CN104132387A - Solar heat pump and phase change energy storage heat pump combined heating system and control method - Google Patents
Solar heat pump and phase change energy storage heat pump combined heating system and control method Download PDFInfo
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- CN104132387A CN104132387A CN201410407623.0A CN201410407623A CN104132387A CN 104132387 A CN104132387 A CN 104132387A CN 201410407623 A CN201410407623 A CN 201410407623A CN 104132387 A CN104132387 A CN 104132387A
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- solenoid valve
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- over solenoid
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
The invention discloses a solar heat pump and phase change energy storage heat pump combined heating system and a control method. The solar heat pump and phase change energy storage heat pump combined heating system comprises a solar heat collecting unit, a heat pump host unit, a phase change energy storage unit, an indoor tail end unit and a control unit. The solar heat collecting unit, the phase change energy storage unit and the indoor tail end unit are respectively connected with the heat pump host unit, and the control unit is connected with the heat pump host unit and the indoor tail end unit. Through the mode, when the sun radiation strength is high, phase change energy storage can be carried out on redundant heat through the system. Under the condition of low sun radiation strength or at night, the heat stored by phase change energy storage materials heats the interior of the room as a low-temperature heat source, the heating continuity is guaranteed, the system always keeps operating efficiently, and energy is saved to the greatest extent.
Description
Technical field
The present invention relates to sun energy heat pump heating technical field, particularly relate to a kind of solar heat pump and phase-change accumulation energy heat pump combined heating system and control method.
Background technology
A large amount of uses and the exhaustive exploitation of the fossil fuels such as coal, oil, natural gas, serious environmental pollution and energy scarcity are caused, environmental pollution and energy scarcity problem have become the cardinal task that threatens human survival, and the exploitation of clean energy resource are just seemed to particularly important.
Weather effect is large, poor continuity owing to being subject to for solar energy, cannot be indoor heating, thereby limited the use of solar energy in heating at overcast and rainy and night.
Given this, be necessary to provide a kind of solar heat pump and phase-change accumulation energy heat pump combined heating system, the utilization of phase-change accumulation energy heat pump can overcome solar heat pump and be subject to the defect of environmental influence, safeguards system stable operation every day, and improve system synthesis energy utilization rate.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of solar heat pump and phase-change accumulation energy heat pump combined heating system and control method, can be in the time that solar irradiation intensity be higher, system is carried out phase-change accumulation energy to waste heat, in the time of lower and night of solar irradiation intensity, the heat that phase-changing energy storage material stores is indoor heating as low-temperature heat source, the continuity that ensures heating, system remains efficient operation, saves to greatest extent the energy.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of solar heat pump and phase-change accumulation energy heat pump combined heating system are provided, comprise: solar energy heating unit, heat pump main computer unit, phase-change energy-storage units, indoor end unit and control module, described solar energy heating unit, phase-change energy-storage units and indoor end unit are connected with heat pump main computer unit respectively, described control module connects heat pump main computer unit and indoor end unit
Described phase-change energy-storage units comprises: phase-change accumulation energy case, fin-tube type evaporative condenser and solid-liquid phase change energy storage material, and fin-tube type evaporative condenser is placed in the inside of phase-change accumulation energy case, and phase-change accumulation energy case inside is full of solid-liquid phase change energy storage material,
Described heat pump main computer unit comprises: compressor, electric expansion valve, the first T-way change-over solenoid valve, the second T-way change-over solenoid valve, the 3rd T-way change-over solenoid valve, the 4th T-way change-over solenoid valve and plate type heat exchanger, the I interface end of described the first T-way change-over solenoid valve is connected with the evaporating heat exchanger port of export of described solar energy heating unit, the II interface end of the first T-way change-over solenoid valve is connected with the suction end of described compressor, the exhaust end of compressor is connected with the I interface end of described the second T-way change-over solenoid valve, the II interface end of the second T-way change-over solenoid valve is connected with the fluorine pipe of described plate type heat exchanger, the III interface end of the second T-way change-over solenoid valve is connected with one end of phase-change accumulation energy case, the fluorine pipe other end of plate type heat exchanger is connected with the II interface end of described the 4th T-way change-over solenoid valve, the other end of phase-change accumulation energy case is connected with the III interface end of the 4th T-way change-over solenoid valve, the I interface end of the 4th T-way change-over solenoid valve is connected with described electric expansion valve, the other end of electromagnetic expanding valve is connected with the II interface end of the 3rd T-way change-over solenoid valve, the I interface end of the 3rd T-way change-over solenoid valve is connected with the arrival end of evaporating heat exchanger, the III interface end of described the first T-way change-over solenoid valve, the III interface end of the 3rd T-way change-over solenoid valve is connected with two interface end of phase-change accumulation energy case respectively.
