CN203103780U - Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device - Google Patents
Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device Download PDFInfo
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- CN203103780U CN203103780U CN 201220599032 CN201220599032U CN203103780U CN 203103780 U CN203103780 U CN 203103780U CN 201220599032 CN201220599032 CN 201220599032 CN 201220599032 U CN201220599032 U CN 201220599032U CN 203103780 U CN203103780 U CN 203103780U
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- earth connection
- misoperation
- grounding wire
- tongue tube
- circuit
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Abstract
The utility model relates to the grounding wire safety operation field in an electric power system and especially relates to a grounding wire anti-misoperation circuit and a grounding wire anti-misoperation device. The grounding wire anti-misoperation device comprises a socket device and a signboard (4), wherein the socket device is mainly formed by a foundation (1) and a transparent casing (2) which are buckled mutually, the transparent casing (2) is provided with a signboard jack (3), the signboard (4) is internally provided with a permanent magnet sheet (5) which is matched with a first reed tube (G1) and a second reed tube (G2), and the signboard (4) is in mutual connection with grounding wire. According to the grounding wire anti-misoperation device, if a lamp flickers, the grounding wire is approved to be not mounted or matched, flickering has a function of alarming; if the lamp does not flicker, the grounding wire is approved to be mounted correctly, so operation is safe, and a function of safety prompting is greatly realized for work personnel, moreover, on-off of a closing loop is controlled, closing can not be realized when the signboard is correctly inserted, and thereby damage to equipment caused by carrying out closing with the grounding wire is avoided.
Description
Technical field
The utility model relates to the safety operation field of earth connection in the electric power system, is specifically related to a kind of earth connection anti-misoperation circuit and device thereof.
Background technology
Earth connection is widely used in electric power system, and the body that the big multi-link dressing of earth connection is equipped with when the circuit offside has misoperation to send electricity or circuit itself that remaining capacity is arranged, just can import the earth into by earth connection, thus the danger of avoiding people to be shocked by electricity.Existing earth connection contains an earth terminal, earth terminal connecting line next door have a circular Sign Board (top with the earth connection label, example: #3), the earth terminal offside is divided into three-phase terminal, can be respectively with circuit on A, B, the C three-phase links to each other.In the use of earth connection,,, will cause unnecessary electric weight to cause personal injury through earth connection so because the earth connection electric pressure is littler than line voltage distribution grade if the 35kV circuit has been used the 10kV earth connection.In real work, find, near the ground connection end circular Sign Board effect is limited, only only provided a label, no matter still be the 10kV earth connection, the earth connection of 35kV all distinguishes label according to sequence of tests separately, therefore in 35kV earth connection and 10kV earth connection, all exist this common labels such as " #1 ", " #2 ", cause operating personnel and guardian to produce work mistake easily, the earth connection that mistake regards the earth connection of low-voltage grade as voltage levels uses.
Grid switching operation is the basic operation in the electrical operation, when carrying out grid switching operation, must follow the operating sequence of regulation.Because the existence of five-defence block in the process of sending the electricity operation, has prevented from not pluck the earth connection bar substantially and has sent the accident of electricity operation to take place.But even the existence of five anti-devices has been arranged, a lot of rising still taken place in recent years forgotten that removing the accidents that earth connection just closes a floodgate takes place.The reason of searching to the bottom is because five anti-device releases by force, often some operating personnel has carried out wrong release not according to regulation to five anti-devices, perhaps do not follow the pertinent regulations of grid switching operation and use short-circuit line and unlocking tool to unblank, caused the generation of accident; Because earth terminal is less relatively, be left in the basket easily simultaneously, operating personnel forget the installing earth connection in operating process, and it is also inconvenient to make an inspection tour personnel inspection simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of earth connection anti-misoperation circuit and device thereof; having solved in the prior art grafting and the loading or unloading operation to earth connection makes a fault easily; do not peg graft ground wire or wrong plug earth connection causes the staff by unnecessary electric weight Shanghai or right, and do not take off the problem that the faulty operation of closing a floodgate with earth connection appears in earth connection easily.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of earth connection anti-misoperation circuit,
Comprise the main circuit that is in series with first tongue tube, electric capacity of the dacron, diode and multivibrator;
Comprise and be in series with the second tongue tube closing circuit;
Comprise the warning light branch road of connecting mutually and forming by bidirectional thyristor and bulb;
Wherein said warning light branch road and electric capacity of the dacron, diode, multivibrator are in parallel, link to each other with bidirectional thyristor in the warning light branch road in the multivibrator; Described first tongue tube and second tongue tube are normally closed.
