CN104392505A - High voltage transmission tower patrol system based on GNSS (global navigation satellite system) and two-dimension code - Google Patents

High voltage transmission tower patrol system based on GNSS (global navigation satellite system) and two-dimension code Download PDF

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Publication number
CN104392505A
CN104392505A CN201410606797.XA CN201410606797A CN104392505A CN 104392505 A CN104392505 A CN 104392505A CN 201410606797 A CN201410606797 A CN 201410606797A CN 104392505 A CN104392505 A CN 104392505A
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China
Prior art keywords
patrol
power transmission
gnss
voltage power
information
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CN201410606797.XA
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CN104392505B (en
Inventor
何冰
袁奇
蓝耕
谢小松
俞震亮
王炜
戈睛天
陈亮
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State Grid Shanghai Electric Power Co Ltd
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State Grid Shanghai Electric Power Co Ltd
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/20Checking timed patrols, e.g. of watchman
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/421Determining position by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system
    • G01S19/425Determining position by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system by combining or switching between signals derived from different satellite radio beacon positioning systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/1408Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/14172D bar codes

Abstract

The invention relates to a high voltage transmission tower patrol system based on a GNSS (global navigation satellite system) and a two-dimension code, belonging to the field of the equipment maintenance. The high voltage transmission power patrol system comprises a tower two-dimension code nameplate which is arranged on a high voltage transmission tower, a patrol handheld terminal carried by the patrol personnel, a high voltage transmission tower data center which is arranged in a control center or a management center and a user terminal; an integrated intelligent patrol and information management system is realized on the basis of multimode GNSS point positioning, precise point positioning of GNSS/SBAS (satellite-based augmentation system), two-dimension code, GIS (geographic information system) and mobile communication network technology, a precise patrol position is provided by virtue of GNSS, the traditional patrol point is substituted by the two-dimension code, a wireless data transmission link is provided by the mobile communication network, the real-time dynamic information multimedia management system is realized by virtue of the GIS system, a more convenient, rapid, efficient and practical information management means is provided, and the high voltage transmission tower patrol system is an ideal high voltage transmission tower patrol and information management system.

Description

A kind of high-voltage power transmission tower patrol system based on GNSS and Quick Response Code
Technical field
The invention belongs to plant maintenance field, particularly relate to a kind of for the patrolling and examining of high-voltage power transmission tower, safeguard and information management system.
Background technology
Traditional electronic patrol system is made up of night watching point, night watching instrument, transmission medium and patrolling management main frame four part usually.In addition, patrol system can also be divided into wireless electron patrol system and Wired electronic patrol system according to the difference of transmission medium.
The current situation of electronic patrol system can be summarized as simply: electronic patrol system application principal mode is the wireless electron patrol system based on information button+hand-held night watching instrument, based on usb communication, IEEE802.11ab, the electronic patrol system of the wireless communication protocols such as SWAP has replaced the electronic patrol system based on RS-232 communication, wireless patrol system based on RFID technique becomes the main flow of electronic patrol system, integrated wireless electronics patrol system based on GPS (GPS) and GIS (Geographic Information System) system receives increasing concern.
Patrol and examine application specific to current domestic electrical industry, night watching point mainly contains several forms such as special marking, bar code, information button and radio-frequency card (RFID).
Above-mentioned several patrol system needs to use the night watching instrument of specialty or equipment to carry out each equipment routing inspection point relevant information and reads, and the wireless patrol system Point-positioning Precision based on GPS is low, and what cannot meet adjacent or many mutual cross high-voltage transmission lines of electricity patrols and examines requirement.
