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A control method, system and kitchen machine for improving motor efficiency

A technology of motor control and motor efficiency, applied in control systems, AC motor control, electrical components, etc., can solve problems such as low efficiency of SRM, and achieve the effects of improving efficiency, reducing heat generation, and reducing electromagnetic noise

Active Publication Date: 2020-06-23
SHENZHEN TOPBAND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a control method for improving motor efficiency, aiming to solve the problem of low efficiency in some speed ranges of SRM in the full speed range

Method used

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  • A control method, system and kitchen machine for improving motor efficiency
  • A control method, system and kitchen machine for improving motor efficiency
  • A control method, system and kitchen machine for improving motor efficiency

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] figure 1 The implementation flow of the control method for improving motor efficiency provided by Embodiment 1 of the present invention is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown. The detailed steps are as follows:

[0052] Step S11, obtaining a motor control command, the motor control command includes motor speed information;

[0053] Step S12, configuring the motor speed information as a first voltage value and a first angular position according to a preset motor control rule;

[0054] Step S13 , adjust the input voltage and angular position of the motor according to the first voltage value and the first angular position, so as to control the motor to operate according to the control instruction, and the input voltage of the motor is provided by the voltage output device.

[0055] In step S11, a motor control command is obtained, and the motor control command includes motor speed informati...

Embodiment 2

[0063] Such as figure 2 As shown, on the basis of Embodiment 1, step S31 of the present invention is specifically as follows:

[0064] Step S131, sending a voltage adjustment instruction to the voltage output device according to the first voltage value, and controlling the voltage output device to adjust the input voltage of the motor to the first voltage value according to the voltage adjustment instruction;

[0065] Step S132, according to the first angular position, send an angular position adjustment instruction to the motor, so as to adjust the angular position of the motor to the first angular position.

[0066] In step S131, a voltage adjustment instruction is sent to the voltage output device according to the first voltage value, and the voltage output device is controlled to adjust the input voltage of the motor to the first voltage value according to the voltage adjustment instruction.

[0067] In the embodiment of the present invention, the voltage output device i...

Embodiment 3

[0073] Such as image 3 Shown, on the basis of embodiment one, the present invention also includes:

[0074] Step S14, obtaining the load change information of the motor, and adjusting the input voltage and angular position of the motor according to the load change information, so as to control the motor to operate according to the control instruction.

[0075] In the embodiment of the present invention, the motor load of the SRM is monitored to determine whether the motor load is from light load to heavy load or from heavy load to light load, and when the motor load is monitored to change, the motor load change information is obtained , the motor load change information includes the motor load value, whether it is from light load to heavy load or from heavy load to light load. The load change of the motor will affect the operating efficiency of the motor. Therefore, according to the load change information, the input voltage and The angular position is adjusted to optimize t...

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Abstract

The invention is applicable to the technical field of motor control and provides a control method, system and a cook machine for improving motor efficiency. The method comprises: Getting a Motor Control Command, the motor control command includes motor speed information, according to a preset motor control rule, configuring the motor speed information a first voltage value and a first angular position, As a function of that first voltage value and the first angular position, adjusting The input voltage and the angle position of the motor to control the motor to run according to the control command, so as to improve the efficiency of the switched reluctance motor in the full speed range, especially the efficiency in the low speed region, and reduce the heat generation of the driving tube and the switched reluctance motor body, thereby reducing the electromagnetic noise of the switched reluctance motor.

Description

technical field [0001] The invention belongs to the technical field of motor control, and in particular relates to a control method, a system and a kitchen machine for improving motor efficiency. Background technique [0002] Switched Reluctance Motor (SRM for short) is a component that realizes energy conversion. It is a special motor with a high degree of mechatronics that was born with the development of power electronics technology and control technology in recent years. With its simple structure, low cost, high efficiency, excellent speed regulation performance and flexible controllability, SRM has been more and more recognized and applied by people. At present, it has been successfully applied in many fields such as electric vehicle drive system, household appliances, industrial application, servo system, high-speed drive, aerospace, etc., and has become the first choice for AC motor speed control system, DC motor speed control system and brushless DC motor speed contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P25/08
CPCH02P25/08
Inventor 李民
Owner SHENZHEN TOPBAND CO LTD