CN110966696A - Refrigerant radiation wall integrated air conditioning system with solar jet function and air conditioner - Google Patents

Refrigerant radiation wall integrated air conditioning system with solar jet function and air conditioner Download PDF

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Publication number
CN110966696A
CN110966696A CN201910954763.2A CN201910954763A CN110966696A CN 110966696 A CN110966696 A CN 110966696A CN 201910954763 A CN201910954763 A CN 201910954763A CN 110966696 A CN110966696 A CN 110966696A
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China
Prior art keywords
refrigerant
pipeline
communicated
solar
control valve
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CN201910954763.2A
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Chinese (zh)
Inventor
谢文利
黄玉优
王子平
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201910954763.2A priority Critical patent/CN110966696A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089Systems using radiation from walls or panels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy

Abstract

The application relates to a take refrigerant radiation wall integration air conditioning system that solar energy sprays includes: a compression heat exchange system of a circulation flow path is formed by a compressor, a four-way valve, an outdoor heat exchanger, a liquid reservoir, a throttling device, an indoor heat exchange device, a four-way valve and a gas-liquid separator; the ejector is communicated with a pipeline between the outdoor heat exchanger and the four-way valve; the ejector is communicated with a pipeline between the compressor and the four-way valve; the solar heat collecting system is communicated with the ejector; the solar heat collecting system is communicated with a pipeline between the liquid storage device and the indoor heat exchange device; the valve control system is arranged on a pipeline among the compression heat exchange system, the ejector and the solar heat collection system and is used for controlling the ejector and the solar heat collection system to operate or stop. The refrigerant radiation wall integrated air conditioning system with the solar jet function has the advantages of energy conservation, high comprehensive energy utilization rate and low cost; an air conditioner with the refrigerant radiation wall integrated air conditioning system is also provided.

Description

Refrigerant radiation wall integrated air conditioning system with solar jet function and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a refrigerant radiation wall integrated air conditioning system with solar energy injection; still relate to the air conditioner that has this refrigerant radiation wall integration air conditioning system who takes solar energy to spray.
Background
With the further increase of energy crisis, solar energy utilization has become a focus of attention. The existing solar energy injection and compressor mixing system is more and more popular in the air conditioning field due to simple structure and low cost; however, solar energy is large in climate change, extremely unstable and incapable of meeting user requirements, and the existing solar energy injection and compressor mixing system is low in efficiency and difficult to realize integration.
Patent No. 201521060902.0 discloses a solar phase-change and sensible heat combined type heat storage wall and a heating system thereof. However, the system does not solve the problem of refrigeration of users, so that the users use one set of equipment, and the equipment and the installation cost thereof are increased; the medium that this radiation wall walked is water, belongs to the secondary heat transfer, has increased whole heating air conditioning system energy consumption, has increased energy loss, has increased water treatment facilities etc. energy consumption and cost increase.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, provides an energy-saving and high-energy comprehensive utilization rate and low-cost refrigerant radiation wall integrated air conditioning system with solar energy injection, and also provides an air conditioner with the refrigerant radiation wall integrated air conditioning system with the solar energy injection.
In order to achieve the purpose, the invention adopts the following scheme:
take refrigerant radiation wall integration air conditioning system of solar energy injection includes:
the compression heat exchange system comprises a compressor, a four-way valve, an outdoor heat exchanger, a liquid reservoir, a throttling device, an indoor heat exchange device and a gas-liquid separator; the compressor, the four-way valve, the outdoor heat exchanger, the liquid reservoir, the throttling device, the indoor heat exchange device, the four-way valve and the gas-liquid separator form a circulating flow path;
the ejector is communicated with a pipeline between the outdoor heat exchanger and the four-way valve; the ejector is communicated with a pipeline between the compressor and the four-way valve;
a solar energy collection system in communication with the ejector; the solar heat collection system is communicated with a pipeline between the liquid reservoir and the indoor heat exchange device;
and the valve control system is arranged on a pipeline among the compression heat exchange system, the ejector and the solar heat collection system and is used for controlling the ejector and the solar heat collection system to operate or stop.
