CN106482370B - Efficient and energy-saving experiment temperature adjusting system and working method thereof - Google Patents
Efficient and energy-saving experiment temperature adjusting system and working method thereof Download PDFInfo
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- CN106482370B CN106482370B CN201610949163.3A CN201610949163A CN106482370B CN 106482370 B CN106482370 B CN 106482370B CN 201610949163 A CN201610949163 A CN 201610949163A CN 106482370 B CN106482370 B CN 106482370B
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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Abstract
The invention discloses an efficient and energy-saving experimental temperature adjusting system and a working method thereof, wherein the experimental temperature adjusting system comprises a first refrigerating system, a second refrigerating system and an energy storage system; the first refrigeration system comprises a first compressor, a first four-way valve, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first gas-liquid separator, a first throttling component, a first stop valve and a second stop valve, wherein the first four-way valve is provided with C, D, E, S four interfaces; the energy storage system comprises a transfer tank, a first water tank, a second water tank, a first pump, a second pump, a third pump, a fourth pump, a first energy storage stop valve, a second energy storage stop valve, a third energy storage stop valve, a fourth energy storage stop valve, a fifth energy storage stop valve and a sixth energy storage stop valve; the system can quickly adjust the temperature, realize quick temperature adjustment by changing the temperature of the heat exchange medium, reduce the experimental test time, save more energy for heat recovery, refrigerate the stored cold energy, use the stored heat for heating and realize the heat recovery function.
Description
Technical Field
The invention relates to the technical field of air-conditioning heat pumps, in particular to an efficient and energy-saving experimental temperature adjusting system and a working method thereof.
Background
The existing air-conditioning heat pump products need to be tested in a laboratory before being put into production, and the working conditions such as the indoor temperature, the test water temperature and the like need to be adjusted according to relevant test standards during testing so as to complete the experimental test of the heat pump. The temperature in the laboratory is regulated by a refrigerating system, and the heat source of the refrigerating system is generally an air source, a water source and other energy sources; when a laboratory needs heating, the refrigerating system absorbs heat in the air to heat; when a laboratory needs to refrigerate, the refrigerating system dissipates heat to the heat source side, so that the regulation of the environmental temperature of the laboratory is completed; and the air conditioner heat pump product need adjust test water tank temperature during test, and prior art mainly cools off through the cooling tower, adds the electricity and assists the heat and heats up through the heat pump system to accomplish experiment test temperature regulation.
However, the regulation speed of the temperature of the existing laboratory and the regulation speed of the temperature of the test water are both slow, and because the heat or cold generated in the temperature regulation process of the experiment is completely discharged into the air, when the temperature of the heat source side is higher, the temperature of the test water and the temperature of the environment in the laboratory is slowly reduced; when the temperature of the heat source side is lower, the temperature of the test water and the temperature of the environment in the laboratory are slowly increased; therefore, the experiment temperature adjusting speed is slow, the process is troublesome, the efficiency is low, and a lot of energy is wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a multifunctional, high-efficiency and energy-saving experimental temperature adjusting system capable of quickly adjusting temperature and a working method thereof.
In order to achieve the purpose, the scheme provided by the invention is as follows: an efficient and energy-saving experimental temperature adjusting system comprises a first refrigerating system, a second refrigerating system and an energy storage system;
the first refrigeration system comprises a first compressor, a first four-way valve, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first gas-liquid separator, a first throttling component, a first stop valve and a second stop valve, wherein the first four-way valve is provided with C, D, E, S four interfaces; the first compressor is connected with a connector D of the first four-way valve, a connector C of the first four-way valve is respectively connected with the second heat exchanger and the third heat exchanger, and the second heat exchanger is connected with the first stop valve; the third heat exchanger is connected with the second stop valve, the first stop valve and the second stop valve are jointly connected with the first throttling component, the first throttling component is connected with the first heat exchanger, the first heat exchanger is connected with a connector E of the first four-way valve, a connector S of the first four-way valve is connected with the first gas-liquid separator, and the first gas-liquid separator is connected with the first compressor to form a circulation loop;
the second refrigeration system comprises a second compressor, a second four-way valve, a fourth heat exchanger, a fifth heat exchanger, a sixth heat exchanger, a second gas-liquid separator, a second throttling component, a third stop valve and a fourth stop valve, and the second four-way valve is provided with C, D, E, S four interfaces; the second compressor is connected with a connector D of the second four-way valve, a connector C of the second four-way valve is respectively connected with the third stop valve and the fourth stop valve, and the third stop valve is connected with the fifth heat exchanger; the fourth stop valve is connected with the sixth heat exchanger, the fifth heat exchanger and the sixth heat exchanger are jointly connected with the second throttling component, the second throttling component is connected with the fourth heat exchanger, the fourth heat exchanger is connected with a connector E of the second four-way valve, a connector S of the second four-way valve is connected with the second gas-liquid separator, and the second gas-liquid separator is connected with the second compressor to form a circulation loop;
the energy storage system comprises a transfer tank, a first water tank, a second water tank, a first pump, a second pump, a third pump, a fourth pump, a first energy storage stop valve, a second energy storage stop valve, a third energy storage stop valve, a fourth energy storage stop valve, a fifth energy storage stop valve and a sixth energy storage stop valve; the transfer case is respectively connected with the third pump and the fourth pump, the fourth pump is respectively connected with the third energy storage stop valve and the sixth energy storage stop valve, the third energy storage stop valve is connected with the first water tank, and the sixth energy storage stop valve is connected with the second water tank; the first water tank is also connected with the fourth energy storage stop valve, the second water tank is also connected with the fifth energy storage stop valve, and the fourth energy storage stop valve and the fifth energy storage stop valve are jointly connected with the third pump; the first water tank is also respectively connected with the first pump and a second energy storage stop valve, the first pump is connected with the first energy storage stop valve, the second energy storage stop valve is connected with the second pump, and the first energy storage stop valve and the second pump are jointly connected with the second water tank to form a circulation loop;
the third heat exchanger of the first refrigeration system is arranged in the first water tank, and the sixth heat exchanger of the second refrigeration system is arranged in the second water tank.
