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Forming method of electronic-type switch applied to direct-current brushless motor

A DC brushless motor and electronic technology, applied in the direction of electric switches, circuits, electrical components, etc., can solve the problems of softness, short life of electric switches, small finger movement range, etc., and achieve compact structure, low cost and wide range of motion small effect

Active Publication Date: 2014-06-11
ELRAD ELECTRONICS DONGGUAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the defects of the short life of the electric switch in the prior art, the present invention proposes a method for constituting an electronic switch of a brushless DC motor. In the present invention, only two fingers of one hand are used for starting, speed regulation, and forward and reverse rotation. It can be completed conveniently, and the range of motion of the fingers is very small, it is easy to control the accuracy of the operation, and the operation is very soft

Method used

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  • Forming method of electronic-type switch applied to direct-current brushless motor
  • Forming method of electronic-type switch applied to direct-current brushless motor
  • Forming method of electronic-type switch applied to direct-current brushless motor

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Embodiment Construction

[0088] Below in conjunction with the preferred embodiment shown in the accompanying drawings, the present invention will be further described in detail:

[0089] Implementation of an electronic switch applied to a DC brushless motor constitutes a method such as Picture 1-1 , Figure 2 to Figure 8 shown.

[0090] Method of the present invention comprises steps:

[0091] A. First, a housing is provided, and the housing is composed of a right housing 101 and a left housing 102; then the right housing 101 and the left housing 102 are provided to clamp a button main shaft 9 to slide up and down on the housing;

[0092] B. Next, the button spindle 9 is set to connect the spindle clamping part 93 inside the housing. The spindle clamping part 93 has a spindle clamping groove 96 and a spindle compression spring hole 94; the spindle compression spring hole 94 is provided to accommodate the spindle compression spring 6; Set the main shaft compression spring 6 to be set on the main sha...

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Abstract

The invention discloses a forming method of an electronic-type switch applied to a direct-current brushless motor. The method includes the step of arranging a shell, a button main shaft, a capacitor moving piece, a capacitor static piece or resistor strip film, an upper stirring rod and an elastic piece body. A ball is replaced by the elastic piece, the elastic piece freely moves in a sliding way of the elastic piece, and a reliable limiting device is arranged. A current metal contact is replaced by a variable capacitor or a resistor, the large work current of a motor as a start electric tool is indirectly controlled by a microswitch to not pass through a contact of the switch and reduce abrasion of the contact, and therefore the service life of the switch is prolonged. Because electronic drive is adopted, the overall working current of the switch is small. The electronic-type switch has the advantages that the electronic-type switch is easy and convenient to assemble, low in cost, wide in travel range, capable of being precisely adjusted, strong in reliability and long in service life, and an adjustor is good in handfeel.

Description

technical field [0001] The invention relates to an electric switch device, in particular to an electric switch device on a brushless direct current electric tool. Background technique [0002] In the prior art, the switches used on the electric tool are used to start the motor, to select the forward and reverse direction of the motor, and to adjust the rotational speed of the motor. When starting the motor, the switch needs to pass a large current, so the current switch starts the motor by mechanical contact with the metal contact point, and the contact point is mainly a silver-plated metal point. When the switch is opened or closed, it is easy to generate an arc, burn the switch, and shorten the life of the switch. . And the switch that has increased the speed regulating function has only increased the variable resistance adjustment on the original basis, and can't change the above shortcoming. [0003] The invention changes the traditional mode of switch starting electri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H11/00H01H13/14H01H13/20
Inventor 汤守利余朝黄英
Owner ELRAD ELECTRONICS DONGGUAN
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