CN203589848U - Handcart-type switch-cabinet intelligent misoperation-preventive lockup system - Google Patents
Handcart-type switch-cabinet intelligent misoperation-preventive lockup system Download PDFInfo
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- CN203589848U CN203589848U CN201320825032.6U CN201320825032U CN203589848U CN 203589848 U CN203589848 U CN 203589848U CN 201320825032 U CN201320825032 U CN 201320825032U CN 203589848 U CN203589848 U CN 203589848U
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Abstract
A handcart-type switch-cabinet intelligent misoperation-preventive locking system comprises several breakers, a detector, lockup devices and a display and also comprises a DOP industrial human-machine, an intelligent controller, a centralized control cabinet and a power supply. The power supply is connected with the DOP industrial human-machine and the centralized control cabinet respectively. The DOP industrial human-machine, a communication port in the centralized control cabinet and the intelligent controller are connected in order. The breakers, the detector, the lockup devices and the display are respectively connected with the intelligent controller. By the adoption of the DOP industrial human-machine, the intelligent controller and the centralized control cabinet, intelligent control of each lockup device is realized, intrinsic safety of a handcart-type switch cabinet is really achieved, and unnecessary accidents caused by misoperation of operating personnel, maintenance personnel and other personnel are prevented effectively. During correct operation, automatic unlocking is carried out; and during misoperation, automatic locking is carried out. Thus, intrinsic safety of a handcart-type switch cabinet is really achieved; no burden is brought to operating personnel; electric power safety production is guaranteed; and safety of operating personnel and maintenance personnel is protected.
Description
Technical field
The utility model relates to electrical protection technology, particularly a kind of handcart switch cabinet intelligent error preventing block sytem.
Background technology
The electric operation of electric power system all needs certain operation sequence, each operating procedure be fix and also can not jump, therefore in order to prevent that operations staff, maintainer and other personnel from causing unnecessary accident because of misoperation, so-called " five is anti-" concept is proposed.The particular content of " five is anti-": 1, prevent from dividing by mistake, closing circuit breaker.2, prevent that on-load from dividing, closing isolating switch.3, prevent from being with cable address (closing) earth connection (earthed switch).4, prevent from being with ground wire power transmission.5, prevent mistakenly entering charged chamber.Anti-misoperation locking device is to prevent operations staff's misoperation fault and a kind of active measures of taking, anti-error function be embodied as one of important measures that electric power safety produces.
At present, the most of handcart switch cabinet that adopts of domestic high-tension switch cabinet, is divided into console mode and middle by circuit breaker mounting means.Most of switch cubicles have possessed certain " five is anti-" function when dispatching from the factory, but under some new electric conditions and operational mode, the part of middle-placed switch cabinet " five is anti-" function can not meet the demands, must improve " five is anti-" function.Be embodied in:
1 handcart cabinet bus-bar room, load side interval, all without locking, adopts merely fastened by screw, has mistakenly entering charged chamber danger.
The mains switch of 2 times inlet wires, PT cabinet etc. does not have the switch cubicle of ground cutter cannot locking back door, and the back door of practicing backdoorism is not shut can be wheelbarrow switch promotion position, has mistakenly entering charged chamber danger.
3 bus-bar room pocket doors are at the load side pocket door of opening state or there is no an earthing during in door opening state, and all handcarts all can advance " work " position, and this just exists the possibility of misdelivery electricity or mistakenly entering charged chamber.
4 when maintenance bus will install earth connection, but between all handcart cabinets of this ground wire and this section all without any interlocking.Can not prevent from being with Denso ground wire, can not enter interval by all handcarts of locking again, at any time may be with the misoperation of ground wire pushing hands car.
In 5 each high voltage bus sections, have power supply natures cabinet, as working power cabinet, stand-by power supply cabinet, transformer case, PT cabinet etc., in these handcart cabinets, no matter any handcart is in " work " position, all likely makes bus charged.If this thing happens between turn(a)round, that will be very dangerous.
6 low-tension transformers are all away from handcart cabinet, near tens meters, far away by one, 200 meters, if transformer " body " leave over earth connection,, the misoperation with ground wire power transmission cannot be avoided.
In order to adapt to electrical production modernization, automation, collection control, liberation labour, increases work efficiency, and guarantees electric power safety production, and design and installation one is without dummy routine, and operation is not an important topic with the full-automatic anti-misoperation locking device of key.
