CN115077109A - Solar air-conditioning tent system for epidemic prevention and control method - Google Patents
Solar air-conditioning tent system for epidemic prevention and control method Download PDFInfo
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- CN115077109A CN115077109A CN202210696629.9A CN202210696629A CN115077109A CN 115077109 A CN115077109 A CN 115077109A CN 202210696629 A CN202210696629 A CN 202210696629A CN 115077109 A CN115077109 A CN 115077109A
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- 230000002265 prevention Effects 0.000 title claims abstract description 25
- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 11
- 238000005338 heat storage Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 208000015181 infectious disease Diseases 0.000 description 4
- 230000004630 mental health Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
- E04H15/10—Heating, lighting or ventilating
- E04H15/12—Heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F25B41/31—Expansion valves
- F25B41/325—Expansion valves having two or more valve members
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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
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The solar air-conditioning tent system for epidemic situation prevention and control and the control method thereof are characterized in that solar energy and air energy are input into the system, and the purpose is to provide a solar air-conditioning tent with dual purposes of cooling and heating for epidemic situation prevention and control personnel, so that conversion and utilization of light, heat and light and electricity are realized. The solar energy PV/T heat collector comprises a solar energy PV/T heat collector, a heat collecting water tank, an evaporator, a compressor, a four-way valve, a condenser, a fan coil, a tent, a control inversion all-in-one machine, a flow meter, a heat collecting pump, a temperature sensor, a voltage sensor, a current sensor, an exhaust valve, a three-way valve, a power measuring instrument, a pressure sensor, an electronic expansion valve and a storage battery pack; the system has four operation modes, namely (1) an independent solar PV/T heating mode; (2) a solar PV/T heat pump combined heating mode; (3) an air source heat pump heating mode; (4) air source heat pump cooling mode. Switching between the modes of operation is achieved by switching different valves.
Description
Technical Field
The invention relates to the fields of solar energy utilization technology and heat pumps, in particular to solar air-conditioning tent system technology for epidemic situation prevention and control.
Background
In order to prevent infection, epidemic situation first-line personnel wear the head cover and wear protective clothing, and research and develop a tent for epidemic situation prevention and control with high comfort level is vital to guarantee physical and mental health of workers and reduce the risk of epidemic situation infection, and has necessity and urgency.
Through search, the patent of the solar tent with the publication number of CN101413357B is only to simply combine the solar cell panel and the tent for supplying power to the tent and using the tent in field illumination; a multifunctional tent system such as the authorization notice number CN102226359, which is added with a heating function on the basis of lighting, but has no cooling function; for example, a solar camping tent with dual purposes of cooling and heating, which is disclosed in the publication No. CN104631903B, also uses a solar panel, can heat and cool, a semiconductor refrigeration layer is powered to refrigerate in the daytime, and heating is performed through a phase-change heat storage material at night, but the heating and cooling in the above patent only depend on solar energy, and the solar energy is lacked, so that the solar camping tent cannot operate. Micro heat pipe photovoltaic light and heat integrated device (PV/T) technique, timesharing subregion energy supply technique, air conditioner and heat pump technique integrated system are advanced combined heat and power system that develops in recent years, this patent is planned to be integrated three kinds of techniques, utilize solar energy and air energy, both energy are complementary, research and development and demonstration epidemic situation prevent and control use solar energy air conditioner tent, the maximize utilization of solar energy has been realized, the accurate control of tent air flow field and workspace comfort level, when helping ensure staff physical and mental health, reduce the risk of epidemic situation infection.
Disclosure of Invention
The invention aims to provide a solar air-conditioning tent system for epidemic prevention and control and a control method.
The invention relates to a solar air-conditioning tent system for epidemic prevention and control and a control method, wherein the solar air-conditioning tent system for epidemic prevention and control comprises a solar PV/T heat collector 1, an outlet is provided with a pipeline 22 and is connected with a heat collection water tank 2, the outlet of the heat collection water tank 2 is connected with a pipeline 23, and the pipeline 23 is provided with a first heat collection pump 12, a first flowmeter 11 and an integrated heat storage subsystem; a first three-way valve 62 is arranged at an outlet at the other end of the heat collection water tank 2 and is connected with the shell-type evaporator 3, the second heat collection pump 29, the second flowmeter 28 and the second three-way valve 27; the shell-and-tube evaporator 3 is provided with a first valve 32 at the outlet, connected with the compressor 5, the four-way valve 6, the shell-and-tube condenser 7, the second valve 58 and the first electronic expansion valve 57, and integrated with a water source heat pump subsystem; the compressor 5 is connected with the four-way valve 6, the shell-and-tube condenser 7 and the third valve 47, connected with the second electronic expansion valve 56, the finned evaporator 4 and the fourth valve 40, and integrated with an air source heat pump subsystem; the outlet of the shell-and-tube condenser 7 is connected with a third three-way valve 50, a water pump 66, a fan coil 8, a tent 9 and a fourth three-way valve 49, and a terminal tent subsystem is integrated; the fan coil 8 is arranged in the tent 9; in the photoelectric system, a solar PV/T heat collector 1 supplies power to be connected with a control inversion all-in-one machine 10 through a circuit 61, and the control inversion all-in-one machine 10 is respectively connected with a tent 9 and a storage battery pack 63 to supply power to the tent 9 and a circuit 64; line 61 circumscribes voltage sensor 17 and current sensor 18.