For patrol officer, night watching equipment falls behind operation and uses inconvenience, lacks task management and patrol and examine layout of roads and cause patrolling and examining inefficiency; The process of patrolling and examining also exists more human factor, easily causes and patrols and examines not in place, undetected or false retrieval situation; From management view, be difficult in time, accurately, all sidedly understand line data-logging situation, be difficult to formulate best line service and maintenance program, be also unfavorable for the effective monitoring to patrol officer and examination.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of high-voltage power transmission tower patrol system based on GNSS and Quick Response Code, its Static Precise Point Positioning combined based on multimode GNSS (GPS and Beidou satellite navigation system) One-Point Location and GNSS/SBAS, Quick Response Code, GIS in conjunction with technology such as mobile communications networks, realize the intelligence night watching of a kind of integrated high-voltage power transmission tower and information management system, its GNSS provides accurate night watching position, Quick Response Code replaces traditional night watching point, mobile communications network provides wireless data link, real-time mobilism information multi-media management system is realized by generalized information system, there is provided convenient, fast, effectively, practical information management, a kind of desirable high-voltage power transmission tower night watching and information management system.
Technical scheme of the present invention is: provide a kind of high-voltage power transmission tower patrol system based on GNSS and Quick Response Code, it is characterized in that:
Described high-voltage power transmission tower patrol system comprises the tower two-dimension code nameplate be arranged on high-voltage power transmission tower, the high-voltage power transmission tower data center patrolling and examining handheld terminal, be arranged on dispatching center or administrative center of being carried by patrol officer and user terminal;
Handheld terminal of patrolling and examining described in it reads 2 D code information on the tower two-dimension code nameplate of each high-voltage power transmission tower by scan mode, the satellite-signal being received GNSS and satellite-based augmentation system SBAS by built-in global navigation satellite system GNSS receiver module carries out Differential positioning;
Described handheld terminal of patrolling and examining carries out bidirectional data communication by wide area network and high-voltage power transmission tower data center, through wide area network by the 2 D code information of each high-voltage power transmission tower, the position of inspection terminal and night watching record, is sent to described data center;
Described data center analyzes the position of the 2 D code information received, inspection terminal and night watching record, store and management, and combine with the ultra-high-tension power transmission line GIS information that data center server stores, classifiction statistics and the night watching record queries of ultra-high-tension power transmission line and shaft tower is provided for comprising the user terminal of patrolling and examining handheld terminal.
Quick Response Code nameplate described in it can be installed one or more on high-voltage power transmission tower, avoids directly blocking of shaft tower Adjacent Buildings or trees under the condition that installation site can be touched patrol officer as far as possible.
The shaft tower information that Quick Response Code nameplate described in it comprises is through coding and encryption.
Coding described in it and encryption adopt Caesar's method, the letter of composition information is postponed 3 in order and plays encryption effect.
Handheld terminal of patrolling and examining described in it comprises special purpose intelligent terminal, panel computer or smart mobile phone.
Concrete, described patrols and examines handheld terminal with camera head, can realize the scanning of Quick Response Code; Coordinate software also should realize reading, storing and the function of information decoding; Described handheld terminal of patrolling and examining can interconnection network, carries out data communication, information is sent to data center with described high-voltage power transmission tower data center.
Concrete, described patrols and examines the built-in GNSS receiver module of handheld terminal, can receive GNSS signal and carry out single-point satellite navigation location; Described GNSS receiver module can receive satellite-based augmentation system SBAS satellite difference correction signal, and carries out Static Precise Point Positioning in conjunction with other GNSS signal.
Concrete, described patrols and examines handheld terminal built-in memory module, has wireless and wired data transfer interface, can carry out wireless data communications by connecting wan network.
Concrete, described handheld terminal of patrolling and examining is provided with high-voltage power transmission tower night watching application software.
Described in it, the Core Feature of high-voltage power transmission tower night watching application software specifically comprises: patrol officer logs in, Quick Response Code scans, 2 D code information reads and decipher, GNSS positioning result reads, patrol task management, with word, the patrolling and examining memorandum, map denotation, information inquiry, patrol and examine data message record of sound or picture format typing, data message packing, coding with send.