A kind of earth connection anti-misoperation apparatus, earth connection anti-misoperation circuit is installed, comprise socket device and Sign Board, described socket device mainly is to be made of the base of mutual fastening and transparent outer cover, described transparent outer cover is provided with the Sign Board socket, be provided with in the described Sign Board and first tongue tube and the suitable permanent magnet pieces of second tongue tube, and Sign Board and earth connection interconnect.
Further technical scheme is the wall thickness 1mm of above-mentioned transparent outer cover, long 15cm, wide 13cm, high 15cm.
Further technical scheme is that the distance of reaction of above-mentioned first tongue tube, second tongue tube and permanent magnet pieces is less than 5mm.
Further technical scheme is to be provided with the rotation gim peg near the transparent outer cover the described Sign Board socket.
Further technical scheme is also to comprise the warning door switch supply terminals that joins with main circuit, and the power switch terminals that join with closing circuit.
Compared with prior art, the beneficial effects of the utility model are: utilize Sign Board to insert the Sign Board socket, permanent magnet pieces in the Sign Board disconnects first tongue tube and second tongue tube on main circuit and the closing circuit, the break-make of control main circuit, whether the flicker of bulb to be, and flicker represents that then earth connection do not install or do not match, play warning function, do not glimmer then represent earth connection install correct, can safety operation, the staff has been played prompting as safe as a house; Also controlled simultaneously the break-make of closing circuit, Sign Board inserts and correctly then can't close a floodgate, and has avoided the band earth connection to close a floodgate and has caused the situation of device damage.
Description of drawings
Fig. 1 is the circuit connection diagram of an embodiment of a kind of earth connection anti-misoperation of the utility model circuit.
Fig. 2 is the structural representation of an embodiment of a kind of earth connection anti-misoperation apparatus of the utility model.
Fig. 3 is that the A of Fig. 2 is to schematic diagram.
Fig. 4 is the Sign Board structural representation of an embodiment of a kind of earth connection anti-misoperation apparatus of the utility model.
Fig. 5 is that the A of Fig. 4 is to schematic diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows an embodiment of a kind of earth connection anti-misoperation of the utility model circuit: a kind of earth connection anti-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 the warning light branch road of connecting and forming mutually by bidirectional thyristor VS1 and bulb 9;
Wherein said warning light branch road and electric capacity of the dacron C1, diode VD1, multivibrator are in parallel, link to each other with bidirectional thyristor VS1 in the warning light branch road in the multivibrator; The described first tongue tube G1 and the second tongue tube G2 are normally closed.
According to a specific embodiment of a kind of earth connection anti-misoperation of the utility model circuit, device is selected 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.Resistance R 1 is 1M/1W, and R2, R3 are 20K/1/4W.Diode VD1,2 select 1N4007.Voltage stabilizing didoe VD3 selects 5V/1W.Diode VD4 is 1N4004.Bidirectional thyristor VS1 is TLC3A/800V.Triode VT1, VT2 are 3CK9D, and bulb is 220v, 5w.Tongue tube G1, G2 model are LBX50202, and contact current is 5A.
Fig. 2 and Fig. 3 show an embodiment of a kind of earth connection anti-misoperation apparatus of the utility model, earth connection anti-misoperation circuit shown in Figure 1 is installed, comprise socket device and Sign Board 4, described socket device mainly is to be made of the base 1 of mutual fastening and transparent outer cover 2, described transparent outer cover 2 is provided with Sign Board socket 3, be provided with in the described Sign Board 4 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.
