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Single-rotor compressor rotating speed control method

A single-rotor compressor and speed control technology, which is applied in pump control, mechanical equipment, machines/engines, etc., can solve the problems of unsatisfactory speed fluctuation suppression effect and compressor speed fluctuation, so as to achieve rapid suppression, reduce speed fluctuation, running smooth effect

Active Publication Date: 2019-03-12
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although there are methods for controlling 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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  • Single-rotor compressor rotating speed control method
  • Single-rotor compressor rotating speed control method
  • Single-rotor compressor rotating speed control method

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Embodiment Construction

[0026] 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.

[0027] figure 1 and figure 2 Partial flow charts of an embodiment of the method for controlling the rotational speed of a single-rotor compressor based on the present invention are respectively shown. Specifically, the rotation speed 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 two processes.

[0028] See fi...

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Abstract

The invention discloses a single-rotor compressor rotating speed control method. The single-rotor compressor rotating speed control method comprises the process of controlling a compressor according to the real-time angular speed and moment; the process of controlling the compressor according to the real-time angular speed comprises the steps of carrying out filtering on an axis error, and obtaining the angular speed compensation amount; compensating the angular speed compensation amount into the output angular speed of a phase-locked loop adjuster, and obtaining the compensated angular speedoutput amount; according to the compensated angular speed output amount, correcting the real-time angular speed, and according to the corrected real-time angular speed, controlling the compressor; the process of controlling the compressor according to the moment comprises the steps of calculating the difference between the target angular speed fluctuation amount and the compensated angular speedoutput amount, obtaining a first angular speed difference value; carrying out filtering on the first angular speed difference value, and obtaining a filtering angular speed; inputting the filtering angular speed into a velocity loop adjuster, and obtaining output torque; and according to the output torque, controlling the compressor. The compressor rotating speed fluctuation inhibition effectiveness can be improved.

Description

technical field [0001] The invention belongs to the technical field of motor control, and in particular relates to a compressor control technology, and more specifically relates to a method for controlling the rotational speed of a single-rotor compressor. Background technique [0002] When the single-rotor 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, which easily causes large speed fluctuations, and the compressor does not run smoothly. smooth. 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 especiall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C28/08F04C28/28
CPCF04C28/08F04C28/28F04C2270/0525
Inventor 史为品徐勤耀刘光朋苗建姚永祥许国景张新吕兴宇刘金龙董金盛刘聚科程永甫
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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