CN105737439B - A kind of air-conditioning system using solar energy and thermoelectricity supercooling apparatus - Google Patents

A kind of air-conditioning system using solar energy and thermoelectricity supercooling apparatus Download PDF

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CN105737439B
CN105737439B CN201610182602.2A CN201610182602A CN105737439B CN 105737439 B CN105737439 B CN 105737439B CN 201610182602 A CN201610182602 A CN 201610182602A CN 105737439 B CN105737439 B CN 105737439B
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thermoelectric
sheet
condenser
subcooling
solar
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CN105737439A (en
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金听祥
李改莲
吕子建
刘根源
刘聪
闫天豪
郑蒙恩
杨滨滨
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Guangdong Chigo Air Conditioning Co Ltd
Zhengzhou University of Light Industry
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Guangdong Chigo Air Conditioning Co Ltd
Zhengzhou University of Light Industry
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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
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
    • F25B27/005—Machines, plants or systems, using particular sources of energy using solar energy in compression type systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • 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
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

本发明公开了一种利用太阳能和热电过冷装置的空调系统，包括压缩机、四通换向阀、冷凝器和蒸发器，所述压缩机的输入口和输出口分别与四通换向阀的两个接口相连，冷凝器和蒸发器分别与四通换向阀的另外两个接口相连，包括热电过冷装置、风机以及为热电过冷装置和风机提供电源的太阳能电源系统，所述热电过冷装置包括热电制冷片、热电片热端散热器和热电片冷端换热器，所述热电片冷端换热器连接于冷凝器和蒸发器之间，所述风机与热电片热端散热器同侧；所述太阳能电源系统包括太阳能电池板、蓄电池、数控匹配器相互连接，通过数控匹配器将太阳能电池板的直流低压电转化为12V直流电，并利用蓄电池储存多余的电能。

The invention discloses an air-conditioning system utilizing solar energy and a thermoelectric subcooling device, which comprises a compressor, a four-way reversing valve, a condenser and an evaporator, and the input port and the output port of the compressor are connected with the four-way reversing valve respectively. The condenser and the evaporator are respectively connected to the other two interfaces of the four-way reversing valve, including a thermoelectric subcooling device, a fan, and a solar power system that provides power for the thermoelectric subcooling device and the fan. The subcooling device includes a thermoelectric refrigeration sheet, a heat sink at the hot end of the thermoelectric sheet, and a heat exchanger at the cold end of the thermoelectric sheet. The cold end heat exchanger of the thermoelectric sheet is connected between the condenser and the evaporator. The radiator is on the same side; the solar power system includes solar panels, accumulators, and a numerical control matcher connected to each other, through which the DC low-voltage power of the solar panel is converted into 12V direct current, and the excess electric energy is stored in the accumulator.

Description

一种利用太阳能和热电过冷装置的空调系统An air conditioning system using solar energy and thermoelectric subcooling devices

技术领域technical field

本发明涉及空调器技术领域，尤其涉及一种利用太阳能和热电过冷装置的空调系统。The invention relates to the technical field of air conditioners, in particular to an air conditioning system utilizing solar energy and a thermoelectric subcooling device.

背景技术Background technique

传统的蒸气压缩制冷系统在运行时，随着室外环境温度的升高，系统的能效比会急剧的降低，这就在造成了更多的能源消耗，而且高低温热源的温差也会变大，会对整个制冷系统造成损坏，尤其是压缩机1等核心部件。When the traditional vapor compression refrigeration system is running, as the outdoor ambient temperature rises, the energy efficiency ratio of the system will decrease sharply, which will cause more energy consumption, and the temperature difference between high and low temperature heat sources will also increase. It will cause damage to the entire refrigeration system, especially the core components such as compressor 1.