Concrete, described in it, the night watching task job step of high-voltage power transmission tower night watching application software is:
101) high-voltage power transmission tower patrol officer uses account and code entry;
102) patrol task management function is used, passive or to be got to data center by active inquiry and patrol and examine task;
103) scan tower two-dimension code nameplate, 2 D code information read and deciphering, be decrypted according to Caesar's method, by the letter of composition information in order forward 3 play deciphering effect, thus obtain shaft tower basic parameter information, shaft tower accurate location coordinate;
104) memorandum is patrolled and examined in typing, reads GNSS single-point or Differential positioning result, patrols and examines the position of handheld terminal, i.e. the position of patrol officer described in what this positioning result provided is;
105) use Caesar's method to carry out coding encrypting the information such as shaft tower basic parameter information, shaft tower position coordinates, night watching memorandum and patrol officer position, the information of gained is sent to data center by wide area network;
106) by 105) while information described in step sends data center, patrol and examine handheld terminal and also these information can be stored in and patrol and examine in the storage of handheld terminal.
Concrete, the operation steps of information inquiry described in it and Presentation Function is:
201) under patrol officer is in Entered state, query interface is used to propose inquiry request to data center;
202) data center returns Query Result, and according to the difference of inquiry request, these results comprise: current shaft tower patrol and examine the extend informations such as historical record, shaft tower maintenance record, instruction, alarm, help or prompting;
203) current location of patrol officer, the position patrolling and examining target shaft tower and path and range information, shown by map label or textual list mode.
Data center described in it at least comprises ultra-high-tension power transmission line and shaft tower essential information storage server, night watching information management and Web server and GIS Gopher, and the database corresponded at least comprises ultra-high-tension power transmission line and shaft tower basic information database, night watching information management database and GIS information database.
User terminal described in it is limited smart mobile phone, PC PC or panel computer;
Described user terminal possesses the equipment of inquiry and web browsing function; Use these equipment to log in described data center Web server by limited account number, inquire and browse the various parameter informations of described ultra-high-tension power transmission line and shaft tower.
Described user terminal does not need to install special application software, uses generic web page browser to reach and patrols and examines the similar query function of handheld terminal to described.
Described limited smart mobile phone, PC PC or panel computer possess scanning Quick Response Code, the equipment of inquiry and web browsing function.
Limited account number described in it refers to about inspection management department to log in patrolling and examining staff in a concrete database or givenly to patrol and examine staff's special account number, only can log in described data center Web server the people of this database or the talent that has a special account number, thus realize limited.
Further, the processing procedure of the satellite-signal of described global navigation satellite system GNSS and satellite-based augmentation system SBAS is:
301) GPS pseudorange and the carrier phase of all satellites in the visual field is gathered at the reference station of known location.
302) all measurements obtained at reference station are sent to main website.
303) main website error of calculation correction vector sum judges system health.
304) Correction of Errors vector sum integrity information is launched into user.
305) user receives integrity warning information, improves navigation accuracy with Correction of Errors number.
Further, described Static Precise Point Positioning is the precise satellite track and satellite clock correction that utilize the GPS observation data of global some ground tracking stations to calculate, and the phase place gather Single GPS receiver and Pseudo-range Observations position and resolve.
Further, the operation steps of Static Precise Point Positioning described in it is:
401) precise ephemeris is fitted to polynomial form;
402) multiple international GNSS Servers Organization IGS tracking station GPS observation data and precise ephemeris is utilized to estimate to obtain the satellite clock correction at 30s interval;
403) the track polynomial expression of matching and satellite clock correction is utilized to carry out Static Precise Point Positioning calculating together with subscriber station observation data.
Compared with the prior art, advantage of the present invention is:
1, Quick Response Code nameplate is used to substitute traditional night watching point to high-voltage power transmission tower in the technical program, higher than common bar code information capacity tens times, and fault-tolerant ability is strong, have error correction, reliability of decode is high, more much lower than common bar code decoding error rate, confidentiality, antifalsification are good, cost is low, easily makes, durable; Use Quick Response Code nameplate, do not need special equipment, common smart mobile phone and intelligent terminal can complete patrols and examines, and simple to operate, security is high, and makes cheap, even if Quick Response Code damage also can safe patrolling and examining.And decoding is rapid, can complete the work of patrolling and examining in a short period of time.
2, based on the Beidou satellite navigation system that the technical program is independently built by China, and in conjunction with other GNSS satellite navigational system, realize multimode GNSS One-Point Location, the reliability of positioning of patrol officer, availability and integrality significantly promote; Even if the technical program is in the region of covering by forest seriously, ultra-high-tension power transmission line interlocks, shaft tower is intensive, also can carry out Static Precise Point Positioning, accurately can identify that patrol officer operates the night watching of different shaft tower; Like this, patrol officer can not be subject to the time, the restriction in place, and only carry a smart mobile phone and can complete the work of patrolling and examining fast, this greatly reduces night watching cost.And simple due to what operate, the accuracy of GNSS and the accuracy of Quick Response Code, make to patrol and examine by human factor, the impact of the conditions such as environmental area, makes the accuracy rate of night watching gained information be improved.
3, the technical program is in conjunction with GIS technology, set up data service center, the various data of ultra-high-tension power transmission line and information are effectively managed, for managerial personnel provide effective ladder of management, centralized information system management can be carried out to administrative night watching personnel, the classifiction statistics of the overall situation can be obtained, lines escalation maintenance, disaster alarm, emergency episode process and response etc. are provided to the basis for estimation of science.
4, in the technical program patrol and examine layout of roads, task issues or gets, automatically instruction and alarm function decrease the workload of patrol officer, reduce the complexity of patrol officer being patrolled and examined to work, improve and patrol and examine accuracy and work efficiency.Track data and the inquiry of history patrol record, not only for management and patrol officer provide reference frame, also for line maintenance and upgrading personnel provide first hand information reference.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is the information interactive process of patrol system;
Fig. 3 is the complete job flow process of high-voltage power transmission tower patrol system;
Fig. 4 is GNSS and SBAS technology schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
In Fig. 1, the invention provides a kind of high-voltage power transmission tower patrol system based on GNSS and Quick Response Code, the high-voltage power transmission tower patrol system described in it comprises the tower two-dimension code nameplate be arranged on high-voltage power transmission tower, the high-voltage power transmission tower data center patrolling and examining handheld terminal, be arranged on dispatching center or administrative center of being carried by patrol officer and user terminal;
Handheld terminal of patrolling and examining described in it reads 2 D code information on the tower two-dimension code nameplate of each high-voltage power transmission tower by scan mode, the satellite-signal being received GNSS and satellite-based augmentation system SBAS by built-in global navigation satellite system GNSS receiver module carries out Differential positioning;
Described handheld terminal of patrolling and examining carries out bidirectional data communication by wide area network and high-voltage power transmission tower data center, through wide area network by the 2 D code information of each high-voltage power transmission tower, the position of inspection terminal and night watching record, is sent to described data center;
Described data center analyzes the position of the 2 D code information received, inspection terminal and night watching record, store and management, and combine with the ultra-high-tension power transmission line GIS information that data center server stores, classifiction statistics and the night watching record queries of ultra-high-tension power transmission line and shaft tower is provided for comprising the user terminal of patrolling and examining handheld terminal.
Wherein, described Quick Response Code nameplate can be installed one or more on high-voltage power transmission tower, avoids directly blocking of shaft tower Adjacent Buildings or trees under the condition that installation site can be touched patrol officer as far as possible.
The shaft tower information that Quick Response Code nameplate described in it comprises is through coding and encryption.
Coding described in technical solution of the present invention and encryption adopt Caesar's method, the letter of composition information is postponed 3 in order and plays encryption effect.
Handheld terminal of patrolling and examining described in it comprises special purpose intelligent terminal, panel computer or smart mobile phone.
Patrol and examine handheld terminal with camera head described in it, the scanning of Quick Response Code can be realized; Coordinate software also should realize reading, storing and the function of information decoding; Described handheld terminal of patrolling and examining can interconnection network, carries out data communication, information is sent to data center with described high-voltage power transmission tower data center.
Patrol and examine the built-in GNSS receiver module of handheld terminal described in it, GNSS signal can be received and carry out single-point satellite navigation location; Described GNSS receiver module can receive satellite-based augmentation system SBAS satellite difference correction signal, and carries out Static Precise Point Positioning in conjunction with other GNSS signal.
