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Temperature control method and device for brushless DC motor driver

A temperature control method and technology of a temperature control device, which are applied in the field of electric motors, can solve the problems of reducing the reliability of the brushless DC motor system and shortening the service life of the motor, and achieve the effects of prolonging the continuous running time, prolonging the service life, and enhancing reliability

Active Publication Date: 2019-03-15
GUANGDONG WELLING ELECTRIC MACHINE MFG
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AI Technical Summary

Problems solved by technology

[0004] However, the frequent start / stop of the motor will shorten the service life of the motor, thereby reducing the reliability of the brushless DC motor system

Method used

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  • Temperature control method and device for brushless DC motor driver
  • Temperature control method and device for brushless DC motor driver
  • Temperature control method and device for brushless DC motor driver

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0047] The invention proposes a temperature control method for a brushless DC motor driver. The brushless DC motor driver includes power devices.

[0048] refer to figure 1 , in one embodiment, the temperature control method of the brushless DC motor driver includes:

[0049] S100: the temperature sensor obtains the temperature of the detected power device;

[0050] It should be noted that during the operation of the brushless DC motor, compared wi...

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Abstract

The invention discloses a temperature control method and a device for a brushless DC motor driver. The temperature control method for the brushless DC motor driver comprises steps: a temperature sensor acquires the temperature of a detected power device; when the acquired temperature of the detected power device is in a preset temperature range, a corresponding rotation speed adjustment amount is acquired according to the temperature of the power device; and according to the rotation speed adjustment amount, the operating speed of the brushless DC motor is adjusted, and the brushless DC motor is controlled to operate according to the adjusted speed. The technical scheme of the invention can improve the reliability of the brushless DC motor system.

Description

technical field [0001] The invention relates to the field of motors, in particular to a temperature control method and device for a brushless DC motor driver. Background technique [0002] The driver of the brushless DC motor mainly includes control chips, power devices and communication interfaces. When the motor runs at high speed or the ambient temperature is abnormal, it is easy to cause the power device to burn out due to overheating. [0003] In order to solve the above problems, a temperature control device is mostly configured in the brushless DC motor system. The existing temperature control device includes a temperature detection module and a motor start / stop control module. When the temperature detection module detects that the temperature of the power device is lower than the protection temperature, the motor start / stop control module controls the operation of the motor; when the temperature detection module detects that the power When the temperature of the de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/08H02H7/085
CPCH02H7/0811H02H7/0822H02H7/0852
Inventor 欧景云李忠慧
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG
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