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Air conditioner defrosting control method

A control method and technology for air conditioners, applied in mechanical equipment and other directions, can solve problems such as air conditioners not being able to defrost normally, and achieve the effect of ensuring normal operation and heating effect.

Inactive Publication Date: 2018-02-16
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the air conditioner cannot be normally defrosted due to the failure of the defrosting sensor of the outdoor unit in the existing defrosting method, the present invention provides an air conditioner defrosting The control method comprises the following steps: in the condition of heating operation of the air conditioner, detecting the temperature of the coil of the indoor unit; detecting the continuous running time of the compressor; according to the temperature of the coil of the indoor unit and the continuous running time of the compressor, Determine whether to put the air conditioner into defrosting mode

Method used

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[0018] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the various steps of the method of the present invention are described in a specific order in the present application, these orders are not limiting, and those skilled in the art can perform the steps in different orders without departing from the basic principles of the present invention. Follow the steps described.

[0019] refer to figure 1 , figure 1 It is a flow chart of the air conditioner defrosting control method of the present invention. Such as figure 1 As shown, the air conditioner defrosting control method of the present invention includes the following steps: S110, in the case of heating operation of the ai...

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Abstract

The invention belongs to the technical field of air conditioners and particularly relates to an air conditioner defrosting control method. The problem that in an existing defrosting mode, failures occur to a defrosting sensor of an outdoor unit, and thus an air conditioner cannot be normally defrosted is solved. The air conditioner defrosting control method comprises the following steps that underthe situation that the air conditioner operates in a heating mode, the temperature of an indoor unit coil pipe is detected; the continuous operating time of a compressor is detected; and according tothe temperature of the indoor unit coil pipe and the continuous operating time of the compressor, whether the air conditioner is made to enter into a defrosting mode or not is judged. The air conditioner defrosting control method is independent of the outdoor unit defrosting sensor, the opportunity that the air conditioner enters into the defrosting mode is controlled only according to the temperature of the indoor unit coil pipe and the continuous operating time of the compressor, thus the air conditioner can defrost in time, and the heating effect is ensured accordingly.

Description

technical field [0001] The invention belongs to the technical field of air conditioners, and in particular relates to an air conditioner defrosting control method. Background technique [0002] As a device that can adjust the indoor ambient temperature, the air conditioner works on the principle that the indoor ambient temperature is lowered or raised through the high-pressure / low-pressure / gas / liquid state transition of the refrigerant between the circulation lines, that is, From the perspective of the indoor unit, the air conditioner is in cooling or heating mode. When the air conditioner is in the heating condition, the coil of the outdoor unit (evaporator) of the air conditioner is prone to frost, and the frost on the coil of the outdoor unit will cause the performance of the refrigeration system to decline, thereby affecting the heating effect of the air conditioner. Reduce the comfort of the indoor environment and affect the user experience. Therefore, when the air co...

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Application Information

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IPC IPC(8): F24F11/65F24F11/42F24F11/61
Inventor 杨坤马韵华魏宗科刘景升梁判司跃元张君慧孙超熊长友高志洋
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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