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Fault judgment method, magnetic levitation compressor, air-conditioning unit and readable storage medium

A fault judgment and magnetic levitation technology, which is applied to compressors, machines/engines, refrigerators, etc., can solve problems such as controller control instability, avoid irreversible damage, avoid control instability, and improve processing speed.

Active Publication Date: 2020-11-27
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the magnetic levitation compressor, including the magnetic levitation rotor and the stator, when the magnetic levitation rotor rotates abnormally, it will cause the controller to lose stability

Method used

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  • Fault judgment method, magnetic levitation compressor, air-conditioning unit and readable storage medium
  • Fault judgment method, magnetic levitation compressor, air-conditioning unit and readable storage medium
  • Fault judgment method, magnetic levitation compressor, air-conditioning unit and readable storage medium

Examples

Experimental program
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Effect test

Embodiment 1

[0052] combine figure 1 and Figure 8 As shown, the embodiment of the first aspect of the present invention proposes a fault judgment method, the magnetic levitation compressor includes a rotor 100 and a position sensor 300, and the fault judgment method includes:

[0053] Step S102, detecting the movement signal of the rotor through the position sensor;

[0054] Step S104, in response to the motion signal, determine the motion state of the rotor.

[0055] The fault diagnosis method provided by the present invention is realized by receiving the motion signal sent by the position sensor 300. Specifically, the position sensor 300 can detect the detection part 200 on the rotor 100. When the position sensor 300 detects the detection part 200, that is When the detection part 200 on the rotor 100 rotates to one side of the position sensor 300, the position sensor 300 can output a kind of motion signal, when the position sensor 300 does not detect the detection part 200, the positi...

Embodiment 2

[0058] combine figure 2 and Figure 8 As shown, on the basis of the first embodiment, the position sensor 300 detects the detection part 200, the position sensor 300 outputs the first motion signal, the position sensor 300 does not detect the detection part 200, and the position sensor 300 outputs the second motion signal.

[0059] Fault judgment methods include:

[0060] Step S202, determining the first moment of acquiring the first motion signal;

[0061] Step S204, determining a second moment for acquiring a second motion signal;

[0062] Step S206, determine the motion state of the rotor according to the first moment and the second moment.

[0063] The step of determining the motion state of the rotor in response to the motion signal specifically includes: determining the first moment for obtaining the first motion signal; determining the second moment for obtaining the second motion signal; state of motion.

[0064] In this embodiment, the position sensor 300 can de...

Embodiment 3

[0066] combine image 3 and Figure 8 As shown, in a specific embodiment of the above-mentioned embodiment, the fault judgment method includes:

[0067] Step S302, determining the first time interval between the first moment and the second moment;

[0068]Step S304, according to the fact that the first time interval is less than the first preset value, it is determined that the rotor is in a rotating state;

[0069] Step S306, according to the fact that the rotor is in a rotating state and no induction signal that the rotor is in a levitation position is received, it is determined that the motion state of the rotor is an abnormal levitation state.

[0070] According to the first moment and the second moment, the step of determining the motion state of the rotor specifically includes: determining the first time interval between the first moment and the second moment; determining that the rotor is rotating according to the first time interval being less than the first preset v...

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Abstract

The invention provides a fault judgment method, a magnetic levitation compressor, an air-conditioning unit and a readable storage medium. The fault judgment method comprises the steps of detecting a movement signal of a rotor through a position sensor; and determining the movement state of the rotor in response to the movement signal. Different motion signals output by the position sensor can reflect whether the rotor starts to rotate or whether the rotation speed is normal, thereby determining in time whether the rotation state of the rotor is abnormal. When detecting that the rotation stateof the rotor is abnormal, the user can be promptly reminded to deal with the abnormal state to increase the processing speed of the abnormal state of the magnetic levitation compressor and avoid irreversible damage to the magnetic levitation compressor.

Description

technical field [0001] The invention belongs to the technical field of air-conditioning equipment, and in particular relates to a fault judgment method, a magnetic levitation compressor, an air-conditioning unit and a computer-readable storage medium. Background technique [0002] In the magnetic levitation compressor, including the magnetic levitation rotor and the stator, when the magnetic levitation rotor rotates abnormally, it will cause the control instability of the controller. Contents of the invention [0003] The present invention aims to solve one of the technical problems existing in the prior art or related art. [0004] In view of this, the first aspect of the present invention proposes a fault judgment method, the magnetic levitation compressor includes a rotor and a position sensor, and the fault judgment method includes: detecting the motion signal of the rotor through the position sensor; and determining the motion of the rotor in response to the motion si...

Claims

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Application Information

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IPC IPC(8): F04B51/00F25B31/00
CPCF04B51/00F25B31/00
Inventor 杨斌
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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