Utility model content
The purpose of this utility model is to overcome the anti-error defect of existing handcart switch cabinet; can realize the Based Intelligent Control to each dead lock; effectively prevent that operations staff, maintainer and other personnel from causing accident because of misoperation; automatic unlocking during proper operation; automatic blocking during faulty operation, makes handcart switch cabinet really reach essential safety, to operating personnel, does not bring any burden; guarantee electric power safety production, protected operating personnel and maintenance personal's safety.
For achieving the above object, the handcart switch cabinet intelligent error preventing block sytem that the utility model provides, comprise some circuit breakers, detector, dead lock and display, also comprise DOP industrial human-computer, intelligent controller, collection control case and power supply, wherein said power supply is connected respectively with collection control case with described DOP industrial human-computer, 485 communication ports in described DOP industrial human-computer, collection control case are connected successively with described intelligent controller, and described circuit breaker, detector, dead lock and display are connected with described intelligent controller respectively.
The wherein said detector of the utility model handcart switch cabinet intelligent error preventing block sytem at least comprises earth wire detector or distant place transformer grounding detector, described dead lock at least comprises handcart dead lock and cabinet door dead lock, and described display at least comprises ground wire display.
The wherein said intelligent controller of the utility model handcart switch cabinet intelligent error preventing block sytem is provided with:
Switch state signal port, is connected to described circuit breaker;
State of ground wire signal port, is connected to described earth wire detector or described distant place transformer grounding detector;
Electrification in high voltage signal port, is connected to the signal output part of described electrification in high voltage detector;
AC220V output port, is connected to the power input of described electrification in high voltage detector;
AC220V input port, is connected to the power output interface of described collection control case;
Handcart dead lock port, is connected to described handcart dead lock;
Cabinet door dead lock port, is connected to described cabinet door dead lock;
Standby port, standby;
Ground wire display port, is connected to described ground wire display;
DC12V dead lock power input mouth, is connected to the dead lock power output interface of described collection control case;
485 PORT COM, are connected to 485 communication interfaces of described collection control case.
The utility model handcart switch cabinet intelligent error preventing block sytem, wherein said intelligent controller kernel adopts Delta DVP20EC series Programmable logic Controller (PLC).
The advantage of the utility model handcart switch cabinet intelligent error preventing block sytem is: owing to having adopted intelligent controller and DOP industrial human-computer, by touch screen operation, be provided with manually, automatic two kinds of working methods, realized the Based Intelligent Control to each dead lock, make handcart switch cabinet really reach essential safety, effectively prevent operations staff, maintainer and other personnel cause accident because of misoperation, automatic unlocking during proper operation, automatic blocking during faulty operation, make handcart switch cabinet really reach essential safety, to operating personnel, do not bring any burden, guaranteed electric power safety production, operating personnel and maintenance personal's safety have been protected.
Below in conjunction with embodiment, describe the technical scheme of the utility model handcart switch cabinet intelligent error preventing block sytem in detail.
Accompanying drawing explanation
Fig. 1 is the block diagram of the utility model handcart switch cabinet intelligent error preventing block sytem;
Fig. 2 is the winding diagram of intelligent controller.
Embodiment
With reference to Fig. 1, the handcart switch cabinet intelligent error preventing block sytem that the utility model provides, comprises DOP industrial human-computer 40, intelligent controller 1, collection control case 8, power supply 9 and some circuit breakers, detector, dead lock and display.Detector at least comprises earth wire detector 4 or distant place transformer grounding detector 5, and dead lock at least comprises handcart dead lock 2 and cabinet door dead lock 3, and display at least comprises ground wire display 6.Wherein, power supply 9 is connected respectively with collection control case 8 with DOP industrial human-computer 40, and DOP industrial human-computer 40,485 communication ports 41 are connected successively with intelligent controller 1, and circuit breaker, detector, dead lock and display are connected with intelligent controller 1 respectively.
Intelligent controller 1 is for receiving cabinet inner high voltage electriferous state, cabinet door location status, handcart position state, state of ground wire, circuit breaker switch state, and according to built-in control program, cabinet door dead lock 3 and handcart dead lock 2 are sent and unblock instruction and whether ground wire display 6 is sent to display reminding content instruction, possess 485 communication functions simultaneously, all input/output states are sent to 485 communication ports 41 of collection control case 8.
Handcart dead lock 2 sends to intelligent controller 1 corresponding interface in real time for gathering handcart position status signal, and the instruction that unblocks that reception intelligent controller 1 sends unblocks in real time.
