CN201742031U - Helicopter-mounted system for inspecting power transmission line - Google Patents
Helicopter-mounted system for inspecting power transmission line Download PDFInfo
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- CN201742031U CN201742031U CN2010205042313U CN201020504231U CN201742031U CN 201742031 U CN201742031 U CN 201742031U CN 2010205042313 U CN2010205042313 U CN 2010205042313U CN 201020504231 U CN201020504231 U CN 201020504231U CN 201742031 U CN201742031 U CN 201742031U
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Abstract
The utility model discloses a helicopter-mounted system for inspecting power transmission line, which comprises a front video collection storing system, a video transmission system and an audio intercommunication system. The front video collection storing system, the video transmission system and the audio intercommunication system are connected successively. According to the technical solution of the utility model, not only can the line inspection mode and operation efficiency changed and improved, but also multipath video transmission, storing and video intercommunication can be realized in real time.
Description
Technical field
The utility model relates to the polling transmission line technical field, relates in particular to a kind of helicopter-mounted 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 helicopter-mounted 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, storage and speech talkback in real time.
For reaching this purpose, the utility model by the following technical solutions:
A kind of helicopter-mounted system that is used for polling transmission line comprises front end video acquisition storage system, Video transmission system and speech talkback system, and front end video acquisition storage system, Video transmission system and speech talkback system are parallel to be connected.
Front end video acquisition storage system comprises video switcher, video memory and display screen, and video switcher, video memory and display screen are connected successively.
Video transmission system comprises video switcher, COFDM modulate emission device and antenna, and video switcher, COFDM modulate emission device are connected successively with antenna.
COFDM modulate emission device further comprises analog to digital converter, MPEG2/4 encoder, AES encryption equipment, COFDM source encoder, digital to analog converter, qpsk modulator and filter, and analog to digital converter, MPEG2/4 encoder, AES encryption equipment, COFDM source encoder, digital to analog converter, qpsk modulator are connected successively with filter.
The speech talkback system comprises analog telephone terminal, VOIP gateway, network radio station and antenna, and analog telephone terminal, VOIP gateway, network radio station are connected successively with antenna.
The video switcher of front end video acquisition storage system and the video switcher of Video transmission system are same video switchers.
Duplexer of the antenna duplexer of these two frequencies of the antenna of the antenna of Video transmission system and speech talkback system.
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, transmission range can reach out to distances.
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.
Description of drawings
Fig. 1 is the structural representation of helicopter-mounted system in the utility model embodiment.
Fig. 2 is the structural representation of COFDM modulate emission device 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 helicopter-mounted system in the utility model embodiment.As shown in Figure 1, helicopter-mounted system comprises front end video acquisition storage system, Video transmission system and speech talkback system, and front end video acquisition storage system, Video transmission system and speech talkback system are parallel to be connected.
Front end video acquisition storage system comprises video switcher 101, video memory 102 and display screen 103, video switcher, video memory and display screen are connected successively, video switcher receives analog video signal, and with the synthetic image frame output of multiple signals, the analog video signal that the video memory storage is sent from video switcher, and store, display screen receives analog video signal from video memory and carries out playback.
Video transmission system comprises video switcher 101 (Video transmission system can with the shared same video switcher 101 of front end video acquisition storage system), COFDM modulate emission device 104 and antenna, and video switcher, COFDM modulate emission device are connected successively with antenna.
Video switcher receives analog video signal, and with the synthetic image frame output of multiple signals.
Fig. 2 is the structural representation of COFDM modulate emission device in the utility model embodiment.As shown in Figure 2, COFDM modulate emission device further comprises analog to digital converter 401, MPEG2/4 encoder 402, AES encryption equipment 403, COFDM source encoder 404, digital to analog converter 405, qpsk modulator 406 and filter 407.Wherein, analog to digital converter, MPEG2/4 encoder, AES encryption equipment, COFDM source encoder, digital to analog converter, qpsk modulator are connected successively with filter.
