CN111649506A - Ground source heat pump heat balance and heat recovery system - Google Patents
Ground source heat pump heat balance and heat recovery system Download PDFInfo
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- CN111649506A CN111649506A CN202010545902.9A CN202010545902A CN111649506A CN 111649506 A CN111649506 A CN 111649506A CN 202010545902 A CN202010545902 A CN 202010545902A CN 111649506 A CN111649506 A CN 111649506A
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- 238000011084 recovery Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
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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
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- 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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T50/00—Geothermal systems
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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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
- Y02B10/40—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
- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
-
- 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 relates to a ground source heat pump heat balance and heat recovery system, belonging to the technical field of ground source heat pump systems, the ground source heat pump heat balance and heat recovery system comprises a heat pump host, a circulating water pump, a buried pipe, an energy tower heat pump, a cold water tank, a hot water tank and a thermoelectric generator, wherein the heat pump host, the circulating water pump, the hot water tank, the buried pipe and the hot water tank are sequentially connected to form a first loop, the heat pump host, the circulating water pump, the cold water tank, the buried pipe and the hot water tank are sequentially connected to form a second loop, one end of the energy tower heat pump is connected between the buried pipe and the hot water tank, the other end of the energy tower heat pump is connected between the buried pipe and the cold water tank, the thermoelectric generator is connected between the cold water tank and the hot water tank, by adopting the structure, the two loops and the energy tower heat pump are arranged to adjust the heat balance around the buried pipe, the operating efficiency of, the heat of the system is fully recovered, the energy consumption is reduced, and the energy is saved.
Description
Technical Field
The invention belongs to the technical field of ground source heat pump systems, and particularly relates to a heat balance and heat recovery system of a ground source heat pump.
Background
The ground source heat pump is a high-efficiency energy-saving air conditioning system which can supply heat and refrigerate by utilizing underground shallow geothermal resources (also called geothermal energy, including underground water, soil or surface water and the like). The ground source heat pump realizes the transfer of low-temperature heat energy to high-temperature heat energy by inputting a small amount of high-grade energy (such as electric energy). The geothermal energy is respectively used as a heat source for heat pump heating in winter and a cold source for air conditioning in summer, namely, in winter, the heat in the geothermal energy is taken out, and the heat is supplied to indoor heating after the temperature is increased; in summer, the indoor heat is taken out and released to the ground energy. The existing ground source heat pump adopts a buried pipe to collect and dissipate heat, the underground cold and heat balance cannot be adjusted, the underground temperature is too high in summer, circulating water cannot dissipate heat in the buried pipe, the underground temperature is too low in winter, and the circulating water cannot absorb heat in a ground pipe, so that the heat pump efficiency is low easily caused by the underground cold and heat imbalance, and a large amount of heat energy is dissipated without being recycled in the cold and heat circulation of the ground source heat pump.
Therefore, a ground source heat pump heat balance and heat recovery system for adjusting underground cold and heat balance and recycling circulating water temperature difference for power generation is in urgent need.
Disclosure of Invention
The invention provides a ground source heat pump heat balance and heat recovery system, which is used for solving the technical problems that a ground source heat pump system in the prior art cannot save underground cold and heat balance and cannot recycle the heat of circulating water.
The invention is realized by the following technical scheme: a ground source heat pump heat balance and heat recovery system comprises a heat pump host, a circulating water pump, a buried pipe, an energy tower heat pump, a cold water tank, a hot water tank and a thermoelectric generator, wherein the heat pump host, the circulating water pump, the hot water tank, the buried pipe and the hot water tank are sequentially connected to form a first loop, the heat pump host, the circulating water pump, the cold water tank, the buried pipe and the hot water tank are sequentially connected to form a second loop, a water outlet pipe of the energy tower heat pump is connected with a water inlet pipe of the buried pipe, a water inlet pipe of the energy tower heat pump is connected with a water outlet pipe of the buried pipe, and the thermoelectric generator is connected between the cold water tank and the hot water tank.
Furthermore, in order to better realize the invention, a first valve is arranged between the circulating water pump and the hot water tank, a second valve is arranged between the heat pump host and the cold water tank, a third valve is arranged between the heat pump host and the hot water tank, a fourth valve is arranged on a water outlet pipe of the energy tower heat pump, the invention also comprises a fifth valve, a water inlet end of the fifth valve is connected between the circulating water pump and the first valve, and a water outlet end of the fifth valve is connected between the cold water tank and the second valve.