In a preferred embodiment of the present invention, described solar energy heating unit comprises: evaporating heat exchanger, heat absorbing fins, transparent cover plate, insulation frame and insulation backboard, evaporating heat exchanger and heat absorbing fins connect into an entirety by the mode of welding or expanded joint, between multiple heat absorbing fins, be interconnected to a whole plate, the top of heat absorbing fins is provided with transparent cover plate, surrounding is provided with insulation frame, and back is provided with insulation backboard.
In a preferred embodiment of the present invention, described indoor end unit comprises: indoor heating end and water pump, the outlet of indoor heating end is connected with water pump, the other end of water pump is connected with water pipe one end of plate type heat exchanger in heat pump main computer unit, and the water pipe other end of plate type heat exchanger is connected with the entrance of indoor heating end.
In a preferred embodiment of the present invention, described control module comprises: controller, the first temperature signal probe and the second temperature signal probe, the first temperature signal probe is placed in solar energy heating evaporimeter, the second temperature signal probe is placed in the pipe outlet place of plate type heat exchanger, and controller is connected with the first T-way change-over solenoid valve, the second T-way change-over solenoid valve, the 3rd T-way change-over solenoid valve, the 4th T-way change-over solenoid valve, water pump and compressor respectively by wire.
In a preferred embodiment of the present invention, the surrounding of described phase-change accumulation energy case, bottom and upper cover plate form by lagging casing.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the control method of a kind of solar heat pump and phase-change accumulation energy heat pump combined heating system is provided, comprises following control model:
Controller, according to the temperature signal of the first temperature signal probe and the second temperature signal probe, is provided with three kinds of heating operation patterns: solar heat pump heating operation pattern, solar heat pump heating+phase-change accumulation energy operational mode, phase-change accumulation energy heat pump heating operation pattern:
Wherein establish T
bfor the plate core temperature of solar energy heating evaporimeter, T
bg, T
bdbe respectively the default high temperature of plate core and the low temperature of solar energy heating evaporimeter, T
nfor the supply water temperature of heating end, T
ng, T
ndbe respectively default high temperature and low temperature that heating end supplies water;
A, solar heat pump heating operation pattern: work as T
bd﹤ T
b﹤ T
bgand T
nd﹤ T
n﹤ T
ngtime, open the first T-way change-over solenoid valve (I → II), the second T-way change-over solenoid valve (I → II), the 3rd T-way change-over solenoid valve (II → I), the 4th T-way change-over solenoid valve (II → I);
B, solar heat pump heating+phase-change accumulation energy operational mode: as (T
b﹥ T
bdand T
n﹥ T
ng) or (T
b﹥ T
bgand T
n﹥ T
nd) time, open the first T-way change-over solenoid valve (I → II), the second T-way change-over solenoid valve (I → II, III), the 3rd T-way change-over solenoid valve (II → I), the 4th T-way change-over solenoid valve (II, III → I);
C, phase-change accumulation energy heat pump heating operation pattern: work as T
b﹤ T
bdor T
n﹤ T
ndtime, open the first T-way change-over solenoid valve (III → II), the second T-way change-over solenoid valve (I → II), the 3rd T-way change-over solenoid valve (II → III), the 4th T-way change-over solenoid valve (II → I).