目前通过提高蒸气压缩制冷系统中流出冷凝器3的制冷剂液体的过冷度是解决以上问题最有效的途径。中国发明专利申请201510227456公开了一种基于半导体过冷增效的冷冻箱蒸气压缩复合循环系统，其基于热电制冷的原理为系统提供过冷，不足之处在于，热电片需要额外的电能输入，而且浪费了一部分制冷剂的冷量来为热电片的热端进行降温，系统并不节能。At present, increasing the subcooling degree of the refrigerant liquid flowing out of the condenser 3 in the vapor compression refrigeration system is the most effective way to solve the above problems. Chinese invention patent application 201510227456 discloses a vapor compression compound cycle system for freezers based on semiconductor subcooling and synergy, which provides supercooling for the system based on the principle of thermoelectric refrigeration. The disadvantage is that the thermoelectric sheet requires additional electric energy input, and A part of the cooling capacity of the refrigerant is wasted to cool down the hot end of the thermoelectric sheet, and the system does not save energy.

而本发明，就是考虑以上所存在的问题，予以解决， 从而达到既可以提高系统能效，节约能源，又能维护系统稳定运行的目的。据查询，该项发明，目前基本处于空白。However, the present invention considers the above existing problems and solves them, so as to achieve the purpose of improving system energy efficiency, saving energy, and maintaining stable operation of the system. According to inquiries, this invention is basically in the blank at present.

发明内容Contents of the invention

本发明的目的在于克服现有技术的不足，提供一种环保节能、结构紧凑的利用太阳能和热电过冷装置的空调系统。The object of the present invention is to overcome the deficiencies of the prior art, and provide an environmental protection, energy-saving, compact air-conditioning system utilizing solar energy and a thermoelectric subcooling device.

为了实现以上目的，本发明所采用的技术方案是：In order to achieve the above object, the technical solution adopted in the present invention is:

一种利用太阳能和热电过冷装置的空调系统，包括压缩机、四通换向阀、冷凝器和蒸发器，所述压缩机的输入口和输出口分别与四通换向阀的两个接口相连，冷凝器和蒸发器分别与四通换向阀的另外两个接口相连，包括热电过冷装置、风机以及为热电过冷装置和风机提供电源的太阳能电源系统，所述热电过冷装置包括热电制冷片、热电片热端散热器和热电片冷端换热器，所述热电片冷端换热器连接于冷凝器和蒸发器之间，所述风机与热电片热端散热器同侧；所述太阳能电源系统包括相互连接的太阳能电池板、蓄电池、数控匹配器，通过数控匹配器将太阳能电池板的直流低压电转化为12V直流电，并利用蓄电池储存多余的电能。An air-conditioning system using solar energy and thermoelectric subcooling devices, including a compressor, a four-way reversing valve, a condenser and an evaporator, the input port and the output port of the compressor are respectively connected to the two interfaces of the four-way reversing valve The condenser and the evaporator are respectively connected to the other two interfaces of the four-way reversing valve, including a thermoelectric subcooling device, a fan, and a solar power system that provides power for the thermoelectric subcooling device and the fan. The thermoelectric subcooling device includes Thermoelectric cooling sheet, thermoelectric sheet hot-end radiator and thermoelectric sheet cold-end heat exchanger, the thermoelectric sheet cold-end heat exchanger is connected between the condenser and the evaporator, and the fan is on the same side as the thermoelectric sheet hot-end radiator ; The solar power system includes interconnected solar panels, batteries, and a numerical control matcher, through which the DC low-voltage power of the solar panel is converted into 12V DC, and the battery is used to store excess electric energy.

进一步，所述冷凝器和蒸发器之间还连接有毛细管。Further, a capillary is connected between the condenser and the evaporator.

进一步，所述热电片热端散热器、热电片冷端换热器与热电制冷片之间连接有导热硅胶，在热电片冷端换热器与连接管道之间设有冷端导热铝板，所述热电片热端散热器包括热端导热铝板、翅片和蛇盘布置的热管。Further, a heat-conducting silica gel is connected between the hot-end radiator of the thermoelectric sheet, the cold-end heat exchanger of the thermoelectric sheet, and the thermoelectric cooling sheet, and a cold-end heat-conducting aluminum plate is arranged between the cold-end heat exchanger of the thermoelectric sheet and the connecting pipe, so that The heat sink at the hot end of the thermoelectric sheet includes a heat-conducting aluminum plate at the hot end, fins and heat pipes arranged in snake coils.

