fluctuations in indoor temperature caused by change, make indoor temperature more stable.
As optimization, the solar thermal collector porch is provided with automatic blow off valve valve air relief, and exit is provided with the first TEMP Device T1 and drain valve.It is so designed that, automatic blow off valve valve air relief is arranged on the peak of system, and caused gas in system is arranged in time Fall, ensure that current are unobstructed in pipeline;First temperature sensor T1 is used for sensing the leaving water temperature of solar thermal collector, by difference The hot water of temperature range makes full use of solar thermal collector respectively as the low-temperature heat source of heat pump cycle and the thermal source of hot water storage tank The low-temperature water heating of preparation, improve the utilization rate of solar water;Drain valve is set to be used under severe cold weather in heat collector exit Evacuation and anti-freezing.
As optimization, outlet pipeline and accumulation of heat/cold-storage water tank, hot water storage tank and the pipe type heat transfer of the solar thermal collector Device one is connected by the first electric T-shaped valve.It is so designed that, using the hot water of different temperatures scope as the low of heat pump cycle The thermal source of temperature-heat-source and hot water storage tank, the low-temperature water heating of solar thermal collector preparation is made full use of, improve the profit of solar water With rate.
As optimization, the air source heat pump circulatory system is coupled by formula heat exchanger one with solar thermal collector, is led to Pipe heat exchanger two is crossed to be coupled with accumulation of heat/cold-storage water tank and hot water storage tank.It is so designed that, low temperature caused by solar thermal collector Hot water is by pipe heat exchanger and the refrigerant heat exchanger in heat pump cycle pipeline, evaporation of the pipe heat exchanger as heat pump Device, thermal source of the low-temperature water heating caused by solar thermal collector as heat pump is made full use of, improve solar energy utilization ratio, so as to Improve the coefficient of performance of heat pump.It is coupled, can be utilized by pipe heat exchanger and accumulation of heat/cold-storage water tank and hot water storage tank Heat pump realizes winter while heating and hot water supply and cooling in summer and hot water supply.
As optimization, the air source heat pump circulatory system include compressor, four-way reversing valve, the second electric T-shaped valve, Pipe heat exchanger one, pipe heat exchanger two, outdoor heat exchanger and choke valve, the four-way reversing valve and pipe heat exchanger one and room External heat exchanger is connected by the second electric T-shaped valve, the pipe heat exchanger one respectively with solar thermal collector and four-way reversing valve And choke valve is connected, the outdoor heat exchanger is in parallel with pipe heat exchanger one.It is so designed that, can be by solar thermal collector system Thermal source of the standby low-temperature water heating and outdoor air as heat pump, two kinds of energy complementations, the unstability of solar-heating is overcome, The utilization ratio of two kinds of clean energy resourcies is improved constantly, saves the energy to greatest extent.
As optimization, the accumulation of heat/cold-storage water tank and hot water storage tank by first circulation water pump, the 3rd electric T-shaped valve, 6th electric T-shaped valve is in parallel with solar thermal collector, and the accumulation of heat/cold-storage water tank passes through the 4th electric T-shaped valve, second circulation Water pump is in parallel with pipe heat exchanger two, and the hot water storage tank passes through the 5th electric T-shaped valve, second circulation water pump and pipe type heat transfer Device two is in parallel.It is so designed that, it is possible to achieve solar energy heating circulation provides heat, and phase interaction for water tank jointly with heat pump cycle For supplement, the hot stability of system is substantially increased.
As optimization, second temperature sensor T2, the 3rd temperature are respectively equipped with the accumulation of heat/cold-storage water tank and hot water storage tank Sensor T3 is spent, and electric heater is equipped with inside the two.It is so designed that, the temperature in water tank can be monitored in real time, according to temperature Changing to control the open/close states of each valve or water pump to switch refrigeration and heating program for degree, makes the temperature control in water tank In the temperature range of setting;Electric heater is set to be used for tackling heat supply deficiency problem under extreme weather conditions in water tank.
As optimization, the air conditioning terminal passes through the first electric two-way valve, the second electric two-way valve, the 3rd with heating end Electric two-way valve, the 4th electric two-way valve are connected with accumulation of heat/cold-storage water tank.Be so designed that, it is possible to achieve summer cooling end with The automatic switchover of heat supply in winter end.
