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CN111829042A - Heat pump and solar triple co-generation coupling system - Google Patents

Heat pump and solar triple co-generation coupling system Download PDF

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Publication number
CN111829042A
CN111829042A CN202010611877.XA CN202010611877A CN111829042A CN 111829042 A CN111829042 A CN 111829042A CN 202010611877 A CN202010611877 A CN 202010611877A CN 111829042 A CN111829042 A CN 111829042A
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CN
China
Prior art keywords
water
indoor
solar
heat
heat pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010611877.XA
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Chinese (zh)
Inventor
王岩
李开春
吕恒涛
李海兵
孙建
刘广虎
张洋
潘远学
江广林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunrain Group Co ltd
Solareast Holdings Co Ltd
Original Assignee
Sunrain Group Co ltd
Solareast Holdings Co Ltd
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Publication date
Application filed by Sunrain Group Co ltd, Solareast Holdings Co Ltd filed Critical Sunrain Group Co ltd
Priority to CN202010611877.XA priority Critical patent/CN111829042A/en
Publication of CN111829042A publication Critical patent/CN111829042A/en
Pending legal-status Critical Current

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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
    • F24D3/00—Hot-water central heating systems
    • F24D3/005—Hot-water central heating systems combined with solar energy
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0036—Domestic hot-water supply systems with combination of different kinds of heating means
    • F24D17/0063—Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters
    • F24D17/0068—Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters with accumulation of the heated water
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • 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
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • 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
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1045—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump and solar energy
    • 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
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/106—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump and solar energy
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • 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
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a heat pump and solar triple-generation coupling system which comprises a heat pump unit (1), an indoor tail end system (2), an indoor workstation (3), a solar heat supply module (4) and a domestic hot water system (5), wherein a heat exchange pipeline of the heat pump unit (1) is switched between the indoor tail end system (2) and the indoor workstation (3), the domestic hot water system (5) is supplied with water by the indoor workstation (3), and the solar heat supply module (4) heats water in the indoor workstation (3) in a heat exchange medium circulation backflow mode. According to the heat pump and solar triple-generation coupling system, the existing cooling and heating unit can be improved by adding the indoor work station, the system efficiency can be improved, the triple-generation functions of refrigeration, heating and hot water can be realized more efficiently and more energy-saving, and meanwhile, the solar heat supply module is added into the system, so that the system is more efficient and more energy-saving.

Description

Heat pump and solar triple co-generation coupling system
Technical Field
The invention relates to a heat pump and solar triple co-generation coupling system, and belongs to the technical field of renewable energy application.
Background
At present, the technical development of the conventional heat pump tends to be mature, and a heat pump cooling and heating unit capable of providing refrigeration and heating has gone home for thousands of families, but at present, a triple supply system capable of providing refrigeration, heating and hot water simultaneously or due to the reasons of complex system, poor stability, high failure rate and the like is not accepted by the market. In view of this, it becomes necessary to provide a set of reliable and stable triple co-generation system, and considering that the outlet water temperature of the heat pump unit is relatively low (about 55 ℃), the water tank cannot be effectively heated by heating with the heat pump unit alone, and the system efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the technical defects of the existing triple co-generation system and provides a heat pump and solar triple co-generation coupling system which can improve the system efficiency and realize the functions of refrigeration, heating and hot water triple co-generation more efficiently and in an energy-saving manner.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a heat pump and solar energy trigeminy supply coupled system, includes heat pump set, indoor end system, indoor workstation, solar energy heat supply module and life hot water system, heat pump set's heat transfer pipeline is in switch between indoor end system and the indoor workstation, life hot water system by indoor workstation supplies water, solar energy heat supply module heats for indoor workstation interior water through heat transfer medium circulation backward flow mode.
The indoor work station comprises a domestic water tank and an electric three-way valve, an internal container of the domestic water tank is provided with an external heat exchange coil, a built-in heater and a built-in heat exchanger are arranged in the domestic water tank, the water outlet end of a heat exchange pipeline of the heat pump unit is connected with the water inlet end of the electric three-way valve, the water inlet end of the electric three-way valve is connected with a first expansion tank, the water outlet end of the electric three-way valve is respectively connected with the water inlet end of the indoor tail end system and the water inlet end of the external heat exchange coil pipe, the water outlet end of the indoor tail end system is connected with the water inlet end of a buffer water tank, the buffer water tank is connected with a water replenishing valve, the water outlet end of the buffer water tank is connected with the water inlet end of a first circulating pump, the water outlet end of the first circulating pump is connected with the water inlet end of a heat exchange pipeline of the heat pump unit, and the water outlet end of the external heat exchange coil is connected with the water inlet end of the first circulating pump.
The indoor tail end system comprises an indoor cold and hot air system and an underground pipe system, wherein the indoor cold and hot air system and the underground pipe system are connected in parallel and are controlled by electronic valves respectively.
The solar heat supply module comprises a solar flat plate collector, the water outlet end of the solar flat plate collector is connected with the water inlet end of a second circulating pump, the water outlet end of the second circulating pump is connected with the water inlet end of the built-in heat exchanger, the water outlet end of the built-in heat exchanger is connected with the water inlet end of the solar flat plate collector, and the water outlet end of the second circulating pump is connected with a second expansion tank.
The heat pump unit comprises an air source heat pump cold and warm unit or a water source heat pump.
The solar heat supply module comprises a flat plate type solar heat collector or a vacuum tube heat collection module.
The invention has the beneficial effects that: according to the heat pump and solar triple co-generation coupling system disclosed by the invention, a mature heat pump cooling and heating unit is utilized, a complex heat pump special triple co-generation unit is not required to be developed, the existing cooling and heating unit can be improved by adding an indoor workstation, a triple co-generation function is realized, and the stability and the reliability of the unit are ensured; the control logic of the cooling and heating unit is not changed, so that the operation is more stable; a solar heat supply module is added to form a solar and heat pump triple supply coupling system, so that the system has better energy-saving effect and higher efficiency; the hydraulic system components are integrated in the indoor workstation, the structure is compact, the system integration degree is high, and the reliability is high.
Drawings
FIG. 1 is a schematic diagram of a heat pump and solar triple co-generation coupling system according to the present invention;
FIG. 2 is a schematic view of the heat pump unit according to the present invention;
FIG. 3 is a schematic view of the indoor end system of the present invention;
FIG. 4 is a schematic diagram of an indoor workstation according to the present invention;
fig. 5 is a schematic structural diagram of a solar heating module according to the present invention.
The reference numbers in the figures are as follows: 1-a heat pump unit; 2-indoor end systems; 3-indoor work station; 4-solar heating module; 5-domestic hot water system; 11-a reservoir; 12-fin heat exchanger; 13-a four-way valve; 14-a compressor; 15-a refrigerating and heating heat exchanger; 21-indoor cold and hot air system; 22-buried pipe system; 23-a heating water separator; 24-a heating water collector; 31-a first circulation pump; 32-domestic water tank; 33-electric three-way valve; 34-external heat exchange coil pipe; 35-built-in heat exchanger; 36-a buffer water tank; 37-a first expansion tank; 38-water replenishing valve; 41-solar flat plate collector; 42-a second circulation pump; 43-a second expansion tank.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
As shown in fig. 1, a heat pump and solar triple co-generation coupling system comprises a heat pump unit 1, an indoor end system 2, an indoor workstation 3, a solar heat supply module 4 and a domestic hot water system 5, wherein a heat exchange pipeline of the heat pump unit 1 is switched between the indoor end system 2 and the indoor workstation 3, the domestic hot water system 5 is supplied with water by the indoor workstation 3, and the solar heat supply module 4 heats the water in the indoor workstation 3 in a heat exchange medium circulation and backflow mode.
