CN102969659B - Earth connection anti-misoperation apparatus - Google Patents
Earth connection anti-misoperation apparatus Download PDFInfo
- Publication number
- CN102969659B CN102969659B CN201210457411.4A CN201210457411A CN102969659B CN 102969659 B CN102969659 B CN 102969659B CN 201210457411 A CN201210457411 A CN 201210457411A CN 102969659 B CN102969659 B CN 102969659B
- Authority
- CN
- China
- Prior art keywords
- earth connection
- tongue tube
- sign board
- circuit
- misoperation
- Prior art date
- 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.)
- Active
Links
- 229920004934 Dacron® Polymers 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000005389 magnetism Effects 0.000 claims 1
- 208000033999 Device damage Diseases 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to the safety operation field of earth connection in power system, be specifically related to a kind of earth connection Anti-misoperation circuit and device thereof, comprise socket device and Sign Board (4), described socket device is to be mainly made up of the base mutually fastening (1) and transparent outer cover (2), described transparent outer cover (2) is provided with Sign Board socket (3), in described Sign Board (4), be provided with and the first tongue tube (G1) and the suitable permanent magnet pieces (5) of the second tongue tube (G2), and Sign Board (4) interconnects with earth connection. Bulb of the present invention flicker represents that earth connection do not install or do not mate, and plays warning function, do not glimmer represent earth connection install correct, can safety operation, staff has been played to very safe prompting; Also controlled the break-make of closing circuit, Sign Board inserts and correctly cannot close a floodgate simultaneously, has avoided line with ground to close a floodgate and has caused the situation of device damage.
Description
Technical field
The present invention relates to the safety operation field of earth connection in power system, be specifically related to a kind of earth connection and preventMisoperation apparatus.
Background technology
Earth connection is widely used in power system, and the standby body of the large multi-link dressing of earth connection, works as circuitWhen offside has maloperation power transmission or circuit itself to have remaining capacity, just can import the earth into by earth connection, fromAnd the danger of avoiding people to be electrically shocked. Existing earth connection contains an earth terminal, and earth terminal connecting line side hasA circular Sign Board (above with earth connection label, example: #3), earth terminal offside is divided into three-phase terminal, canWith respectively with circuit on A, B, C three-phase be connected. In the use of earth connection, if 35kV circuit is madeWith 10kV earth connection, because earth connection electric pressure is less than line voltage distribution grade, will cause unnecessary electricity soAmount causes personal injury through earth connection. In real work, find near circle mark ground connection endBoard effect is limited, has only only been to provide a label, no matter earth connection or the 10kV earth connection of 35kVAll, according to the label respectively of test sequence separately, therefore in 35kV earth connection and 10kV earth connection, all existThis common label such as " #1 ", " #2 ", easily causes operating personnel and guardian to produce work mistake,Mistake is used the earth connection of low-voltage-grade as the earth connection of voltage levels.
Grid switching operation is the basic operation in electrical operation, in the time carrying out grid switching operation, must follow regulationOperating sequence. Due to the existence of five-defence block, in the process of power transmission operation, substantially prevent from not plucking ground connectionThe accident that line bar carries out power transmission operation occurs. Even but there is the existence of five anti-devices, still occur in recent yearsA lot of rising forget that removing the accidents that earth connection just closes a floodgate occurs. The reason of searching to the bottom is due to five anti-devicesRelease by force, often some operating personnel has carried out wrong release not according to regulation to five anti-devices, orThe pertinent regulations that person does not follow grid switching operation are used short-circuit line and unlocking tool to unblank, and have caused sending out of accidentRaw; Because earth terminal is relatively little, be easily left in the basket, operating personnel forget installing and connect in operating process simultaneouslyGround wire is maked an inspection tour personnel inspection also inconvenient simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of earth connection anti-misoperation apparatus, it is right to have solved in prior artGrafting and the loading or unloading operation of earth connection are easily made a fault, and do not peg graft ground wire or wrong plug earth connection cause staffBy unnecessary electric weight Shanghai or right, and do not take off the faulty operation that line combined floodgate with ground easily appears in earth connectionProblem.
