Frosting inhibition control method for air conditioner
A control method and technology for air conditioners, applied in heating and ventilation control systems, refrigerators, refrigeration components, etc., can solve the problem of reducing heat exchange efficiency of outdoor heat exchangers, reducing indoor environment comfort, affecting the heating effect of air conditioners, etc. problems, to achieve the effect of reducing the impact, reducing the number of defrosting, and slowing the rate of frost formation
Active Publication Date: 2020-02-25
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Problems solved by technology
When the air conditioner is in heating operation, if the temperature of the outdoor coil is too low under certain humidity conditions, it will cause frosting, and the frosting of the outdoor coil will reduce the heat exchange efficiency of the outdoor heat exchanger and affect the cooling performance of the air conditioner. The thermal effect reduces the comfort of the indoor environment and affects the user experience
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[0017] In order to make the embodiments, technical solutions and advantages of the present invention more obvious, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Example. 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.
[0018] refer to figure 1 , figure 1 It is the main flow chart of the air conditioner frosting suppression control method of the present invention. like figure 1 As shown, the air conditioner anti-frost control method of the present invention includes the following steps: S110, detecting the current value of the outdoor fan of the air conditioner; S120, controlling the speed of the outdoor ...
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The invention belongs to the technical field of air conditioners, and particularly relates to a frosting inhibition control method for an air conditioner. In order to effectively suppress the frostingspeed of the air conditioner, the frosting inhibition control method for the air conditioner comprises the following steps that the current value of an outdoor fan of the air conditioner is detected;and the rotating speed of the outdoor fan is controlled according to the current value of the outdoor fan. According to the method, the rotating speed of the outdoor fan is controlled mainly by utilizing the current value of the outdoor fan, and the frosting speed of the air conditioner is delayed as much as possible on the premise of ensuring the heating operation efficiency of the air conditioner, so that the defrosting frequency is reduced, and the influence on the indoor temperature is reduced. Particularly, by comparing the real-time current value of the outdoor fan with a standard current value, the growth trend of the current of the outdoor fan is judged, and the possibility of frosting of the outdoor unit and the frosting speed can be more accurately judged according to the growthtrend of the current of the outdoor fan, so that the rotating speed of the outdoor fan is adaptively adjusted, and the frosting speed of the air conditioner is effectively reduced.
Description
technical field [0001] The invention belongs to the technical field of air conditioners, and in particular relates to a control method for suppressing frost formation of an air conditioner. 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 reduced or increased by the refrigerant passing through the circulation pipeline through high-pressure / low-pressure / gas / liquid state transitions, that is, from From the perspective of the indoor unit, the air conditioner is in cooling or heating mode. When the air conditioner is in heating operation, if the temperature of the outdoor coil is too low under certain humidity conditions, it will cause frosting, and the frosting of the outdoor coil will reduce the heat exchange efficiency of the outdoor heat exchanger and affect the cooling performance of the air conditioner. The thermal effect reduces the comfort of the in...
Claims
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IPC IPC(8): F24F11/42F24F11/64F24F11/61F24F11/65F25B47/02F24F140/20
CPCF25B47/022F25B2347/02F24F11/42F24F11/61F24F11/64F24F11/65F24F2140/20
Inventor 许文明罗荣邦
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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