CN203180652U - Five-prevention electric display locking system - Google Patents

Five-prevention electric display locking system Download PDF

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Publication number
CN203180652U
CN203180652U CN 201320224438 CN201320224438U CN203180652U CN 203180652 U CN203180652 U CN 203180652U CN 201320224438 CN201320224438 CN 201320224438 CN 201320224438 U CN201320224438 U CN 201320224438U CN 203180652 U CN203180652 U CN 203180652U
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CN
China
Prior art keywords
charged
charged demonstration
unit
preventing
prevention
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320224438
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Chinese (zh)
Inventor
周勇
任坤明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guang An Huaying Power Supply Bureau Sichuan Electric Power Co ltd
Original Assignee
Guang An Huaying Power Supply Bureau Sichuan Electric Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Guang An Huaying Power Supply Bureau Sichuan Electric Power Co ltd filed Critical Guang An Huaying Power Supply Bureau Sichuan Electric Power Co ltd
Priority to CN 201320224438 priority Critical patent/CN203180652U/en
Application granted granted Critical
Publication of CN203180652U publication Critical patent/CN203180652U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a five-prevention electric display locking system comprising three units. A first unit is integrated by a high voltage electric display device and a wireless emitting device, the first unit is connected to an outlet position of a grid and a cable, and the unit collects device electric signals and sends the signals via a wireless manner. A second unit comprises a wireless receiving device and a five-prevention electric display locking device, a third unit comprises a five-prevention system and a monitoring system, and the five-prevention electric display locking device is respectively connected with the five-prevention system and the monitoring system via a wireless communication protocol. A wireless receiving module and the five-prevention electric display locking device are additionally provided so that a logic database of the five-prevention system is prevented from going wrong, the switch-out with a load without a complete cut-off of a circuit breaker is prevented, and misinformation and false alarm of the monitoring system are prevented.