As optimization, the 5th electric two-way valve is provided between domestic hot-water's unit and hot water storage tank, the 5th electronic two Port valve is connected with the level sensor in hot water storage tank.It is so designed that, can be automatically replenished when the water level in water tank is too low.
The beneficial effects of the utility model are:
The utility model, it is simple in construction, design science, easy to use, by optimizing thermal-arrest form, way of energy storage, heating Air conditioning terminal form and automatic control system, to meet heat supply in winter, summer air-conditioning and the domestic hot-water of whole year, realize room Interior environment temperature and domestic hot-water's automatically controls.In addition, by using double water tank structure, by domestic hot-water and heating cooling water Case separates accumulation of energy, and while summer hot water storage tank accumulation of heat, accumulation of heat/cold-storage water tank can utilize night paddy electricity to carry out cold-storage for the Two days coolings, the dosage of peak electricity is reduced, effectively improves ease of use.In addition, solar energy heating circulation passes through with heat pump cycle Pipe heat exchanger is connected, and heat transfer is extracted in the low-temperature water heating that heat pump can be prepared from solar thermal collector to hot water storage tank, Improve Energy Efficiency Ratio.With preferable actual application value and promotional value.
Brief description of the drawings
A kind of solar air source heat pumps combined supply system is described further below in conjunction with the accompanying drawings:
Fig. 1 is a kind of schematic diagram of solar air source heat pumps combined supply system.
In figure:1 be automatic blow off valve valve air relief, 2 be solar thermal collector, 3-1 is first circulation water pump, 3-2 is second circulation water Pump, 4-1 are the first electric T-shaped valve, 4-2 is the second electric T-shaped valve, 4-3 is the 3rd electric T-shaped valve, 4-4 is the 4th electronic Triple valve, 4-5 are the 5th electric T-shaped valve, 4-6 is the 6th electric T-shaped valve, 4-7 is the 7th electric T-shaped valve, 4-8 is the 8th Electric T-shaped valve, 5 are that pipe heat exchanger one, 5 ' is that pipe heat exchanger two, 6 is outdoor heat exchanger, 7 is four-way reversing valve, 8 is pressure Contracting machine, 9 be choke valve, 10-1 is the first electric two-way valve, 10-2 is the second electric two-way valve, 10-3 is the 3rd electronic two-way Valve, 10-4 are the 4th electric two-way valve, 10-5 be the 5th electric two-way valve, 11 be cold-storage/hot water storage tank, 12 be hot water storage tank, 13 it is electric heater, 14 be automatic water-mixing valve, 15 be end water circulating pump, 16 be temperature controller, 17 be air conditioning terminal, 18 is heating End, 19 be water mixing valve, 20 be temperature control water admixing center, 21 be level sensor;
T1 is the first temperature sensor, T2 is second temperature sensor, T3 is three-temperature sensor.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, develop simultaneously implementation referring to the drawings Example, the utility model is further described.
As shown in figure 1, a kind of solar air source heat pumps combined supply system, including solar heat collecting and circulating system, air Source heat pump circulating system, air conditioning terminal 17, heating end 18, domestic hot-water's unit and pipe heat exchanger 1, pipe heat exchanger two 5 ', the air conditioning terminal 17, heating end 18, domestic hot-water's unit are connected with solar heat collecting and circulating system respectively, it is described too Positive energy heat collecting and circulating system is connected with the air source heat pump circulatory system by pipe heat exchanger 1, pipe heat exchanger 25 ';
The solar heat collecting and circulating system includes solar thermal collector 2, accumulation of heat/cold-storage water tank 11 and hot water storage tank 12, The accumulation of heat/cold-storage water tank 11 is connected with hot water storage tank 12, accumulation of heat/cold-storage water tank 11 and hot water storage tank 12 respectively with solar energy collection Hot device 2 and pipe heat exchanger 25 ' are in parallel, and the air conditioning terminal 17 is in parallel with heating end 18 and passes through pipeline and accumulation of heat/cold-storage Water tank 11 is connected, and domestic hot-water's unit is connected with hot water storage tank 12.