Further, the working method of the temperature regulating system comprises the following steps:
the heating or hot water making process of the first refrigerating system comprises the following steps: when the water temperature of the first water tank is higher than the ambient temperature, the third heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the first four-way valve from the first compressor, then flows to the first heat exchanger from a connector E of the first four-way valve for cooling and releasing heat, the refrigerant after heat release and temperature reduction sequentially flows to the third heat exchanger through the first throttling component and the second stop valve for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to a connector C of the first four-way valve, then flows to the first gas-liquid separator from a connector S of the first four-way valve, and then flows back to the first compressor through the first gas-liquid separator, so that the first refrigerating system can rapidly heat or make hot water; when the water temperature of the first water tank is lower than the temperature of the environment, the second heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the first four-way valve from the first compressor, then flows to the first heat exchanger from a connector E of the first four-way valve for cooling and releasing heat, the refrigerant after heat release and cooling sequentially flows to the second heat exchanger through the first throttling component and the first stop valve for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to a connector C of the first four-way valve, then flows to the first gas-liquid separator from a connector S of the first four-way valve, and then flows back to the first compressor through the first gas-liquid separator, so that the first refrigerating system can rapidly heat or make hot water; the first water tank is subjected to cold accumulation in the process of heating or hot water heating;
the refrigeration process of the first refrigeration system is as follows: when the water temperature of the first water tank is lower than the ambient temperature, the third heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the first four-way valve from the first compressor, then flows to the third heat exchanger from a connector C of the first four-way valve for cooling and heat release, the refrigerant after heat release and temperature reduction flows to the second stop valve and then flows to the first throttling component, the refrigerant flows into the first heat exchanger for heat absorption and evaporation after being throttled by the first throttling component, the refrigerant after heat absorption and evaporation flows back to a connector E of the first four-way valve, then flows to the first gas-liquid separator from a connector S of the first four-way valve and then flows back to the first compressor, and therefore the rapid refrigeration of the first refrigeration system is completed; when the water temperature of the first water tank is higher than the ambient temperature, the second heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the first four-way valve from the first compressor, then flows to the second heat exchanger from a connector C of the first four-way valve for cooling and heat release, the refrigerant after heat release and temperature reduction flows to the first stop valve and then flows to the first throttling component, the refrigerant flows into the first heat exchanger for heat absorption and evaporation after throttling by the first throttling component, the refrigerant after heat absorption and evaporation flows back to a connector E of the first four-way valve, then flows to the first gas-liquid separator from a connector S of the first four-way valve and then flows back to the first compressor, and therefore rapid refrigeration of the first refrigeration system is completed; storing heat in the first water tank during a refrigeration process;
the heating or hot water making process of the second refrigeration system comprises the following steps: when the water temperature of the second water tank is higher than the ambient temperature, the sixth heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the second four-way valve from the second compressor, then flows to the fourth heat exchanger from a connector E of the second four-way valve for cooling and releasing heat, the refrigerant after heat release and temperature reduction flows to the sixth heat exchanger through the second throttling component for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to a connector C of the second four-way valve through the fourth stop valve, then flows to the second gas-liquid separator from a connector S of the second four-way valve, and then flows back to the second compressor through the second gas-liquid separator, so that the second refrigeration system can rapidly heat or make hot water; when the water temperature of the second water tank is lower than the temperature of the environment, the fifth heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the second four-way valve from the second compressor, then flows to the fourth heat exchanger from a connector E of the second four-way valve for cooling and heat release, the refrigerant after heat release and temperature reduction sequentially flows to the fifth heat exchanger through the second throttling component for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to a connector C of the second four-way valve through the third stop valve, then flows to the second gas-liquid separator from a connector S of the second four-way valve, and then flows back to the second compressor through the second gas-liquid separator, so that the second refrigeration system can rapidly heat or make hot water; the second water tank is used for cold accumulation in the process of heating or hot water heating;
