CN107564127A - Distribution line monitors intelligent inspection system on-line - Google Patents
Distribution line monitors intelligent inspection system on-line Download PDFInfo
- Publication number
- CN107564127A CN107564127A CN201710949692.8A CN201710949692A CN107564127A CN 107564127 A CN107564127 A CN 107564127A CN 201710949692 A CN201710949692 A CN 201710949692A CN 107564127 A CN107564127 A CN 107564127A
- Authority
- CN
- China
- Prior art keywords
- line
- distribution line
- monitoring terminal
- distribution
- line monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention discloses a kind of distribution line on-line monitoring intelligent inspection system.Including monitor supervision platform, GPS positioning device, distribution line on-line monitoring terminal, fault detector, inspection mobile telecommunication device, power module composition.Described GPS positioning device is connected with distribution line on-line monitoring terminal；Distribution line on-line monitoring terminal is remotely connected with monitor supervision platform；Fault detector is connected with distribution line on-line monitoring terminal, and power module provides above-mentioned distribution line on-line monitoring terminal and GPS positioning device power supply.Distribution line on-line monitoring intelligent inspection system can integrate gps satellite location technology, GIS geographic information system technologies and the GPRS network information transmission technology, inspection trips are carried out to outdoor 10KV distribution lines real-time operating conditions and relevant device, record inspection information, the working trajectory of patrol officer, hidden danger is circulated a notice of, hidden danger processing tracking etc., to ensure the reliable and secure stable operation of circuit.
Description
Technical field
The present invention relates to a kind of electric power monitoring system, more particularly to a kind of on-line monitoring cruising inspection system of distribution line.
Background technology
It is online that a distribution line is expanded for the distribution line on-line monitoring fault detector field where our company
Intelligent inspection system is monitored, is studied and judged for having the fault detector failure of distribution line now with positioning function, increases by one
Item artificial line patrol monitoring function, fault detector of the invention, which can use known Fujian Ao Tongmai to win electric power science and technology, have
The fault detector of the AT-C101 models of limit company production, current domestic distribution line popularize distribution line in large area
To monitor fault detector on-line, put into sizable financial resource and material resource, this has clear improvement in the first-aid repair efficiency to failure, but
The problem of existing for the artificial line walking of circuit, manual papery medium recording：Human factor is more, management cost is high, can not supervise and patrol
Person works are examined, inspection data message degree is low, and inspection data can not in time be analyzed and processed and issued to relevant departments, be influenceed
Efficiency is very big, and problems be present for the auxiliary inspection device such as conventional use bar code, IC-card, information knob：It is improper to safeguard
The information equipments such as installation Quick Response Code, IC-card and information button in equipment damage, and cheating easily occur, and Quick Response Code can
It is scanned after all taking pictures, for this phenomenon, in order to improve such case, improves routing inspection efficiency and supervision, I takes charge of
A distribution line on-line monitoring intelligent inspection system, by way of real-time " checking card " positioning and communicating, supervision patrol are invented
Work, prevents from practising fraud.
The content of the invention
The purpose of the present invention is in view of the foregoing defects the prior art has, there is provided a kind of distribution line on-line monitoring intelligence
Cruising inspection system, line walking cheating can be prevented to greatest extent, improves patrol monitoring dynamics and routing inspection efficiency, and the very first time reports and patrolled
The problem of in the presence of inspection, conveniently make emergency preplan.
The object of the present invention is achieved like this, a kind of described distribution line on-line monitoring intelligent inspection system, including
Monitor supervision platform, distribution line on-line monitoring terminal, fault detector, GPS positioning device, hand-held mobile terminal and power module,
Described fault detector and distribution line on-line monitoring terminal are arranged on distribution line, it is characterized in that：Described GPS location
Device is connected with distribution line on-line monitoring terminal；Distribution line on-line monitoring terminal is remotely connected with monitor supervision platform；Failure refers to
Show that device is connected with distribution line on-line monitoring terminal, power module provides above-mentioned distribution line on-line monitoring terminal and GPS location
Installation's power source；Described distribution line on-line monitoring terminal can collect the electricity on primary fault indicator circuit at regular intervals
And current data, while 232 data wires in distribution line on-line monitoring terminal are connected with GPS positioning device, when being collected into
It is unified that communication module in terminal is monitored on-line every certain by distribution line after fault detector and GPS positioning device data
Time sends data to monitor supervision platform, after track walker reaches near distribution line on-line monitoring equipment shaft tower, opens hand-held
Mobile terminal is communicated with distribution line on-line monitoring terminal, and sends inspection confirmation letter to distribution line on-line monitoring terminal
After breath, distribution on-line monitoring terminal can at once to monitor supervision platform send an inspection confirmation, and send corresponding to the time and
GPS location information forms an inspection virtual routes, passes through this mould of checking card to monitor supervision platform after being analyzed and processed by monitor supervision platform
Formula works to supervise inspection.