本发明的有益效果是：本发明的一种利用太阳能和热电过冷装置的空调系统，利用太阳能电池板的电能对热电过冷装置和风机进行供电，无额外的电能消耗，环保节能。此外利用热电制冷片产生的冷量来冷却流出冷凝器的制冷剂，提高系统的过冷度；既提高了系统能效，又能维护系统在高温条件下的稳定运行。The beneficial effects of the present invention are: the air conditioning system using solar energy and thermoelectric subcooling device of the present invention uses the electric energy of solar panels to supply power to the thermoelectric subcooling device and fan, without additional power consumption, environmental protection and energy saving. In addition, the cooling capacity generated by the thermoelectric cooling sheet is used to cool the refrigerant flowing out of the condenser and improve the subcooling degree of the system; it not only improves the energy efficiency of the system, but also maintains the stable operation of the system under high temperature conditions.

附图说明Description of drawings

图1为本发明的原理图。Fig. 1 is a schematic diagram of the present invention.

图2为本发明的热电过冷装置的结构示意图。Fig. 2 is a schematic structural diagram of the thermoelectric subcooling device of the present invention.

其中，1-压缩机，2-四通换向阀，3-冷凝器，4-蒸发器，5-热电过冷装置，51-热电制冷片，52-热电片热端散热器，521-热端导热铝板，522-翅片，523-热管，53-热电片冷端换热器，54-导热硅胶，55-冷端导热铝板，6-风机，7-太阳能电源系统，71-太阳能电池板，72-蓄电池，73-数控匹配器，8-毛细管，9-连接管道。Among them, 1-compressor, 2-four-way reversing valve, 3-condenser, 4-evaporator, 5-thermoelectric subcooling device, 51-thermoelectric cooling sheet, 52-thermoelectric sheet hot end radiator, 521-thermal End heat conduction aluminum plate, 522-fin, 523-heat pipe, 53-thermoelectric sheet cold end heat exchanger, 54-thermal silica gel, 55-cold end heat conduction aluminum plate, 6-fan, 7-solar power system, 71-solar panel , 72-battery, 73-NC matcher, 8-capillary, 9-connecting pipeline.

具体实施方式Detailed ways

现结合附图和具体实施例对本发明所要求保护的技术方案作进一步详细说明。The technical solutions claimed in the present invention will be further described in detail in conjunction with the accompanying drawings and specific embodiments.