Description

Five anti-charged demonstration block sytems
Technical field
The utility model relates to power fail safe system, is specifically related to a kind of five anti-charged block sytems that are applied to five-preventing system.
Background technology
In electric power system, normally whether electriferous state is whether a certain circuit of sign is charged, an important parameter of operation.Along with society constantly improves, fast-developing, the wide popularization and application of new and high technology in electric power system of national economy, the utilization rate of cable also increases day by day, and safe condition is also even more important.Since electric power system use the place of cable all be wide coverage, quantity many, lay intensive, and often power cable easily produces short circuit phenomenon in draping cabinet and the tap points in the feeder pillar of sealing, and these places are in case because short circuit phenomenon causes the generation cable fire, will cause catastrophic consequence.Therefore, realize whether live monitoring then is the means that guarantee power supply reliability and safety in production validity to cable.
Five anti-functions refer to: (1) prevents the mistake branch, closes circuit breaker.(2) prevent the on-load branch, close isolating switch.(3) prevent charged extension (closing) earth connection (ground connection disconnecting link).(4) prevent from being with earth connection (ground connection disconnecting link) to close circuit breaker (isolating switch).(5) prevent mistakenly entering charged chamber.
Five-preventing system is the capital equipment that transformer station prevents misoperation, guarantee the substation safety operation, prevent that the people from being the visual plant of misoperation, any normal grid switching operation all must be judged through simulation preview and the logic of five-preventing system, so guarantee the intact and perfect of five-preventing system, can prevent and reduce the generation of power grid accident greatly.Along with the development of electrical network, the increase day by day of user power utilization amount, more and more higher to the reliability requirement of user's power supply, it is even more important that the effect of five-preventing system also becomes.
When being grid switching operation, the five-preventing system operation principle operates in anti-error main frame simulation preview earlier, anti-error main frame is according to the anti-misoperation locking logical base and the current device location status that store in advance, each simulated operation is carried out latching logic to be judged, correct simulated operation content is generated the practical operation program be transferred to computer key, the operations staff opens corresponding coding lock successively equipment is operated according to the content of operation that computer key shows.All behind the EO, by the passback of computer key, thereby equipment state and the equipment state at scene are consistent.
But, five-preventing system to equipment displacement do not have prompt facility, the background monitoring signal places one's entire reliance upon, if operations staff's carelessness, general idea or monitor not in place, omitted this backstage displacement signal, especially in the process of overhaul, fixed inspection or large operation, the backstage signal is frequent and various, it is mixed in together that often equipment misses displacement signal and other signals sent out, and be difficult to be found this moment.When relieving, the handing-over personnel may not explain and know the device location state because of busy or carelessness yet.These situations are in case generation all may cause misoperation fault, and consequence is hardly imaginable.
In sum, existing five-preventing system does not have autonomous discriminating device position capability, sends out a displacement signal in equipment mistake, situation under, can make five-preventing system erroneous judgement device location, lose basic anti-error ability, cause the generation of misoperation fault on the contrary.
The utility model content
The utility model has overcome the deficiencies in the prior art, and a kind of five anti-charged demonstration block sytems are provided, and this system increases wireless receiving module and five anti-charged demonstration locking devices, prevents that the five-preventing system logical base from makeing mistakes; Preventing the on-load that takes place when circuit breaker does not disconnect fully operates a switch; Prevent supervisory control system misinformation wrong report simultaneously, solved the technical problem that occurs in the prior art.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of five anti-charged demonstration block sytems, described five anti-charged demonstration block sytems comprise three unit:
First module: by high voltage display device with wireless launcher is integrated constitutes, be connected power grid cables and go out line position, this unit sends out signal by wireless after collecting the charged signal of equipment;
Unit second: constituted by radio receiver and five anti-charged demonstration locking devices,
Unit the 3rd: constituted by five-preventing system and supervisory control system; Five anti-charged demonstration locking devices are connected with supervisory control system with five-preventing system respectively by home control network communication protocol.The employed five-preventing system of this patent and supervisory control system all adopt five-preventing system of the prior art and supervisory control system.
When the high voltage display device display device is charged, can pass through wireless module, charged signal is passed back to Unit second by the wireless telecommunications stipulations, after the radio receiver of Unit second receives charged signal, reach five-preventing system and supervisory control system through five anti-charged demonstration locking devices, five anti-devices are with complete atresia.Like this, one can prevent that five anti-device logical bases from makeing mistakes, the problem that two on-loads that can prevent generation when circuit breaker does not disconnect are fully operated a switch, three can be by the mode that combines with high voltage display device, a signal distant place is transferred on the background computer of supervisory control system, whether display device is charged intuitively on the background computer of supervisory control system, is conducive to the remote monitoring of equipment, avoids signal misinformation wrong report.
Further technical scheme is:
Described five anti-charged demonstration locking devices comprise that signal receives separator and relay.Because the producer of supervisory control system is various, the communications protocol of every kind of supervisory control system has nothing in common with each other, and the supervisory control system of each transformer station is also scarcely identical.So need on the one hand send the charged information of equipment to the monitoring equipment system by signal reception separator by communication bus, should adopt the signal of relay ground connection switching with the monitoring equipment system communication simultaneously.After signal reception separator receives the signal of charged display unit, transmit signals to five-preventing system on the one hand, simultaneously, its five anti-charged demonstration locking device is built-in with relay, externally the closed information of output node.By judging whether charged signal, but the closure of control relay.Like this, supervisory control system can be directly with the closed information access of node, and whether charged by the closed information judging equipment of node, whether display device is charged intuitively on the monitoring background computer thereby reach, and is conducive to the remote monitoring of equipment, avoids signal misinformation wrong report.