Cabinet door dead lock 3 sends to intelligent controller 1 corresponding interface in real time for gathering cabinet door position state signal, receives the instruction that unblocks that described intelligent controller 1 sends and unblocks in real time.
Whether earth wire detector 4 is installed for acquisition testing ground wire, its status signal is sent in real time to intelligent controller 1 corresponding interface simultaneously.
Whether distant place transformer grounding detector 5 is installed for detection of distant place transformer ground wire, its status signal is sent in real time to intelligent controller 1 corresponding interface simultaneously.
Ground wire display 6 is for whether instruction of the demonstration that receives intelligent controller 1 and send, and when having ground wire, shows " ground wire is not removed, No switching on " printed words.
Electrification in high voltage detector 7 is for detection of cabinet inner high voltage charged state, and electriferous state sent in real time to the relevant interface of intelligent controller 1.
Collection control case 8 is provided with Switching Power Supply, for intelligent controller 1 provides working power, and provides the power supply that unblocks for cabinet door dead lock 3, handcart dead lock 2.
DOP industrial human-computer 40 receives the input/output state signal that intelligent controller 1 sends by 485 communication ports 41, on display interface, show in real time chain between high-tension switch cabinet interval, the collection of input and output contact state each other also realizes by DOP is man-machine simultaneously.
Power supply 9 adopts AC220V, and AC220V intrinsic safety electric source is used in suggestion.
In the embodiment of the utility model handcart switch cabinet intelligent error preventing block sytem, intelligent controller 1 kernel adopts Delta DVP20EC series Programmable logic Controller (PLC).Its modularized design, without ventilating fan structure, is easy to realize the configuration of various requirement.It uses high-quality electronic component, and hardware volume is little, lightweight, easy care, and applicability is strong, and reliability is high.
Intelligent controller 1 is provided with 1 way switch status signal port one 1 and is connected to circuit breaker 10, 1 road state of ground wire signal port 12 is used private cable to be connected to earth wire detector 4 or distant place transformer grounding detector 5, 1 road electrification in high voltage signal port 13 is used private cable to be connected to electrification in high voltage detector 7, 1 road AC220V output port 14 is used private cable to be connected to the power input of electrification in high voltage detector 7, 1 road AC220V input port 15 is connected to the power output interface 36 of anti-misoperation locking device collection control case 8, 1 road handcart dead lock port 23 is used private cable to be connected to handcart dead lock 2, 1 road cabinet door dead lock port 22 is used private cable to be connected to cabinet door dead lock 3, 1 road standby port 21 is for Function Extension, 1 road ground wire display port 20 is used private cable to be connected to ground wire display 6, 1 road DC12V dead lock power input mouth 19 is connected to the dead lock power output interface 39 of collection control case 8, 1 tunnel 485 PORT COM 17 are connected to 485 communication interfaces 41 of collection control case 8.Power supply 9 is connected with the power supply interface 35 of collection control case 8.
With reference to Fig. 2, the status signal input of intelligent controller 1 comprises:
X0 is handcart position contact beyond test position or test, is connected with handcart dead lock 2;
X1 is that cabinet door state is open mode contact, is connected with cabinet door dead lock 3;
X2 is circuit breaker trip contact, is connected with circuit breaker 10;
X3 is switch-cabinet grounding contact, is connected with earth wire detector 4;
X4 is electrification in high voltage signal contact, is connected with electrification in high voltage detector 7.
The dead lock control signal input of intelligent controller 1 comprises:
Y0 is handcart dead lock solution lock control contact, is connected with handcart dead lock 2;
Y1 is handcart dead lock lock-in control contact, is connected with handcart dead lock 2;
Y2 is that cabinet door dead lock obtains electric control contact, is connected with cabinet door dead lock 3.
The logic control principle of intelligent controller 1 is as follows:
If handcart position is beyond test position or test, the contact X0=1 that is handcart position beyond test position or test, electrification in high voltage input is for charged simultaneously, i.e. electrification in high voltage signal contact X4=1, now to obtain electric be that cabinet door dead lock obtains electric control contact Y2=1 to cabinet door dead lock, can release.As long as any one is not above-mentioned state for X0 or X4, cabinet door dead lock dead electricity, cabinet door dead lock obtains electric control contact Y2=0, the locking of cabinet door.Logical formula is: Y2=X0*X4.
If killer switch is in tripped condition, i.e. killer switch tripping operation contact X2=1; Cabinet door is closure state simultaneously, and cabinet door state is open mode contact X1=1; Simultaneous Switching cabinet is unearthed, i.e. switch-cabinet grounding contact X3=1, the release of handcart dead lock, i.e. handcart dead lock solution lock control contact Y0=1 when these 3 conditions meet simultaneously.Logical formula is: Y0=X1*X2*X3.
