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Method and device for protecting electric brush of power generator of vehicle

A technology for automotive generators and generators, which is applied in electromechanical devices, manufacturing motor generators, electrical components, etc., can solve problems such as brush protection, lack of product range, complex structure, etc., to reduce failure rates and reduce failures. efficiency, prolonging the service life

Active Publication Date: 2014-04-23
ZHUZHOU TORCH SPARK PLUG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Although the above-mentioned patents all involve the structure of the brushes, the second patent does not involve the protection of the brushes at all; although the first and fourth patents involve the protection of the brushes, it can be seen from the analysis that The sealing structure involved in the methods described in the two patents is completely different from the sealing structure involved in the method of the present invention, and has the aforementioned disadvantages of "complex structure and high cost"; the sealing structure involved in the method described in the third patent The structure and the sealing structure involved in the method of the present invention have some commonality in form, but the scope of its applicable products is completely outside the scope of products applicable to the method of the present invention

Method used

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  • Method and device for protecting electric brush of power generator of vehicle

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Embodiment 1

[0035] attached figure 1 Provided a specific embodiment of the present invention, from the appended figure 1 It can be seen that the present invention is a protection device for an automobile generator brush protection method, including an automobile generator rotor 9, a generator rear bearing 5, a generator rear end cover 2, a generator brush 3 and a generator brush box 1, and generates electricity. The rear bearing 5 is installed in the bearing seat of the generator rear end cover 2, the generator brush 3 is installed in the generator brush box 1, and the generator brush 3 is in contact with the slip ring 4 installed on the generator rotor; The bearing seat of the generator rear end cover 2 is a closed blind hole bearing seat, and the generator rear bearing 5 is installed in the closed blind hole bearing seat, so that the generator rear bearing 5 is isolated from the outside world; the generator brush box 1 The generator rear end cover 2 is fixed together by fasteners, and ...

Embodiment 2

[0039] The basic structure of the second embodiment is the same as that of the first embodiment, except that the dynamic sealing device is reversed; the disc-shaped return groove 10 is set on the wind deflector 8, and the protrusion is set on the collector ring body 6. The platform, the protrusion on the collector ring body 6 is inserted into the disc-shaped return-shaped groove 10 on the wind deflector 8 . This not only ensures the rotation of the rotor, but also dynamically prevents dust, muddy water or other small foreign matter from entering the airtight chamber from the gap between the wind deflector, the brush box and the collector ring.

[0040] Protection principle of the present invention is:

[0041] It can be seen from the accompanying drawings that the present invention makes the generator brush in a closed environment in the automobile generator through a combined airtight chamber; the wall thickness of the back cover is used to form an independent bearing chamber...

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Abstract

The invention discloses a method and a device for protecting an electric brush of a power generator of a vehicle. The electric brush of the power generator is arranged in a closed chamber, and the electric brush of the power generator is isolated from the external environment by the closed chamber to avoid the harmful influence on the electric brush, so that protection is implemented. The device is characterized in that the electric brush of the power generator is arranged in the closed chamber, that is, the electric brush of the power generator is arranged in the closed chamber which is formed by the matching of a rear end cover of the power generator, an electric brush box, a sealing pad, an air guide plate, a collector ring and a rotor shaft; the harmful damage to the electric brush of the power generator caused by dust, cement or other micro foreign matters in the external environment can be avoided to the maximal extent when the power generator works, so that the fault rate of the power generator is reduced, and the service life of the power generator is prolonged. Through the closed chamber formed through the assembly, the electric brush of the power generator is positioned in the closed environment in the power generator of the vehicle, and the service life of the electric brush of the power generator is prolonged.

Description

technical field [0001] The invention belongs to a method and a device for protecting automobile parts, in particular to a method and a device for protecting an automobile generator brush, which are mainly used for improving the protection level of the automobile generator brush and prolonging the service life of the automobile generator brush. Background technique [0002] Since the 1990s, with the rapid development of the automobile industry, its requirements for spare parts have become higher and stricter. Automobile alternator is a high-tech accessory on the automobile, and its performance and structure have been greatly improved compared with before; on this basis, the service life of the alternator has become a hard indicator to measure whether the technology and quality of the alternator are advanced. one. On the basis of ensuring the performance and not increasing the cost, optimizing the structure of the generator in order to prolong the service life of the brushes ...

Claims

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Application Information

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IPC IPC(8): H02K5/14H02K5/10H02K15/14
Inventor 肖小标
Owner ZHUZHOU TORCH SPARK PLUG CO LTD