The invention has the beneficial effects as follows: solar heat pump of the present invention and phase-change accumulation energy heat pump combined heating system and control method can be in the time that solar irradiation intensity be higher, system is carried out phase-change accumulation energy to waste heat, in the time of lower and night of solar irradiation intensity, the heat that phase-changing energy storage material stores is indoor heating as low-temperature heat source, ensure the continuity of heating, system remains efficient operation, saves to greatest extent the energy.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of solar heat pump of the present invention and phase-change accumulation energy heat pump combined heating system and control method one preferred embodiment;
Fig. 2 is the structural representation of the phase-change accumulation energy case in Fig. 1;
Fig. 3 is that the A-A of the solar energy heating evaporimeter in Fig. 1 is to structural representation;
In accompanying drawing, the mark of each parts is as follows: 1, solar energy heating evaporimeter, 101, evaporating heat exchanger, 102, heat absorbing fins, 103, transparent cover plate, 104, insulation frame, 105, insulation backboard, 2, the first T-way change-over solenoid valve, 3, the second T-way change-over solenoid valve, 4, the 3rd T-way change-over solenoid valve, 5, the 4th T-way change-over solenoid valve, 6, compressor, 8, electric expansion valve, 9, phase-change accumulation energy case, 91, fin-tube type evaporative condenser, 92, solid-liquid phase change energy storage material, 93, lagging casing, 12, controller, 121, the first temperature signal probe, 122, the second temperature signal probe, 13, plate type heat exchanger, 14, water pump, 15, indoor heating end, 16, room.
Detailed description of the invention
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 3, the embodiment of the present invention comprises:
A kind of solar heat pump and phase-change accumulation energy heat pump combined heating system, comprise: solar energy heating unit, heat pump main computer unit, phase-change energy-storage units, indoor end unit and control module, described solar energy heating unit, phase-change energy-storage units and indoor end unit are connected with heat pump main computer unit respectively, and described control module connects heat pump main computer unit and indoor end unit.
Described solar energy heating unit comprises: evaporating heat exchanger 101, heat absorbing fins 102, transparent cover plate 103, insulation frame 104 and insulation backboard 105, evaporating heat exchanger 101 and heat absorbing fins 102 connect into an entirety by the mode of welding or expanded joint, between multiple heat absorbing fins 102, be interconnected to a whole plate, the top of heat absorbing fins 102 is provided with transparent cover plate 103, surrounding is provided with insulation frame 104, and back is provided with insulation backboard 105.
Described phase-change energy-storage units comprises: phase-change accumulation energy case 9, fin-tube type evaporative condenser 91 and solid-liquid phase change energy storage material 92, fin-tube type evaporative condenser 91 is placed in the inside of phase-change accumulation energy case 9, phase-change accumulation energy case 9 inside are full of solid-liquid phase change energy storage material 92, and surrounding, bottom and the upper cover plate of described phase-change accumulation energy case 9 form by lagging casing 93.
Described heat pump main computer unit comprises: compressor 6, electric expansion valve 8, the first T-way change-over solenoid valve 2, the second T-way change-over solenoid valve 3, the 3rd T-way change-over solenoid valve 4, the 4th T-way change-over solenoid valve 5 and plate type heat exchanger 13, the I interface end of described the first T-way change-over solenoid valve 2 is connected with evaporating heat exchanger 101 ports of export of described solar energy heating unit, the II interface end of the first T-way change-over solenoid valve 2 is connected with the suction end of described compressor 6, the exhaust end of compressor 6 is connected with the I interface end of described the second T-way change-over solenoid valve 3, the II interface end of the second T-way change-over solenoid valve 3 is connected with the fluorine pipe of described plate type heat exchanger 13, the III interface end of the second T-way change-over solenoid valve 3 is connected with one end of phase-change accumulation energy case 9, the fluorine pipe other end of plate type heat exchanger 13 is connected with the II interface end of described the 4th T-way change-over solenoid valve 5, the other end of phase-change accumulation energy case 9 is connected with the III interface end of the 4th T-way change-over solenoid valve 5, the I interface end of the 4th T-way change-over solenoid valve 5 is connected with described electric expansion valve 8, the other end of electromagnetic expanding valve 8 is connected with the II interface end of the 3rd T-way change-over solenoid valve 4, the I interface end of the 3rd T-way change-over solenoid valve 4 is connected with the arrival end of evaporating heat exchanger 13, the III interface end of described the first T-way change-over solenoid valve 2, the III interface end of the 3rd T-way change-over solenoid valve 4 is connected with two interface end of phase-change accumulation energy case 9 respectively.
