CN201742405U - Ground station system for inspecting power transmission line - Google Patents
Ground station system for inspecting power transmission line Download PDFInfo
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- CN201742405U CN201742405U CN2010205042332U CN201020504233U CN201742405U CN 201742405 U CN201742405 U CN 201742405U CN 2010205042332 U CN2010205042332 U CN 2010205042332U CN 201020504233 U CN201020504233 U CN 201020504233U CN 201742405 U CN201742405 U CN 201742405U
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Abstract
The utility model discloses a ground station system for inspecting a power transmission line, which comprises an audio and video receiving system, a local video monitoring system, a VOIP (voice over internet phone) system and an optical fiber transmission system, wherein the audio and video receiving system, the local video monitoring system and the VOIP system are connected in parallel and are connected with the optical fiber transmission system. Due to the adoption of the technical scheme, not only the existing line inspecting mode and working efficiency are changed and improved, but also real-time multichannel video transmission and voice talkback are realized.
Description
Technical field
The utility model relates to the polling transmission line technical field, relates in particular to a kind of earth station system that is used for polling transmission line.
Background technology
The conventional artificial walking operation mode of the at present existing transmission line construction of China, tour, maintenance, maintenance, not only labour intensity is big, condition of work is arduous, and efficiency is low.Particularly running under electrical network emergency and the extreme climate condition, line attendant will rely on ground traffic tools or pad it, utilize General Instrument or naked eyes patrol facility, treatment facility defective, can not adapt to the modern times fully.
Superhigh pressure, UHV transmission line that following China electricity power engineering will build up will cover the whole nation, the transmission line distance, along the line with a varied topography, the transmission line tower body is very high, and circuit is mostly away from the cities and towns and the main line of communication, between barren hill, zanjon valley and swampy lake, come in and go out, mountain area honeybee evil, snake evil also constitute a serious threat to employee's life security.
Since the fifties, more American-European developed countries just begin to use helicopter in the overhead transmission line repairing and carry out work such as staff and Work tool transportation.Time study, exploration and summary of experience through many decades, in the U.S., Canada, France, Russia, Israel, Japan and other countries, helicopter is used on transmission line from simply carrying out the transportation of personnel and equipment and is expanded to and overhead transmission line is carried out example patrol and examine maintenances, live line working, and line construction construction group is found iron tower, led scopes such as putting lead wire and earth wire.
Both at home and abroad the transmission line overview of using the helicopter operation is along with the appearance of high voltage, high-power, long distance transmission line, and the transmission line channel resource becomes more and more nervous, its expense also constantly increases, transmission line is more and more away from city and main traffic route, its construction, operation maintenance are also got over difficulty, and the continuous of the development of aircraft industry, particularly General Aviation business popularized, and also construction and the operation maintenance for transmission line provides new technical method and means.
Utilize airborne image transmission system to carry out the electric power line walking, it is a new and high technology of extensively promoting recent years, the process flight can directly be obtained digital image and the accurate realistic space three-dimensional information in the power line corridor under the situation of outage of not operating a switch, the staff is big owing to having scope from air observation, the advantage that vision is wide, can compare comprehensive observation near the face of land situation of change column foot, record and analysis and judgement, overcome the ground observation effect and be subjected to landform, the defective of ground obstacle influence, this has bigger function and significance to the harm that timely discovery and the geological disaster of prevention geological conditions complex area may bring transmission line.
Unmanned plane electric power inspection system is the already used inspection system of present electric power line walking, this system is the microwave imagery transmission of video capture device being installed on the remotely pilotless machine and adding 5.8G with the microwave transmission of 1.2G again, the image of gathering is transferred to the receiving station on ground, and flight attitude and image that ground station can telecontrolled aircraft receive.His specific use value is arranged in electric power line walking demand.Unmanned plane is that electricity consumption or chemical liquid provide power, and transmission is with 2.4G and 5.8G microwave.
But no matter man-machine, or unmanned plane is arranged, there is following shortcoming in above-mentioned inspection system:
1, in current having in the man-machine inspection system, can only record a video patrolling and examining image, return general headquarters and carry out the playback analysis by the expert, can't accomplish remote real-time monitoring and dispatch control, drawback is particularly remarkable in emergent disaster is maked an inspection tour.
2, in current unmanned plane inspection system, microwave transmission is apart from weak point, and 2.4G or 5.8G microwave diffracting power and the transmission range in wireless transmission is very short, and unmanned plane is in line walking like this, and the overhead station that can not fly is too far away, has limited the walking operation radius.
The utility model content
The purpose of this utility model is to propose a kind of earth station system that is used for polling transmission line, not only can change and improve existing line walking pattern and operating efficiency, and multi-channel video transmission in real time and speech talkback.
For reaching this purpose, the utility model by the following technical solutions:
A kind of earth station system that is used for polling transmission line, comprise audio frequency and video receiving system, local video supervisory control system, VOIP telephone system and fiber optic transmission system, audio frequency and video receiving system, local video supervisory control system and VOIP telephone system are parallel to be connected, and is connected with fiber optic transmission system.
