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Air conditioner compressor rotating speed control method and device

An air-conditioning compressor and speed control technology, which is applied in refrigeration and liquefaction, space heating and ventilation, heating and ventilation control systems, etc., can solve the problems of compressor speed fluctuations and unsatisfactory fluctuation suppression effects, and reduce the speed The effect of fluctuation and stable operation

Active Publication Date: 2019-05-07
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the prior art also has a method of controlling the speed of the compressor to suppress the fluctuation of the speed of the compressor, the fluctuation suppression effect is not ideal enough to fundamentally solve the problem of the fluctuation of the speed of the compressor

Method used

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  • Air conditioner compressor rotating speed control method and device
  • Air conditioner compressor rotating speed control method and device
  • Air conditioner compressor rotating speed control method and device

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Embodiment Construction

[0050] 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.

[0051] See figure 1 , which is a flow chart of an embodiment of the method for controlling the rotational speed of an air conditioner compressor according to the present invention.

[0052] Such as figure 1 shown, combined with figure 2 A control block diagram is shown, and this embodiment adopts the process that comprises the following steps to realize the speed control of the air conditioner compressor:

[0053] Step 11: Obtain the output angular velocity of the phase-locked loop regulator for compressor speed control, calculate the difference between the target angular velocity fluctuation and the output angular velocity of the phase-locked loop regulator, and obtain the first angular velocity difference.

[0054] In compressor control, the ...

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Abstract

The invention discloses an air conditioner compressor rotating speed control method and device. The air conditioner compressor rotating speed control method comprises the steps that the output angularspeed of a phase-locked loop regulator is acquired, and the difference between the target angular speed fluctuation quantity and the output angular speed of the phase-locked loop regulator is calculated, so that a first angular speed difference is obtained; the first angular speed difference is inputted into a speed loop regulator in a speed loop by serving as the input quantity, so that the output torque of the speed loop regulator is obtained; the torque compensation is carried out on the basis of the first angular speed difference, so that the torque compensation quantity corresponding tothe part of angular speed fluctuation in the first angular speed difference is obtained; the torque compensation quantity compensates for the output torque of the speed loop regulator, so that the compensated output torque is obtained; and an air conditioner compressor is controlled according to the compensated output torque. By use of the air conditioner compressor rotating speed control method and device, the effectiveness of suppression of the rotating speed fluctuation of the air conditioner compressor can be improved.

Description

technical field [0001] The invention belongs to the technical field of air-conditioning control, in particular, relates to the control technology of an air-conditioning compressor, and more specifically, relates to a method and a device for controlling the speed of an air-conditioning compressor. Background technique [0002] When the compressor used in the existing air conditioner is running, it is affected by the working principle and control technology of the air conditioner itself 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 conditione...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B49/02F24F11/86F04C28/08F04C28/28
Inventor 史为品许国景赵晓明刘聚科程永甫
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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