For solving above-mentioned technical problem, the present invention by the following technical solutions: the anti-error behaviour of a kind of earth connectionMake circuit,
Comprise the main circuit that is in series with the first tongue tube, electric capacity of the dacron, diode and multivibrator;
Comprise and be in series with the second tongue tube closing circuit;
Comprise by bidirectional thyristor and the bulb warning light branch road forming of mutually connecting;
Wherein said warning light branch road and electric capacity of the dacron, diode, multivibrator are in parallel, multivibrator and promptingThe bidirectional thyristor of lamp branch road is connected; Described the first tongue tube and the second tongue tube are normally closed.
A kind of earth connection anti-misoperation apparatus, is provided with earth connection Anti-misoperation circuit, comprises socket deviceAnd Sign Board, described socket device is to be mainly made up of the base mutually fastening and transparent outer cover, described transparent outsideShell is provided with Sign Board socket, is provided with the first tongue tube and the second tongue tube forever suitable in described Sign BoardFlat thin magnet, and Sign Board and earth connection interconnect.
Further technical scheme is the wall thickness 1mm of above-mentioned transparent outer cover, long 15cm, and wide 13cm,High 15cm.
Further technical scheme is the induction of above-mentioned the first tongue tube, the second tongue tube and permanent magnet piecesDistance is less than 5mm.
Further technical scheme is near the transparent outer cover described Sign Board socket, to be provided with rotation admittedlyDetermine bolt.
Further technical scheme is also to comprise the alarm door Switching Power Supply terminals that join with main circuit,And the power switch terminals that join with closing circuit.
Compared with prior art, the invention has the beneficial effects as follows: utilize Sign Board to insert Sign Board socket, markThe permanent magnet pieces of knowing in board disconnects the first tongue tube and the second tongue tube on main circuit and closing circuit, controlsThe break-make of main circuit, whether the flicker of bulb to be, and flicker represents that earth connection do not install or do not mate, and plays policeShow effect, do not glimmer represent earth connection install correct, can safety operation, staff has been played veryThe prompting of safety; Also controlled the break-make of closing circuit, Sign Board inserts and correctly cannot close a floodgate, and avoids simultaneouslyLine with ground close a floodgate and cause the situation of device damage.
Brief description of the drawings
Fig. 1 is the circuit connection diagram of an embodiment of a kind of earth connection Anti-misoperation circuit of the present invention.
Fig. 2 is the structural representation of an embodiment of a kind of earth connection anti-misoperation apparatus of the present invention.
Fig. 3 is that the A of Fig. 1 is to schematic diagram.
Fig. 4 is the signboard structure schematic diagram of an embodiment of a kind of earth connection anti-misoperation apparatus of the present invention.
Fig. 5 is that the A of Fig. 4 is to schematic diagram.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing andEmbodiment, is further elaborated to the present invention. Only should be appreciated that specific embodiment described hereinOnly, in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows an embodiment of a kind of earth connection Anti-misoperation circuit of the present invention: a kind of earth connectionAnti-misoperation circuit,
Comprise the main circuit that is in series with the first tongue tube G1, electric capacity of the dacron C1, diode VD1 and multivibrator;Comprise the closing circuit that is in series with the second tongue tube G2;
Comprise by bidirectional thyristor VS1 and the bulb 9 warning light branch road that series connection forms mutually;
Wherein said warning light branch road and electric capacity of the dacron C1, diode VD1, multivibrator are in parallel, multi-harmonic-oscillationsIn device, be connected with the bidirectional thyristor VS1 in warning light branch road; Described the first tongue tube G1 and the second tongue tubeG2 is normally closed.
