CN103402083B - The video frequency monitoring method and video monitoring system of DC transmission system - Google Patents
The video frequency monitoring method and video monitoring system of DC transmission system Download PDFInfo
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- CN103402083B CN103402083B CN201310363326.6A CN201310363326A CN103402083B CN 103402083 B CN103402083 B CN 103402083B CN 201310363326 A CN201310363326 A CN 201310363326A CN 103402083 B CN103402083 B CN 103402083B
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Abstract
The present invention discloses the video frequency monitoring method and video monitoring system of a kind of DC transmission system, in current conversion station and periphery is monitored using current conversion station video monitoring system, earthing pole video monitoring equipment is set at the earthing pole of current conversion station, it is connected with earthing pole video monitoring equipment using current conversion station video monitoring system, realization includes the video monitoring inside and outside current conversion station and at earthing pole；Video information is gathered by earthing pole video monitoring equipment, then by video information by transmitting to mobile communication unit, the information that mobile communication unit will be received is transmitted to long-range server by wireless public communication network and Internet；Current conversion station video monitoring system obtains the video information of earthing pole by the access to server.The present invention is included the monitoring scope of current conversion station video monitoring system by earthing pole, with monitoring comprehensively, efficiency high, low cost and the beneficial effect such as reliability is high.
Description
Technical field
The present invention relates to the video frequency monitoring method and video monitoring system of a kind of DC transmission system, belong to power system defeated
The monitoring device of electric change equipment.
Background technology
DC transmission engineering includes earthing pole and current conversion station construction, and current DC transmission engineering is mainly supervised to current conversion station
Control.Video monitoring system is provided with current conversion station, the video monitoring system is to the valve Room in current conversion station, converter power transformer, use of standing
Transformer, main control building, auxiliary control building, relay cell, complex building, the storeroom of spare product and part, garage, comprehensive pump house, it is alert pass room,
Cable interlayer, DC fields power distribution equipment region, alternating-current field power distribution equipment region, alternating current filter field power distribution equipment region, the change of current
Regions such as enclosure wall of standing carry out real-time video monitoring, and monitoring dead angle is not stayed in each region of whole station, and operations staff passes through video monitoring system
System is it is observed that the video image of whole station arbitrary region.The equipment of video monitoring system includes：Video camera and annex, exchange
The equipment such as machine, disk, monitoring controller, picture monitor and accessory cables optical cable.
But there is problems with the current conversion station video monitoring system of existing DC transmission engineering：
First, for a DC transmission engineering, earthing pole and current conversion station are all the important sets of DC transmission engineering
Into part, and at present only in current conversion station enclosure wall and near zone is monitored；Earthing pole is generally located on several apart from current conversion station
Ten kilometers even up to a hundred kilometers of place, is not provided with operations staff, and earthing pole because of power supply, communication port etc. at earthing pole
Problem is also not provided with monitoring system so that the current technology cannot monitor to earthing pole, by manually periodically removing earthing pole
The mode of tour, efficiency is low, high cost and poor reliability.
Second, the week in the video monitoring system unitary function of current current conversion station, the only function comprising video monitoring, with station
Boundary's warning system, fire alarm system etc. are separate, when occur the external world swarm into, the emergency such as fire alarm when, it is impossible to fast velocity modulation
Live real-time video is read, intelligent level is low, be unfavorable for the treatment of safe operation and the emergency of current conversion station.
The content of the invention
An object of the present invention, in order to overcome existing current conversion station video monitoring system to be monitored to earthing pole,
And the deficiency such as current conversion station monitoring system and periphery warning system independent operating, there is provided a kind of video monitoring side of DC transmission system
Method, is monitored, and realize the intellectuality with current conversion station periphery warning system simultaneously by the method to earthing pole and current conversion station
Coordinated signals, so as to improve the function of monitoring system, ensure the safe operation of DC transmission system.