Further, in order to better realize the invention, the thermoelectric generator further comprises a controller, the thermoelectric generator is electrically connected with the controller, and the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all electrically connected with the controller.
Further, in order to better realize the invention, the thermoelectric generator is provided with a heat conducting fin and a cold conducting fin, the hot surface end of the thermoelectric generator is connected with the hot water tank through the heat conducting fin, and the cold surface end of the thermoelectric generator is connected with the cold water tank through the cold conducting fin.
Further, in order to better implement the invention, the thermoelectric generator further comprises a storage battery, and the storage battery is electrically connected with the output end of the thermoelectric generator.
Further, in order to better implement the present invention, the present invention further includes an inverter electrically connected to an output terminal of the battery.
Furthermore, in order to better realize the invention, the water heater also comprises temperature sensors, wherein the temperature sensors are arranged on the cold water tank and the hot water tank, and the temperature sensors are in signal connection with the controller.
Further, in order to better implement the present invention, the controller is a microcomputer.
Further, in order to better implement the present invention, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all solenoid valves.
Further, in order to better realize the invention, the circulating water pump is a variable frequency water pump.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a ground source heat pump heat balance and heat recovery system, which comprises a heat pump host, a circulating water pump, a buried pipe, an energy tower heat pump, a cold water tank, a hot water tank and a thermoelectric generator, wherein the heat pump host, the circulating water pump, the hot water tank, the buried pipe and the hot water tank are sequentially connected to form a first loop, the heat pump host, the circulating water pump, the cold water tank, the buried pipe and the hot water tank are sequentially connected to form a second loop, one end of the energy tower heat pump is connected between the buried pipe and the hot water tank, the other end of the energy tower heat pump is connected between the buried pipe and the cold water tank, the thermoelectric generator is connected between the cold water tank and the hot water tank, the structure is adopted, the two loops and the energy tower heat pump are arranged to adjust the cold and heat balance around the buried pipe, the energy tower heat pump is matched with the first loop to output hot water to the buried pipe in winter to improve the temperature around the buried pipe, and the energy tower heat pump, the cold or heat of underground unbalance is dissipated, so that the operation efficiency of the heat pump main machine is improved, the cold water tank and the hot water tank are arranged in the circulation path of the system, the thermoelectric generator is arranged between the cold water tank and the hot water tank, and the temperature difference between the inlet end and the outlet end of circulating water is utilized to generate electricity, so that the heat of the system is fully recovered, the energy consumption is reduced, and the energy is saved.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the operation of the ground source heat pump heat balance and heat recovery system of the present invention;
FIG. 2 is a schematic diagram of the operation of the first circuit of the present invention;
fig. 3 is a schematic diagram of the operation of the second circuit of the present invention.
In the figure:
1-a heat pump host; 2-a circulating water pump; 3-buried pipe; 4-energy tower heat pump; 5-a cold water tank; 6-a hot water tank; 7-a thermoelectric generator; 8-a first valve; 9-a second valve; 10-a third valve; 11-a fourth valve; 12-a fifth valve; 13-storage battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1:
in this embodiment, a ground source heat pump heat balance and heat recovery system, as shown in fig. 1, includes a heat pump main unit 1, a circulating water pump 2, a ground pipe 3, an energy tower heat pump 4, a cold water tank 5, a hot water tank 6 and a thermoelectric generator 7, wherein the heat pump main unit 1, the circulating water pump 2, the hot water tank 6, the ground pipe 3 and the hot water tank 6 are sequentially connected to form a first loop, the heat pump main unit 1, the circulating water pump 2, the cold water tank 5, the ground pipe 3 and the hot water tank 6 are sequentially connected to form a second loop, one end of the energy tower heat pump 4 is connected between the ground pipe 3 and the hot water tank 6, and the other end is connected between the ground pipe 3 and the cold water tank 5, the energy tower heat pump 4 can heat in winter and cool in summer, the thermoelectric generator 7 is connected between the cold water tank 5 and the hot water tank 6 to generate electricity by using the temperature difference between the two, the circulating water pump 2 is preferably a variable frequency water pump capable of automatically adjusting the flow rate.
By adopting the structure, the cold and heat balance around the buried pipe 3 is adjusted by arranging two loops and the energy tower heat pump 4, the energy tower heat pump 4 is matched with the first loop to output hot water to the buried pipe 3 in winter to improve the temperature around the buried pipe 3, the energy tower heat pump 4 is matched with the second loop to output cold water to the buried pipe 3 in summer to reduce the temperature around the buried pipe 3, thereby dissipating the unbalanced cold or heat in the ground, further, the operation efficiency of the heat pump main unit 1 is improved, and the cold water tank 5 and the hot water tank 6 are provided in the circulation path of the system, the thermoelectric generator 7 is arranged between the cold water tank 5 and the hot water tank 6, and power is generated by utilizing the temperature difference between the inlet end and the outlet end of circulating water, so that the heat of the system is fully recovered, the energy consumption is reduced, and the energy is saved.
Example 2:
in this embodiment, a first valve 8 is disposed between the circulating water pump 2 and the hot water tank 6, a second valve 9 is disposed between the heat pump main unit 1 and the cold water tank 5, a third valve 10 is disposed between the heat pump main unit 1 and the hot water tank 6, a fourth valve 11 is disposed on a water outlet pipe of the energy tower heat pump 4, and a fifth valve 12 is further included, a water inlet end of the fifth valve 12 is connected between the circulating water pump 2 and the first valve 8, a water outlet end of the fifth valve 12 is connected between the cold water tank 5 and the second valve 9, and with this structure, in summer, as shown in fig. 2, the first valve 8, the second valve 9, and the fourth valve 11 are opened, the third valve 10 and the fifth valve 12 are closed, so that the first circuit is kept open, the circulating water with higher temperature pumped by the circulating water pump 2 enters the buried pipe 3 through the hot water tank 6 to exchange heat and absorb underground cold for cooling, returns to the cold water tank 5 and then enters the heat pump host 1, the energy tower heat pump 4 is kept open to provide cooling water to enter the circulating water to cool the temperature around the buried pipe 3, so that the heat exchange efficiency is improved, and the thermoelectric generator 7 performs thermoelectric generation by utilizing high heat generated when the circulating water just exits the circulating water pump 2 and high cold generated after the circulating water is subjected to heat exchange and cooling through the ground pipe, so that the energy consumption is reduced.
As shown in fig. 3, in winter, the third valve 10, the fourth valve 11 and the fifth valve 12 are opened, the first valve 8 and the second valve 9 are closed, the second loop is kept to be communicated, the circulating water pumped by the circulating water pump 2 enters the buried pipe 3 through the cold water tank 5 to exchange heat and absorb underground heat, the circulating water is heated and returns to the heat pump main unit 1 through the hot water tank 6, the energy tower heat pump 4 is kept opened to provide hot water to enter the circulating water to increase the temperature around the buried pipe 3, so that the heat exchange efficiency is improved, and the thermoelectric generator 7 performs thermoelectric generation by using the high cold energy just after the circulating water exits the circulating water pump 2 and the high heat energy after the circulating water is heated through the ground pipe to reduce energy consumption.
In this embodiment, the thermoelectric generator 7 further includes a controller, the first valve 8, the second valve 9, the third valve 10, the fourth valve 11, and the fifth valve 12 are electrically connected to the controller, the first valve 8, the second valve 9, the third valve 10, the fourth valve 11, and the fifth valve 12 are all solenoid valves, so that the controller controls the automatic opening and closing of the valves and the opening and closing of the thermoelectric generator 7, the controller is preferably a microcomputer, and may also be controlled by a programmable single chip or a PLC controller.
Example 3:
in this embodiment, the thermoelectric generator 7 is further optimized on the basis of the embodiment 2, in this embodiment, the thermal conductive sheet and the cold conductive sheet are provided, the hot side end of the thermoelectric generator 7 is connected to the hot water tank 6 through the thermal conductive sheet, and the cold side end of the thermoelectric generator 7 is connected to the cold water tank 5 through the cold conductive sheet, and the power generation principle of the thermoelectric generator 7 is the prior art, so that repeated descriptions thereof are omitted here.
In this embodiment, the thermoelectric generator further includes a storage battery 13, and the storage battery 13 is electrically connected to the output terminal of the thermoelectric generator 7 to store the generated direct current.
Further, the system also comprises an inverter, wherein the inverter is electrically connected with the output end of the storage battery 13, and the inverter is used for changing the direct current stored in the storage battery 13 into alternating current so as to be output and used.
