CN207282911U - A kind of closedown structure of transformer substation grounding wire - Google Patents

A kind of closedown structure of transformer substation grounding wire Download PDF

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Publication number
CN207282911U
CN207282911U CN201721035869.5U CN201721035869U CN207282911U CN 207282911 U CN207282911 U CN 207282911U CN 201721035869 U CN201721035869 U CN 201721035869U CN 207282911 U CN207282911 U CN 207282911U
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CN
China
Prior art keywords
switch
selecting switch
closedown structure
transformer substation
circuit
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Active
Application number
CN201721035869.5U
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Chinese (zh)
Inventor
蒋国顺
王彦东
严锦华
于胜洋
刘耀晋
林允滨
刘骧
陈青松
林晓波
白德宁
李继光
周浩
陈卓
刘亮
卓欣
靳跃鹏
郭军杰
黄腾鲲
单晟毅
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Priority to CN201721035869.5U priority Critical patent/CN207282911U/en
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Publication of CN207282911U publication Critical patent/CN207282911U/en
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Abstract

It the utility model is related to a kind of closedown structure of transformer substation grounding wire, including five anti-padlocks on earthing rod and the electric blocking circuit of ground wire;The closedown structure further includes the selecting switch and five anti-circuit breaker lock boxes for connecting electric blocking circuit;The selecting switch is connected with electric blocking circuit;The five anti-circuit breaker lock boxes are installed in selecting switch, for preventing selecting switch by random set;By the way that the selecting switch for reflecting ground wire physical location is accessed corresponding electric blocking circuit, earth wire carries out management and control, effectively improves the security that temporary ground wire uses;Meanwhile this programme is also provided with five anti-switch enclosures in selecting switch, for preventing selecting switch from tearing the reliability of temporary ground wire open by random set, raising;The present apparatus has the characteristics that to safeguard simple, adaptable, highly reliable, safe.