参见附图1和2所示，本实施例的一种利用太阳能和热电过冷装置5的空调系统，包括压缩机1、四通换向阀2、冷凝器3和蒸发器4，所述压缩机1的输入口和输出口分别与四通换向阀2的两个接口相连，冷凝器3和蒸发器4分别与四通换向阀2的另外两个接口相连，包括热电过冷装置5、风机6以及为热电过冷装置5和风机6提供电源的太阳能电源系统7，所述热电过冷装置5包括热电制冷片51、热电片热端散热器52和热电片冷端换热器53，所述热电片冷端换热器53连接于冷凝器3和蒸发器4之间，在本实施例中，冷凝器3和蒸发器4之间还连接有毛细管8。在本实施例中，所述热电片热端散热器52、热电片冷端换热器53与热电制冷片51之间连接有导热硅胶54，在热电片冷端换热器53与连接管道9之间设有冷端导热铝板55，所述热电片热端散热器52包括热端导热铝板521、翅片522和蛇盘布置的热管523。所述风机6与热电片热端散热器52同侧；所述太阳能电源系统7包括相互连接的太阳能电池板71、蓄电池72、数控匹配器73，通过数控匹配器73将太阳能电池板71的直流低压电转化为12V直流电，并利用蓄电池72储存多余的电能。Referring to accompanying drawings 1 and 2, a kind of air-conditioning system utilizing solar energy and thermoelectric subcooling device 5 of the present embodiment includes a compressor 1, a four-way reversing valve 2, a condenser 3 and an evaporator 4, and the compression The input port and the output port of the machine 1 are respectively connected with the two ports of the four-way reversing valve 2, and the condenser 3 and the evaporator 4 are respectively connected with the other two ports of the four-way reversing valve 2, including a thermoelectric subcooling device 5 , fan 6 and the solar power system 7 that provides power for the thermoelectric subcooling device 5 and the fan 6, the thermoelectric subcooling device 5 includes a thermoelectric cooling sheet 51, a thermoelectric sheet hot end radiator 52 and a thermoelectric sheet cold end heat exchanger 53 , the cold end heat exchanger 53 of the thermoelectric sheet is connected between the condenser 3 and the evaporator 4 , and in this embodiment, a capillary 8 is also connected between the condenser 3 and the evaporator 4 . In this embodiment, a heat-conducting silica gel 54 is connected between the heat sink 52 at the hot end of the thermoelectric sheet, the heat exchanger 53 at the cold end of the thermoelectric sheet, and the thermoelectric cooling sheet 51. There is a cold-end heat-conducting aluminum plate 55 between them, and the hot-end heat sink 52 of the thermoelectric sheet includes a hot-end heat-conducting aluminum plate 521 , fins 522 and heat pipes 523 arranged in serpentine coils. The fan 6 is on the same side as the thermoelectric sheet hot end radiator 52; the solar power supply system 7 includes interconnected solar panels 71, accumulators 72, and numerically controlled matchers 73, and the direct current of the solar panel 71 is connected to each other by the numerically controlled matchers 73. The low-voltage electricity is converted into 12V DC, and the storage battery 72 is utilized to store excess electric energy.

太阳能电池板71光伏发电经数控匹配器73，调节为稳定的12V直流电，供热电制冷片51与轴流风机6使用，阳光充足时，将过剩的电能储存到蓄电池72中，在阴雨天及晚上发电量不足时，利用蓄电池72中的电能供给热电片及轴流风机6使用。热电制冷工作时，产生的冷量冷却换热铝板，换热铝板再与制冷系统中流出冷凝器3的制冷剂进行换热，从而达到提高制冷系统过冷度的目的。The photovoltaic power generation of the solar panel 71 is adjusted to a stable 12V direct current through the numerical control matching device 73, which is used for the thermoelectric cooling sheet 51 and the axial flow fan 6. When the sun is sufficient, the excess electric energy is stored in the battery 72. When the power generation is insufficient at night, the electric energy in the storage battery 72 is utilized to supply the thermoelectric sheet and the axial fan 6 for use. When thermoelectric refrigeration is working, the generated cooling capacity cools the heat-exchanging aluminum plate, and the heat-exchanging aluminum plate exchanges heat with the refrigerant flowing out of the condenser 3 in the refrigeration system, so as to achieve the purpose of improving the subcooling degree of the refrigeration system.

本实施例的一种利用太阳能和热电过冷装置5的空调系统，利用太阳能电池板71的电能对热电过冷装置5和风机6进行供电，无额外的电能消耗，环保节能。此外利用热电制冷片51产生的冷量来冷却流出冷凝器3的制冷剂，提高系统的过冷度；既提高了系统能效，又能维护系统在高温条件下的稳定运行。An air-conditioning system using solar energy and thermoelectric subcooling device 5 in this embodiment uses the electric energy of solar panel 71 to supply power to thermoelectric subcooling device 5 and fan 6 , without additional power consumption, and is environmentally friendly and energy-saving. In addition, the cooling capacity generated by the thermoelectric cooling plate 51 is used to cool the refrigerant flowing out of the condenser 3 to increase the subcooling degree of the system; it not only improves the energy efficiency of the system, but also maintains the stable operation of the system under high temperature conditions.

以上所述之实施例仅为本发明的较佳实施例，并非对本发明做任何形 式上的限制。任何熟悉本领域的技术人员，在不脱离本发明技术方案范围情况下，都可利用上述揭示的技术内容对本发明技术方案作出更多可能的变动和润饰，或修改为等同变化的等效实施例。故凡未脱离本发明技术方案的内容，依据本发明之思路所作的等同等效变化，均应涵盖于本发明的保护范围内。The embodiments described above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any person familiar with the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make more possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes . Therefore, all equivalent and equivalent changes made according to the ideas of the present invention that do not deviate from the technical solutions of the present invention shall fall within the scope of protection of the present invention.