the refrigeration process of the second refrigeration system is as follows: when the water temperature of the second water tank is lower than the ambient temperature, the sixth heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the second four-way valve from the second compressor, then flows to the sixth heat exchanger through a fourth stop valve from a connector C of the second four-way valve for cooling and releasing heat, the refrigerant after heat release and cooling flows to the second throttling component, the refrigerant flows to the fourth heat exchanger for heat absorption and evaporation after being throttled by the second throttling component, the refrigerant after heat absorption and evaporation flows back to a connector E of the second four-way valve, flows to the second gas-liquid separator from a connector S of the second four-way valve and then flows back to the second compressor, and therefore the rapid refrigeration of the second refrigeration system is completed; when the water temperature of the second water tank is higher than the ambient temperature, the fifth heat exchanger is adopted for heat exchange, a high-temperature and high-pressure refrigerant flows to a connector D of the second four-way valve from the second compressor, then flows to the fifth heat exchanger through a connector C of the second four-way valve and a third stop valve for cooling and heat release, the refrigerant after heat release and cooling flows to the second throttling component, the refrigerant flows to the fourth heat exchanger for heat absorption and evaporation after throttling of the second throttling component, the refrigerant after heat absorption and evaporation flows back to a connector E of the second four-way valve, then flows to the second gas-liquid separator from a connector S of the second four-way valve and flows back to the second compressor, and therefore the rapid refrigeration of the second refrigeration system is completed; accumulating heat in the second water tank during a cooling process;
the energy allocation process of the energy storage system comprises the following steps: when the first water tank or the second water tank needs to call water in the other water tank, the mutual calling of the water between the first water tank and the second water tank can be realized through the first pump, the first energy storage stop valve or the second pump and the second energy storage stop valve; the water in the first water tank or the second water tank can be discharged into the transfer tank through the third energy storage stop valve, the sixth energy storage stop valve and the fourth pump, and then the water in the transfer tank is discharged back to the second water tank or the first water tank through the third pump, the fourth energy storage stop valve and the fifth energy storage stop valve, so that the water between the first water tank and the second water tank can be called mutually.
The beneficial effect of this scheme does: 1. the temperature is quickly adjusted, and the scheme realizes quick temperature adjustment by changing the temperature of the heat exchange medium, so that the experimental test time is reduced; 2. the system has multiple functions and more independent functions, and can be used for quickly refrigerating, quickly heating water, quickly heating during quick refrigerating, quickly heating water during quick refrigerating and quickly heating water during quick heating, so that the system has the advantages of multiple functions, and simultaneously, a single refrigerating system can be independently operated according to requirements; 3. the heat recovery is more energy-saving, the system of the scheme refrigerates the stored cold energy and heats the stored heat energy, thereby realizing the heat recovery function; 4. the energy storage, the system of the scheme can store heat during refrigeration, and can store cold during heating or hot water heating; 5. multisource heat transfer, in this scheme, be equipped with a plurality of heat exchangers in experimental environment, refrigerating system can adapt to different environment according to the work demand.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a first refrigeration system, 11 is a first compressor, 12 is a first four-way valve, 131 is a first heat exchanger, 132 is a second heat exchanger, 133 is a third heat exchanger, 14 is a first gas-liquid separator, 15 is a first throttling part, 161 is a first cut-off valve, 162 is a second cut-off valve, 2 is a second refrigeration system, 21 is a second compressor, 22 is a second four-way valve, 231 is a fourth heat exchanger, 232 is a fifth heat exchanger, 233 is a sixth heat exchanger, 24 is a second gas-liquid separator, 25 is a second throttling part, 261 is a third cut-off valve, 262 is a fourth cut-off valve, 3 is an energy storage system, 31 is a transfer tank, 321 is a first water tank, 322 is a second water tank, 331 is a first pump, 332 is a second pump, 333 is a third pump, 334 is a fourth pump, 341 is a first energy storage cut-off valve, 342 is a second energy storage cut-off valve, 343 is a third energy storage cut-off valve, 344 is a fourth energy storage cut-off valve, 345 is a fifth accumulator shutoff valve, 346 is a sixth accumulator shutoff valve.
Detailed Description
The invention will be further illustrated with reference to specific examples:
referring to fig. 1, an energy-efficient experimental temperature regulation system and a working method thereof include a first refrigeration system 1, a second refrigeration system 2 and an energy storage system 3, wherein the first refrigeration system 1 includes a first compressor 11, a first four-way valve 12, a first heat exchanger 131, a second heat exchanger 132, a third heat exchanger 133, a first gas-liquid separator 14, a first throttling component 15, a first stop valve 161 and a second stop valve 162, and the first four-way valve 12 is provided with C, D, E, S four interfaces; the second refrigeration system 2 comprises a second compressor 21, a second four-way valve 22, a fourth heat exchanger 231, a fifth heat exchanger 232, a sixth heat exchanger 233, a second gas-liquid separator 24, a second throttling component 25, a third stop valve 261 and a fourth stop valve 262, wherein the second four-way valve 22 is provided with C, D, E, S four interfaces; the energy storage system 3 comprises a transfer case 31, a first water tank 321, a second water tank 322, a first pump 331, a second pump 332, a third pump 333, a fourth pump 334, a first energy storage stop valve 341, a second energy storage stop valve 342, a third energy storage stop valve 343, a fourth energy storage stop valve 344, a fifth energy storage stop valve 345 and a sixth energy storage stop valve 346; preferably, the first heat exchanger 131 of the first refrigeration system 1 and the fourth heat exchanger 231 of the second refrigeration system 2 are respectively disposed in two different laboratories, and the rest of the components of the first refrigeration system 1 and the second refrigeration system 2 and the energy storage system 3 are both disposed outdoors.
