Parameter simulation platform for bridge-type DC contactor

A DC contactor and simulation platform technology, which is applied in the direction of circuit breaker testing, etc., can solve the problems of no bridge contact structure experiment platform, non-continuous control access and analysis, single research influencing factors, etc., to facilitate high-speed camera , easy to observe, and high test efficiency

Inactive Publication Date: 2017-10-20
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Relevant institutions at home and abroad have developed arc experimental devices, but most of them are only two copper rod electrodes, there is no corresponding bridge contact structure experimental platform, and the existing experimental devices are bulky, cumbersome, and the research factors are single , cannot continuously control, access and analyze experimental data

Method used

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  • Parameter simulation platform for bridge-type DC contactor
  • Parameter simulation platform for bridge-type DC contactor
  • Parameter simulation platform for bridge-type DC contactor

Examples

Experimental program
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Embodiment Construction

[0036] Such as Figure 1-7As shown, the present invention includes an arc extinguishing chamber unit and a pneumatic drive unit (the mechanical structure of the application); the arc extinguishing chamber unit includes an arc extinguishing chamber body, a static contact and a moving contact assembly located in the arc extinguishing chamber body; The arc extinguishing chamber unit is connected with a pneumatic driving unit, and the pneumatic driving unit drives the moving contact assembly to open or close the static contact; the arc extinguishing chamber unit and the pneumatic driving unit are both connected with a control system.

[0037] Preferably, both the arc extinguishing chamber unit and the pneumatic drive unit are arranged on a base and are detachably connected to the base.

[0038] Preferably, the arc extinguishing chamber body includes a closed and visible arc extinguishing gas cavity formed by the front end cover, the rear end cover and the outer wall of quartz glas...

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Abstract

The objective of the invention lies in providing a small-size arc experiment platform which is high in testing efficiency, is reliable in testing result, is easy to operate and is convenient for the data storage and analysis. The platform provides reliable experiment data for influence factors (such as arc-extinguishing mediums, air pressure, cut-off speed and a magnetic field) in the arc research process of the bridge-type DC contactor. The invention relates to an experiment device for simulating contact switching-off arc of the bridge-type DC contactor, and especially relates to a parameter simulation platform for the bridge-type DC contactor. The platform comprises an arc-extinguishing chamber unit and a pneumatic drive unit. The arc-extinguishing chamber unit comprises an arc-extinguishing chamber body, a static contact located in the arc-extinguishing chamber body, and a movable contact assembly. The arc-extinguishing chamber unit is connected with the pneumatic drive unit, and the pneumatic drive unit drives the movable contact assembly to achieve the connection or disconnection with a static contact. The arc-extinguishing chamber unit and the pneumatic drive unit are respectively connected with a control system.

Description

technical field [0001] The invention relates to an experimental device for simulating the breaking arc of a bridge-type DC contactor, in particular to a bridge-type DC contactor parameter simulation platform. Background technique [0002] In recent years, the DC power distribution system has developed rapidly. As a key device in power equipment, DC switches have become a research hotspot. Bridge-type DC contactors have been used in military and national economies (such as space shuttles and electric vehicles) and are indispensable basic components. One of the elements. Since arc calculation requires multi-field coupling problems, it is difficult to solve and verify the results. There are many factors that affect the arc combustion of bridge DC contactors, such as arc extinguishing medium, gas pressure, breaking speed and magnetic field, etc. Therefore, it is required that the experiment can meet multiple factors and be easy to operate, continuously controllable, and easy to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
CPCG01R31/327
Inventor 侯春光韩颖尚文祥冯维琦杨春阳
Owner SHENYANG POLYTECHNIC UNIV
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