Described indoor end unit comprises: indoor heating end 15 and water pump 14, the outlet of indoor heating end 15 is connected with water pump 14, the other end of water pump 14 is connected with water pipe one end of plate type heat exchanger 13 in heat pump main computer unit, and the water pipe other end of plate type heat exchanger 13 is connected with the entrance of indoor heating end 15.Wherein said indoor heating end 15 can adopt the mode of fan coil, radiator or flooring radiation heating, and can parallel multiplex.
Described control module comprises: controller 12, the first temperature signal probe 121 and the second temperature signal probe 122, the first temperature signal probes 121 are placed in solar energy heating evaporimeter 1, for measuring the temperature of heat-collecting plate core; The second temperature signal probe 122 is placed in the pipe outlet place of plate type heat exchanger 13, for the supply water temperature of terminal units in measuring chamber; Controller 12 is connected with the first T-way change-over solenoid valve 2, the second T-way change-over solenoid valve 3, the 3rd T-way change-over solenoid valve 4, the 4th T-way change-over solenoid valve 5, water pump 14 and compressor 6 respectively by wire.
In the present invention, controller, according to the temperature signal of the first temperature signal probe 121 and the second temperature signal probe 122, is provided with three kinds of heating operation patterns:
Solar heat pump heating operation pattern, solar heat pump heating+phase-change accumulation energy operational mode, phase-change accumulation energy heat pump heating operation pattern, wherein establish T
bfor the plate core temperature of solar energy heating evaporimeter 1, T
bg, T
bdbe respectively default high temperature and the low temperature of plate core of solar energy heating evaporimeter 1, T
nfor the supply water temperature of heating end, T
ng, T
ndbe respectively default height and low temperature that heating end supplies water;
A, solar heat pump heating operation pattern: work as T
bd﹤ T
b﹤ T
bgand T
nd﹤ T
n﹤ T
ngtime, the the first temperature signal probe 121 being placed in solar energy heating evaporimeter 1 is transferred to controller 12 by holding wire temperature signal with the second temperature signal probe 122 at the pipe outlet place that is placed on plate type heat exchanger 13, and controller 12 carries out sending following control instruction by wire after logic analysis to temperature signal:
Open first T-way change-over solenoid valve 2(I → II), second T-way change-over solenoid valve 3(I → II), the 3rd T-way change-over solenoid valve 4(II → I), the 4th T-way change-over solenoid valve 5(II → I);
Specific works process is: working medium becomes gaseous state absorb solar heat in solar energy heating evaporimeter 1 after, gaseous working medium is through first T-way change-over solenoid valve 2(I → II) enter compressor 6 and become the overheated gaseous working medium of HTHP, the overheated gaseous working medium of HTHP is through second T-way change-over solenoid valve 3(I → II) enter plate type heat exchanger 13 and be condensed into liquid refrigerant, condensation heat is all for indoor heating, condensed liquid refrigerant is through the 4th T-way change-over solenoid valve 5(II → I) enter electric expansion valve 8, throttling becomes the gas-liquid two-phase working medium of low-temp low-pressure, the gas-liquid two-phase working medium of low-temp low-pressure is through the 3rd T-way change-over solenoid valve 4(II → I) enter solar energy heating evaporimeter 1 and absorb solar heat and become gaseous state, complete a heat pump fluid circulation, working medium is periodic duty and so forth, this operational mode is applicable to the moment of solar irradiation moderate strength.