A kind of earth connection Anti-misoperation circuit specific embodiment according to the present invention, Array selection is as follows:Capacitor C 1 is that 0.47 μ/400V electric capacity of the dacron, C2 are 220 μ/6V, and C3, C4 are 50 μ/16V. ResistanceR1 is 1M/1W, and R2, R3 are 20K/1/4W. Diode VD1,2 select 1N4007. Zener diodeVD3 selects 5V/1W. Diode VD4 is 1N4004. Bidirectional thyristor VS1 is TLC3A/800V. ThreeUtmost point pipe VT1, VT2 are 3CK9D, and bulb is 220v, 5w. Tongue tube G1, G2 model are LBX50202,Contact current is 5A.
Fig. 2 and Fig. 3 show an embodiment of a kind of earth connection anti-misoperation apparatus of the present invention, installThere is the earth connection Anti-misoperation circuit shown in Fig. 1, comprise socket device and Sign Board 4, described socket device masterIf be made up of the base 1 mutually fastening and transparent outer cover 2, described transparent outer cover 2 is provided with Sign Board socket3, in described Sign Board 4, be provided with and the first tongue tube G1 and the suitable permanent magnet pieces 5 of the second tongue tube G2,And Sign Board 4 interconnects with earth connection.
A kind of earth connection anti-misoperation apparatus preferred embodiment according to the present invention, transparent outer cover 2Wall thickness 1mm, long 15cm, wide 13cm, high 15cm.
Another preferred embodiment of a kind of earth connection anti-misoperation apparatus according to the present invention, the first tongue tubeThe distance of reaction of G1, the second tongue tube G2 and permanent magnet pieces 5 is less than 5mm.
Another preferred embodiment of a kind of earth connection anti-misoperation apparatus according to the present invention, in described markNear transparent outer cover 2 board socket 3 is provided with rotation gim peg 10.
According to the present invention, another preferred embodiment of a kind of earth connection anti-misoperation apparatus, also comprises and masterThe alarm door Switching Power Supply terminals 8 that circuit joins, and the power switch terminals that join with closing circuit11。
Fig. 4 and Fig. 5 show an embodiment of the device of a kind of earth connection Anti-misoperation circuit of the present inventionIn, Sign Board 4 can be triangle, its bottom side length 5cm, and thick 4mm, corresponding Sign Board socket 3 is alsoBe made into bottom side length 5cm, thick 4mm, high 7cm. Also Sign Board 4 can be made into circle or other shapesShape, its bottom side length and thickness are all not identical, if unmatched Sign Board 4 inserts in Sign Board socket 3, areCan not agree with completely, the permanent magnet pieces 5 on Sign Board 4 also just cannot allow the first tongue tube G1 and second dryReed pipe G2 disconnects.
Workflow of the present invention and mode are:
While having a power failure operation: 1, carry out five anti-microcomputers and simulate safely; The operating process of 2, five anti-microcomputers being simulated safely passesEnter five preventing keys; 3,, after five preventing key end of transmissions, drop into lock-reclosing lock pressing plate; 4, at background computerUpper cut-off breaker, now because earth connection Sign Board does not insert in Sign Board socket, therefore the second tongue tubeG2 is in connected state, and closing circuit is in connected state, so can operating breaker; 5, the good peace of bandFull cap, insulating glove, insulating boot, electroscope, earth connection, action bars etc. come to the spot; 6, first stripingTrackside disconnecting link, then disconnect bus bar side disconnecting link. 7, open switch operation cabinet net door, now net door normal open switch J1Closure, in earth connection Sign Board does not insert this device time, the first tongue tube G1 in main circuit is in normally closedState, circuit turn-on, the conducting of warning light branch road, bulb flicker, alert need to be installed earth connection;8, carry out again electrical verification, and one group of position, line side hanging earthing conductor; 9, the Sign Board of earth connection is inserted to markIn board socket, if the Sign Board of this earth connection can not insert, should check so the voltage of corresponding earth connection etc.Level, observes whether take the earth connection of this electric pressure matching, if can normally insert, and the first tongue tubeG1 is subject to the magnetic field of permanent magnet coating on Sign Board and disconnects, and bulb stops flicker, represent ground connection work correctly complete,The second tongue tube G2 is in off-state simultaneously, and closing circuit disconnects, and so now can not carry out closing operation;10, finally rotating gim peg is stuck in device Sign Board.
