Air conditioner control method and device, air conditioner, and storage medium
A control method and air-conditioning technology, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve problems such as abnormal communication of air conditioners, avoid communication failures, reduce communication failure rates, and improve user experience Effect
Active Publication Date: 2021-07-02
TCL AIR CONDITIONER ZHONGSHAN CO LTD +1
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[0006] The present invention provides an air conditioner control method and device, an air conditioner, and a storage medium to solve the problem of abnormal communication of the air conditioner caused by damage to the optocoupler
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[0029] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0030] After research, the inventor found that with the increase of the service life, the optocoupler ages, the CTR (current transfer ratio) value of the optocoupler decreases, and the loop current of the light-receiving end of the optocoupler becomes smaller, resulting in the inability of the optocoupler to conduct, and the failure of the internal and external unit...
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The present application relates to an air conditioner control method and device, an air conditioner, and a storage medium. The method includes: judging whether the first optocoupler in the communication circuit between the indoor unit of the air conditioner and the outdoor unit of the air conditioner fails; if the first optocoupler fails , switch the first optocoupler to the second optocoupler, and the second optocoupler is a spare optocoupler; after the first optocoupler is switched to the second optocoupler, it is determined Whether the communication between the air conditioner indoor unit and the air conditioner outdoor unit is abnormal; if the communication between the air conditioner indoor unit and the air conditioner outdoor unit is abnormal, it will prompt that the communication between the air conditioner indoor unit and the air conditioner outdoor unit is faulty. Through the air conditioner control method in the present application, the communication failure of the air conditioner caused by the damage of the optocoupler is avoided, the communication failure rate of the air conditioner is reduced, and the use experience of the user is improved.
Description
technical field [0001] The present application relates to the technical field of air conditioner communication, and in particular to an air conditioner control method and device, an air conditioner, and a storage medium. Background technique [0002] At present, the communication between the indoor and outdoor units of household inverter air conditioners mostly adopts the zero-fire wire communication method. The zero-fire wire communication is a current loop communication method. The on and off of the optocoupler in the circuit is determined by the loop current value. However, as the service life increases, the optocoupler ages, the current transfer ratio (CTR) of the optocoupler decreases, and the loop current at the light-receiving end of the optocoupler becomes smaller, resulting in the failure of the optocoupler to conduct, and the internal and external units It is impossible to communicate normally, and the communication system of the air conditioner fails, which affect...
Claims
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IPC IPC(8): F24F11/32F24F11/38F24F11/88F24F11/56
CPCF24F11/32F24F11/38F24F11/56F24F11/88
Inventor 刘湘张琴兰胡作平徐经碧韩东朱松伟
Owner TCL AIR CONDITIONER ZHONGSHAN CO LTD