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Position fine-tuning structure of hall component of brushless DC motor

A brushless DC motor and component technology, which is applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve problems such as unusable, alignment, and motor failure to achieve optimal performance, so as to improve the pass rate and ensure consistency Effect

Inactive Publication Date: 2017-03-08
LANZHOU FLIGHT CONTROL
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: accurate alignment cannot be achieved by relying on the alignment scribe line, and the current structure cannot be fine-tuned, so that the position of the Hall element 4a on the Hall circuit board 4 cannot be accurately aligned with the winding position, so that the final assembled The motor does not perform optimally and cannot even be used

Method used

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  • Position fine-tuning structure of hall component of brushless DC motor
  • Position fine-tuning structure of hall component of brushless DC motor
  • Position fine-tuning structure of hall component of brushless DC motor

Examples

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Embodiment Construction

[0009] The present invention will be described in further detail below. see Figure 1 to Figure 3 , a fine-tuning structure for the position of the DC brushless motor Hall component, including a motor housing 1, a rear end cover 2 and a screw 3, and there are four screw holes evenly distributed along the circumference at the position of the rear end cover 2 close to the outer circumference , the rear end cover 2 is fixed on the rear end surface of the motor housing 1 by four screws 3, the Hall circuit board 4 is fixed on the inner surface of the rear end cover 2, and there are three on the Hall circuit board 4 Hall element 4a; characterized in that: the screw hole is an arc-shaped oblong hole 2a.

[0010] The working principle of the present invention is: use the motor power supply test box to supply power to the motor, the motor casing is basically aligned with the engraved line of the rear cover, measure the motor current, and then slightly rotate the rear end cover 2 to an...

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Abstract

The invention belongs to the field of motor structure designing and relates to a position fine-tuning structure of a hall component of a brushless DC motor. The position fine-tuning structure comprises a motor shell (1), a rear end cover (2) and a bolt (3), wherein the position fine-tuning structure is characterized in that a via hole of the bolt is an arc-shaped oblong hole (2a). According to the position fine-tuning structure of the hall component of the brushless DC motor provided by the invention, fine tuning of the hall component of the brushless DC motor is achieved; and the brushless DC motor achieves the best performance requirements. Meanwhile, the performance uniformity of the same type of brushless DC motors is ensured and the qualified rate of a product is improved.

Description

technical field [0001] The invention belongs to the field of motor structure design and relates to a position fine-tuning structure of a Hall component of a DC brushless motor. Background technique [0002] With the rapid development of brushless DC motor technology, the performance requirements for brushless DC motor technology are getting higher and higher, and the performance consistency requirements for the same type of brushless DC motor are also getting higher and higher, especially for a dual-redundancy machine. When two motors of the same model are used on the actuator at the same time, the requirements for the consistency of the speed and current of the two motors are more stringent. The rear end cover 2 of a current brushless DC motor has four screw holes distributed evenly along the circumference near the outer circumference, and the rear end cover 2 is fixed on the rear end surface of the motor housing 1 by four screws 3 Above, the Hall circuit board 4 is fixed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K29/08H02K11/215
CPCH02K29/08
Inventor 张振芳苏建强徐瑨何乃平高国旗
Owner LANZHOU FLIGHT CONTROL
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