CN204026810U - A kind of solar energy and air source heat pump combine heat-collecting system efficiently - Google Patents
A kind of solar energy and air source heat pump combine heat-collecting system efficiently Download PDFInfo
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- CN204026810U CN204026810U CN201420491139.6U CN201420491139U CN204026810U CN 204026810 U CN204026810 U CN 204026810U CN 201420491139 U CN201420491139 U CN 201420491139U CN 204026810 U CN204026810 U CN 204026810U
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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
Abstract
A kind of solar energy and air source heat pump combine heat-collecting system efficiently, comprise heat storage water tank, constant temperature water tank, solar thermal collector, air source heat pump, thermal-arrest circulating pump, return circulating pump, signal picker, magnetic valve, connecting pipe and controller; Signal picker comprises temperature sensor, level sensor and flow sensor; The characteristic feature of system is: only use a water pump just can complete needed for water heating work relate to the respective water circulation of two water tanks and hot water is each other pumped; Make it possible to selectively make two heaters and air source heat pump and solar thermal collector separately or combine and carry out water heating work according to the different situations of solar irradiation.
Description
Technical field
The technical program relates to solar water heater field, particularly relates to a kind of solar energy and air source heat pump combine heat-collecting system.
Background technology
Along with the development of society and the progress of science and technology, the mankind tend to high level and high-quality gradually to the demand of the energy.The disposable energy such as the oil coal that nature gives us is limited, moreover pollution problem that the various disposable energy brings pendulum is in face of people and obtain the great attention of countries in the world.The regenerative resources such as biomass energy, tide energy, wind energy and solar energy more and more receive the concern of people, and people have invested part sight the sun that the mankind depend on for existence very naturally.Many products of solar energy that utilizes arise at the historic moment, solar water heater one of them, solar water heater with its economize energy and the feature of environmentally safe, the dark welcome by numerous individuals and unit user always since coming out.Solar energy is never exhausted clean energy resource, and amount is large, aboundresources, environmental protection, is one of main application direction of regenerative resource application.But solar energy also has some intrinsic shortcomings: the energy-flux density of (1) solar energy is low, even if in the more rich desert area of solar energy resources, consider efficiency and the heat loss of solar heat-collection system, the annual solar radiation illumination that every square meter heat collector area actual acquisition arrives is less than 1OOW, and vary in different localities, because of time and become.(2) solar energy has intermittence and unreliability.The impact of the various factors such as the irradiation level climate condition of solar energy can not maintain constant, if the supply meeting continuous print rainy weather solar energy will be interrupted.In addition, solar energy is a kind of radiant energy, has instantaneity, and solar energy not easily stores self, and immediately must convert other form energy to could utilize and store.Air source heat pump technology is one of another main application direction of regenerative resource application, utilizes air heat energy resource to carry out heat supply, has good energy-conservation and environmental benefit, have also been obtained increasingly extensive application at home in recent years.But the running of air source heat pump itself needs consume electric power.Therefore, solar energy and the renewable and energy that is that can utilize lastingly of air heat source these two kinds are combined, utilize respective advantage, comprehensive utilization heating is produced and domestic water is certain choosing.But how both combinations accomplishes energy-efficient and timely enough hot-water supply problems if relating to, the therefore design arrangement of necessary reasonable consideration heat storage water tank and water circulation pipe.To realizing energy-efficient and dual purpose that is supplying hot water timeliness.The technical scheme that the present invention proposes based on this object just.
