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Modular interfaces, protective devices against transient overvoltages including such modular interfaces and electrical components with automatic protection against transient overvoltages

A protection device and modular technology, applied in the field of lightning arresters, can solve problems such as short circuits and dangers

Active Publication Date: 2017-04-12
LEGRAND SNC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] When a varistor reaches the end of its life, it becomes dangerous due to its risk of overheating and causing a short circuit

Method used

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  • Modular interfaces, protective devices against transient overvoltages including such modular interfaces and electrical components with automatic protection against transient overvoltages
  • Modular interfaces, protective devices against transient overvoltages including such modular interfaces and electrical components with automatic protection against transient overvoltages
  • Modular interfaces, protective devices against transient overvoltages including such modular interfaces and electrical components with automatic protection against transient overvoltages

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0163] When the user should replace one of the arrester housings 330 - which is in default operation because its varistor 333 has aged and exceeded its thermal capacity (which has broken the circuit by the intermediary of the thermal disconnection device), the user opens the circuit breaker 200 circuit, and lower the joystick 230 to actuate the lever. This causes the plate portion 131 of the first safety mechanical member 130 around the axis A1 to switch from its cocked position to the disconnected position. According to the first embodiment of the housing lock shaft, the plate 131 is driven to rotate via the wall 137 of the push wing 181, the wing 182 of the transmission member 180 pushes the end 192 of the housing lock shaft 190 to move the The shaft 190 switches from its safe position to an approached position against the action of the spring wire 193 of the body. When the housing lock shaft 190 is switched, the short column 190 slides against the inclined surface 334A of ...

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PUM

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Abstract

The invention relates to an interconnection interface (100) of a circuit breaker and a lightning arrester, which interface includes: a switch (110) connected to a connector (120) capable of transmitting signals representing the operating status of the circuit breaker and / or arrester; A mechanical member (130) connected to the circuit breaker, the mechanical member being movable between a raised position and a disconnected position respectively corresponding to the engaged and disconnected states of the circuit breaker, the mechanical member being actuated in the disconnected position The circuit breaker. According to the invention, the interface includes a further mechanical component (140) connected to the surge arrester, which further mechanical component is movable between a rest position and a disconnected position corresponding to the normal operating and default setting states of the surge arrester, the further mechanical component being A mechanical member is placed in the path of the first member in the open position and actuates the circuit breaker.

Description

technical field [0001] The present invention relates generally to the field of lightning arresters. [0002] More specifically, the invention relates to a modular interface to ensure the mechanical and electrical connection in series of circuit breakers and transient overvoltage protection devices, especially of atmospheric (air) origin. [0003] More specifically, the modular interfaces involved in the present invention include: [0004] - an electric switch connected to a connector capable of transmitting a signal indicative of the operating state of the circuit breaker and / or protective device, and [0005] - a first safety mechanical part, which is intended to be coupled to the opening (opening) and closing (connecting) device of the circuit breaker, capable of being in a tripped position corresponding to the engaged state of the opening and closing device of the circuit breaker and in relation to The open position of the circuit breaker is moved between an open position...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H83/10H01H71/04H02H9/04
CPCH01H83/10
Inventor G·拉塞
Owner LEGRAND SNC