If any one handcart dead lock locking lock while not meeting of above-mentioned 3 conditions, i.e. handcart dead lock lock-in control contact Y1=1.Logical formula is: Y1=X1+X2+X3.
In the embodiment of the utility model handcart switch cabinet intelligent error preventing block sytem, DOP industrial human-computer 40 is provided with touch-screen, in each locking device running status display interface that Real-time Collection intelligent controller 1 sends.DOP industrial human-computer interface, also referred to as intelligent guidance panel, has replaced traditional guidance panel, can touch and set all kinds of parameters at touch-screen, realize various push switch function, numeral is set and is shown various information, Chinese subtitle, figure shows, easy to operate simple.
In the embodiment of the utility model handcart switch cabinet intelligent error preventing block sytem, collection control case 8 has 2 kinds of Working mode sets by DOP industrial human-computer 40; Manually, with automatic, can need to select arbitrarily setting according to user, be described below:
Manual mode: under this pattern, each status display function is normal; but handcart dead lock and the cabinet door dead lock of Intelligent anti-misoperation locking device are standby, and Intelligent anti-misoperation locking device can not unblock automatically, having after administrator authorization password; control is by operating personnel's imperative operation, without virtual protection.This pattern is applicable to measurement circuit fault, communication function and manually unblocking.
Automatic mode: each input state that under this pattern, Based Intelligent Control 1 collects, after the judgement of logic built control program, export corresponding output state, control unblocking of handcart dead lock 2 and cabinet door dead lock 3.This process is not brought any burden to operating personnel, the correct automatic unlocking of operating sequence, operating sequence mistake automatic blocking.
The main menu function of DOP industrial human-computer 40 and operation are as follows:
1, login interface: start-up picture (man-machine the picture first showing after electric), touch " user's login ", enter " key frame ".
2, key frame: synthetic display is installed the state that unblocks at locking device interval.Under this interface, the correspondence position region of clicking each interval can enter " split screen ".
3, split screen: at this interface, can Real-Time Monitoring the dead lock at the corresponding interval situation that unblocks.
The action delay set of time of cabinet door dead lock, handcart dead lock: click time frame, there will be set of time, for changing cabinet door dead lock and handcart dead lock at the delay time of receiving after action command, be defaulted as 3 seconds.
" automatic/hand " button: the operational mode that Intelligent anti-misoperation locking device is set.
While switching to " automatically " pattern, handcart dead lock and cabinet door dead lock unblock automatically according to internal processes.
While switching to " manually " pattern, this interface and subordinate interface thereof (handcart release, handcart locking, door lock obtain electric) all need according to relevant regulations, obtain just can carrying out after upper management person's licencing key, each click can be ejected Password Input frame, and password correctly can operate.
" handcart release " button is for manual unlocking handcart.
" handcart locking " button is for manual block handcart.
" door lock obtains electric " button is for manual unlocking door lock.
The Back button: for the switching to " key frame " by " split screen ".
In sum, major function and the feature of the utility model handcart switch cabinet intelligent error preventing block sytem are as follows:
(1) the anti-error defect of existing switch cubicle, the safety of omnibearing protection operator, maintenance personal and equipment have been made up.
(2) by touch screen, operate demonstration, by intelligent controller control.System is provided with two kinds of working methods: manually, automatically.
(3) when manual mode, handcart dead lock and the cabinet door dead lock of Intelligent anti-misoperation locking device are standby, and each state acquisition normally moves, and are having after administrator authorization password, control by operating personnel's imperative operation, without virtual protection.During normal operation, do not advise adopting, can be used for measurement circuit fault, the system failure, communication function and manually unblock.
(4) when automatic mode, handcart dead lock and cabinet door dead lock unblock automatically according to internal processes, and key is not with in operation.
(5) adopt logic control, can be according to the equipment running status of handcart type high voltage switch cabinet, by rules requirement, send unlocking signal and block signal, and the running status of equipment is shown in the man-machine interface of intelligent controller and anti-misoperation locking device collection control case, be the anti-misoperation locking device that a kind of software and hardware combines.
(6) if systems soft ware breaks down, can switch to " manual mode ", manually unblock, if dead lock breaks down, use the release of compulsive unlocking key.
