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-conditioning, to avoid communication failures, improve user experience, and reduce communication failure rates Effect

Active Publication Date: 2020-02-07
TCL AIR CONDITIONER ZHONGSHAN CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[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

Method used

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  • Air conditioner control method and device, air conditioner and storage medium
  • Air conditioner control method and device, air conditioner and storage medium
  • Air conditioner control method and device, air conditioner and storage medium

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Embodiment Construction

[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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Abstract

The invention relates to an air conditioner control method and device, an air conditioner and a storage medium. The method comprises the steps that whether a first optocoupler in a communication circuit of an air conditioner indoor unit and an air conditioner outdoor unit breaks down or not is judged; if the first optocoupler breaks down, the first optocoupler is switched into a second optocoupler, and the second optocoupler is a standby optocoupler; after the first optocoupler is switched into the second optocoupler, whether communication of the air conditioner indoor unit and the air conditioner outdoor unit is abnormal or not is judged; and if communication of the air conditioner indoor unit and the air conditioner outdoor unit is abnormal, that communication of the air conditioner indoor unit and the air conditioner outdoor unit breaks down is prompted. By means of the air conditioner control method, communication faults of the air conditioner caused by optocoupler damage are avoided, the communication fault rate of the air conditioner is reduced, and the use experience of a 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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Application Information

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Patent Type & Authority Applications(China)
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
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