A kind of second object of the present invention, there is provided video monitoring system of DC transmission system, the video monitoring system
Simple structure, can effectively solve the problems, such as that earthing pole video monitoring equipment is powered and information transfer, and the change of current is included by earthing pole pole
The monitoring range of video monitoring system of standing, and the coordinated signals of current conversion station monitoring system and periphery warning system can be realized.
An object of the present invention can be achieved through the following technical solutions：
The video frequency monitoring method of DC transmission system, interior and current conversion station periphery of standing is carried out using current conversion station video monitoring system
Monitoring, it is characterised in that earthing pole video monitoring equipment is set at earthing pole, using current conversion station video monitoring system and ground connection
The connection of pole video monitoring equipment, realize DC transmission system current conversion station is inside and outside and video monitoring of earthing pole；At earthing pole
Camera is set, earthing pole video information is gathered；By video information transmission to the monitoring main frame for being arranged on earthing pole, main frame is monitored
By signal by being transmitted to mobile communication unit after compressed encoding treatment, the information that mobile communication unit will be received is by wireless
Communication public network or Internet communication networks are transmitted to long-range server；Current conversion station video monitoring system is by the visit to server
Ask the video information for obtaining earthing pole, the monitoring remote video in the earth polar that achieves a butt joint.
An object of the present invention can also be achieved through the following technical solutions：
Further：It is described to carry out interior and current conversion station periphery monitoring of standing, including video using current conversion station video monitoring system
Monitoring device and the linkage surveillance of perimeter alarm system, specifically refer to when breaking in, and perimeter alarm system sends alarm
While the sound, the video frequency pick-up head of automatic linkage relevant position, the very first time releases the video pictures for breaking in, and dynamically
Automatic tracing intruder.
Further：It is described to carry out interior and current conversion station periphery monitoring of standing, including video using current conversion station video monitoring system
The linkage surveillance of monitoring device and fire alarm system, it is automatic to join while fire alarm system starts alarm when there is fire alarm
The video frequency pick-up head of dynamic relevant position, the very first time releases the video pictures of conflagration area.
Further：The earthing pole video information of camera collection is transmitted through the fiber to monitoring main frame.
The second object of the present invention can be achieved through the following technical solutions：
The video monitoring system of DC transmission system, including video prison in video monitoring equipment and current conversion station in current conversion station
The current conversion station video monitoring system of control equipment connection, it is characterised in that：Earthing pole video is set at the earthing pole of direct current transportation
Monitoring device, the earthing pole video monitoring equipment includes camera and monitoring host computer, signal output part and the ground connection of camera
The signal input part of the monitoring host computer of pole is connected, and monitoring main frame has video information compression coding structure, its output end and movement
The input of communication unit is connected, and the output end of mobile communication unit is by wireless public communication network or Internet communication networks and clothes
The input of business device is connected；Current conversion station video monitoring system is by wireless public communication network or Internet communication networks and server
Output end is connected；The earthing pole video monitoring equipment uses the power supply on the spot being made up of wind energy, luminous energy and energy storage device.
The second object of the present invention can also be achieved through the following technical solutions：
Further：Also include the communication interface arrangement of warning system, current conversion station video monitoring system passes through warning system
The interface arrangement of communication is interconnected with warning system, and when warning system sends alarm signal, warning system will alarm generation area
Geocoding be sent to current conversion station video monitoring system, the work station of current conversion station video monitoring system receives alarm generating region
After the geocoding in domain, by address of cache, the camera of corresponding region is inquired, automatically switch corresponding picture.
Further：The communication interface arrangement of the warning system includes the communication interface arrangement of perimeter alarm system, institute
State the communication interface arrangement of perimeter alarm system by perimeter alarm system communication module, the first video monitoring system communication module and
Shielded Twisted Pair is constituted, using shielding multiple twin between the perimeter alarm system communication module and video monitoring system communication module
Line is connected, using RS485 bus communications.