Specifically, mixed water temperature control center is provided between accumulation of heat/cold-storage water tank 11 and air conditioning terminal 17 and heating end 18 20, the mixed water temperature control center 20 includes automatic water-mixing valve 14, end water circulating pump 15 and temperature controller 16.
Specifically, the porch of solar thermal collector 2 is provided with automatic blow off valve valve air relief 1, exit is provided with the first TEMP Device T1 and drain valve.
Specifically, the outlet pipeline of the solar thermal collector 2 and accumulation of heat/cold-storage water tank 11, hot water storage tank 12 and tubular type Heat exchanger 1 is connected by the first electric T-shaped valve 4-1.
Specifically, the air source heat pump circulatory system is coupled by formula heat exchanger 1 and solar thermal collector 2, lead to Pipe heat exchanger 25 ' is crossed to be coupled with accumulation of heat/cold-storage water tank 11 and hot water storage tank 12.
Specifically, the air source heat pump circulatory system includes compressor 8, four-way reversing valve 7, the second electric T-shaped valve 4- 2nd, pipe heat exchanger 1, pipe heat exchanger 25 ', outdoor heat exchanger 6 and choke valve 9, the four-way reversing valve 7 and pipe type heat transfer Device 1 is connected with outdoor heat exchanger 6 by the second electric T-shaped valve 4-2, the pipe heat exchanger 1 respectively with solar energy heating Device 2 is connected with four-way reversing valve 7 and choke valve 9, and the outdoor heat exchanger 6 is in parallel with pipe heat exchanger 1.
Specifically, the accumulation of heat/cold-storage water tank 11 and hot water storage tank 12 pass through first circulation water pump 3-1, the 3rd electronic three Port valve 4-3, the 6th electric T-shaped valve 4-6 are in parallel with solar thermal collector 2, and the accumulation of heat/cold-storage water tank 11 is electronic by the 4th Triple valve 4-4, second circulation water pump 3-2 are in parallel with pipe heat exchanger 25 ', and the hot water storage tank 12 passes through the 5th electric three passes Valve 4-5, second circulation water pump 3-2 are in parallel with pipe heat exchanger 25 '.
Specifically, it is respectively equipped with second temperature sensor T2, the 3rd on the accumulation of heat/cold-storage water tank 11 and hot water storage tank 12 Temperature sensor T3, and electric heater 13 is equipped with inside the two.
Specifically, the air conditioning terminal 17 passes through the first electric two-way valve 10-1, the second electronic two-way with heating end 18 Valve 10-2, the 3rd electric two-way valve 10-3, the 4th electric two-way valve 10-4 are connected with accumulation of heat/cold-storage water tank 11.
Specifically, the 5th electric two-way valve 10-5 is provided between domestic hot-water's unit and hot water storage tank 12, the 5th electricity Dynamic two-port valve 10-5 is connected with the level sensor 21 in hot water storage tank 12.
Specifically, temperature controller 16 is installed between the electric T-shaped valve 4-7 of end water circulating pump 15 and the 7th.
Concrete operating principle is:
Summer Indoor needs cooling, and this part cold is provided by air source heat pump, the second electric T-shaped valve 4-2 initial steers Outdoor heat exchanger 6, now compressor 8, four-way reversing valve 7, outdoor heat exchanger 6, choke valve 9, pipe heat exchanger 25 ' form system SAPMAC method;Pipe heat exchanger 25 ', accumulation of heat/cold-storage water tank 11, second circulation water pump 3-2 form circulating chilled water.Work as second temperature When sensor T2 detects 2 >=7 DEG C of the water temperature T of accumulation of heat/cold-storage water tank 11, heat pump opens kind of refrigeration cycle, is carried for air conditioning terminal 17 Cooling water.When second temperature sensor T2 is detected in the water temperature T 2 using peak electricity period cold-storage water tank<6 DEG C of paddy electricity period T2<4 ℃), heat pump stopping.Cold-storage is carried out using night paddy electricity, reduces the usage amount of peak electricity on daytime.
