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Control Method of Speed ​​Fluctuation of Air Conditioner Compressor

A technology of compressor speed and control method, which is applied to machines/engines, heating and ventilation control systems, refrigerators, etc., can solve the problems of unsatisfactory speed fluctuation suppression effect, compressor speed fluctuation, etc., to improve the fluctuation suppression effect, Fast suppression, smooth running effect

Active Publication Date: 2021-07-23
CHONGQING HAIER AIR CONDITIONER CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although there are methods to control the speed of the compressor in the prior art, the effect of suppressing the fluctuation of the speed is not ideal, and the problem of the fluctuation of the speed of the compressor cannot be fundamentally solved.

Method used

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  • Control Method of Speed ​​Fluctuation of Air Conditioner Compressor
  • Control Method of Speed ​​Fluctuation of Air Conditioner Compressor
  • Control Method of Speed ​​Fluctuation of Air Conditioner Compressor

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] figure 1 and figure 2 Partial flow charts of an embodiment of the method for controlling the rotational speed fluctuation of an air conditioner compressor according to the present invention are respectively shown. Specifically, the rotation speed fluctuation control method of this embodiment includes two processes: one is the process of controlling the compressor according to the real-time angular velocity, the flow chart is as follows figure 1 Shown; one is the process of controlling the compressor according to the torque, the flow chart is as follows figure 2 shown. The following is based on figure 1 and figure 2 , while combining image 3 A control block diagram is shown, respectively describing the concrete realization of these ...

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Abstract

The invention discloses a method for controlling the rotation speed fluctuation of an air conditioner compressor, which includes the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; The angular velocity compensation amount obtains the compensated angular velocity output; corrects the real-time angular velocity and controls the compressor according to the compensated angular velocity output; the process of controlling the compressor according to the torque includes: calculating the target angular velocity fluctuation and the phase-locked loop regulator The difference between the output angular velocities to obtain the first angular velocity difference, and input the first angular velocity difference to the speed loop regulator to obtain the output torque; obtain the torque compensation amount according to the first angular velocity difference; according to the torque compensation amount and The output torque obtains the compensated output torque and controls the compressor. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

Description

technical field [0001] The invention belongs to the technical field of motor control, specifically relates to compressor control technology, and more specifically relates to a method for controlling rotation speed fluctuation of an air conditioner compressor. Background technique [0002] When the compressor used in the air conditioner is running, it is affected by the working principle and control technology of the air conditioner as a load, which makes the load torque of the compressor extremely unstable, easily causing large speed fluctuations, and the compressor is not running smoothly. The unstable operation of the compressor will lead to unstable operation of the entire air conditioner system, causing various adverse effects. Moreover, the unstable operation will also generate relatively large operating noise, which cannot meet the requirements of relevant noise standards and affect the comfort of the air conditioner. This phenomenon is especially serious in single-ro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B49/02F24F11/86F04C28/08F04C28/28
Inventor 史为品苗建徐勤耀寇秋莉张学敏
Owner CHONGQING HAIER AIR CONDITIONER CO LTD
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