A method for judging the defrosting of an air conditioner outdoor unit
A technology for air-conditioning outdoor units and determination methods, which is applied to air-conditioning systems, heating methods, mechanical equipment, etc., and can solve problems such as reduced user comfort, increased energy consumption, and multiple defrosting times, so as to improve user comfort and improve Accuracy, the effect of prolonging the defrosting cycle
Active Publication Date: 2017-11-10
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide an air conditioner outdoor unit, an air conditioner outdoor unit defrosting determination system and method, and solve the technical problems of high defrosting times, reduced user comfort and increased energy consumption in the prior art
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[0043] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0044] Such as figure 1 Shown is the system structure diagram of the outdoor unit of the air conditioner in this embodiment, including a compressor 1, a four-way valve 2, an outdoor fan 3, an outdoor air-cooled heat exchanger 4, an electronic throttling component 5, a gas-liquid separator 7, a An outdoor unit shut-off valve 8, a second outdoor unit shut-off valve 9, a pipe temperature detection device 6 and a wind speed detection device 10. In this embodiment, the first outdoor unit shut-off valve 8 is a liquid side shut-off valve, and the second outdoor unit The stop valve 9 is an air side stop valve, the wind speed detection device 10 is an anemometer, and the pipe temperature detection device 6 is a temperature s...
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The invention relates to the field of a refrigeration air conditioner of a steam compressor, in particular to an air conditioner outdoor unit, an air conditioner outdoor unit defrosting judging system and an air conditioner outdoor unit defrosting judging method. According to the air conditioner outdoor unit, the air conditioner outdoor unit defrosting judging system and the air conditioner outdoor unit defrosting judging method, disclosed by the invention, the air conditioner outdoor unit is internally and additionally provided with an anemograph which is used for detecting the air speed of an air outlet, whether an outdoor air-cooled heat exchanger is frosted or not can be judged by the air conditioner outdoor unit defrosting judging system by combining the changing situation of the air speed and the tube temperature of the outdoor air-cooled heat exchanger, defrosting can be carried out by controlling the state of a defrosting switch, the accuracy of judging the defrosting by the system is increased, the purposes that the defrosting can be carried out when frost exists and the defrosting cannot be carried out when no frost exists can be achieved, the defrosting period can be prolonged to the maximum, the influence on indoor air temperature by an air conditioner defrosting process can be reduced, and the using comfort of a user and the heating effect of the air conditioner are increased.
Description
technical field [0001] The invention relates to the field of steam compressor refrigeration and air conditioning, in particular to a method for judging defrosting of an outdoor unit of an air conditioner. Background technique [0002] A general air-conditioning compression refrigeration system is composed of a compressor, a condenser, an evaporator, and a throttling element. The pipelines are connected in a certain order to form a closed system. The closed system is filled with an appropriate amount of refrigerant. Next, the refrigerant comes out of the compressor and returns to the compressor through the condenser, evaporator and throttling structure, and the heat moves along with the movement of the refrigerant, realizing the refrigeration process of absorbing heat from the evaporator to releasing heat to the condenser . [0003] When the air conditioning system is heating, the system sends heat from the outside to the room, and the heat exchanger of the outdoor unit acts...
Claims
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IPC IPC(8): F24F1/06F24F11/00
CPCF24F1/06F24F1/16F24F11/30F24F11/41F24F11/42F24F11/62F24F11/65F24F11/89F24F2110/00F24F2110/30F24F2140/20
Inventor 卜其辉许永锋梁伯启李宏伟蒋运鹏吴晓鸿
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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