Accumulation of heat/cold-storage water tank 11, end water circulating pump 15 and air conditioning terminal 17 form summer cooling circulation, are circulated by end Water pump 15 provides power.Automatic water-mixing valve 14, end water circulating pump 15 and temperature controller 16 form water admixing center, and temperature controller 16 detects Supply water temperature Tg, works as Tg>At 7 DEG C, the control valve of automatic water-mixing valve 14 opens and closes angle and reduces the backwater amount being used for cold water mix, Work as Tg<At 7 DEG C, the angle increase that the control valve of automatic water-mixing valve 14 opens and closes is used for the backwater amount with cold water mix, is air-conditioning end End 17 provides the cold water that steady temperature is 7 DEG C.
During summer solar energy abundance, solar thermal collector 2 absorbs the water in solar radiation heat cycles pipeline, works as solar energy During temperature T1 >=22 DEG C in the exit of heat collector 2, the first electric T-shaped valve 4-1 initial steers solar thermal collector 2 is accumulation of heat water The accumulation of heat of case 12, now solar thermal collector 2, hot water storage tank 12, first circulation water pump 3-1 form collection thermal cycle.When detecting too The temperature T1 in positive energy heat collector 2 exit<At 22 DEG C, first circulation water pump 3-1 is out of service.When three-temperature sensor T3 is examined During temperature T3 >=70 DEG C measured, first circulation water pump 3-1 is out of service.
When useful heat demand, but solar energy heating circulation can't reach the temperature with heat demand, i.e. hot water storage tank 12 T3<At 45 DEG C, manually opened electric heater 13, after the temperature of hot water storage tank 12 reaches 45 DEG C, electric heater 13 stops, and meets base This uses heat demand.The temperature of hot water storage tank 12 can set 45 DEG C -70 DEG C during electrical heating, be added according to different demands lower water temperature electricity Hot temperature.
When summer meeting refrigeration demand, cold-storage water tank stores enough colds), air source heat pump heating can also be opened and followed Ring heating domestic hot water.Now compressor 8, four-way reversing valve 7, outdoor heat exchanger 6, choke valve 9, pipe heat exchanger 25 ' are common Form heating circulation;Pipe heat exchanger 25 ', second circulation water pump 3-2, hot water storage tank 12 form hot water circuit.Work as hot water storage tank After 12 temperature reach 45 DEG C, air source heat pump heating circulation stops, and automatically switches to kind of refrigeration cycle and is supplied for accumulation of heat/cold-storage water tank 11 Cold water.
Winter needs to provide heat to accumulation of heat/cold-storage water tank 11 and hot water storage tank 12 to meet the need of heating and domestic hot-water Ask.Initial launch pattern is that solar thermal collector 2 is the offer heat of hot water storage tank 12 and air source heat pump is accumulation of heat/cold-storage water tank 11 provide heat.When there is heating demands, air source heat pump is opened, the second electric T-shaped valve 4-2 initial steer outdoor heat exchangers 6, now compressor 8, four-way reversing valve 7, outdoor heat exchanger 6, choke valve 9 and pipe heat exchanger 25 ' form heat pump heating and followed Ring.By changing the 4th electric T-shaped valve 4-4, the 5th electric T-shaped valve 4-5 respectively to accumulation of heat/cold-storage water tank 11 and accumulation of heat water Case 12 provides heat.
When the first temperature sensor T1 in the exit of solar thermal collector 2 detects leaving water temperature T1 >=22 DEG C, first Electric T-shaped valve 4-1 initial steers hot water storage tank 12, now solar thermal collector 2, first circulation water pump 3-1 and hot water storage tank 12 Form solar energy heating circulation.
45 DEG C of 11 preliminary set time of accumulation of heat/cold-storage water tank, can set 45 DEG C -70 DEG C, according to the difference of outdoor temperature It may be selected to automatically adjust design temperature.When second temperature sensor T2 detects water temperature T 2<At 45 DEG C, air source heat pump opens system Heat;Using peak electricity operation air source heat pump, when second temperature sensor T2 detects 2 >=50 DEG C of water temperature T, air source heat pump Stop heating.Using paddy electricity operation air source heat pump, when second temperature sensor T2 detects 2 >=60 DEG C of water temperature T, air Source heat pump stops heating.