Summary of the invention
The object of the technical program is to provide a kind of solar energy and air source heat pump combine heat-collecting system, and comprise composition and pipeline (water-flowing path) connected mode of system, concrete scheme is as follows:
A kind of solar energy and air source heat pump combine heat-collecting system efficiently, comprise heat storage water tank, constant temperature water tank, solar thermal collector, air source heat pump, thermal-arrest circulating pump, return circulating pump, signal picker, magnetic valve, connecting pipe and controller; Wherein, heat storage water tank is for receiving the cold water of running water pipe feeding and being kept in it is heated to first object temperature; Constant temperature water tank is for receiving and store hot water from heat storage water tank and to each floor hot-water supply; Solar thermal collector is for collecting solar energy to heat the water flowing through it; Air source heat pump adopts compressor heat-exchange method for collecting air heat energy and heating the water flowing through it; Thermal-arrest circulating pump is for realizing water circulation or being pumped to by the hot water in heat storage water tank in constant temperature water tank or to cause the hot water lower than the second target temperature to pump in heat storage water tank because of natural heat dissipation just in constant temperature water tank; Return circulating pump is used for enabling the water in heat supply water pipe be back to constant temperature water tank to the pressurization of the heat supply water pipe of each floor and too much becomes cold water to stop the water in heat supply water pipe to lower the temperature because of long-time natural heat dissipation; Signal picker comprises temperature sensor, level sensor and flow sensor; Wherein, temperature sensor is for gathering the water temperature information of heat storage water tank, constant temperature water tank, solar thermal collector and return pipe; Level sensor is for gathering the water level information of heat storage water tank, constant temperature water tank; Flow sensor is for gathering the supplying hot water total flow of constant temperature water tank to each floor; Connecting pipe connects for the pipeline between the heat supply water pipe to heat storage water tank, constant temperature water tank, solar thermal collector, air source heat pump, thermal-arrest circulating pump, return circulating pump and each floor; Magnetic valve is used for the water route break-make of control connection pipeline; Controller is connected by holding wire with signal picker, and the signal provided using signal picker is as input and control air source heat pump, thermal-arrest circulating pump, return circulating pump and magnetic valve with suitable control strategy.
More specifically, temperature sensor has five, be numbered zero to No. four, comprise No. zero temperature sensor being positioned over constant temperature water tank inner bottom part, No. three temperature sensors being positioned over heat storage water tank inner bottom part, No. four temperature sensors being positioned over a temperature sensor of the water inlet end of solar thermal collector and No. two temperature sensors of water side and being positioned on return pipe; Level sensor has two, is numbered No. zero and No. one, comprises the level sensor be arranged in heat storage water tank and No. zero level sensor be arranged in constant temperature water tank; Magnetic valve has seven, is numbered zero to No. six, comprises No. zero magnetic valve, a magnetic valve, No. two magnetic valves, No. three magnetic valves, No. four magnetic valves, No. five magnetic valves and No. six magnetic valves; Connecting pipe has 11, be numbered one to ride on Bus No. 11, comprise a connecting pipe, No. two connecting pipes, No. three connecting pipes, No. four connecting pipes, No. five connecting pipes, No. six connecting pipes, No. seven connecting pipes, No. eight connecting pipes, No. nine connecting pipes, No. ten connecting pipes and ride on Bus No. 11 connecting pipes, wherein ride on Bus No. 11 connecting pipe is also called return pipe.
The two ends of all water pumps and thermal-arrest circulating pump and return circulating pump and water side and all supporting attaching of water inlet end have stop valve and Pressure gauge, in water side, all attaching has check-valves, for sake of convenience, in the description of next section of pipeline connecting mode, just no longer the auxiliary equipment of these water pumps is mentioned.
