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Automobile alternator brush holder and manufacturing method thereof

A technology for automobile generators and capacitors, which is applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve problems such as faults and electrical intrusion of conductive media, and achieve the effect of preventing abnormal intrusion and stable and durable performance

Active Publication Date: 2018-01-02
FUYANG DUOBAO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides an automobile generator brush holder in which the non-set exposed parts of the metal circuit board are not exposed and its manufacturing method, which solves the problem that the metal circuit board of the existing automobile engine brush holder is exposed even if it is not set to be exposed. The problem of electrical failure caused by the invasion of conductive media

Method used

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  • Automobile alternator brush holder and manufacturing method thereof
  • Automobile alternator brush holder and manufacturing method thereof
  • Automobile alternator brush holder and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment one, see Figure 4 A brush holder for an automobile generator, comprising a metal circuit board 1 , an injection molded shell 2 , a capacitor 3 and a resistor 4 . The injection molding shell 2 is injection molded on the surface of the metal circuit board 1 . The injection molded housing 2 is provided with a mounting window 21 . The resistor 4 is completely wrapped by the injection molded housing 2 . Capacitor 3 is partly wrapped by injection molded casing 2 .

[0027] see figure 1 , the metal wiring board 1 includes disconnections between each other ( figure 1 The various parts of the metal circuit board are not yet broken) the first part 11, the second part 12, the third part 13, the fourth part 14, the fifth part 15, the sixth part 16, the seventh part 17 and the Eight Part 18.

[0028] The second part 12 is located in the space enclosed by the first part 11 , the third part 13 and the fifth part 15 . One end of the third part 13 is located between o...

Embodiment 2

[0038] The difference between the second embodiment and the first embodiment is that the metal circuit board 1 is provided with a sliding hole 6 . A slide block 61 is slidably connected in the slide hole 6 . The slider 61 is a metal structure. Both the melting point of the slider 61 and the metal circuit board 1 are higher than the melting point of the injection molded housing 2 . The sliding block 61 is sealingly connected to the sliding hole 6 to form a sealing section 62 in the sliding hole 6 . The sealing section 62 is filled with combustible powder of explosive concentration, and the combustible powder is corn flour. A spring 63 is provided inside the sealing section 62 to drive the slider to move outward. In the initial state, the slider 61 is flush with the outer end of the sliding hole 6 or protrudes beyond the outer end of the sliding hole. The injection molded housing 1 is provided with a connection pin 64 that is injection molded and connected to the outer end o...

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PUM

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Abstract

The invention relates to an automobile engine, and discloses an automobile generator brush holder and a manufacturing method thereof. The automobile generator brush holder comprises a metal circuit board and an injection-molded housing injection-molded at the surface of the metal circuit board, wherein the metal circuit board comprises a first portion, a second portion, a third portion, a fourth portion, a fifth portion, a sixth portion, a seventh portion and an eighth portion which are broken from one another, only exposed positions of the first portion, the second portion, the third portion, the fourth portion, the fifth portion, the sixth portion, the seventh portion and the eighth portion are set to be exposed outside the injection-molded housing, and other portions are completely wrapped by the injection-molded housing. According to the automobile generator brush holder and the manufacturing method thereof, the portions, which are not set to be exposed, of the metal circuit board are not exposed, such that the problem of electrical faults caused by penetration of conductive media due to an exposure phenomenon even in case of non-set exposure in the metal circuit board of a conventional automobile generator brush holder is solved.

Description

technical field [0001] The invention relates to an automobile generator, in particular to an automobile generator brush holder and a manufacturing method thereof. Background technique [0002] The existing automobile generator brush holder assembly includes a brush holder and a regulator connected to the brush holder. The brush holder includes a metal circuit board and an injection molded shell injected on the surface of the metal circuit board. The injection molded shell is provided with a mounting window, and the metal circuit board Consists of a first part, a second part, a third part, a fourth part, a fifth part, a sixth part, a seventh part and an eighth part disconnected from each other, the first part, the third part, the fourth part, the fifth Parts, the sixth part, the seventh part and the eighth part are all provided with electrical connection parts exposed to the installation window, the regulator is provided with a resistor and a capacitor, the resistor connects ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K5/14B29C45/14B29C45/16
CPCB29C45/1418B29C45/14336B29C45/1671H02K5/14
Inventor 倪鑫根
Owner FUYANG DUOBAO ELECTRONICS