Further：The communication interface arrangement of the warning system includes fire alarm system communication interface arrangement, described
The communication interface arrangement of fire alarm system by fire alarm system communication module, the second video monitoring system communication module, with
Too network switch is communicated with five class ethernet lines composition, the fire alarm system communication module and the second video monitoring system is surpassed
Module realizes mutually communication by surpassing five class ethernet line access network based on ethernet interchangers, using TCP/IPModbus communication protocols.
Further：The electric supply installation of the power supply on the spot includes wind-driven generator, solar panels, battery and discharge and recharge
Battery, wind-driven generator and solar panels are carried out electric energy management by controller by charging-discharging controller, when wind energy or the sun
When can be sufficient, be charged to battery by charging-discharging controller, when wind energy or not enough solar energy, battery supplement electric discharge；And lead to
Charging-discharging controller is crossed for earthing pole video monitoring equipment is powered.
Further：Camera uses infrared intelligence camera, the signal output part of infrared intelligent camera by optical fiber with
The signal input part of the monitoring host computer of earthing pole is connected, and monitoring host computer is connected by twisted-pair feeder with mobile communication unit.
The present invention has following prominent beneficial effect：
1st, the present invention sets earth polar video monitoring equipment at earthing pole, using current conversion station video monitoring system and earthing pole
Video monitoring equipment is connected, i.e., the information transmission for being gathered earthing pole camera by wireless communication technology is supervised to current conversion station video
Control system.The earthing pole that cannot be monitored in the past is included the monitoring scope of current conversion station video monitoring system, is not patrolled periodically manually
Depending on, manpower expense is reduced, and wireless communication technology is used, without laying private network of electric power system network, rent highway resource reality
Existing video information reliability teletransmission, and meet the secondary security protection particular/special requirement of power system, thus the present invention have monitoring comprehensively, efficiency
The high and low beneficial effect of cost.
2nd, the present invention is solved at earthing pole without external electricity using the power supply on the spot of wind energy, luminous energy and energy storage device composition
The problem in source, has ensured the working power of earthing pole video monitoring equipment, for earthing pole video monitoring equipment normal work is provided
Solid foundation, improves the reliability of video monitoring.
3rd, the communication interface arrangement that the present invention passes through perimeter alarm system, realizes current conversion station video monitoring system and circumference
The linkage Based Intelligent Control of warning system, when breaking in, while perimeter alarm system sends alarm sound, automatic linkage
Related infrared intelligent camera, the very first time releases the video pictures for breaking in, so that dynamic auto tracking intruder, has
Live video can be quickly had access to, is conducive to the beneficial effect of monitoring linkage between the police and the people, evidence preservation and cracking of cases.
4th, the present invention realizes current conversion station video monitoring system and fire by the communication interface arrangement of fire alarm system
The linkage Based Intelligent Control of warning system, when there is fire alarm, while fire alarm system starts alarm, auto-associating correlation is infrared
Intelligent video camera head, the very first time releases the video pictures of conflagration area, with quick extinguishing, elimination disaster hidden-trouble, improves and changes
The reliability of stream station O＆M waits until beneficial effect.
5th, earthing pole is monitored by current conversion station video monitoring system, and with perimeter alarm system and fire alarm system
System linkage, improves the O＆M reliability of DC transmission system.
Brief description of the drawings
Fig. 1 is the block diagram of the video monitoring system of DC transmission system of the present invention.
Fig. 2 is the connection diagram of current conversion station video monitoring system of the present invention and earthing pole video monitoring equipment.
Fig. 3 is the electrical schematic of earthing pole video monitoring equipment of the present invention.
Fig. 4 is the communication interface arrangement schematic diagram of perimeter alarm system of the present invention.