Described hand-held mobile terminal, include RF communication modules, for being communicated with distribution line on-line monitoring terminal, inspection
During, if it find that any abnormal problem, carries out word remarks, live shooting style by hand-held mobile terminal, this is counted
According to monitor supervision platform is fed back to, emergency preplan is conveniently made.
Described GPS positioning device supports the GPS location dress of RS232/485 data transfers using DC12V power supplies are supported
Put.
Described fault detector includes line current, electric field sampling module and 433 short frequency communication modules, works as sampling module
After exception occurs for electric current, the electric field collected, judged using quick-break fixed value method：Whether criterion meets following short trouble bars
Part：
1st, it is electric on circuit：Persistently detected in upper electric 30 seconds, as electric current >=5A or line-to-earth voltage >=3kV；
2nd, fault initiating condition：Fault current definite value, 0~600A of setting range, load current IL >=If；
3rd, trouble duration：Tfmin≤Δ T≤10S, Tfmin is fault current minimum length in time, setting range 20ms~
9.99S；
4th, line outage：Load current≤5A；
Whether criterion meets following earth-fault conditions：
It is electric on circuit：Persistently detected in upper electric 30 seconds, electric current >=5A or line-to-earth voltage >=3kV；
Fault initiating condition：
1st, transient current or ground connection momentary capacitance discharge current increment are grounded：≥30A；110kV circuits are >=400A；
2nd, it is grounded phase voltage down ratio：≥60%；
3rd, Earth Phase voltage falling time:>=60S, transient state earth current discharge time：0.1~10ms/2S, Earth Phase are always electric
Stream：≥5A；
After any failure criterion of the short trouble or earth fault that meet the above, in the CPU inside fault detector
Disconnected processing is started working, and control I/O port realizes board turning action and flashing light, and carries out the corresponding time according to different fault types
Involution, then warning information is sent to distribution line by 433 short frequency communication modules and monitors terminal on-line, distribution line is supervised online
Survey the monitor supervision platform that terminal data are transferred to by way of mobile network again after analyzing correctly backstage.
Specifically, the technical scheme is that：Refer to including monitor supervision platform, distribution line on-line monitoring terminal, failure
Show device, GPS positioning device, mobile handheld terminal（Containing APP）, power module composition.
Distribution line terminal every 15 minutes electric fields collected on primary fault indicator circuit, electric current, charging voltage, batteries
Voltage, GPS location information are transferred to background monitoring platform by way of mobile private network, to check the reality of circuit and equipment in itself
When data.
When passing by distribution line on-line monitoring equipment when line data-logging person's line walking, inspection mobile phone is taken out with communicating eventually
End is communicated, and works as hand-held mobile terminal（Containing APP）After being communicated above with distribution line on-line monitoring terminal, an inspection letter is sent
Message is ceased, notifies the inspection of the terminal patrol point, after communication terminal receives instruction, a displacement can be sent to backstage monitor supervision platform
Information, an inspection information can be obtained after being parsed by platform, then be matched by existing virtual patrol point, eventually formed
One inspection circuit virtual routes, while if it find that any abnormal problem, the side such as can be taken pictures by word remarks, scene
Formula, data feedback is returned into monitor supervision platform, conveniently makes emergency preplan, carry out monitoring circuit inspection work in this way.