Described five anti-charged demonstration locking devices wirelessly are connected with supervisory control system with five-preventing system respectively by agreement by 485 home control network communication protocols or 232.
The circuit structure of described high voltage display device comprises bridge rectifier, capacitor C x, two-way triggering diode DB3 and controllable silicon MCR100, two inputs of bridge rectifier connect becket and the earth electrode of a phase cable respectively, two outputs of bridge rectifier connect the two ends of capacitor C x respectively, and two-way triggering diode DB3, controllable silicon MCR100 connect with at least one LED.
Also be serially connected with current-limiting resistance R between described controllable silicon MCR100 and the LED.High voltage display device: the input of capacitive earth current signal is through the rectifier bridge rectification, give capacitor C x charging again, when the voltage at capacitor C x two ends during greater than the voltage of bidirectional trigger diode DB3, bidirectional trigger diode DB3 reverse breakdown starts controllable silicon MCR100, electric capacity is by controllable silicon MCR100, the light-emitting diodes tube discharge of current-limiting resistance R, light light-emitting diode, controllable silicon MCR100 cut-off capacitance Cx stops discharge when the electric capacity both end voltage is 0V, load this moment disconnects capacitor C x and charges again, circulating so repeatedly, it is luminous that light-emitting diode is periodically glimmered, and simultaneously signal delivered to wireless launcher and launch.
Compared with prior art, the beneficial effects of the utility model are:
1, can prevent that the five-preventing system logical base from makeing mistakes.
2, can prevent when circuit breaker does not disconnect fully the problem that the on-load that takes place is operated a switch.
3, can a signal distant place be transferred on the background computer of supervisory control system by the mode that combines with high voltage display device, whether display device is charged intuitively on background computer, is conducive to the remote monitoring of equipment, avoids signal misinformation wrong report.
Description of drawings
Fig. 1 is the utility model theory diagram;
Fig. 2 is the utility model high voltage display device circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
As shown in Figure 1, a kind of five anti-charged demonstration block sytems comprise three unit:
First module: by high voltage display device with wireless launcher is integrated constitutes, be connected power grid cables and go out line position, this unit sends out signal by wireless after collecting the charged signal of equipment; Unit second: constituted by radio receiver and five anti-charged demonstration locking devices, and five anti-charged demonstration locking devices comprise that signal receives separator and relay.Unit the 3rd: constituted by five-preventing system and supervisory control system; Five anti-charged demonstration locking devices wirelessly are connected with supervisory control system with five-preventing system respectively by agreement by 485 home control network communication protocols or 232.The employed five-preventing system of this patent and supervisory control system all adopt five-preventing system of the prior art and supervisory control system.
When the high voltage display device display device is charged, can pass through wireless module, charged signal is passed back to Unit second by the wireless telecommunications stipulations, after the radio receiver of Unit second receives charged signal, signal in the five anti-charged demonstration locking devices receives separator and sends the charged information of equipment to the monitoring equipment system by communication bus, adopts the signal of relay ground connection switching with the monitoring equipment system communication simultaneously.After signal reception separator receives the signal of charged display unit, transmit signals to five-preventing system on the one hand, simultaneously, its five anti-charged demonstration locking device is built-in with relay, externally the closed information of output node.By judging whether charged signal, but the closure of control relay.Like this, supervisory control system can be directly with the closed information access of node, and whether charged by the closed information judging equipment of node, whether display device is charged intuitively on the monitoring background computer thereby reach, and is conducive to the remote monitoring of equipment, avoids signal misinformation wrong report.
High voltage display device in the present embodiment can adopt any one high voltage display device of buying on the market to finish.For example: the model that Foochow good fortune one is opened electric production is GSN7-T, the high voltage display device of GSN4-10T.
Embodiment 2
Present embodiment is the same substantially with embodiment's 1, different places are, the circuit structure of the high voltage display device high voltage display device of present embodiment as shown in Figure 2, comprise bridge rectifier, capacitor C x, two-way triggering diode DB3 and controllable silicon MCR100, two inputs of bridge rectifier connect becket and the earth electrode of a phase cable respectively, two outputs of bridge rectifier connect the two ends of capacitor C x respectively, two-way triggering diode DB3, controllable silicon MCR100 connect with a LED (certainly, also can with more than one LED series connection).Also be serially connected with current-limiting resistance R between controllable silicon MCR100 and the LED.The input of capacitive earth current signal is through the rectifier bridge rectification, give capacitor C x charging again, when the voltage at capacitor C x two ends during greater than the voltage of bidirectional trigger diode DB3, bidirectional trigger diode DB3 reverse breakdown starts controllable silicon MCR100, electric capacity is by controllable silicon MCR100, the light-emitting diodes tube discharge of current-limiting resistance R, light light-emitting diode, controllable silicon MCR100 cut-off capacitance Cx stops discharge when the electric capacity both end voltage is 0V, load this moment disconnects capacitor C x and charges again, circulating so repeatedly, it is luminous that light-emitting diode is periodically glimmered, and simultaneously signal delivered to wireless launcher and launch.The high voltage display device that present embodiment adopts aims at the charged demonstration of five-preventing system and measures and make, and is with strong points, can improve the mistake proofing rate.

