CN113237130A - Solar energy and air energy efficient circulating heating system - Google Patents
Solar energy and air energy efficient circulating heating system Download PDFInfo
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- CN113237130A CN113237130A CN202110341865.4A CN202110341865A CN113237130A CN 113237130 A CN113237130 A CN 113237130A CN 202110341865 A CN202110341865 A CN 202110341865A CN 113237130 A CN113237130 A CN 113237130A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/0002—Means for connecting central heating radiators to circulation pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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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
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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
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a solar energy and air energy efficient circulating heating system which comprises a solar heat collecting system, a heat storage water tank, an air source heat pump and a heating tail end, wherein the solar heat collecting system is connected with a heating liquid inlet pipeline and a heating liquid outlet pipeline; an electric three-way valve I, a circulating pump I and an electric three-way valve II are respectively arranged on the heating liquid outlet pipeline along the water flow direction; the heat storage water tank is provided with an inner container, the inner container is communicated with an air source heat pump through a heat pump circulating pipeline, and an electric three-way valve IV is arranged on a heating liquid inlet pipeline between an electric three-way valve III and the solar heat collection system. The system controls the circulation direction of the pipeline through 4 electric three-way valves, so that the system realizes 5 functional circulation modes, can utilize solar energy to the maximum extent, ensures the highest COP of the air source heat pump, saves electric energy and ensures the heating effect.
Description
Technical Field
The invention relates to the technical field of solar heat utilization, in particular to a solar air energy efficient circulating heating system.
Background
The existing solar energy and air source heat pump is applied to heating projects in certain areas, a water tank is mostly adopted in a system, heat of solar energy is stored in the water tank in the daytime, and when the water temperature in the water tank meets the heating temperature requirement, the water tank can be used for heating. When the water temperature in the water tank does not reach the heating temperature, the air source heat pump heats the water in the water tank, and the heat supply is continued when the water temperature reaches the heating temperature. However, since the COP of the air source heat pump decreases with a decrease in temperature, the outdoor environment is relatively cold and the indoor temperature is low at night when the COP of the heat pump is low. Such as the university of beijing industry (application number: 202011074660.6). When the illumination is sufficient in the daytime, the solar heating device can sufficiently bear the heating requirement of a user, and at the moment, the air source heat pump heating loop is in a closed state.
Heating has certain requirements on the water temperature in a water tank of a water heater, and the diameter of the water tank of the solar water heater is generally reduced by the conventional manufacturers to reduce the water amount corresponding to a single vacuum tube, so that hot water with higher temperature is obtained for heating. For example, the diameter of the inner container of Hebei Daoruan New energy technology Limited (application number: 201920494951.7) is 250-300 mm. The water heater adopts the water tank side respectively to have 2 inlet outlets, and the mouth of a river adopts and arranges from top to bottom, and the water tank goes out water and adopts the lower mouth of a river, and when heating like this, the hot water that circulates back is in the water tank bottom, is taken away easily once more and gets into the heating circulation, causes hot water in the upper strata of water tank, and the temperature of circulation heating water is on the low side, can not play the effect of heating.
In summary, in order to overcome the defects in the prior art, a solar energy and air energy efficient circulation heating system is particularly needed to solve the defects in the prior art.
Disclosure of Invention
Aiming at the problems in the prior art and influencing the practical use, the invention provides a solar air energy high-efficiency circulating heating system which is reasonable in design and can effectively obtain hot water, and the defects in the prior art are overcome.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a high-efficient circulation heating system of solar energy air energy, includes solar energy collection system, heat storage water tank, air source heat pump, control center and heating end, and its characteristics are: the solar heat collection system is connected with a heating liquid inlet pipeline and a heating liquid outlet pipeline, the heating liquid inlet pipeline is connected with a liquid outlet at the tail end of the heating, and the heating liquid outlet pipeline is connected with a liquid inlet at the tail end of the heating; an electric three-way valve I, a circulating pump I and an electric three-way valve II are respectively arranged on the heating liquid outlet pipeline along the water flow direction;
the heat storage water tank is provided with an inner container, the inner container is communicated with the air source heat pump through a heat pump circulating pipeline, and a circulating pump II is arranged on the heat pump circulating pipeline; the inner container is provided with a water inlet and a water outlet, the water inlet is connected with a water inlet pipeline, the water inlet pipeline is connected with a heating liquid inlet pipeline through an electric three-way valve III, and a heating liquid inlet pipeline between the electric three-way valve III and the solar heat collection system is provided with an electric three-way valve IV; the water outlet is connected with a water outlet pipeline, and the water outlet pipeline is connected with the electric three-way valve I; a heat exchanger is arranged in the inner container, the liquid inlet end of the heat exchanger is communicated with the electric three-way valve II, and the liquid outlet end of the heat exchanger is communicated with the electric three-way valve IV;
water temperature and water level sensors are arranged in the heat storage water tank and the solar heat collection system, an indoor temperature sensor is arranged indoors, and the water temperature and water level sensors, the indoor temperature sensor, the four electric three-way valves and the circulating pump are all connected with a control center;
