CN111709500B - Device and method for rapidly detecting service abnormity of power transmission tower fastener - Google Patents

Device and method for rapidly detecting service abnormity of power transmission tower fastener Download PDF

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Publication number
CN111709500B
CN111709500B CN202010483064.7A CN202010483064A CN111709500B CN 111709500 B CN111709500 B CN 111709500B CN 202010483064 A CN202010483064 A CN 202010483064A CN 111709500 B CN111709500 B CN 111709500B
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CN
China
Prior art keywords
radio frequency
power transmission
clamp
rfid label
protective cover
Prior art date
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Application number
CN202010483064.7A
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Chinese (zh)
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CN111709500A (en
Inventor
齐文艳
李田
傅思伟
陈韶瑜
叶芳
张迅达
管森森
文黎
温力
李庆钊
王璋奇
杨文刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Electric Power Research Institute of State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Electric Power Research Institute of State Grid Tianjin Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd, Electric Power Research Institute of State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202010483064.7A priority Critical patent/CN111709500B/en
Publication of CN111709500A publication Critical patent/CN111709500A/en
Application granted granted Critical
Publication of CN111709500B publication Critical patent/CN111709500B/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07758Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y10/00Economic sectors
    • G16Y10/35Utilities, e.g. electricity, gas or water
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y20/00Information sensed or collected by the things
    • G16Y20/20Information sensed or collected by the things relating to the thing itself
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00IoT characterised by the purpose of the information processing
    • G16Y40/10Detection; Monitoring
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00IoT characterised by the purpose of the information processing
    • G16Y40/40Maintenance of things

Abstract

The invention relates to a device and a method for rapidly detecting service abnormity of a power transmission tower fastener, which comprises an RFID (radio frequency identification) tag and an installation mechanism thereof, a radio frequency signal receiving board, a signal processor, a central processing unit and a maintenance terminal, wherein the RFID tag and the installation mechanism thereof are installed on a bolt cap of the power transmission tower fastener, the REID tag is wirelessly connected with the radio frequency signal receiving board, the radio frequency signal receiving board is connected with the signal processor, the signal processor is connected with the central processing unit, and the central processing unit is connected with the maintenance terminal. Bolt fastening degree can be monitored constantly through the RFID label, the potential safety hazard that the iron tower exists is in time discovered, counter measures are taken in advance, the workload of patrolling and examining measurement is reduced, the monitoring range is expanded, and the operation reliability of a power grid is improved.

Description

Device and method for rapidly detecting service abnormity of power transmission tower fastener
Technical Field
The invention belongs to the field of power transmission line monitoring, relates to power transmission line on-line state monitoring equipment, and particularly relates to a device and a method for rapidly detecting service abnormity of a power transmission tower fastener.
Background
In recent years, more and more people pay attention to daily monitoring of the power transmission iron tower, whether the running state of the power transmission iron tower is well related to the safety of people and objects around the iron tower or not, and the collapse accident of the power transmission iron tower brings serious influence to safe and stable running and power supply of a power system.
The loosening and aging of the bolts of the power transmission iron tower are easy to cause the iron tower to collapse, and the like, so that the iron tower is a great potential threat in the stable operation of important parts of a power transmission line and power transmission and transformation equipment, and if the bolts are seriously loosened and treated in time, the iron tower is likely to collapse once. If the in-service transmission tower has a toppling accident, the transmission tower is damaged, electric facilities around the transmission tower are affected, major equipment defects or power grid accidents are caused, huge loss is caused, the production construction and the living order of people are seriously affected, secondary disasters such as fire disasters can be caused, and serious consequences are caused to the society and the lives and properties of people.
Whether the mode that unmanned aerial vehicle patrolled and examined at present often detects steel pylons bolt and exists unusually, but because it is big to patrol and examine work load, need drop into many unmanned aerial vehicles and patrol and examine, it is lower to the detection accuracy at slight position to unmanned aerial vehicle moreover, unmanned aerial vehicle patrols and examines the cost in addition higher, and the construction degree of difficulty is big.
In the prior art, a pressure sensor is generally adopted to monitor the screw loosening condition of a communication iron tower, and pressure sensing glue is arranged between the iron tower and a bolt to sense the pressure change of the bolt, so that a signal is generated. However, the service environment of the power transmission iron tower is more harsh than that of a communication iron tower, the joint of the iron tower and the bolt is easily corroded, and the potential safety hazard is increased by installing the pressure sensitive adhesive between the iron tower body and the bolt.
Through searching, the following relevant patents are found:
CN107976307B discloses an online monitoring device and a monitoring method for the bolt looseness of a power transmission line iron tower, which discloses an online monitoring device for the bolt looseness of the power transmission line iron tower, and is characterized by comprising a front end monitoring device, a 4G communication module and a monitoring center which are connected in sequence; the front end monitoring device comprises a piezoelectric acceleration sensor, a conditioning circuit and an Xbaepro s2c module which are sequentially connected, the wind speed and direction sensor is connected with an Xbaepro s2c module, and the Xbaepro s2c module is connected with a 4G communication module. The method is characterized in that an iron tower member bar natural frequency matrix obtained by calculation of a monitoring center is compared with a natural frequency matrix which is obtained by modal analysis and does not have bolt looseness, so that the judgment of the bolt looseness of the power transmission steel tower is realized. The patent also discloses an online monitoring method for the looseness of the bolts of the transmission tower, which overcomes the defect of traditional manual line patrol, realizes online monitoring of the looseness of the bolts of the transmission line, and reduces the potential safety hazard of the operation of the tower.
The working principle of the method is that the wind speed and the wind direction of the environment and the vibration frequency of the rod piece are monitored in real time, the natural frequency matrix of the iron tower rod piece based on modal analysis is compared with the natural frequency matrix of actual measurement, and then the loosening condition of the bolt of the iron tower rod piece is reflected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a device and a method for rapidly detecting the service abnormity of a fastening piece of a power transmission tower, which can accurately detect whether the fastening piece on the power transmission tower is loosened and reduce the potential safety hazard.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a quick detection device for service abnormity of a power transmission tower fastener comprises an RFID label and an installation mechanism thereof, a radio frequency signal receiving plate, a signal processor, a central processing unit and a maintenance terminal, wherein the RFID label and the installation mechanism thereof are installed on a bolt cap of the power transmission tower fastener, the RFID label is in wireless connection with the radio frequency signal receiving plate, the radio frequency signal receiving plate is connected with the signal processor, the signal processor is connected with the central processing unit, and the central processing unit is connected with the maintenance terminal.
And, RFID label and installation mechanism includes RFID label, safety cover, anchor clamps, safety cover and anchor clamps are hemisphere type structure, and including the safety cover, anchor clamps are outside, radially evenly fix a plurality of strengthening ribs at intervals between the outer wall of safety cover and the inner wall of anchor clamps, and the bolt cap top surface of steel pylons fastener is arranged in to the safety cover, pastes the RFID label at the inner wall level of safety cover, at the outside suit anchor clamps of safety cover, anchor clamps clamp in the side of bolt cap through the clamp.
Moreover, the lateral wall system of the hemisphere type shell of anchor clamps has the annular groove, and the clamp inlays the dress in the annular groove.
A method for quickly detecting the service abnormality of the fastening part of iron tower features that during the construction and installation of iron tower, the protecting cover with RFID tag is installed to the nut of bolt by special fixture, the RFID tag emits ultrahigh-frequency signal, the RF signal receiving boards installed on ground receive the carrier signal from RFID tag, the signal processor converts the RF signal to analog and digital signals, which are then stored in CPU for data processing, and the maintenance terminal sends out an alarm signal.
The invention has the advantages and positive effects that:
1. according to the invention, the bolt fastening degree can be constantly monitored through the RFID tag, potential safety hazards existing in the iron tower can be timely found, and countermeasures are taken in advance, so that the workload of routing inspection measurement is reduced, the monitoring range is expanded, and the operation reliability of a power grid is improved.
2. The RFID tag is arranged on the power transmission iron tower, connection between the iron tower and the bolt is not affected, influence on the iron tower due to addition of parts is avoided, and safe and normal operation of the iron tower is guaranteed.
3. The invention reduces the work load of routing inspection, saves the routing inspection time of the unmanned aerial vehicle and improves the working efficiency of routing inspection.
4. According to the invention, the protective cover for preventing corrosion is buckled outside the RFID label, so that the service life of the RFID label is prolonged, and meanwhile, the cost is greatly reduced.
5. The invention adopts the fixture to be clamped on the bolt cap, and has simple operation and convenient installation.
6. The RFID tag can monitor bolt loosening and iron tower inclination and settlement.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a front view of the structure of an RFID tag and its mounting mechanism.
Fig. 3 is a top view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A device and a method for rapidly detecting service abnormity of a power transmission tower fastener comprise an RFID label and an installation mechanism thereof, a radio frequency signal receiving board, a signal processor, a central processing unit and a maintenance terminal, wherein the RFID label and the installation mechanism thereof are installed on a bolt cap of the power transmission tower fastener, the REID label is connected with the radio frequency signal receiving board, the radio frequency signal receiving board is connected with the signal processor, the signal processor is connected with the central processing unit, and the central processing unit is connected with the maintenance terminal.
RFID label and installation mechanism includes RFID label 2, safety cover 3, anchor clamps 1, safety cover and anchor clamps are hemisphere type structure, and including the safety cover, anchor clamps are outside, radially even interval between the outer wall of safety cover and the inner wall of anchor clamps adorns a plurality of strengthening ribs 7 admittedly, and the bolt cap 6 top surface of steel pylons fastener is arranged in to the safety cover, pastes the RFID label at the inner wall level of safety cover, at a outside suit anchor clamps of safety cover, and anchor clamps clamp the side at the bolt cap through clamp 4.
The outer side wall of the hemispherical shell of the clamp is provided with an annular groove 5, and the hoop is embedded in the annular groove.
The invention relates to a method for rapidly detecting the service abnormity of a fastener of a power transmission tower, which is implemented by the following scheme:
in the construction and installation process of the power transmission iron tower, a protective cover provided with an RFID label is installed on a nut of a bolt by using a special clamp, the RFID label transmits an ultrahigh frequency signal at the moment, a plurality of radio frequency signal receiving plates installed on the ground receive and receive carrier signals transmitted by the RFID label, a signal processor performs analog-to-digital conversion on the radio frequency signals and stores the radio frequency signals, and simultaneously the radio frequency signals are transmitted to a central processing unit for data processing to form a normal database range of the bolt in a fastening state, coordinates of each bolt in a normal state are defined as (0, 0 and 0), and a coordinate fluctuation range which does not influence normal operation of the iron tower is set at the same time, wherein the embodiment takes +/-2 cm and stores the coordinates in the central processing unit.
In the service process of the iron tower, the RFID tags constantly monitor the fastening degree of bolts, the inclination and the settlement of the iron tower and the like, when the bolts are loosened, the central processing unit processes data and outputs tags positioned by the RFID tags, when the coordinates in any direction exceed +/-2 cm and indicate that the data are not in the range of a normal database, the bolts are abnormal, even the iron tower is inclined in one or more directions, the central processing unit transmits a signal to the maintenance terminal, and the maintenance terminal sends an alarm signal.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept, and these changes and modifications are all within the scope of the present invention.