When power transmission operation: have a power failure while operation, if want to close a floodgate, if do not extract earth connection, thatBecause earth connection Sign Board is still in Sign Board socket, the second normally closed tongue tube is subject in the effect in magnetic fieldPortion is in off-state, and closing circuit so now still disconnects, and loop can not switch on, and cannot close a floodgateOperation, has avoided operating personnel not extract earth connection and has carried out closing operation, so need 1, carry out micro_computer five_proofSafety simulation; Five preventing keys are imported in the operating process of 2, five anti-microcomputers being simulated safely into; 3, micro_computer five_proof transmissionAfter, earth connection is taken off from circuit; 4, rotation gim peg is opened socket; 5, by Sign Board from deviceMiddle taking-up, the now inner conducting of the first tongue tube, warning circuit work, alarm lamp flicker, represents earth connection markKnow board not in Sign Board socket, the operation that can not have a power failure, the while, the second tongue tube was not subject to magnetic yetThe impact of field, the second tongue tube of normally off recovers closure state, inner conducting, therefore closing circuit soConducting, can carry out closing operation; 6, the bus bar side disconnecting link that closes, line side disconnecting link then closes; 7, closeBreaker; 8, finally drop into again circuit backup power automatic switching pressing plate.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here,,Should be appreciated that, those skilled in the art can design a lot of other amendment and embodiments, these amendments andWithin embodiment will drop on the disclosed principle scope and spirit of the application. More particularly, disclose in the application,In the scope of accompanying drawing and claim, can carry out multiple to the building block of subject combination layout and/or layoutModification and improvement. Except modification that building block and/or layout are carried out with improving, for art technologyPersonnel, other purposes will be also obvious.
Claims (6)
1. an earth connection Anti-misoperation circuit, is characterized in that:
Comprise and be in series with the first tongue tube (G1), electric capacity of the dacron (C1), diode (VD1) and multi-harmonic-oscillationsThe main circuit of device;
Comprise the closing circuit that is in series with the second tongue tube (G2);
Comprise by bidirectional thyristor (VS1) and the bulb warning light branch road forming of mutually connecting;
Wherein said warning light branch road and electric capacity of the dacron (C1), diode (VD1), multivibrator are in parallel, manyHarmonic oscillator is connected with the bidirectional thyristor (VS1) in warning light branch road; Described the first tongue tube (G1) and(G2) is normally closed for the second tongue tube.
2. an earth connection anti-misoperation apparatus, is provided with earth connection Anti-misoperation circuit claimed in claim 1,It is characterized in that: comprise socket device and Sign Board (4), described socket device is mainly by mutually fasteningBase (1) and transparent outer cover (2) form, and described transparent outer cover (2) is provided with Sign Board socket (3),In described Sign Board (4), be provided with and the first tongue tube (G1) and the suitable permanent magnetism of the second tongue tube (G2)Iron plate (5), and Sign Board (4) interconnects with earth connection.
3. earth connection anti-misoperation apparatus according to claim 2, is characterized in that: described transparent outer cover (2)Wall thickness 1mm, long 15cm, wide 13cm, high 15cm.
4. earth connection anti-misoperation apparatus according to claim 2, is characterized in that: described the first tongue tube(G1), the distance of reaction of the second tongue tube (G2) and permanent magnet pieces (5) is less than 5mm.
5. earth connection anti-misoperation apparatus according to claim 2, is characterized in that: insert at described Sign BoardNear transparent outer cover (2) mouth (3) is provided with rotation gim peg (10).
