CN107959826A - Intelligently prison claps prior-warning device to 10kV cable passages external force damage prevention - Google Patents
Intelligently prison claps prior-warning device to 10kV cable passages external force damage prevention Download PDFInfo
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- CN107959826A CN107959826A CN201711146149.0A CN201711146149A CN107959826A CN 107959826 A CN107959826 A CN 107959826A CN 201711146149 A CN201711146149 A CN 201711146149A CN 107959826 A CN107959826 A CN 107959826A
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- 230000006378 damage Effects 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 210000004369 blood Anatomy 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- H02J13/0075—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The present invention relates to a kind of 10kV cable passages external force damage prevention, intelligently prison claps prior-warning device, belongs to power supply unit technical field.It includes ring main unit, and it is arranged at the 10kV cables of two adjacent ring main units of connection of underground, intelligence prison is provided with ring main unit and claps prior-warning device, intelligence prison, which claps prior-warning device, includes solar panel, monitoring camera and controller, solar panel is by electric energy supplying monitoring camera and controller, the passage of the monitoring scope covering cable of monitoring camera, controller are connected with the PT cabinets in ring main unit；It is provided with the communication module being connected with remote server in controller, communication module is by the signal transmission of the ring main unit internal signal that PT cabinets detect and the channel range that monitoring camera detects to remote server；Decision-making treatment result is fed back into client after the above-mentioned signal of remote server reception.This invention ensures that equipment management personnel knows the real-time of the cable information between looped network case, the efficiency of cable tour is improved.
Description
Technical field
The present invention relates to a kind of 10kV cable passages external force damage prevention, intelligently prison claps prior-warning device, belongs to power supply unit technology neck
Domain.
Background technology
At present, as the fast development of power grid and the continuous of distribution automation promote, cable cable is widely used
Into the construction of power grid.Cable, which breaks down, can cause the power failure phenomenon of large area, it is also possible to causing personal injury when serious.
It is additionally, since cable and is generally embedded in underground, more hidden, once breaking down, maintenance can be very time-consuming and laborious.Current electricity
Cable operation protection is simply simple to increase personnel's tour dynamics to find the scene of the cable between looped network case, line by management means
Cable bar number angle can not ensure to know the cable information between various uncertain looped network casees in real time.
The content of the invention
In view of the foregoing defects the prior art has, the present invention proposes a kind of intelligently prison bat of 10kV cable passages external force damage prevention
Prior-warning device, ensure that equipment management personnel knows the real-time of the cable information between looped network case, improve cable tour
Efficiency.
The present invention is realized using following technical solution：10kV cable passages external force damage prevention of the present invention is intelligently supervised
Prior-warning device, including ring main unit are clapped, and is arranged at the 10kV cables of two adjacent ring main units of connection of underground, is set on ring main unit
It is equipped with intelligence prison and claps prior-warning device, intelligence prison, which claps prior-warning device, includes solar panel, monitoring camera and controller, the sun
For energy solar panel by electric energy supplying monitoring camera and controller, the monitoring scope of monitoring camera covers the passage of 10kV cables,
Controller is connected with the PT cabinets in ring main unit；The communication module being connected with remote server, communication module are provided with controller
By the signal transmission of the ring main unit internal signal that PT cabinets detect and the channel range that monitoring camera detects to long-range clothes
Business device；Decision-making treatment result is fed back into client after the above-mentioned signal of remote server reception.
Further, the PT cabinets include metered voltage mutual inductor cabinet and measurement voltage transformer cabinet, metered voltage mutual inductance
Device cabinet and measurement voltage transformer cabinet are directly connected on the busbar of ring main unit；PT cabinets further include isolation knife, fuse and take shelter from the thunder
Device.Voltage transformer cabinet, is usually directly attached on busbar, to detect busbar voltage and realize defencive function.It is internal main
Voltage transformer pt, isolation knife, fuse and arrester etc. are installed.
Further, the PT cabinets use combining structure, overall to use withdraw type metal sheathed structure and match somebody with somebody on panel
The observation window of large area is filled, its secondary circuit uses tap structure, realizes the separation of a secondary chamber and secondary chamber.Voltage is mutual
Sensor cabinet uses combining structure, varying number and the PT of species can be configured according to concrete engineering, it integrally uses withdraw type metal
Sheathed structure and the observation window that large area is equipped with panel, can observe the operating condition of cabinet at any time, and every PT is equipped with one
Single trolley, its secondary circuit use tap structure, realize the separation of a secondary chamber and secondary chamber.It is overall beautiful can
Lean on, and can realize powered extraction maintenance.
Further, when the intelligence prison claps the signal of prior-warning device and remote server by being wirelessly transferred, both it
Between be provided with fire wall, fire wall is installed on remote server.
Further, the intelligence prison bat prior-warning device is divided into host node and child node, and the signal of child node passes through communication
Module focuses on host node, and host node communicates with remote server.
The parameter that intelligence prison claps prior-warning device is PAL:752(H)×582(V)；Horizontal resolution：480TVL (colour)/
520TVL (black and white)；Most bottom illumination：1.0Lux/F1.4 (colour)/0.01Lux/F1.4 (black and white)；Zoom ratio：26；Preset digit
Amount：128；Horizontal rotation angle：- 3 ° of 0 ° -360 °/pitch angle+± 90 °.
Further, the remote server includes analysis module, alarming and managing module, Back end data input mould
Block, Back end data output module and Back end data store module.Remote server occurs hidden danger and automatically analyzes and judge alert, existing
Field sends acousto-optic warning signal, while to alert scene image information recording and storing and is sent to back-end central management server work
Make personnel, it the scene of alert can occur by remotely checking, so as to carry out corresponding.
Further, the analysis module uses Kalman filter algorithm, effectively eliminates the interference effect of noise,
At the same time accidental error is rejected using Grubbs test method.It is effectively real by collection and processing power cable running environment information
Show the anti-external force damage alarm of power cable cable and position the function of abnormal point.
Further, the intelligence prison claps prior-warning device and further includes spare controller, possesses full work pattern and half work pattern
Two kinds of operating modes, when intelligently prison bat prior-warning device is in half work pattern, if controller breaks down, switch to spare control
Device processed work, enhances the stability and reliability of work, during failure can not power-off service, it is convenient and reliable.
Further, the client uses pc client or cell-phone customer terminal.Support pc client/cell-phone customer terminal
Real-time video browses, and supports long-range renewal, configuration and debugging fore device parameter.
The beneficial effects of the invention are as follows：Using 10kV cable passages external force damage prevention of the present invention, intelligently prison claps early warning dress
Put, be powered by solar energy, it is convenient and practical；The cable scene between looped network case can be pushed to monitor terminal at the first time,
It ensure that equipment management personnel knows the real-time of the cable information between looped network case, improve the efficiency of cable tour.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
In figure：1st, solar panel；2nd, monitoring camera；3rd, controller；4th, PT cabinets；5th, ring main unit；6th, remote service
Device；7th, client；8th, 10kV cables.
Embodiment
In order to which the object of the invention, technical solution is more clearly understood, with reference to embodiment, the present invention is made further
Describe in detail.
Embodiment one：
As shown in Figure 1, intelligently prison claps prior-warning device, including ring main unit 5 to 10kV cable passages external force damage prevention of the present invention,
And the 10kV cables 8 of the adjacent ring main unit 5 of connection two of underground are arranged at, intelligence prison is provided with ring main unit 5 and claps early warning dress
Put, intelligence prison, which claps prior-warning device, includes solar panel 1, monitoring camera 2 and controller 3, and solar panel 1 is by electric energy
Supplying monitoring camera 2 and controller 3, the passage of the monitoring scope covering 10kV cables 8 of monitoring camera 2, controller 3 and ring
PT cabinets 4 in net cabinet 5 are connected；It is provided with the communication module being connected with remote server 6 in controller 3, communication module is by PT cabinets
The signal transmission for the channel range that 45 internal signals of ring main unit detected and monitoring camera 2 detect is to remote server
6；Remote server 6 receives and decision-making treatment result is fed back to client 7 after above-mentioned signal.
The PT cabinets 4 include metered voltage mutual inductor cabinet and measurement voltage transformer cabinet, metered voltage mutual inductor cabinet and survey
Amount voltage transformer cabinet is directly connected on the busbar of ring main unit 5；PT cabinets 4 further include isolation knife, fuse and arrester.Voltage
Mutual inductor cabinet, is usually directly attached on busbar, to detect busbar voltage and realize defencive function.Internal main installation voltage
Mutual inductor PT, isolation knife, fuse and arrester etc..