Claims (3)

1. The utility model provides a quick detection device of steel pylons fastener service anomaly which characterized in that: comprises an RFID label and an installation mechanism thereof, a radio frequency signal receiving board, a signal processor, a central processing unit and a maintenance terminal, wherein the RFID label and the installation mechanism thereof are arranged on a bolt cap of a power transmission iron tower fastener, the REID label is wirelessly connected with the radio frequency signal receiving board, the radio frequency signal receiving board is connected with the signal processor, the signal processor is connected with the central processing unit, the central processing unit is connected with the maintenance terminal, the RFID label and the mounting mechanism thereof comprise an RFID label, a protective cover and a clamp, the protective cover and the clamp are all hemispherical structures, the protective cover is arranged inside the clamp, the clamp is arranged outside the clamp, a plurality of reinforcing ribs are fixedly arranged between the outer wall of the protective cover and the inner wall of the clamp at uniform radial intervals, the protective cover is arranged on the top surface of a bolt cap of a fastener of the power transmission iron tower, the RFID label is horizontally pasted on the inner wall of the protective cover, a clamp is sleeved outside the protective cover, and the clamp is clamped on the side face of the bolt cap through a hoop.
2. The device for rapidly detecting the service abnormality of the fastener of the power transmission tower as claimed in claim 1, wherein: the outer side wall of the hemispherical shell of the clamp is provided with an annular groove, and the hoop is embedded in the annular groove.
3. The detection method of the device for rapidly detecting the service abnormality of the power transmission tower fastener according to claim 1, is characterized in that: in the construction and installation process of a power transmission iron tower, a protective cover provided with an RFID label is installed on a nut of a bolt by using a special fixture, the RFID label transmits an ultrahigh frequency signal, a plurality of radio frequency signal receiving plates installed on the ground receive and receive carrier signals transmitted by the RFID label, a signal processor performs analog-to-digital conversion on the radio frequency signals and stores the radio frequency signals, and simultaneously the radio frequency signals are transmitted to a central processing unit for data processing to form a normal database range of the bolt in a fastening state, and a coordinate fluctuation range which does not influence the normal operation of the iron tower is set.
CN202010483064.7A 2020-06-01 2020-06-01 Device and method for rapidly detecting service abnormity of power transmission tower fastener Active CN111709500B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010483064.7A CN111709500B (en) 2020-06-01 2020-06-01 Device and method for rapidly detecting service abnormity of power transmission tower fastener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010483064.7A CN111709500B (en) 2020-06-01 2020-06-01 Device and method for rapidly detecting service abnormity of power transmission tower fastener

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CN111709500A CN111709500A (en) 2020-09-25
CN111709500B true CN111709500B (en) 2022-05-24

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007114821A (en) * 2005-10-18 2007-05-10 Hitachi Ltd Rfid tag, rfid reader/writer, rfid system, and processing method for rfid system
US20140091931A1 (en) * 2012-09-28 2014-04-03 Hutchison International Ports Enterprises Limited Container Monitoring Device with Cable Lock and Remote Sensor Pods
JP5627719B2 (en) * 2013-01-16 2014-11-19 三菱重工業株式会社 Target holding jig and measuring device
CN103630282A (en) * 2013-11-13 2014-03-12 同济大学 Bolt loosening monitoring method and implementation device thereof
US20160375733A1 (en) * 2014-03-10 2016-12-29 Itire, Llc Smart tag assembly for mounting on an object to be tracked
CN205533657U (en) * 2016-01-29 2016-08-31 武汉中科鑫海科技有限公司 Implant RFID electronic tags's bolt
CN110836684A (en) * 2018-08-16 2020-02-25 中国电力科学研究院有限公司 Bolt intelligence locking monitoring devices

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