B, solar heat pump heating+phase-change accumulation energy operational mode: as (T
b﹥ T
bdand T
n﹥ T
ng) or (T
b﹥ T
bgand T
n﹥ T
nd) time, the the first temperature signal probe 121 being placed in solar energy heating evaporimeter 1 is transferred to controller 12 by holding wire temperature signal with the second temperature signal probe 122 at the pipe outlet place that is placed on plate type heat exchanger 13, controller 12 carries out by wire, temperature signal being transferred to controller 12 after logic analysis to temperature signal, and controller 12 carries out sending following control instruction by wire after logic analysis to temperature signal:
Open first T-way change-over solenoid valve 2(I → II), second T-way change-over solenoid valve 3(I → II, III), the 3rd T-way change-over solenoid valve 4(II → I), the 4th T-way change-over solenoid valve 5(II, III → I), now solar energy is as low-temperature heat source, the condensation heat part that heat pump cycle produces is for heating, and another part is for phase-change accumulation energy;
Specific works process: working medium becomes gaseous state absorb solar heat in solar energy heating evaporimeter 1 after, gaseous working medium is through first three-way solenoid valve 2(I → II) enter compressor 6 and become the overheated gaseous working medium of HTHP, the overheated gaseous working medium of HTHP is through second three-way solenoid valve 3(I → II, III) be divided into two-way, the overheated gaseous working medium of one road HTHP enters plate type heat exchanger 13 and is condensed into liquid refrigerant, condensation heat is for indoor heating, the overheated gaseous working medium of another road HTHP enters phase-change accumulation energy case 9 and is condensed into liquid refrigerant, condensation heat is for phase-change accumulation energy, phase-change accumulation energy case 9 and the condensed liquid refrigerant of plate type heat exchanger 13 are by the 4th three-way solenoid valve 5(II, III → I) enter electric expansion valve 8, throttling becomes the gas-liquid two-phase working medium of low-temp low-pressure, the gas-liquid two-phase working medium of low-temp low-pressure is through the 3rd three-way solenoid valve 4(II → I) enter solar energy heating evaporimeter 1 and absorb solar heat and become gaseous working medium, complete a heat pump fluid circulation, working medium is periodic duty and so forth, this operational mode is applicable to the moment that solar irradiation intensity is higher.
C, phase-change accumulation energy heat pump heating operation pattern: work as T
b﹤ T
bdor T
n﹤ T
ndtime, the the first temperature signal probe 121 being placed in solar energy heating evaporimeter 1 is transferred to controller 12 by holding wire temperature signal with the second temperature signal probe 122 at the pipe outlet place that is placed on plate type heat exchanger 13, controller 12 carries out by wire, temperature signal being transferred to controller 12 after logic analysis to temperature signal, and controller 12 carries out sending following control instruction by wire after logic analysis to temperature signal:
Open first T-way change-over solenoid valve 2(III → II), second T-way change-over solenoid valve 3(I → II), the 3rd T-way change-over solenoid valve 4(II → III), the 4th T-way change-over solenoid valve 5(II → I);
Specific works process: become gaseous state after the heat that working medium stores at the interior absorption solid-liquid phase change of phase-change accumulation energy case 9 energy storage material 92, gaseous working medium is through first three-way solenoid valve 2(III → II) enter compressor 6 and become the overheated gaseous working medium of HTHP, the overheated gaseous working medium of HTHP is through second three-way solenoid valve 3(I → II) enter plate type heat exchanger 13 and be condensed into liquid refrigerant, condensation heat is all for indoor heating, condensed liquid refrigerant is through the 4th three-way solenoid valve 5(II → I) enter electric expansion valve 8, throttling becomes the gas-liquid two-phase working medium of low-temp low-pressure, the gas-liquid two-phase working medium of low-temp low-pressure is through the 3rd three-way solenoid valve 4(II → III) enter after phase-change accumulation energy case 9 absorbs the heat that solid-liquid phase change energy storage material 92 stores and become gaseous working medium, complete a heat pump fluid circulation, working medium is periodic duty and so forth, this operational mode is applicable to weak moment of solar irradiation intensity, for example evening and overcast and rainy.