Concrete pipeline connecting mode is as follows: the cold water inlet at heat storage water tank top connects running water water inlet pipe by No. zero magnetic valve, first hot water inlet at heat storage water tank top connects the water side of solar thermal collector by No. two connecting pipes, hot water outlet bottom heat storage water tank sequentially connects the lower end of No. three magnetic valves and the water inlet end of thermal-arrest circulating pump by No. four connecting pipes, a magnetic valve and No. five connecting pipes, and the upper end of No. three magnetic valves then connects the hot water outlet bottom constant temperature water tank by No. nine connecting pipes; The water side of thermal-arrest circulating pump connects the water inlet of air source heat pump by No. six connecting pipes; The delivery port of air source heat pump is then connected to three branch roads by No. seven connecting pipes: the first branch road be sequentially by No. five magnetic valves and No. eight connecting pipes to the water inlet end of solar thermal collector, second branch road be sequentially by No. two magnetic valves and No. three connecting pipes to second hot water inlet at heat storage water tank top, the 3rd branch road be sequentially by No. four magnetic valves and connecting pipe to the hot water inlet at constant temperature water tank top; Service water outlet bottom constant temperature water tank is sequentially connected to the heat supply water pipe of each floor by return circulating pump, No. ten connecting pipes, wherein, service water outlet bottom constant temperature water tank connects the water inlet end of return circulating pump, and the water side of return circulating pump is connected with No. ten connecting pipes; The backwater entrance at constant temperature water tank top is sequentially connected to the heat supply water pipe of each floor by No. six magnetic valves and return pipe.
The characteristic feature of above pipeline connecting mode is: flow through thermal-arrest circulating pump and air source heat pump again after the pipe path jointly formed via two pipe path i.e. No. four connecting pipes and No. five connecting pipes that control break-make by a two magnetic valves i.e. battery valve and No. three magnetic valves respectively respectively after the water in two water tanks and heat storage water tank and constant temperature water tank flows out from the hot water outlet of the bottom of respective water tank and the pipe path of No. nine connecting pipe formations converge to pipeline trident tie point, afterwards by three magnetic valves i.e. No. two magnetic valves, No. four magnetic valves and No. five solenoid control enter three branch roads i.e. the first branch road, one of second branch road and the 3rd branch road, finally enter one of two water tanks again, this pipeline connecting mode can realize: only use a water pump and thermal-arrest circulating pump just can complete needed for water heating work relate to the respective water circulation of two water tanks and heat storage water tank and constant temperature water tank and hot water is each other pumped, make it possible to selectively make two heaters and air source heat pump and solar thermal collector separately or combine and carry out water heating work according to the different situations of solar irradiation.
Implementing the beneficial effect of the technical program is: what a water pump only need be used can to complete various water circulation needed for water heating work and water pumps transfer.Make the solar thermal collector as main heating equipment separately or the work of heating can have been combined with the air source heat pump as auxiliary heating equipment, take into account energy-saving efficiency and firing rate.
Accompanying drawing explanation
Fig. 1 is equipment composition and the pipeline connection diagram of the technical program, and the arrow direction indication in figure is the water (flow) direction in pipeline.
Detailed description of the invention
Below in conjunction with accompanying drawing, more specific description the technical program.
A kind of solar energy and air source heat pump combine heat-collecting system efficiently, comprise heat storage water tank W1, constant temperature water tank W0, solar thermal collector H1, air source heat pump P1, thermal-arrest circulating pump B1, return circulating pump B0, signal picker, magnetic valve, connecting pipe and controller; Wherein, heat storage water tank W1 is for receiving the cold water of running water pipe feeding and being kept in it is heated to first object temperature; Constant temperature water tank W0 is for receiving and store hot water from heat storage water tank W1 and to each floor hot-water supply; Solar thermal collector H1 is for collecting solar energy to heat the water flowing through it; Air source heat pump P1 adopts compressor heat-exchange method for collecting air heat energy and heating the water flowing through it; Thermal-arrest circulating pump B1 is for realizing water circulation or being pumped to by the hot water in heat storage water tank W1 in constant temperature water tank W0 or to cause the hot water lower than the second target temperature to pump in heat storage water tank W1 because of natural heat dissipation just in constant temperature water tank W0; Return circulating pump B0 is used for enabling the water in heat supply water pipe be back to constant temperature water tank W0 to the pressurization of the heat supply water pipe of each floor and too much becomes cold water to stop the water in heat supply water pipe to lower the temperature because of long-time natural heat dissipation; Signal picker comprises temperature sensor, level sensor and flow sensor Q0; Wherein, temperature sensor is for gathering the water temperature information of heat storage water tank W1, constant temperature water tank W0, solar thermal collector H1 and return pipe 11; Level sensor is for gathering the water level information of heat storage water tank W1, constant temperature water tank W0; Flow sensor Q0 is for gathering the supplying hot water total flow of constant temperature water tank W0 to each floor; Pipeline between connecting pipe is used for the heat supply water pipe of heat storage water tank W1, constant temperature water tank W0, solar thermal collector H1, air source heat pump P1, thermal-arrest circulating pump B1, return circulating pump B0 and each floor connects; Magnetic valve is used for the water route break-make of control connection pipeline; Controller is connected by holding wire with signal picker, and the signal provided using signal picker is as input and control air source heat pump P1, thermal-arrest circulating pump B1, return circulating pump B0 and magnetic valve with suitable control strategy.
