CN111043688A - Household centralized water-ring heat pump cooling and heating system - Google Patents
Household centralized water-ring heat pump cooling and heating system Download PDFInfo
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- CN111043688A CN111043688A CN202010182293.5A CN202010182293A CN111043688A CN 111043688 A CN111043688 A CN 111043688A CN 202010182293 A CN202010182293 A CN 202010182293A CN 111043688 A CN111043688 A CN 111043688A
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1048—Counting of energy consumption
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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
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- 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
- F24F11/85—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 variable-flow 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/60—Energy consumption
Abstract
The invention belongs to the technical field of clean energy centralized heating, and particularly relates to a household centralized water-ring heat pump cooling and heating system which comprises a household water-ring heat pump, an energy storage tank, cooling equipment and an air source heat pump, wherein the energy storage tank is communicated with the household water-ring heat pump, and the cooling equipment is communicated with the household water-ring heat pump; the air source heat pump comprises a main compressor, an air-cooled heat exchanger and a water-cooled heat exchanger; the water-cooling heat exchanger and the air-cooling heat exchanger are respectively connected with the main compressor; the air source heat pump forms a first loop; the energy storage box and the water-cooled heat exchanger are positioned in the second loop; the energy storage tank and the household water-ring heat pump are both positioned in the third loop; and the cooling equipment and the household water-ring heat pump are both positioned in the fourth loop. The invention can provide a cold source and a heat source for users at the same time, and can share one set of equipment in winter and summer, realize the refrigeration effect of the ground radiation heat exchanger and ensure that the ground radiation heat exchanger can be used in winter and summer.
Description
Technical Field
The invention belongs to the technical field of clean energy centralized heating, and particularly relates to a household centralized water-loop heat pump cooling and heating system.
Background
At present, a plurality of residents adopt wall-mounted air conditioners for refrigeration in summer and adopt gas wall-mounted furnaces or centralized heating for heating in winter, so that two sets of products are needed for refrigeration and heating. And the wall-mounted air conditioner influences the appearance and beauty of the building. Natural gas has insufficient gas sources, especially during the gas peak period in winter. The central heating and heat supply pipe network is numerous and complicated, the heat loss is large in long-distance conveying of the pipe network, the heat supply temperature is unbalanced, autonomous adjustment cannot be achieved, and heating charges in winter cannot be collected according to requirements. In addition, the floor heating and the radiating fins adopted in winter can not be used for refrigerating. Therefore, the floor heating and radiating fin equipment used for heating in winter has single function and cannot be used in summer.
Disclosure of Invention
The invention aims to solve the problems and provides a household concentrated water ring heat pump cooling and heating system.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a household concentrated water-ring heat pump cooling and heating system comprises a household water-ring heat pump and an energy storage tank, wherein the energy storage tank is communicated with the household water-ring heat pump; the cooling equipment is communicated with the household water ring heat pump; the air source heat pump comprises a main compressor, an air cooling heat exchanger and a water cooling heat exchanger; wherein, the water-cooling heat exchanger and the air-cooling heat exchanger are respectively connected with the main compressor; the air source heat pump forms a first loop, and the primary side of the water-cooling heat exchanger is positioned in the first loop; the energy storage tank and the secondary side of the water-cooling heat exchanger are both positioned in the second loop, and the second loop exchanges heat with the first loop through the water-cooling heat exchanger so that the energy storage tank stores heat; the energy storage tank and the household water-ring heat pump are both positioned in the third loop so that the energy storage tank provides a heat source for the household water-ring heat pump; and the cooling equipment and the household water-ring heat pump are both positioned in the fourth loop so that heat generated during refrigeration of the household water-ring heat pump is discharged through the cooling equipment.
Furthermore, the household water-loop heat pump system also comprises a fifth loop, and the household water-loop heat pump and the user terminal equipment are connected with each other to form a closed fifth loop.