The connection relationship of the components of the first refrigeration system 1 is as follows, the first compressor 11 is connected with the interface D of the first four-way valve 12, the interface C of the first four-way valve 12 is respectively connected with the second heat exchanger 132 and the third heat exchanger 133, and the second heat exchanger 132 is connected with the first cut-off valve 161; the third heat exchanger 133 is connected with the second stop valve 162, the first stop valve 161 and the second stop valve 162 are connected with the first throttling component 15, the first throttling component 15 is connected with the first heat exchanger 131, the first heat exchanger 131 is connected with the interface E of the first four-way valve 12, the interface S of the first four-way valve 12 is connected with the first gas-liquid separator 14, and the first gas-liquid separator 14 is connected with the first compressor 22 to form a circulation loop; the third heat exchanger 133 is disposed in the first water tank 321.
When the temperature of the water in the first water tank 321 is higher than the ambient temperature, the third heat exchanger 133 is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the first compressor 11 to the interface D of the first four-way valve 12, then flows from the interface E of the first four-way valve 12 to the first heat exchanger 131 for cooling and heat release, the refrigerant after heat release and temperature reduction sequentially flows to the third heat exchanger 133 through the first throttling component 15 and the second stop valve 162 for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to the interface C of the first four-way valve 12, then flows to the first gas-liquid separator 14 from the interface S of the first four-way valve 12, and then flows back to the first compressor 11 through the first gas-liquid separator 14, so that the first refrigeration system 1 can rapidly heat or produce hot water; when the temperature of the water in the first water tank 321 is lower than the temperature of the environment, the second heat exchanger 132 is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the first compressor 11 to the interface D of the first four-way valve 12, then flows from the interface E of the first four-way valve 12 to the first heat exchanger 131 for cooling and heat release, the refrigerant after heat release and temperature reduction sequentially flows to the second heat exchanger 132 through the first throttling component 15 and the first stop valve 161 for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to the interface C of the first four-way valve 12, then flows to the first gas-liquid separator 14 from the interface S of the first four-way valve 12, and then flows back to the first compressor 22 through the first gas-liquid separator 14, so that the first refrigeration system 1 can rapidly heat or make hot water; the first water tank 321 is cooled during heating or heating water.
Refrigeration process of the first refrigeration system 1: when the water temperature of the first water tank 321 is lower than the ambient temperature, heat exchange is performed by using the third heat exchanger 133, a high-temperature and high-pressure refrigerant flows from the first compressor 11 to the interface D of the first four-way valve 12, then flows from the interface C of the first four-way valve 12 to the third heat exchanger 133 to perform cooling and heat release, the refrigerant after heat release and temperature reduction flows to the second stop valve 162 and then flows to the first throttling component 15, the refrigerant after heat absorption and evaporation flows into the first heat exchanger 131 to absorb heat and evaporate after throttling by the first throttling component 15, the refrigerant after heat absorption and evaporation flows back to the interface E of the first four-way valve 12, and then flows from the interface S of the first four-way valve 12 to the first gas-liquid separator 14 and then flows back to the first compressor 11, so as to complete rapid refrigeration of the first refrigeration system 1; when the water temperature of the first water tank 321 is higher than the ambient temperature, heat exchange is performed by using the second heat exchanger 162, a high-temperature and high-pressure refrigerant flows from the first compressor 11 to the interface D of the first four-way valve 12, then flows from the interface C of the first four-way valve 12 to the second heat exchanger 162 to cool and release heat, the refrigerant after heat release and temperature reduction flows to the first stop valve 161 and then flows to the first throttling component 15, the refrigerant after heat release and temperature reduction flows to the first heat exchanger 131 to absorb heat and evaporate after throttling by the first throttling component 15, the refrigerant after heat absorption and evaporation flows back to the interface E of the first four-way valve 12, and then flows to the first gas-liquid separator 14 from the interface S of the first four-way valve 12 and then flows back to the first compressor 11, so as to complete the rapid refrigeration of the first refrigeration system 1; the first water tank 321 is subjected to heat accumulation during cooling.
Connection of components of the second refrigeration system 2: the second compressor 21 is connected to the interface D of the second four-way valve 22, the interface C of the second four-way valve 22 is connected to the third stop valve 261 and the fourth stop valve 262, respectively, and the third stop valve 261 is connected to the fifth heat exchanger 232; the fourth stop valve 262 is connected to the sixth heat exchanger 233, the fifth heat exchanger 232 and the sixth heat exchanger 233 are connected to the second throttling part 25, the second throttling part 25 is connected to the fourth heat exchanger 231, the fourth heat exchanger 231 is connected to the interface E of the second four-way valve 22, the interface S of the second four-way valve 22 is connected to the second gas-liquid separator 24, and the second gas-liquid separator 24 is connected to the second compressor 21, thereby forming a circulation loop.
Heating or hot water heating process of the second refrigeration system 2: when the water temperature of the second water tank 322 is higher than the ambient temperature, the sixth heat exchanger 233 is used for heat exchange, the high-temperature and high-pressure refrigerant flows from the second compressor 21 to the interface D of the second four-way valve 22, then flows from the interface E of the second four-way valve 22 to the fourth heat exchanger 231 for cooling and releasing heat, the refrigerant after heat release and temperature reduction flows to the sixth heat exchanger 233 for heat absorption and evaporation through the second throttling component 25, the refrigerant after heat absorption and evaporation flows back to the interface C of the second four-way valve 22 through the fourth stop valve 262, then flows to the second gas-liquid separator 24 from the interface S of the second four-way valve 22, and then flows back to the second compressor 21 through the second gas-liquid separator 24, thereby completing the rapid heating or hot water making of the second refrigeration system 2; when the temperature of the water in the second water tank 322 is lower than the temperature of the environment, the fifth heat exchanger 232 is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the second compressor 21 to the interface D of the second four-way valve 22, then flows from the interface E of the second four-way valve 22 to the fourth heat exchanger 231 for cooling and heat release, the refrigerant after heat release and temperature reduction sequentially flows to the fifth heat exchanger 232 through the second throttling component 25 for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to the interface C of the second four-way valve 22 through the third stop valve 261, then flows to the second gas-liquid separator 24 from the interface S of the second four-way valve 22, and then flows back to the second compressor 21 through the second gas-liquid separator 24, so that the second refrigeration system 2 can rapidly heat or make hot water; the second water tank 322 is cooled during heating or hot water heating.
The refrigeration process of the second refrigeration system 2: when the water temperature of the second water tank 322 is lower than the ambient temperature, the sixth heat exchanger 233 is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the second compressor 21 to the interface D of the second four-way valve 22, then flows from the interface C of the second four-way valve 22 to the sixth heat exchanger 233 through the fourth stop valve 262 for cooling and releasing heat, the refrigerant after heat release and cooling flows to the second throttling part 25, the refrigerant after heat release and cooling flows into the fourth heat exchanger 231 for heat absorption and evaporation after throttling by the second throttling part 25, the refrigerant after heat absorption and evaporation flows back to the interface E of the second four-way valve 22, and then flows from the interface S of the second four-way valve 22 to the second gas-liquid separator 24 and then flows back to the second compressor 21, thereby completing the rapid refrigeration of the second refrigeration system 2; when the water temperature of the second water tank 322 is higher than the ambient temperature, the fifth heat exchanger 232 is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the second compressor 21 to the interface D of the second four-way valve 22, then flows from the interface C of the second four-way valve 22 to the fifth heat exchanger 232 through the third stop valve 261 for cooling and heat release, the refrigerant after heat release and temperature reduction flows to the second throttling component 25, the refrigerant after heat release and temperature reduction flows into the fourth heat exchanger 231 for heat absorption and evaporation after throttling by the second throttling component 25, the refrigerant after heat absorption and evaporation flows back to the interface E of the second four-way valve 22, and then flows from the interface S of the second four-way valve 22 to the second gas-liquid separator 24 and then flows back to the second compressor 21, so as to complete the rapid refrigeration of the second refrigeration system 2; the second water tank 322 is subjected to heat accumulation during the cooling process.
Connection relationship of components of the energy storage system 3: the transfer case 31 is respectively connected with a third pump 333 and a fourth pump 334, the fourth pump 334 is respectively connected with a third energy storage stop valve 343 and a sixth energy storage stop valve 346, the third energy storage stop valve 343 is connected with the first water tank 321, and the sixth energy storage stop valve 346 is connected with the second water tank 322; the first water tank 321 is also connected with a fourth energy storage stop valve 344, the second water tank 322 is also connected with a fifth energy storage stop valve 345, and the fourth energy storage stop valve 344 and the fifth energy storage stop valve 345 are jointly connected with a third pump 333; the first water tank 321 is also respectively connected with a first pump 331 and a second energy storage stop valve 342, the first pump 331 is connected with a first energy storage stop valve 341, the second energy storage stop valve 342 is connected with a second pump 332, and the first energy storage stop valve 341 and the second pump 332 are jointly connected with the second water tank 322 to form a circulation loop; and the third heat exchanger 133 of the first refrigeration system 1 is disposed in the first water tank 321, and the third heat exchanger 133 of the second refrigeration system 2 is disposed in the second water tank 322.
When the refrigerating system carries out quick refrigeration, quick heating and quick hot water making, the water tank needs to allocate the water temperature in the water tank according to the refrigeration function requirement. When the first water tank 321 or the second water tank 322 needs to call water of the other water tank, the mutual call of water between the first water tank 321 and the second water tank 322 can be realized through the first pump 331, the first energy storage stop valve 341 or the second pump 332 and the second energy storage stop valve 342; the water in the first water tank 321 or the second water tank 322 can be discharged into the transfer tank 31 through the third energy storage stop valve 343, the sixth energy storage stop valve 346 and the fourth pump 334, and then the water in the transfer tank 31 is discharged back to the second water tank 322 or the first water tank 321 through the third pump 333, the fourth energy storage stop valve 344 and the fifth energy storage stop valve 345, so that the mutual water transfer between the first water tank 321 and the second water tank 322 is realized.
The functional principle of the temperature regulating system of the embodiment is as follows:
the multifunctional principle is as follows: the experiment temperature adjusting system comprises a first refrigerating system 1, a second refrigerating system 2 and other refrigerating systems, and each set of refrigerating system has the functions of refrigerating, heating and water heating. Through the combination of related functions of a plurality of sets of refrigerating systems, the system has the functions of quick refrigeration, quick heating, quick water heating, quick heating during quick refrigeration, quick water heating during quick heating and the like.
The principle of rapid temperature regulation: the refrigerating system allocates the energy storage system 3 according to the functional requirements, and the temperature of the heat exchange medium in the water tank is changed to realize rapid heat exchange, thereby realizing the functions of rapid refrigeration, rapid heating and rapid water heating.
The energy storage principle is as follows: the experiment temperature adjusting system is provided with an energy storage system 3 in an experiment environment, and a water tank is arranged in the experiment environment of each refrigerating system in the energy storage system 3. When a certain refrigerating system refrigerates, the corresponding water tank is subjected to heat storage; when a certain refrigerating system heats or heats water, the corresponding water tank is stored with cold. Therefore, the system can store heat during refrigeration, and store heat during heating or hot water heating.
The heat recovery principle is as follows: the experimental temperature regulating system has an energy storage function, so that the cold energy stored in heating or hot water heating can be used for quick refrigeration; when the system is used for quick refrigeration, the corresponding water tank stores heat for quick heating or water heating of the system. When the system is used for quickly heating or heating water, the corresponding water tank also stores cold for system refrigeration. Therefore, the system can absorb and recycle the heat released during refrigeration and the cold generated during heating or hot water heating, thereby realizing the heat recovery function.
Multi-source heat exchange: the system is provided with a plurality of heat exchangers in an experimental environment, one heat exchanger is used for absorbing energy stored in the heat exchange system, the other heat exchangers are used for exchanging heat with an air source, a water source or geothermal heat, and when the energy stored in the heat exchange medium in the energy storage system 3 is superior to that of other energy sources, the heat exchangers exchange heat with the heat exchange medium; when the energy of other energy sources in the experimental environment is superior to the energy stored in the heat exchange medium, the heat exchanger exchanges heat with the other energy sources. Therefore, the system has a multi-source heat exchange function.
The working principle and part of implementation methods of the high-efficiency and energy-saving experimental temperature regulation system are explained only by the invention, and the system is not limited to system increase and decrease, flow path change, structure change, heat exchange medium change and part replacement, and all refrigeration systems similar to or identical to the implementation method of the system are in the protection scope of the application.
Claims (2)
1. The utility model provides an energy-efficient experiment temperature governing system which characterized in that: comprises a first refrigerating system (1), a second refrigerating system (2) and an energy storage system (3); the first refrigeration system (1) comprises a first compressor (11), a first four-way valve (12), a first heat exchanger (131), a second heat exchanger (132), a third heat exchanger (133), a first gas-liquid separator (14), a first throttling component (15), a first stop valve (161) and a second stop valve (162), wherein the first four-way valve (12) is provided with C, D, E, S four interfaces; the first compressor (11) is connected with a port D of the first four-way valve (12), a port C of the first four-way valve (12) is respectively connected with the second heat exchanger (132) and the third heat exchanger (133), and the second heat exchanger (132) is connected with the first cut-off valve (161); the third heat exchanger (133) is connected with the second stop valve (162), the first stop valve (161) and the second stop valve (162) are jointly connected with the first throttling component (15), the first throttling component (15) is connected with the first heat exchanger (131), the first heat exchanger (131) is connected with an interface E of the first four-way valve (12), an interface S of the first four-way valve (12) is connected with the first gas-liquid separator (14), and the first gas-liquid separator (14) is connected with the first compressor (11) to form a circulation loop; the second refrigeration system (2) comprises a second compressor (21), a second four-way valve (22), a fourth heat exchanger (231), a fifth heat exchanger (232), a sixth heat exchanger (233), a second gas-liquid separator (24), a second throttling component (25), a third stop valve (261) and a fourth stop valve (262), and the second four-way valve (22) is provided with C, D, E, S four interfaces; the second compressor (21) is connected with a port D of the second four-way valve (22), a port C of the second four-way valve (22) is respectively connected with the third stop valve (261) and the fourth stop valve (262), and the third stop valve (261) is connected with the fifth heat exchanger (232); the fourth stop valve (262) is connected with the sixth heat exchanger (233), the fifth heat exchanger (232) and the sixth heat exchanger (233) are connected with the second throttling component (25) together, the second throttling component (25) is connected with the fourth heat exchanger (231), the fourth heat exchanger (231) is connected with an interface E of the second four-way valve (22), an interface S of the second four-way valve (22) is connected with the second gas-liquid separator (24), and the second gas-liquid separator (24) is connected with the second compressor (21) to form a circulation loop; the energy storage system (3) comprises a transfer case (31), a first water tank (321), a second water tank (322), a first pump (331), a second pump (332), a third pump (333), a fourth pump (334), a first energy storage stop valve (341), a second energy storage stop valve (342), a third energy storage stop valve (343), a fourth energy storage stop valve (344), a fifth energy storage stop valve (345) and a sixth energy storage stop valve (346); the transfer case (31) is respectively connected with the third pump (333) and the fourth pump (334), the fourth pump (334) is respectively connected with the third energy storage stop valve (343) and the sixth energy storage stop valve (346), the third energy storage stop valve (343) is connected with the first water tank (321), and the sixth energy storage stop valve (345) is connected with the second water tank (322); the first water tank (321) is also connected with the fourth energy storage stop valve (344), the second water tank (322) is also connected with the fifth energy storage stop valve (345), and the fourth energy storage stop valve (344) and the fifth energy storage stop valve (346) are jointly connected with the third pump (333); the first water tank (321) is also respectively connected with the first pump (331) and a second energy storage stop valve (342), the first pump (331) is connected with the first energy storage stop valve (341), the second energy storage stop valve (342) is connected with the second pump (332), and the first energy storage stop valve (341) and the second pump (332) are jointly connected with the second water tank (322) to form a circulation loop; wherein the third heat exchanger (133) of the first refrigeration system (1) is arranged in the first water tank (321), and the sixth heat exchanger (233) of the second refrigeration system (2) is arranged in the second water tank (322).