When the first temperature sensor T1 in the exit of solar thermal collector 2 detects exit water temperature T1 >=47 DEG C, air Source heat pump stops, and solar thermal collector 2 is that accumulation of heat/cold-storage water tank 11 provides heat.When second temperature sensor T2 detects water During warm T2 >=70 DEG C, first circulation water pump 3-1 is out of service, in case accumulation of heat/water temperature over-high of cold-storage water tank 11 influences heat-insulating property.
When the first temperature sensor T in the exit of solar thermal collector 2 detects 12 DEG C≤T1 of exit water temperature<At 22 DEG C, First electric T-shaped valve 4-1 turns to pipe heat exchanger 1, now solar thermal collector 2, pipe heat exchanger 1 and first circulation Water pump 3-1, which is formed, to be circulated, evaporator of the pipe heat exchanger 1 as heat pump cycle, meanwhile, second electronic three in heat pump cycle Port valve 4-2 turns to pipe heat exchanger 1, is that accumulation of heat/cold-storage water tank 11 and hot water storage tank 12 provide heat by air source heat pump.
When the first temperature sensor T1 in the exit of solar thermal collector 2 detects exit water temperature T1<At 12 DEG C, first follows Ring water pump 3-1 is out of service.Pipe heat exchanger 1 is switched to outdoor heat exchanger 6 in heat pump cycle.
Severe cold weather is run into, the temperature of accumulation of heat/cold-storage water tank 11 can not also expire after air source heat pump runs a period of time During temperature set by sufficient heating demands, then opening electric heater 13.
45 DEG C of 12 preliminary set time of hot water storage tank, can set 45 DEG C -70 DEG C, when useful heat demand, and solar energy Collection thermal cycle can not meet to use heat demand, the i.e. water temperature T 3 that three-temperature sensor T3 is detected<At 45 DEG C, air-source heat is utilized Pump is that hot water storage tank 12 provides heat, is realized by the steering for adjusting the 5th electric T-shaped valve 4-5 to the accumulation of heat of hot water storage tank 12.When When using air source heat pump being 12 accumulation of heat of hot water storage tank, suspend and provide heat to accumulation of heat/cold-storage water tank 11, realize domestic hot-water's Priority acccess control.Water temperature T 3 can't reach the temperature Td of setting after air source heat pump is run 10 minutes, and electric heater 13 is opened, By water temperature heating to set water temperature, air source heat pump is converted to accumulation of heat/heat supply of cold-storage water tank 11;If it can be heated in 10 minutes Set water temperature Td, air source heat pump do not have to open directly to for accumulation of heat/heat supply of cold-storage water tank 11, electric heater 13.
When the unlatching of electric heater 13 heats for hot water storage tank 12, the 6th electric T-shaped valve 4-6 turns to first circulation water pump 3- 1, prevent from taking away heat caused by electrical heating.When three-temperature sensor T3 detects T3<At 35 DEG C, the 6th electric T-shaped valve 4-6 turns to hot water storage tank 12 and returns to initial steer.
Above-mentioned embodiment is only specific case of the present utility model, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent implementations of change.But it is every without departing from the utility model technical principle on the premise of, according to of the present utility model Any simple modification, equivalent variations and the remodeling that technical spirit is made to embodiment of above, should all fall into of the present utility model Scope of patent protection.

Claims (10)

  1. A kind of 1. solar air source heat pumps combined supply system, it is characterised in that:Including solar heat collecting and circulating system, air-source Heat pump circulating system, air conditioning terminal(17), heating end(18), domestic hot-water's unit and pipe heat exchanger one(5), pipe type heat transfer Device two(5’), the air conditioning terminal(17), heating end(18), domestic hot-water's unit respectively with solar heat collecting and circulating system connect Connect, the solar heat collecting and circulating system passes through pipe heat exchanger one with the air source heat pump circulatory system(5), pipe heat exchanger two (5’)Connection;
    The solar heat collecting and circulating system includes solar thermal collector(2), accumulation of heat/cold-storage water tank(11)And hot water storage tank (12), the accumulation of heat/cold-storage water tank(11)With hot water storage tank(12)Series connection, accumulation of heat/cold-storage water tank(11)With hot water storage tank(12) Respectively with solar thermal collector(2)And pipe heat exchanger two(5’)Parallel connection, the air conditioning terminal(17)With end of heating(18)And Join and pass through pipeline and accumulation of heat/cold-storage water tank(11)Connection, domestic hot-water's unit and hot water storage tank(12)Connection.