According to a preferred embodiment of a kind of earth connection anti-misoperation apparatus of the utility model, the wall thickness 1mm of transparent outer cover 2, long 15cm, wide 13cm, high 15cm.
According to another preferred embodiment of a kind of earth connection anti-misoperation apparatus of the utility model, the distance of reaction of the first tongue tube G1, the second tongue tube G2 and permanent magnet pieces 5 is less than 5mm.
According to another preferred embodiment of a kind of earth connection anti-misoperation apparatus of the utility model, near the transparent outer cover 2 the described Sign Board socket 3, be provided with rotation gim peg 10.
According to another preferred embodiment of a kind of earth connection anti-misoperation apparatus of the utility model, also comprise the warning door switch supply terminals 8 that joins with main circuit, and the power switch terminals 11 that join with closing circuit.
Fig. 4 and Fig. 5 show among the embodiment of device of a kind of earth connection anti-misoperation of the utility model circuit, and Sign Board 4 can be triangle, its bottom side length 5cm, and thick 4mm, corresponding Sign Board socket 3 also is made into bottom side length 5cm, thick 4mm, high 7cm.Also Sign Board 4 can be made into circle or other shapes, its bottom side length and thickness are all inequality, if unmatched Sign Board 4 inserts in the Sign Board socket 3, can not agree with fully, the permanent magnet pieces 5 on the Sign Board 4 also just can't allow the first tongue tube G1 and the second tongue tube G2 disconnect.
Workflow of the present utility model and mode are:
When having a power failure operation: 1, carry out five anti-microcomputer safety simulations; 2, import the operating process of five anti-microcomputer safety simulations into five preventing keys; 3, after five preventing key end of transmissions, drop into locking reclosing pressing plate; 4, cut-off breaker on background computer, therefore this moment is not because the earth connection Sign Board inserts in the Sign Board socket, and the second tongue tube G2 is in connected state, and promptly closing circuit is in connected state, so can operating breaker; 5, be with safety cap, insulating gloves, insulation boots, electroscope, earth connection, action bars etc. to come to the spot; 6, first open-circuit line side tool lock disconnects the bus bar side disconnecting link again.7, open switch operation cabinet net door, net door normal open switch J1 closure this moment, when the earth connection Sign Board does not insert in this device, the first tongue tube G1 in the main circuit is in normally off, circuit turn-on, the conducting of warning light branch road, the bulb flicker, alert need be installed earth connection; 8, carry out electrical verification again, and one group of position, line side hanging earthing conductor; 9, the Sign Board with earth connection inserts in the Sign Board socket, if the Sign Board of this earth connection can not insert, should check the electric pressure of corresponding earth connection so, observe whether take the earth connection of this electric pressure that is complementary, if can normally insert, the first tongue tube G1 is subjected to the magnetic field of permanent magnet coating on the Sign Board and disconnects, bulb stops flicker, the work of expression ground connection is correctly finished, the second tongue tube G2 is in off-state simultaneously, and closing circuit disconnects, and can not carry out closing operation this moment so; 10, rotating gim peg at last is stuck in the device Sign Board.
When sending the electricity operation: when the operation that has a power failure is finished, close a floodgate if want, if do not extract earth connection, so since the earth connection Sign Board still in the Sign Board socket, the effect inside that the second normally closed tongue tube is subjected to magnetic field is in off-state, Ci Shi closing circuit disconnection still so, the loop can not switch on, can't carry out closing operation, avoid operating personnel not extract earth connection and carried out closing operation, so need 1, carry out the simulation of micro_computer five_proof safety; 2, import the operating process of five anti-microcomputer safety simulations into five preventing keys; 3, behind the micro_computer five_proof end of transmission, earth connection is taken off from circuit; 4, the rotation gim peg is opened socket; 5, Sign Board is taken out from device, the inner conducting of first tongue tube this moment, warning circuit work, the alarm lamp flicker, expression earth connection Sign Board is not in the Sign Board socket, operation can not have a power failure, second tongue tube is not subjected to the influence in magnetic field yet simultaneously, and second tongue tube of normally off recovers closure state, inner conducting so, therefore closing circuit conducting can be carried out closing operation; 6, the bus bar side disconnecting link that closes, line side disconnecting link then closes; 7, the circuit breaker that closes; 8, drop into circuit prepared auto restart pressing plate at last again.
