CN209514094U - Power distribution network laser prevents line combined floodgate detection device with ground - Google Patents
Power distribution network laser prevents line combined floodgate detection device with ground Download PDFInfo
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- CN209514094U CN209514094U CN201821967867.4U CN201821967867U CN209514094U CN 209514094 U CN209514094 U CN 209514094U CN 201821967867 U CN201821967867 U CN 201821967867U CN 209514094 U CN209514094 U CN 209514094U
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000012545 processing Methods 0.000 claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 30
- 238000004080 punching Methods 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 claims description 2
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- 238000010586 diagram Methods 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
Power distribution network laser prevents line combined floodgate detection device and application method with ground, including detection device, signal processing apparatus and instruction R-T unit, detection device is arranged on lead, connect with signal processing apparatus optical signal, and signal processing apparatus is connect with instruction R-T unit.The utility model has the beneficial effects that using detection device, signal processing apparatus and instruction R-T unit; whether charge and detected whether to leave ground line dual function with detection route; long-range full-automatic detection may be implemented; real-time control; switching on earth wire power transmission is avoided, early warning protection effect is played, it is easy to use; securely and reliably, work efficiency is high.
Description
Technical field
The utility model relates to a kind of power distribution network laser to prevent line combined floodgate detection device with ground, be mainly used in electric system
Operation operation, repair and maintenance and high-potting place.
Background technique
The mounting of temporary ground wire and remove to distribution line have a power failure transformation and overhaul it is most important, in transformation or check man
After completing and before recovery power transmission, it is necessary to which all safety measures including the ground wire being artificially arranged originally are removed
Energy recovery system power supply, otherwise, will occur the serious accident of " line combined floodgate power transmission with ground ".
It is counted according to monograph " electric fault-operation accident 100 and the analysis of causes ", the whole nation is in 110kV or less power distribution network band ground wire
The serious accident of combined floodgate power transmission still frequently occurs, and accounts for 25% or so of various pernicious misoperation faults.10kV distribution cable
Number amount is more, range is wide, and overhauls position and be not fixed, and therefore, the probability that event is torn in low-voltage distribution network generation ground line leakage open is remote
Greater than the grid for having grounding point on-line monitoring system.And it relies solely on operation order system and can not prevent such thing completely
Therefore especially for the relatively backward rural area of peopleware and technical level and mountain area power distribution network for, what such accident occurred
Risk is higher, it is therefore necessary to solve problems by advanced technology means.
By largely studying and testing, this problem can solve using optoelectronic switch, optoelectronic switch exists input current
Be converted on transmitter optical signal injection, receiver further according to the light received power or whether there is or not visit to target object
It surveys, principle is circuit to be connected by synchronization loop, so that detection object has using detected material blocking or reflect to light beam
Nothing, object is not limited to metal, all energy reflection lights, or has the object for the effect of blocking that can be detected light.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of safe and reliable power distribution network laser antiground line
Detection device, technical solution are as follows:
Power distribution network laser prevents line combined floodgate detection device with ground, including detection device, signal processing apparatus and instruction transmitting-receiving
Device, detection device are arranged on lead, connect with signal processing apparatus optical signal, signal processing apparatus and instruction R-T unit
Connection.
Detection device includes that detection control module, linkage lever, sealing shell and electromagnet, sealing shell are internally provided with
Detection control module is used to detect electric current and control electromagnet, and linkage lever is rotatably arranged in sealing shell, one end and sealing
The electromagnetism ferromagnetism of interior of shell connects, and the other end is fixedly connected with the laser reflection plate being arranged in outside sealing shell.
Detection control module includes that signal reception A, relay, punching current transformer and current detecting unit, signal connect
A to be received to connect with current detecting unit, current detecting unit is connect with punching current transformer, and signal receives A and connect with relay,
Relay is connect with electromagnet.
Signal processing apparatus includes that detection sending module, Laser emission receiver, angular adjustment, mounting assembly and sealing are outer
Shell, sealing shell are internally provided with detection sending module and are used to detect laser and control transmitting signal, and Laser emission receiver is logical
Over-angle adjusts adjustable setting on sealing shell top, and sealing shell lower part is arranged in mounting assembly.
Detection sending module includes relay, signal reception B, has ground signal to emit and emit without ground signal, signal
Receive B connect with relay, relay respectively with have ground signal emit and without ground signal emit connect, signal reception B and
The connection of Laser emission receiver.
Instruction R-T unit includes Signal Terminal and antenna, and Signal Terminal is internally provided with signal transmitting C, signal transmitting C
Connect with relay, relay by receipt signal receive respectively with have ground wire indicate and without ground wire indicate connect.
Power distribution network laser prevents line combined floodgate detection method with ground, includes the following steps:
A) backstage computer issues enabling signal by instruction R-T unit, and signal processing apparatus and detection device is made to start work
Make；
B) whether there is or not ground lines for detection device detection lead；
C) detection device is according to testing result adjusted the angle of laser reflection plate；
D) the Laser emission receiver of signal processing apparatus emits laser, according to whether the laser reflected back can be received
To determine whether ground line；
E) signal processing apparatus handles the information after judgement by instructing R-T unit to feed back to backstage computer.