The audio frequency and video receiving system comprises COFDM demodulating equipment, video server and Industrial Ethernet switch, and COFDM demodulating equipment, video server and Industrial Ethernet switch are connected successively.
The COFDM demodulating equipment further comprises filter, qpsk demodulator, digital to analog converter, COFDM source decoder, AES decipher, MPEG2/4 decoder and analog to digital converter, and filter, qpsk demodulator, digital to analog converter, COFDM source decoder, AES decipher, MPEG2/4 decoder are connected successively with analog to digital converter.
The local video supervisory control system comprises video camera, video server and Industrial Ethernet switch, and video camera, video server and Industrial Ethernet switch are connected successively.
VOIP telephone system in the earth station system comprises VOIP gateway, network radio station and Industrial Ethernet switch, and VOIP gateway, network radio station and Industrial Ethernet switch are connected successively.
The video server of the video server of audio frequency and video receiving system and local video supervisory control system is same video server.
The Industrial Ethernet switch of the Industrial Ethernet switch of audio frequency and video receiving system, the Industrial Ethernet switch of local video supervisory control system and VOIP telephone system is same Industrial Ethernet switch.
Adopt the technical solution of the utility model, had following effect:
1, breaks through the communication distance restriction, extended the operating radius of airborne line walking.
2, can solve the collection and the transmission of front end four road videos.
3, adopt the wireless video transmission means of COFDM, distance is far.
4, use the networking to count the teach skill art, can realize one the tunnel with the VOIP phone of ground station.
5, provide four road video acquisitions and front-end stores.Solved the problem that the unmanned plane front end can not be stored.
6, the video reception at terrestrial repetition station, forwarding.
Description of drawings
Fig. 1 is the structural representation of earth station system in the utility model embodiment.
Fig. 2 is the structural representation of COFDM demodulating equipment in the utility model embodiment.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Fig. 1 is the structural representation of earth station system in the utility model embodiment.As shown in Figure 1, earth station system comprises audio frequency and video receiving system, local video supervisory control system, VOIP telephone system and fiber optic transmission system, audio frequency and video receiving system, local video supervisory control system and VOIP telephone system are parallel to be connected, and is connected with fiber optic transmission system.
The audio frequency and video receiving system comprises COFDM demodulating equipment 101, video server 102 and Industrial Ethernet switch 103, COFDM demodulating equipment, video server and Industrial Ethernet switch are connected successively, the COFDM demodulating equipment receives the analog signal of obtaining from helicopter-mounted system and carries out demodulation, video server becomes digital signal with the analog signal conversion that receives, with the form output of ethernet ip signal, the Industrial Ethernet switch is used for the ethernet ip signal is inserted the private network of Utilities Electric Co..
Fig. 2 is the structural representation of COFDM demodulating equipment in the utility model embodiment.As shown in Figure 2, the COFDM demodulating equipment further comprises filter 1, qpsk demodulator 2, digital to analog converter 3, COFDM source decoder 4, AES decipher 5, MPEG2/4 decoder 6 and analog to digital converter 7, and filter, qpsk demodulator, digital to analog converter, COFDM source decoder, AES decipher, MPEG2/4 decoder are connected successively with analog to digital converter.
Signal receives after wave filter carries out filtering, qpsk demodulator carries out the QPSK demodulation, analog to digital converter converts analog video signal to digital video signal, the COFDM source decoder is decoded, the AES decipher is decrypted, the MPEG2/4 decoder carries out the MPEG2/4 decoding to digital video signal, and digital to analog converter converts digital video signal to analog video signal, gives video server.
The local video supervisory control system comprises video camera 104, video server 102 and Industrial Ethernet switch 103 (audio frequency and video receiving system and local video supervisory control system can shared video server 102 and Industrial Ethernet switch 103), video camera, video server and Industrial Ethernet switch are connected successively, wherein, the analog video signal of camera acquisition locality, video server becomes digital signal with the analog signal conversion that receives, with the form output of ethernet ip signal, the Industrial Ethernet switch inserts the ethernet ip signal in the private network of Utilities Electric Co..
VOIP telephone system in the earth station system comprises VOIP gateway 105, network radio station 106 and Industrial Ethernet switch 103 (earth station system and audio frequency and video receiving system and local video supervisory control system can shared Industrial Ethernet switch 103), the VOIP gateway, network radio station is connected successively with the Industrial Ethernet switch, wherein, conversion between conversion of VOIP gateway simulation telephone signal and the network telephone signal, and reception is obtained the network radio station signal from helicopter-mounted system, the UNICOM of network radio station and soft-switch platform, the Industrial Ethernet switch inserts the network radio station signal in the private network of Utilities Electric Co..Realized that with industrial Ethernet switch the Ethernet optical fiber of physical layer inserts the function of Utilities Electric Co.'s private network, the Industrial Ethernet switch has wide temperature simultaneously, and the function of wide pressure can satisfy outdoor electric requirement fully.