Although with reference to a plurality of explanatory embodiment of the present utility model the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open and claim, can carry out multiple modification and improvement to the building block and/or the layout of subject combination layout in the application.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be tangible.
Claims (6)
1. earth connection anti-misoperation circuit is characterized in that:
Comprise the main circuit that is in series with first tongue tube (G1), electric capacity of the dacron (C1), diode (VD1) and multivibrator;
Comprise the closing circuit that is in series with second tongue tube (G2);
Comprise the warning light branch road of connecting mutually and forming by bidirectional thyristor (VS1) and bulb;
Wherein said warning light branch road and electric capacity of the dacron (C1), diode (VD1), multivibrator are in parallel, link to each other with bidirectional thyristor (VS1) in the warning light branch road in the multivibrator; Described first tongue tube (G1) and second tongue tube (G2) are normally closed.
2. earth connection anti-misoperation apparatus, the described earth connection anti-misoperation of claim 1 circuit is installed, it is characterized in that: comprise socket device and Sign Board (4), described socket device mainly is to be made of base of mutual fastening (1) and transparent outer cover (2), described transparent outer cover (2) is provided with Sign Board socket (3), be provided with in the described Sign Board (4) and first tongue tube (G1) and the suitable permanent magnet pieces (5) of second tongue tube (G2), and Sign Board (4) interconnects with earth connection.
3. earth connection anti-misoperation apparatus according to claim 2 is characterized in that: the wall thickness 1mm of described transparent outer cover (2), long 15cm, wide 13cm, high 15cm.
4. earth connection anti-misoperation apparatus according to claim 2 is characterized in that: the distance of reaction of described first tongue tube (G1), 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: be provided with rotation gim peg (10) near the transparent outer cover (2) the described Sign Board socket (3).
6. earth connection anti-misoperation apparatus according to claim 2 is characterized in that: also comprise the warning door switch supply terminals (8) that joins with main circuit, and the power switch terminals (11) that join with closing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599032 CN203103780U (en) | 2012-11-14 | 2012-11-14 | Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599032 CN203103780U (en) | 2012-11-14 | 2012-11-14 | Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103780U true CN203103780U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220599032 Expired - Lifetime CN203103780U (en) | 2012-11-14 | 2012-11-14 | Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device |
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| Country | Link |
|---|---|
| CN (1) | CN203103780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969659A (en) * | 2012-11-14 | 2013-03-13 | 四川省电力公司内江电业局 | Anti-misoperation device of ground lead |
| CN103701055A (en) * | 2013-12-31 | 2014-04-02 | 广州供电局有限公司 | Relay protection and automated pressing plate mistake prevention rubber sleeve |
| CN104600575A (en) * | 2015-01-07 | 2015-05-06 | 国家电网公司 | Antistatic grounding device installed with ground wires |
-
2012
- 2012-11-14 CN CN 201220599032 patent/CN203103780U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969659A (en) * | 2012-11-14 | 2013-03-13 | 四川省电力公司内江电业局 | Anti-misoperation device of ground lead |
| CN102969659B (en) * | 2012-11-14 | 2016-05-11 | 四川省电力公司内江电业局 | Earth connection anti-misoperation apparatus |
| CN103701055A (en) * | 2013-12-31 | 2014-04-02 | 广州供电局有限公司 | Relay protection and automated pressing plate mistake prevention rubber sleeve |
| CN103701055B (en) * | 2013-12-31 | 2016-02-17 | 广州供电局有限公司 | Relaying protection and the anti-error gum cover of automation pressing plate |
| CN104600575A (en) * | 2015-01-07 | 2015-05-06 | 国家电网公司 | Antistatic grounding device installed with ground wires |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20160511 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |