CN209029554U - A kind of substation line earth protective device - Google Patents
A kind of substation line earth protective device Download PDFInfo
- Publication number
- CN209029554U CN209029554U CN201821902663.2U CN201821902663U CN209029554U CN 209029554 U CN209029554 U CN 209029554U CN 201821902663 U CN201821902663 U CN 201821902663U CN 209029554 U CN209029554 U CN 209029554U
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- China
- Prior art keywords
- module
- clip body
- wire clip
- detection module
- dazzling screen
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Abstract
The utility model discloses a kind of substation line earth protective devices, wire clip body including arriving U-shaped structure, insulating bar, two conductive clips being connected in the inverted U-channel of wire clip body, intermediate plate spring is connected between conductive clip and wire clip body, it further include insulation shading bar, outer anti-dazzling screen, interior anti-dazzling screen, detection module, indicating module, insulation shading bar is interspersed in intermediate plate spring, the light hole of wire clip body, to detect whether the wire clamp of ground line is in mounting state inside interior slide opening, and by interior, outer anti-dazzling screen realizes the control to wire clip body inside cavity light, light is passed into detection module by light later, detection module passes to indicating module again and then achievees the purpose that remind staff.
Description
Technical field
The utility model relates to the earthy tools in electrical equipment, are to be related to a kind of substation more specifically
Line-to-ground protective device.
Background technique
Substation overhauled or safeguarded when, power equipment needs to electrical equipment after having a power failure and feeds out route
Hanging earthing conductor, to prevent personnel's electric shock accidents caused by residual voltage on route, false switching.Such as application No. is
A kind of 201810403683.3 invention earthing wire clip is exactly a kind of for realizing electrical equipment or a kind of dress of line-to-ground
It sets.However after electrical overhaul and maintenance, staff is possible to forget to remove ground line, and then causes to jump when power transmission
The case where lock, the progress of power transmission is not only influenced, but also equipment can be damaged to reduce the service life of equipment.Therefore a kind of tool is designed
Have the one of locking combined floodgate return circuit under the device or ground wire hitching state that there is prompt staff's ground line to mount
Kind substation line earth protective device becomes a kind of urgent demand.
Summary of the invention
The technical problem to be solved by the present invention is providing, there is prompt staff's ground line to have mounted, be grounded extension
Connecing under state has a kind of locking substation line earth protective device of combined floodgate return circuit.
The technical solution of the technical problem to be solved in the present invention is:
A kind of substation line earth protective device, including to U-shaped structure wire clip body, connect with wire clip body
Insulating bar, two conductive clips being connected in the inverted U-channel of wire clip body.Two conductive clips are along wire clip body
Heart line is symmetrical arranged, and intermediate plate spring is connected between conductive clip and wire clip body, it is characterised in that: further includes that insulation hides
Polished rod, outer anti-dazzling screen, interior anti-dazzling screen, detection module, indicating module.The wire clip body and insulating bar are hollow structure.It is described
Wire clip body is equipped with interior slide opening and light hole, and interior slide opening and light hole are symmetrical arranged about the lumen of wire clip body, and interior cunning
The line of centres of hole and light hole is overlapped with the center line of intermediate plate spring.The insulation shading bar is interspersed in intermediate plate spring, interior cunning
Hole, light hole inside, the one end for the shading bar that insulate and conductive clip articulated connection, the other end for the shading bar that insulate protrudes into logical
The outside of unthreaded hole, and be fixedly connected with outer anti-dazzling screen, the outer anti-dazzling screen is bonded with the outer wall of wire clip body.The interior shading
Piece is set to the inside of wire clip body, and interior anti-dazzling screen is fixedly connected with insulation shading bar, and is bonded with the inner wall of wire clip body.Institute
The outer diameter for stating insulation shading bar is less than the aperture of interior slide opening, light hole, and the hole of light hole is less than the outer diameter of outer anti-dazzling screen.The line
It presss from both sides and is equipped with optical fiber inside the lumen of ontology, one end of the optical fiber is set at light hole, and the other end and detection module of optical fiber connect
It connects.The detection module is set to inside insulating bar, and the detection module is light detection module whether to detect insulation shading bar
Outer anti-dazzling screen is opened, the detection module and indicating module are electrically connected, and whether the indicating module is to indicate wire clip body
It is folded on cable.
