Improved air conditioner defrosting control method
A control method and technology for air conditioners, which are applied to heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve problems such as incorrect switching mode shutdown, user remote shutdown, and sudden shutdown of air conditioners to achieve stable operation. Reliable, logically clear, well-designed effects
Active Publication Date: 2020-01-03
NANJING TICA AIR CONDITIONING CO LTD
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AI Technical Summary
Problems solved by technology
However, in the actual use process, it often happens that the air conditioner suddenly shuts down during heating operation, including shutdown due to power failure, shutdown by mistake switching mode, or remote shutdown by the user, etc.
At this time, there may be obvious frost on the surface of the outdoor heat exchanger, which may slowly melt into an ice-water mixture after the shutdown. The ice layer will accumulate very thick during the next defrost, which greatly prolongs the defrost time, which not only affects the user's use effect, but also has the risk of compressor liquid shock and oil return difficulty
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0033] The present invention will be further described below in conjunction with embodiment.
[0034] An improved air conditioner defrosting control method includes an outdoor temperature sensor next to the outdoor heat exchanger of the air conditioner so as to detect the outdoor ambient temperature; an outdoor temperature sensor is provided on the middle plate of the outdoor heat exchanger for Detect the temperature in the middle of the indoor heat exchanger. Described control method comprises the following steps:
[0035] 1) The air conditioner is running, determine the current state of the air conditioner: if it is in normal operation, go to step 2); if it is powered on after a power outage in heating operation, go to step 5); if it is changing from heating mode to non-heating mode, Go to step 8); if the user’s remote control is received in the heating mode, go to step 11); among them, if it is detected that the air conditioner electric control board has been initialized, ...
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The invention relates to an improved air conditioner defrosting control method. The improved air conditioner defrosting control method comprises the following steps that an outdoor temperature sensoris arranged beside an outdoor heat exchanger of an air conditioner so as to detect the outdoor environment temperature; the outdoor temperature sensor is arranged on a medium disk of the outdoor heatexchanger so as to detect the temperature of the middle of an indoor heat exchanger; and the control method judges whether the air conditioner passes through the abnormal shutdown state and the like through detecting the outdoor ring temperature and the outdoor unit heat exchanger temperature and the accumulated running time of a compressor, so that the unit accurately enters the corresponding defrosting program, the condition of icing of the air conditioner outdoor unit heat exchanger can be effectively prevented, and the operation stability and reliability of the air conditioner are ensured.
Description
technical field [0001] The invention relates to an air conditioner control method, in particular to an air conditioner defrost control method, in particular to an improved air conditioner defrost control method. Background technique [0002] In the existing air-conditioning defrosting control, it is only judged and acted when the air conditioner enters defrosting from the normal heating mode. However, during actual use, the air conditioner often shuts down suddenly during heating operation, including shutdown due to power failure, shutdown by mistakenly switching modes, or remote shutdown by the user. At this time, there may be obvious frost on the surface of the outdoor heat exchanger, which may slowly melt into an ice-water mixture after the shutdown. The ice layer will accumulate very thick during the next defrost, which greatly prolongs the defrost time, which not only affects the user's use effect, but also has the risk of compressor liquid shock and oil return difficu...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F24F11/42F24F11/62F24F110/12F24F140/20
CPCF24F11/42F24F11/62F24F2110/12F24F2140/20
Inventor 谭秋晖杨亚华徐来福刘宝山
Owner NANJING TICA AIR CONDITIONING CO LTD