Fig. 5 is the communication interface arrangement schematic diagram of fire alarm system of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The video monitoring system of the DC transmission system shown in reference picture 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, including in current conversion station
The communication of video monitoring equipment 2, current conversion station video monitoring system 1, earthing pole video monitoring equipment 3, electric supply installation and warning system
Interface arrangement 5, video monitoring equipment 2 uses existing monitoring device in current conversion station；Earthing pole video monitoring equipment 3 includes camera
3-1 and monitoring host computer 3-2 etc., camera 3-1 use infrared intelligence camera；The communication interface arrangement 5 of warning system includes circumference
The communication interface arrangement 5-1 and fire alarm system communication interface arrangement 5-2 of warning system.
Earthing pole video monitoring equipment 3 is set at the earthing pole of direct current transportation, video monitoring equipment 2 and is connect in current conversion station
Earth polar video monitoring equipment 3 is connected with current conversion station video monitoring system 1, the letter of the camera 3-1 of earthing pole video monitoring equipment 3
Number output end is connected by optical fiber with the signal input part of the monitoring host computer 3-2 of earthing pole, and monitoring main frame 3-2 has video information
Compressed encoding structure, its output end are connected by the Shielded Twisted Pair of 10/100M with the input of mobile communication unit 3-3, are moved
The output end of dynamic communication unit 3-3 is connected by wireless public communication network or Internet communication networks with the input of server 3-4；
The output that the work station of current conversion station video monitoring system 1 passes through wireless public communication network or Internet communication networks and server 3-4
End is connected.
The earthing pole video monitoring equipment 3 using the power supply on the spot being made up of wind energy, luminous energy and energy storage device, it is described just
The electric supply installation of ground power supply includes wind-driven generator 4-1, solar panels 4-2, battery 4-3 and charging-discharging controller 4-4, passes through
Charging-discharging controller 4-4 carries out electric energy management to battery 4-3, wind-driven generator 4-1 and solar panels 4-2, when wind energy or too
During positive energy abundance, charged to battery 4-3 by charging-discharging controller 4-4, when wind energy or not enough solar energy, battery 4-3 is mended
Discharge and recharge；And by charging-discharging controller 4-4 for earthing pole video monitoring equipment 3 is powered.
The video frequency monitoring method of DC transmission system, it is all using the interior and current conversion station that stand of current conversion station video monitoring system 1
Side is monitored, and earthing pole video monitoring equipment 3 is set at earthing pole, using current conversion station video monitoring system 1 and earthing pole video
Monitoring device 3 is connected, realize DC transmission system current conversion station is inside and outside and video monitoring of earthing pole；Set at earthing pole and taken the photograph
As head 3-1, earthing pole video information is gathered；Video information is transmitted through the fiber to the monitoring main frame 3-2 for being arranged on earthing pole,
Monitoring main frame 3-2 transmits to mobile communication unit 3-3 signal by after compressed encoding treatment, and mobile communication unit 3-3 will connect
The information for receiving is transmitted to long-range server 3-4 by wireless public communication network or Internet communication networks；Current conversion station video is supervised
The work station of control system 1 obtains the video information of earthing pole by the access to server 3-4, and the long-range of the earth polar that achieves a butt joint regards
Frequency is monitored.
It is described to carry out interior using current conversion station video monitoring system 1 and change station periphery monitoring shown in reference picture 4, including video
The linkage surveillance of monitoring device and perimeter alarm system, current conversion station video monitoring system 1 is connect by the communication of perimeter alarm system
Mouth device 5-1 is interconnected with perimeter alarm system, and the communication interface arrangement 5-1 of the perimeter alarm system includes perimeter alarm system
Communication module 5-11, the first video monitoring system communication module 5-12 and Shielded Twisted Pair 5-13, the perimeter alarm system lead to
Electrically connected using Shielded Twisted Pair 5-13 between news module 5-11 and the first video monitoring system communication module 5-12, used
RS485 bus communications.