The invention discloses a control method of a solar air-conditioning tent system for epidemic situation prevention and control, which has the following operation modes:
(1) individual solar PV/T heating mode: when the sunlight is sufficient and the temperature in the tent is lower than the set temperature of 18 ℃, the heating mode is started by judging that the temperature of a fourth temperature sensor 19 in the heat collection water tank 2 is not lower than 40 ℃; working media in the solar PV/T heat collector 1 absorb solar energy, the working media are conveyed into the heat collection water tank 2 through a pipeline 22 and exchange heat with water, and the working media after heat exchange flow back to the solar PV/T heat collector 1 through a first heat collection pump 12 on a pipeline 23; an outlet of the heat collecting water tank 2 is connected with a third three-way valve 50 through a first three-way valve 62 and a pipeline 64, hot water is sent into a fan coil 8 through the third three-way valve 50 by a water pump 66, and hot air is sent into a tent 9 by the fan coil 8 for heating; the return water flows back to the heat collecting water tank 2 through the fourth three-way valve 49 and the second three-way valve 27.
(2) Solar PV/T heat pump combined heating mode: when the sunlight is insufficient and the temperature in the tent is lower than the set temperature of 18 ℃, the requirement of single solar PV/T heating cannot be met by judging that the temperature of 7 ℃ and the temperature of a fourth temperature sensor 19 in the heat collection water tank 2 are lower than 40 ℃, but the water temperature in the heat collection water tank 2 is higher and can be used as a low-temperature heat source of the shell-and-tube evaporator 3; the water in the heat collecting water tank 2 enters the shell-and-tube evaporator 3 through the first three-way valve 62 and exchanges heat with the working medium in the shell-and-tube evaporator, and the water after heat exchange flows back to the heat collecting water tank 2 through the second heat collecting pump 29, the second flowmeter 28 and the second three-way valve 27; the working medium which completes heat exchange in the shell-and-tube evaporator 3 enters the shell-and-tube condenser 7 through the first valve 32, the compressor 5 and the four-way valve 6, the working medium exchanges heat with water, the water which absorbs heat is sent to the fan coil 8 through the third three-way valve 50 by the water pump 66, and the fan coil 8 sends hot air to the tent 9 for heating.
The working medium after heat exchange in the shell-and-tube condenser 7 returns to the shell-and-tube evaporator 3 through the second valve 58 and the first electronic expansion valve 57; the hot water after heat exchange from the shell-and-tube condenser 7 is completed forms a circulating water loop with the third three-way valve 50, the water pump 66, the twenty-third temperature sensor 51, the third flow meter 65, the fan coil 8, the twenty-fourth temperature sensor 52, the fourth three-way valve 49 and the shell-and-tube condenser 7.
(3) Air source heat pump heating mode: when no sunlight exists and the temperature in the tent is lower than the set temperature of 18 ℃, the temperature of the fourth temperature sensor 19 in the heat collection water tank 2 is judged to be less than or equal to 7 ℃, namely the temperature of water in the heat collection water tank 2 is too low to be used as a low-temperature heat source of the shell-and-tube evaporator 3; air energy is input from the outside, the air exchanges heat with working media in the fin-type evaporator 4, the working media after heat exchange enters the shell-and-tube condenser 7 through the fourth valve 40, the compressor 5 and the four-way valve 6, the working media exchange heat with water, the water absorbing heat is sent to the fan coil 8 through the third three-way valve 50 by the water pump 66, and the fan coil 8 sends hot air to the tent 9 for heating.
The working medium after heat exchange in the shell-and-tube condenser 7 is returned to the finned evaporator 4 through the third valve 47 and the second electronic expansion valve 56; the hot water after heat exchange from the shell-and-tube condenser 7 forms a circulating water loop with the third three-way valve 50, the water pump 66, the twenty-third temperature sensor 51, the third flow meter 65, the fan coil 8, the twenty-fourth temperature sensor 52, the fourth three-way valve 49 and the shell-and-tube condenser 7.