Furthermore, the user terminal equipment comprises a household intelligent control device, a fan coil heat exchanger and a ground radiation heat exchanger; the inlet of the household intelligent control device is provided with a control water inlet pipe, and the outlet of the household intelligent control device is provided with a control water outlet pipe; circulating water in the fifth loop enters the household intelligent control device through the control water inlet pipe and flows out of the household intelligent control device through the control water outlet pipe; circulating water in the regulating and controlling water inlet pipe enters the fan coil heat exchanger through the first branch water inlet pipe and enters the ground radiation heat exchanger through the second branch water inlet pipe; circulating water in the fan coil heat exchanger enters the regulation and control water outlet pipe through the first branched water pipe, and circulating water in the ground radiation heat exchanger enters the regulation and control water outlet pipe through the second branched water pipe; a communicating pipe is arranged between the second branch water pipe and the second branch water inlet pipe.
Furthermore, the first branched water pipe is provided with a first flow regulating valve, and the second branched water pipe is provided with a third circulating pump; the second branch water inlet pipe is provided with a second flow regulating valve and a temperature sensor in sequence according to the water flowing direction; one end of the communicating pipe is communicated with the outlet end of the third circulating pump, and the other end of the communicating pipe is positioned between the second flow regulating valve and the temperature sensor; the communicating pipe is provided with a one-way valve flowing to the second branch water inlet pipe; the first flow regulating valve, the third circulating pump, the second flow regulating valve, the temperature sensor and the one-way valve are all positioned in the household intelligent regulation and control device; the household intelligent regulation and control device also comprises a main control module and an indoor temperature and humidity measuring point; the indoor temperature and humidity measuring point, the first flow regulating valve, the second flow regulating valve and the third circulating pump are electrically connected with the main control module.
Furthermore, the energy storage box is provided with a first outlet and a first inlet, a first water outlet pipe is arranged between the first outlet and the secondary side inlet of the water-cooling heat exchanger, and a first water inlet pipe is arranged between the secondary side outlet of the water-cooling heat exchanger and the first inlet; the energy storage box, the first water outlet pipe, the water-cooling heat exchanger and the first water inlet pipe are sequentially connected to form a closed second loop.
Further, the first water outlet pipe is provided with a first circulating pump; circulating water in the second loop flows out of the first outlet of the energy storage tank and then returns to the first inlet of the energy storage tank through the first circulating pump and the secondary side of the water-cooling heat exchanger in sequence.
Furthermore, the energy storage box is provided with a second outlet and a second inlet, the second outlet is provided with a second water outlet pipe, and the second water outlet pipe is connected with an inlet pipe of each household water ring heat pump; the second inlet is provided with a second water inlet pipe which is connected with an outlet pipe of each household water-ring heat pump; the energy storage tank, the second water outlet pipe, the household water-ring heat pumps and the second water inlet pipe are sequentially connected to form a closed third loop.
Furthermore, a third pipeline valve and a second circulating pump are successively arranged on the second water outlet pipe along the water flow direction in the pipe; the second water inlet pipe is provided with a second regulating valve; circulating water in the third loop flows out of a second outlet of the energy storage tank and then returns to a second inlet of the energy storage tank through a third pipeline valve, a second circulating pump, each household water-ring heat pump and a second regulating valve in sequence.
Furthermore, a bypass pipe is arranged between the second water outlet pipe and the second water inlet pipe, one end of the bypass pipe is positioned between the energy storage box and the third pipeline valve, and the other end of the bypass pipe is positioned on the second water inlet pipe connected with the inlet of the second regulating valve; the bypass pipe is provided with a first regulating valve.