More specifically, temperature sensor has five, be numbered zero to No. four, No. four temperature sensor T4 comprising No. zero temperature sensor T0 being positioned over constant temperature water tank W0 inner bottom part, No. three temperature sensor T3 being positioned over heat storage water tank W1 inner bottom part, be positioned over a temperature sensor T1 of the water inlet end of solar thermal collector H1 and No. two temperature sensor T2 of water side and be positioned on return pipe 11; Level sensor has two, is numbered No. zero and No. one, comprises the level sensor L1 be arranged in heat storage water tank W1 and No. zero level sensor L0 be arranged in constant temperature water tank W0; Magnetic valve has seven, is numbered zero to No. six, comprises No. zero magnetic valve D0, magnetic valve D1, No. two magnetic valve D2, No. three magnetic valve D3, No. four magnetic valve D4, No. five magnetic valve D5 and No. six magnetic valve D6; Connecting pipe has 11, be numbered one to ride on Bus No. 11, comprise a connecting pipe 1, No. two connecting pipes 2, No. three connecting pipes 3, No. four connecting pipes 4, No. five connecting pipes 5, No. six connecting pipes 6, No. seven connecting pipes 7, No. eight connecting pipes 8, No. nine connecting pipes 9, No. ten connecting pipes 10 and ride on Bus No. 11 connecting pipe 11, wherein ride on Bus No. 11 connecting pipe 11 is also called return pipe, i.e. return pipe 11.
For convenience of reading, the waterway inlet that multiple equipment comprises and water route outlet name are enumerated as follows:
Heat storage water tank W1: the cold water inlet at top, first hot water inlet at top, second hot water inlet at top, the hot water outlet of bottom;
Constant temperature water tank W0: the backwater entrance at the hot water inlet at top, the hot water outlet of bottom, top, the service water outlet of bottom;
Solar thermal collector H1: water side, water inlet end;
Air source heat pump P1: delivery port, water inlet;
Thermal-arrest circulating pump B1: water side, water inlet end;
Return circulating pump B0: water side, water inlet end;
Particularly point out, stop valve and Pressure gauge is had in the two ends of all water pumps and thermal-arrest circulating pump B1 and return circulating pump B0 and water side and all supporting attaching of water inlet end, in water side, all attaching has check-valves, for sake of convenience, just no longer mentions the auxiliary equipment of these water pumps in description later.
