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Modular contact component and large transmission slip ring contact device based on component

A contact assembly and contact device technology, applied in the direction of circuits, current collectors, electrical components, etc., can solve the problems of limited current transmission capacity, poor anti-vibration performance, and low reliability of a single contact, and achieve simplified installation and debugging. Maintaining the process, increasing overall reliability, and ensuring consistency

Pending Publication Date: 2018-06-29
扬州海通电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The contact devices of existing slip rings are mostly in the form of brushes or reed contacts, which have relatively short service life, limited current transmission capacity of a single contact, poor anti-vibration performance and low reliability, and cannot meet the needs of high-power electric energy. Transmission requirements for electrical load capacity of contact devices

Method used

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  • Modular contact component and large transmission slip ring contact device based on component
  • Modular contact component and large transmission slip ring contact device based on component
  • Modular contact component and large transmission slip ring contact device based on component

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 , 3 , 4 and 5, the modular contact assembly includes four movable contacts 4, a contact guide seat 5, four elastic elements 6, a baffle 7, a fastener 8, and four wires 9, The movable contact 4 is composed of a precious metal contact 10, a guide rod 11 and a conductive core 16, wherein the precious metal contact 10 is located at one end of the guide rod 11, and the conductive core 16 is located inside the guide rod 11 and is directly connected to the precious metal contact 10. The guide rod 11 is a conductive and wear-resistant material. The cylindrical shape design reduces the volume and mass of the movable contact. In this way, the impact of vibration on the movable contact is reduced under the same elastic pressing force. And in the case of ensuring a certain resonance frequency of the movable contact 4, an elastic element with a small elastic coefficient can be selected to ensure that the movable contact 4 is under radial runout caused by the form and ...

Embodiment 2

[0026] In the second embodiment, on the basis of the first embodiment, the tail end of the guide rod 11 is designed as a waist-shaped cross-section rod 14, and the contact fixing hole 15 of the baffle 7 is designed as a waist-shaped hole, which cooperate with each other to better limit the movable contact. Point 4 is the degree of freedom to rotate in the axial direction. The waist hole 15 can be equipped with gaskets of different thicknesses to adjust the compression of the elastic element to adjust the pre-tightening force.

Embodiment 3

[0028] In Embodiment 3, on the basis of Embodiment 1 or 2, the precious metal contact 10 is designed as a hemispherical stamped part with a flat end surface 13 on the top.

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Abstract

The invention discloses a modular contact component which comprises a movable contact, a contact guide seat, an elastic component, a baffle, a fastener and a wire, wherein the movable contact comprises a precious metal contact, a guide rod and a conductive core; the precious metal contact is arranged at one end of the guide rod, and the other end of the guide rod is connected with the wire; the conductive core is arranged inside the guide rod; the conductive core is connected with the precious metal contact; a step is formed in the middle of the guide rod; a guide hole is formed in the contactguide seat; a contact fixing hole is formed in the baffle; the tail end of the guide rod is nested into the elastic component and then fixed in the contact fixing hole of the baffle; the elastic component is positioned between the step and the baffle; the other end of the guide rod penetrates through the guide hole of the contact guide seat; and the baffle is fixed with the contact guide seat byvirtue of the fastener. According to the modular contact component disclosed by the invention, after the elastic contact device is assembled and adjusted, the modular contact component is wholly mounted onto a slip ring main body structure, so that the contact pressure consistency, reliability and assembling manufacturability of the contact are increased, and losses of electric energy transmissionat the contact part are reduced.

Description

Technical field [0001] The invention relates to a large power transmission slip ring, in particular to a modular contact assembly and a large power transmission slip ring contact device based on the assembly. Background technique [0002] Large-scale power transmission slip ring is the largest power slip ring manufactured in China. It is the core equipment used in single-point mooring system power transmission. Currently, the countries engaged in power slip ring development are mainly concentrated in several developed countries in Europe and America. The research and development is also in its infancy in the international market, and for the domestic market, it is still blank. [0003] The slip ring contact device is a key transition device for the transmission of electrical energy from the moving ring to the static ring. The rationality of its structural design directly determines the reliability and durability of the slip ring’s power transmission, and also affects the assembly a...

Claims

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Application Information

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IPC IPC(8): H01R39/20H01R39/26H01R39/38H01R39/39
CPCH01R39/20H01R39/26H01R39/381H01R39/39
Inventor 俞力峰朱刚陈竞飞邹天恺
Owner 扬州海通电子科技有限公司
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