when indoor heating is needed and the temperature measured by a water temperature and water level sensor of the solar heat collection system reaches the heating temperature, the control center controls to open the electric three-way valve I, the circulating pump I and the electric three-way valve II, and liquid in the solar heat collection system circulates with the heating tail end through a heating liquid inlet pipeline, a heating liquid outlet pipeline to realize heating operation; if the indoor temperature reaches the expectation, the solar heat collection system and the heat exchanger realize a closed cycle by switching the electric three-way valve II and the electric three-way valve IV, the liquid in the inner container of the heat storage water tank is heated by the heat exchanger, and the heat is stored in the water tank;
the control center can have the function of internet of things, can predict the temperature conditions of the day and the next day through networking, controls the air source heat pump to work simultaneously to heat liquid in the heat storage water tank when the solar heat collection system is used for heating in the day, calculates heat required by indoor heating according to the weather conditions of the day night and the next day, and heats the temperature of the heat storage water tank to a proper temperature, and if the external temperature is low and the wind is large, the water temperature of the water tank needs to be heated to 60-65 ℃; if the outside temperature is moderate and the air flow is small, the water temperature of the water tank needs to be heated to 55-60 ℃; if the outside temperature is higher, the water temperature of the water tank needs to be heated to 45-55 ℃; when the temperature of liquid in the solar heat collection system is reduced and cannot meet the heating requirement and the indoor temperature is lower than the set temperature, opening an electric three-way valve I, a circulating pump I, an electric three-way valve II and an electric three-way valve III, communicating a heat storage water tank with the heating tail end through a water inlet pipeline, a water outlet pipeline, a heating liquid inlet pipeline and a heating liquid outlet pipeline, and circulating the heat storage water tank and the heating tail end to realize heating operation;
an anti-freezing circulation system is formed between the solar heat collection system and the heat storage water tank, when the temperature is reduced at night and the temperature in the pipeline reaches the set temperature, the temperature is generally set to be 0-4 ℃, the control center starts the circulation pump I to exchange heat between liquid in the solar heat collection system and hot water in the heat storage water tank through the heat exchanger, and the circulation time is generally set to be 3-5 minutes, so that the water in the pipeline is heated to realize anti-freezing.
The circulating medium in the heating system can be water or antifreeze.
The control center is any one of the control centers disclosed in the prior art and suitable for the system.
The technical problem to be solved by the invention can be further realized by the following technical scheme, wherein the solar heat collecting system is a header type solar heat collector.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the solar heat collection system is composed of at least one vacuum tube direct-insert heat collector, the vacuum tube direct-insert heat collector comprises a water storage tank, a liquid inlet and a liquid outlet are respectively arranged on two sides of the water storage tank, a heating liquid inlet pipeline is connected with the liquid inlet, a heating liquid outlet pipeline is connected with the liquid outlet, the liquid inlet and the liquid outlet are respectively arranged at 1/3-2/3 parts of the upper part of the water storage tank, circulating pipe joints are respectively arranged in the liquid inlet and the liquid outlet, and a water flow guiding device matched with the circulating pipe joints is arranged on the inner side of the water storage tank.
The technical problem to be solved by the invention can be further solved by adopting the following technical scheme that the water flow guiding device comprises a guiding plate which is obliquely arranged, the guiding plate is an arc-shaped plate, one end surface of the guiding plate is connected with the end cover of the heat storage water tank, a V-shaped water flow vortex cavity is formed between the guiding plate and the end cover of the heat storage water tank, the liquid inlet interface or the liquid outlet interface is positioned in the water flow vortex cavity, the opening of the water flow vortex cavity at the liquid outlet interface is upwards arranged, and the opening of the water flow vortex cavity at the liquid inlet interface is downwards arranged; the plate surface of the guide plate close to the free end is provided with a plurality of inlet and outlet holes which can increase the water flow speed; an upper water temperature and water level sensor is arranged in the heat storage water tank, and the tail end of the water temperature and water level sensor is arranged in a water flow vortex cavity at the liquid outlet joint, so that the temperature of the heating water can be accurately detected. When water is fed, the opening direction is downward, cold water flows to the bottom of the water tank, and when water is discharged, hot water at the upper part is preferentially taken out because the opening direction is upward.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the distance between the free end part of the guide plate and the inner wall of the heat storage water tank is 2/3-1/5 of the diameter of the heat storage water tank.
The technical problem to be solved by the invention can be further solved by adopting the following technical scheme that the water flow guiding device comprises a water inlet guiding pipe connected with a circulating pipe joint on the liquid inlet interface and a water outlet guiding pipe connected with a circulating pipe joint on the liquid outlet interface, wherein the water inlet guiding pipe and the water outlet guiding pipe are both arc-shaped pipes, the water inlet guiding pipe is arranged in a downward bent manner, and the water outlet guiding pipe is arranged in an upward bent manner. The water inlet and outlet directions can be adjusted by using the water inlet guide pipe and the water outlet guide pipe, and when water enters, the direction of the guide pipe is downward, and cold water flows to the bottom of the water tank. When water is discharged, the direction of the diversion pipe is upward, and hot water at the upper part is preferentially taken out.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the water inlet guide pipe and the water outlet guide pipe are both in a horn shape, a plurality of sieve pores are arranged on the pipe walls of the water inlet guide pipe and the water outlet guide pipe, and the diameters of the sieve pores are gradually increased from the root parts to the end openings; the distance between the end parts of the water inlet guide pipe and the water outlet guide pipe and the inner wall of the heat storage water tank is 2/3-1/5 of the diameter of the heat storage water tank.