Description

A kind of closedown structure of transformer substation grounding wire
Technical field
The technical field of electric blocking is the utility model is related to, more particularly to a kind of closedown structure of transformer substation grounding wire.
Background technology
At present, there is no associating electrically and mechanically between temporary ground wire and the equipment in substation, ground wire is only Instrument as an auxiliary security;Electrical or mechanical locking can not be formed, the management for temporary ground wire is substation's peace The problem managed entirely.To ensure the safety of service personnel, when overhaul of the equipments, needs to install temporary ground wire, recovers after the completion of maintenance During power transmission, torn open because of leakage and release five anti-lock operations in temporary ground wire power transmission or debugging and maintenance device procedures without authorization, cause band to face When be grounded power transmission serious accident often occur.It is grounded locking isolator operation and lacks effective technology management and control means. Exist in the prior art that maintenance cost is high, maintenance workers are felt embarrassed, bad adaptability and the defects of poor reliability.
The content of the invention
Maintenance cost existing in the prior art is high, maintenance workers are felt embarrassed, bad adaptability and reliability to solve for the utility model A kind of the defects of poor, there is provided closedown structure of transformer substation grounding wire.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of closedown structure of transformer substation grounding wire, including five anti-padlocks and the electric blocking time of ground wire on ground stud Road;The closedown structure further includes the selecting switch and five anti-circuit breaker lock boxes for connecting electric blocking circuit;Described Selecting switch is connected with electric blocking circuit;The five anti-circuit breaker lock boxes are installed in selecting switch, for preventing from selecting Switch is by random set.
Wherein, when needing to install ground wire, five anti-padlocks on earthing rod is first opened, further open temporary ground wire Five anti-circuit breaker lock boxes in selecting switch, selecting switch is selected to ground connection line position, and control electric blocking circuit, which is realized, to be closed Lock operation, carries out ground wire operation;When needing to remove ground wire, five anti-padlocks on earthing rod are opened, further opens and faces When be grounded five anti-circuit breaker lock boxes of line options switch, selecting switch is selected to ground line position is torn open, releases electric blocking circuit Lock operation, tear open ground wire operation;In the technical program, selecting switch is added in electric blocking circuit, to ground connection Line carries out management and control, operation operating personnel can by way of simple switching selection switch, simple and reliable reaction ground wire State;Meanwhile five anti-circuit breaker lock boxes are installed in selecting switch, for preventing selecting switch by random set, and cause Locking is failed.
Preferably, the selecting switch has two gears, and a gear is installing ground wire, two gears are dismounting ground wire.
Preferably, the closedown structure further includes multiple terminal boxs for being useful for installation selecting switch.
Preferably, the terminal box includes babinet and terminal box panel, and the selecting switch is installed on terminal box face On plate.
Preferably, the electric blocking circuit includes line segregation locked loop and/or busbar interval locked loop.
Preferably, the line segregation locked loop has three circuit latch switch nodes, and the circuit locking is opened Disconnecting switch 1G, disconnecting switch 2G and disconnecting switch 3G are connected in artis respectively.
Preferably, the busbar interval locked loop has two busbar latch switch nodes, and the busbar locking is opened Disconnecting switch G1 and disconnecting switch G2 are connected in artis respectively.
Preferably, the selecting switch is multiple, multiple selecting switch respectively with line segregation locked loop and busbar It is spaced locked loop connection.
Compared with prior art, the beneficial effects of the utility model are:By will reflect the selection of ground wire physical location Switch accesses corresponding electric blocking circuit, and earth wire carries out management and control, effectively improves the security that temporary ground wire uses;Together When, this programme is also provided with five anti-switch enclosures in selecting switch, for preventing selecting switch from tearing open interim by random set, raising The reliability of ground wire;The present apparatus has the characteristics that to safeguard simple, adaptable, highly reliable, safe.
Brief description of the drawings
Fig. 1 is the line segregation locked loop schematic diagram of the utility model closedown structure.
Fig. 2 is the line segregation terminal box panel schematic diagram of the utility model closedown structure.
Fig. 3 is the busbar interval locked loop schematic diagram of the utility model closedown structure.
Fig. 4 is the 1M busbar spacing terminal case control panel schematic diagrames of the utility model closedown structure.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
A kind of closedown structure of transformer substation grounding wire, including five anti-padlocks and the electric blocking time of ground wire on ground stud Road;The closedown structure further includes the selecting switch and five anti-circuit breaker lock boxes for connecting electric blocking circuit;Described Selecting switch is connected with electric blocking circuit;The five anti-circuit breaker lock boxes are installed in selecting switch, for preventing from selecting Switch is by random set.
In the present embodiment, selecting switch has two gears, and a gear is installing ground wire, two gears are dismounting ground wire;Closedown structure The terminal box for being useful for control selections switch is further included, selecting switch is installed on terminal box;Wherein, electric blocking circuit includes Line segregation locked loop and busbar interval locked loop.
Wherein, in the present embodiment, the structure diagram of the circuit locked loop of closedown structure is as shown in Figure 1:Wherein, exist Selecting switch 1 is equipped with B0C0 nodes in line electricity is gas-tight lock loop, can be opened by the way that there is provided selection before auxiliary contact 02G 1 is closed, when the selecting switch disconnection B0C0 nodes when line switching both sides are equipped with ground wire, Line To Line road is grounded and is spaced apart Close the electric blocking function of 1G and interval switch 2G;Selecting switch 2 is equipped with 40 nodes in circuit electric blocking circuit, can By being provided with selecting switch 2 before auxiliary contact 03G2, when line side is equipped with ground wire, selecting switch disconnects 40 nodes, realizes It is grounded the electric blocking function to line segregation line segregation switch 3G.Wherein, Fig. 2 is line segregation terminal box chain of command Plate, selecting switch 1, selecting switch 2 are installed on line segregation terminal box control panel, are closed 1G wherein being spaced apart, are spaced apart Close 2G and interval switch 3G is installed on line segregation terminal box control panel.
In the present embodiment, the structure diagram that locked loop is grounded on the busbar of closedown structure is as shown in Figure 3:Closing Equipped with selecting switch 3 be 1M busbar grounding line options switch at 22100 nodes in lock loop, when on 1M busbares equipped with ground connection During line, 22100 nodes are disconnected by selecting switch, so that all disconnecting switch control power supply N1 lines on 1M busbares are disconnected, it is real Electric blocking function of the ground wire to disconnecting switch 1G1 on 1M busbares on existing busbar;Similarly, 22200 sections in locked loop Point place equipped with selecting switch 4 is 2M busbar grounding line options switch, when be equipped with 2M busbares be grounded when, broken by selecting switch 22200 nodes are opened, so that being disconnected disconnecting switch 2G1 on 2M busbares controls power supply N3 lines, realize that ground wire is female to 2M on busbar The electric blocking function of all disconnecting switch on line.
Wherein, the installing of above-mentioned selecting switch 3 with 1M busbar spacing terminal case control panels, selecting switch 4 is installed and 2M On busbar spacing terminal case control panel.Fig. 4 is 1M busbar spacing terminal case control panels, and selecting switch 3 is installed between busbar Every on terminal box terminal panel.Wherein, selecting switch 4 is installed on 2M busbar spacing terminal case terminal panels.
Wherein, in the present embodiment, when needing to install ground wire, five anti-padlocks on earthing rod are first opened, further Five anti-circuit breaker lock boxes in temporary grounding line options switch are opened, selecting switch are selected electric to ground connection line position, control Locked loop realizes lock operation, carries out ground wire operation;When needing to remove ground wire, five anti-extensions on earthing rod are opened Lock, further opens five anti-circuit breaker lock boxes of temporary grounding line options switch, and selecting switch is selected to ground line position is torn open, is solved Except the lock operation in electric blocking circuit, carry out tearing ground wire operation open;In the technical program, choosing is added in electric blocking circuit Switch is selected, earth wire carries out management and control, and operation operating personnel can be by way of simple switching selection switch, and simple and reliable is anti- The state of ground wire is answered;Meanwhile five anti-circuit breaker lock boxes are installed in selecting switch, for preventing that selecting switch is random Set, causes locking to fail.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in Within the protection domain of the utility model claims.

Claims (8)

1. a kind of closedown structure of transformer substation grounding wire, including five anti-padlocks and the electric blocking time of ground wire on earthing rod Road;
It is characterized in that:The closedown structure further includes selecting switch for connecting electric blocking circuit and five anti-switches close Lock box;
The selecting switch is connected with electric blocking circuit;
The five anti-circuit breaker lock boxes are installed in selecting switch, for preventing selecting switch by random set.
2. the closedown structure of transformer substation grounding wire according to claim 1, it is characterised in that:The selecting switch has two Gear, a gear is installing ground wire, two gears are dismounting ground wire.
3. the closedown structure of transformer substation grounding wire according to claim 1, it is characterised in that:The closedown structure also wraps Include multiple terminal boxs for being useful for installation selecting switch.
4. the closedown structure of transformer substation grounding wire according to claim 3, it is characterised in that:The terminal box includes case Body and terminal box panel, the selecting switch are installed on terminal box panel.
5. the closedown structure of transformer substation grounding wire according to claim 1, it is characterised in that:The electric blocking circuit Including line segregation locked loop and/or busbar interval locked loop.
6. the closedown structure of transformer substation grounding wire according to claim 5, it is characterised in that:The line segregation locking There are three circuit latch switch nodes in circuit, connects disconnecting switch 1G respectively on the circuit latch switch node, keeps apart Close 2G and disconnecting switch 3G.
7. the closedown structure of transformer substation grounding wire according to claim 5, it is characterised in that:The busbar interval locking There are two busbar latch switch nodes in circuit, connects disconnecting switch G1 on the busbar latch switch node respectively and keeps apart Close G2.
8. according to the closedown structure of claim 1 ~ 7 any one of them transformer substation grounding wire, it is characterised in that:The selection Switch to be multiple, multiple selecting switch are connected with line segregation locked loop and busbar interval locked loop respectively.
CN201721035869.5U 2017-08-17 2017-08-17 A kind of closedown structure of transformer substation grounding wire Active CN207282911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721035869.5U CN207282911U (en) 2017-08-17 2017-08-17 A kind of closedown structure of transformer substation grounding wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721035869.5U CN207282911U (en) 2017-08-17 2017-08-17 A kind of closedown structure of transformer substation grounding wire

Publications (1)

Publication Number Publication Date
CN207282911U true CN207282911U (en) 2018-04-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508148A (en) * 2017-08-17 2017-12-22 广东电网有限责任公司佛山供电局 A kind of closedown structure of transformer substation grounding wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508148A (en) * 2017-08-17 2017-12-22 广东电网有限责任公司佛山供电局 A kind of closedown structure of transformer substation grounding wire

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