Concrete pipeline connecting mode is as follows: the cold water inlet at heat storage water tank W1 top connects running water water inlet pipe by No. zero magnetic valve D0, first hot water inlet at heat storage water tank W1 top connects the water side of solar thermal collector H1 by No. two connecting pipes 2, hot water outlet bottom heat storage water tank W1 sequentially connects the lower end of No. three magnetic valve D3 and the water inlet end of thermal-arrest circulating pump B1 by No. four connecting pipes 4, magnetic valve D1 and No. five connecting pipe 5, and the upper end of No. three magnetic valve D3 then connects the hot water outlet bottom constant temperature water tank W0 by No. nine connecting pipes 9; The water side of thermal-arrest circulating pump B1 connects the water inlet of air source heat pump P1 by No. six connecting pipes 6; The delivery port of air source heat pump P1 is then connected to three branch roads by No. seven connecting pipes 7: the first branch road is sequentially by the water inlet end of No. five magnetic valve D5 and No. eight connecting pipe 8 to solar thermal collector H1, second branch road is sequentially by second hot water inlet at No. two magnetic valve D2 and No. three connecting pipe 3 to heat storage water tank W1 tops, and the 3rd branch road is sequentially by the hot water inlet at No. four magnetic valve D4 and connecting pipe 1 to constant temperature water tank W0 tops; Service water outlet bottom constant temperature water tank W0 is sequentially connected to the heat supply water pipe of each floor by return circulating pump B0, No. ten connecting pipes 10, wherein, service water outlet bottom constant temperature water tank W0 connects the water inlet end of return circulating pump B0, and the water side of return circulating pump B0 is connected with No. ten connecting pipes 10; The backwater entrance at constant temperature water tank W0 top is sequentially connected to the heat supply water pipe of each floor by No. six magnetic valve D6 and return pipe 11.
The technical program relates to three kinds of water circulations: i.e. the first water circulation, the second water circulation and the 3rd water circulation, in these three kinds of water circulations, thermal-arrest circulating pump B1 all opens work.
First water circulation relates to the water circulation of heat storage water tank W1 and air source heat pump P1 and solar thermal collector H1, in this water cycle process, No. two magnetic valve D2, No. three magnetic valve D3 and No. four magnetic valve D4 close, a magnetic valve D1 and No. five magnetic valve D5 opens, water in heat storage water tank W1 flows out from the hot water outlet bottom heat storage water tank W1 under gravity, sequentially flow through No. four connecting pipes 4, a magnetic valve D1, No. five connecting pipes 5, thermal-arrest circulating pump B1 under the pressurization of thermal-arrest circulating pump B1, continue to flow through No. six connecting pipes 6, air source heat pump P1, No. seven connecting pipes 7, No. five magnetic valve D5, No. eight connecting pipes 8, solar thermal collector H1, No. two connecting pipes 2, first hot water inlet at heat storage water tank W1 top, final recurrence enters heat storage water tank W1, when the first water circulation, air source heat pump P1 opens as required or stops heating work,
Second water circulation relates to the water circulation of heat storage water tank W1 and air source heat pump P1, in this water cycle process, a magnetic valve D1 and No. two magnetic valve D2 opens, No. three magnetic valve D3, No. four magnetic valve D4 and No. five magnetic valve D5 close, air source heat pump P1 opens and heats work, water in heat storage water tank W1 flows out from the hot water outlet bottom heat storage water tank W1 under gravity, sequentially flow through No. four connecting pipes 4, a magnetic valve D1, No. five connecting pipes 5, thermal-arrest circulating pump B1 under the pressurization of thermal-arrest circulating pump B1, continue to flow through No. six connecting pipes 6, air source heat pump P1, No. seven connecting pipes 7, No. two magnetic valve D2, No. three connecting pipes 3, second hot water inlet at heat storage water tank W1 top, final recurrence enters heat storage water tank W1,
3rd water circulation relates to the water circulation of constant temperature water tank W0 and air source heat pump P1, in this water cycle process, a magnetic valve D1, No. two magnetic valve D2 and No. five magnetic valve D5 close, No. three magnetic valve D3 and No. four magnetic valve D4 open, air source heat pump P1 opens and heats work, water in constant temperature water tank W0 flows out from the hot water outlet bottom constant temperature water tank W0 under gravity, sequentially flow through No. nine connecting pipes 9, No. three magnetic valve D3, thermal-arrest circulating pump B1 under the pressurization of thermal-arrest circulating pump B1, continue to flow through No. six connecting pipes 6, air source heat pump P1, No. seven connecting pipes 7, No. four magnetic valve D4, a connecting pipe 1, the hot water inlet at constant temperature water tank W0 top, final recurrence enters constant temperature water tank W0,
The technical program also relates to two kinds of hot water and pumps, and namely the first hot water is pumped and pumped with the second hot water, and in these two kinds of hot water are pumped, thermal-arrest circulating pump B1 all opens work.
It is transfer in constant temperature water tank W0 by the water reaching first object temperature in heat storage water tank W1 that first hot water is pumped, pump in process at the first hot water, No. two magnetic valve D2, No. three magnetic valve D3 and No. five magnetic valve D5 close, a magnetic valve D1 and No. four magnetic valve D4 opens, water in heat storage water tank W1 flows out from the hot water outlet bottom heat storage water tank W1 under gravity, sequentially flow through No. four connecting pipes 4, a magnetic valve D1, No. five connecting pipes 5, thermal-arrest circulating pump B1 under the pressurization of thermal-arrest circulating pump B1, continue to flow through No. six connecting pipes 6, air source heat pump P1, No. seven connecting pipes 7, No. four magnetic valve D4, a connecting pipe 1, the hot water inlet at constant temperature water tank W0 top, finally enter constant temperature water tank W0, when the first hot water is pumped, air source heat pump P1 stops heating work,
It is to cause the water lower than the second target temperature to transfer in heat storage water tank W1 because of natural heat dissipation in constant temperature water tank W0 that second hot water is pumped, pump in process at the second hot water, a magnetic valve D1, No. two magnetic valve D2 and No. four magnetic valve D4 close, No. three magnetic valve D3 and No. five magnetic valve D5 open, water in constant temperature water tank W0 flows out from the hot water outlet bottom constant temperature water tank W0 under gravity, sequentially flow through No. nine connecting pipes 9, No. three magnetic valve D3, thermal-arrest circulating pump B1 under the pressurization of thermal-arrest circulating pump B1, continue to flow through No. six connecting pipes 6, air source heat pump P1, No. seven connecting pipes 7, No. five magnetic valve D5, No. eight connecting pipes 8, solar thermal collector H1, No. two connecting pipes 2, first hot water inlet at heat storage water tank W1 top, finally enter heat storage water tank W1, when the second hot water is pumped in process, air source heat pump P1 opens as required or stops heating work,
Above-described three kinds of water circulations and two kinds of hot water are pumped, and any moment can only be selected one and be carried out; When carrying out the first water circulation or the second hot water pumps, air source heat pump P1 opens as required or stops heating work; When solar radiation is sufficient, the work of solar thermal collector H1 complete independently water heating is allowed, when solar radiation is inadequate or run into and need to manufacture hot water fast and should open the work of heating with the time period air source heat pump P1 satisfied the demands in order to energy-saving air source heat pump P1 should stop heating work.
The characteristic feature of above pipeline connecting mode is: flow through thermal-arrest circulating pump B1 and air source heat pump P1 again after the pipe path of the pipe path that the water in two water tanks and heat storage water tank W1 and constant temperature water tank W0 is formed via two pipe path i.e. No. four connecting pipes 4 and No. five connecting pipes 5 that control break-make by two magnetic valves i.e. battery valve D1 and No. three magnetic valve D3 respectively after flowing out from the hot water outlet of the bottom of respective water tank respectively jointly and No. nine connecting pipe 9 formations converges to pipeline trident tie point 12, afterwards by three magnetic valves i.e. No. two magnetic valve D2, No. four magnetic valve D4 and No. five magnetic valve D5 control to enter above-mentioned three branch roads i.e. the first branch road, one of second branch road and the 3rd branch road, finally enter one of two water tanks again, this pipeline connecting mode can realize: only use a water pump and thermal-arrest circulating pump B1 just can complete needed for water heating work relate to the respective water circulation of two water tanks and heat storage water tank W1 and constant temperature water tank W0 and hot water is each other pumped, make it possible to selectively make two heaters and air source heat pump P1 and solar thermal collector H1 separately or combine and carry out water heating work according to the different situations of solar irradiation.
