Brushless DC motor

A brush DC motor and housing technology, applied in the field of brushless DC motors, can solve problems such as noise impact and heat damage, and achieve the effects of ensuring stability, reducing friction, and reducing noise

Inactive Publication Date: 2019-08-23
宁波青缇工业设计有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a brushless DC motor, which has the advantages of good noise reduction and heat dissipation effect, and solves the problem that the current brushless DC motor still ha

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[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] see Figure 1-4 , a brushless DC motor, including a casing 1 and a drive shaft 2 arranged inside, a rotor 3 is arranged on the surface of the drive shaft 2, a permanent magnet 4 is arranged on the outer side of the rotor 3, and a three-phase stator 5 is arranged on the outer side of the permanent magnet 4 , the outside of the three-phase stator 5 is provided with a sound insulation board 6, the outside of the sound insulation b...

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Abstract

The invention discloses a brushless DC motor, which comprises a casing and a driving shaft arranged inside the casing, wherein the surface of the driving shaft is provided with a rotor, the outer sideof the rotor is provided with a permanent magnet, the outer side of the permanent magnet is provided with a three-phase stator, the outer side of the three-phase stator is provided with a sound insulation plate, the outer side of the sound insulation plate is coated with a graphene coating, and the graphene coating is bonded and connected with a sound absorbing strip at the side away from the sound insulation plate. The brushless DC motor solves the problems that the noise produced in operation affects the outside world and the generated heat damages the motor itself due to the deficiencies on the aspects of noise control and heat dissipation of the brushless DC motor at present through setting the sound insulation plate, the graphene coating, the sound absorbing strip, a heat conductingfilm, a foamed aluminum plate, a heat conducting gasket, noise reduction pipes, sliding rods, arc-shaped plates, compression springs, a Hall sensor, an external cover and a fan. The brushless DC motorhas the advantages of noise reduction and good heat dissipation effect.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a brushless DC motor. Background technique [0002] The permanent magnet brushless motor system is an electrical transmission control system with the motor as the control object, the controller as the core, and the power electronic power conversion device as the actuator. With the development of motor technology, control theory, digital pulse width modulation technology, new materials With the advancement of technology, microelectronics technology and modern control technology, the servo system has experienced the development process from stepper servo to DC servo, and then to permanent magnet brushless motor servo system. It has now become the mainstream direction of motor control technology. With the increase of the quantity, the requirements for the performance and service life of the permanent magnet brushless motor are also getting higher and higher. [0003] However, the cu...

Claims

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Application Information

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IPC IPC(8): H02K5/10H02K5/18H02K5/20H02K5/24H02K9/06
CPCH02K5/10H02K5/18H02K5/20H02K5/24H02K9/06
Inventor 赵艳朱婷
Owner 宁波青缇工业设计有限公司
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