Preferably, the detection module includes power module, photodiode, relay, and the indicating module is equipped with two
A U-shaped terminal.The power module be battery, the photodiode, relay coil windings series connection after be attempted by electricity
Between the positive and negative anodes of source module, the normally closed contact of the relay is electrically connected by two U-shaped terminals of conducting wire and indicating module
It connects.
Preferably, the detection module includes power module, photodiode, relay, and the indicating module, which is equipped with, to be referred to
Show lamp.The power module be battery, the photodiode, relay coil windings series connection after be attempted by power module
Positive and negative anodes between, the normally closed contact of the relay is attempted by power supply mould after connecting by conducting wire with the indicator light of indicating module
Between the positive and negative anodes of block.
Preferably, the detection module includes power module, photodiode, wireless remote control transmit circuit, the instruction
Module includes second power supply module, wireless remote-controll ed receiving circuit, indicator light.The power module is to emit electricity to wireless remote control
Road provides power supply, the input terminal electrical connection of the coding chip of the photodiode and wireless remote control transmit circuit, and described the
Two power modules provide power supply, output end and the indicator light series connection of the wireless remote-controll ed receiving circuit to wireless remote-controll ed receiving circuit
It is attempted by between the positive and negative anodes of second power supply module afterwards.
Preferably, the indicating module further includes locking relay and two U-shaped terminals, and the wireless remote control receives electricity
The electrical connection of the coil windings of the output end on road and locking relay, two endpoints of the normally-closed contact of the locking relay with
Two U-shaped terminal electrical connections.
The utility model has the beneficial effects that:
1, have in the state that ground line has mounted, the function of being indicated and prompted prevents staff's maloperation；
2, have the function of being latched the closing circuit of breaker in the state that ground line has mounted, anti-stop-band ground wire
It closes a floodgate；
3, using optical fiber transmission signal, have the function of preventing personnel from getting an electric shock.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model,
Fig. 2 is the circuit diagram in a kind of embodiment of the utility model with instruction function,
Fig. 3 is the circuit diagram in a kind of embodiment of the utility model with blocking function.
In figure:
802, indicator light；
730, relay；
720, photodiode；
710, power module；
801, U-shaped terminal；
900, optical fiber；
120, light hole；
110, interior slide opening；
800, indicating module；
700, detection module；
620, interior anti-dazzling screen；
610, outer anti-dazzling screen；
500, insulate shading bar；
400, intermediate plate spring；
300, conductive clip；
200, insulating bar；
100, wire clip body；
Specific embodiment
To keep the technical solution of the utility model and beneficial effect clearer, below to the embodiments of the present invention
Further explained in detail.
As shown in Figure 1, a kind of substation line earth protective device, including to U-shaped structure wire clip body 100, with
200, two conductive clips 300 being connected in the inverted U-channel of wire clip body 100 of insulating bar that wire clip body 100 connects,
Two conductive clips 300 along wire clip body 100 center line symmetrical setting, and between conductive clip 300 and wire clip body 100
It is connected with intermediate plate spring 400.In order to realize the dexterous actions of conductive clip 300, the lower end of conductive clip 300 and wire clip body
100 articulated connections.For the ease of positioning and clamping, conductive clip is set as arc and slabbing.Two conductive clips in left and right
300 cooperations, which are realized, clamps the busbar of breaker outgoing line side.When two conductive clips 300 clamp busbar, two conductions
Intermediate plate 300 squeezes intermediate plate spring 400.Due to the effect of intermediate plate spring 400, contact conductive clip 300 more with busbar
It is anxious close.
In order to detect the clamp position, the utility model is also provided with insulation shading bar 500, outer anti-dazzling screen 610, interior shading
Piece 620, detection module 700, indicating module 800, and the placement in order to realize optical fiber 900, state wire clip body 100 and insulating bar
200 are designed as hollow structure.