Claims (3)

1.一种利用太阳能和热电过冷装置的空调系统，包括压缩机（1）、四通换向阀（2）、冷凝器（3）和蒸发器（4），所述压缩机（1）的输入口和输出口分别与四通换向阀（2）的两个接口相连，冷凝器（3）和蒸发器（4）分别与四通换向阀（2）的另外两个接口相连，其特征在于：包括热电过冷装置（5）、风机（6）以及为热电过冷装置（5）和风机（6）提供电源的太阳能电源系统（7），所述热电过冷装置（5）包括热电制冷片（51）、热电片热端散热器（52）和热电片冷端换热器（53），所述热电片冷端换热器（53）连接于冷凝器（3）和蒸发器（4）之间，所述风机（6）与热电片热端散热器（52）同侧；所述太阳能电源系统（7）包括相互连接的太阳能电池板（71）、蓄电池（72）、数控匹配器（73），通过数控匹配器（73）将太阳能电池板（71）的直流低压电转化为12V直流电，并利用蓄电池（72）储存多余的电能。1. An air conditioning system utilizing solar energy and thermoelectric subcooling devices, comprising a compressor (1), a four-way reversing valve (2), a condenser (3) and an evaporator (4), the compressor (1) The input and output ports of the four-way reversing valve (2) are respectively connected to the two ports, and the condenser (3) and evaporator (4) are respectively connected to the other two ports of the four-way reversing valve (2). It is characterized in that it includes a thermoelectric subcooling device (5), a fan (6) and a solar power system (7) that provides power for the thermoelectric subcooling device (5) and the fan (6), and the thermoelectric subcooling device (5) It includes a thermoelectric cooling sheet (51), a heat sink at the hot end of the thermoelectric sheet (52) and a heat exchanger at the cold end of the thermoelectric sheet (53). The cold end heat exchanger (53) of the thermoelectric sheet is connected to the condenser (3) and the evaporation Between the devices (4), the fan (6) is on the same side as the radiator (52) at the hot end of the thermoelectric sheet; the solar power system (7) includes interconnected solar panels (71), batteries (72), The numerical control matcher (73) converts the direct current low-voltage power of the solar panel (71) into 12V direct current through the numerical control matcher (73), and utilizes the storage battery (72) to store excess electric energy. 2.根据权利要求1所述的一种利用太阳能和热电过冷装置的空调系统，其特征在于：所述冷凝器（3）和蒸发器（4）之间还连接有毛细管（8）。2. An air conditioning system utilizing solar energy and thermoelectric subcooling devices according to claim 1, characterized in that: a capillary tube (8) is also connected between the condenser (3) and the evaporator (4). 3.根据权利要求1所述的一种利用太阳能和热电过冷装置的空调系统，其特征在于：所述热电片热端散热器（52）、热电片冷端换热器（53）与热电制冷片（51）之间连接有导热硅胶（54），在热电片冷端换热器（53）与连接管道（9）之间设有冷端导热铝板（55），所述热电片热端散热器（52）包括热端导热铝板（521）、翅片（522）和蛇盘布置的热管（523）。3. An air-conditioning system using solar energy and thermoelectric subcooling devices according to claim 1, characterized in that: the heat sink (52) at the hot end of the thermoelectric sheet, the heat exchanger (53) at the cold end of the thermoelectric sheet and the thermoelectric sheet A heat-conducting silica gel (54) is connected between the cooling sheets (51), and a cold-end heat-conducting aluminum plate (55) is provided between the cold-end heat exchanger (53) of the thermoelectric sheet and the connecting pipe (9), and the hot-end of the thermoelectric sheet The radiator (52) includes a heat-conducting aluminum plate (521) at the hot end, fins (522) and heat pipes (523) arranged in a serpentine disk.
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