In this embodiment, the solar heat collection system comprises a pump body and a solar heat collector; the refrigerant inflow end of the pump body is communicated with a pipeline between the liquid receiver and the indoor heat exchange device; the refrigerant outflow end of the pump body is communicated with the refrigerant inflow end of the solar heat collector; and the refrigerant outflow end of the solar heat collector is communicated with the refrigerant inflow end of the ejector.
Further, the valve control system comprises a first control valve, a second control valve, a third control valve, a fourth control valve, a fifth control valve and a sixth control valve; wherein the content of the first and second substances,
the first control valve is communicated with a pipeline between the compressor and the four-way valve;
the ejector is communicated with a pipeline between the compressor and the first control valve through a first refrigerant pipeline; the second control valve is positioned on the first refrigerant pipeline;
the refrigerant outflow end of the ejector is communicated with a pipeline between the outdoor heat exchanger and the four-way valve through a second refrigerant pipeline; the third control valve is positioned on the second refrigerant pipeline;
the refrigerant inflow end of the pump body is communicated with a pipeline between the liquid receiver and the indoor heat exchange device through a third refrigerant pipeline; the fourth control valve is positioned on the third refrigerant pipeline;
the fifth control valve is communicated with a pipeline between the pump body and the solar heat collector;
the sixth control valve is communicated with a pipeline between the solar heat collector and the ejector.
Further, the indoor heat exchange device comprises an indoor heat exchanger and a radiation wall panel heat exchange device; the refrigerant outflow end of the liquid receiver is communicated with the refrigerant inflow end of the indoor heat exchanger through a fourth refrigerant pipeline; the refrigerant outflow end of the indoor heat exchanger is communicated with the refrigerant inflow end of the ejector through a fifth refrigerant pipeline; the refrigerant inflow end of the radiation wall panel heat exchange device is communicated with the fourth refrigerant pipeline through a sixth refrigerant pipeline; and the refrigerant outflow end of the radiation wall panel heat exchange device is communicated with the fifth refrigerant pipeline through a seventh refrigerant pipeline.
Further, the throttling device comprises a first throttling device and a second throttling device; the first throttling device is communicated with the fourth refrigerant pipeline; the second throttling device is communicated with the sixth refrigerant pipeline.
Furthermore, the radiation wall panel heat exchange device comprises a radiation plate, fins, a heat insulation layer, an outer shell and a capillary mat; the radiation plate, the fins and the heat insulation layer form an air duct; the capillary mat is positioned in the air duct and close to one side of the radiation plate; the refrigerant inflow end of the capillary mat is communicated with the sixth refrigerant pipeline; the refrigerant outflow end of the capillary mat is communicated with the seventh refrigerant pipeline; the outer shell is positioned on the outer side of the heat insulation layer.
Further, the fins are fins made of copper; the capillary mat is made of copper.
Further, the air duct comprises an air inlet and an air outlet; the air inlet is provided with a fan positioned in the air duct.
Further, the first control valve, the second control valve, the third control valve, the fourth control valve, the fifth control valve and the sixth control valve are solenoid valves.
The air conditioner comprises the refrigerant radiation wall integrated air conditioning system with the solar jet function.
Compared with the prior art, the invention has the following advantages:
the refrigerant radiation wall integrated air conditioning system with solar energy injection effectively controls the operation or stop of the ejector and the solar energy heat collection system by reasonably integrating the compression heat exchange system, the ejector and the solar energy heat collection system into a whole and arranging the valve control system on the pipelines of the compression heat exchange system, the ejector and the solar energy heat collection system; when the solar energy is insufficient, the compression heat exchange system can be pressed to operate, so that the performance coefficient of the compression heat exchange system is higher than that of the conventional auxiliary energy jet refrigeration system; the solar-jet refrigerant radiation wall integrated air conditioning system improves the comprehensive utilization rate of energy sources under all-weather conditions, and achieves the dual purposes of saving energy and reducing cost.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a schematic diagram of the refrigerant radiant wall integrated air conditioning system with solar energy injection according to the present invention.