Furthermore, the cooling equipment, the second circulating pump and the household water-ring heat pump are connected in sequence through pipelines to form a closed fourth loop; the outlet of the cooling equipment is communicated with the inlet of the second circulating pump through a cooling water outlet pipe, and the inlet is communicated with the outlet of the household water ring heat pump through a cooling water return pipe; the cooling water outlet pipe is provided with a second pipeline valve, and the cooling water return pipe is provided with a first pipeline valve.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) the invention can provide cold source and heat source for user at the same time, and one set of equipment is shared in winter and summer; when heating is carried out in winter, the first loop formed by the air source heat pump provides lower water temperature for the energy storage box in the second loop, so that the high-efficiency operation of the air source heat pump is ensured, meanwhile, the air source heat pump is not influenced by a low-temperature environment, and the energy storage box in the third loop provides a stable low-temperature water source for the household water-ring heat pump, so that the high-efficiency operation of the household water-ring heat pump is ensured; when cooling is carried out in summer, the cooling equipment in the fourth loop can timely cool heat generated by the household water-ring heat pump in refrigeration;
(2) when heating in winter, the household water-loop heat pump lifts the low-temperature heat source provided by the third loop to provide a stable high-temperature heat source for the user end equipment of the fifth loop; in summer, the fourth loop cools the heat generated by the household water-ring heat pump in the fifth loop;
(3) the fourth loop provides required water supply temperature for the fan coil heat exchanger and the ground radiation heat exchanger through the intelligent control device during cooling in summer, can realize the refrigeration effect of the ground radiation heat exchanger, and ensures that the ground radiation heat exchanger can be used in winter and summer;
(4) the controller and the energy meter can realize the household metering of the user cost through metering; the refrigeration and heating cost of a user is composed of the electric energy consumption of the circulating water of the third loop and the fourth loop and the electric energy consumption of the household water-ring heat pump, the electric energy consumption of the circulating water of the third loop and the fourth loop is measured by an energy meter, and the electric energy consumption of the household water-ring heat pump is conveniently read by the user side;
(5) when heating is carried out in winter, the first loop and the third loop provide lower water temperature, so that the heat loss in the conveying process can be reduced;
(6) the controller timely adjusts the flow of the second circulating pump according to the feedback signal of the energy meter, and the water supply flow required by the household water-loop heat pump is met; the household water-ring heat pump automatically adjusts the temperature according to the independent requirement of a user, and the operation of the whole system is not influenced.
Drawings
Fig. 1 is a diagram of a cooling and heating system of a household concentrated water loop heat pump according to an embodiment.
Fig. 2 is an overall structure diagram of the household intelligent control device according to the embodiment.
Fig. 3 is an internal structure diagram of the household intelligent control device according to the embodiment.
Fig. 4 is a diagram of the cooling and heating system of the household concentrated water-loop heat pump including a plurality of household water-loop heat pumps according to the embodiment.
In the figure, 1 a main compressor, 2 an air-cooled heat exchanger, 3 a water-cooled heat exchanger, 4 a first circulating pump, 5 an energy storage tank, 6 a second circulating pump, 7 an energy storage module, 8 household water-ring heat pumps, 9 user end equipment, 10 cooling equipment, 11 a first regulating valve, 12 a second regulating valve, 13 a first pipeline valve, 14 a second pipeline valve, 15 a third pipeline valve, 16 a controller, 17 an energy meter, 18 household intelligent regulating and controlling devices, 19 a fan coil heat exchanger, 20 a ground radiation heat exchanger, 21 a main control module, 22 indoor temperature and humidity measuring points, 23 a first flow regulating valve, 24 a second flow regulating valve, 25 a one-way valve, 26 a third circulating pump, 27 a temperature sensor, 28 a first branch water inlet pipe, 29 a first branch water inlet pipe, 30 a second branch water inlet pipe, 31 a second branch water inlet pipe, 32 a regulating and 33 a regulating and controlling water inlet pipe.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
As shown in fig. 1, the cooling and heating system of the household concentrated water-loop heat pump of the present embodiment includes a household water-loop heat pump 8, an energy storage tank 5, a cooling device 10, and an air-source heat pump. The energy storage box 5 is communicated with the household water-ring heat pump 8. The cooling device 10 is in communication with the household water-ring heat pump 8. The air source heat pump comprises a main compressor 1, an air-cooled heat exchanger 2 and a water-cooled heat exchanger 3. Wherein, the water-cooling heat exchanger 3 and the air-cooling heat exchanger 2 are respectively connected with the main compressor 1. The air-source heat pump constitutes a closed first circuit in which the primary side of the water-cooled heat exchanger 3 is located. The energy storage box 5 and the secondary side of the water-cooled heat exchanger 3 are both positioned in a second loop, and the second loop exchanges heat with the first loop through the water-cooled heat exchanger 3 so that the energy storage box 5 stores heat. The energy storage tank 5 and the household water-ring heat pump 8 are both positioned in the third loop so that the energy storage tank 5 provides a heat source for the household water-ring heat pump 8. The cooling device 10 and the household water-loop heat pump 8 are both located in the fourth loop so that the heat generated when the household water-loop heat pump 8 refrigerates is discharged through the cooling device 10. The energy storage box 5 is internally provided with an energy storage module 7, the energy storage module 7 can store energy at the temperature of 30-45 ℃, and the energy storage module 7 mainly comprises inorganic chemical materials with the phase transition point of 25-40 ℃.