The data form of RS485 bus communications is as shown in Table 1 and Table 2：
Table 1 is inquiry data frame format：
| Device address | Function code | Initial address | Register number | Verification |
| 1Byte | 1Byte | 2Byte | 2Byte | 2Byte |
Table 2 is in response to data frame format：
| Device address | Function code | Data length | Data | Verification |
| 1Byte | 1Byte | 1Byte | …… | 2Byte |
The data length represents the length of data field, and verification uses CRC16 check codes,
By the communication interface arrangement 5-1 of perimeter alarm system, when the generation external world breaks in, perimeter alarm system is opened
While dynamic alarm, the geocoding of perimeter alarm generation area is sent to current conversion station video monitoring system 1, current conversion station video
The work station of monitoring system 1 inquires the infrared intelligent camera of corresponding region, automatic linkage relevant position by address of cache
Infrared intelligent camera, the very first time releases the video pictures that break in, and dynamic auto tracking intruder.
It is described to carry out interior using current conversion station video monitoring system 1 and change station periphery monitoring shown in reference picture 5, including video
The linkage surveillance of monitoring device and fire alarm system, current conversion station video monitoring system 1 is connect by the communication of fire alarm system
Mouth device 5-2 is interconnected with fire alarm system：The communication interface arrangement 5-2 of the fire alarm system includes fire alarm system
Communication module 5-21, the second video monitoring system communication module 5-22, Ethernet switch 5-23 and surpass five class ethernet line 5-
24, the fire alarm system communication module 5-21 and the second video monitoring system communication module 5-22 are by surpassing five class Ethernets
Line 5-24 access network based on ethernet interchangers 5-23 realizes mutually communication, fire alarm system communication module 5-21 and the second video monitoring
TCP/IP Modbus communication protocols are used between system communication module 5-22；
The data form of the TCP/IP Modbus communication protocols is as shown in Table 3 and Table 4：
Table 3 is inquiry data frame format：
| Starting character | Byte number | Device address | Function code | Initial address | Read quantity |
| 5Byte | 1Byte | 1Byte | 1Byte | 2Byte | 2Byte |
Table 4 is in response to data frame format：
| Starting character | Byte number | Device address | Function code | Data length | Data |
| 5Byte | 1Byte | 1Byte | 1Byte | 1Byte | …… |
By the communication interface arrangement 5-2 of warning system, when a fire, fire alarm system starts the same of alarm
When, the geocoding of fire alarm generation area is sent to current conversion station video monitoring system, the current conversion station video monitoring system 1
After work station receives the geocoding of alarm generation area, by address of cache, the infrared intelligent for inquiring corresponding region is taken the photograph
As head, the infrared intelligent camera of auto-associating relevant position, the very first time releases the video pictures of conflagration area.
Claims (5)
1. the video monitoring system of DC transmission system, including video monitoring equipment in current conversion station（2）Supervised with video in current conversion station
Control equipment（2）The current conversion station video monitoring system of electrical connection（1）, it is characterised in that：Ground connection is set at the earthing pole of current conversion station
Pole video monitoring equipment（3）, the earthing pole video monitoring equipment（3）Including camera（3-1）And monitoring host computer（3-2）, take the photograph
As head（3-1）Signal output part connection monitoring host computer（3-2）Signal input part, monitor main frame（3-2）With video information
Compressed encoding structure, its output end connection mobile communication unit（3-3）Input, mobile communication unit（3-3）Output end
By cordless communication network or Internet communication network connection servers（3-4）Input；Current conversion station video monitoring system（1）
By cordless communication network or Internet communication network connection servers（3-4）Output end；The earthing pole video monitoring sets
It is standby（3）The power supply on the spot constituted using wind energy, luminous energy and energy storage device；Current conversion station video monitoring system（1）It is connected with alarm system
System communication interface arrangement（5）, current conversion station video monitoring system（1）By warning system communication interface arrangement（5）With warning system
Interconnection, when warning system sends alarm signal, the geocoding of generation area of alarming is sent to current conversion station and regarded by warning system
Frequency monitoring system（1）, current conversion station video monitoring system（1）After receiving the geocoding of alarm generation area, reflected by address
Penetrate, inquire the camera of corresponding region, automatically switch corresponding picture.
