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Invertible circuit break device

A technology of circuit breaker and overvoltage protection device, applied in circuit devices, emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, etc., can solve damage, driving function danger, circuit function damage, etc. question

Inactive Publication Date: 2014-08-20
PHOENIX CONTACT GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a subsequent current occurs now, the low impedance will be a danger to the drive function, this short circuit can lead to permanent damage or destruction of the circuit function

Method used

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  • Invertible circuit break device
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  • Invertible circuit break device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] figure 1 An overview of different embodiments of the invention for use with an overvoltage protection device is shown.

[0025] A device for overvoltage protection is shown here as a dotted box The reversible trip device RAT.

[0026] The reversible trip device RAT with overvoltage protection run in series. The series circuit is exemplarily shown in two conductors L 1 It is connected to the protective conductor PE.

[0027] The reversible disconnection device RAT has a first current loop SK 1 with the second current loop SK 2 of parallel circuits.

[0028] The first current loop SK1 is in Figure 2a shown in the resistor with impedance Z 1 . Second current loop SK 2 exist Figure 2b is shown with at least one conductor part made of a shape memory alloy FGL. In an embodiment of the invention each current loop SK 1 、SK 2 There may also be additional elements. The two current loops are commonly connected to the switch S 1 . Switch S 1 A parallel circui...

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Abstract

The invention relates to an invertible circuit break device which can operate by connecting to the over-voltage protection device in series and has a parallel circuit which is connected to the first current circuit and the second current circuit in parallel; the first current circuit has an impedance resistor and the second current circuit has at least a conductor part which is made of a shape memory alloy. The invertible circuit break device has a switch which is connected to the parallel-connected circuit and the over voltage protection device in series, wherein the switch can realize the switching on and off in an invertible manner through the conductor made of the shape memory alloy; the process of switching on and off the conductor part is triggered by the current of the conductor part, so that when the conductor part heats, the over-voltage protection device can be invertiblly switched off.

Description

technical field [0001] The invention relates to a reversible circuit breaking device, which is a reversible circuit breaking device used for an overvoltage protection device. Background technique [0002] Various overvoltage protection devices are known from the prior art. [0003] A big problem in using these overvoltage protection devices is that follow-up currents often occur after a fault event. [0004] This subsequent current generally leads to high power losses in the overvoltage protection device. Intense heating occurs here, which leads to irreversible damage or destruction of the surge protector and is therefore a hazard not only to the surge protector but also to the environment. [0005] In addition to this, in order to respond quickly to an overvoltage event, the impedance of the overvoltage protection device quickly becomes small, since low impedance actually indicates a short circuit. If subsequent currents now occur, the low impedance would be a danger to ...

Claims

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Application Information

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IPC IPC(8): H02H9/02
CPCH02H9/04H02H9/042H02H9/041
Inventor 马丁·斯瑞伍阿克塞尔·法比奥
Owner PHOENIX CONTACT GMBH & CO KG
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