Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine

A technology of DC circuit breaker and electronic system, applied in the field of mechanical DC circuit breaker and electric machinery, can solve the problems of easy aging and burning of the switch part, and achieve the effects of good self-repair, simple structure, simple and convenient

Inactive Publication Date: 2015-08-19
沈涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the switch part of the DC circuit breaker is easy to age and burn out, the inventor thought of using a conductive liquid as the switch part of the DC circuit breaker. As a liquid substance, the conductive

Method used

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  • Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine
  • Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0031] Implementation example 1,

[0032] Such as Figure 1-2 As shown, a mechanical DC circuit breaker that can be used in electric or electronic systems is mainly composed of a bar body (1), a support body (2), a connector (3), two electric rails (4), a magnet (5), Conductive liquid (6) composition;

[0033] The horizontal bar body (1) and the supporting body (2) are connected by a rotating connection (12) to form a gravity seesaw;

[0034] The bar body (1) has a cavity (10) for accommodating the conductive liquid (6), and the cavity (10) straddles the fulcrum of the gravity seesaw formed by the bar body (1) and the support body (2) perpendicular;

[0035] The conductive liquid (6) is loaded in the cavity (10) of the horizontal bar body (1), and the volume of the conductive liquid (6) is less than half of the effective volume of the cavity (10) of the horizontal bar body (1);

[0036] The length of the electric rail (4) is less than half of the transverse length of the cavity (10) ...

Example Embodiment

[0047] Implementation example two,

[0048] Connect a diode in series on the electrical channel between Y+ and Y- to prevent wiring errors.

Example Embodiment

[0049] Implementation example three,

[0050] The DC circuit breaker described in Example 1 is used for overcurrent protection of DC power lines.

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PUM

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Abstract

A mechanical-type direct current breaker applicable to an electric or electronic system comprises a crosswise bar body (1), a bearing body (2), a connector (3), two electric rails (4), a magnet (5) and a conducting liquid (6), and further comprises two electrodes which are installed at the end, not equipped with the electrical rails, inside a receiving chamber of the crosswise bar body (1) and which form a switch with the conducting liquid. An electrical machine is provided with the above direct current breaker.

Description

technical field [0001] The invention belongs to an electrical switch, and in particular relates to a mechanical direct current circuit breaker and an electric machine which can be used in electric power or electronic systems. Background technique [0002] Since the DC circuit breaker is easy to pull an arc when it is disconnected, the switch part of the DC circuit breaker is easy to age and burn; there are many methods in the prior art to try to eliminate the aging and burn problems of the switch part, but there is still room for improvement, (for example: The complexity, cost, and life of the structure are always difficult to balance). Contents of the invention [0003] In order to solve the problem that the switch part of the DC circuit breaker is easy to age and burn out, the inventor thought of using a conductive liquid as the switch part of the DC circuit breaker. As a liquid substance, the conductive liquid has good self-repairability in electrical properties; In or...

Claims

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Application Information

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IPC IPC(8): H01H29/20H01H73/04
CPCH01H29/20H01H73/04
Inventor 沈涛杨雨昌
Owner 沈涛
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