As a more preferable embodiment of this embodiment, the thermoelectric generator further includes a temperature sensor, the temperature sensors are disposed on the cold water tank 5 and the hot water tank 6, the temperature sensors are in signal connection with the controller, the temperature sensors collect temperature data of the cold water tank 5 and the hot water tank 6 and transmit the temperature data to the controller, the controller processes the temperature data to obtain a temperature difference between the cold water tank 5 and the hot water tank 6, and when the temperature difference is too small to meet an operating requirement of the thermoelectric generator 7 or the power generation efficiency is too low, the controller can automatically turn off the thermoelectric generator 7, thereby avoiding waste.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A ground source heat pump heat balance and heat recovery system, characterized by: the energy tower heat pump system comprises a heat pump host, a circulating water pump, a buried pipe, an energy tower heat pump, a cold water tank, a hot water tank and a thermoelectric generator, wherein the heat pump host, the circulating water pump, the hot water tank, the buried pipe and the hot water tank are sequentially connected to form a first loop, the heat pump host, the circulating water pump, the cold water tank, the buried pipe and the hot water tank are sequentially connected to form a second loop, one end of the energy tower heat pump is connected between the buried pipe and the hot water tank, the other end of the energy tower heat pump is connected between the buried pipe and the cold water tank, and the thermoelectric generator is connected between the cold water tank and the hot.
2. The ground source heat pump heat balance and heat recovery system of claim 1, wherein: the energy tower heat pump system is characterized in that a first valve is arranged between the circulating water pump and the hot water tank, a second valve is arranged between the heat pump host and the cold water tank, a third valve is arranged between the heat pump host and the hot water tank, a fourth valve is arranged on a water outlet pipe of the energy tower heat pump, the energy tower heat pump system further comprises a fifth valve, the water inlet end of the fifth valve is connected between the circulating water pump and the first valve, and the water outlet end of the fifth valve is connected between the cold water tank and the second valve.
3. The ground source heat pump heat balance and heat recovery system of claim 2, wherein: the thermoelectric generator is electrically connected with the controller, and the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all electrically connected with the controller.
4. The ground source heat pump heat balance and heat recovery system of claim 3, wherein: the thermoelectric generator is provided with a heat conducting fin and a cold conducting fin, the hot surface end of the thermoelectric generator is connected with the hot water tank through the heat conducting fin, and the cold surface end of the thermoelectric generator is connected with the cold water tank through the cold conducting fin.
5. The ground source heat pump heat balance and heat recovery system of claim 4, wherein: the thermoelectric generator further comprises a storage battery, and the storage battery is electrically connected with the output end of the thermoelectric generator.
6. The ground source heat pump heat balance and heat recovery system of claim 5, wherein: the battery pack further comprises an inverter, and the inverter is electrically connected with the output end of the storage battery.
7. A ground source heat pump heat balance and heat recovery system according to any one of claims 3-6, characterized in that: the cold water tank and the hot water tank are both provided with the temperature sensors, and the temperature sensors are in signal connection with the controller.
8. The ground source heat pump heat balance and heat recovery system of claim 6, wherein: the controller is a microcomputer.
9. The ground source heat pump heat balance and heat recovery system of claim 8, wherein: the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all electromagnetic valves.
10. The ground source heat pump heat balance and heat recovery system of claim 1, wherein: the circulating water pump is a variable frequency water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545902.9A CN111649506A (en) | 2020-06-16 | 2020-06-16 | Ground source heat pump heat balance and heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545902.9A CN111649506A (en) | 2020-06-16 | 2020-06-16 | Ground source heat pump heat balance and heat recovery system |
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| Publication Number | Publication Date |
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| CN111649506A true CN111649506A (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010545902.9A Pending CN111649506A (en) | 2020-06-16 | 2020-06-16 | Ground source heat pump heat balance and heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377965A (en) * | 2020-11-12 | 2021-02-19 | 中国石油天然气集团有限公司 | Geothermal heating system |
-
2020
- 2020-06-16 CN CN202010545902.9A patent/CN111649506A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377965A (en) * | 2020-11-12 | 2021-02-19 | 中国石油天然气集团有限公司 | Geothermal heating system |
| CN112377965B (en) * | 2020-11-12 | 2022-04-12 | 中国石油天然气集团有限公司 | Geothermal heating system |
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