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a small motor

A technology of small motors and casings, applied in the electronic field, can solve the problems of small motors without overvoltage protection, achieve the effects of low noise, stable speed, and extended life

Active Publication Date: 2019-02-19
ANHUI PROVINCE JINGDE COUNTY STAR ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a small motor to solve the above-mentioned problems

Method used

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Embodiment Construction

[0023] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments and accompanying drawings are used for a detailed description, as follows:

[0024] like figure 1 As shown, a small motor includes a rotor assembly; the rotor assembly includes a rotor core shaft 11 and a rotor winding 12 fixed on the rotor core shaft 11 . A commutator 13 and a piezoresistor 14 are sequentially fixed on the non-power output end of the rotor core shaft 11 , and the commutator 13 is located between the rotor winding 12 and the piezoresistor 14 . The wire ends of the rotor winding 12 are electrically connected to the connecting pins of the commutator 13 , and the connecting pins of the commutator 13 are electrically connected to the electrodes of the piezoresistor 14 .

[0025] Of course, the complete motor also includes a casing in which the stator assembly is fixed. The rotor assembly is fixe...

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Abstract

The invention provides a small monitor, which comprises a rotor assembly, wherein the rotor assembly comprises a rotor core shaft and a rotor winding; the rotor winding is fixed on the rotor core shaft; a commutator and a piezoresistor are sequentially fixed at a non-power output end of the rotor core shaft; the commutator is located between the rotor winding and the piezoresistor; a terminal of the rotor winding is electrically connected with a connection pin of the commutator; and the connection pin of the commutator is electrically connected with an electrode of the piezoresistor. Compared with the prior art, the piezoresistor is added to the small motor, so that the motor is stable in rotating speed, high in anti-interference performance and low in noise; and the piezoresistor plays a role in protecting the motor and prolongs the lifetime of the motor. Meanwhile, compared with an ordinary resistor, a strontium carbonate piezoresistor is better in performance and better in rotating speed stability of the motor.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a small motor. Background technique [0002] With the development of society and the progress of science and technology, small motors have penetrated into daily life. Due to the appearance of small motors, some small electronic devices have been produced, which has brought great convenience to our lives. [0003] However, today's small motors usually do not have overvoltage protection. When the voltage is too high, it is easy to burn the motor. That's why the gadgets we use every day often break down. [0004] Due to the small size of the varistor used in the small motor, the area of ​​the electrode is smaller, and the welding point deviation often occurs during the welding process, resulting in poor performance of the motor. Contents of the invention [0005] The object of the present invention is to solve the defect of no overvoltage protection for small and medium-siz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/22H02K5/16H02K5/14H02K13/06
CPCH02K1/22H02K5/143H02K5/16H02K13/06H02K2213/03
Inventor 罗小政
Owner ANHUI PROVINCE JINGDE COUNTY STAR ELECTRONICS TECH CO LTD