(4) Air source heat pump cooling mode: when the temperature in the tent is higher than the refrigeration set temperature by 28 ℃, the shell-and-tube condenser 7 in the mode (3) can be used as a shell-and-tube evaporator at this time, the finned evaporator 4 can be used as a finned condenser, and the functions of the condenser and the evaporator are interchanged; the hot air in the tent 9 is input into the shell-and-tube evaporator 7, heat exchange is carried out between the hot air and the refrigerant in the shell-and-tube evaporator 7, the refrigerant after heat exchange enters the finned condenser 4 through the four-way valve 6 and the compressor 5 and then enters the shell-and-tube evaporator 7 through the second electronic expansion valve 56, the refrigerant exchanges heat with water, the refrigerant absorbs heat in the water, cold water is sent into the fan coil 8 through the third three-way valve 50 by the water pump 66, and cold air is sent into the tent 9 by the fan coil 8 for refrigeration.
The refrigerant after heat exchange in the shell-and-tube evaporator 7 is circulated through a four-way valve 6, a compressor 5, a finned condenser 4, a second electronic expansion valve 56, a third valve 47 and the shell-and-tube evaporator 7; the cold water after heat exchange from the shell-and-tube evaporator 7 is completed forms a circulating water loop with the third three-way valve 50, the water pump 66, the twenty-third temperature sensor 51, the third flow meter 65, the fan coil 8, the twenty-fourth temperature sensor 52, the fourth three-way valve 49 and the shell-and-tube evaporator 7.
Compared with the prior art, the invention has the beneficial effects that: 1. the solar PV/T technology of the micro heat pipe photovoltaic photo-thermal integrated device realizes the maximum utilization of solar energy; 2. the direct current driving air conditioner and the heat pump technology effectively reduce the electric energy loss; 3. the time-sharing partition technology accurately uses energy to the personnel on the epidemic situation prevention and control line, so that the tent cost is effectively reduced, and the comfort level of epidemic prevention personnel is improved to the maximum extent. 4. The solar air-conditioning tent for epidemic situation prevention and control is accurately controlled in a regional mode through the air flow field and the temperature field in the solar air-conditioning tent.
Drawings
Fig. 1 is a system configuration diagram of an embodiment of the present patent, and fig. 2 is a schematic view of the external appearance of a tent of the present patent. Reference numerals and corresponding names: a solar PV/T heat collector 1, a heat collecting water tank 2, a shell-and-tube evaporator 3, a finned evaporator 4, a compressor 5, a four-way valve 6, a shell-and-tube condenser 7, a fan coil 8, a tent 9, a control inverter all-in-one machine 10, a first flowmeter 11, a first heat collecting pump 12, a first temperature sensor 13, a second temperature sensor 14, a third temperature sensor 15, a sixth temperature sensor 16, a voltage sensor 17, a current sensor 18, a fourth temperature sensor 19, an eighth temperature sensor 20, an exhaust valve 21, a pipeline 22, a pipeline 23, a ninth temperature sensor 24, a fifth temperature sensor 25, a seventh temperature sensor 26, a second three-way valve 27, a second flowmeter 28, a second heat collecting pump 29, a tenth temperature sensor 30, an eleventh temperature sensor 31, a first valve 32, a second power measuring instrument 33, a twentieth temperature sensor 34, a twenty-second temperature sensor 35, a first power measuring instrument 36, a second pressure sensor 37, a twelfth temperature sensor 38, a first pressure sensor 39, a fourth valve 40, a thirteenth temperature sensor 41, a twenty-first temperature sensor 42, a nineteenth temperature sensor 43, a sixth pressure sensor 44, an eighteenth temperature sensor 45, a fifth pressure sensor 46, a third valve 47, a fifteenth temperature sensor 48, a fourth three-way valve 49, a third three-way valve 50, a twenty-third temperature sensor 51, a twenty-fourth temperature sensor 52, a seventeenth temperature sensor 53, a fourth pressure sensor 54, a fourteenth temperature sensor 55, a second electronic expansion valve 56, a first electronic expansion valve 57, a second valve 58, a third pressure sensor 59, a sixteenth temperature sensor 60, a line 61, a first three-way valve 62, a battery pack 63, line 64, third flow meter 65, water pump 66.