  2. A kind of 2. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:In accumulation of heat/cold-storage Water tank(11)With air conditioning terminal(17)With heating end(18)Between be provided with mixed water temperature control center(20), the mixed water temperature control center (20)Including automatic water-mixing valve(14), end water circulating pump(15)And temperature controller(16).
  3. A kind of 3. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:The solar energy collection Hot device(2)Porch is provided with automatic blow off valve valve air relief(1), exit is provided with the first temperature sensor T1 and drain valve.
  4. A kind of 4. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:The solar energy collection Hot device(2)Outlet pipeline and accumulation of heat/cold-storage water tank(11), hot water storage tank(12)With pipe heat exchanger one(5)Pass through the first electricity Dynamic triple valve(4-1)It is connected.
  5. A kind of 5. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:The air-source heat Pump circulation system passes through pipe heat exchanger one(5)With solar thermal collector(2)It is coupled, passes through pipe heat exchanger two(5’)With storage Heat/cold-storage water tank(11)And hot water storage tank(12)It is coupled.
  6. A kind of 6. solar air source heat pumps combined supply system as claimed in claim 5, it is characterised in that:The air-source heat Pump circulation system includes compressor(8), four-way reversing valve(7), the second electric T-shaped valve(4-2), pipe heat exchanger one(5), pipe Formula heat exchanger two(5’), outdoor heat exchanger(6)With choke valve(9), the four-way reversing valve(7)With pipe heat exchanger one(5)With Outdoor heat exchanger(6)Pass through the second electric T-shaped valve(4-2)It is connected, the pipe heat exchanger one(5)Respectively with solar energy heating Device(2)And four-way reversing valve(7)And choke valve(9)It is connected, the outdoor heat exchanger(6)With pipe heat exchanger one(5)It is in parallel.
  7. A kind of 7. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:Accumulation of heat/the storage Cold water storage cistern(11)And hot water storage tank(12)Pass through first circulation water pump(3-1), the 3rd electric T-shaped valve(4-3), the 6th electronic three Port valve(4-6)With solar thermal collector(2)Parallel connection, the accumulation of heat/cold-storage water tank(11)Pass through the 4th electric T-shaped valve(4-4)、 Second circulation water pump(3-2)With pipe heat exchanger two(5’)Parallel connection, the hot water storage tank(12)Pass through the 5th electric T-shaped valve(4- 5), second circulation water pump(3-2)With pipe heat exchanger two(5’)It is in parallel.
  8. A kind of 8. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:Accumulation of heat/the storage Cold water storage cistern(11)And hot water storage tank(12)On be respectively equipped with second temperature sensor T2, three-temperature sensor T3, and in the two Portion is equipped with electric heater(13).
  9. A kind of 9. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:The air conditioning terminal (17)With end of heating(18)Pass through the first electric two-way valve(10-1), the second electric two-way valve(10-2), the 3rd electronic two-way Valve(10-3), the 4th electric two-way valve(10-4)With accumulation of heat/cold-storage water tank(11)It is connected.
  10. A kind of 10. solar air source heat pumps combined supply system as claimed in claim 1, it is characterised in that:The life heat Water unit and hot water storage tank(12)Between be provided with the 5th electric two-way valve(10-5), the 5th electric two-way valve(10-5)With accumulation of heat water Case(12)In level sensor(21)It is connected.
CN201720230322.4U 2017-03-10 2017-03-10 A kind of solar air source heat pumps combined supply system Expired - Fee Related CN206929902U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217985A (en) * 2021-04-16 2021-08-06 北京农业智能装备技术研究中心 Heat storage and heating rural residential system and method for sunlight greenhouse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217985A (en) * 2021-04-16 2021-08-06 北京农业智能装备技术研究中心 Heat storage and heating rural residential system and method for sunlight greenhouse

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