Fig. 2 is a schematic structural diagram of a radiant wall panel heat exchange device of the refrigerant radiant wall integrated air conditioning system with solar injection.
Fig. 3 is a schematic diagram of the refrigerant radiant wall integrated air conditioning system with solar energy injection according to the present invention in a cooling mode and when the solar radiation is sufficient.
Fig. 4 is a schematic diagram of the refrigerant radiant wall integrated air conditioning system with solar energy injection of the present invention in a cooling mode and when solar radiation is insufficient or in a heating mode.
The figure includes:
the solar heat collector comprises a compressor 11, a four-way valve 12, an outdoor heat exchanger 13, a liquid receiver 14, a throttling device 15, a first throttling device 151, a second throttling device 152, an indoor heat exchange device 16, a gas-liquid separator 17, an ejector 18, a solar heat collecting system 2, a pump body 21, a solar heat collector 22, a valve control system 3, a first control valve 31, a second control valve 32, a third control valve 33, a fourth control valve 34, a fifth control valve 35, a sixth control valve 36, a first refrigerant pipeline 41, a second refrigerant pipeline 42, a third refrigerant pipeline 43, a fourth refrigerant pipeline 44, a fifth refrigerant pipeline 45, a sixth refrigerant pipeline 46, a seventh refrigerant pipeline 47, an indoor heat exchanger 5, a radiation wall panel heat exchange device 6, a radiation plate 61, a fin 62, a heat insulation layer 63, an air duct outer shell 64, a capillary mat 661, 66, an air inlet and an air outlet 662.
Detailed Description
The present application is further described in conjunction with the following examples.
Referring to fig. 1 to 4, the refrigerant radiation wall integrated air conditioning system with solar energy injection comprises a compression heat exchange system, an ejector 18, a solar heat collection system 2 and a valve control system 3. The compression heat exchange system comprises a compressor 11, a four-way valve 12, an outdoor heat exchanger 13, a liquid receiver 14, a throttling device 15, an indoor heat exchange device 16 and a gas-liquid separator 17; the compressor 11, the four-way valve 12, the outdoor heat exchanger 13, the liquid receiver 14, the throttling device 15, the indoor heat exchange device 16, the four-way valve 12 and the gas-liquid separator 17 form a circulating flow path; an ejector 18 communicating with a line between the outdoor heat exchanger 13 and the four-way valve 12; the ejector 18 is communicated with a pipeline between the compressor 11 and the four-way valve 12; specifically, the refrigerant outflow end of the ejector 18 is communicated with a pipeline between the outdoor heat exchanger 13 and the four-way valve 12; the refrigerant inflow end of the ejector 18 is communicated with a pipeline between the compressor 11 and the four-way valve 12; a solar energy collection system 2 in communication with the ejector 18; the solar heat collection system 2 is communicated with a pipeline between the liquid reservoir 14 and the indoor heat exchange device 16; specifically, the refrigerant outflow end of the solar heat collecting system 2 is communicated with the refrigerant inflow end of the ejector 18; the refrigerant inflow end of the solar heat collection system 2 is communicated with a pipeline between the liquid reservoir 14 and the indoor heat exchange device 16; the valve control system 3 is arranged on a pipeline among the compression heat exchange system, the ejector 18 and the solar heat collection system 2 and is used for controlling the ejector 18 and the solar heat collection system 2 to operate or stop.
The refrigerant radiation wall integrated air conditioning system with the solar jet function reasonably integrates the compression heat exchange system, the ejector 18 and the solar heat collection system 2 into a whole, and is arranged on a pipeline of the compression heat exchange system, the ejector 18 and the solar heat collection system 2 through the valve control system 3, so that the ejector 18 and the solar heat collection system 2 are effectively controlled to operate or stop; when the solar energy is insufficient, the compression heat exchange system can be pressed to operate, so that the performance coefficient of the compression heat exchange system is higher than that of the conventional auxiliary energy jet refrigeration system; the solar-jet refrigerant radiation wall integrated air conditioning system improves the comprehensive utilization rate of energy sources under all-weather conditions, and achieves the dual purposes of saving energy and reducing cost.
Compared with the existing solar jet refrigeration system: the refrigerant radiation wall integrated air conditioning system with solar jet has a larger compression ratio, the compression ratio is increased, and the air conditioning system can work at a higher condensation temperature; meanwhile, the performance coefficient of the refrigerant radiation wall integrated air conditioning system with the solar jet is better, and the required area of the solar heat collector 22 is reduced by about 30 percent under the same refrigerating capacity; the comprehensive utilization efficiency of energy is higher.
Compared with the prior compression refrigeration system: under the same rotating speed and working condition, the refrigerant radiation wall integrated air conditioning system with solar energy injection has higher performance coefficient; when the condensation temperature is 41.8 ℃, the performance coefficient is about 1.1 times that of the existing compression refrigeration system.
In contrast to existing pressurized injection systems: when the solar radiation is sufficient, the refrigerant radiation wall integrated air conditioning system with the solar jet has better coincidence with the load requirement of a user; when solar radiation is insufficient, the compression heat exchange system is operated in a pressing mode, so that the performance coefficient of the compression heat exchange system is higher than that of the conventional auxiliary energy injection refrigeration system; the solar-jet refrigerant radiation wall integrated air conditioning system improves the comprehensive utilization rate of energy sources under all-weather conditions, and achieves the dual purposes of saving energy and reducing cost.
In the present embodiment, the indoor heat exchange device 16 includes an indoor heat exchanger 5 and a radiant wall panel heat exchange device 6; the refrigerant outflow end of the liquid receiver 14 is communicated with the refrigerant inflow end of the indoor heat exchanger 5 through a fourth refrigerant pipeline 44; the refrigerant outflow end of the indoor heat exchanger 5 is communicated with the refrigerant inflow end of the ejector 18 through a fifth refrigerant pipeline 45; the refrigerant inflow end of the radiation wall panel heat exchange device 6 is communicated with the fourth refrigerant pipeline 44 through a sixth refrigerant pipeline 46; the refrigerant outflow end of the radiation wall panel heat exchanger 6 is communicated with the fifth refrigerant pipeline 45 through a seventh refrigerant pipeline 47. The indoor heat exchanger 5 is a common indoor machine and is completely forced to blow air for heat exchange; the radiation wall panel heat exchange device 6 is a composite heat transfer form of forced convection and radiation, and can adjust the proportion of radiation and convection heat exchange by adjusting the air quantity, thereby achieving the effects of energy saving and comfort under the condition of meeting the user load.
When the indoor humidity is high and no fresh air system capable of bearing latent heat and humidity loads exists, the indoor heat exchanger 5 is used as the indoor heat exchange device 16 for providing cold energy for the indoor during refrigeration in summer, and the radiation wall panel heat exchange device 6 is used as the indoor heat exchange device 16 for providing heat for the indoor in winter.
When no humidity load exists indoors or a fresh air system capable of bearing latent heat and humidity load exists, the radiation wall panel heat exchange device 6 is adopted as the indoor heat exchange device 16 for providing cold energy indoors during refrigeration in summer, the cold energy supply efficiency is high, the energy-saving effect is good, and the radiation wall panel heat exchange device 6 is adopted as the indoor heat exchange device 16 for providing heat indoors in winter.
In summary, the indoor side preferably considers the radiation wall panel heat exchange device 6 as the radiation wall panel end mode for cooling or heating.
Wherein the throttling device 15 comprises a first throttling device 151 and a second throttling device 152; the first throttling device 151 is communicated with the fourth refrigerant pipeline 44; the second throttling device 152 is communicated with the sixth refrigerant pipeline 46. The first throttling device 151 and the second throttling device 152 can effectively control the flow of the refrigerant for the indoor heat exchanger 5 and the radiation wall panel heat exchange device 6, and the device is simple in structure, low in cost and good in adjusting effect.