As shown in fig. 2, the heat pump unit 1 is a conventional heat pump cooling and heating unit, and includes an air source heat pump cooling and heating unit or a water source heat pump and other cooling and heating heat pump units. In the present invention, the heat pump unit 1 is preferably an air source heat pump cooling and heating unit. The system specifically comprises a liquid storage device 11, a finned heat exchanger 12, a four-way valve 13, a compressor 14 and a refrigerating and heating heat exchanger 15.
As shown in fig. 3, the indoor end system 2 includes an indoor cool and hot air system 21 and a buried pipe system 22, the indoor cool and hot air system 21 and the buried pipe system 22 are connected in parallel and controlled by electronic valves, two paths can be opened simultaneously or separately during heating, and only the indoor cool and hot air system 21 is connected during cooling. The buried pipe system 22 includes a heating water separator 23 and a heating water collector 24, and the water paths are divided by the heating water separator 23 and then converged by the heating water collector 24.
As shown in fig. 4, the indoor workstation 3 includes a domestic water tank 32 and an electric three-way valve 33, an external heat exchange coil 34 is arranged on an inner container of the domestic water tank 32, an internal heater and an internal heat exchanger 35 are arranged in the domestic water tank 32, a water outlet end of a heat exchange pipeline of the heat pump unit 1 is connected with a water inlet end of the electric three-way valve 33, and a water inlet end of the electric three-way valve 33 is connected with a first expansion tank 37, so that the functions of stabilizing pressure and reserving an expansion space in a closed system are achieved. The water outlet end of the electric three-way valve 33 is respectively connected with the water inlet end of the indoor tail end system 2 and the water inlet end of the external heat exchange coil pipe 34, and the switching of the heat pump unit between the indoor tail end and the heating of the water tank is realized through the switching of the water outlet end of the electric three-way valve 33. The water outlet end of the indoor end system 2 is connected with the water inlet end of a buffer water tank 36, the buffer water tank 36 is connected with a water replenishing valve 38, and the water outlet end of the buffer water tank 36 is connected with the water inlet end of the first circulating pump 31. The buffer water tank 36 stores cold or heat, and is mainly used for preventing the heat pump unit from being started and stopped frequently. The water outlet end of the first circulation pump 31 is connected with the water inlet end of the heat exchange pipeline of the heat pump unit 1, and the water outlet end of the external heat exchange coil 34 is connected with the water inlet end of the first circulation pump 31. All parts are integrated and compactly arranged in an indoor workstation, the pipeline is convenient to install in the later period, and the space is saved.
As shown in fig. 5, the solar heating module 4 includes a flat plate type solar collector or a vacuum tube heat collecting module and other forms of solar heat collecting devices. In the present invention, the solar heating module 4 is preferably a flat plate type solar collector.
The solar heat supply module 4 comprises a solar flat plate collector 41, the water outlet end of the solar flat plate collector 41 is connected with the water inlet end of a second circulating pump 42, the water outlet end of the second circulating pump 42 is connected with the water inlet end of the built-in heat exchanger 35, the water outlet end of the built-in heat exchanger 35 is connected with the water inlet end of the solar flat plate collector 41, and the water outlet end of the second circulating pump 42 is connected with a second expansion tank 43.
The invention discloses a heat pump and solar triple co-generation coupling system, which is divided into a plurality of operation modes of refrigeration, refrigeration + hot water, heating + hot water and hot water, wherein the set value of domestic hot water in an indoor workstation 3 is T1, the actual temperature of a domestic hot water system 5 is T2, and the temperature of a solar heat supply module 4 is T3; and in the modes of refrigeration and hot water and heating and hot water, the temperature of the domestic hot water is defaulted to T1 which is 50 ℃, and the default temperature of the domestic hot water is determined by the characteristics of the heat pump unit. Solar energy heat supply module 4 adopts the difference in temperature forced circulation, is heat transfer medium in the pipe, and when T2+3 ℃ T3 that is less than or equal to, the circulating pump starts, and solar energy heat supply module 4 supplies heat to domestic water tank 32, and when T2 become T3, second circulating water pump 42 stall.
In the refrigeration mode, the heat pump unit 1 only refrigerates rooms, the electric three-way valve 33 is always positioned in a refrigeration pipeline of the indoor tail end system 2 and only connected with the indoor cold and hot air system 21, and the buried pipe system 22 is in a closed state.
Under refrigeration + hot water mode, when domestic water tank 32 temperature T2 is less than or equal to T1-10 ℃, heat pump set 1 pauses refrigeration, heat pump set 1 mode of operation is switched to the mode of heating by refrigeration, electronic three-way valve 33 switches to domestic water tank 32 heating line simultaneously, heat domestic water tank 32 through external heat exchange coil 34, when T2 ═ T1, heat pump set 1's heat pump stops heating, the heat pump host computer switches back the mode of refrigerating, electronic three-way valve 33 switches back indoor end system 2, continue to provide indoor refrigeration.
In the heating mode, the heat pump unit 1 only heats a room, and the electric three-way valve 33 is always positioned on a heating pipeline of the indoor tail end system 2. The indoor cold and hot air system 21 and the buried pipe system 22 can be simultaneously or respectively started.
Preferentially ensuring domestic water in a heating and hot water mode, wherein the temperature T2 of the domestic water tank 32 is not more than T1-5 ℃, no matter whether a heating end system is used or not, the electric three-way valve 33 is switched to a heating pipeline of the domestic water tank 32 to heat the domestic water tank 32, and when the T2 is equal to T1, the electric three-way valve 33 is switched back to the heating pipeline to perform normal heating.
The system only provides domestic hot water in a hot water mode, the electric three-way valve 33 is positioned in a water tank heating pipeline, the set value of the water temperature of T1 is adjustable at 45-90 ℃, when the temperature of T2 is not more than T1-5 ℃ and the temperature of T2 is not more than 50 ℃, a heat pump of the heat pump unit 1 is started to heat the domestic water tank 32, when the temperature of T2 is not more than T1-DEG C5 and the temperature of T2 is more than 50 ℃, the built-in electric heating in the domestic water tank 32 is started, and when the temperature of T2 is not more than T1, the electric heating is stopped.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (6)

1. The utility model provides a heat pump and solar energy trigeminy supply coupled system which characterized in that: including heat pump set (1), indoor end system (2), indoor workstation (3), solar energy heat supply module (4) and life hot water system (5), the heat transfer pipeline of heat pump set (1) is in switch between indoor end system (2) and indoor workstation (3), life hot water system (5) by indoor workstation (3) water supply, solar energy heat supply module (4) are heated for indoor workstation (3) interior water through heat transfer medium circulation backward flow mode.
2. The heat pump and solar triple co-generation coupling system according to claim 1, wherein: the indoor workstation (3) comprises a domestic water tank (32) and an electric three-way valve (33), an inner container of the domestic water tank (32) is provided with an external heat exchange coil (34), a built-in heater and a built-in heat exchanger (35) are arranged in the domestic water tank (32), the water outlet end of a heat exchange pipeline of the heat pump unit (1) is connected with the water inlet end of the electric three-way valve (33), the water inlet end of the electric three-way valve (33) is connected with a first expansion tank (37), the water outlet end of the electric three-way valve (33) is respectively connected with the water inlet end of an indoor terminal system (2) and the water inlet end of the external heat exchange coil (34), the water outlet end of an indoor terminal system (2) is connected with the water inlet end of a buffer water tank (36), the buffer water tank (36) is connected with a water replenishing valve (38), the water outlet end of the buffer water tank (36) is connected with, the water outlet end of the first circulating pump (31) is connected with the water inlet end of a heat exchange pipeline of the heat pump unit (1), and the water outlet end of the external heat exchange coil (34) is connected with the water inlet end of the first circulating pump (31).
3. The heat pump and solar triple co-generation coupling system according to claim 1, wherein: the indoor tail end system (2) comprises an indoor cold and hot air system (21) and a buried pipe system (22), wherein the indoor cold and hot air system (21) and the buried pipe system (22) are connected in parallel and are controlled by electronic valves respectively.
4. The heat pump and solar triple co-generation coupling system according to claim 1, wherein: the solar heat supply module (4) comprises a solar flat plate collector (41), the water outlet end of the solar flat plate collector (41) is connected with the water inlet end of a second circulating pump (42), the water outlet end of the second circulating pump (42) is connected with the water inlet end of a built-in heat exchanger (35), the water outlet end of the built-in heat exchanger (35) is connected with the water inlet end of the solar flat plate collector (41), and the water outlet end of the second circulating pump (42) is connected with a second expansion tank (43).
5. The heat pump and solar triple co-generation coupling system according to claim 1, wherein: the heat pump unit (1) comprises an air source heat pump cold and warm unit or a water source heat pump.
6. The utility model provides a heat pump and solar energy trigeminy supply coupled system which characterized in that: the solar heat supply module (4) comprises a flat plate type solar heat collector or a vacuum tube heat collection module.
CN202010611877.XA 2020-06-30 2020-06-30 Heat pump and solar triple co-generation coupling system Pending CN111829042A (en)

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