Control method and system for quick starting of compressor of outdoor unit of variable-frequency air conditioner

An air conditioner outdoor unit, quick start technology, applied in heating and ventilation control systems, control inputs involving air characteristics, space heating and ventilation control inputs, etc. It takes a long time for the machine to start up to the maximum frequency and other problems, so as to shorten the start-up time and satisfy the operation effect.
CN105222277AActive Publication Date: 2016-01-06TCL AIR CONDITIONER ZHONGSHAN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TCL AIR CONDITIONER ZHONGSHAN CO LTD
Publication Date
2016-01-06

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Abstract

The invention discloses a control method and system for quick starting of a compressor of an outdoor unit of a variable-frequency air conditioner. The method comprises the steps that when the variable-frequency air conditioner is turned on, whether the variable-frequency air conditioner meets preset conditions at present is judged; if yes, a quick starting mode is triggered; and after the quick starting mode is triggered, a calculated outdoor target frequency is compared with a preset quick starting frequency, and a quick starting frequency is selected to start the compressor of the air conditioner according to a comparison result. According to the control method and system, the starting time of the compressor of the air conditioner can be shortened, and the refrigerating or heating effect of the air conditioner can be achieved more quickly; meanwhile, the requirement that the compressor is started without frequency hopping is met in the aspect of control, the requirement for the quick refrigerating and heating capacity is met in the aspect of performance, and the requirement for stable operation of the compressor is met in the aspect of reliability.
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Description

technical field

[0001] The invention relates to the technical field of air conditioners, in particular to a control method and system for quickly starting a compressor of an outdoor unit of an inverter air conditioner. Background technique

[0002] It takes about 45 seconds for ordinary refrigeration and heating compressors to start up to run at a frequency of 55Hz (when the compressor is started from open loop to closed loop, the compressor operating frequency is 12Hz, and the time required at this time is about The frequency is 1.5 seconds, and then the frequency is increased from 12Hz to 55Hz at a frequency increase rate of 1Hz / second. At this time, the time required is 43 seconds. Finally, the time required for the compressor to start and reach the frequency of 55Hz is about 45 seconds. .); and then run platform 1 (stay for 1 minute) and platform 2 (stay for 1 minute), and finally run the maximum frequency, and the total time to reach the maximum frequency is 2 minutes a...

Claims

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