The method of the technical program water heating is:
The water level of heat storage water tank W1 is detected by a level sensor L1, and judge that whether this water level is lower than the first low water level set or the first full-water level reaching setting, if lower than the first low water level of setting, then forbid that the first hot water is pumped and opened No. zero magnetic valve D0 and carry out moisturizing to heat storage water tank W1; If reach the first full-water level of setting, then close No. zero magnetic valve D0 to stop heat storage water tank W1 moisturizing.And forbid that the second hot water is pumped.
Detected the water level of constant temperature water tank W0 by No. zero level sensor L0, and judge that whether this water level is lower than the second low water level set or the second full-water level reaching setting.When this water level reaches the second full-water level, forbid that the first hot water is pumped, when this water level is lower than the second low water level, forbid that the second hot water is pumped.
The temperature of the water inlet end of solar thermal collector H1 is detected by a temperature sensor T1, detected the temperature of the water side of solar thermal collector H1 by No. two temperature sensor T2, the arithmetical difference of the temperature of the temperature of the water side of solar thermal collector H1 and the water inlet end of solar thermal collector H1 is called solar thermal collector effect temperature difference; The temperature of water in heat storage water tank W1 is detected by No. three temperature sensor T3; If the temperature of the water side of solar thermal collector H1 higher than water in heat storage water tank W1 temperature and solar thermal collector effect temperature difference is more than or equal to the first setting temperature difference, then carry out the first water circulation and air source heat pump P1 stop heat work; If the temperature of the water side of solar thermal collector H1 is less than or equal to the second setting temperature difference less than or equal to the temperature of water in heat storage water tank W1 or solar thermal collector effect temperature difference, carry out the second water circulation and air source heat pump P1 opens and heats work; If the temperature of the water side of solar thermal collector H1 higher than the temperature of water in heat storage water tank W1 and solar thermal collector effect temperature difference be less than the first setting temperature difference but be greater than the second setting temperature difference, then proceed the first water circulation of performing or the second water circulation; No matter be carrying out the first water circulation or the second water circulation, when detecting that the temperature of water in heat storage water tank W1 reaches first object temperature by No. three temperature sensor T3, stop ongoing first water circulation or the second water circulation and start the first hot water pumping, the hot water in heat storage water tank W1 is pumped in constant temperature water tank W0.The first above-mentioned setting temperature difference is greater than the second setting temperature difference, and both are positive number.
The temperature of water in constant temperature water tank W0 is detected by No. zero temperature sensor T0, when this temperature is lower than the second target temperature, and carry out the 3rd water circulation when solar thermal collector effect temperature difference is less than the first setting temperature difference, and when lasting till this temperature higher than the second target temperature, stop the 3rd water circulation; When this temperature is lower than the second target temperature, and solar thermal collector effect temperature difference be more than or equal to the first setting temperature difference and meet second pump condition time then carry out the second hot water and pump.The second above-mentioned target temperature is lower than first object temperature.
The method of the technical program hot-water supply is:
The temperature of water in return pipe 11 is detected by No. four temperature sensor T4, when this temperature is lower than the 4th target temperature, open No. six magnetic valve D6 and start return circulating pump B0 and work, when the temperature of water in return pipe 11 is higher than the second low water level lower than setting of the water level of the 3rd target temperature or constant temperature water tank W0, closes No. six magnetic valve D6 and return circulating pump B0 is quit work; When water in return pipe 11 temperature higher than or when equaling the 4th target temperature and be less than the 3rd target temperature, the start and stop state of the open and-shut mode of No. six magnetic valve D6 and return circulating pump B0 keeps; The second above-mentioned target temperature is higher than the 3rd target temperature, and the 3rd target temperature is higher than the 4th target temperature.
