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Air conditioner control method, air conditioner control device and air conditioner
Active Publication Date: 2021-11-23
NINGBO AUX ELECTRIC
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Problems solved by technology
[0003] The problem solved by the present invention is that it is impossible to timely detect the situation that the four-way valve of the air conditioner is not in place, resulting in air leakage in the pipeline, and the temperature and pressure in the pipeline are too high, which affects the operation of the compressor.
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no. 1 example
[0035] Based on this problem, an embodiment of the present invention provides an air conditioner control method. see Figure 1-2 , the air conditioning control method includes, for example:
[0037] Step S2: Calculate the amount of change in the intake air temperature ΔTx and / or the rate of change in the exhaust temperature ΔTp, and determine whether the adjustment condition of the four-way valve is satisfied;
[0038] Step S3: If satisfied, adjust the four-way valve 212 .
[0039] In the step S1, the air conditioner external unit 210 is started, and the compressor 211 and the fan are started simultaneously. It should be noted that the suction temperature is the temperature of the gas entering the compressor 211 , and the discharge temperature is the temperature of the gas exiting the compressor 211 . Wherein, in the step S1, only the intake air temperature ma...
no. 2 example
[0060] see image 3 , which is a block diagram of an air-conditioning control device 100 provided in the second embodiment of the present invention. Wherein, the air conditioner control device 100 includes, for example: an air conditioner control device 100, which is characterized in that it includes: a temperature acquisition module 110 for detecting the intake air temperature and the exhaust gas temperature in real time; a pressure acquisition module 120 for Detect the current high pressure value; the condition judging module 130 is used to judge the adjustment condition of the four-way valve; the control module 140 is used to control the action of the four-way valve 212 .
[0061] Preferably, the temperature acquiring module 110 acquires the intake air temperature and the exhaust gas temperature every t time, and sends them to the condition judging module 130 .
[0062] Preferably, the condition judging module 130 is used to judge whether the intake air temperature variati...
no. 3 example
[0065] see Figure 4 , the third embodiment of the present invention provides an air conditioner 200, including: a computer-readable storage medium storing a computer program and a packaging IC, when the computer program is read and run by the packaging IC, the air conditioner 200 Realize the air conditioner control method as described in any one of the above embodiments.
[0066] In a specific embodiment, for example, the air conditioner 200 further includes: an external unit 210 . The external unit 210 is provided with a four-way valve 212 and a compressor 211 . Wherein, both the air inlet and the air outlet of the compressor 211 are provided with a temperature sensor and a pressure sensor, the temperature sensor is used for detecting temperature, and the pressure sensor is used for detecting pressure.
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Abstract
The invention provides an air conditioner control method, an air conditioner control device and an air conditioner. The air conditioner control method comprises the steps that an outdoor unit is started, and the air suction temperature and / or the exhaust temperature are / is detected; the suction temperature variation delta Tx and / or the exhaust temperature change rate delta Tp are / is calculated, and whether the four-way valve adjusting condition is met or not is judged; and if yes, a four-way valve is adjusted. According to the air conditioner control method, the air conditioner control device and the air conditioner, the problems of pipeline blow-by, over-high temperature and pressure in the pipeline and influence on the operation of a compressor caused by the situation that a four-way valve of an air conditioner is not in place cannot be detected in time are solved.
Description
technical field [0001] The present invention relates to the technical field of air conditioner control, in particular to an air conditioner control method, an air conditioner control device and an air conditioner. Background technique [0002] At present, the four-way valve is one of the important components of the air conditioner when switching between cooling and heating. Whether the four-way valve is switched directly determines whether the operating mode is cooling or heating, which has an important impact on user comfort. The temperature of the inner panel of the machine is used to judge whether the switching of the four-way valve is completed, so as to prevent the cooling and heating operation that should have been done, or the cooling operation that should have been made to heat. Whether the four-way valve is switched will affect the comfort of the user, and if the four-way valve is not switched in place, it will affect the air conditioningsystem. If the four-way va...
Claims
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Application Information
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