Wherein wire clip body 100 is equipped with interior slide opening 110 and light hole 120, and interior slide opening 110 and light hole 120 are about wire clamp
The lumen of ontology 100 is symmetrical arranged, and the center line of the line of centres of interior slide opening 110 and light hole 120 and intermediate plate spring 400
It is overlapped.Insulation shading bar 500 is interspersed in the inside of intermediate plate spring 400, interior slide opening 110, light hole 120.The shading bar 500 that insulate can
It is slided in intermediate plate spring 400, interior slide opening 110, light hole 120.The one end for the shading bar 500 that insulate and conductive clip 300 hingedly connect
It connects, and the outer diameter for the shading bar 500 that insulate is less than the aperture of interior slide opening 110, light hole 120, the hole of light hole 120 is less than outer screening
The outer diameter of mating plate 610, in order to provide activity space to insulation shading bar 500 when 300 activity of conductive clip.Insulate shading bar
500 other end protrudes into the outside of light hole 120, and is fixedly connected with outer anti-dazzling screen 610.Outer anti-dazzling screen 610 and wire clamp
The outer wall of ontology 100 is bonded, and is blocked to realize to light hole 120.Interior anti-dazzling screen 620 is therefore interior to block interior slide opening 110
Anti-dazzling screen 620 is set to the inside of wire clip body 100, and interior anti-dazzling screen 620 is fixedly connected with insulation shading bar 500, and and wire clamp
The inner wall of ontology 100 is bonded.
For the ease of detecting light, optical fiber 900 is equipped with inside the lumen of wire clip body 100, one end of optical fiber 900 is set to
At light hole 120, to acquire light, the other end of optical fiber 900 is connect with detection module 700, to detection trigger module
700。
Detection module 700 is set to inside insulating bar, and detection module 700 is to detect insulation shading bar for light detection module
The outer anti-dazzling screen 610 of no opening.Detection module 700 and indicating module 800 are electrically connected, and indicating module 800 is to indicate wire clamp sheet
Whether body 100 is folded on cable.
According to the difference of function, detection module 700 and indicating module 800 have different structures.
The embodiment one of detection module 700 and indicating module 800:
Detection module 700 includes power module 710, photodiode 720, relay 730, and indicating module 800 is equipped with two
A U-shaped terminal 801.Detection module 700 is arranged inside insulating bar, therefore photodiode 720 has preferable light-proofness, because
This can trigger photodiode 720 after the upper end of optical fiber receives light source.Preferably, in order to keep detection effect more preferable,
Detection module 700 is equipped with shell, and wherein the inside of shell is arranged in power module 710, photodiode 720, relay 730,
And encapsulation process is all done in the place that optical fiber 900 and conducting wire pass through shell.Indicating module 800 is to be made of Shooting Technique
Block objects, and U-shaped terminal 801 and the one end being conductively connected are moulded in the inside of indicating module, and conducting wire is from instruction
The other end of module 800 stretches out, to connect external signal.The structure is similar with the structure of attaching plug in the prior art.
Battery is common and more convenient and fast power supply, therefore the utility model power module 710 is battery.Such as figure
Shown in 3, photodiode 720, relay 730 coil windings series connection after be attempted by between the positive and negative anodes of power module 710.Light
Quick diode 720 receives the coil windings electrification of relay 730 after illumination conducting.The normally closed contact of relay 730 passes through conducting wire
It is electrically connected with two U-shaped terminals 801 of indicating module 800.In the electrical apparatus, it is equipped with divide-shut brake in flakes on high-voltage board more,
To be latched the divide-shut brake circuit of breaker.The application method of the utility model are as follows:, will be on combined floodgate high-voltage board after hanging earthing conductor
The combined floodgate of breaker is opened in flakes, is inserted into two U-shaped terminals respectively under two lock screws up and down in flakes, is then locked.This
When disconnect combined floodgate it is in parallel with the normally-closed contact of relay 730 in flakes.In the state of ground wire hitching, outer anti-dazzling screen 610 is beaten
It opens, 730 coil windings of relay electrification, normally-closed contact disconnects, and is latched closing circuit.It prevents in no state for removing ground line
Lower false switching.
The embodiment two of detection module 700 and indicating module 800:
Detection module 700 includes power module 710, photodiode 720, relay 730.The setting of detection module 700 exists
Inside insulating bar, therefore photodiode 720 has preferable light-proofness, therefore can after the upper end of optical fiber receives light source
To trigger photodiode 720.Preferably, in order to keep detection effect more preferable, detection module 700 is equipped with shell, wherein power supply mould
The inside of shell is arranged in block 710, photodiode 720, relay 730, and optical fiber 900 and conducting wire pass through the ground of shell
All do encapsulation process in side.Indicating module 800 is equipped with indicator light 802.The lead end of indicator light 802 is moulded in finger after connecting with conducting wire
Show inside module 800.
As shown in Fig. 2, power module 710 be battery, photodiode 720, relay 730 coil windings series connection after
It is attempted by between the positive and negative anodes of power module 710, the normally closed contact of relay 730 passes through the instruction of conducting wire and indicating module 800
Lamp 802 is attempted by between the positive and negative anodes of power module 710 after connecting.Such as embodiment two
As described in embodiment one, in the state of ground wire hitching, outer anti-dazzling screen 610 is opened, 730 coil windings of relay
The power supply of electrification, normally opened contact closure, indicator light 802 is connected, and light is issued, to prompt staff's ground line to hang
It connects.In practical applications, on the operation panel for the high-voltage board that indicating module 800 can be arranged in substation, to prompt work people
Member's ground line has mounted, and not close a floodgate arbitrarily.
The embodiment three of detection module 700 and indicating module 800:
The embodiment mainly realizes that the wireless connection between detection module 700 and indicating module 800 passes through wireless side
The transmission of formula realization signal.
Detection module 700 includes power module 710, photodiode 720, wireless remote control transmit circuit, indicating module 800
Including second power supply module, wireless remote-controll ed receiving circuit, indicator light 802.Power module 710 is to give wireless remote control transmit circuit
Power supply is provided.The input terminal of the coding chip of photodiode 720 and wireless remote control transmit circuit is electrically connected.Second source mould
Block provides power supply to wireless remote-controll ed receiving circuit.It is attempted by after output end and indicator light 802 series connection of wireless remote-controll ed receiving circuit
Between the positive and negative anodes of second power supply module.Those skilled in the art both knows about, and wireless remotecontrol will correctly parse mutual letter
Number, it needs similarly to encode.As the wireless remotecontrol coding and decoding chip of model PT2271 series is designed with data encoding
The coding needs of input pin, coding chip and decoding chip are consistent, are just able to achieve the parsing of radio frequency signal.Therefore photosensitive
The input terminal of the coding chip of diode 720 and wireless remote control transmit circuit is electrically connected, and photodiode is in conducting
Identical as the coding of wireless remote-controll ed receiving circuit under state, then for photodiode in the state of being not turned on, then wireless receiving is electric
Road can not parse remote signal, and then realize the transmitting of conducting and the signal disconnected.As the prior art, to radio remote control circuit
And wireless remote control coding chip be not described in detail.
Alternatively, indicating module 800 further includes locking relay and two U-shaped terminals 801, wherein wireless remote control receives electricity
The electrical connection of the coil windings of the output end on road and locking relay, two endpoints of the normally-closed contact of locking relay and two
The electrical connection of U-shaped terminal.Closing circuit of the circuit structure to realize locking breaker.
In conclusion the preferred embodiment of only the utility model, is not used to limit the scope of the utility model,
Through the above description, relevant staff can carry out without departing from the scope of the technological thought of the present invention' completely
Various changes and amendments.The technical scope of the utility model is not limited to the contents of the specification, and Fan Yiben is practical
Shape described in novel claimed range, construction, feature and the so-called equivalent changes and modifications of spirit, should all include practical with this
In novel scope of the claims.
Claims (5)
1. a kind of substation line earth protective device, wire clip body (100) and wire clip body including arriving U-shaped structure
(100) insulating bar (200), two conductive clips (300) being connected in the inverted U-channel of wire clip body (100) connected,
Center line symmetrical setting of two conductive clips (300) along wire clip body (100), and conductive clip (300) and wire clip body
(100) intermediate plate spring (400) are connected between, it is characterised in that:
It further include insulation shading bar (500), outer anti-dazzling screen (610), interior anti-dazzling screen (620), detection module (700), indicating module
(800),
The wire clip body (100) and insulating bar (200) are hollow structure,
The wire clip body (100) is equipped with interior slide opening (110) and light hole (120), and interior slide opening (110) and light hole (120) close
It is symmetrical arranged in the lumen of wire clip body (100), and the line of centres of interior slide opening (110) and light hole (120) and intermediate plate bullet
The center line of spring (400) is overlapped,
Insulation shading bar (500) is interspersed in the inside of intermediate plate spring (400), interior slide opening (110), light hole (120), insulation
One end of shading bar (500) and conductive clip (300) articulated connection, the other end of insulation shading bar (500) protrude into light hole
(120) outside, and be fixedly connected with outer anti-dazzling screen (610), the outer anti-dazzling screen (610) is outer with wire clip body (100)
Wall fitting,
The interior anti-dazzling screen (620) is set to the inside of wire clip body (100), and interior anti-dazzling screen (620) and insulation shading bar (500) are solid
Fixed connection, and be bonded with the inner wall of wire clip body (100),
The outer diameter of insulation shading bar (500) is less than the aperture of interior slide opening (110), light hole (120), light hole (120)
Hole is less than the outer diameter of outer anti-dazzling screen (610),
Optical fiber (900) are equipped with inside the lumen of the wire clip body (100), one end of the optical fiber (900) is set to light hole
(120) at, the other end of optical fiber (900) is connect with detection module (700),
The detection module (700) is set to inside insulating bar, and the detection module is light detection module to detect insulation shading
Whether bar is opened outer anti-dazzling screen (610), and the detection module (700) and indicating module (800) are electrically connected, the indicating module
(800) to indicate whether wire clip body (100) is folded on cable.
2. a kind of substation line earth protective device according to claim 1, it is characterised in that:
The detection module (700) includes power module (710), photodiode (720), relay (730), the instruction mould
Block (800) is set there are two U-shaped terminal (801),
The power module (710) be battery, the photodiode (720), relay (730) coil windings series connection after
It is attempted by between the positive and negative anodes of power module (710), the normally closed contact of the relay (730) passes through conducting wire and indicating module
(800) two U-shaped terminals (801) electrical connection.
3. a kind of substation line earth protective device according to claim 1, it is characterised in that:
The detection module (700) includes power module (710), photodiode (720), relay (730), the instruction mould
Block (800) is equipped with indicator light (802),
The power module (710) be battery, the photodiode (720), relay (730) coil windings series connection after
It is attempted by between the positive and negative anodes of power module (710), the normally closed contact of the relay (730) passes through conducting wire and indicating module
(800) it is attempted by between the positive and negative anodes of power module (710) after indicator light (802) series connection.
4. a kind of substation line earth protective device according to claim 1, it is characterised in that:
The detection module (700) includes power module (710), photodiode (720), wireless remote control transmit circuit, described
Indicating module (800) includes second power supply module, wireless remote-controll ed receiving circuit, indicator light (802),
The power module (710) to wireless remote control transmit circuit provide power supply, the photodiode (720) and wirelessly
The input terminal of the coding chip of remote controlled transmitting circuit is electrically connected, and the second power supply module is provided to wireless remote-controll ed receiving circuit
Power supply is attempted by the positive and negative of second power supply module after output end and indicator light (802) series connection of the wireless remote-controll ed receiving circuit
Between pole.
5. a kind of substation line earth protective device according to claim 4, it is characterised in that:
The indicating module (800) further includes locking relay and two U-shaped terminals (801), and the wireless remote control receives electricity
The electrical connection of the coil windings of the output end on road and locking relay, two endpoints of the normally-closed contact of the locking relay with
Two U-shaped terminal electrical connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902663.2U CN209029554U (en) | 2018-11-19 | 2018-11-19 | A kind of substation line earth protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902663.2U CN209029554U (en) | 2018-11-19 | 2018-11-19 | A kind of substation line earth protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029554U true CN209029554U (en) | 2019-06-25 |
Family
ID=66909786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821902663.2U Expired - Fee Related CN209029554U (en) | 2018-11-19 | 2018-11-19 | A kind of substation line earth protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838674A (en) * | 2021-01-07 | 2021-05-25 | 国网浙江省电力有限公司宁波供电公司 | Ground wire monitoring terminal |
-
2018
- 2018-11-19 CN CN201821902663.2U patent/CN209029554U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838674A (en) * | 2021-01-07 | 2021-05-25 | 国网浙江省电力有限公司宁波供电公司 | Ground wire monitoring terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190625 Termination date: 20191119 |