Claims (1)
1. efficient solar energy and an air source heat pump combine heat-collecting system, comprises heat storage water tank W1, constant temperature water tank W0, solar thermal collector H1, air source heat pump P1, thermal-arrest circulating pump B1, return circulating pump B0, signal picker, magnetic valve, connecting pipe and controller; Signal picker comprises temperature sensor, level sensor and flow sensor Q0; Magnetic valve has seven, is numbered zero to No. six, comprises No. zero magnetic valve D0, magnetic valve D1, No. two magnetic valve D2, No. three magnetic valve D3, No. four magnetic valve D4, No. five magnetic valve D5 and No. six magnetic valve D6; Connecting pipe has 11, be numbered one to ride on Bus No. 11, comprise a connecting pipe, No. two connecting pipes, No. three connecting pipes, No. four connecting pipes, No. five connecting pipes, No. six connecting pipes, No. seven connecting pipes, No. eight connecting pipes, No. nine connecting pipes, No. ten connecting pipes and ride on Bus No. 11 connecting pipes, wherein ride on Bus No. 11 connecting pipe is also called return pipe;
It is characterized in that: after the pipe path of the pipe path that pipeline connecting mode is formed via two pipe path i.e. No. four connecting pipes and No. five connecting pipes that control break-make by two magnetic valves i.e. battery valve D1 and No. three magnetic valve D3 respectively after the water in two water tanks and heat storage water tank W1 and constant temperature water tank W0 is flowed out from the hot water outlet of the bottom of respective water tank respectively jointly and No. nine connecting pipe formations converges to pipeline trident tie point, flow through thermal-arrest circulating pump B1 and air source heat pump P1 again, afterwards by three magnetic valves i.e. No. two magnetic valve D2, No. four magnetic valve D4 and No. five magnetic valve D5 control to enter three branch roads i.e. the first branch road, one of second branch road and the 3rd branch road, finally enter one of two water tanks again,
Concrete pipeline connecting mode is: the cold water inlet at heat storage water tank W1 top connects running water water inlet pipe by No. zero magnetic valve D0, first hot water inlet at heat storage water tank W1 top connects the water side of solar thermal collector H1 by No. two connecting pipes, hot water outlet bottom heat storage water tank W1 sequentially connects the lower end of No. three magnetic valve D3 and the water inlet end of thermal-arrest circulating pump B1 by No. four connecting pipes, magnetic valve D1 and No. five connecting pipe, and the upper end of No. three magnetic valve D3 then connects the hot water outlet bottom constant temperature water tank W0 by No. nine connecting pipes; The water side of thermal-arrest circulating pump B1 connects the water inlet of air source heat pump P1 by No. six connecting pipes; The delivery port of air source heat pump P1 is then connected to three branch roads by No. seven connecting pipes: the first branch road be sequentially by No. five magnetic valve D5 and No. eight connecting pipes to the water inlet end of solar thermal collector H1, second branch road be sequentially by No. two magnetic valve D2 and No. three connecting pipes to second hot water inlet at heat storage water tank W1 top, the 3rd branch road be sequentially by No. four magnetic valve D4 and No. one connecting pipes to the hot water inlet at constant temperature water tank W0 top; Service water outlet bottom constant temperature water tank W0 is sequentially connected to the heat supply water pipe of each floor by return circulating pump B0, No. ten connecting pipes, wherein, service water outlet bottom constant temperature water tank W0 connects the water inlet end of return circulating pump B0, and the water side of return circulating pump B0 is connected with No. ten connecting pipes; The backwater entrance at constant temperature water tank W0 top is sequentially connected to the heat supply water pipe of each floor by No. six magnetic valve D6 and return pipe.
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| CN104165401A (en) * | 2014-08-28 | 2014-11-26 | 福建师范大学 | Efficient solar-energy and air-source-heat-pump combined heat collecting system |
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| CN104165401A (en) * | 2014-08-28 | 2014-11-26 | 福建师范大学 | Efficient solar-energy and air-source-heat-pump combined heat collecting system |
| CN104165401B (en) * | 2014-08-28 | 2017-01-18 | 福建师范大学 | Efficient solar-energy and air-source-heat-pump combined heat collecting system |
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