Self-cleaning control method of fixed frequency air conditioner

Abstract

The invention discloses a self-cleaning control method of a fixed frequency air conditioner, and belongs to the technical field of air conditioning regulation. The self-cleaning control method includes the steps that whether the fixed frequency air conditioner can enter into a self-cleaning mode or not is determined; the self-cleaning mode is performed according to the sequence of condensation, frosting, defrosting and exiting; and the fixed frequency air conditioner does not change the rotation speed of a compressor, and performs the self-cleaning mode by controlling start and stop of the compressor of the fixed frequency air conditioner, the rotation speed of an internal fan, the start and stop of an external fan, the state of an air deflector and a four-way valve. The self-cleaning control method overcomes the disadvantage that the rotation speed of the compressor of the fixed frequency air conditioner is not adjustable, the self-cleaning function of an evaporator of the fixed frequency (the rotation speed of the compressor is not adjustable) air conditioner is realized, the safe operation of an air conditioning system is ensured, the safe operation of the system and the effectof self-cleaning are taken into account, and market prospects are achieved.

Description

technical field [0001] The invention relates to a control method for self-cleaning of an air conditioner, in particular to a control method for self-cleaning of a fixed-frequency air conditioner, and belongs to the technical field of air conditioner regulation. Background technique [0002] At present, the air pollution is serious, especially the sandstorm weather in northern my country, which often causes the indoor air conditioner wall-mounted unit to be covered with dust after a period of installation, whether it is the filter screen or the evaporator. In the structural design of the air conditioner, the filter screen can be removed and washed, but the user cannot clean the dust on the evaporator. Therefore, the self-cleaning function of the air conditioner in this article is to solve the dust on the evaporator of the air conditioner, so that users can safely use this function to clean the dust on the evaporator. [0003] At present, there is no self-cleaning evaporator ...

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Problems solved by technology

[0003] At present, there is no self-cleaning evaporator function for fixed-frequency air conditioners on the market, but in fact there are not many fixed-frequency machines on the market, so the setting of self-cleaning function of fixed-frequency air conditioner evaporator has practical significance and market demand.

[0004] In general, the self-cleaning function of the inverter can ensure the safe operation of the air conditioning system during self-cleaning by controlling the frequency of the compressor; but the fixed-frequency machine cannot control the frequency of the compressor, how can it achieve self-cleaning while ensuring the safe operation of the system? ?

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