Air conditioner control method and air conditioner
A control method and air-conditioning technology, which is applied in the direction of control input involving air characteristics, space heating and ventilation control input, heating and ventilation control system, etc. It can solve the problems of easy low pressure reporting and heating operation failure, so as to prevent misuse Report low pressure, control method is effective and accurate, and ensure the effect of normal operation
Active Publication Date: 2018-09-25
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0003] In addition, when an air conditioner without an outer ring temperature sensor in the prior art operates in a low-temperature environment, it is easy to report low pressure, resulting in the problem that it cannot be heated.
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[0020] The present invention is described below based on examples, but the present invention is not limited to these examples.
[0021] During the operation of the air conditioner in each environment, it is necessary to detect the external environment temperature to achieve the purpose of controlling the air conditioner. The present invention provides a control method of air conditioner, such as figure 1 As shown, the air conditioner includes an outdoor heat exchanger 1, a throttling assembly 3, shut-off valves 4 and 6, an indoor heat exchanger 5, a compressor 7, a four-way valve 8, a low-pressure switch 9 and a high-pressure switch 10, and the outdoor heat exchanger 1 An outdoor heat exchanger temperature sensor 2 is provided for detecting the temperature of the outdoor heat exchanger. When the discharge pressure exceeds the set value, the high pressure switch 10 is turned off; when the suction pressure is lower than the set value, the low pressure switch 9 is turned off, so...
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The invention provides a control method of an air conditioner and the air conditioner working with the method. The air conditioner comprises an outdoor heat exchanger, wherein an outdoor heat exchanger temperature sensor is arranged on the outdoor heat exchanger to detect the temperature of the outdoor heat exchanger, the air conditioner does not comprise an outdoor environment temperature sensor for measuring the outdoor environment temperature, and the control method is used for controlling running of the air conditioner by reading a measured value T of the outdoor heat exchanger temperature sensor before start of a compressor to be used as the outdoor environment temperature. With the adoption of the method, the air conditioner can have an environment temperature detection function without the outdoor environment temperature sensor, low-voltage protection misinformation of the air conditioner during low-temperature environment running is prevented, and the air conditioner can run normally in the low-temperature environment and in the slight fluorine lack state.
Description
technical field [0001] The present invention relates to an air conditioner, in particular to an air conditioner control method and an air conditioner working with the control method. Background technique [0002] Common air conditioners in the prior art include outdoor heat exchangers, outdoor heat exchanger temperature sensors, outer ring temperature sensors, throttling components, stop valves, indoor heat exchangers, compressors, four-way valves, etc., wherein the outer ring temperature sensor It is used to measure the outdoor ambient temperature, and is mainly involved in controlling the actions of compressors, pressure switches and other executive structures. The outdoor heat exchanger temperature sensor is used to detect the outdoor (condenser) defrosting point temperature, and the detected data is used as one of the discrimination conditions for controlling defrosting and other actions. An accurate and effective low-voltage control method needs to distinguish the cont...
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IPC IPC(8): F24F11/64F24F110/10
CPCF24F11/30F24F11/62F24F11/64F24F11/65F24F2110/10F24F2110/12
Inventor 彭斌
Owner GREE ELECTRIC APPLIANCES INC