The technical problem to be solved by the invention can be further realized by the following technical scheme that an upper-mounted or lower-mounted water temperature and water level sensor is arranged in the heat storage water tank, and the water temperature sensor is positioned at 3/5-3/4 in the water tank and is 20-40cm away from the water outlet flow guide pipe, so that the temperature of actual heating water can be sensed more accurately.
The system controls the circulation direction of the pipeline through 4 electric three-way valves, so that the system realizes a circulation mode with 5 functions, can utilize solar energy to the maximum extent, and has the following specific circulation mode;
solar heating circulation mode, when the low heating that needs of temperature that indoor temperature sensor measures to when solar energy collection system's temperature reaches the heating temperature, control center opens electronic three-way valve I, circulating pump I and electronic three-way valve II, and the liquid in the solar energy collection system is through the heating liquid inlet pipe way and the heating liquid outlet pipe way and the terminal circulation realization heating operation of heating.
In the solar heat storage mode, if the indoor temperature measured by the indoor temperature sensor reaches or is higher than the set temperature, the control center switches the electric three-way valve II and the electric three-way valve IV to realize a closed cycle of the solar heat collection system and the heat exchanger, heats the liquid in the inner container of the heat storage water tank through the heat exchanger, and stores the heat in the water tank.
Air source heat pump heat-retaining mode, daytime when using solar energy collection system to carry out the heating, air source heat pump simultaneous working heats for liquid in the heat storage water tank, improves the liquid basis temperature in the heat storage water tank to improve the efficiency of heat pump.
In the heat pump heating mode, when the temperature of liquid in the solar heat collection system is reduced and cannot meet the heating requirement, the electric three-way valve I, the circulating pump I, the electric three-way valve II and the electric three-way valve III are opened, the heat storage water tank is communicated with the heating tail end through a water inlet pipeline, a water outlet pipeline, a heating liquid inlet pipeline and a heating liquid outlet pipeline, and the heat storage water tank and the heating tail end are circulated to realize heating operation;
in the solar anti-freezing circulation mode, an anti-freezing circulation system is formed between the solar heat collection system and the heat storage water tank, the temperature in the pipeline is generally set to be 0-4 ℃ after reaching the set temperature, the control center starts the circulation pump I to exchange heat between liquid in the solar heat collection system and hot water in the heat storage water tank through the heat exchanger, the circulation time is generally set to be 3-5 minutes, the water in the pipeline is heated to realize anti-freezing, and therefore an anti-freezing electric tracing band does not need to be added on the pipeline.
When the vacuum tube direct-insert type heat collector is used, the liquid inlet interface and the liquid outlet interface are respectively arranged at two sides of the heat storage water tank, the water inlet and the water outlet are positioned at 1/3-2/3 parts of the upper part of the water tank, and meanwhile, the water flow guiding device is arranged at the water inlet and the water outlet, so that hot water circulating back flows to the bottom of the water tank during heating, and hot water on the upper layer is preferentially taken out for heating, thereby improving the heating effect.
Compared with the prior art, the system controls the circulation direction of the pipeline through 4 electric three-way valves, so that the system realizes 5 functional circulation modes, can utilize solar energy to the maximum extent, ensures the highest COP of the air source heat pump, saves electric energy and ensures the heating effect.
Drawings
The invention is described in detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic diagram of a heating system according to the present invention;
FIG. 2 is a schematic diagram of a heat storage mode according to the present invention;
FIG. 3 is a schematic view of one configuration of the air source heat pump utilization and heating modes of the present invention;
FIG. 4 is a schematic view of an embodiment of the freeze cycle protection mode of the present invention;
FIG. 5 is a front view of a hot water storage tank with a trumpet-shaped curved flow guide plate according to the present invention;
FIG. 6 is a front view of a hot water storage tank with a baffle of an equal diameter arc pipe according to the present invention;
fig. 7 is a front view of a hot water storage tank with an arc-shaped guide plate according to the present invention;
FIG. 8 is a side view of an arcuate plate baffle at a heating circulation inlet of the present invention;
FIG. 9 is a side view of an arcuate plate baffle at a heating circuit outlet of the present invention;
FIG. 10 is a schematic view of the anti-rotation component mounting of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, the solar air energy efficient circulation heating system comprises a solar heat collection system 1, a heat storage water tank 7, an air source heat pump 11, a control center and a heating terminal 13, wherein the heating terminal 13 can be a radiator or a floor heating. The solar heat collection system 1 is connected with a heating liquid inlet pipeline 15 and a heating liquid outlet pipeline 2, the heating liquid inlet pipeline 15 is connected with a liquid outlet of a heating terminal 13, and the heating liquid outlet pipeline 2 is connected with a liquid inlet of the heating terminal 13; an electric three-way valve I3, a circulating pump I4 and an electric three-way valve II 5 are respectively arranged on the heating liquid outlet pipeline 2 along the water flow direction.
The heat storage water tank 7 is provided with an inner container, an exhaust pipe is connected to the inner container, the inner container is communicated with an air source heat pump 11 through a heat pump circulating pipeline 10, and a circulating pump II is arranged on the heat pump circulating pipeline 10; the inner container is provided with a water inlet and a water outlet, the water inlet is connected with a water inlet pipeline 9, the water inlet pipeline 9 is connected with a heating liquid inlet pipeline 15 through an electric three-way valve III 14, and an electric three-way valve IV 12 is arranged on the heating liquid inlet pipeline 15 between the electric three-way valve III 14 and the solar heat collection system 1; the water outlet is connected with a water outlet pipeline 6, and the water outlet pipeline 6 is connected with an electric three-way valve I3; and a heat exchanger 8 is arranged in the inner container, the liquid inlet end of the heat exchanger 8 is communicated with the electric three-way valve II 5, and the liquid outlet end of the heat exchanger 8 is communicated with the electric three-way valve IV 12. All be equipped with temperature level sensor in heat storage water tank 7 and solar energy collection system 1, be equipped with indoor temperature sensor indoor, temperature level sensor, indoor temperature sensor, four electronic three-way valves and circulating pump all link to each other with control center.
The solar heat collecting system 1 is a header type solar heat collector or is formed by connecting two vacuum tube direct-insert type heat collectors in series, the vacuum tube direct-insert type heat collectors comprise a water storage tank 101, a liquid inlet interface 102 and a liquid outlet interface 107 are respectively arranged on two sides of the water storage tank 101, and a water feeding pipe, an exhaust pipe 105 and an overflow pipe are arranged on the water storage tank 101. The heating liquid inlet pipeline 15 is connected with the liquid inlet interface 102, the heating liquid outlet pipeline 2 is connected with the liquid outlet interface 107, the liquid inlet interface 2 and the liquid outlet interface 107 are respectively arranged at the 1/2 position at the upper part of the water storage tank 101, the liquid inlet interface 102 and the liquid outlet interface 107 are both provided with circulating pipe joints 108, and the inner side of the water storage tank 101 is provided with a water flow guiding device matched with the circulating pipe joints 108.
The water flow guide device has two structures which are respectively as follows:
referring to fig. 7, the water flow guiding device comprises an arc-shaped guiding plate 104 which is obliquely arranged, one end surface of the arc-shaped guiding plate is connected with an end cover of the water storage tank 101, a V-shaped water flow vortex cavity is formed between the guiding plate 104 and the end cover of the water storage tank 101, when water flows, the water pressure is suddenly reduced, and the water flow speed is accelerated; the liquid inlet interface 102 or the liquid outlet interface 107 is located in a water flow vortex cavity, an opening of the water flow vortex cavity at the liquid outlet interface 107 is arranged upwards, when the heated water is at the uppermost liquid level of the water storage tank 101, the water flow temperature is high and constant, when the heated water is discharged, because the opening direction is upwards, hot water at the upper part is preferentially taken out, and the hot water with constant temperature continuously fills the water and then flows out. The inlet interface 102 and the outlet interface 107 are preset with upper and lower marks, one side of the inlet interface 102 is marked downwards, and the opening of the water flow vortex cavity at the inlet interface 102 is arranged downwards. One side of the liquid outlet port 107 is marked upwards, and the opening of the water flow vortex cavity at the liquid outlet port 107 is installed upwards to ensure that the water flow direction is correct at the liquid inlet port 102 and the liquid outlet port 107. When water enters, the opening direction of the water flow vortex cavity is downward, cold water can flow to the bottom of the water storage tank 101, and the water is quickly filled in the water storage tank 101 and then absorbs heat to heat.
The guide plate 104 is provided with a plurality of inlet and outlet holes 103 on the plate surface near the free end, and the inlet and outlet holes 103 can increase the water flow speed. The free end of baffle 104 is spaced from the inner wall of tank 101 by 1/5 the diameter of tank 101. Meanwhile, an upper water temperature and water level sensor 109 is arranged in the water storage tank 101, and the tail end of the water temperature and water level sensor 109 is arranged in a water flow vortex cavity at the liquid outlet port 107, so that the temperature of the heating water can be accurately detected.
Referring to fig. 5, 6, 7, 8, 9 and 10, another structure of the water flow guiding device is as follows: the water flow guiding device comprises a water inlet guiding pipe 110 connected with a circulating pipe joint 108 on the liquid inlet interface 102 and a water outlet guiding pipe 111 connected with a circulating pipe joint 108 on the liquid outlet interface 107. The water inlet guide pipe 110 and the water outlet guide pipe 111 are connected with the circulating pipe joint 108 by positioning threads; the upper and lower marks are preset on the liquid inlet interface 102 and the liquid outlet interface 107, one side of the liquid inlet interface 102 is marked downwards, the pipe orifice of the water inlet guide pipe 110 is installed downwards, one side of the liquid outlet interface 107 is marked upwards, and the pipe orifice of the water inlet guide pipe 110 is installed upwards, so that the correct water flow direction at the liquid inlet interface 102 and the liquid outlet interface 107 is ensured. The water inlet guide pipe 110 and the water outlet guide pipe 111 and the circulating pipe joint 108 can also adopt a clamping structure or other clamping structures; the honeycomb duct 110 of intaking once more and play water honeycomb duct 111 and circulation coupling 108 can also adopt flexible coupling suspension structure, honeycomb duct 110 of intaking and play water honeycomb duct 111 all are equipped with anti-rotation component on storage water tank 101 wall, and anti-rotation component realizes the circumferential rotation of body after the foaming, realizes that circumferential rotation is spacing.
The water inlet guide pipe 110 and the water outlet guide pipe 111 are both arc pipes, the water inlet guide pipe 110 is arranged in a downward bending mode, and the water outlet guide pipe 111 is arranged in an upward bending mode. The inlet guide pipe 110 and the outlet guide pipe 111 are equal-diameter pipe openings or horn-shaped pipe openings, a plurality of sieve holes 106 are formed in the pipe walls of the inlet guide pipe 110 and the outlet guide pipe 111, and the diameters of the sieve holes 106 are gradually increased from the roots of the sieve holes to the ports. Specifically, as described above, the screen openings 106 are distributed at the constant diameter nozzle or the flare nozzle. When water enters, the water can be shunted through the sieve holes 106 and quickly enters the water storage tank 101; when water is discharged, the water outlet flow guide pipe 111 is quickly filled with the water through the sieve holes 106. The water inlet and outlet directions of the water inlet and outlet guide pipes 110 and 111 can be adjusted, when water enters, the water inlet and outlet directions are marked downwards on one side of the liquid inlet interface 102, the pipe orifice of the water inlet guide pipe 110 is installed downwards, the bell mouth direction of the water inlet guide pipe 110 is installed downwards, and cold water directly flows into the bottom of the water storage tank downwards. When water is discharged, one side of the liquid outlet port 107 is marked upwards, and the bell mouth of the water outlet guide pipe 111 is installed upwards so as to take out the hot water at the upper part preferentially.
The distance between the end parts of the water inlet guide pipe 110 and the water outlet guide pipe 111 and the inner wall of the water storage tank 101 is 2/3-1/5 of the diameter of the hot water storage tank 7. Meanwhile, an upper or lower water temperature and level sensor 109 is arranged in the water storage tank 101, and the water temperature and level sensor 109 is positioned in the 3/5-3/4 of the water tank and is 20-40cm away from the water outlet guide pipe, so that the temperature of the actual heating water can be sensed more accurately.
The system controls the circulation direction of the pipeline through 4 electric three-way valves, so that the system realizes a circulation mode with 5 functions, solar energy can be utilized to the maximum extent, the highest COP of the air source heat pump 11 is ensured, electric energy is saved, and the heating effect is ensured. The specific circulation pattern is as follows;
in the heating circulation mode, when indoor heating is needed and the temperature measured by a water temperature and water level sensor in a water tank of the solar heat collecting system 1 reaches the heating temperature, a radiator system is adopted, and when the water temperature of the solar heat collecting system 1 is higher than 45-65 ℃; when the water temperature of the solar heat collection system 1 is higher than 35-55 ℃, the control center opens the electric three-way valve I3, the circulating pump I4 and the electric three-way valve II 5, and liquid in the solar heat collection system 1 circulates with the heating tail end 13 through the heating liquid inlet pipeline 15, the heating liquid outlet pipeline 2 to realize heating operation.
In the heat storage mode, if the indoor temperature reaches the expectation, the solar heat collection system 1 and the heat exchanger 8 realize a closed cycle through the switching of the electric three-way valve II 5 and the electric three-way valve IV 12, the liquid in the inner container of the heat storage water tank 7 is heated through the heat exchanger 8, and the heat is stored in the water tank.
The air source heat pump 11 is in a heat storage mode, the control center can have the function of internet of things, the temperature conditions of the day and the next day can be predicted through networking, the control center controls the air source heat pump 11 to work simultaneously to heat liquid in the heat storage water tank 7 when the solar heat collection system 1 is used for heating in the day, heat required by indoor heating is calculated according to the weather conditions of the day night and the next day, and the temperature of the heat storage water tank 7 is heated to a proper temperature, and if the external temperature is low and the wind is large, the water temperature of the water tank needs to be heated to 60-65 ℃; if the outside temperature is moderate and the air flow is small, the water temperature of the water tank needs to be heated to 55-60 ℃; if the outside temperature is higher, the water temperature of the water tank needs to be heated to 45-55 ℃; the liquid base temperature in the heat storage water tank 7 is increased, thereby improving the efficiency of the heat pump.
In the heat pump heating mode, when the temperature of liquid in the solar heat collection system 1 is reduced and cannot meet the heating requirement and the indoor temperature is lower than the set temperature, the electric three-way valve I3, the circulating pump I4, the electric three-way valve II 5 and the electric three-way valve III 14 are opened, the heat storage water tank 7 is communicated with the heating tail end 13 through the water inlet pipeline 9, the water outlet pipeline 6, the heating liquid inlet pipeline 15 and the heating liquid outlet pipeline 2, and the heat storage water tank 7 and the heating tail end 13 are circulated to realize heating operation;
in the anti-freezing circulation mode, an anti-freezing circulation system is formed between the solar heat collection system 1 and the heat storage water tank 7, when the temperature in the pipeline reaches a set temperature at night, the temperature is generally set to be 0-4 ℃, the control center starts the circulation pump I4 to exchange heat between liquid in the solar heat collection system 1 and hot water in the heat storage water tank 7 through the heat exchanger 8, the circulation time is generally set to be 3-5 minutes, so that the water in the pipeline is heated to be prevented from freezing, and an anti-freezing electric tracing band does not need to be added on the pipeline.
In addition, the solar heat collecting system 1 is a header type solar heat collector or at least one vacuum tube direct-insert type heat collector, when the vacuum tube direct-insert type heat collector is used, the liquid inlet interface and the liquid outlet interface are respectively arranged at two sides of the heat storage water tank 7, the water inlet and the water outlet are positioned at 1/3-2/3 parts of the upper part of the water tank, and meanwhile, the water flow guiding device is arranged at the water inlet and the water outlet, so that hot water circulating back flows to the bottom of the water tank during heating, the hot water at the upper layer is preferentially taken out for heating, and the heating effect is improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a high-efficient circulation heating system of solar energy air energy, includes solar energy collection system, heat storage water tank, air source heat pump, heating terminal and control center, its characterized in that: the solar heat collection system is connected with a heating liquid inlet pipeline and a heating liquid outlet pipeline, the heating liquid inlet pipeline is connected with a liquid outlet at the tail end of the heating, and the heating liquid outlet pipeline is connected with a liquid inlet at the tail end of the heating; an electric three-way valve I, a circulating pump I and an electric three-way valve II are respectively arranged on the heating liquid outlet pipeline along the water flow direction;
the heat storage water tank is provided with an inner container, the inner container is communicated with the air source heat pump through a heat pump circulating pipeline, and a circulating pump II is arranged on the heat pump circulating pipeline; the inner container is provided with a water inlet and a water outlet, the water inlet is connected with a water inlet pipeline, the water inlet pipeline is connected with a heating liquid inlet pipeline through an electric three-way valve III, and a heating liquid inlet pipeline between the electric three-way valve III and the solar heat collection system is provided with an electric three-way valve IV; the water outlet is connected with a water outlet pipeline, and the water outlet pipeline is connected with the electric three-way valve I; a heat exchanger is arranged in the inner container, the liquid inlet end of the heat exchanger is communicated with the electric three-way valve II, and the liquid outlet end of the heat exchanger is communicated with the electric three-way valve IV;
water temperature and water level sensors are arranged in the heat storage water tank and the solar heat collection system, an indoor temperature sensor is arranged indoors, and the water temperature and water level sensors, the indoor temperature sensor, the four electric three-way valves and the circulating pump are all connected with a control center;
when the indoor needs to be heated and the temperature of the solar heat collection system reaches the heating temperature, the electric three-way valve I, the circulating pump I and the electric three-way valve II are opened, and liquid in the solar heat collection system circulates with the heating tail end through a heating liquid inlet pipeline, a heating liquid outlet pipeline and a heating tail end to realize heating operation; if the indoor temperature reaches the expectation, the solar heat collection system and the heat exchanger realize a closed cycle by switching the electric three-way valve II and the electric three-way valve IV, the liquid in the inner container of the heat storage water tank is heated by the heat exchanger, and the heat is stored in the water tank;
when the solar heat collection system is used for heating in the daytime, the air source heat pump works simultaneously to heat liquid in the heat storage water tank, when the temperature of the liquid in the solar heat collection system is reduced and cannot meet the heating requirement, the electric three-way valve I, the circulating pump I, the electric three-way valve II and the electric three-way valve III are opened, the heat storage water tank is communicated with the heating tail end through a water inlet pipeline, a water outlet pipeline, a heating liquid inlet pipeline and a heating liquid outlet pipeline, and the heat storage water tank and the heating tail end are circulated to realize heating operation;
an anti-freezing circulating system is formed between the solar heat collecting system and the heat storage water tank, after the temperature of the solar heat collecting system is reduced to reach the set temperature at night, the circulating pump I is started, liquid in the solar heat collecting system is subjected to heat exchange with hot water in the heat storage water tank through the heat exchanger, and water in a pipeline is heated to achieve anti-freezing effect.
2. The solar energy and air energy efficient circulating heating system according to claim 1, wherein: the solar heat collecting system is a header type solar heat collector.
3. The solar energy and air energy efficient circulating heating system according to claim 1, wherein: the solar heat collection system is composed of at least one vacuum tube direct-insert type heat collector, the vacuum tube direct-insert type heat collector comprises a water storage tank, a liquid inlet port and a liquid outlet port are respectively arranged on two sides of the water storage tank, a heating liquid inlet pipeline is connected with the liquid inlet port, a heating liquid outlet pipeline is connected with the liquid outlet port, the liquid inlet port and the liquid outlet port are respectively arranged at 1/3-2/3 positions on the upper portion of the water storage tank, circulating pipe joints are respectively arranged in the liquid inlet port and the liquid outlet port, and a water flow guiding device matched with the circulating pipe joints.
4. The solar-air energy efficient circulating heating system according to claim 3, wherein: the water flow guiding device comprises a guiding plate which is obliquely arranged, the guiding plate is an arc-shaped plate, one end face of the guiding plate is connected with the end cover of the heat storage water tank, a V-shaped water flow vortex cavity is formed between the guiding plate and the end cover of the heat storage water tank, the liquid inlet interface or the liquid outlet interface is positioned in the water flow vortex cavity, the opening of the water flow vortex cavity at the liquid outlet interface is upwards arranged, and the opening of the water flow vortex cavity at the liquid inlet interface is downwards arranged; a plurality of inlet and outlet holes are arranged on the plate surface of the guide plate close to the free end; an upper water temperature and water level sensor is arranged in the heat storage water tank, and the tail end of the water temperature and water level sensor is arranged in a water flow vortex cavity at the liquid outlet joint.
5. The solar-air energy efficient circulating heating system according to claim 4, wherein: the distance between the free end of the guide plate and the inner wall of the heat storage water tank is 2/3-1/5 of the diameter of the heat storage water tank.
6. The solar-air energy efficient circulating heating system according to claim 3, wherein: the water flow guide device comprises a water inlet guide pipe connected with a circulating pipe joint on the liquid inlet interface and a water outlet guide pipe connected with the circulating pipe joint on the liquid outlet interface, the water inlet guide pipe and the water outlet guide pipe are arc pipes, the water inlet guide pipe is arranged in a downward bending mode, and the water outlet guide pipe is arranged in an upward bending mode.
7. The solar-air energy efficient circulating heating system according to claim 6, wherein: the water inlet guide pipe and the water outlet guide pipe are both horn-shaped, the pipe walls of the water inlet guide pipe and the water outlet guide pipe are provided with a plurality of sieve pores, and the diameters of the sieve pores are gradually increased from the root parts to the end openings; the distance between the end parts of the water inlet guide pipe and the water outlet guide pipe and the inner wall of the heat storage water tank is 2/3-1/5 of the diameter of the heat storage water tank.
8. The solar-air energy efficient circulating heating system according to claim 6, wherein: an upper or lower water temperature and water level sensor is arranged in the heat storage water tank, and the water temperature sensor is positioned in 3/5-3/4 inside the water tank and is 20-40cm away from the water outlet guide pipe.
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Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2006757C1 (en) * | 1991-07-10 | 1994-01-30 | Михаил Петрович Домнышев | Sun-electric hot-water supply unit |
| CN2157450Y (en) * | 1993-01-20 | 1994-02-23 | 崔培馨 | Solar and electric water heater |
| JP2000236106A (en) * | 1999-02-17 | 2000-08-29 | Fuji Electric Co Ltd | Solar battery module |
| US20040060808A1 (en) * | 2000-08-09 | 2004-04-01 | Laviolette Paul Alex | Advective solar collector for use in multi-effect fluid distillation and power co-generation |
| US20050115879A1 (en) * | 2002-09-03 | 2005-06-02 | Kochergin Stanislav M. | Water filter and the production method therefor |
| US20090014181A1 (en) * | 2006-10-20 | 2009-01-15 | Vinegar Harold J | Creating and maintaining a gas cap in tar sands formations |
| TW200928252A (en) * | 2007-12-28 | 2009-07-01 | Univ Far East | Forced circulation type solar water heater |
| CN201277743Y (en) * | 2008-09-12 | 2009-07-22 | 河南德美太阳能科技开发有限公司 | Split solar internal stream conduction heat collector |
| US20090188489A1 (en) * | 2006-06-13 | 2009-07-30 | Willi Bihler | Solar element with temperature control device |
| CN201885447U (en) * | 2010-12-28 | 2011-06-29 | 宁波帅康热水器有限公司 | Freezing-resistant anti-overheating solar water heater |
| CN201892336U (en) * | 2010-11-18 | 2011-07-06 | 唐玉敏 | Solar water heater collector panel with deflector |
| CN102183100A (en) * | 2011-05-06 | 2011-09-14 | 广东威博电器有限公司 | Rapid electric auxiliary heating device for solar water heater |
| CN202792540U (en) * | 2012-07-25 | 2013-03-13 | 本科电器有限公司 | Water tank of circulating heating type water heater |
| US20140311551A1 (en) * | 2013-04-17 | 2014-10-23 | Yi Pang | Solar energy system |
| CN204268734U (en) * | 2014-11-18 | 2015-04-15 | 日出东方太阳能股份有限公司 | A kind of without electric supercharging solar water heater |
| US20160363347A1 (en) * | 2015-06-10 | 2016-12-15 | Rheem Manufacturing Company | Electric water heater having dry fire protection capability |