Detailed Description
The invention provides a solar air-conditioning tent for both cooling and heating in order to solve the problem that a tent for epidemic prevention and control personnel to work and rest is stuffy in summer or frozen in winter. The system inputs solar energy and air energy, outputs hot water, cold water and electric energy, and can realize heating in a heating season and refrigeration in an air conditioning season. The system stores about 6% -20% of solar energy in an electric energy mode, stores 30% -67% of energy in a heat energy mode, and reduces fuel and power consumption to the maximum extent while heating and refrigerating the tent to a certain extent, so that the dependence on the traditional energy sources is reduced, and the purposes of energy conservation and emission reduction are further achieved.
The system realizes the maximum utilization of solar energy and the accurate control of the comfort level of the tent airflow field and the working area, and helps to ensure the physical and mental health of workers and reduce the risk of epidemic infection. Solar air conditioner tent system for epidemic situation prevention and control is mainly applicable to the hospital to and the district of the epidemic prevention tent that the community needs to settle, not only can be used for the heating of hospital, residential quarter monomer building or high-rise building, but also can give tent heating, refrigeration simultaneously, in addition, this tent system has quick assembly disassembly than the shelter hospital, the advantage of buildding fast.
As shown in fig. 1 and 2, the invention relates to a solar air-conditioning tent system for epidemic prevention and control, which comprises a solar PV/T heat collector 1, a pipeline 22 arranged at an outlet and connected with a heat collection water tank 2, wherein the outlet of the heat collection water tank 2 is connected with a pipeline 23, and the solar air-conditioning tent system is characterized in that a first heat collection pump 12, a first flow meter 11 and an integrated heat storage subsystem are arranged on the pipeline 23; a first three-way valve 62 is arranged at an outlet at the other end of the heat collection water tank 2 and is connected with the shell-type evaporator 3, the second heat collection pump 29, the second flowmeter 28 and the second three-way valve 27; the shell-and-tube evaporator 3 is provided with a first valve 32 at the outlet, connected with a compressor 5, a four-way valve 6, a shell-and-tube condenser 7, a second valve 58 and a first electronic expansion valve 57, and integrated with a water source heat pump subsystem; the compressor 5 is connected with the four-way valve 6, the shell-and-tube condenser 7 and the third valve 47, connected with the second electronic expansion valve 56, the finned evaporator 4 and the fourth valve 40, and integrated with an air source heat pump subsystem; the outlet of the shell-and-tube condenser 7 is connected with a third three-way valve 50, a water pump 66, a fan coil 8, a tent 9 and a fourth three-way valve 49, and a terminal tent subsystem is integrated; the fan coil 8 is arranged in the tent 9; in the photoelectric system, a solar PVT heat collector 1 is powered and connected with a control inversion all-in-one machine 10 through a circuit 61, and the control inversion all-in-one machine 10 is respectively connected with a tent 9 and a storage battery pack 63 to supply power to the tent 9 and a circuit 64; line 61 circumscribes voltage sensor 17 and current sensor 18.
As shown in fig. 1, a first temperature sensor 13 is arranged in a solar PV/T heat collector 1, a second temperature sensor 14 is arranged at an inlet, a third temperature sensor 15 is arranged at an outlet, a fourth temperature sensor 19 and a fifth temperature sensor 25 are arranged in a heat collecting water tank 2, an exhaust valve 21 is arranged at the top, the heat collecting water tank is externally connected with a water replenishing pipeline, a sixth temperature sensor 16 and a seventh temperature sensor 26 are arranged at an inlet, and an eighth temperature sensor 20 and a ninth temperature sensor 24 are arranged at an outlet.
As shown in fig. 1, the shell-and-tube evaporator 3 is provided with a tenth temperature sensor 30 at the inlet and an eleventh temperature sensor 31 at the outlet; the inlet of the compressor 5 is provided with a twelfth temperature sensor 38 and a first pressure sensor 39, the interior of the compressor is provided with a first power measuring instrument 36, and the outlet of the compressor is provided with a thirteenth temperature sensor 41 and a second pressure sensor 37.
As shown in fig. 1, a fourteenth temperature sensor 55 is arranged at the inlet of the shell-and-tube condenser 7, and a fifteenth temperature sensor 48 is arranged at the outlet; the sixteenth temperature sensor 60 and the third pressure sensor 59 are provided at the inlet of the first electronic expansion valve 57, and the seventeenth temperature sensor 53 and the fourth pressure sensor 54 are provided at the outlet thereof.
As shown in fig. 1, the eighteenth temperature sensor 45 and the fifth pressure sensor 46 are arranged at the inlet of the second electronic expansion valve 56, and the nineteenth temperature sensor 43 and the sixth pressure sensor 44 are arranged at the outlet; the finned evaporator 4 is internally provided with a second power measuring instrument 33 and a twentieth temperature sensor 34, the inlet is provided with a twenty-first temperature sensor 42, and the outlet is provided with a twenty-second temperature sensor 35.
