CN114370722A - Air energy and geothermal energy integrated heat pump unit - Google Patents

Air energy and geothermal energy integrated heat pump unit Download PDF

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Publication number
CN114370722A
CN114370722A CN202210080865.8A CN202210080865A CN114370722A CN 114370722 A CN114370722 A CN 114370722A CN 202210080865 A CN202210080865 A CN 202210080865A CN 114370722 A CN114370722 A CN 114370722A
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CN
China
Prior art keywords
water
electromagnetic valve
air
inlet
push rod
Prior art date
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Pending
Application number
CN202210080865.8A
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Chinese (zh)
Inventor
于群发
姚海军
姚喜艳
许月旺
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Shanxi Xinyuan Valley Energy Technology Co ltd
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Shanxi Xinyuan Valley Energy Technology Co ltd
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Publication date
Application filed by Shanxi Xinyuan Valley Energy Technology Co ltd filed Critical Shanxi Xinyuan Valley Energy Technology Co ltd
Priority to CN202210080865.8A priority Critical patent/CN114370722A/en
Publication of CN114370722A publication Critical patent/CN114370722A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • 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
    • 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
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • 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
    • F24F5/0046—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
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • 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
    • F24F2005/0057—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 receiving heat-exchange fluid from a closed circuit in the ground
    • 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
    • Y02B10/40—Geothermal heat-pumps
    • 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
    • Y02E10/10—Geothermal energy

Abstract

The invention belongs to the technical field of ground source heat pump heat exchange, in particular to an air energy and geothermal energy integrated heat pump unit, which solves the technical problems in the background technology and comprises a host unit of a ground source heat pump system and a buried water collector of the ground source heat pump system, wherein a case is arranged on the outer cover of the host unit, an air inlet and an air outlet are reserved on the case, an induced draft fan is arranged at the air outlet, a copper pipe fin heat exchanger is arranged on the inner side of the air inlet, a water pump is arranged at the water outlet of the buried water collector, the water outlet of the water pump is respectively connected to a heat exchange medium inlet of the copper pipe fin heat exchanger and a water inlet of the host unit through a first tee joint, and a heat exchange medium outlet of the copper pipe fin heat exchanger is respectively connected to the water inlet of the host unit and the water inlet of the buried water collector through a second tee joint. The invention solves the problem of unbalanced heat energy of a ground source heat pump system, avoids insufficient heat supply and realizes self-balance of the heat energy of the buried water collector.

Description

Air energy and geothermal energy integrated heat pump unit
Technical Field
The invention belongs to the technical field of ground source heat pump heat exchange, and particularly relates to an air energy and geothermal energy integrated heat pump unit.
Background
The ground source heat pump is a brand new renewable clean energy which is created in recent years in China and provides a technical system for refrigerating, heating and supplying hot water for buildings. It features low cost, no pollution and zero discharge. The ground source heat pump system is used as a low-carbon, environment-friendly and energy-saving heat supply and refrigeration air conditioning mode, and is a main mode for heat supply and refrigeration in novel urbanization and new rural construction. The maximum characteristic of the buried pipe ground source heat pump system requires dual purposes in winter and summer, warm summer and cool summer and balance naturally. However, ground source heat pump systems are established nationwide at present, and some transformation projects are limited to heating in winter. Particularly in high and cold regions such as northeast and northwest, the temperature of the ground pipe ground source heat pump system for single heat supply is continuously reduced in real time in winter, and after running for several years, the temperature of the ground pipe water is too low, so that the heat supply capacity is insufficient, and the problem of heat imbalance of the ground pipe ground source heat pump system is caused. Thereby influencing the large-scale popularization and application of the ground source heat pump technology.
Disclosure of Invention
The invention aims to solve the technical problem of unbalanced heat supply of a buried pipe ground source heat pump system, and provides an air energy and geothermal energy integrated heat pump unit.
The technical means for solving the technical problems of the invention is as follows: an air energy and geothermal energy integrated heat pump unit comprises a host unit of a ground source heat pump system and a buried water collector of the ground source heat pump system, wherein a case is arranged outside the host unit, an air inlet and an air outlet are reserved on the case, an induced draft fan is arranged at the air outlet, a copper tube fin heat exchanger is arranged on the inner side of the air inlet, a water pump is arranged at a water outlet of the buried water collector, a water outlet of the water pump is respectively connected to a heat exchange medium inlet of the copper tube fin heat exchanger and a water inlet of the host unit through a first three-way joint, a first electromagnetic valve is connected at a heat exchange medium inlet of the copper tube fin heat exchanger, a second electromagnetic valve is connected on a pipeline between the first three-way joint and the water inlet of the host unit, a heat exchange medium outlet of the copper tube fin heat exchanger is respectively connected to the water inlet of the host unit and the water inlet of the buried water collector through a second three-way joint, and a third electromagnetic valve is arranged on a pipeline between the second three-way joint and the water inlet of the host unit, a fourth electromagnetic valve is arranged on a pipeline between the second three-way joint and the water inlet of the underground water collector, a movable door for shielding the air inlet is further arranged on the outermost side of the air inlet, the movable door is driven by a push rod motor, and a control box for controlling the start and stop of the fan, the push rod motor, the water pump, the host machine set and each electromagnetic valve is further arranged in the case;
in winter, when the control box detects that the temperature of the outside air is lower than the water temperature in the underground water collector, under the control of the control box, the second electromagnetic valve is opened, the first electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are closed, and hot water in the underground water collector is directly pumped into a water inlet of a main unit of the ground source heat pump system from the second electromagnetic valve through a water pump; when the control box detects that the temperature of the outside air is higher than that in the underground water collector, the control box controls the first electromagnetic valve and the third electromagnetic valve to be opened, the second electromagnetic valve is closed and the fourth electromagnetic valve is closed, the control box controls the induced draft fan and the push rod motor to simultaneously operate, the movable door is opened, the outside hot air enters the case from the air inlet under the driving of the induced draft fan, the water in the underground water collector flows into the copper plate fin heat exchanger from the first electromagnetic valve under the driving of the water pump, the water in the copper plate fin heat exchanger and the outside hot air are subjected to heat exchange, and the water is heated and then is sent into the water inlet of the host unit through the third electromagnetic valve; therefore, the heat energy in the air is fully utilized, the energy consumption of the ground source heat pump host machine set is saved, and the environment is protected. When heat exchange is not needed, the motor is pushed to drive the movable door to close under the control of the electric cabinet;
in summer, the buried water collector can be supplemented with heat, the control box controls the first electromagnetic valve and the fourth electromagnetic valve to be opened, the second electromagnetic valve and the third electromagnetic valve are closed, the control box controls the draught fan and the push rod motor to operate simultaneously, the movable door is opened, external hot air enters the case from the air inlet under the driving of the draught fan, water in the buried water collector flows into the copper fin heat exchanger from the first electromagnetic valve under the driving of the water pump, heat exchange is carried out between the water in the copper fin heat exchanger and the external hot air, and the heated water is sent into the buried water collector through the fourth electromagnetic valve until the water temperature in the buried water collector returns to normal.
According to the air energy and geothermal energy integrated heat pump unit, when the ambient air temperature is higher than the water temperature of the underground water collector, the heat exchange function is automatically started to exchange heat, when the ambient air temperature is lower than the water temperature of the underground water collector, the heat exchange function is automatically closed, in summer, the underground water collector can be automatically supplemented with heat, the heat energy self-balance of the underground water collector is realized, in summer, the underground water collector can be automatically supplemented with heat, a room can be refrigerated, in winter, a ground source heat pump is used for supplying heat to the room, and the air energy and geothermal energy integrated heat pump unit is multifunctional, energy-saving and environment-friendly.
Preferably, the push rod motor is fixed on the case, the drive end of the push rod motor is connected with the push rod, the movable door is fixed at the front end of the push rod, the push rod is parallel to the copper tube fin heat exchanger, and a plurality of hinge rods used for supporting the push rod to move along a straight line are connected between the push rod and the copper tube fin heat exchanger. The push rod can move forward or backward along the driving direction of the push rod motor under the support of the hinge rod, so that the movable door is opened or closed.