The beneficial effect of solar heat pump of the present invention and phase-change accumulation energy heat pump combined heating system and control method is:
1, when solar irradiation intensity is larger, system is carried out phase-change accumulation energy by unnecessary heat automatically, effectively improves solar energy utilization ratio;
2, the utilization of phase-change accumulation energy heat pump can overcome solar heat pump and be subject to the defect of environmental influence, safeguards system stable operation every day, continuous heating;
3, the heat-collecting plate core in flat panel solar heat collecting plate and evaporator with heat pump are made and be integrally formed tube wing type evaporimeter, evaporation and heat-exchange is evenly abundant, whole heat-collecting plate core surface temperature is even, greatly reduce surface heat migration loss, liquid-gas phase transition heat exchange is simultaneously tens times of heat convection, and solar thermal collection system efficiency is high relatively;
4, adopt cold-producing medium (R134a etc.) as heat pump fluid, the freezing point temperature of cold-producing medium is-100 DEG C of left and right, has thoroughly solved the preventing freeze in winter problem of flat-plate solar collector;
5, form a kind of zero-emission, the zero highly effective heating system of polluting.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a solar heat pump and phase-change accumulation energy heat pump combined heating system, it is characterized in that, comprise: solar energy heating unit, heat pump main computer unit, phase-change energy-storage units, indoor end unit and control module, described solar energy heating unit, phase-change energy-storage units and indoor end unit are connected with heat pump main computer unit respectively, described control module connects heat pump main computer unit and indoor end unit
Described phase-change energy-storage units comprises: phase-change accumulation energy case, fin-tube type evaporative condenser and solid-liquid phase change energy storage material, and fin-tube type evaporative condenser is placed in the inside of phase-change accumulation energy case, and phase-change accumulation energy case inside is full of solid-liquid phase change energy storage material,
Described heat pump main computer unit comprises: compressor, electric expansion valve, the first T-way change-over solenoid valve, the second T-way change-over solenoid valve, the 3rd T-way change-over solenoid valve, the 4th T-way change-over solenoid valve and plate type heat exchanger, the I interface end of described the first T-way change-over solenoid valve is connected with the evaporating heat exchanger port of export of described solar energy heating unit, the II interface end of the first T-way change-over solenoid valve is connected with the suction end of described compressor, the exhaust end of compressor is connected with the I interface end of described the second T-way change-over solenoid valve, the II interface end of the second T-way change-over solenoid valve is connected with the fluorine pipe of described plate type heat exchanger, the III interface end of the second T-way change-over solenoid valve is connected with one end of phase-change accumulation energy case, the fluorine pipe other end of plate type heat exchanger is connected with the II interface end of described the 4th T-way change-over solenoid valve, the other end of phase-change accumulation energy case is connected with the III interface end of the 4th T-way change-over solenoid valve, the I interface end of the 4th T-way change-over solenoid valve is connected with described electric expansion valve, the other end of electromagnetic expanding valve is connected with the II interface end of the 3rd T-way change-over solenoid valve, the I interface end of the 3rd T-way change-over solenoid valve is connected with the arrival end of evaporating heat exchanger, the III interface end of described the first T-way change-over solenoid valve, the III interface end of the 3rd T-way change-over solenoid valve is connected with two interface end of phase-change accumulation energy case respectively.