As shown in fig. 1 and 2, the tent 9 is provided with a twenty-third temperature sensor 51 and a third flowmeter 65 in the inlet water supply pipe, and a twenty-fourth temperature sensor 52 in the outlet water return pipe.
As shown in fig. 1 and 2, the control method of the solar air-conditioning tent system for epidemic situation prevention and control of the present invention has the following operation modes:
(1) individual solar PV/T heating mode: when the sunlight is sufficient and the temperature in the tent is lower than the set temperature of 18 ℃, the heating mode is started by judging that the temperature of a fourth temperature sensor 19 in the heat collection water tank 2 is not lower than 40 ℃; working media in the solar PV/T heat collector 1 absorb solar energy, the working media are conveyed into the heat collection water tank 2 through a pipeline 22 and exchange heat with water, and the working media after heat exchange flow back to the solar PV/T heat collector 1 through a first heat collection pump 12 on a pipeline 23; an outlet of the heat collecting water tank 2 is connected with a third three-way valve 50 through a first three-way valve 62 and a pipeline 64, hot water is sent into a fan coil 8 through the third three-way valve 50 by a water pump 66, and hot air is sent into a tent 9 by the fan coil 8 for heating; the backwater flows back to the heat collecting water tank 2 through the fourth three-way valve 49 and the second three-way valve 27.
(2) Solar PV/T heat pump combined heating mode: when the sunlight is insufficient and the temperature in the tent is lower than the set temperature of 18 ℃, the requirement of independent solar PV/T heating cannot be met by judging that the temperature of 7 ℃ and the temperature of the fourth temperature sensor 19 in the heat collection water tank 2 are lower than 40 ℃, but the water temperature in the heat collection water tank 2 is higher and can be used as a low-temperature heat source of the shell-and-tube evaporator 3; the water in the heat collecting water tank 2 enters the shell-and-tube evaporator 3 through the first three-way valve 62 and exchanges heat with the working medium in the shell-and-tube evaporator, and the water after heat exchange flows back to the heat collecting water tank 2 through the second heat collecting pump 29, the second flowmeter 28 and the second three-way valve 27; the working medium which completes heat exchange in the shell-and-tube evaporator 3 enters the shell-and-tube condenser 7 through the first valve 32, the compressor 5 and the four-way valve 6, the working medium exchanges heat with water, the water which absorbs heat is sent to the fan coil 8 through the third three-way valve 50 by the water pump 66, and the fan coil 8 sends hot air to the tent 9 for heating.
The working medium after heat exchange in the shell-and-tube condenser 7 returns to the shell-and-tube evaporator 3 through the second valve 58 and the first electronic expansion valve 57; the hot water after heat exchange from the shell-and-tube condenser 7 is completed forms a circulating water loop with the third three-way valve 50, the water pump 66, the twenty-third temperature sensor 51, the third flow meter 65, the fan coil 8, the twenty-fourth temperature sensor 52, the fourth three-way valve 49 and the shell-and-tube condenser 7.
(3) Air source heat pump heating mode: when no sunlight exists and the temperature in the tent is lower than the set temperature of 18 ℃, the temperature of the fourth temperature sensor 19 in the heat collection water tank 2 is judged to be less than or equal to 7 ℃, namely the temperature of water in the heat collection water tank 2 is too low to be used as a low-temperature heat source of the shell-and-tube evaporator 3; air energy is input from the outside, the air exchanges heat with working media in the fin-type evaporator 4, the working media after heat exchange enters the shell-and-tube condenser 7 through the fourth valve 40, the compressor 5 and the four-way valve 6, the working media exchange heat with water, the water absorbing heat is sent to the fan coil 8 through the third three-way valve 50 by the water pump 66, and the fan coil 8 sends hot air to the tent 9 for heating.
The working medium after heat exchange in the shell-and-tube condenser 7 is returned to the finned evaporator 4 through the third valve 47 and the second electronic expansion valve 56; the hot water after heat exchange from the shell-and-tube condenser 7 forms a circulating water loop with the third three-way valve 50, the water pump 66, the twenty-third temperature sensor 51, the third flow meter 65, the fan coil 8, the twenty-fourth temperature sensor 52, the fourth three-way valve 49 and the shell-and-tube condenser 7.
(4) Air source heat pump cooling mode: when the temperature in the tent is higher than the refrigeration set temperature by 28 ℃, the shell-and-tube condenser 7 in the mode (3) can be used as a shell-and-tube evaporator at this time, the finned evaporator 4 can be used as a finned condenser, and the functions of the condenser and the evaporator are interchanged; the hot air in the tent 9 is input into the shell-and-tube evaporator 7, heat exchange is carried out between the hot air and the refrigerant in the shell-and-tube evaporator 7, the refrigerant after heat exchange enters the finned condenser 4 through the four-way valve 6 and the compressor 5 and then enters the shell-and-tube evaporator 7 through the second electronic expansion valve 56, the refrigerant exchanges heat with water, the refrigerant absorbs heat in the water, cold water is sent into the fan coil 8 through the third three-way valve 50 by the water pump 66, and cold air is sent into the tent 9 by the fan coil 8 for refrigeration.
The refrigerant after the heat exchange in the shell-and-tube evaporator 7 is completed circulates through a four-way valve 6, a compressor 5, a finned condenser 4, a second electronic expansion valve 56, a third valve 47 and a path of the shell-and-tube evaporator 7; the cold water after heat exchange from the shell-and-tube evaporator 7 is completed forms a circulating water loop with the third three-way valve 50, the water pump 66, the twenty-third temperature sensor 51, the third flow meter 65, the fan coil 8, the twenty-fourth temperature sensor 52, the fourth three-way valve 49 and the shell-and-tube evaporator 7.
As shown in FIG. 1, a first temperature sensor 13 is arranged inside the solar PV/T collector 1, the temperature of an inlet second temperature sensor 14 and the temperature of an outlet third temperature sensor 15 of the solar PV/T collector 1 are measured, the temperature difference between the two is used as a control signal, and the first heat collecting pump 12 is started and stopped by adopting a temperature difference control mode in a heat collecting cycle.
As shown in fig. 1 and 2, when solar radiation irradiates the surface of the solar PVT heat collector 1, the working medium in the solar PVT heat collector 1 transfers heat to the heat collecting water tank 2 to raise the temperature of water in the water tank. If the water temperature in the heat collecting water tank 2 reaches the heating temperature of 40 ℃, the tent 9 can be directly heated through the fan coil 8; if the water temperature in the heat collection water tank 2 does not reach the heating temperature of 40 ℃, taking the hot water in the heat collection water tank 2 as a low-temperature heat source of a shell-and-tube evaporator 3, a compressor 5, a shell-and-tube condenser 7 and a first electronic expansion valve 57 of the heat pump subsystem, increasing the water temperature again through the operation of the heat pump subsystem, and heating the tent 9 through a fan coil 8; if the weather is not irradiated by the sun, the air energy is input from the outside, the finned evaporator 4, the compressor 5, the shell-and-tube condenser 7 and the second electronic expansion valve 56 of the air source heat pump subsystem are started to perform heating, and the tent 9 is heated through the fan coil 8. When refrigeration is needed in summer, the working medium flows in the direction completely opposite to that of the air source heat pump subsystem by means of the fan coil 8 to perform refrigeration.
The above description is only a preferred embodiment of the present invention, and it should be noted that several equivalents and modifications may be made without departing from the control method of the present invention, and these equivalents and modifications should also be included in the protection scope of the present invention.
Claims (7)
1. The solar air-conditioning tent system for epidemic prevention and control comprises a solar PV/T heat collector (1), a pipeline (22) is arranged at an outlet and connected with a heat collection water tank (2), the outlet of the heat collection water tank (2) is connected with a pipeline (23), and the solar air-conditioning tent system is characterized in that a first heat collection pump (12) and a first flow meter (11) are arranged on the pipeline (23) and integrated with a heat storage subsystem; a first three-way valve (62) is arranged at an outlet at the other end of the heat collection water tank (2), and is connected with the shell-and-tube evaporator (3), a second heat collection pump (29), a second flowmeter (28) and a second three-way valve (27); a shell-and-tube evaporator (3), wherein the outlet of the shell-and-tube evaporator is provided with a first valve (32) which is connected with a compressor (5), a four-way valve (6), a shell-and-tube condenser (7), a second valve (58), a first electronic expansion valve (57) and an integrated water source heat pump subsystem; the compressor (5) is connected with the four-way valve (6), the shell-and-tube condenser (7) and the third valve (47), is connected with the second electronic expansion valve (56), the finned evaporator (4) and the fourth valve (40), and integrates an air source heat pump subsystem; a shell-and-tube condenser (7), the outlet of which is connected with a third three-way valve (50), a water pump (66), a fan coil (8), a tent (9) and a fourth three-way valve (49), and the integrated terminal tent subsystem; the fan coil (8) is arranged in the tent (9); in the photoelectric system, a solar PVT heat collector (1) supplies power and is connected with a control inversion all-in-one machine (10) through a circuit (61), and the control inversion all-in-one machine (10) is respectively connected with a tent (9) and a storage battery pack (63) to supply power to the tent (9) and a circuit (64); the line (61) is externally connected with a voltage sensor (17) and a current sensor (18).