Comprehensive test study obtains the result and experience can be analyzed, article one, long 1000 kilometers, the high-tension line that is located in the hills landforms needs 25～30 people to carry out on the same section circuit of ground line walking maintenance work in 7～10 days, and the application helicopter is patrolled and examined and only needed 3h just can finish most of identical work.Therefore, under the condition that guarantees flight safety, compare with circuit conventional operation maintenance work mode, adopt the maintenance of helicopter line walking, rescue can overcome the difficulty that manpower is difficult to overcome under the usual manner, and with motor-driven, fast finish most of identical work with advantage efficiently, obtaining identical effect, and can alleviate line work personnel's labour intensity greatly, should be effectively replenishing of transmission line conventional operation service mode.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (7)
1. earth station system that is used for polling transmission line, it is characterized in that, comprise audio frequency and video receiving system, local video supervisory control system, VOIP telephone system and fiber optic transmission system, audio frequency and video receiving system, local video supervisory control system and VOIP telephone system are parallel to be connected, and is connected with fiber optic transmission system.
2. a kind of earth station system that is used for polling transmission line according to claim 1, it is characterized in that, the audio frequency and video receiving system comprises COFDM demodulating equipment, video server and Industrial Ethernet switch, and COFDM demodulating equipment, video server and Industrial Ethernet switch are connected successively.
3. a kind of earth station system that is used for polling transmission line according to claim 1, it is characterized in that, the COFDM demodulating equipment further comprises filter, qpsk demodulator, digital to analog converter, COFDM source decoder, AES decipher, MPEG2/4 decoder and analog to digital converter, and filter, qpsk demodulator, digital to analog converter, COFDM source decoder, AES decipher, MPEG2/4 decoder are connected successively with analog to digital converter.
4. a kind of earth station system that is used for polling transmission line according to claim 2, it is characterized in that, the local video supervisory control system comprises video camera, video server and Industrial Ethernet switch, and video camera, video server and Industrial Ethernet switch are connected successively.
5. a kind of earth station system that is used for polling transmission line according to claim 4, it is characterized in that, VOIP telephone system in the earth station system comprises VOIP gateway, network radio station and Industrial Ethernet switch, and VOIP gateway, network radio station and Industrial Ethernet switch are connected successively.
6. a kind of earth station system that is used for polling transmission line according to claim 4 is characterized in that the video server of the video server of audio frequency and video receiving system and local video supervisory control system is same video server.
7. a kind of earth station system that is used for polling transmission line according to claim 5, it is characterized in that the Industrial Ethernet switch of the Industrial Ethernet switch of audio frequency and video receiving system, the Industrial Ethernet switch of local video supervisory control system and VOIP telephone system is same Industrial Ethernet switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205042332U CN201742405U (en) | 2010-08-25 | 2010-08-25 | Ground station system for inspecting power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205042332U CN201742405U (en) | 2010-08-25 | 2010-08-25 | Ground station system for inspecting power transmission line |
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| CN201742405U true CN201742405U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205042332U Expired - Fee Related CN201742405U (en) | 2010-08-25 | 2010-08-25 | Ground station system for inspecting power transmission line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572394A (en) * | 2011-12-27 | 2012-07-11 | 浙江省电力公司 | System and method for patrolling track of electric power circuit |
| CN103812052A (en) * | 2014-03-07 | 2014-05-21 | 国家电网公司 | Centralized monitoring system for power transmission line routing inspection of unmanned aerial vehicles and monitoring method |
| CN103941745A (en) * | 2014-03-07 | 2014-07-23 | 国家电网公司 | Movable substation and working method for unmanned aerial vehicle electric transmission line inspection |
| CN105901815A (en) * | 2016-07-11 | 2016-08-31 | 贵州鸿昌科技有限公司 | Safety helmet system for tower operation in power industry |
| CN108650016A (en) * | 2018-05-04 | 2018-10-12 | 深圳市科比特航空科技有限公司 | Unmanned aerial vehicle station system |
-
2010
- 2010-08-25 CN CN2010205042332U patent/CN201742405U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572394A (en) * | 2011-12-27 | 2012-07-11 | 浙江省电力公司 | System and method for patrolling track of electric power circuit |
| CN103812052A (en) * | 2014-03-07 | 2014-05-21 | 国家电网公司 | Centralized monitoring system for power transmission line routing inspection of unmanned aerial vehicles and monitoring method |
| CN103941745A (en) * | 2014-03-07 | 2014-07-23 | 国家电网公司 | Movable substation and working method for unmanned aerial vehicle electric transmission line inspection |
| CN103812052B (en) * | 2014-03-07 | 2016-06-01 | 国家电网公司 | A kind of for without the centralized monitoring system of man-machine polling transmission line and monitoring method |
| CN103941745B (en) * | 2014-03-07 | 2016-06-01 | 国家电网公司 | For without the mobile substation of man-machine polling transmission line and method of work |
| CN105901815A (en) * | 2016-07-11 | 2016-08-31 | 贵州鸿昌科技有限公司 | Safety helmet system for tower operation in power industry |
| CN108650016A (en) * | 2018-05-04 | 2018-10-12 | 深圳市科比特航空科技有限公司 | Unmanned aerial vehicle station system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20160825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |