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Overcurrent cutting driving device of switch machine

A driving device and switch machine technology, which is applied in the field of rail transit, can solve problems such as long-term and unfavorable switch machine protection, and achieve the effect of improving reliability

Active Publication Date: 2018-03-23
浙江众合科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the switch controller detects that there is a large current on the central line (N line) of the driving power supply, it thinks that the switch machine is in place or blocked, so it stops sending the drive signal to stop the switch machine from rotating. Longer time is not conducive to the protection of the switch machine itself

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  • Overcurrent cutting driving device of switch machine
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Embodiment Construction

[0012] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0014] refer...

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Abstract

The invention discloses an overcurrent cutting driving device of a switch machine. The device is used for controlling on or off of a three-phase power supply of the switch machine. The device comprises two electronic switches, a current sensor for detecting three-phase output current of the three-phase power supply, a first control circuit and a second control circuit. The first control circuit and the second control circuit control the electronic switches simultaneously according to the detection result of the current sensor. As long as the first control circuit and / or the second control circuit control / controls the on and off of the electronic switches, the electronic switches will be disconnected and fail to output power to the switch machine. According to the invention, the first control circuit and the second control circuit are used for controlling the electronic switches simultaneously, so reliability is improved.

Description

technical field [0001] The invention relates to the technical field of rail transportation, in particular to a switch machine driving device. Background technique [0002] The switch machine is an important executive device used in rail transit. It is used to turn the switch to switch and lock the switch point rail or core rail, and expresses the position and state of the switch point rail or core rail in the supervision interlocking area. It is necessary to cut off the driving power of the point machine when the point machine is blocked and overcurrent or after the switch is pulled in place. Therefore, it is necessary to detect the drive and state of the switch machine. [0003] There are two modes of operation for the switch machine: electric and manual. When the equipment is normal, it adopts electric mode to realize the fixed and reverse drive of the switch machine through the unified control of the switch controller; when there is a power failure or the switch machine...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/08B61L5/06
Inventor 苏守钗张杭君周在福马超
Owner 浙江众合科技股份有限公司