2. solar heat pump according to claim 1 and phase-change accumulation energy heat pump combined heating system, it is characterized in that, described solar energy heating unit comprises: evaporating heat exchanger, heat absorbing fins, transparent cover plate, insulation frame and insulation backboard, evaporating heat exchanger and heat absorbing fins connect into an entirety by the mode of welding or expanded joint, between multiple heat absorbing fins, be interconnected to a whole plate, the top of heat absorbing fins is provided with transparent cover plate, surrounding is provided with insulation frame, and back is provided with insulation backboard.
3. solar heat pump according to claim 1 and phase-change accumulation energy heat pump combined heating system, it is characterized in that, described indoor end unit comprises: indoor heating end and water pump, the outlet of indoor heating end is connected with water pump, the other end of water pump is connected with water pipe one end of plate type heat exchanger in heat pump main computer unit, and the water pipe other end of plate type heat exchanger is connected with the entrance of indoor heating end.
4. solar heat pump according to claim 1 and phase-change accumulation energy heat pump combined heating system, it is characterized in that, described control module comprises: controller, the first temperature signal probe and the second temperature signal probe, the first temperature signal probe is placed in solar energy heating evaporimeter, the second temperature signal probe is placed in the pipe outlet place of plate type heat exchanger, and controller is connected with the first T-way change-over solenoid valve, the second T-way change-over solenoid valve, the 3rd T-way change-over solenoid valve, the 4th T-way change-over solenoid valve, water pump and compressor respectively by wire.
5. solar heat pump according to claim 1 and phase-change accumulation energy heat pump combined heating system, is characterized in that, surrounding, bottom and the upper cover plate of described phase-change accumulation energy case form by lagging casing.
6. a control method for solar heat pump and phase-change accumulation energy heat pump combined heating system, is characterized in that, comprises following control model:
Controller, according to the temperature signal of the first temperature signal probe and the second temperature signal probe, is provided with three kinds of heating operation patterns: solar heat pump heating operation pattern, solar heat pump heating+phase-change accumulation energy operational mode, phase-change accumulation energy heat pump heating operation pattern:
Wherein establish T
bfor the plate core temperature of solar energy heating evaporimeter, T
bg, T
bdbe respectively the default high temperature of plate core and the low temperature of solar energy heating evaporimeter, T
nfor the supply water temperature of heating end, T
ng, T
ndbe respectively default high temperature and low temperature that heating end supplies water:
A, solar heat pump heating operation pattern: work as T
bd﹤ T
b﹤ T
bgand T
nd﹤ T
n﹤ T
ngtime, open the first T-way change-over solenoid valve (I → II), the second T-way change-over solenoid valve (I → II), the 3rd T-way change-over solenoid valve (II → I), the 4th T-way change-over solenoid valve (II → I);
B, solar heat pump heating+phase-change accumulation energy operational mode: as (T
b﹥ T
bdand T
n﹥ T
ng) or (T
b﹥ T
bgand T
n﹥ T
nd) time, open the first T-way change-over solenoid valve (I → II), the second T-way change-over solenoid valve (I → II, III), the 3rd T-way change-over solenoid valve (II → I), the 4th T-way change-over solenoid valve (II, III → I);
C, phase-change accumulation energy heat pump heating operation pattern: work as T
b﹤ T
bdor T
n﹤ T
ndtime, open the first T-way change-over solenoid valve (III → II), the second T-way change-over solenoid valve (I → II), the 3rd T-way change-over solenoid valve (II → III), the 4th T-way change-over solenoid valve (II → I).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407623.0A CN104132387A (en) | 2014-08-19 | 2014-08-19 | Solar heat pump and phase change energy storage heat pump combined heating system and control method |