2. the video monitoring system of DC transmission system according to claim 1, it is characterised in that：The warning system
Communication interface arrangement（5）Communication interface arrangement including perimeter alarm system（5-1）With fire alarm system communication interface arrangement
（5-2）, when the generation external world breaks in, the geocoding of circumference alarm generation area is sent to current conversion station video monitoring system
System（1）, current conversion station video monitoring system（1）By address of cache, the camera of corresponding region is inquired, automatically switched corresponding
Picture；When a fire, the geocoding of fire alarm generation area is sent to current conversion station video monitoring system（1）, it is described to change
Stream station video monitoring system（1）By address of cache, the camera of corresponding region is inquired, automatically switch corresponding picture.
3. the video monitoring system of DC transmission system according to claim 2, it is characterised in that：The perimeter alarm system
The communication interface arrangement of system（5-1）Including perimeter alarm system communication module（5-11）, the first video monitoring system communication module
（5-12）And Shielded Twisted Pair（5-13）, the perimeter alarm system communication module（5-11）With video monitoring system communication module
（5-12）Between use RS485 bus communications, using Shielded Twisted Pair（5-13）Electrical connection.
4. the video monitoring system of DC transmission system according to claim 2, it is characterised in that：The fire alarm system
The communication interface arrangement of system（5-2）Including fire alarm system communication module（5-21）, the second video monitoring system communication module
（5-22）, Ethernet switch（5-23）With surpass five class ethernet lines (5-24), the fire alarm system communication module（5-
21）With the second video monitoring system communication module（5-22）By surpassing five class ethernet lines（5-24）Access network based on ethernet interchanger
（5-23）Realize mutually communication, fire alarm system communication module（5-21）With the second video monitoring system communication module（5-22）
Between use TCP/IP Modbus communication protocols.
5. the video monitoring system of the DC transmission system according to Claims 1-4 any claim, its feature exists
In：The power supply on the spot of the wind electricity generating system, light power generating device and energy storage device composition includes wind-driven generator（4-1）、
Solar panels（4-2）, battery（4-3）And charging-discharging controller（4-4）, by charging-discharging controller (4-4) to battery（4-
3）, wind-driven generator（4-1）, solar panels（4-2）Electric energy management is carried out, when wind energy or sufficient solar energy, by discharge and recharge
Controller charges to battery, when wind energy or not enough solar energy, battery supplement electric discharge；And by charging-discharging controller（4-4）
It is earthing pole video monitoring equipment（3）Power supply.
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| CN201310363326.6A CN103402083B (en) | 2013-08-19 | 2013-08-19 | The video frequency monitoring method and video monitoring system of DC transmission system |
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| CN201310363326.6A CN103402083B (en) | 2013-08-19 | 2013-08-19 | The video frequency monitoring method and video monitoring system of DC transmission system |
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| CN103402083B true CN103402083B (en) | 2017-07-07 |
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| CN104601420A (en) * | 2014-12-31 | 2015-05-06 | 江西清华泰豪三波电机有限公司 | Method for flexibly reading power station data by utilizing Modbus |
| CN106303386B (en) * | 2015-05-29 | 2019-08-09 | 深圳市中智盛安安全技术有限公司 | A kind of fire-fighting user information transmission method and system |
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| JP4587953B2 (en) * | 2005-12-28 | 2010-11-24 | 三菱電機株式会社 | Intruder detection system |
| CN102355063A (en) * | 2011-10-27 | 2012-02-15 | 广东省电力设计研究院 | Power equipment monitoring system |
| CN202840686U (en) * | 2012-09-10 | 2013-03-27 | 中国南方电网有限责任公司超高压输电公司 | Converter station earth electrode equipment monitoring system |
| CN203399223U (en) * | 2013-08-19 | 2014-01-15 | 中国能源建设集团广东省电力设计研究院 | Video monitoring system of direct current power transmission system |
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Address after: 510670 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510670 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant before: Guangdong Electric Power Design Institute of CEEC |
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