The PT cabinets 4 use combining structure, overall that large area is equipped with using withdraw type metal sheathed structure and on panel
Observation window, its secondary circuit uses tap structure, realizes the separation of a secondary chamber and secondary chamber.Voltage transformer cabinet is adopted
With combining structure, varying number and the PT of species can be configured according to concrete engineering, it integrally uses withdraw type metal sheathed structure
And the observation window of large area is equipped with panel, the operating condition of cabinet can be observed at any time, and every PT is equipped with one individually small
Car, its secondary circuit use tap structure, realize the separation of a secondary chamber and secondary chamber.It is overall beautiful reliable, and can be real
Existing powered extraction maintenance.
When the intelligence prison claps the signal of prior-warning device and remote server 6 by being wirelessly transferred, it is provided between the two
Fire wall, fire wall are installed on 6 end of remote server.
The intelligence prison claps prior-warning device and is divided into host node and child node, and the signal of child node is focused on by communication module
Host node, host node communicate with remote server 6.
The parameter that intelligence prison claps prior-warning device is PAL:752(H)×582(V)；Horizontal resolution：480TVL (colour)/
520TVL (black and white)；Most bottom illumination：1.0Lux/F1.4 (colour)/0.01Lux/F1.4 (black and white)；Zoom ratio：26；Preset digit
Amount：128；Horizontal rotation angle：- 3 ° of 0 ° -360 °/pitch angle+± 90 °.
The remote server 6 includes analysis module, alarming and managing module, Back end data input module, rear end number
According to output module and Back end data store module.Remote server 6 occurs hidden danger and automatically analyzes and judge alert, and scene sends sound
Light alarm signal, while to alert scene image information recording and storing and back-end central management server staff is sent to,
It the scene of alert can occur by remotely checking, so as to carry out corresponding.
The analysis module uses Kalman filter algorithm, effectively eliminates the interference effect of noise, utilizes at the same time
Grubbs test method rejects accidental error.By collection and processing power cable running environment information, electric power is effectively realized
The anti-external force damage alarm of cable cable and the function of positioning abnormal point.
The intelligence prison claps prior-warning device and further includes spare controller, possesses two kinds of Working moulds of full work pattern and half work pattern
Formula, when intelligently prison bat prior-warning device is in half work pattern, if controller 3 breaks down, switches to spare controller work,
Enhance the stability and reliability of work, during failure can not power-off service, it is convenient and reliable.
The client 7 uses pc client or cell-phone customer terminal.Support pc client/cell-phone customer terminal real-time video
Browse, support long-range renewal, configuration and debugging fore device parameter.
Intelligently prison claps prior-warning device to 10kV cable passages external force damage prevention of the present invention, is powered by solar energy, convenient
It is practical.The cable scene between looped network case can be pushed to monitor terminal at the first time, ensure that equipment management personnel knows ring
The real-time of cable information between net cage, improves the efficiency of cable tour.
Embodiment two：
By taking X cities of N provinces as an example, last year, occurs the external force caused by the cable between mechanical short, looped network case excavates and destroys altogether
Accident 62 rises, and causes direct or indirect more than 370 ten thousand yuan of economic loss, accounts for the 26.54% of all malicious events.J companies are undertaking the construction of
In the road reformation engineering project of broadcasting and TV East Road, because of bulk cement carrier short, cause to prolong normal line trip accident.Accident causes Changzhou
First, large quantities of enterprises and institutions such as the second the People's Hospital, Changzhou downtown blood station, Changzhou electric company Dispatching Building stop in short-term
Electricity.More than 140 ten thousand yuan of direct economic loss.W villagers' committees cause military favour line to jump when carrying out lifting operation using wheeled crane
Lock.More than 270,000 yuan of direct economic loss.In recent years, the accident that external force destroys threat electric power facility safety is in continuous ascendant trend,
It is extremely severe that the anti-external force of electric power facility destroys protection work situation.
Device provided by the invention can be supervised by intelligence clap prior-warning device go situation in monitoring range either with or without by
External force is destroyed.If occurring the cable between large-scale looped network case or machinery operation against rules etc. in the range of threatens power transmission line
During the hidden danger of cable safety, information of voice prompt is reported immediately, and warning information is sent in remote server 6.It is it was found that defeated
When security risk occurs in electric wire cable, the staff of remote server 6 can go realization to propaganda directed to communicate by real-time voice, go to prevent this
The artificial external force of class is destroyed.Having 10kV cable passages external force damage prevention, intelligently prison bat prior-warning device can be reduced greatly because external force is broken
Have a power failure caused by the reasons such as bad, pilferage, manpower can be saved, ensure power Transmission.
Operation principle：10kV cable passages external force damage prevention intelligence prison bat prior-warning device monitors in real time in the range of can realizing,
It is of course also possible to set several regions paid close attention to, the situation of cable preferably, is timely understood.The present apparatus is installed on
Above looped network case, covered all around by region of the monitoring camera 2 in power transmission cable channel security distance once, once
It was found that there is mechanically actuated violating the regulations to be analyzed, will be alerted immediately if threatening cable secure, linkage monitoring camera
First 2 take the staff that the photo upload reminds relative clients end 7 to remote server 6 and transmission short message.Remote server 6
Staff each monitoring point can be monitored according to video, picture etc. data and oneself real-time video that scene issue come
Field condition perform an analysis, contrast, if there is exception, it should emergency processing, ensure high voltage cable do not go to pot.
Major function：Two kinds can arrangement：For the protection of cable secure spacing, while for the peace of cable and looped network case
Full protection, the protection to looped network case, can replace infrared alarm sensor, greatly reduce and accuse by mistake；Video monitoring apparatus detects
To when having external force invasion to destroy, the video recording of linkage controller 3 immediately is uploaded to monitoring central platform, while sends short messages to related personnel
Alarm prompt emergent management；Device possesses the characteristics of small, light-weight, dismounting is easy；Power supply uses solar energy and height
The mode of performance poly-lithium battery；There is local true man's phonetic warning, can also be by computer microphone directly to existing
Propaganda directed to communicate field；Possess remote controlled video signal collective, processing and transfer function；Possess remote controlled zoom, focus on adjustment
Function is set；Possesses the remote control function to headend equipment power supply；Possesses the function of remotely located picture collection time interval；
Possess remotely modifying, IP address of equipment function is set；Communicated using wireless 3G/4G；Equipment possesses anti-lightning strike defencive function；Support
Cell-phone customer terminal browses.
Intelligently prison claps prior-warning device technical parameter to 10kV cable passages external force damage prevention：Embedded design, built in video compression are compiled
Decoding unit and wireless communication unit；4 road video inputs, can connect video monitoring ball machine and video monitoring gunlock；Support dynamic or
Fixed IP address modes.
The foregoing is merely presently preferred embodiments of the present invention, oneself, is not limitation with the present invention, all in essence of the invention
Impartial modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the patent covering scope of the present invention.
Claims (9)
- Intelligently 1. prison claps prior-warning device, including ring main unit (5) to a kind of 10kV cable passages external force damage prevention, and is arranged at the company of underground Connect the 10kV cables (8) of two adjacent ring main units (5), it is characterised in that intelligence prison is provided with ring main unit (5) and claps early warning dress Put, intelligence prison, which claps prior-warning device, includes solar panel (1), monitoring camera (2) and controller (3), solar panel (1) by electric energy supplying monitoring camera (2) and controller (3), the monitoring scope covering 10kV cables (8) of monitoring camera (2) Passage, controller (3) is connected with the PT cabinets (4) in ring main unit (5)；It is provided with and remote server (6) phase in controller (3) Communication module even, ring main unit (5) internal signal and monitoring camera (2) detection that communication module detects PT cabinets (4) The signal transmission of the channel range arrived is to remote server (6)；By decision-making treatment knot after the above-mentioned signal of remote server (6) reception Fruit feeds back to client (7).
- Intelligently 2. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 1, it is characterised in that the PT Cabinet (4) includes metered voltage mutual inductor cabinet and measurement voltage transformer cabinet, metered voltage mutual inductor cabinet and measurement voltage transformer Cabinet is directly connected on the busbar of ring main unit (5)；PT cabinets (4) further include isolation knife, fuse and arrester.
- Intelligently 3. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 1 or 2, it is characterised in that institute To state PT cabinets (4) and use combining structure, entirety is equipped with the observation window of large area using withdraw type metal sheathed structure and on panel, Its secondary circuit uses tap structure, realizes the separation of a secondary chamber and secondary chamber.
- Intelligently 4. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 1, it is characterised in that the intelligence When can supervise the signal for clapping prior-warning device and remote server (6) by being wirelessly transferred, fire wall, fire wall are provided between the two It is installed on remote server (6) end.
- Intelligently 5. prison claps prior-warning device to the 10kV cable passages external force damage prevention according to claim 1 or 4, it is characterised in that institute State intelligence prison bat prior-warning device and be divided into host node and child node, the signal of child node focuses on host node by communication module, main Node communicates with remote server (6).
- Intelligently 6. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 1, it is characterised in that described remote Journey server (6) include analysis module, alarming and managing module, Back end data input module, Back end data output module and Back end data store module.
- Intelligently 7. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 6, it is characterised in that described to regard Frequency analysis module uses Kalman filter algorithm, effectively eliminate noise interference effect, while using Grubbs test method come Reject accidental error.
- Intelligently 8. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 1, it is characterised in that the intelligence Bat prior-warning device can be supervised and further include spare controller, possess two kinds of operating modes of full work pattern and half work pattern, when intelligently prison is clapped When prior-warning device is in half work pattern, if controller (3) breaks down, spare controller work is switched to.
- Intelligently 9. prison claps prior-warning device to 10kV cable passages external force damage prevention according to claim 1, it is characterised in that the visitor Family end (7) uses pc client or cell-phone customer terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146149.0A CN107959826A (en) | 2017-11-17 | 2017-11-17 | Intelligently prison claps prior-warning device to 10kV cable passages external force damage prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146149.0A CN107959826A (en) | 2017-11-17 | 2017-11-17 | Intelligently prison claps prior-warning device to 10kV cable passages external force damage prevention |
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| Publication Number | Publication Date |
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| CN107959826A true CN107959826A (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711146149.0A Pending CN107959826A (en) | 2017-11-17 | 2017-11-17 | Intelligently prison claps prior-warning device to 10kV cable passages external force damage prevention |
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| CN (1) | CN107959826A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958427A (en) * | 2019-11-05 | 2020-04-03 | 哈尔滨理工大学 | Monitoring alarm system and method based on computer control |
| CN112068219A (en) * | 2020-08-21 | 2020-12-11 | 国网山东省电力公司昌邑市供电公司 | Monitoring and early warning device, system and method for preventing external damage of underground cable |
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| CN103558818A (en) * | 2013-10-28 | 2014-02-05 | 国家电网公司 | Cable 10kV high voltage ring main unit remote monitoring and control system |
| CN206323496U (en) * | 2016-12-26 | 2017-07-11 | 三峡大学 | A kind of transmission line of electricity video frequency monitoring system based on many power supply multimode monitoring modes |
| CN206452478U (en) * | 2017-01-22 | 2017-08-29 | 广州环名科技有限公司 | Overhead transmission line external force damage prevention high-definition monitoring device |
| JP2017151666A (en) * | 2016-02-24 | 2017-08-31 | 株式会社東芝 | Facility monitoring device and program |
| CN206557937U (en) * | 2017-03-16 | 2017-10-13 | 四川汇源光通信有限公司 | Intelligent external force damage prevention power transmission line monitoring device based on video monitoring |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558818A (en) * | 2013-10-28 | 2014-02-05 | 国家电网公司 | Cable 10kV high voltage ring main unit remote monitoring and control system |
| JP2017151666A (en) * | 2016-02-24 | 2017-08-31 | 株式会社東芝 | Facility monitoring device and program |
| CN206323496U (en) * | 2016-12-26 | 2017-07-11 | 三峡大学 | A kind of transmission line of electricity video frequency monitoring system based on many power supply multimode monitoring modes |
| CN206452478U (en) * | 2017-01-22 | 2017-08-29 | 广州环名科技有限公司 | Overhead transmission line external force damage prevention high-definition monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110958427A (en) * | 2019-11-05 | 2020-04-03 | 哈尔滨理工大学 | Monitoring alarm system and method based on computer control |
| CN112068219A (en) * | 2020-08-21 | 2020-12-11 | 国网山东省电力公司昌邑市供电公司 | Monitoring and early warning device, system and method for preventing external damage of underground cable |
| CN112068219B (en) * | 2020-08-21 | 2023-04-25 | 国网山东省电力公司昌邑市供电公司 | Buried cable external damage prevention monitoring and early warning device, system and method |
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Application publication date: 20180424 |