Compressor low-temperature starting control method

Abstract

The invention relates to a compressor low-temperature starting control method, which comprises the following steps: starting a compressor and judging whether the outdoor temperature is lower than the set temperature or not; entering a next step when the outdoor temperature is lower than the set temperature, or normally starting the compressor, and at the same time, entering main control program; entering a stage of low-temperature compressor starting, wherein the low-temperature compressor starting comprises the step of circularly carrying out the opening and the closing of a hot air bypass valve when starting the compressor; judging whether the opening and the closing of the hot air bypass valve are circularly carried out for the set times or not; entering a next process if the opening and the closing of the hot air bypass valve are circularly carried out for the set times, or continuing the judgment; starting a sensing heater; judging whether the sensing heater operates the set time or not; entering a next process if the sensing heater operates for the set time, or continuing the judgment; closing the sensing heat to complete the stage of the low-temperature compressor starting; and entering the main control program after the stage of low-temperature compressor starting is completed. The invention effectively improves the work condition of starting the compressor in the low-temperature state, ensures the normal starting of the compressor, improves the work efficiency of the compressor, and prolongs the service life of the compressor.

Description

technical field [0001] The invention relates to a compressor for an air conditioner. In particular, it relates to a compressor low-temperature start-up control method capable of improving the compression efficiency of the compressor and increasing the service life of the compressor. Background technique [0002] Generally, an air conditioner is composed of a heater, a refrigerator, a purifier, etc., which can cool, heat or purify indoor air, and create a suitable indoor environment for users. [0003] If roughly classified, air conditioners can be classified into split type air conditioners and integrated type air conditioners. Split type and integrated type air conditioners have the same function. The split-type air conditioner is provided with an indoor unit with cooling / heat release on the indoor side, and an outdoor unit with heat release / cooling and a compressor on the outdoor side, and the outdoor unit and the indoor unit are connected by refrigerant pipes. An outdo...

AI Technical Summary

Problems solved by technology

[0008] 1) Reduce the volumetric efficiency of the compressor;

[0009] 2) Reduced compression compression capability;

[0010] 3) Abnormal compression of the compressor;

[0011] 4) The noise of the compressor increases;

[0012] 5) The exhaust temperature of the compressor is too high;

[0015] 8) The temperature is too low and the compressor cannot be started

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