Analog to digital converter converts analog video signal to digital video signal, the MPEG2/4 encoder carries out MPEG2/4 to digital video signal and is encoded into the TS code stream, the AES encryption equipment is encrypted the TS code stream, the COFDM source encoder is encoded, digital to analog converter converts digital video signal to analog video signal, qpsk modulator carries out the QPSK modulation, and filter carries out filtering, and sends to the antenna emission.
The speech talkback system comprises analog telephone terminal 105, VOIP gateway 106, network radio station 107 and antenna, analog telephone terminal, VOIP gateway, network radio station are connected successively with antenna, wherein, analog telephone terminal input analog telephone signal, the VOIP gateway is converted to network telephone signal with analog telephone signal, and the network radio station realization is connected with the earth station system Wi-Fi.
Duplexer 108 of the antenna duplexer of these two frequencies of the antenna of the antenna of Video transmission system and speech talkback system.
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. helicopter-mounted system that is used for polling transmission line, it is characterized in that, comprise front end video acquisition storage system, Video transmission system and speech talkback system, front end video acquisition storage system, Video transmission system and speech talkback system are parallel to be connected.
2. a kind of helicopter-mounted system that is used for polling transmission line according to claim 1, it is characterized in that, front end video acquisition storage system comprises video switcher, video memory and display screen, and video switcher, video memory and display screen are connected successively.
3. a kind of helicopter-mounted system that is used for polling transmission line according to claim 2, it is characterized in that, Video transmission system comprises video switcher, COFDM modulate emission device and antenna, and video switcher, COFDM modulate emission device are connected successively with antenna.
4. a kind of helicopter-mounted system that is used for polling transmission line according to claim 3, it is characterized in that, COFDM modulate emission device further comprises analog to digital converter, MPEG2/4 encoder, AES encryption equipment, COFDM source encoder, digital to analog converter, qpsk modulator and filter, and analog to digital converter, MPEG2/4 encoder, AES encryption equipment, COFDM source encoder, digital to analog converter, qpsk modulator are connected successively with filter.
5. a kind of helicopter-mounted system that is used for polling transmission line according to claim 3, it is characterized in that, the speech talkback system comprises analog telephone terminal, VOIP gateway, network radio station and antenna, and analog telephone terminal, VOIP gateway, network radio station are connected successively with antenna.
6. a kind of helicopter-mounted system that is used for polling transmission line according to claim 3 is characterized in that the video switcher of front end video acquisition storage system and the video switcher of Video transmission system are same video switchers.
7. a kind of helicopter-mounted system that is used for polling transmission line according to claim 5 is characterized in that, duplexer of antenna duplexer of these two frequencies of antenna of the antenna of Video transmission system and speech talkback system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205042313U CN201742031U (en) | 2010-08-25 | 2010-08-25 | Helicopter-mounted system for inspecting power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205042313U CN201742031U (en) | 2010-08-25 | 2010-08-25 | Helicopter-mounted system for inspecting power transmission line |
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| Publication Number | Publication Date |
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| CN201742031U true CN201742031U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205042313U Expired - Fee Related CN201742031U (en) | 2010-08-25 | 2010-08-25 | Helicopter-mounted system for inspecting power transmission line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104468122A (en) * | 2014-12-05 | 2015-03-25 | 中国航空工业集团公司第六三一研究所 | Universal flight data encryption method |
| CN105375398A (en) * | 2015-12-21 | 2016-03-02 | 国网河南宝丰县供电公司 | Device applied to fixed-point patrol and charged cleaning platform |
-
2010
- 2010-08-25 CN CN2010205042313U patent/CN201742031U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN104468122A (en) * | 2014-12-05 | 2015-03-25 | 中国航空工业集团公司第六三一研究所 | Universal flight data encryption method |
| CN105375398A (en) * | 2015-12-21 | 2016-03-02 | 国网河南宝丰县供电公司 | Device applied to fixed-point patrol and charged cleaning platform |
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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 |