Rotating contact electric arc experimental device

An experimental device and a technology of rotating contacts, which are used in testing dielectric strength, circuit breaker testing, etc., can solve the problem of not being able to study the influence of contact rotation on arcs, etc., and achieve adjustable breaking speed, high test efficiency, and reliability. The effect of effective operation

Active Publication Date: 2018-06-12
华珑(沈阳)数字科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the defects existing in the prior art, and provides a rotary contact arc experimental device, which solves the problem that the existing arc research devices in the field of contactor arc research cannot study the influence of contact rotation on the arc. The moving contact of the head arc experiment device can adjust the rotation angle according to the demand, the contact can be replaced, the breaking speed is adjustable, the overtravel size is adjustable, the arc shape and the experimental data are easy to observe, and it provides a testable contact rotation for the arc theory research. Reliable, effective and easy-to-operate miniaturized experimental device for the influence of electric arc

Method used

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  • Rotating contact electric arc experimental device
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Embodiment Construction

[0034] like Figure 1-7As shown, the present invention includes an operating mechanism 5 and an arc extinguishing chamber assembly 4; the operating mechanism 5 operates the moving contacts in the arc extinguishing chamber assembly 4 to perform linear motion and rotation. The moving contact assembly 7 can linearly move and rotate along the axial direction of the moving contact 27 .

[0035] Preferably, the base 6 is also included; the operating structure and the arc extinguishing chamber assembly 4 are both arranged on the base 6 .

[0036] Preferably, a terminal block 3 is also included, and the terminal block 3 is rigidly connected to the base 6 through the insulating support 2; holes are left on the terminal block 3 for connecting main circuit wires and sensor wires.

[0037] Preferably, the operating mechanism 5 includes the moving contact assembly 7, the swing arm assembly 12, the second guide seat assembly 16, the cylinder seat 20, the linear guide rail seat 22 arranged ...

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Abstract

The invention belongs to a rotating contact electric arc experimental device, and particularly relates to an experimental device for testing the impact of rotation of a contact on an electric arc in the switch-on-off operation. The reliable and effective small-scale easy-to-operate experimental device for testing the impact of rotation of the contact on the electric arc is provided for electric arc theory research. The experimental device comprises an operating mechanism and an arc extinguishing chamber assembly. The experimental device is characterized in that the operating mechanism drives the movable contact in the arc extinguishing chamber assembly to perform linear motion and rotation.

Description

technical field [0001] The invention belongs to a rotary contact arc experimental device, in particular to an experimental device for testing the influence of contact rotation on electric arc during opening and closing. Background technique [0002] In recent years, the power distribution system has developed rapidly. As a key device in power equipment, the AC-DC switch has become a research hotspot. The AC-DC contactor has been used in the military and the national economy (such as space shuttles and electric vehicles), and is an indispensable basic component. one. At present, the existing arc experimental devices are only for comparative experiments of factors such as arc extinguishing medium, gas pressure, breaking speed and magnetic field, and cannot be used for experiments on the influence of contact rotation on arc. In the field of arc research, the experimental basis for the influence of contact rotation on arc is lacking. Therefore, it is very necessary to design a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01R31/327
CPCG01R31/12G01R31/327
Inventor 侯春光杨春阳付思曹云东
Owner 华珑(沈阳)数字科技有限公司
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