Wherein, described distribution line monitoring terminal is by 433 short frequency communication modules in line-failure indicator, sampling mould
The short frequency communication module of block, distribution line monitoring terminal 433 is formed, after sampling module collects abnormal electric current, electric field occurs,
And meeting failure criterion, fault detector itself can carry out board turning action and flashing light, while short by 433 in fault detector
Frequency communication module is sent to distribution line on-line monitoring terminal, and distribution line on-line monitoring terminal is carried out after analyzing correctly again number
According to being sent to monitor supervision platform.
The beneficial effects of the invention are as follows：The information equipments such as bar code, IC-card and information knob need not be installed on inspection shaft tower,
Buying and the maintenance cost of system are greatly reduced, the inspection quality of patrol officer has been effectively ensured, improves circuit operation
Security reliability, eliminate safe hidden trouble, using wireless network and GPS technology, realize the information system management of line data-logging work, carry
High inspection managementization is horizontal, improves routing inspection efficiency.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the remote control part schematic diagram of the present invention.
Fig. 3 is that the distribution line of the present invention monitors the operation principle schematic diagram of terminal on-line.
Fig. 4 is the monitor supervision platform composition schematic diagram of the present invention.
Embodiment
With reference to Fig. 1-Fig. 4, the invention will be further described：
Its technical scheme is：On-line monitoring intelligent inspection system in distribution line of the present invention, including monitor supervision platform, match somebody with somebody
Electric line on-line monitoring terminal, fault detector, GPS positioning device, hand-held mobile terminal and power module, described failure refer to
Show that device and distribution line on-line monitoring terminal are arranged on distribution line, its design feature is：Described GPS positioning device is with matching somebody with somebody
Electric line on-line monitoring terminal connection；Distribution line on-line monitoring terminal is remotely connected with monitor supervision platform；Fault detector is with matching somebody with somebody
Electric line on-line monitoring terminal connection, power module provide above-mentioned distribution line on-line monitoring terminal and GPS positioning device power supply,
Described GPS positioning device, which can use, supports DC12V power supplies, supports the GPS positioning device of RS232/485 data transfers；Institute
The distribution line on-line monitoring terminal stated can collect electric field and electric current number on primary fault indicator circuit at regular intervals
According to, while 232 data wires in distribution line on-line monitoring terminal are connected with GPS positioning device, when being collected into fault detector
It is unified that communication module in terminal is monitored on-line at regular intervals to monitoring from distribution line after GPS positioning device data
Platform send data, after track walker reaches near distribution line on-line monitoring equipment shaft tower, open hand-held mobile terminal with
Distribution line on-line monitoring terminal communicated, and to distribution line on-line monitoring terminal send inspection confirmation after, distribution
An inspection confirmation, and time corresponding to transmission and GPS location letter can be sent to monitor supervision platform at once by monitoring terminal on-line
Monitor supervision platform is ceased, an inspection virtual routes are formed after being analyzed and processed by monitor supervision platform, pattern is checked card to supervise by this
Inspection works；Remote control in Fig. 2 point includes distribution line and monitors terminal and monitor supervision platform on-line, can lead between them
Cross word remarks, scene is taken pictures etc., and mode carries out data feedback.In Fig. 3 distribution line on-line monitoring terminal operation principle be
Line current in fault detector, electric field sampling module sampled data are existed by 433 short frequency communication modules and distribution line
Line monitoring terminal carries out communication link.Fig. 4 monitor supervision platform receives preposition and intelligence including distribution line online monitoring data and patrolled
Client is examined, described monitor supervision platform can use known Fujian Ao Tongmai to win the AT- that Power Tech Corp. Inc. produces
The monitor supervision platform of S8000 models, it is known technology product；Described fault detector can use known Fujian Ao Tongmai to win
The fault detector of the AT-C101 models of Power Tech Corp. Inc.'s production, is known technology product, it can be monitored in circuit
Current electric fields occur exception after simultaneously meet study and judge condition, itself carry out board turning action and flashing light alarm while alarm number
Terminal is monitored on-line according to distribution line is transferred to, then terminal is monitored on-line by distribution line and be transferred to after data analysis is correct
The monitor supervision platform on backstage, described distribution line on-line monitoring terminal, which can use known Fujian Ao Tongmai to win electric power science and technology, to be had
The distribution line on-line monitoring terminal of the AT-C102-D models of limit company production, this is all existing common line monitoring technology,
For known technology product, it is not described in detail.Its improvements is 232 data for monitoring terminal itself on-line by distribution line
Transmission port, GPS positioning device data are transmitted directly to monitor terminal inner on-line, then location data is passed through on-line monitoring
The communication module of terminal is transferred on monitor supervision platform, and distribution line on-line monitoring terminal is passed by when line data-logging person's line walking
When, take out hand-held mobile terminal（Containing APP）Communicated with distribution line on-line monitoring terminal, work as hand-held mobile terminal（Contain
APP）After being communicated above with distribution line on-line monitoring terminal, an inspection infomational message is sent, the notice terminal patrol point has been patrolled
Inspection, after communication terminal receives instruction, a displacement information can be sent to the monitor supervision platform on backstage, can be obtained after being parsed by platform
One inspection information, then matched by existing virtual patrol point, an inspection circuit virtual routes are eventually formed, simultaneously
If it find that any abnormal problem, the mode such as can be taken pictures by word remarks, scene, and data feedback is returned into monitor supervision platform, side
Just emergency preplan is made, carrys out monitoring circuit inspection work in this way.
Described fault detector includes line current, electric field sampling module and 433 short frequency communication modules, works as sampling module
After exception occurs for electric current, the electric field collected, judged using quick-break fixed value method：Whether criterion meets following short trouble bars
Part：
1st, it is electric on circuit：Persistently detected in upper electric 30 seconds, as electric current >=5A or line-to-earth voltage >=3kV；
2nd, fault initiating condition：Fault current definite value, 0~600A of setting range, load current IL >=If；
3rd, trouble duration：Tfmin≤Δ T≤10S, Tfmin is fault current minimum length in time, setting range 20ms~
9.99S；
4th, line outage：Load current≤5A；
Whether criterion meets following earth-fault conditions：
It is electric on circuit：Persistently detected in upper electric 30 seconds, electric current >=5A or line-to-earth voltage >=3kV；
Fault initiating condition：
1st, transient current or ground connection momentary capacitance discharge current increment are grounded：≥30A；110kV circuits are >=400A；
2nd, it is grounded phase voltage down ratio：≥60%；
3rd, Earth Phase voltage falling time:>=60S, transient state earth current discharge time：0.1~10ms/2S, Earth Phase are always electric
Stream：≥5A；
After any failure criterion of the short trouble or earth fault that meet the above, in the CPU inside fault detector
Disconnected processing is started working, and control I/O port realizes board turning action and flashing light, and carries out the corresponding time according to different fault types
Involution, then warning information is sent to distribution line by 433 short frequency communication modules and monitors terminal on-line, distribution line is supervised online
Survey the monitor supervision platform that terminal data are transferred to by way of mobile network again after analyzing correctly backstage.
Described hand-held mobile terminal is not limited by place in addition, and reliability is high, equipment volume is small, low in energy consumption, diamagnetic dry
The features such as immunity is strong, it is known technology product, such as mobile phone, is mounted therein with the APP applications that those skilled in the art can realize, its
Comprising RF communication modules, for being communicated with distribution line on-line monitoring terminal, during inspection, if it find that any exception is asked
Topic, word remarks, live shooting style are carried out by hand-held mobile terminal, and this data feedback is returned into monitor supervision platform, conveniently made
Emergency preplan.Power module uses the ferric phosphate lithium cell of technical grade, has long lifespan, in light weight, stable charge/discharge, circuit short
The features such as road self-protection, live distribution line on-line monitoring terminal are designed using technical grade, with high temperature resistant, anti-magnetic disturbance,
Short-circuit self-protection, communication performance are good, the features such as stable equipment operation, while can also be adopted using fault detector itself principle
Collect failure finger device therein temperature, solar panel charging voltage, the features such as battery voltage data, backstage personnel can grasp in real time
To line facility service data, it is ensured that powered stable.
Claims (4)
1. a kind of distribution line monitors intelligent inspection system, including monitor supervision platform, distribution line on-line monitoring terminal, failure on-line
Indicator, GPS positioning device, hand-held mobile terminal and power module, described fault detector and distribution line on-line monitoring
Terminal is arranged on distribution line, it is characterized in that：Described GPS positioning device is connected with distribution line on-line monitoring terminal；Match somebody with somebody
Electric line on-line monitoring terminal is remotely connected with monitor supervision platform；Fault detector is connected with distribution line on-line monitoring terminal, electricity
Source module provides above-mentioned distribution line on-line monitoring terminal and GPS positioning device power supply；Described distribution line on-line monitoring is eventually
End can collect electric field and current data on primary fault indicator circuit at regular intervals, while distribution line is monitored on-line
232 data wires in terminal are connected with GPS positioning device, unified after fault detector and GPS positioning device data is collected into
The communication module monitored on-line from distribution line in terminal sends data to monitor supervision platform at regular intervals, when track walker reaches
After near to distribution line on-line monitoring equipment shaft tower, open hand-held mobile terminal and led to distribution line on-line monitoring terminal
News, and after sending inspection confirmation to distribution line on-line monitoring terminal, distribution on-line monitoring terminal can be flat to monitoring at once
Platform sends an inspection confirmation, and time and GPS location information to monitor supervision platform, are analyzed by monitor supervision platform corresponding to transmission
An inspection virtual routes are formed after processing, pattern is checked card to supervise inspection work by this.
2. distribution line according to claim 1 monitors intelligent inspection system on-line, it is characterized in that：Described hand-held movement
Terminal, comprising RF communication modules, for being communicated with distribution line on-line monitoring terminal, during inspection, if it find that any different
Chang Wenti, word remarks, live shooting style are carried out by hand-held mobile terminal, this data feedback is returned into monitor supervision platform, it is convenient
Make emergency preplan.
3. distribution line according to claim 1 monitors intelligent inspection system on-line, it is characterized in that：Described GPS location
Device supports the GPS positioning device of RS232/485 data transfers using DC12V power supplies are supported.
4. distribution line according to claim 1 or 2 monitors intelligent inspection system on-line, it is characterized in that：Described failure
Indicator includes line current, electric field sampling module and 433 short frequency communication modules, when electric current, the electric field that sampling module collects
After generation exception, judged using quick-break fixed value method：Whether criterion meets following short circuit fault conditions：
1st, it is electric on circuit：Persistently detected in upper electric 30 seconds, as electric current >=5A or line-to-earth voltage >=3kV；
2nd, fault initiating condition：Fault current definite value, 0~600A of setting range, load current IL >=If；
3rd, trouble duration：Tfmin≤Δ T≤10S, Tfmin is fault current minimum length in time, setting range 20ms~
9.99S；
4th, line outage：Load current≤5A；
Whether criterion meets following earth-fault conditions：
It is electric on circuit：Persistently detected in upper electric 30 seconds, electric current >=5A or line-to-earth voltage >=3kV；
Fault initiating condition：
1st, transient current or ground connection momentary capacitance discharge current increment are grounded：≥30A；110kV circuits are >=400A；
2nd, it is grounded phase voltage down ratio：≥60%；
3rd, Earth Phase voltage falling time:>=60S, transient state earth current discharge time：0.1~10ms/2S, Earth Phase are always electric
Stream：≥5A；
After any failure criterion of the short trouble or earth fault that meet the above, in the CPU inside fault detector
Disconnected processing is started working, and control I/O port realizes board turning action and flashing light, and carries out the corresponding time according to different fault types
Involution, then warning information is sent to distribution line by 433 short frequency communication modules and monitors terminal on-line, distribution line is supervised online
Survey the monitor supervision platform that terminal data are transferred to by way of mobile network again after analyzing correctly backstage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949692.8A CN107564127A (en) | 2017-10-13 | 2017-10-13 | Distribution line monitors intelligent inspection system on-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949692.8A CN107564127A (en) | 2017-10-13 | 2017-10-13 | Distribution line monitors intelligent inspection system on-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107564127A true CN107564127A (en) | 2018-01-09 |
Family
ID=60984088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949692.8A Withdrawn CN107564127A (en) | 2017-10-13 | 2017-10-13 | Distribution line monitors intelligent inspection system on-line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107564127A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226715A (en) * | 2018-02-09 | 2018-06-29 | 北方节能股份有限公司 | A kind of indicator for monitoring power transmission distribution network failure |
| CN108521692A (en) * | 2018-03-21 | 2018-09-11 | 深圳市富满电子集团股份有限公司 | The temprature control method and LED illumination System of LED illumination System |
| CN109193446A (en) * | 2018-10-17 | 2019-01-11 | 许昌许继昌南通信设备有限公司 | Full perception detection and the inspection operational system of Distribution Network Equipment |
| CN112327103A (en) * | 2020-11-06 | 2021-02-05 | 国网新疆电力有限公司昌吉供电公司 | Intelligent monitoring method and monitoring device for distribution network equipment wire clamp |
| CN112398926A (en) * | 2020-11-03 | 2021-02-23 | 广东电网有限责任公司阳江供电局 | Power transmission line state on-line monitoring and safety situation sensing system |
| CN113866566A (en) * | 2021-10-26 | 2021-12-31 | 广东电网有限责任公司 | Distribution lines monitoring system based on fault indicator and loRa communication |
-
2017
- 2017-10-13 CN CN201710949692.8A patent/CN107564127A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226715A (en) * | 2018-02-09 | 2018-06-29 | 北方节能股份有限公司 | A kind of indicator for monitoring power transmission distribution network failure |
| CN108521692A (en) * | 2018-03-21 | 2018-09-11 | 深圳市富满电子集团股份有限公司 | The temprature control method and LED illumination System of LED illumination System |
| CN109193446A (en) * | 2018-10-17 | 2019-01-11 | 许昌许继昌南通信设备有限公司 | Full perception detection and the inspection operational system of Distribution Network Equipment |
| CN112398926A (en) * | 2020-11-03 | 2021-02-23 | 广东电网有限责任公司阳江供电局 | Power transmission line state on-line monitoring and safety situation sensing system |
| CN112327103A (en) * | 2020-11-06 | 2021-02-05 | 国网新疆电力有限公司昌吉供电公司 | Intelligent monitoring method and monitoring device for distribution network equipment wire clamp |
| CN113866566A (en) * | 2021-10-26 | 2021-12-31 | 广东电网有限责任公司 | Distribution lines monitoring system based on fault indicator and loRa communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107564127A (en) | Distribution line monitors intelligent inspection system on-line | |
| CN101446618B (en) | Real-time monitoring system of faults of overhead lines of distribution network | |
| CN105093061A (en) | Power distribution network line fault on-line monitoring and alarming system | |
| CN106017560A (en) | Cable well state comprehensive monitoring and early warning system | |
| CN106556766A (en) | A kind of distribution network failure monitoring system based on distribution line multidate information | |
| CN105071536A (en) | Intelligent distribution transformer area system | |
| CN202363974U (en) | Storage battery set on-line monitoring system based on remote monitoring platform | |
| CN106970304B (en) | Simple power transmission line fault online positioning and monitoring system | |
| CN209232119U (en) | A kind of box-type substation monitoring and alarming system based on cloud service platform | |
| CN204835714U (en) | Intelligent power distribution platform flora all | |
| CN208209630U (en) | A kind of the micromation intelligent on-line monitoring device and monitoring system of low-voltage distribution apparatus | |
| CN113013988A (en) | Intelligent power distribution cabinet based on double networks | |
| CN109490691A (en) | Signal identification type fault detector and Fault Locating Method are applied outside a kind of | |
| CN106370147A (en) | Wind deflection based power transmission line's wind deflection early warning system and method | |
| CN201749908U (en) | Remote maintenance system for storage battery | |
| CN206585391U (en) | A kind of fault monitoring system with recording type fault detector | |
| CN107302268A (en) | Switchgear house periphery running environment monitoring system | |
| CN107546852A (en) | A kind of solar energy power source apparatus system of Autonomous test protection | |
| CN111769643A (en) | Intelligent power distribution equipment, distribution box and power distribution monitoring system based on Internet of things | |
| CN205334531U (en) | Intelligent early warning system is in time cleared up to transmission line corridor screen of trees | |
| CN207458138U (en) | Distribution line monitors intelligent inspection system on-line | |
| CN202025060U (en) | Automatic fault determining and positioning system of railway distribution network automatic blocking and continuous transmission lines | |
| CN113452139B (en) | Power operation and maintenance system of power distribution room by using big data | |
| CN107781646A (en) | Natural gas monitoring system | |
| CN207559689U (en) | A kind of low-voltage platform area intelligent monitor system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180109 |