Claims (5)

1. prevent charged demonstration block sytem for one kind five, described five anti-charged demonstration block sytems comprise three unit:
First module: by high voltage display device with wireless launcher is integrated constitutes, be connected power grid cables and go out line position;
Unit the 3rd: constituted by five-preventing system and supervisory control system;
It is characterized in that: described five anti-charged demonstration block sytems also comprise Unit second: be made of radio receiver and five anti-charged demonstration locking devices;
Described five anti-charged demonstration locking devices are connected with supervisory control system with five-preventing system respectively by home control network communication protocol.
2. according to claim 1 five prevent charged demonstration block sytems, it is characterized in that: described five anti-charged demonstration locking devices comprise that signal receives separator and relay.
3. according to claim 1 five prevent charged demonstration block sytems, it is characterized in that: described five anti-charged demonstration locking devices are connected with supervisory control system with five-preventing system respectively by 485 home control network communication protocols.
4. according to claim 1 five prevent charged demonstration block sytems, it is characterized in that: the circuit structure of described high voltage display device comprises bridge rectifier, capacitor C x, two-way triggering diode DB3 and controllable silicon MCR100, two inputs of bridge rectifier connect becket and the earth electrode of a phase cable respectively, two outputs of bridge rectifier connect the two ends of capacitor C x respectively, and two-way triggering diode DB3, controllable silicon MCR100 connect with at least one LED.
5. according to claim 4 five anti-charged demonstration block sytems is characterized in that: also be serially connected with current-limiting resistance R between described controllable silicon MCR100 and the LED.
CN 201320224438 2013-04-28 2013-04-28 Five-prevention electric display locking system Expired - Fee Related CN203180652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320224438 CN203180652U (en) 2013-04-28 2013-04-28 Five-prevention electric display locking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320224438 CN203180652U (en) 2013-04-28 2013-04-28 Five-prevention electric display locking system

Publications (1)

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CN203180652U true CN203180652U (en) 2013-09-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103487635A (en) * 2013-10-10 2014-01-01 江苏上能新特变压器有限公司 High voltage induction wireless electrified indicating device
CN104266641A (en) * 2014-10-10 2015-01-07 国家电网公司 Intelligent navigation control method for five-prevention lock of transformer substation
CN112542036A (en) * 2020-12-08 2021-03-23 大力电工襄阳股份有限公司 High-voltage silicon controlled rectifier wireless trigger equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103487635A (en) * 2013-10-10 2014-01-01 江苏上能新特变压器有限公司 High voltage induction wireless electrified indicating device
CN104266641A (en) * 2014-10-10 2015-01-07 国家电网公司 Intelligent navigation control method for five-prevention lock of transformer substation
CN104266641B (en) * 2014-10-10 2017-02-01 国家电网公司 Intelligent navigation control method for five-prevention lock of transformer substation
CN112542036A (en) * 2020-12-08 2021-03-23 大力电工襄阳股份有限公司 High-voltage silicon controlled rectifier wireless trigger equipment

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130904

Termination date: 20140428

C17 Cessation of patent right