Preferably, an air inlet of the induced draft fan is provided with an air guide cover. The structure is more reasonable.
The invention has the beneficial effects that: the structure is compact, one machine has multiple purposes, the occupied area is small, and the energy is saved and the environment is protected; the problem of unbalanced heat energy of a ground source heat pump system is solved, and insufficient heat supply is avoided; when the ambient air temperature is higher than the water temperature of the underground water collector, the heat exchange function of the underground water collector is automatically started for heat exchange, when the ambient air temperature is lower than the water temperature of the underground water collector, the heat exchange function is automatically closed, and in summer, the underground water collector can be automatically supplemented with heat, so that the heat energy self-balance of the underground water collector is realized, when the underground water collector is automatically supplemented with heat in summer, a room can be refrigerated, and in winter, a ground source heat pump is used for supplying heat to the room, so that the underground water collector heat pump room has good effect and good practical application and popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the internal structure of an air energy and geothermal energy integrated heat pump unit according to the present invention.
Fig. 2 is an enlarged schematic structural view of the push rod motor according to the present invention.
In the figure: 1. a host machine set; 2. an underground water collector; 3. a chassis; 4. an air inlet; 5. an air outlet; 6. an induced draft fan; 7. a copper tube fin heat exchanger; 8. a water pump; 9. a first three-way joint; 10. a first solenoid valve; 11. a second solenoid valve; 12. a second three-way joint; 13. a third electromagnetic valve; 14. a fourth solenoid valve; 15. a movable door; 16. a push rod motor; 17. a control box; 18. a push rod; 19. a hinge lever; 20. an air guide cover.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides an air can, geothermal energy integration heat pump set, bury water collector 2 including host computer unit 1 and the ground of ground source heat pump system, host computer unit 1 dustcoat is equipped with quick-witted case 3, leave air intake 4 and air outlet 5 on quick-witted case 3, air outlet 5 is provided with draught fan 6, the income wind gap of draught fan 6 is provided with wind scooper 20, air intake 4 inboard is provided with copper pipe fin heat exchanger 7, bury the delivery port of water collector 2 and be provided with water pump 8, the delivery port of water pump 8 is connected to the heat transfer medium entry of copper pipe fin heat exchanger 7 and the water inlet of host computer unit 1 respectively through first three way joint 9, the heat transfer medium entrance of copper pipe fin heat exchanger 7 is connected with first solenoid valve 10, be connected with second solenoid valve 11 on the pipeline between first three way joint 9 and the water inlet of host computer unit 1, the heat transfer medium export of copper pipe fin heat exchanger 7 is connected to host computer unit 1 water inlet and bury water collector 2 respectively through second three way joint 12 and enter the water inlet of host computer unit 2 and be connected to A third electromagnetic valve 13 is arranged on a pipeline between the second three-way joint 12 and the water inlet of the main unit 1, a fourth electromagnetic valve 14 is arranged on a pipeline between the second three-way joint 12 and the water inlet of the underground water collector 2, a movable door 15 for shielding the air inlet 4 is further arranged on the outermost side of the air inlet 4, the movable door 15 is driven by a push rod motor 16, and a control box 17 for controlling the start and stop of a fan, the push rod motor 16, the water pump 8, the main unit 1 and each electromagnetic valve is further arranged in the case 3; the push rod motor 16 is fixed on the case 3, the driving end of the push rod motor 16 is connected with a push rod 18, the movable door 15 is fixed at the front end of the push rod 18, the push rod 18 is parallel to the copper tube fin heat exchanger 7, and a plurality of hinge rods 19 for supporting the push rod 18 to move along a straight line are connected between the push rod 18 and the copper tube fin heat exchanger 7. The push rod 18 is supported by the hinge rod 19 and can move forward or backward in the driving direction of the push rod motor 16, thereby opening or closing the movable door 15. The copper tube fin heat exchanger 7 can be set according to the power of the ground source heat pump host machine set 1, when the power of the copper tube fin heat exchanger and the power of the ground source heat pump host machine set 1 are the same, one heat exchanger can be used, if the power of the ground source heat pump host machine set 1 is larger, a plurality of heat exchangers can be connected in parallel, the heat exchange area is increased, the heat exchange quantity is increased, and the underground heat energy is fully supplemented;
in winter, when the control box 17 detects that the outside air temperature is lower than the water temperature in the underground water collector 2, under the control of the control box 17, the second electromagnetic valve 11 is opened, the first electromagnetic valve 10, the third electromagnetic valve 13 and the fourth electromagnetic valve 14 are closed, and hot water in the underground water collector 2 is directly pumped into the water inlet of the host machine set 1 of the ground source heat pump system through the water pump 8 from the second electromagnetic valve 11; when the control box 17 detects that the temperature of the outside air is higher than the temperature in the underground water collector 2, the control box 17 controls the first electromagnetic valve 10 and the third electromagnetic valve 13 to be opened, the second electromagnetic valve 11 is closed and the fourth electromagnetic valve 14 is closed, the control box 17 controls the induced draft fan 6 and the push rod motor 16 to simultaneously operate, the movable door 15 is opened, the outside hot air enters the case 3 from the air inlet 4 under the driving of the induced draft fan 6, the water in the underground water collector 2 flows into the copper plate fin heat exchanger from the first electromagnetic valve 10 under the driving of the water pump 8, the water in the copper pipe fin heat exchanger 7 is subjected to heat exchange with the outside hot air, and the heated water is sent to the water inlet of the host unit 1 through the third electromagnetic valve 13; therefore, the heat energy in the air is fully utilized, the energy consumption of the ground source heat pump host unit 1 is saved, and the environment is protected. When heat exchange is not needed, the pushing motor drives the movable door 15 to close under the control of the electric cabinet;
in summer, the underground water collector 2 can be subjected to heat supplementing, the control box 17 controls the first electromagnetic valve 10 and the fourth electromagnetic valve 14 to be opened, the second electromagnetic valve 11 and the third electromagnetic valve 13 are closed, the control box 17 controls the induced draft fan 6 and the push rod motor 16 to simultaneously operate, the movable door 15 is opened, external hot air enters the case 3 from the air inlet 4 under the driving of the induced draft fan 6, water in the underground water collector 2 flows into the copper plate fin heat exchanger from the first electromagnetic valve 10 under the driving of the water pump 8, heat exchange is carried out between the water in the copper pipe fin heat exchanger 7 and the external hot air, and the heated water is sent into the underground water collector 2 through the fourth electromagnetic valve 14 until the water temperature in the underground water collector 2 returns to normal.
According to the air energy and geothermal energy integrated heat pump unit, when the ambient air temperature is higher than the water temperature of the underground water collector 2, the heat exchange function is automatically started to exchange heat, when the ambient air temperature is lower than the water temperature of the underground water collector 2, the heat exchange function is automatically closed, and in summer, the underground water collector 2 can be automatically supplemented with heat, so that the heat energy of the underground water collector 2 is self-balanced, in summer, the underground water collector 2 can be automatically supplemented with heat, a room can be refrigerated, in winter, a ground source heat pump is used for supplying heat to the room, and the air energy and geothermal energy integrated heat pump unit is multifunctional, energy-saving and environment-friendly.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. An air energy and geothermal energy integrated heat pump unit comprises a host unit (1) of a ground source heat pump system and an underground water collector (2), and is characterized in that a case (3) is arranged on the outer cover of the host unit (1), an air inlet (4) and an air outlet (5) are reserved on the case (3), an induced draft fan (6) is arranged at the air outlet (5), a copper tube fin heat exchanger (7) is arranged on the inner side of the air inlet (4), a water pump (8) is arranged at a water outlet of the underground water collector (2), a water outlet of the water pump (8) is respectively connected to a heat exchange medium inlet of the copper tube fin heat exchanger (7) and a water inlet of the host unit (1) through a first three-way joint (9), a first electromagnetic valve (10) is connected to the heat exchange medium inlet of the copper tube fin heat exchanger (7), a second electromagnetic valve (11) is connected to a pipeline between the first three-way joint (9) and the water inlet of the host unit (1), a heat exchange medium outlet of the copper pipe fin heat exchanger (7) is respectively connected to a water inlet of the host unit (1) and a water inlet of the underground water collector (2) through a second three-way joint (12), a third electromagnetic valve (13) is arranged on a pipeline between the second three-way joint (12) and the water inlet of the host unit (1), a fourth electromagnetic valve (14) is arranged on a pipeline between the second three-way joint (12) and the water inlet of the underground water collector (2), a movable door (15) for shielding the air inlet (4) is further arranged on the outermost side of the air inlet (4), the movable door (15) is driven by a push rod motor (16), and a control box (17) for controlling the start and stop of a fan, the push rod motor (16), a water pump (8), the host unit (1) and each electromagnetic valve is further arranged in the case (3);
in winter, when the control box (17) detects that the outside air temperature is lower than the water temperature in the underground water collector (2), under the control of the control box (17), the second electromagnetic valve (11) is opened, the first electromagnetic valve (10), the third electromagnetic valve (13) and the fourth electromagnetic valve (14) are closed, and hot water in the underground water collector (2) is directly pumped into a water inlet of a host machine set (1) of the ground source heat pump system from the second electromagnetic valve (11) through a water pump (8); when the control box (17) detects that the outside air temperature is higher than the temperature in the underground water collector (2), the control box (17) controls the first electromagnetic valve (10) and the third electromagnetic valve (13) to be opened, the second electromagnetic valve (11) is closed and the fourth electromagnetic valve (14) is closed, the control box (17) controls the induced draft fan (6) and the push rod motor (16) to simultaneously operate, the movable door (15) is opened, outside hotter air enters the case (3) from the air inlet (4) under the driving of the induced draft fan (6), water in the underground water collector (2) flows into the copper plate fin heat exchanger from the first electromagnetic valve (10) through the driving of the water pump (8), the water in the copper pipe fin heat exchanger (7) and the outside hot air are subjected to heat exchange, and the heated water is sent to the water inlet of the host unit (1) through the third electromagnetic valve (13);
in summer, the buried water collector (2) can be supplemented with heat, the control box (17) controls the first electromagnetic valve (10) and the fourth electromagnetic valve (14) to be opened, the second electromagnetic valve (11) and the third electromagnetic valve (13) are closed, the control box (17) controls the induced draft fan (6) and the push rod motor (16) to simultaneously operate, the movable door (15) is opened, external hot air enters the case (3) from the air inlet (4) under the driving of the induced draft fan (6), water in the buried water collector (2) flows into the copper plate fin heat exchanger from the first electromagnetic valve (10) through the driving of the water pump (8), heat exchange is carried out between the water in the copper pipe fin heat exchanger (7) and the external hot air, and the heated water is sent into the buried water collector (2) through the fourth electromagnetic valve (14) until the water temperature in the buried water collector (2) returns to be normal.
2. The integrated heat pump unit of air energy and geothermal energy according to claim 1, wherein a push rod motor (16) is fixed on the case (3), a push rod (18) is connected to a driving end of the push rod motor (16), a movable door (15) is fixed at the front end of the push rod (18), the push rod (18) is parallel to the copper tube fin heat exchanger (7), and a plurality of hinge rods (19) for supporting the push rod (18) to move linearly are connected between the push rod and the copper tube fin heat exchanger.
3. The air energy and geothermal energy integrated heat pump unit according to claim 1 or 2, wherein an air inlet of the induced draft fan (6) is provided with an air guide cover (20).
CN202210080865.8A 2022-01-24 2022-01-24 Air energy and geothermal energy integrated heat pump unit Pending CN114370722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210080865.8A CN114370722A (en) 2022-01-24 2022-01-24 Air energy and geothermal energy integrated heat pump unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210080865.8A CN114370722A (en) 2022-01-24 2022-01-24 Air energy and geothermal energy integrated heat pump unit

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CH650069A5 (en) * 1978-12-19 1985-06-28 Hermann Schoof Dipl Ing Device for heating rooms with use of earth heat
CN101280980A (en) * 2008-05-22 2008-10-08 宁波奥克斯电气有限公司 Cabinet type water source heat pump air conditioner
CN201233127Y (en) * 2008-05-22 2009-05-06 宁波奥克斯电气有限公司 Cabinet type water source heat pump air conditioner
CN202040914U (en) * 2011-02-12 2011-11-16 何泉 Air regulating device of water circulation direct-current frequency conversion heat pump
CN103363723A (en) * 2013-07-25 2013-10-23 湖南大学 Active recovery system and active recovery method for balancing heat extraction and heat removal of ground heat exchanger
CN104613674A (en) * 2014-12-09 2015-05-13 中铁建设集团有限公司 Soil source fuel gas heat pump supplying heat, cool and hot water system
CN204705073U (en) * 2015-05-21 2015-10-14 浙江若普能源科技有限公司 Layering gathers the ground water circulation water source heat pump system of the energy
KR101583603B1 (en) * 2015-07-17 2016-01-12 세연기업 주식회사 Hybrid Heat pump system
CN106091465A (en) * 2016-08-18 2016-11-09 中山长虹电器有限公司 A kind of Novel ground source heat pump
JP2019168216A (en) * 2018-03-23 2019-10-03 日鉄エンジニアリング株式会社 Underground heat pump system and underground heat pump system operating method
CN210220299U (en) * 2019-07-10 2020-03-31 山西新源谷能源科技有限公司 Summer air heat-supplementing heat exchanger system of ground-source heat pump ground-buried pipe
CN112460851A (en) * 2020-10-30 2021-03-09 河北科力空调工程有限公司 Water ground source heat pump energy-saving system
CN113701269A (en) * 2021-08-03 2021-11-26 中建八局第二建设有限公司 Air treatment system and method based on buried pipe ground source heat pump

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH650069A5 (en) * 1978-12-19 1985-06-28 Hermann Schoof Dipl Ing Device for heating rooms with use of earth heat
CN101280980A (en) * 2008-05-22 2008-10-08 宁波奥克斯电气有限公司 Cabinet type water source heat pump air conditioner
CN201233127Y (en) * 2008-05-22 2009-05-06 宁波奥克斯电气有限公司 Cabinet type water source heat pump air conditioner
CN202040914U (en) * 2011-02-12 2011-11-16 何泉 Air regulating device of water circulation direct-current frequency conversion heat pump
CN103363723A (en) * 2013-07-25 2013-10-23 湖南大学 Active recovery system and active recovery method for balancing heat extraction and heat removal of ground heat exchanger
CN104613674A (en) * 2014-12-09 2015-05-13 中铁建设集团有限公司 Soil source fuel gas heat pump supplying heat, cool and hot water system
CN204705073U (en) * 2015-05-21 2015-10-14 浙江若普能源科技有限公司 Layering gathers the ground water circulation water source heat pump system of the energy
KR101583603B1 (en) * 2015-07-17 2016-01-12 세연기업 주식회사 Hybrid Heat pump system
CN106091465A (en) * 2016-08-18 2016-11-09 中山长虹电器有限公司 A kind of Novel ground source heat pump
JP2019168216A (en) * 2018-03-23 2019-10-03 日鉄エンジニアリング株式会社 Underground heat pump system and underground heat pump system operating method
CN210220299U (en) * 2019-07-10 2020-03-31 山西新源谷能源科技有限公司 Summer air heat-supplementing heat exchanger system of ground-source heat pump ground-buried pipe
CN112460851A (en) * 2020-10-30 2021-03-09 河北科力空调工程有限公司 Water ground source heat pump energy-saving system
CN113701269A (en) * 2021-08-03 2021-11-26 中建八局第二建设有限公司 Air treatment system and method based on buried pipe ground source heat pump

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