Compressor stop control method and air conditioning equipment
A control method and compressor technology, applied in the field of air conditioning equipment and compressor shutdown control, can solve the problems of device impact, high bus voltage, life damage, etc., and achieve the effect of protection from damage
Active Publication Date: 2022-03-11
TCL AIR CONDITIONER ZHONGSHAN CO LTD
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Problems solved by technology
In this way, every time the high-efficiency compressor stops when it is working at high frequency, it will cause the overvoltage protection of the busbar, and the frequent overvoltage protection of the busbar will also cause impact on the components on the air conditioning control board, resulting in damage to the service life
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[0053] The present invention provides a compressor shutdown control method and air-conditioning equipment. In order to make the purpose, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0054] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, compone...
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The invention discloses a method for controlling the shutdown of a compressor and an air conditioner. The method includes: acquiring the operating frequency corresponding to the shutdown command when receiving the shutdown command; if the operating frequency is greater than a preset frequency, acquiring the The target bus voltage corresponding to the stop command; the compressor is controlled to stop according to the target bus voltage. In the present invention, after receiving the shutdown command, the compressor will not be stopped immediately, but the compressor will be stopped according to the operating frequency corresponding to the shutdown command and the target bus voltage, so as to avoid triggering the bus voltage overvoltage protection when the compressor stops at high frequency, and protect other The device is not damaged and does not affect the normal use of other functions.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to a compressor stop control method and air conditioning equipment. Background technique [0002] With the promulgation of new national energy efficiency standards, all air-conditioning manufacturers use high-energy-efficiency compressors to obtain higher energy efficiency. The permanent magnet coils used by high-energy-efficiency compressors are different from ordinary compressors. The counter electromotive force is relatively high, and the counter electromotive force of the high-energy-efficiency compressor is relatively high when it stops working at high frequency. The high counter electromotive force will affect the operation of the components on the air conditioning control board. [0003] At present, in order to protect the devices on the air conditioner control board from the impact of high back electromotive force, the bus voltage overvoltage protection will be set....
Claims
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IPC IPC(8): F24F11/64F24F11/86F24F11/54F24F11/58F24F11/52F24F11/61F24F140/50
CPCF24F11/64F24F11/86F24F11/54F24F11/58F24F11/52F24F11/61F24F2140/50
Inventor 刘湘张琴兰胡作平徐经碧朱松伟
Owner TCL AIR CONDITIONER ZHONGSHAN CO LTD