(7) this utility model handcart switch cabinet anti-misoperation locking device, in the fixed installation of high-tension switch cabinet body, realizes service one to one, makes handcart switch cabinet really reach essential safety.
(8) this utility model handcart switch cabinet anti-misoperation locking device, after installing, operating personnel do not need to carry out complicated training, only need be according to the operation sequence operation of rules regulation, this equipment can unblock automatically.
(9) this utility model handcart switch cabinet anti-misoperation locking device, adopts modularized design, and maintenance personal only needs to know that each functions of the equipments can judge equipment fault, safeguards.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design prerequisite; various modification and improvement that in this area, common engineers and technicians make the technical solution of the utility model; all should fall into protection range of the present utility model; the technology contents of the utility model request protection, has all been documented in claims.
Claims (4)
1. a handcart switch cabinet intelligent error preventing block sytem, comprise some circuit breakers, detector, dead lock and display, it is characterized in that: also comprise DOP industrial human-computer (40), intelligent controller (1), collection control case (8) and power supply (9), wherein said power supply (9) is connected respectively with collection control case (8) with described DOP industrial human-computer (40), described DOP industrial human-computer (40), 485 communication ports (41) in collection control case (8) are connected successively with described intelligent controller (1), described circuit breaker, detector, dead lock is connected with described intelligent controller (1) respectively with display.
2. handcart switch cabinet intelligent error preventing block sytem according to claim 1, it is characterized in that: wherein said detector at least comprises earth wire detector (4) or distant place transformer grounding detector (5), described dead lock at least comprises handcart dead lock (2) and cabinet door dead lock (3), and described display at least comprises ground wire display (6).
3. handcart switch cabinet intelligent error preventing block sytem according to claim 2, is characterized in that: wherein said intelligent controller (1) is provided with:
Switch state signal port (11), is connected to described circuit breaker (10);
State of ground wire signal port (12), is connected to described earth wire detector (4) or described distant place transformer grounding detector (5):
Electrification in high voltage signal port (13), is connected to described electrification in high voltage detector (7);
AC220V output port (14), is connected to the power input of described electrification in high voltage detector (7);
AC220V input port (15), is connected to the power output interface (36) of described collection control case (8);
Handcart dead lock port (23), is connected to described handcart dead lock (2);
Cabinet door dead lock port (22), is connected to described cabinet door dead lock (3);
Standby port (21), standby;
Ground wire display port (20), is connected to described ground wire display (6);
DC12V dead lock power input mouth (19), is connected to the dead lock power output interface (39) of described collection control case (8);
485 PORT COM (17), are connected to 485 communication interfaces (41) of described collection control case (8).
4. handcart switch cabinet intelligent error preventing block sytem according to claim 3, is characterized in that: wherein said intelligent controller (1) kernel adopts Delta DVP20EC series Programmable logic Controller (PLC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825032.6U CN203589848U (en) | 2013-12-16 | 2013-12-16 | Handcart-type switch-cabinet intelligent misoperation-preventive lockup system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825032.6U CN203589848U (en) | 2013-12-16 | 2013-12-16 | Handcart-type switch-cabinet intelligent misoperation-preventive lockup system |
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| Publication Number | Publication Date |
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| CN203589848U true CN203589848U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825032.6U Expired - Fee Related CN203589848U (en) | 2013-12-16 | 2013-12-16 | Handcart-type switch-cabinet intelligent misoperation-preventive lockup system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575699A (en) * | 2016-02-03 | 2016-05-11 | 天津平高智能电气有限公司 | Intelligent interlocking system of switching device and interlocking cabinet thereof |
| CN105680359A (en) * | 2016-03-31 | 2016-06-15 | 国网山东省电力公司烟台供电公司 | Switch cabinet busbar grounding handcart anti-misoperation locking device and anti-misoperation locking method |
| CN108732412A (en) * | 2018-04-17 | 2018-11-02 | 广东电网有限责任公司 | A kind of potential indicator |
-
2013
- 2013-12-16 CN CN201320825032.6U patent/CN203589848U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575699A (en) * | 2016-02-03 | 2016-05-11 | 天津平高智能电气有限公司 | Intelligent interlocking system of switching device and interlocking cabinet thereof |
| CN105680359A (en) * | 2016-03-31 | 2016-06-15 | 国网山东省电力公司烟台供电公司 | Switch cabinet busbar grounding handcart anti-misoperation locking device and anti-misoperation locking method |
| CN108732412A (en) * | 2018-04-17 | 2018-11-02 | 广东电网有限责任公司 | A kind of potential indicator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181216 |