The third return circuit is opened in this embodiment heating in winter, and the fourth return circuit is opened in the cooling of summer, therefore this embodiment can provide cold source and heat source for the user simultaneously, and winter and summer share a set of equipment. When the outdoor temperature is lower than-15 ℃ in winter, the air source heat pump provides hot water with the temperature lower than 45 ℃, and the hot water stores heat in the energy storage box 5 through the water-cooling heat exchanger 3. The energy storage box 5 provides hot water of 15-20 ℃ for the household water-ring heat pump 8. The first loop that this embodiment constitutes by air source heat pump can provide lower temperature for the energy storage tank in the second loop, guarantees air source heat pump's high efficiency operation, avoids air source heat pump to receive the unable start-up of low temperature environment influence, guarantees that air source heat pump does not receive low temperature environment's influence. The energy storage box 5 in the third loop provides a stable low-temperature water source for the household water-ring heat pump 8, and the high-efficiency operation of the household water-ring heat pump 8 is guaranteed. Therefore, when the system runs in winter, the whole system is not influenced by low-temperature environment, and the running efficiency is high. And when cooling is carried out in summer, the cooling device 10 in the fourth loop can timely cool the heat generated by the refrigeration of the household water-ring heat pump 8.
The present embodiment further comprises a fifth loop, and the household water-loop heat pump 8 and the user end equipment 9 are connected with each other to form a closed fifth loop. When the heat pump works in winter, the household water-loop heat pump 8 in the fifth loop lifts the low-temperature heat source provided by the third loop, and provides a stable high-temperature heat source for the user end equipment 9. The low-temperature heat source provided by the third loop ensures the stability and high efficiency of the high-temperature heat source output by the fifth loop. The household water-ring heat pump 8 can be a water-ring heat pump with a domestic hot water module, and can continuously provide domestic hot water. When the indoor water-loop heat pump 8 operates in summer, a stable cold source is provided for the user terminal equipment 9.
As shown in fig. 2 and 3, the user end equipment 9 includes a household intelligent control device 18, a fan coil heat exchanger 19, and a ground radiation heat exchanger 20. The inlet of the household intelligent control device 18 is provided with a control water inlet pipe 33, and the outlet is provided with a control water outlet pipe 32. The circulating water in the fifth loop enters the household intelligent control device 18 through the control water inlet pipe 33 and flows out of the household intelligent control device 18 through the control water outlet pipe 32. Circulating water in the regulating and controlling water inlet pipe 33 enters the fan coil heat exchanger 19 through the first branch water inlet pipe 29 and enters the ground radiation heat exchanger 20 through the second branch water inlet pipe 31. Circulating water in the fan coil heat exchanger 19 enters the regulation and control water outlet pipe 32 through the first branch water outlet pipe 28, and circulating water in the ground radiation heat exchanger 20 enters the regulation and control water outlet pipe 32 through the second branch water outlet pipe 30. A communication pipe is provided between the second branch water pipe 30 and the second branch water inlet pipe 31.
The first branch water pipe 28 is provided with a first flow rate regulating valve 23, and the second branch water pipe 30 is provided with a third circulation pump 26. The second branch water inlet pipe 31 is provided with a second flow regulating valve 24 and a temperature sensor 27 in sequence according to the water flowing direction. One end of the communicating pipe communicates with the outlet end of the third circulation pump 26, and the other end is located between the second flow rate adjustment valve 24 and the temperature sensor 27. The communicating tube is provided with a one-way valve 25 towards the second branch inlet pipe 31. The first flow regulating valve 23, the third circulating pump 26, the second flow regulating valve 24, the temperature sensor 27 and the one-way valve 25 are all located in the household intelligent control device 18. The household intelligent control device 18 further comprises a main control module 21 and an indoor temperature and humidity measuring point 22. The indoor temperature and humidity measuring point 22, the first flow regulating valve 23, the second flow regulating valve 24 and the third circulating pump 26 are electrically connected with the main control module 21. In this embodiment, the user end device 9 is a system capable of heating and cooling by a ground radiation heat exchanger 20 and a fan coil heat exchanger 19 through a household intelligent control device 18. The indoor intelligent control device 18 and the main control module 21, and the indoor temperature and humidity measuring point 22 and the main control module 21 are connected by communication cables, so that stable and reliable operation of user terminal equipment is ensured, and stable operation of the ground radiation heat exchanger 20 can be controlled.
The ground radiation heat exchanger 20 serving as the terminal heat dissipation device in this embodiment is mainly used for the household intelligent control device 18 to judge whether the indoor temperature and humidity are within the dew point temperature range of the ground radiation heat exchanger 20 through data collected by the main control module 21 from the indoor temperature and humidity measurement point 22, and under the condition that the surface of the ground radiation heat exchanger 20 is not dewed, the main control module 21 controls the second flow regulating valve 24 and the third circulating pump 26 in the household intelligent control device 18 to work, so that the temperature of water entering the ground radiation heat exchanger 20 is controlled to be above the dew point temperature, and the temperature sensor 27 transmits the temperature of water in real time to control the opening degree of the second flow regulating valve 24. Meanwhile, the main control module 21 controls the opening of the first flow regulating valve 23 to control the temperature of water entering the fan coil heat exchanger 19 so as to regulate the indoor humidity. The temperature of water entering the ground radiation heat exchanger 20 is higher than the dew point temperature corresponding to the indoor humidity, so that the ground radiation heat exchanger 20 can work stably without dewing, and the best effect of radiation refrigeration is achieved. Therefore, in summer cooling, the present embodiment provides the required water supply temperature for the fan coil heat exchanger 19 and the ground radiation heat exchanger 20, and can realize the refrigeration effect of the ground radiation heat exchanger 20. The ground radiation heat exchanger 20 can be used in winter and summer.
As shown in fig. 4, the present embodiment further includes a controller 16 and an energy meter 17. The number of the household water-ring heat pumps 8 is multiple, and each inlet pipe of the household water-ring heat pumps 8 is provided with an energy meter 15. The cooling device 10 and the energy storage tank 5 are both communicated with an inlet pipe of the household water-ring heat pump 8. Each energy meter 17 is electrically connected to the controller 16. The controller 16 and the energy meter 17 can realize the household metering of the user fee through metering. The refrigeration and heating cost of the user is composed of the electric energy consumption of the circulating water of the third loop and the fourth loop and the electric energy consumption of the household water-ring heat pump 8, the electric energy consumption of the circulating water of the third loop and the fourth loop is measured through the energy meter 17, and the electric energy consumption of the household water-ring heat pump 8 is conveniently read by the user side. The energy meter 17 and the controller 16 calculate the energy usage data of the user in unit area or unit time by collecting the usage data of the user, provide basic data for charging according to needs, and further implement individual metering charging.
The energy storage box 5 is provided with a first outlet and a first inlet, a first water outlet pipe is arranged between the first outlet and the secondary side inlet of the water-cooling heat exchanger 3, and a first water inlet pipe is arranged between the secondary side outlet of the water-cooling heat exchanger 3 and the first inlet. The energy storage box 5, the first water outlet pipe, the water-cooling heat exchanger 3 and the first water inlet pipe are sequentially connected to form a closed second loop. The first water outlet pipe is provided with a first circulating pump 4. Circulating water in the second loop flows out of a first outlet of the energy storage tank 5 and then returns to a first inlet of the energy storage tank 5 through the first circulating pump 4 and the secondary side of the water-cooled heat exchanger 3 in sequence. The air-cooled heat exchanger 2 in the first loop absorbs heat from the external environment and transfers the heat to the energy storage box 5 through the water-cooled heat exchanger 3, and the energy storage box 5 stores the heat in the energy storage module 7.
The energy storage box 5 is provided with a second outlet and a second inlet, the second outlet is provided with a second water outlet pipe, and the second water outlet pipe is connected with an inlet pipe of each household water-ring heat pump 8. The second inlet is provided with a second water inlet pipe which is connected with an outlet pipe of each household water-ring heat pump 8. The energy storage box 5, the second water outlet pipe, each household water-ring heat pump 8 and the second water inlet pipe are connected in sequence to form a closed third loop. When the heat pump works in winter, the third loop promotes the low-level heat energy in the energy storage tank 5 to high-grade heat energy meeting the requirements of users through the household water-ring heat pump 8. The household water-loop heat pump 8 automatically adjusts the water outlet temperature according to the heat supply requirement of the user, and the operation of the whole system is not influenced.
The second outlet pipe is successively provided with a third pipeline valve 15 and a second circulating pump 6 along the water flow direction in the pipe, and the second inlet pipe is provided with a second regulating valve 12. Circulating water in the third loop flows out of a second outlet of the energy storage tank 5 and then returns to a second inlet of the energy storage tank 5 through a third pipeline valve 15, a second circulating pump 6, each household water-ring heat pump 8 and a second regulating valve 12 in sequence. A bypass pipe is arranged between the second water outlet pipe and the second water inlet pipe, one end of the bypass pipe is positioned between the energy storage box 5 and the third pipeline valve 15, and the other end of the bypass pipe is positioned on the second water inlet pipe connected with the inlet of the second regulating valve 12. The bypass pipe is provided with a first regulating valve 11. The second circulating pump 6 is a variable frequency pump, and the second circulating pump 6, the first regulating valve 11 and the second regulating valve 12 are electrically connected with the controller 16 in a wired or wireless manner. When the temperature of the energy meter 17 on the inlet pipe of the household water-ring heat pump 8 is too high in winter, the controller 16 controls the flow of the second circulating pump 6 to be reduced, and when the flow of the second circulating pump 6 is reduced to the lowest value, the controller 16 controls the opening of the second regulating valve 12 to be reduced or the opening of the first regulating valve 11 to be increased. When the energy meter 17 on the inlet pipe of the household water-ring heat pump 8 displays that the temperature is too low, the controller 16 controls the flow rate of the second circulating pump 6 to be increased. Therefore, the controller can timely adjust the flow of the second circulating pump 6 according to the energy meter feedback signal, and the water supply flow required by the household water loop heat pump is met.
The cooling device 10, the second circulating pump 6 and the household water-ring heat pump 8 are connected in sequence through pipelines to form a closed fourth loop. The outlet of the cooling device 10 is communicated with the inlet of the second circulating pump 6 through a cooling water outlet pipe, and the inlet is communicated with the outlet of the household water-ring heat pump 8 through a cooling water return pipe. The cooling water outlet pipe is provided with a second pipeline valve 14, and the cooling water return pipe is provided with a first pipeline valve 13. In summer operation, the first regulating valve 11, the second regulating valve 12, and the third line valve 15 are all closed, and the first line valve 13 and the second line valve 14 are opened. In winter operation, the first regulating valve 11, the second regulating valve 12 and the third pipeline valve 15 are all opened, and the first pipeline valve 13 and the second pipeline valve 14 are closed. The heat generated by the household water heat pump 8 due to refrigeration is dissipated to the air through the cooling device 10 in the fourth circuit.
The operation modes of this embodiment are respectively:
energy storage mode in winter: the first loop in which the air source heat pump is located and the second loop in which the energy storage tank 5 is located operate, and the first loop and the second loop exchange heat and store the heat in the energy storage tank 5.
Winter heating mode: the energy storage box 5 and the third loop where the household water-ring heat pump 8 is located operate, and the temperature requirement of low-level energy required by the household water-ring heat pump 8 is guaranteed. When the backwater temperature of the energy storage box 5 is lower, the air source heat pump can be started to supplement the heat in the energy storage box 5 in time.
Summer cooling mode: the cooling device 10 and the fourth loop in which the household water-ring heat pump 8 is arranged operate.
While the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that variations may be made in the embodiments without departing from the spirit of the invention, and such variations are to be considered within the scope of the invention.
Claims (10)
1. The utility model provides a water ring heat pump changes in temperature system is concentrated to family formula, includes family formula water ring heat pump (8), its characterized in that: also comprises the following steps of (1) preparing,
the energy storage tank (5), the energy storage tank (5) is communicated with the household water-ring heat pump (8);
the cooling equipment (10), the cooling equipment (10) is communicated with the household water-ring heat pump (8);
the air source heat pump comprises a main compressor (1), an air-cooled heat exchanger (2) and a water-cooled heat exchanger (3); wherein, the water-cooling heat exchanger (3) and the air-cooling heat exchanger (2) are respectively connected with the main compressor (1);
the air source heat pump forms a first loop, and the primary side of the water-cooling heat exchanger (3) is positioned in the first loop;
the energy storage tank (5) and the secondary side of the water-cooled heat exchanger (3) are both positioned in the second loop, and the second loop exchanges heat with the first loop through the water-cooled heat exchanger (3) so that the energy storage tank (5) stores heat;
the energy storage tank (5) and the household water-ring heat pump (8) are both positioned in the third loop so that the energy storage tank (5) provides a heat source for the household water-ring heat pump (8);
and the cooling equipment (10) and the household water-ring heat pump (8) are positioned in the fourth loop so that heat generated when the household water-ring heat pump (8) refrigerates is discharged through the cooling equipment (10).
2. The household concentrated water loop heat pump cooling and heating system as claimed in claim 1, wherein: the household water-loop heat pump system further comprises a fifth loop, and the household water-loop heat pump (8) and the user end equipment (9) are connected with each other to form a closed fifth loop.
3. The household concentrated water loop heat pump cooling and heating system as claimed in claim 2, wherein:
the user terminal equipment (9) comprises a household intelligent control device (18), a fan coil heat exchanger (19) and a ground radiation heat exchanger (20); the inlet of the household intelligent control device (18) is provided with a control water inlet pipe (33), and the outlet is provided with a control water outlet pipe (32); circulating water in the fifth loop enters the household intelligent control device (18) through a control water inlet pipe (33) and flows out of the household intelligent control device (18) through a control water outlet pipe (32);
circulating water in the regulation and control water inlet pipe (33) enters the fan coil heat exchanger (19) through the first branch water inlet pipe (29) and enters the ground radiation heat exchanger (20) through the second branch water inlet pipe (31); circulating water in the fan coil heat exchanger (19) enters the regulation and control water outlet pipe (32) through the first branch water outlet pipe (28), and circulating water in the ground radiation heat exchanger (20) enters the regulation and control water outlet pipe (32) through the second branch water outlet pipe (30); a communicating pipe is arranged between the second branch water pipe (30) and the second branch water inlet pipe (31).
4. The household concentrated water loop heat pump cooling and heating system as claimed in claim 3, wherein:
the first branch water pipe (28) is provided with a first flow regulating valve (23), and the second branch water pipe (30) is provided with a third circulating pump (26); the second branch water inlet pipe (31) is provided with a second flow regulating valve (24) and a temperature sensor (27) in sequence according to the water flowing direction; one end of the communicating pipe is communicated with the outlet end of the third circulating pump (26), and the other end of the communicating pipe is positioned between the second flow regulating valve (24) and the temperature sensor (27); the communicating pipe is provided with a one-way valve (25) flowing to the second branch water inlet pipe (31); the first flow regulating valve (23), the third circulating pump (26), the second flow regulating valve (24), the temperature sensor (27) and the one-way valve (25) are all positioned in the household intelligent control device (18);
the household intelligent regulation and control device also comprises a main control module (21) and an indoor temperature and humidity measuring point (22); the indoor temperature and humidity measuring point (22), the first flow regulating valve (23), the second flow regulating valve (24) and the third circulating pump (26) are electrically connected with the main control module (21).
5. The household concentrated water loop heat pump cooling and heating system as claimed in claim 1, wherein: the energy storage box (5) is provided with a first outlet and a first inlet, a first water outlet pipe is arranged between the first outlet and the secondary side inlet of the water-cooling heat exchanger (3), and a first water inlet pipe is arranged between the secondary side outlet of the water-cooling heat exchanger (3) and the first inlet; the energy storage box (5), the first water outlet pipe, the water-cooling heat exchanger (3) and the first water inlet pipe are sequentially connected to form a closed second loop.
6. The household concentrated water loop heat pump cooling and heating system as claimed in claim 5, wherein: the first water outlet pipe is provided with a first circulating pump (4); circulating water in the second loop flows out of the first outlet of the energy storage box (5) and then returns to the first inlet of the energy storage box (5) through the first circulating pump (4) and the secondary side of the water-cooling heat exchanger (3) in sequence.
7. The household concentrated water loop heat pump cooling and heating system as claimed in claim 1, wherein: the energy storage box (5) is provided with a second outlet and a second inlet, the second outlet is provided with a second water outlet pipe, and the second water outlet pipe is connected with an inlet pipe of each household water ring heat pump (8); the second inlet is provided with a second water inlet pipe which is connected with an outlet pipe of each household water-ring heat pump (8); the energy storage box (5), the second water outlet pipe, each household water-ring heat pump (8) and the second water inlet pipe are sequentially connected to form a closed third loop.
8. The household concentrated water loop heat pump cooling and heating system as claimed in claim 7, wherein: the second water outlet pipe is successively provided with a third pipeline valve (15) and a second circulating pump (6) along the water flow direction in the pipe; the second water inlet pipe is provided with a second regulating valve (12); circulating water in the third loop flows out of a second outlet of the energy storage box (5) and then returns to a second inlet of the energy storage box (5) through a third pipeline valve (15), a second circulating pump (6), each household water-ring heat pump (8) and a second regulating valve (12) in sequence.
9. The household concentrated water loop heat pump cooling and heating system according to claim 8, characterized in that: a bypass pipe is arranged between the second water outlet pipe and the second water inlet pipe, one end of the bypass pipe is positioned between the energy storage box (5) and the third pipeline valve (15), and the other end of the bypass pipe is positioned on the second water inlet pipe connected with the inlet of the second regulating valve (12); the bypass pipe is provided with a first regulating valve (11).
10. The household concentrated water loop heat pump cooling and heating system as claimed in claim 9, wherein: the cooling equipment (10), the second circulating pump (6) and the household water-ring heat pump (8) are connected in sequence through pipelines to form a closed fourth loop; an outlet of the cooling device (10) is communicated with an inlet of the second circulating pump (6) through a cooling water outlet pipe, and an inlet of the cooling device is communicated with an outlet of the household water-ring heat pump (8) through a cooling water return pipe; the cooling water outlet pipe is provided with a second pipeline valve (14), and the cooling water return pipe is provided with a first pipeline valve (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010182293.5A CN111043688B (en) | 2020-03-16 | 2020-03-16 | Household centralized water-ring heat pump cooling and heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010182293.5A CN111043688B (en) | 2020-03-16 | 2020-03-16 | Household centralized water-ring heat pump cooling and heating system |
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| CN111043688B CN111043688B (en) | 2020-07-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193858Y (en) * | 2008-04-16 | 2009-02-11 | 杨迈 | Digital frequency conversion electromagnetic heat pump indoor central air conditioner |
| CN103411282A (en) * | 2013-08-13 | 2013-11-27 | 重庆惠康空调有限公司 | Ice source heat pump technology based heat pump system |
| CN107366946A (en) * | 2017-08-10 | 2017-11-21 | 郗厚站 | Heating system and its application method |
| CN209763217U (en) * | 2019-04-15 | 2019-12-10 | 河北道荣新能源科技有限公司 | Multi-energy complementary centralized clean heating heat source station |
-
2020
- 2020-03-16 CN CN202010182293.5A patent/CN111043688B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193858Y (en) * | 2008-04-16 | 2009-02-11 | 杨迈 | Digital frequency conversion electromagnetic heat pump indoor central air conditioner |
| CN103411282A (en) * | 2013-08-13 | 2013-11-27 | 重庆惠康空调有限公司 | Ice source heat pump technology based heat pump system |
| CN107366946A (en) * | 2017-08-10 | 2017-11-21 | 郗厚站 | Heating system and its application method |
| CN209763217U (en) * | 2019-04-15 | 2019-12-10 | 河北道荣新能源科技有限公司 | Multi-energy complementary centralized clean heating heat source station |
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| CN111043688B (en) | 2020-07-03 |
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