The utility model has the beneficial effects that there is detection using detection device, signal processing apparatus and instruction R-T unit
Whether route charges and has detected whether to leave ground line dual function, long-range automatically detection, real-time control may be implemented and keep away
Exempt from switching on earth wire power transmission, play early warning protection effect, easy to use, securely and reliably, work efficiency is high.
Detailed description of the invention
Fig. 1 is overall structure diagram；
Fig. 2 is structure diagram of detection device；
Fig. 3 is detection device schematic diagram；
Fig. 4 is signal processing apparatus structure chart；
Fig. 5 is signal processing apparatus schematic diagram；
Fig. 6 is instruction R-T unit structure chart；
Fig. 7 is instruction R-T unit schematic diagram；
Fig. 8 is method flow diagram；
In figure, 1. ground wires, 2. shaft towers, 3. ground lines, 4. leads, 5. insulator chains, 6. detection devices, 7. signal processing devices
It sets, 8. instruction R-T units, 9. backstage computers, 601. laser reflection plates, 602. linkage levers, 604. sealing shells, 605. electricity
Magnet, 611. signals receive A, 612. relays, 613. punching current transformers, 614. current detecting units, 616.12V electricity
Source, 617. detection batteries, 701. Laser emission receivers, 702. angular adjustments, 703. mounting assemblies, 704. sealing shells,
712. relays, 713. signals receive B, 714. have ground signal transmitting, 715. without ground signal transmitting, 716.12V power supply,
802. Signal Terminals, 803. antennas, 811. signals transmitting C, 812. relays, 813. receipt signals receive, 814. have ground wire to refer to
Show, 815. without ground wire instruction, 816.12V power supply.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, detection device 6 is arranged on lead 4, including linkage lever 602, sealing shell 604
With electromagnet 605, sealing shell 604 is internally provided with detection control module and is used to detect electric current and control electromagnet 605, linkage
Lever 602 is rotatably arranged in sealing shell 604, and one end is connect with 605 magnetism of electromagnet inside sealing shell 604, another
It holds and is fixedly connected with the laser reflection plate 601 being arranged in outside sealing shell 604, the specific working principle is as follows:
(1) signal being arranged inside sealing shell 604 receives A611 and receives the start and stop issued by instruction R-T unit 8 letter
Number, control detection device 6 starts and stops.
(2) will by the electric current of the collected lead 4 of punching current transformer 613, pass to current detecting unit 614 into
Row processing, if detecting ground wire, 4 no current of lead controls electromagnet 605 using relay 612 and is attracted linkage lever 602,
Linkage lever 602 is rotated, the laser reflection plate 601 in horizontality is adjusted to proper angle, laser reflection plate 601 is made
The laser reflection that Laser emission receiver 701 emits can be gone back.
(3) 12V power supply 616 is used to receive A611, relay 612, current detecting unit 614 and electromagnet 605 to signal
DC voltage is provided.
(4) detection battery 617 is for detecting whether punching current transformer 613 works normally.
Embodiment 2
As shown in Figure 1, Figure 4 and Figure 5,2 top of shaft tower of 4 one end of lead, including laser hair is arranged in signal processing apparatus 7
Receiver 701, angular adjustment 702, mounting assembly 703, sealing shell 704 are penetrated, Laser emission receiver 701 passes through angular adjustment
On 704 top of sealing shell, 704 lower part of sealing shell, concrete operating principle is arranged in mounting assembly 703 for 702 adjustable settings
It is as follows:
(1) signal being arranged inside sealing shell 704 receives B713 and receives and believed by the start and stop that instruction R-T unit 8 issues
Number, control signal processing apparatus 7 starts and stops.
(2) Laser emission receiver 701 emits laser to detection device 6, if there is ground line, laser is through laser reflection plate
601 reflect, and are collected by Laser emission receiver 701, have ground signal transmitting 714 to issue using the control of relay 712
There is ground signal；If Laser emission receiver 701 does not acquire reflection laser without ground wire, controlled using relay 712 without ground wire
Signal 715 is issued without ground signal.
(3) 12V power supply 716 is used to receive B713 to relay 712, signal, has ground signal transmitting 714 and believe without ground wire
Number transmitting 715 provide DC voltages.
Embodiment 3
As shown in Fig. 1, Fig. 6 and Fig. 7, instruction R-T unit 8 is arranged on shaft tower 2, including Signal Terminal 802 and antenna
803, working principle is as follows:
(1) signal transmitting C811 issues start stop signal to detection device 6 and signal processing apparatus 7 respectively, to control inspection
Survey starting and stopping for device 6 and signal processing apparatus 7.
(2) receipt signal, which receives 813 and receives, has ground signal or without ground signal by what signal processing apparatus 7 issued.
(3) by handling received signal, ground wire instruction 814 has been controlled using relay 812 or without ground wire
Instruction 815 issues corresponding signal, feeds back to backstage computer 9 and is handled.
(4) 12V power supply 816 is used for signal transmitting C811, relay 812, receipt signal receiver 813, has ground wire to refer to
Show 814 and provides DC voltage without ground wire instruction 815.
Embodiment 4
By 9 control instruction R-T unit 8 of backstage computer, refer to it to detection device 6 and the transmission of signal processing apparatus 7
Enable, control detection device 6 and signal processing apparatus 7 start and stop, then by detection device 6 detect route whether charge or whether there is or not
Ground line is left, judge whether to charge in route by signal processing apparatus 7 or whether there is or not ground line is left, judging result is passed through
Instruction R-T unit 8 feeds back to backstage computer 9 and is handled.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific embodiment, above-mentioned specific embodiment are that schematically, and not restrictive, those skilled in the art are at this
Under the enlightenment of utility model, in the case where not departing from utility model objective, other forms can also be made, these belong to this
Within the protection of utility model.
Claims (6)
1. power distribution network laser prevents line combined floodgate detection device with ground, including detection device (6), signal processing apparatus (7) and instruction
R-T unit (8), it is characterised in that detection device (6) is arranged on lead (4), connect with signal processing apparatus (7) optical signal,
Signal processing apparatus (7) is connect with instruction R-T unit (8).
2. power distribution network laser according to claim 1 prevents line combined floodgate detection device with ground, it is characterised in that detection device
It (6) include detection control module, linkage lever (602), sealing shell (604) and electromagnet (605), sealing shell (604) is interior
Portion is provided with detection control module and is used to detect electric current and control electromagnet (605), and linkage lever (602) is rotatably arranged on sealing
On shell (604), one end electromagnet (605) magnetism internal with sealing shell (604) is connect, and the other end and setting are outer in sealing
The external laser reflection plate (601) of shell (604) is fixedly connected.
3. power distribution network laser according to claim 2 prevents line combined floodgate detection device with ground, it is characterised in that detection control
Module includes that signal receives A(611), relay (612), punching current transformer (613) and current detecting unit (614), believe
Number receive A(611) connect with current detecting unit (614), current detecting unit (614) and punching current transformer (613) company
Connect, signal receives A(611) it is connect with relay (612), relay (612) is connect with electromagnet (605).
4. power distribution network laser according to claim 1 prevents line combined floodgate detection device with ground, it is characterised in that signal processing
Device (7) includes detection sending module, Laser emission receiver (701), angular adjustment (702), mounting assembly (703) and sealing
Shell (704), sealing shell (704) are internally provided with detection sending module and are used to detect laser and control transmitting signal, laser
Transceiver (701) is arranged by the way that angular adjustment (702) are adjustable on sealing shell (704) top, and mounting assembly (703) is set
Set sealing shell (704) lower part.
5. power distribution network laser according to claim 4 prevents line combined floodgate detection device with ground, it is characterised in that detection is sent
Module include relay (712), signal receive B(713), have ground signal transmitting (714) and without ground signal emit (715),
Signal receives B(713) it is connect with relay (712), relay (712) emits (714) and without ground wire with there is ground signal respectively
Signal emits (715) connection, and signal receives B(713) it is connect with Laser emission receiver (701).
6. power distribution network laser according to claim 1 prevents line combined floodgate detection device with ground, it is characterised in that instruction transmitting-receiving
Device (8) includes Signal Terminal (802) and antenna (803), and Signal Terminal (802) is internally provided with signal transmitting C(811), letter
Number transmitting C(811) connect with relay (812), relay (812) pass through receipt signal reception (813) refer to respectively with there is ground wire
Show (814) and without ground wire instruction (815) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967867.4U CN209514094U (en) | 2018-11-28 | 2018-11-28 | Power distribution network laser prevents line combined floodgate detection device with ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967867.4U CN209514094U (en) | 2018-11-28 | 2018-11-28 | Power distribution network laser prevents line combined floodgate detection device with ground |
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| Publication Number | Publication Date |
|---|---|
| CN209514094U true CN209514094U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821967867.4U Active CN209514094U (en) | 2018-11-28 | 2018-11-28 | Power distribution network laser prevents line combined floodgate detection device with ground |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459793A (en) * | 2018-11-28 | 2019-03-12 | 国网辽宁省电力有限公司丹东供电公司 | Power distribution network laser prevents line combined floodgate detection device and application method with ground |
-
2018
- 2018-11-28 CN CN201821967867.4U patent/CN209514094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459793A (en) * | 2018-11-28 | 2019-03-12 | 国网辽宁省电力有限公司丹东供电公司 | Power distribution network laser prevents line combined floodgate detection device and application method with ground |
| CN109459793B (en) * | 2018-11-28 | 2024-02-02 | 国网辽宁省电力有限公司丹东供电公司 | Power distribution network laser closing detection device with grounding wire and use method |
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