2. A method of operating a high efficiency energy saving experimental temperature conditioning system as claimed in claim 1, characterized by: -heating or hot water production process of the first refrigeration system (1): when the water temperature of the first water tank (321) is higher than the ambient temperature, heat exchange is performed by using the third heat exchanger (133), a high-temperature and high-pressure refrigerant flows from the first compressor (11) to the interface D of the first four-way valve (12), then flows from the interface E of the first four-way valve (12) to the first heat exchanger (131) to perform cooling and heat release, the refrigerant after heat release and cooling flows to the third heat exchanger (133) to absorb heat and evaporate through the first throttling component (15) and the second stop valve (162) in sequence, the refrigerant after heat absorption and evaporation flows back to the interface C of the first four-way valve (12), then flows to the first gas-liquid separator (14) from the interface S of the first four-way valve (12), and then flows back to the first compressor (11) from the first gas-liquid separator (14), so as to complete rapid heating or hot water production of the first refrigeration system (1); when the temperature of the water in the first water tank (321) is lower than the temperature of the environment, heat exchange is performed by using the second heat exchanger (132), a high-temperature and high-pressure refrigerant flows from the first compressor (11) to the interface D of the first four-way valve (12), then flows from the interface E of the first four-way valve (12) to the first heat exchanger (131) to perform cooling and heat release, the refrigerant after heat release and cooling flows to the second heat exchanger (132) to absorb heat and evaporate through the first throttling component (15) and the first stop valve (161) in sequence, the refrigerant after heat absorption and evaporation flows back to the interface C of the first four-way valve (12), then flows to the first gas-liquid separator (14) from the interface S of the first four-way valve (12), and then flows back to the first compressor (11) through the first gas-liquid separator (14), so as to complete rapid heating or hot water production of the first refrigeration system (1); the first water tank (321) is subjected to cold accumulation in the process of heating or hot water heating; -refrigeration process of the first refrigeration system (1): when the water temperature of the first water tank (321) is lower than the ambient temperature, heat exchange is performed by using the third heat exchanger (133), a high-temperature and high-pressure refrigerant flows from the first compressor (11) to the interface D of the first four-way valve (12), then flows from the interface C of the first four-way valve (12) to the third heat exchanger (133) to perform cooling and heat release, the refrigerant after heat release and cooling flows to the second stop valve (162) and then flows to the first throttling component (15), the refrigerant flows into the first heat exchanger (131) after being throttled by the first throttling component (15) to absorb heat and evaporate, the refrigerant after absorbing heat and evaporating flows back to the interface E of the first four-way valve (12), then flows from the interface S of the first four-way valve (12) to the first gas-liquid separator (14) and then flows back to the first compressor (11), so as to complete the rapid refrigeration of the first refrigeration system (1); when the water temperature of the first water tank (321) is higher than the ambient temperature, heat exchange is performed by using the second heat exchanger (132), a high-temperature and high-pressure refrigerant flows from the first compressor (11) to the interface D of the first four-way valve (12), then flows from the interface C of the first four-way valve (12) to the second heat exchanger (132) to be cooled and released, the refrigerant after heat release and temperature reduction flows to the first stop valve (161) and then flows to the first throttling component (15), the refrigerant flows into the first heat exchanger (131) after being throttled by the first throttling component (15) to absorb heat and evaporate, the refrigerant after absorbing heat and evaporating flows back to the interface E of the first four-way valve (12), then flows from the interface S of the first four-way valve (12) to the first gas-liquid separator (14) and then flows back to the first compressor (11), so as to complete the rapid refrigeration of the first refrigeration system (1); accumulating heat in the first water tank (321) during a cooling process; the heating or hot water making process of the second refrigerating system (2) comprises the following steps: when the water temperature of the second water tank (322) is higher than the ambient temperature, the sixth heat exchanger (233) is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the second compressor (21) to the interface D of the second four-way valve (22), then flows from the interface E of the second four-way valve (22) to the fourth heat exchanger (231) for cooling and heat release, the refrigerant after heat release and temperature reduction flows to the sixth heat exchanger (233) through the second throttling component (25) for heat absorption and evaporation, the refrigerant after heat absorption and evaporation flows back to the interface C of the second four-way valve (22) through the fourth stop valve (262), then flows to the second gas-liquid separator (24) from the interface S of the second four-way valve (22), and then flows back to the second compressor (21) through the second gas-liquid separator (24), so that the second refrigeration system (2) can rapidly heat or make hot water; when the water temperature of the second water tank (322) is lower than the temperature of the environment, heat exchange is performed by using the fifth heat exchanger (232), a high-temperature and high-pressure refrigerant flows from the second compressor (21) to the interface D of the second four-way valve (22), then flows from the interface E of the second four-way valve (22) to the fourth heat exchanger (231) to be cooled and released, the refrigerant after heat release and temperature reduction sequentially flows to the fifth heat exchanger (232) through the second throttling component (25) to absorb heat and evaporate, the refrigerant after heat absorption and evaporation flows back to the interface C of the second four-way valve (22) through the third stop valve (261), then flows to the second gas-liquid separator (24) from the interface S of the second four-way valve (22), and then flows back to the second compressor (21) through the second gas-liquid separator (24), so that the second refrigeration system (2) can rapidly heat or make hot water; cold accumulation is carried out on the second water tank (322) in the process of heating or hot water heating; -refrigeration process of the second refrigeration system (2): when the water temperature of the second water tank (322) is lower than the ambient temperature, the sixth heat exchanger (233) is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the second compressor (21) to the interface D of the second four-way valve (22), then flows from the interface C of the second four-way valve (22) to the sixth heat exchanger (233) through the fourth stop valve (262) for cooling and releasing heat, the refrigerant after heat release and temperature reduction flows to the second throttling component (25), the refrigerant flows into the fourth heat exchanger (231) for heat absorption and evaporation after throttling through the second throttling component (25), the refrigerant after heat absorption and evaporation flows back to the interface E of the second four-way valve (22), then flows from the interface S of the second four-way valve (22) to the second gas-liquid separator (24) and then flows back to the second compressor (21), so as to complete the rapid refrigeration of the second refrigeration system (2); when the water temperature of the second water tank (322) is higher than the ambient temperature, the fifth heat exchanger (232) is used for heat exchange, a high-temperature and high-pressure refrigerant flows from the second compressor (21) to the interface D of the second four-way valve (22), then flows from the interface C of the second four-way valve (22) to the fifth heat exchanger (232) through the third stop valve (261) for temperature reduction and heat release, the refrigerant after heat release and temperature reduction flows to the second throttling component (25), the refrigerant flows into the fourth heat exchanger (231) for heat absorption and evaporation after throttling through the second throttling component (25), the refrigerant after heat absorption and evaporation flows back to the interface E of the second four-way valve (22), then flows to the second gas-liquid separator (24) from the interface S of the second four-way valve (22) and then flows back to the second compressor (21), and therefore the rapid refrigeration of the second refrigeration system (2) is completed; accumulating heat in the second water tank (322) during a cooling process; the energy allocation process of the energy storage system (3) comprises the following steps: when the first water tank (321) or the second water tank (322) needs to call water of the other water tank, the mutual calling of the water between the first water tank (321) and the second water tank (322) can be realized through the first pump (331), the first energy storage stop valve (341) or the second pump (332) and the second energy storage stop valve (342); the water in the first water tank (321) or the second water tank (322) can be drained into the transfer tank (31) through the third energy storage stop valve (343), the sixth energy storage stop valve (346) and the fourth pump (334), and then the water in the transfer tank (31) is drained back to the second water tank (322) or the first water tank (321) through the third pump (333), the fourth energy storage stop valve (344) and the fifth energy storage stop valve (345), so that the mutual calling of the water between the first water tank (321) and the second water tank (322) is realized.
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| DE2945495A1 (en) * | 1979-11-10 | 1981-06-11 | Hans 7850 Lörrach Asal | HEAT RECOVERY STORAGE OR THE LIKE |
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| CN206269412U (en) * | 2016-10-26 | 2017-06-20 | 广东高而美制冷设备有限公司 | A kind of energy-efficient experimental temperature regulating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009516490A (en) * | 2005-11-14 | 2009-04-16 | センパ パワー システムズ リミテッド | Facility energy management system |
| US9429018B2 (en) * | 2009-12-08 | 2016-08-30 | Electromotion Energy Corporation | Synergistic energy ecosystem |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2945495A1 (en) * | 1979-11-10 | 1981-06-11 | Hans 7850 Lörrach Asal | HEAT RECOVERY STORAGE OR THE LIKE |
| CN101210748A (en) * | 2006-12-28 | 2008-07-02 | 苏宇贵 | Air-conditioner hot-water composite machine |
| CN202501757U (en) * | 2012-03-01 | 2012-10-24 | 天壕节能科技股份有限公司 | Yellow phosphorus tail gas utilizing device |
| CN206269412U (en) * | 2016-10-26 | 2017-06-20 | 广东高而美制冷设备有限公司 | A kind of energy-efficient experimental temperature regulating system |
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