Patrol and examine handheld terminal built-in memory module described in it, there is wireless and wired data transfer interface, wireless data communications can be carried out by connecting wan network.
Handheld terminal of patrolling and examining described in it is provided with high-voltage power transmission tower night watching application software.
Quick Response Code is that a kind of information of widespread use in modern commerce activity stores, transmits and recognition technology, the chequered with black and white figure that it adopts specific geometric figure to distribute on planar direction according to certain rules carries out code storage to information, is a key of all information datas.Basic " sweep and the sweep " function of current smart mobile phone makes the application of Quick Response Code more general.
In the technical program, described night watching bad environments refers in indoor, in the Complex Channel environment such as dense city, block, the phenomenon such as multipath and interference is comparatively serious, and GNSS signal will deep fades, makes GNSS receiver catching and following the tracks of and will be difficult to realize navigation satellite signal.The night watching bad environments of this patent refer in particular to the buildings of shaft tower surrounding enviroment and trees many, the signal between satellite and mobile terminal is absorbed by buildings and trees.
The high precision Static Precise Point Positioning combined based on GNSS/SBAS and the security of Quick Response Code, simple type, the present invention proposes the high-voltage power transmission tower patrol system of GNSS and Quick Response Code, the night watching equipment overcoming traditional patrol system falls behind, patrol and examine not in place, undetected or false retrieval situation, by environment, the situation etc. of makeing mistakes is patrolled and examined in the impact of weather.
As shown in Figure 1, this patrol system comprise high-voltage power transmission tower 1, tower two-dimension code nameplate 2, patrol and examine handheld terminal 3, data center 4 and user terminal 5.
Described patrols and examines handheld terminal 3 reads high-voltage power transmission tower 2 D code information by scan mode, and the satellite-signal being received GNSS 9 and satellite-based augmentation system (SBAS) 10 by built-in GNSS receiver module carries out Differential positioning; Patrol and examine handheld terminal 3 and carry out bidirectional data communication by wide area network 10 with high-voltage power transmission tower data center 4, through wide area network 10, the 2 D code information of high-voltage power transmission tower, the position of inspection terminal and night watching record are sent to data center; Described data center 4 analyzes the information received, store and management, and combine with the ultra-high-tension power transmission line GIS information that data center server stores, classifiction statistics and the night watching record queries of ultra-high-tension power transmission line and shaft tower is provided for comprising the user terminal 11 of patrolling and examining handheld terminal.
Patrolling and examining handheld terminal 3 can be any one in the smart machines such as special purpose intelligent terminal 5, panel computer 6, smart mobile phone 7.Described user terminal 11 is that limited smart mobile phone 12, PC (PC) 13, panel computer 14 etc. possesses inquiry and the equipment of web browsing function, patrols and examines the one that handheld terminal 3 also can be thought in limited users terminal device 11.
Technical scheme of the present invention needs to consider tower two-dimension code nameplate 2, patrol and examine handheld terminal 3 and data center server 4, data message reciprocal process and mutual content between this three method, apparatus.
As shown in Figure 2, information interactive process is three party as follows:
(1) the tower two-dimension code nameplate 2 described in and patrol and examine between handheld terminal 3:
Patrol and examine handheld terminal 3 by special high-voltage power transmission tower night watching application software (i.e. terminal APP), scanning tower two-dimension code nameplate 2, reads 2 D code information and is decrypted, obtaining shaft tower basic parameter information, shaft tower accurate location coordinate;
(2) patrol and examine between handheld terminal 3 and GNSS and SBAS satellite described in:
Described patrols and examines handheld terminal 3 by built-in GNSS receiver module, receives GNSS signal and carries out satellite navigation One-Point Location; At the night watching environment of GNSS signal serious shielding, GNSS receiver module receives the navigator fix signal of GNSS satellite and the differential correction signal of SBAS satellite simultaneously, carries out Static Precise Point Positioning and resolves;
(3) patrol and examine between handheld terminal 3 and data center's (server) 4 described in:
The information such as shaft tower basic parameter information, shaft tower position coordinates, night watching memorandum and patrol officer position carry out encoding and packing by described handheld terminal 3 of patrolling and examining, and are sent to data center by wide area network 10; Contrary, the difference of described data center (server) 4 patrol officer, issues patrol task.Meanwhile, according to the described inquiry request of patrolling and examining handheld terminal 3 submission, what return current shaft tower patrols and examines result or the information such as historical record, shaft tower maintenance record, instruction, alarm, help or prompting.
The present invention can be divided into according to basic function: night watching, information inquiry, management and process four aspects, realize the detailed operation flow process of these four basic functions as shown in Figure 3.
(1) night watching:
Patrol officer uses the terminal APP software login system of inspection terminal 3, after getting patrol task, starts the work of patrolling and examining;
Use the Quick Response Code scan function of inspection terminal 3, scanning tower two-dimension code 2;
Read the information of tower two-dimension code 2 and decode, obtaining shaft tower essential information and accurate location coordinate;
While scanning tower two-dimension code 2, inspection terminal 3 reads the positioning result of GNSS receiver module, obtains position and the current time of inspector;
Inspector patrols and examines memorandum by inspection terminal 3 typing ultra-high-tension power transmission line and shaft tower;
Inspection terminal 3 by shaft tower essential information, shaft tower accurate location coordinate, patrol and examine the data such as memorandum, inspector position and monitoring time and carry out encoding and packing, send data center 4, complete the patrol task of single shaft tower.
(2) manage:
After patrol officer uses the terminal APP software login system of inspection terminal 3, the personal information of inspector, current position coordinates and time can timing automatic timed sending data centers 4, realize the function such as hard core control and map denotation by data center 4.
(3) inquire about:
Inspector or other authorized users use inspection terminal 3 or user terminal 11, propose inquiry request to data service center 4;
Data center 4, according to input parameters such as inquiry request and shaft tower essential informations, returns the Query Results such as the history patrol record of shaft tower, maintenance record, instruction, alarm, help or prompting
(4) information processing:
Data center 4 receives the information such as night watching data and record, inquiry request, inspector position;
Data center 4 is to receiving decoding data, analysis, process and statistics;
Store and management is carried out to high-voltage power transmission tower and circuit GIS data, night watching data, shaft tower and circuit historical information in data center 4 usage data storehouse;
Data center 4 uses Web server to provide the visual display of the inquiry of historical data display, inspector's run trace map denotation, generation circuit or shaft tower statistical report form, statistics.
As shown in Figure 4, the full name of GNSS is GLONASS (Global Navigation Satellite System) (Global Navigation SatelliteSystem), it makes a general reference all satellite navigation systems, comprise the whole world, region with strengthen, as the GPS of the U.S., Muscovite Glonass, the Galileo in Europe, the Beidou satellite navigation system of China, and relevant enhancing system, as the WAAS (Wide Area Augmentation System) of the U.S., the EGNOS (Europe is Navigation Overlay System geostationary) in Europe and the MSAS (Multi-functional transporting Satellite Augmentation System) etc. of Japan, also be encompassed in other satellite navigation systems of building and will build later.International GNSS system is multisystem, stage construction, a multimodal complicated combined system.
China's Beidou satellite navigation system (BDS) progressively build up and perfect, it has important strategic importance to the support of the substitution effect of GPS in national defense construction, key industries and field and guarantee.The integrated positioning of it and GPS and other GNSS system, will be greatly improved in navigation accuracy, reliability, availability and integrality etc.
Traditional GPS One-Point Location refers to and utilizes the satellite orbit parameter of pseudorange and broadcast ephemeris and satellite clock error correction to position.And the coordinate components precision of this One-Point Location can only reach 10m level, general navigator fix demand only can be met.