Specifically, the radiation wall panel heat exchange device 6 comprises a radiation plate 61, fins 62, a heat insulation layer 63, an outer shell 64 and a capillary mat 65; the radiation plates 61, the fins 62 and the heat-insulating layer 63 form an air duct 66; the capillary mat 65 is positioned in the air duct 66 and close to one side of the radiation plate 61; the refrigerant inflow end of the capillary mat 65 is communicated with the sixth refrigerant pipeline 46; the refrigerant outflow end of the capillary mat 65 is communicated with the seventh refrigerant pipeline 47; the outer shell 64 is located outside the insulation layer 63. The outer shell 64 is made of a plastic sheet, which provides good protection for the insulation layer 63. The heat insulation layer 63 prevents energy loss when the indoor air exchanges heat with the refrigerant in the capillary mat 65. The radiation plate 61, the fins 62 and the heat insulation layer 63 are combined to form the air duct 66, the air duct 66 and the capillary mat 65 are used for heating or refrigerating, and after indoor air passes through the air duct 66, the purpose of heat radiation heating or cold radiation refrigerating to the indoor environment is achieved. Preferably, the fins 62 are fins 62 made of copper; the capillary mat 65 is a capillary mat 65 made of copper. The fins 62 and the capillary mat 65 are both made of copper material, so that the fins 62 and the capillary mat 65 have good strength and hardness, and good heat transfer performance.
The air duct 66 comprises an air inlet 661 and an air outlet 662; and a fan positioned in the air duct 66 is arranged at the air inlet 661. The fan is arranged at the air inlet 661, so that the indoor air passes through the air duct 66 and exchanges heat with the refrigerant in the capillary mat 65, and the purpose of heat radiation heating or cold radiation refrigeration of the indoor environment is achieved.
In the present embodiment, the solar heat collection system 2 includes a pump body 21 and a solar heat collector 22; the refrigerant inflow end of the pump body 21 is communicated with a pipeline between the liquid receiver 14 and the indoor heat exchange device 16; the refrigerant outflow end of the pump body 21 is communicated with the refrigerant inflow end of the solar heat collector 22; the coolant outflow end of the solar collector 22 is communicated with the coolant inflow end of the ejector 18. After the refrigerant forms a liquid refrigerant in the liquid receiver 14 and flows out from the refrigerant outflow end of the liquid receiver 14, part of the liquid refrigerant is quickly drained to enter the solar heat collector 22 under the action of the pump body 21, the solar heat collector 22 converts the obtained solar radiation energy into heat energy and transmits the heat energy to the liquid refrigerant, and the liquid refrigerant absorbs heat and is vaporized to generate a high-pressure steam refrigerant.
The valve control system 3 includes a first control valve 31, a second control valve 32, a third control valve 33, a fourth control valve 34, a fifth control valve 35, and a sixth control valve 36; wherein, the first control valve 31 is communicated with a pipeline between the compressor 11 and the four-way valve 12; the ejector 18 is communicated with a pipeline between the compressor 11 and the first control valve 31 through a first refrigerant pipeline 41; the second control valve 32 is located on the first refrigerant pipeline 41; the refrigerant outflow end of the ejector 18 is communicated with a pipeline between the outdoor heat exchanger 13 and the four-way valve 12 through a second refrigerant pipeline 42; the third control valve 33 is located on the second refrigerant pipeline 42; the refrigerant inflow end of the pump body 21 is communicated with the pipeline between the liquid receiver 14 and the indoor heat exchange device 16 through a third refrigerant pipeline 43; the fourth control valve 34 is located on the third refrigerant pipeline 43; the fifth control valve 35 is communicated with a pipeline between the pump body 21 and the solar heat collector 22; the sixth control valve 36 is connected in line between the solar collector 22 and the ejector 18. The positions of the first control valve 31, the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35 and the sixth control valve 36 are set to control the first control valve 31, the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35 and the sixth control valve 36 to be opened or closed, so that the ejector 18 and the solar heat collection system 2 are effectively controlled to operate or stop, and in a refrigeration mode, under the control of the valve control system 3, when solar energy is sufficient, the compression heat exchange system, the ejector 18 and the solar heat collection system 2 are controlled to operate in a combined manner, so that the thermal coefficient of the refrigerant radiation wall integrated air conditioning system with solar energy ejection is higher than that of the existing solar energy ejection system, and the area and the investment cost of the heat collector are reduced; when the solar energy is insufficient, the compression heat exchange system can be pressed to operate, so that the performance coefficient of the compression heat exchange system is higher than that of the conventional auxiliary energy jet refrigeration system; the solar-jet refrigerant radiation wall integrated air conditioning system improves the comprehensive utilization rate of energy sources under all-weather conditions, and achieves the dual purposes of saving energy and reducing cost. Of course, during heating, by controlling the first control valve 31, the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35 and the sixth control valve 36 to be opened or closed, heat can be effectively supplied to the user. The first control valve 31, the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35 and the sixth control valve 36 are solenoid valves. The operation or stop of the ejector 18 and the solar heat collecting system 2 is realized through the electromagnetic valve, and the control precision and the flexibility are high.