2. The solar air-conditioning tent system for epidemic prevention and control according to claim 1, characterized in that: the solar PV/T heat collector (1) is internally provided with a first temperature sensor (13), an inlet is provided with a second temperature sensor (14), an outlet is provided with a third temperature sensor (15), a heat collection water tank (2) is internally provided with a fourth temperature sensor (19) and a fifth temperature sensor (25), the top is provided with an exhaust valve (21), an external water replenishing pipeline is arranged at the inlet of the heat collection water tank and is provided with a sixth temperature sensor (16) and a seventh temperature sensor (26), and an outlet of the heat collection water tank is provided with an eighth temperature sensor (20) and a ninth temperature sensor (24).
3. The solar air-conditioning tent system for epidemic prevention and control according to claim 1, wherein: a tenth temperature sensor (30) is arranged at the inlet of the shell-and-tube evaporator (3), and an eleventh temperature sensor (31) is arranged at the outlet of the shell-and-tube evaporator; the inlet of the compressor (5) is provided with a twelfth temperature sensor (38) and a first pressure sensor (39), the interior of the compressor is provided with a first power measuring instrument (36), and the outlet of the compressor is provided with a thirteenth temperature sensor (41) and a second pressure sensor (37).
4. The solar air-conditioning tent system for epidemic prevention and control according to claim 1, characterized in that: a fourteenth temperature sensor (55) is arranged at the inlet of the shell-and-tube condenser (7), and a fifteenth temperature sensor (48) is arranged at the outlet of the shell-and-tube condenser; the inlet of the first electronic expansion valve (57) is provided with a sixteenth temperature sensor (60) and a third pressure sensor (59), and the outlet is provided with a seventeenth temperature sensor (53) and a fourth pressure sensor (54).
5. The solar air-conditioning tent system for epidemic prevention and control according to claim 1, characterized in that: an inlet of the second electronic expansion valve (56) is provided with an eighteenth temperature sensor (45) and a fifth pressure sensor (46), and an outlet of the second electronic expansion valve is provided with a nineteenth temperature sensor (43) and a sixth pressure sensor (44); a second power measuring instrument (33) and a twentieth temperature sensor (34) are arranged in the finned evaporator (4), a twenty-first temperature sensor (42) is arranged at an inlet, and a twenty-second temperature sensor (35) is arranged at an outlet.
6. The solar air-conditioning tent system for epidemic prevention and control according to claim 1, wherein: and a water supply pipeline at an inlet of the tent (9) is provided with a twenty-third temperature sensor (51) and a third flow meter (65), and a water return pipeline at an outlet is provided with a twenty-fourth temperature sensor (52).
7. The control method of the solar air-conditioning tent system for epidemic prevention and control as claimed in claim 1, wherein the operation mode is:
(1) individual solar PV/T heating mode: when the sunlight is sufficient and the temperature in the tent is lower than the set temperature of 18 ℃, the heating mode is started by judging that the temperature of a fourth temperature sensor (19) in the heat collection water tank (2) is higher than or equal to 40 ℃; working media in the solar PV/T heat collector (1) absorb solar energy, the working media are conveyed into the heat collection water tank (2) through the pipeline (22) and exchange heat with water, and the working media after heat exchange flow back to the solar PV/T heat collector (1) through the first heat collection pump (12) on the pipeline (23); an outlet of the heat collection water tank (2) is connected with a third three-way valve (50) through a pipeline (64) through a first three-way valve (62), hot water is fed into a fan coil (8) through the third three-way valve (50) by a water pump (66), and the fan coil (8) sends hot air into a tent (9) for heating; the return water flows back to the heat collection water tank (2) through a fourth three-way valve (49) and a second three-way valve (27);
(2) solar PV/T heat pump combined heating mode: when the sunlight is insufficient and the temperature in the tent is lower than the set temperature of 18 ℃, the requirement of single solar PV/T heating cannot be met by judging that the temperature of 7 ℃ and the temperature of a fourth temperature sensor (19) in the heat collection water tank (2) is lower than 40 ℃, but the temperature of water in the heat collection water tank (2) is higher and can be used as a low-temperature heat source of the shell-and-tube evaporator (3); water in the heat collection water tank (2) enters the shell-and-tube evaporator (3) through the first three-way valve (62) and exchanges heat with a working medium in the shell-and-tube evaporator, and the water after heat exchange flows back to the heat collection water tank (2) through the second heat collection pump (29), the second flowmeter (28) and the second three-way valve (27); working media which are subjected to heat exchange in the shell-and-tube evaporator (3) enter a shell-and-tube condenser (7) through a first valve (32), a compressor (5) and a four-way valve (6), the working media exchange heat with water, the water which absorbs heat is sent into a fan coil (8) through a third three-way valve (50) by a water pump (66), and the fan coil (8) sends hot air into a tent (9) for heating;