Applications Claiming Priority (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157273A (en) * | 2015-08-31 | 2015-12-16 | 北京建筑大学 | Family type heat pump system with combined application of solar energy and soil source |
| CN106369846A (en) * | 2016-08-29 | 2017-02-01 | 天津祥顺科技发展有限公司 | Solar heat collector with phase change material heat storage module |
| CN108278653A (en) * | 2018-01-22 | 2018-07-13 | 河北工业大学 | Large public building wisdom heat supply regulator control system based on solar energy |
| CN108917195A (en) * | 2018-07-20 | 2018-11-30 | 广东工业大学 | A kind of phase-change energy storage type solar water heating system |
| CN109724250A (en) * | 2019-01-09 | 2019-05-07 | 山东大学 | A kind of high/low temperature phase-change heat-storage power supply device and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318724A (en) * | 2000-12-28 | 2001-10-24 | 大连冰山集团有限公司 | Solar energy heat pump with integrated heat collector, heat accumulator and evaporator |
| CN101078531A (en) * | 2006-05-25 | 2007-11-28 | 刘同盛 | Solar energy water heater and gas wall-hanging oven integrated interlinked heat-supply and domestic water system |
| CN101236013A (en) * | 2008-03-07 | 2008-08-06 | 南京师范大学 | Multiple source heat collection /energy accumulation/ evaporation integrated heat pump hot-water system |
| WO2011058518A1 (en) * | 2009-11-13 | 2011-05-19 | Cosmogas S.R.L. | Apparatus for heating, cooling and producing domestic hot water |
| EP2498010A2 (en) * | 2011-03-11 | 2012-09-12 | Gebr. Tuxhorn GmbH & Co. KG | Method for return temperature raising and device for return temperature raising |
| CN103983095A (en) * | 2014-05-26 | 2014-08-13 | 常州海卡太阳能热泵有限公司 | Heat recovery heat pump and energy-storage solar heat pump united drying system and control method |
| CN204100360U (en) * | 2014-08-19 | 2015-01-14 | 常州海卡太阳能热泵有限公司 | Solar heat pump and phase-change accumulation energy heat pump combined heating system |
-
2014
- 2014-08-19 CN CN201410407623.0A patent/CN104132387A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318724A (en) * | 2000-12-28 | 2001-10-24 | 大连冰山集团有限公司 | Solar energy heat pump with integrated heat collector, heat accumulator and evaporator |
| CN101078531A (en) * | 2006-05-25 | 2007-11-28 | 刘同盛 | Solar energy water heater and gas wall-hanging oven integrated interlinked heat-supply and domestic water system |
| CN101236013A (en) * | 2008-03-07 | 2008-08-06 | 南京师范大学 | Multiple source heat collection /energy accumulation/ evaporation integrated heat pump hot-water system |
| WO2011058518A1 (en) * | 2009-11-13 | 2011-05-19 | Cosmogas S.R.L. | Apparatus for heating, cooling and producing domestic hot water |
| EP2498010A2 (en) * | 2011-03-11 | 2012-09-12 | Gebr. Tuxhorn GmbH & Co. KG | Method for return temperature raising and device for return temperature raising |
| CN103983095A (en) * | 2014-05-26 | 2014-08-13 | 常州海卡太阳能热泵有限公司 | Heat recovery heat pump and energy-storage solar heat pump united drying system and control method |
| CN204100360U (en) * | 2014-08-19 | 2015-01-14 | 常州海卡太阳能热泵有限公司 | Solar heat pump and phase-change accumulation energy heat pump combined heating system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157273A (en) * | 2015-08-31 | 2015-12-16 | 北京建筑大学 | Family type heat pump system with combined application of solar energy and soil source |
| CN106369846A (en) * | 2016-08-29 | 2017-02-01 | 天津祥顺科技发展有限公司 | Solar heat collector with phase change material heat storage module |
| CN108278653A (en) * | 2018-01-22 | 2018-07-13 | 河北工业大学 | Large public building wisdom heat supply regulator control system based on solar energy |
| CN108917195A (en) * | 2018-07-20 | 2018-11-30 | 广东工业大学 | A kind of phase-change energy storage type solar water heating system |
| CN108917195B (en) * | 2018-07-20 | 2024-01-05 | 广东工业大学 | Phase-change energy-storage type solar water heating system |
| CN109724250A (en) * | 2019-01-09 | 2019-05-07 | 山东大学 | A kind of high/low temperature phase-change heat-storage power supply device and control method |
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