And Static Precise Point Positioning first utilizes global some IGS (international GNSS Servers Organization) tracking station's data to calculate precise satellite orbit parameter and satellite clock correction, recycle the satellite orbit parameter of trying to achieve and satellite clock correction, Differential positioning process is carried out to the phase place of separate unit receiver collection and Pseudo-range Observations.The precision grade of navigation level locating module can be brought up to sub-meter grade from tens meters in conjunction with the Static Precise Point Positioning of SBAS (i.e. Space Based Augmentation System, satellite-based augmentation system) by the technical program.
The high precision Static Precise Point Positioning combined based on GNSS/SBAS due to technical scheme of the present invention and the security of Quick Response Code, simple type, the night watching equipment overcoming traditional patrol system falls behind, patrol and examine not in place, undetected or false retrieval situation, by environment, the situation etc. of makeing mistakes is patrolled and examined in the impact of weather.Its GNSS provides accurate night watching position, Quick Response Code replaces traditional night watching point, mobile communications network provides wireless data link, real-time mobilism information multi-media management system is realized by generalized information system, thering is provided convenient, quick, effective, practical information management, is a kind of desirable high-voltage power transmission tower night watching and information management system.
The present invention can be widely used in the patrolling and examining of high-voltage power transmission tower, safeguard and field of information management.

Claims (19)

1., based on a high-voltage power transmission tower patrol system for GNSS and Quick Response Code, it is characterized in that:
Described high-voltage power transmission tower patrol system comprises the tower two-dimension code nameplate be arranged on high-voltage power transmission tower, the high-voltage power transmission tower data center patrolling and examining handheld terminal, be arranged on dispatching center or administrative center of being carried by patrol officer and user terminal;
Handheld terminal of patrolling and examining described in it reads 2 D code information on the tower two-dimension code nameplate of each high-voltage power transmission tower by scan mode, the satellite-signal being received GNSS and satellite-based augmentation system SBAS by built-in global navigation satellite system GNSS receiver module carries out Differential positioning;
Described handheld terminal of patrolling and examining carries out bidirectional data communication by wide area network and high-voltage power transmission tower data center, through wide area network by the 2 D code information of each high-voltage power transmission tower, the position of inspection terminal and night watching record, is sent to described data center;
Described data center analyzes the position of the 2 D code information received, inspection terminal and night watching record, store and management, and combine with the ultra-high-tension power transmission line GIS information that data center server stores, classifiction statistics and the night watching record queries of ultra-high-tension power transmission line and shaft tower is provided for comprising the user terminal of patrolling and examining handheld terminal.
2. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described Quick Response Code nameplate can be installed one or more on high-voltage power transmission tower, under the condition that installation site can be touched patrol officer, avoid directly blocking of shaft tower Adjacent Buildings or trees as far as possible.
3., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that shaft tower information that described Quick Response Code nameplate comprises is through coding and encryption.
4., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 3, it is characterized in that described coding and encryption adopt Caesar's method, the letter of composition information is postponed 3 in order and plays encryption effect.
5., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described handheld terminal of patrolling and examining comprises special purpose intelligent terminal, panel computer or smart mobile phone.
6., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described patrolling and examining handheld terminal with camera head, the scanning of Quick Response Code can be realized; Coordinate software also should realize reading, storing and the function of information decoding; Described handheld terminal of patrolling and examining can interconnection network, carries out data communication, information is sent to data center with described high-voltage power transmission tower data center.
7., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described patrolling and examining the built-in GNSS receiver module of handheld terminal, GNSS signal can be received and carry out single-point satellite navigation location; Described GNSS receiver module can receive satellite-based augmentation system SBAS satellite difference correction signal, and carries out Static Precise Point Positioning in conjunction with other GNSS signal.
8. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described patrolling and examining handheld terminal built-in memory module, there is wireless and wired data transfer interface, wireless data communications can be carried out by connecting wan network.
9., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described handheld terminal of patrolling and examining is provided with high-voltage power transmission tower night watching application software.
10., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 9, it is characterized in that the Core Feature of described high-voltage power transmission tower night watching application software specifically comprises: patrol officer logs in, Quick Response Code scans, 2 D code information reads and decipher, GNSS positioning result reads, patrol task management, with word, the patrolling and examining memorandum, map denotation, information inquiry, patrol and examine data message record of sound or picture format typing, data message packing, coding with send.
11., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 9, is characterized in that the night watching task job step of described high-voltage power transmission tower night watching application software is:
101) high-voltage power transmission tower patrol officer uses account and code entry;
102) patrol task management function is used, passive or to be got to data center by active inquiry and patrol and examine task;
103) scan tower two-dimension code nameplate, 2 D code information read and deciphering, be decrypted according to Caesar's method, by the letter of composition information in order forward 3 play deciphering effect, thus obtain shaft tower basic parameter information, shaft tower accurate location coordinate;
104) memorandum is patrolled and examined in typing, reads GNSS single-point or Differential positioning result, patrols and examines the position of handheld terminal, i.e. the position of patrol officer described in what this positioning result provided is;
105) use Caesar's method to carry out coding encrypting the information such as shaft tower basic parameter information, shaft tower position coordinates, night watching memorandum and patrol officer position, the information of gained is sent to data center by wide area network;
106) by 105) while information described in step sends data center, patrol and examine handheld terminal and also these information can be stored in and patrol and examine in the storage of handheld terminal.
12., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 10, is characterized in that the operation steps of described information inquiry and Presentation Function is:
201) under patrol officer is in Entered state, query interface is used to propose inquiry request to data center;
202) data center returns Query Result, and according to the difference of inquiry request, these results comprise: current shaft tower patrol and examine the extend informations such as historical record, shaft tower maintenance record, instruction, alarm, help or prompting;
203) current location of patrol officer, the position patrolling and examining target shaft tower and path and range information, shown by map label or textual list mode.
13. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, it is characterized in that described data center at least comprises ultra-high-tension power transmission line and shaft tower essential information storage server, night watching information management and Web server and GIS Gopher, the database corresponded at least comprises ultra-high-tension power transmission line and shaft tower basic information database, night watching information management database and GIS information database.
14., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, is characterized in that described user terminal is limited smart mobile phone, PC PC or panel computer;
Described user terminal possesses the equipment of inquiry and web browsing function; Use these equipment to log in described data center Web server by limited account number, inquire and browse the various parameter informations of described ultra-high-tension power transmission line and shaft tower.
15. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 14, it is characterized in that described user terminal does not need to install special application software, use generic web page browser to reach and patrol and examine the similar query function of handheld terminal to described.
16. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 14, is characterized in that described limited smart mobile phone, PC PC or panel computer possess scanning Quick Response Code, the equipment of inquiry and web browsing function.
17. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 14, it is characterized in that described limited account number refers to about inspection management department to log in patrolling and examining staff in a concrete database or givenly to patrol and examine staff's special account number, only can log in described data center Web server the people of this database or the talent that has a special account number, thus realize limited.
18., according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 1, is characterized in that the processing procedure of the satellite-signal of described global navigation satellite system GNSS and satellite-based augmentation system SBAS is:
301) GPS pseudorange and the carrier phase of all satellites in the visual field is gathered at the reference station of known location.
302) all measurements obtained at reference station are sent to main website.
303) main website error of calculation correction vector sum judges system health.
304) Correction of Errors vector sum integrity information is launched into user.
305) user receives integrity warning information, improves navigation accuracy with Correction of Errors number.
19. according to the high-voltage power transmission tower patrol system based on GNSS and Quick Response Code according to claim 7, it is characterized in that described Static Precise Point Positioning is the precise satellite track and satellite clock correction that utilize the GPS observation data of global some ground tracking stations to calculate, the phase place gather Single GPS receiver and Pseudo-range Observations position and resolve;
The operation steps of Static Precise Point Positioning described in it is:
401) precise ephemeris is fitted to polynomial form;
402) multiple international GNSS Servers Organization IGS tracking station GPS observation data and precise ephemeris is utilized to estimate to obtain the satellite clock correction at 30s interval;
403) the track polynomial expression of matching and satellite clock correction is utilized to carry out Static Precise Point Positioning calculating together with subscriber station observation data.
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