Frequency conversion air conditioner control method and device and frequency conversion air conditioner
A technology of frequency conversion air conditioner and control method, which is applied in the fields of noise suppression, space heating and ventilation, heating and ventilation control system, etc., and can solve the problem of unstable operation process of air conditioner compressor, failure of normal operation of air conditioner compressor, compressor Unstable operation and other problems, to achieve the effect of fine control, high torque output, and reduced starting current
Active Publication Date: 2020-10-30
WUHAN HAIER ELECTRONICS CO LTD +2
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Problems solved by technology
[0003] The air-conditioning compressor of the existing air conditioner will resonate with the casing, motor, pipeline, etc. when running at certain frequencies, resulting in poor noise and excessive pipeline stress
When the air conditioner is protected and released, it should run slowly to stabilize the system. However, depending on the outdoor and external working conditions, the operating load of the indoor unit is different. For some special cases, the operation process of the air conditioner compressor will be unstable. As a result, the air conditioner compressor may not operate normally, resulting in unstable operation of the compressor
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[0031] In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.
[0032] see in conjunction figure 1 As shown, the embodiment of the present disclosure provides a control method for an inverter air conditioner, including:
[0033] S1. Determine the target frequency f of the air ...
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The invention relates to a frequency conversion air conditioner control method and device and a frequency conversion air conditioner. The frequency conversion air conditioner control method comprisesthe steps that target frequency f of running of the air conditioner is determined according to the temperature Tao of the outdoor environment; and the relation between the target frequency f and the winding demarcation point frequency f4 of an electric motor of an air conditioner compressor is judged, the motor winding mode and an oil return pause strategy of the air conditioner are determined according to the relation between the target frequency f and the winding demarcation point frequency f4, and an oil return pause platform is inserted one time in the process of adjusting the air conditioner frequency to the target frequency f from the winding demarcation point frequency f4. According to the frequency conversion air conditioner control method, the target frequency f of the air conditioner can be combined with state switching of a coil winding and air conditioner oil return control to achieve precise control over the running of the air conditioner, and the running energy efficiencyof the air conditioner can be improved.
Description
technical field [0001] The present application relates to the technical field of air conditioning, for example, relates to a control method, a control device and an inverter air conditioner. Background technique [0002] At present, with the development of the economy and the improvement of living standards, people have a higher demand for inverter air conditioners with better comfort adjustment and energy saving. [0003] The air-conditioning compressor of the existing air conditioner will resonate with the shell, the motor, the pipeline, etc. when running at certain frequencies, resulting in poor noise and excessive pipeline stress. When the air conditioner is protected and released, it should run slowly to stabilize the system. However, depending on the outdoor and external working conditions, the operating load of the indoor unit is different. For some special cases, the operation process of the air conditioner compressor will be unstable. As a result, the air condition...
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IPC IPC(8): F24F11/64F24F11/30F24F11/86F24F13/24F24F110/12
CPCF24F11/64F24F11/30F24F11/86F24F13/24F24F2110/12F24F2013/247
Inventor 罗荣邦许文明
Owner WUHAN HAIER ELECTRONICS CO LTD
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