6. earth connection anti-misoperation apparatus according to claim 2, is characterized in that: also comprise and main circuitThe alarm door Switching Power Supply terminals (8) that join, and the power switch terminals (11) that join with closing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457411.4A CN102969659B (en) | 2012-11-14 | 2012-11-14 | Earth connection anti-misoperation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457411.4A CN102969659B (en) | 2012-11-14 | 2012-11-14 | Earth connection anti-misoperation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102969659A CN102969659A (en) | 2013-03-13 |
| CN102969659B true CN102969659B (en) | 2016-05-11 |
Family
ID=47799622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210457411.4A Active CN102969659B (en) | 2012-11-14 | 2012-11-14 | Earth connection anti-misoperation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102969659B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220960B (en) * | 2015-10-25 | 2017-09-22 | 国家电网公司 | A kind of ground wire anti-misoperation lock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3385673B2 (en) * | 1993-10-22 | 2003-03-10 | 株式会社明電舎 | Disconnector locking device |
| CN102157281A (en) * | 2011-03-19 | 2011-08-17 | 辽宁省电力有限公司葫芦岛供电公司 | Anti-misoperation device between earth line and isolator |
| CN203103780U (en) * | 2012-11-14 | 2013-07-31 | 四川省电力公司内江电业局 | Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3674023B2 (en) * | 1999-04-12 | 2005-07-20 | 株式会社高岳製作所 | High pressure automatic switchgear |
-
2012
- 2012-11-14 CN CN201210457411.4A patent/CN102969659B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3385673B2 (en) * | 1993-10-22 | 2003-03-10 | 株式会社明電舎 | Disconnector locking device |
| CN102157281A (en) * | 2011-03-19 | 2011-08-17 | 辽宁省电力有限公司葫芦岛供电公司 | Anti-misoperation device between earth line and isolator |
| CN203103780U (en) * | 2012-11-14 | 2013-07-31 | 四川省电力公司内江电业局 | Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102969659A (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305620B (en) | A kind of breaker closing control loop template monitoring system | |
| CN204044230U (en) | With the high voltage display device that error proof locking system of microcomputer is supporting | |
| CN203103780U (en) | Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device | |
| CN107450019A (en) | Handcart type breaker low-voltage motion test instrument | |
| CN108011348A (en) | Low-voltage intelligent distribution Control protection system and its control guard method | |
| CN101246783B (en) | Intelligent locking method of outdoor looped network cabinet wire spacing ground switch | |
| CN104251931B (en) | General changeable type charge indicating device | |
| CN102969659B (en) | Earth connection anti-misoperation apparatus | |
| CN207868705U (en) | A kind of drawer type control device and switch cabinet system | |
| CN206611180U (en) | Double-bus secondary voltage switching circuit and its self-hold circuit | |
| CN203165837U (en) | Novel fuse-type isolating switch | |
| CN208014109U (en) | A kind of burglar alarm for cable | |
| CN205620457U (en) | PT secondary voltage signal isolation sampling device based on isolation transformer | |
| CN209056099U (en) | Line combined floodgate power transmission body-sensing device with ground | |
| CN202815071U (en) | High-voltage live detection indication system | |
| CN109659841B (en) | Secondary wiring circuit of isolation cabinet | |
| CN102346208A (en) | Electricity steal-resistant system | |
| CN206602360U (en) | A kind of device for realizing electrical interlocks switching | |
| CN207303821U (en) | Switchboard control circuit | |
| CN205159233U (en) | But circuit breaker of hot plugging controller | |
| CN105069943B (en) | Cable anti-theft arrangement | |
| CN205921213U (en) | Terminal box | |
| CN205986124U (en) | Connecting circuit is prevented jumping by switch that is equipped with overload protection device | |
| CN202856168U (en) | Locking device of heavy-current ring main unit | |
| CN203398076U (en) | Insulating device preventing breaking radial-arm type fuse from mis-closing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |