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Full automatic five protection control system

A control system, fully automatic technology, applied in the direction of electrical program control, program control in sequence/logic controller, switchgear, etc., can solve the problems of inability to fully prevent errors, etc., achieve simple and convenient operation, stable operation, and ensure personal safety and equipment safety

Inactive Publication Date: 2005-03-02
郭伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the technical problems existing in the prior art that cannot fully prevent mistakes, and to provide a fully automatic five-proof control system that can effectively guarantee human safety, prevent equipment damage, and truly achieve five defenses

Method used

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  • Full automatic five protection control system
  • Full automatic five protection control system
  • Full automatic five protection control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1 as figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10. set as figure 1 The logic control circuit shown can be a logical operation execution circuit composed of electrical components such as relays or NAND gates, and can also be a single-chip microcomputer supported by computer software. There are rear upper door detection control devices and rear lower door detection control devices connected to the logic control circuit. Control device, handcart detection control device, ground wire detector and high voltage detector. It is installed as figure 2 As shown: Install the rear upper door detection control device B on the rear upper door of the handcart cabinet, install the high voltage detector F and the ground wire detector D in the handcart cabinet, and install the rear lower door detection control device C on the rear upper door of the handcart cabinet On the rear lower door, the handcart detection control device E and the single-chip microcomputer A are installed on ...

Embodiment 2

[0047] Others are like embodiment 1, only the front door detection control circuit connected with the logic control circuit is set on the front door of the handcart cabinet with the front door. The principle block diagram and circuit diagram of the front door detection control circuit are as follows: Figure 4 , 5 As shown, it is the same as the rear upper door detection control device and the rear lower door detection device.

Embodiment 3

[0049] Such as Figure 11 Shown: Other is the same as embodiment 1 or embodiment 2, just also joins with described single-chip IC1 and has display circuit and joins with 485 communication interface and has anti-misoperation sub-controller, joins with anti-misoperation sub-controller There is an anti-misoperation main controller, which is convenient for classification and overall control. There are LED display system, camera intercom, etc. connected with the anti-misoperation sub-controller. A camera monitoring system, an intercom system and an LED (sand table) display are connected to the main controller for preventing misoperation.

[0050] working principle:

[0051] After the logic control circuit A receives all the working power handcart cabinets, backup power handcart cabinets, transformer power handcart cabinets and load handcart cabinets, the on-door detection control device, the back door detection control device, the front door detection control device, the manual ...

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Abstract

This invention discloses a sort of full automatic control system, which has logical control circuit. The checkout control device, checkout control device, handcart checkout control device, earth wire detector and high-voltage testing detector were connected with logical control circuit. On the premise of not to affect normal function, maintenance and recondition of handcart switchboard, it enable to checkout timely earth wire and high-voltage state of handcart cabinet, accomplish interlocking rapidly when faultily operated; automatically unblock when normally operated; decide the state of lock fully according to signal of every detector's detection, thereby don't restrict by human factor, perform steadily, accuracy without fault, achieve the demand of, ensure personal and facility safety. The operator of handcart cabinet do without any implement, simplicity and comfort of operation.

Description

Technical field: [0001] The invention relates to a monitoring system capable of preventing misoperation of power equipment, especially a handcart cabinet for working power supply, backup power supply handcart cabinet, transformer power supply handcart cabinet and load handcart suitable for monitoring power plants and large-scale industrial and mining enterprises. Fully automatic five-proof control system for cabinets. Background technique: [0002] In order to ensure personal and property safety, the Ministry of Energy of my country has clearly stipulated that all switchgears put into use must have security facilities to prevent misuse, and should achieve the "five defenses" functions, namely: prevent mis-disconnection and mis-closing of circuit breakers; Pull and close the circuit breaker; prevent the live wire from being connected to the ground wire; prevent the ground wire from closing the circuit breaker and prevent it from entering the charged interval by mistake. The s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04H01H9/20H02B11/00H02B11/10
Inventor 郭伟
Owner 郭伟
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