Specifically, this take refrigerant radiation wall integration air conditioning system of solar energy injection when the refrigeration mode:
where solar radiation is sufficient, typically in summer, as shown in figure 3,
in the cooling mode, the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35, and the sixth control valve 36 are opened; closing the first control valve 31;
the refrigerant radiation wall integrated air conditioning system with the solar energy injection, which is composed of the compressor 11, the four-way valve 12, the ejector 18, the outdoor heat exchanger 13, the pump body 21, the solar heat collector 22, the liquid receiver 14, the first throttling device 151, the second throttling device 152, the indoor heat exchanger 5 and the radiation wall panel heat exchange device 6, is started, and the rotating speed of the compressor 11 can be changed to meet the cold load of a user.
The solar heat collector 22 converts the obtained solar radiation energy into heat energy and transmits the heat energy to a liquid refrigerant, the liquid refrigerant absorbs heat and then vaporizes to generate high-pressure steam, the high-pressure steam enters the ejector 18 through the sixth control valve 36, meanwhile, the ejector 18 sucks the low-pressure steam refrigerant which comes out of the compressor 11 and passes through the second control valve, and the low-pressure steam refrigerant is subjected to preliminary pressure rise to further raise the pressure of the low-pressure steam refrigerant to form the high-pressure steam refrigerant. The high pressure vapor refrigerant of the ejector 18 passes through the third control valve 33, enters the outdoor heat exchanger 13, is condensed into a saturated liquid refrigerant, and then enters the receiver 14. During injection refrigeration, the liquid refrigerant from the liquid reservoir 14 is divided into two branches, one branch enters the indoor heat exchanger 5 and the radiation wall panel heat exchange device 6 after passing through the first throttling device 151 and the second throttling device 152, and the other branch is conveyed to the solar heat collector 22 through the fifth control valve 35, the pump body 21 and the sixth control valve 36 to generate a high-pressure vapor refrigerant. After the liquid refrigerants respectively entering the indoor heat exchanger 5 and the radiation wall panel heat exchange device 6 are evaporated and absorb heat, the liquid refrigerants pass through the four-way valve 12, the gas-liquid separator 17 and then enter the compressor 11, are moderately pressurized in the compressor 11, improve the pressure of refrigerant fluid, improve the performance of an injection system, and then pass through the second control valve and enter the ejector 18 through low-pressure steam refrigerants subjected to preliminary pressure boosting.
When the solar radiation is insufficient, as in figure 4,
in the cooling mode, the first control valve 31 is opened, and the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35, and the sixth control valve 36 are closed;
starting a compression heat exchange system consisting of a compressor 11, a four-way valve 12, an ejector 18, an outdoor heat exchanger 13, a liquid receiver 14, a first throttling device 151, a second throttling device 152, an indoor heat exchanger 5 and a radiation wall panel heat exchange device 6. The operation mode of the compression heat exchange system is specifically as follows,
after being compressed by the compressor 11, the refrigerant passes through the first control valve 31, then passes through the four-way valve 12, then enters the outdoor heat exchanger 13 for condensation, then passes through the liquid receiver 14, then enters the indoor heat exchanger 5 and the radiation wall panel heat exchange device 6 through the first throttling device 151 and the second throttling device 152 respectively for heat exchange and indoor refrigeration, enters the gas-liquid separator 17 through the four-way valve 12, is sucked by a suction port of the compressor 11, is compressed by the compressor 11, and then participates in the next circulation.
In the heating mode:
as shown in fig. 4, in the cooling mode, the first control valve 31 is opened, and the second control valve 32, the third control valve 33, the fourth control valve 34, the fifth control valve 35, and the sixth control valve 36 are closed;
starting a compression heat exchange system consisting of a compressor 11, a four-way valve 12, an ejector 18, an outdoor heat exchanger 13, a liquid receiver 14, a first throttling device 151, a second throttling device 152, an indoor heat exchanger 5 and a radiation wall panel heat exchange device 6. The operation mode of the compression heat exchange system is specifically as follows,
after being compressed by the compressor 11, the refrigerant passes through the first control valve 31, then passes through the four-way valve 12, then enters the outdoor heat exchanger 13 for condensation, then passes through the liquid receiver 14, then enters the indoor heat exchanger 5 and the radiation wall panel heat exchange device 6 through the first throttling device 151 and the second throttling device 152 respectively for heat exchange and indoor refrigeration, enters the gas-liquid separator 17 through the four-way valve 12, is sucked by a suction port of the compressor 11, is compressed by the compressor 11, and then participates in the next circulation.
The air conditioner comprises the refrigerant radiation wall integrated air conditioning system with the solar jet function. The solar jet refrigerant radiation wall integrated air conditioning system is arranged on the air conditioner, so that the energy efficiency of the air conditioner is improved, the comprehensive utilization rate of energy is improved, and the dual purposes of saving energy and reducing cost are achieved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims (10)

1. Take refrigerant radiation wall integration air conditioning system of solar energy injection, its characterized in that includes:
the compression heat exchange system comprises a compressor, a four-way valve, an outdoor heat exchanger, a liquid reservoir, a throttling device, an indoor heat exchange device and a gas-liquid separator; the compressor, the four-way valve, the outdoor heat exchanger, the liquid reservoir, the throttling device, the indoor heat exchange device, the four-way valve and the gas-liquid separator form a circulating flow path;
the ejector is communicated with a pipeline between the outdoor heat exchanger and the four-way valve; the ejector is communicated with a pipeline between the compressor and the four-way valve;
a solar energy collection system in communication with the ejector; the solar heat collection system is communicated with a pipeline between the liquid reservoir and the indoor heat exchange device;
and the valve control system is arranged on a pipeline among the compression heat exchange system, the ejector and the solar heat collection system and is used for controlling the ejector and the solar heat collection system to operate or stop.
2. The integrated cooling medium radiation wall air conditioning system with solar jet as claimed in claim 1, wherein the solar heat collecting system comprises a pump body and a solar heat collector; the refrigerant inflow end of the pump body is communicated with a pipeline between the liquid receiver and the indoor heat exchange device; the refrigerant outflow end of the pump body is communicated with the refrigerant inflow end of the solar heat collector; and the refrigerant outflow end of the solar heat collector is communicated with the refrigerant inflow end of the ejector.
