Unlock instant, AI-driven research and patent intelligence for your innovation.

Electrical switchgear having electric arc extinguishing chamber with deionisation blades

A technology of arc baffles and electric switches, applied in electric switches, high-voltage/high-current switches, circuits, etc., can solve problems such as poor gas removal or slowing down

Inactive Publication Date: 2009-09-16
SCHNEIDER ELECTRIC IND SAS
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the tubes used to conduct the gases, due to their geometry, induce pressure traps that cause poor or slowed removal of said gases

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electrical switchgear having electric arc extinguishing chamber with deionisation blades
  • Electrical switchgear having electric arc extinguishing chamber with deionisation blades
  • Electrical switchgear having electric arc extinguishing chamber with deionisation blades

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] according to figure 1 , 2 and 3, the electrical switching device 30 comprises a housing 31 made of molded plastic material in which at least one contact associated with at least one movable contact 33 is arranged. Stationary contact 32. One or more fault detection means, in particular for short circuit detection, act on the actuating mechanism 34 which controls the opening of the movable contact 33 .

[0043] This housing 31 , due to its shape, forms a longitudinal geometric reference plane xz.

[0044] In the illustrated embodiment, the electrical switching device comprises two U-shaped stationary contacts 32 respectively connected to electrical connection terminals. A movable contact 33 capable of translating by the action of actuating means 34 can be electrically connected to the two stationary contacts 32 . The movable contact 33 has two contact areas 36 each capable of cooperating with the stationary contact 32 respectively. Accordingly, corresponding to the s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The switchgear has an electric arc extinguishing chamber, opening on an opening volume (35), with a stack of de-ionization blades separated by an exchange gap. Free leading edges of the blades are exposed to an electric arc and delimit a recess (9) of asymmetrical form and formed to create, when the blades are alternatively stacked, chimneys (15) whose passages are closed in a plane perpendicular to chimneys` longitudinal axis.

Description

technical field [0001] The invention relates to an electrical switching device comprising: a housing having a longitudinal geometric reference plane, a pair of separable electrical contacts arranged in an open volume, an arc chute open towards said open volume, said arc chute The plate can be delineated by two parallel side walls placed on each side of the geometric reference plane, a rear wall located away from said open volume, a bottom wall and a top wall. The arc chute comprises a stack of at least two deionization fins separated from each other by an exchange space, each fin having a leading edge designed to be exposed to the arc. At least one exchange space is connected to at least one removal pipe via at least one removal hole. Background technique [0002] Leakage in switching devices such as circuit breakers, switches or contactors causes their electrical contacts to open at high speed. This high-speed separation of the contacts is often accompanied by arcing. Th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01H9/30H01H9/34H01H33/04H01H33/08H01H73/18
CPCH01H9/362H01H73/18H01H2009/348
Inventor 克里斯琴·菲韦特克里斯琴·阿诺安德烈·克洛特勒休格斯·菲利帕蒂
Owner SCHNEIDER ELECTRIC IND SAS