| CN207881221U (en) * | 2018-02-09 | 2018-09-18 | 芜湖美的厨卫电器制造有限公司 | Water tank and gas heater |
| CN208124639U (en) * | 2018-03-30 | 2018-11-20 | 胡赫（青岛）换热水箱有限公司 | Insulated water tank with diversion function |
| CN208186856U (en) * | 2017-11-29 | 2018-12-04 | 宁波奥克斯电气股份有限公司 | A kind of Teat pump boiler |
| CN109592731A (en) * | 2018-12-26 | 2019-04-09 | 四川大学 | A kind of high yield water rate pipe type solar energy distillation equipment of environmental protection |
| CN209147483U (en) * | 2018-10-30 | 2019-07-23 | 山东力诺瑞特新能源有限公司 | A kind of solar water heater heat storage water tank |
| CN110145787A (en) * | 2019-05-23 | 2019-08-20 | 浙江大学 | Solar energy and heat pump united heating system and its method suitable for extremely frigid zones |
| CN209840250U (en) * | 2019-04-22 | 2019-12-24 | 河北道荣新能源科技有限公司 | Solar energy coupling soil source heat pump heating system for greenhouse |
| CN111207434A (en) * | 2020-01-17 | 2020-05-29 | 四川省建筑设计研究院有限公司 | Solar energy coupling air source heat pump complementary heating system and control method |
| CN111964277A (en) * | 2020-08-28 | 2020-11-20 | 江苏浴普太阳能有限公司 | Vacuum tube solar water heater with heat convection function and control method thereof |
-
2021
- 2021-03-30 CN CN202110341865.4A patent/CN113237130B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2006757C1 (en) * | 1991-07-10 | 1994-01-30 | Михаил Петрович Домнышев | Sun-electric hot-water supply unit |
| CN2157450Y (en) * | 1993-01-20 | 1994-02-23 | 崔培馨 | Solar and electric water heater |
| JP2000236106A (en) * | 1999-02-17 | 2000-08-29 | Fuji Electric Co Ltd | Solar battery module |
| US20040060808A1 (en) * | 2000-08-09 | 2004-04-01 | Laviolette Paul Alex | Advective solar collector for use in multi-effect fluid distillation and power co-generation |
| US20050115879A1 (en) * | 2002-09-03 | 2005-06-02 | Kochergin Stanislav M. | Water filter and the production method therefor |
| US20090188489A1 (en) * | 2006-06-13 | 2009-07-30 | Willi Bihler | Solar element with temperature control device |
| US20090014181A1 (en) * | 2006-10-20 | 2009-01-15 | Vinegar Harold J | Creating and maintaining a gas cap in tar sands formations |
| TW200928252A (en) * | 2007-12-28 | 2009-07-01 | Univ Far East | Forced circulation type solar water heater |
| CN201277743Y (en) * | 2008-09-12 | 2009-07-22 | 河南德美太阳能科技开发有限公司 | Split solar internal stream conduction heat collector |
| CN201892336U (en) * | 2010-11-18 | 2011-07-06 | 唐玉敏 | Solar water heater collector panel with deflector |
| CN201885447U (en) * | 2010-12-28 | 2011-06-29 | 宁波帅康热水器有限公司 | Freezing-resistant anti-overheating solar water heater |
| CN102183100A (en) * | 2011-05-06 | 2011-09-14 | 广东威博电器有限公司 | Rapid electric auxiliary heating device for solar water heater |
| CN202792540U (en) * | 2012-07-25 | 2013-03-13 | 本科电器有限公司 | Water tank of circulating heating type water heater |
| US20140311551A1 (en) * | 2013-04-17 | 2014-10-23 | Yi Pang | Solar energy system |
| CN204268734U (en) * | 2014-11-18 | 2015-04-15 | 日出东方太阳能股份有限公司 | A kind of without electric supercharging solar water heater |
| US20160363347A1 (en) * | 2015-06-10 | 2016-12-15 | Rheem Manufacturing Company | Electric water heater having dry fire protection capability |
| CN208186856U (en) * | 2017-11-29 | 2018-12-04 | 宁波奥克斯电气股份有限公司 | A kind of Teat pump boiler |
| CN207881221U (en) * | 2018-02-09 | 2018-09-18 | 芜湖美的厨卫电器制造有限公司 | Water tank and gas heater |
| CN208124639U (en) * | 2018-03-30 | 2018-11-20 | 胡赫（青岛）换热水箱有限公司 | Insulated water tank with diversion function |
| CN209147483U (en) * | 2018-10-30 | 2019-07-23 | 山东力诺瑞特新能源有限公司 | A kind of solar water heater heat storage water tank |
| CN109592731A (en) * | 2018-12-26 | 2019-04-09 | 四川大学 | A kind of high yield water rate pipe type solar energy distillation equipment of environmental protection |
| CN209840250U (en) * | 2019-04-22 | 2019-12-24 | 河北道荣新能源科技有限公司 | Solar energy coupling soil source heat pump heating system for greenhouse |
| CN110145787A (en) * | 2019-05-23 | 2019-08-20 | 浙江大学 | Solar energy and heat pump united heating system and its method suitable for extremely frigid zones |
| CN111207434A (en) * | 2020-01-17 | 2020-05-29 | 四川省建筑设计研究院有限公司 | Solar energy coupling air source heat pump complementary heating system and control method |
| CN111964277A (en) * | 2020-08-28 | 2020-11-20 | 江苏浴普太阳能有限公司 | Vacuum tube solar water heater with heat convection function and control method thereof |
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Effective date of registration: 20221128 Address after: 222000 Yingzhou South Road, Lianyungang, Jiangsu Province, No. 199 Patentee after: Four seasons Muge Technology Group Co.,Ltd. Address before: 222000 Jiatai international industrial city, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Patentee before: JIANGSU MICOE CO.,LTD. |