3. The integrated air conditioning system with the solar jet refrigerant radiation wall as recited in claim 2, wherein the valve control system comprises a first control valve, a second control valve, a third control valve, a fourth control valve, a fifth control valve and a sixth control valve; wherein the content of the first and second substances,
the first control valve is communicated with a pipeline between the compressor and the four-way valve;
the ejector is communicated with a pipeline between the compressor and the first control valve through a first refrigerant pipeline; the second control valve is positioned on the first refrigerant pipeline;
the refrigerant outflow end of the ejector is communicated with a pipeline between the outdoor heat exchanger and the four-way valve through a second refrigerant pipeline; the third control valve is positioned on the second refrigerant pipeline;
the refrigerant inflow end of the pump body is communicated with a pipeline between the liquid receiver and the indoor heat exchange device through a third refrigerant pipeline; the fourth control valve is positioned on the third refrigerant pipeline;
the fifth control valve is communicated with a pipeline between the pump body and the solar heat collector;
the sixth control valve is communicated with a pipeline between the solar heat collector and the ejector.
4. The integrated refrigerant radiant wall air conditioning system with solar energy injection as claimed in claim 1, wherein the indoor heat exchange device comprises an indoor heat exchanger and a radiant wall panel heat exchange device; the refrigerant outflow end of the liquid receiver is communicated with the refrigerant inflow end of the indoor heat exchanger through a fourth refrigerant pipeline; the refrigerant outflow end of the indoor heat exchanger is communicated with the refrigerant inflow end of the ejector through a fifth refrigerant pipeline; the refrigerant inflow end of the radiation wall panel heat exchange device is communicated with the fourth refrigerant pipeline through a sixth refrigerant pipeline; and the refrigerant outflow end of the radiation wall panel heat exchange device is communicated with the fifth refrigerant pipeline through a seventh refrigerant pipeline.
5. The integrated air conditioning system with the solar jet refrigerant radiation wall as recited in claim 4, wherein the throttling device comprises a first throttling device and a second throttling device; the first throttling device is communicated with the fourth refrigerant pipeline; the second throttling device is communicated with the sixth refrigerant pipeline.
6. The integrated air conditioning system with the solar jet refrigerant radiation wall as recited in claim 4, wherein the radiation wall panel heat exchange device comprises a radiation plate, fins, a heat preservation layer, an outer shell and a capillary mat; the radiation plate, the fins and the heat insulation layer form an air duct; the capillary mat is positioned in the air duct and close to one side of the radiation plate; the refrigerant inflow end of the capillary mat is communicated with the sixth refrigerant pipeline; the refrigerant outflow end of the capillary mat is communicated with the seventh refrigerant pipeline; the outer shell is positioned on the outer side of the heat insulation layer.
7. The integrated cooling medium radiant wall air conditioning system with solar injection as claimed in claim 6, wherein the fins are fins made of copper; the capillary mat is made of copper.
8. The integrated cooling medium radiant wall air conditioning system with solar jet as claimed in claim 6, wherein the air duct comprises an air inlet and an air outlet; the air inlet is provided with a fan positioned in the air duct.
9. The integrated cooling medium radiant wall air conditioning system with solar injection as claimed in claim 3, wherein the first control valve, the second control valve, the third control valve, the fourth control valve, the fifth control valve and the sixth control valve are solenoid valves.
10. The air conditioner is characterized by comprising the refrigerant radiation wall integrated air conditioning system with the solar jet function as claimed in any one of claims 1 to 9.
CN201910954763.2A 2019-10-09 2019-10-09 Refrigerant radiation wall integrated air conditioning system with solar jet function and air conditioner Pending CN110966696A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113405181A (en) * 2021-07-14 2021-09-17 太原理工大学 Evaporative cooling and evaporative condensation integrated air handling unit
CN115234976A (en) * 2022-09-26 2022-10-25 宁波奥克斯电气股份有限公司 Air conditioning system, control method and air conditioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113405181A (en) * 2021-07-14 2021-09-17 太原理工大学 Evaporative cooling and evaporative condensation integrated air handling unit
CN113405181B (en) * 2021-07-14 2022-10-25 太原理工大学 Evaporative cooling and evaporative condensation integrated air handling unit
CN115234976A (en) * 2022-09-26 2022-10-25 宁波奥克斯电气股份有限公司 Air conditioning system, control method and air conditioner
CN115234976B (en) * 2022-09-26 2023-01-10 宁波奥克斯电气股份有限公司 Air conditioning system, control method and air conditioner

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