the working medium after the heat exchange in the shell-and-tube condenser (7) is finished flows back to the shell-and-tube evaporator (3) through the second valve (58) and the first electronic expansion valve (57); the hot water after heat exchange from the shell-and-tube condenser (7) is completed forms a circulating water loop with a third three-way valve (50), a water pump (66), a twenty-third temperature sensor (51), a third flow meter (65), a fan coil (8), a twenty-fourth temperature sensor (52), a fourth three-way valve (49) and the shell-and-tube condenser (7);
(3) air source heat pump heating mode: when no sunlight exists and the temperature in the tent is lower than the set temperature of 18 ℃, the temperature of a fourth temperature sensor (19) in the heat collection water tank (2) is judged to be less than or equal to 7 ℃, namely the temperature of water in the heat collection water tank (2) is too low to be used as a low-temperature heat source of the shell-and-tube evaporator (3); air energy is input from the outside, the air exchanges heat with working media in the fin evaporator (4), the working media after heat exchange enters a shell-and-tube condenser (7) through a fourth valve (40), a compressor (5) and a four-way valve (6), the working media exchange heat with water, the water absorbing heat is sent into a fan coil (8) by a water pump (66) through a third three-way valve (50), and the fan coil (8) sends hot air into a tent (9) for heating;
the working medium after heat exchange in the shell-and-tube condenser (7) is returned to the finned evaporator (4) through a third valve (47) and a second electronic expansion valve (56); the hot water after heat exchange from the shell-and-tube condenser (7) is completed forms a circulating water loop with a third three-way valve (50), a water pump (66), a twenty-third temperature sensor (51), a third flow meter (65), a fan coil (8), a twenty-fourth temperature sensor (52), a fourth three-way valve (49) and the shell-and-tube condenser (7);
(4) air source heat pump cooling mode: when the temperature in the tent is 28 ℃ higher than the refrigeration set temperature, the shell-and-tube condenser (7) in the mode (3) can be used as a shell-and-tube evaporator at the moment, the finned evaporator (4) can be used as a finned condenser, and the functions of the condenser and the evaporator are interchanged; hot air in the tent (9) is input into a shell-and-tube evaporator (7) and exchanges heat with a refrigerant in the shell-and-tube evaporator, the refrigerant which finishes the heat exchange enters a finned condenser (4) through a four-way valve (6) and a compressor (5), and then enters the shell-and-tube evaporator (7) through a second electronic expansion valve (56), the refrigerant exchanges heat with water, the refrigerant absorbs heat in the water, cold water is sent into a fan coil (8) through a third three-way valve (50) by a water pump (66), and cold air is sent into the tent (9) by the fan coil (8) for refrigeration;
the refrigerant after the heat exchange in the shell-and-tube evaporator (7) is completed is circulated through a four-way valve (6), a compressor (5), a finned condenser (4), a second electronic expansion valve (56), a third valve (47) and the shell-and-tube evaporator (7) path; and cold water after heat exchange from the shell-and-tube evaporator (7) is finished forms a circulating water loop with the third three-way valve (50), the water pump (66), the twenty-third temperature sensor (51), the third flow meter (65), the fan coil (8), the twenty-fourth temperature sensor (52), the fourth three-way valve (49) and the shell-and-tube evaporator (7).
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| CN202210696629.9A CN115077109A (en) | 2022-06-20 | 2022-06-20 | Solar air-conditioning tent system for epidemic prevention and control method |
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| CN115247909A (en) * | 2022-01-20 | 2022-10-28 | 衢州学院 | Solar heat pump equipment capable of adaptively adjusting working mode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101413357A (en) * | 2008-09-27 | 2009-04-22 | 哈尔滨工程大学 | Solar tent |
| CN107947642A (en) * | 2018-01-10 | 2018-04-20 | 华北电力大学 | A kind of heat-pipe type concentrating photovoltaic photo-thermal thermo-electric generation integral system |
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