An explosive switch based on multi-surface shaped jet

An energy-gathering jet and energy-gathering technology, which is used in the field of energy-gathering jet cutting circuit breakers, protection switches for high-power circuits, and normally closed switches, can solve the problems of weakening the mechanical properties of switches and low energy utilization of explosives, and achieves the goal of preventing Re-breakdown, improved safety, excellent mechanical properties
CN106767182BActive Publication Date: 2018-07-03UNIV OF SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
UNIV OF SCI & TECH OF CHINA
Publication Date
2018-07-03

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Abstract

The invention discloses an explosion switch based on multi-side energy collecting jet flow. The switch belongs to a normally-closed one-time switch and comprises an exploder, an access device and a protection device. A conductor is cut through the energy collecting jet flow, the explosive energy utilization rate is increased, the disconnection time is shortened, meanwhile, a method combining the axial energy collecting jet flow and the circumferential energy collecting jet flow is adopted, the two ends of the disconnected conductor are spaced by a long distance, and the danger that the disconnected switch is broken down again under the high voltage condition can be effectively avoided. In addition, the conductor is not subjected to any weakening treatment, so that the conductor is excellent in mechanical performance and can be suitable for various adverse working conditions.
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Description

technical field

[0001] The invention belongs to the technical field of electric switches, and specifically relates to an explosive switch based on multi-faceted energy-gathering jets. Protection switch for power circuits. Background technique

[0002] The explosion has the characteristics of fast work speed and strong work ability. Therefore, compared with the traditional electric switch, the explosive switch with explosives as the driving energy has the advantages of high current resistance, fast circuit breaking speed, low impedance before circuit breaking, and high impedance after circuit breaking. Therefore, explosive switches are widely used in high-power circuits and inductive energy storage systems. Researchers from various countries have successively invented various explosive switches, and some switches have been able to withstand hundreds of kiloamperes of current and can achieve a circuit breaking effect within 100 microseconds. The working principle of the trad...

Claims

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