CN109765461A - Transmission line of electricity monitoring system and method based on temperature monitoring - Google Patents

Transmission line of electricity monitoring system and method based on temperature monitoring Download PDF

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Publication number
CN109765461A
CN109765461A CN201910129790.6A CN201910129790A CN109765461A CN 109765461 A CN109765461 A CN 109765461A CN 201910129790 A CN201910129790 A CN 201910129790A CN 109765461 A CN109765461 A CN 109765461A
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China
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cable
subelement
transmission line
electricity
robot
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CN201910129790.6A
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Inventor
刘杰
王东阳
许士芹
江安圣
杨晓龙
许丽霞
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State Grid Corp of China SGCC
Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN201910129790.6A priority Critical patent/CN109765461A/en
Publication of CN109765461A publication Critical patent/CN109765461A/en
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Abstract

The transmission line of electricity monitoring system and method based on temperature monitoring that the invention discloses a kind of, comprising: routing inspection unit and controller, the routing inspection unit include intelligent inspection robot, and the intelligent inspection robot is run along inspection track;The inspection track is arranged along the direction parallel with transmission line of electricity;The intelligent inspection robot is equipped with Image Acquisition subelement, cable breakdown detection sub-unit, line discharge detection sub-unit, infrared measurement of temperature subelement and GPS positioning subelement;The invention has the advantages that: can automatic monitoring circuit temperature without line attendant to live manpower and material resources are greatly saved.

Description

Transmission line of electricity monitoring system and method based on temperature monitoring
Technical field
The invention belongs to electric power network technique field more particularly to a kind of transmission line of electricity monitoring systems and side based on temperature monitoring Method.
Background technique
With the development of the city, the safe operation of electronic equipment is ultra-large transmission & distribution power station and power transmission network safety guarantee Important link is easy to happen the loosening of connector, line insulation aging with the growth of power transmission network runing time, and shelf depreciation is let out The a series of problems such as leakage, when occurrence injury, most apparent initial stage performance is exactly temperature rising, meanwhile, the distribution of power transmission network Extensively, manual patrol should not be carried out, is difficult to be detected in real time, forms early warning before harm occurs.And high-voltage alternating is defeated Electric line is that power transmission network is most common and therefore most important component part carries out temperature in real time to HVAC power transmission line Degree detection, can with maximum magnitude check the accident risk in power transmission network, have in the actual motion of power transmission network particularly significant Meaning.
Due to being subjected to electromechanical load for a long time, expose to the sun and rain, cold and hot variation the effects of, so that high-voltage line temperature is changed, must It must take measures to prevent the generation of accident, this just needs the continuous line walking inspection of line attendant, leads to line walking heavy workload, and be mostly open country Outer operation, very arduous, human cost is also very high, and artificial detection has also been easy dead angle, causes security risk.
Summary of the invention
To solve the above-mentioned problems, the transmission line of electricity monitoring system and side that the invention proposes a kind of based on temperature monitoring Method can directly remind neighbouring people note that being equipped with communication unit simultaneously when temperature is abnormal, warning message is notified to examine Measured center, staff can check the accident of transmission line of electricity in time, handle problem.
To achieve the goals above, the present invention adopts the following technical scheme:
Transmission line of electricity monitoring system disclosed in one or more embodiments based on temperature monitoring, comprising: inspection Unit and controller, the routing inspection unit include intelligent inspection robot, and the intelligent inspection robot is run along inspection track; The inspection track is arranged along the direction parallel with transmission line of electricity;It is single that the intelligent inspection robot is equipped with Image Acquisition Member, cable breakdown detection sub-unit, line discharge detection sub-unit, infrared measurement of temperature subelement and GPS positioning subelement;Wherein, Image Acquisition subelement is used to obtain the image information of inspection transmission line of electricity, and infrared measurement of temperature subelement passes through measurement transmission line of electricity hair The infrared intensity penetrated calculates the surface temperature of transmission line of electricity and is uploaded to controller automatically, cable breakdown detection sub-unit Cable damage journey is calculated automatically including leakage current detector and insulation resistance detector, and according to cable surface Temperature Distribution Degree;Line discharge detection sub-unit includes: to be vibrated back by the LCR that DC power supply, control switch, inductance and cable to be measured form Road;Inspecting robot real time position is automatically uploaded to network cloud by GPS positioning system.
Further, the cable breakdown detection sub-unit calculates cable damage journey according to cable surface Temperature Distribution automatically Degree, specifically:
Establish the mathematical model of cable damage section and its Temperature Distribution;
Assuming that the cable resistance value of cable damage section, calculates cable according to the resistance value of hypothesis and above-mentioned mathematical model The Temperature Distribution on surface;
The cable surface temperature that the Temperature Distribution for the cable surface being calculated and the measurement of infrared measurement of temperature subelement are obtained It is compared;
Amendment assume cable damage section cable resistance value, obtain so that the Temperature Distribution for the cable surface being calculated with The cable resistance value of the immediate cable damage section of the cable surface temperature that infrared measurement of temperature subelement measurement obtains;
Cable damage degree is determined according to the resistance value.
Further, described image acquisition subelement includes: LED illumination lamp, CCD camera, height sensor, angle sensor Device and image procossing subelement;The LED illumination lamp setting is used to provide near CCD camera illumination, the height sensor Acquire the shooting height and angle information of CCD camera respectively with angular transducer;CCD camera is controlled according to the shooting height of setting Image Acquisition is carried out to cable with angle, by the image of acquisition in advance according to the normal of identical shooting height and angle shot Cable image is compared, and judges cable with the presence or absence of defect.
Further, the cable discharge examination subelement detects the transmission line of electricity being in an off state;Control Device controls crusing robot and reaches specified detection position, cable discharge examination subelement and to be measured section of connection, wherein opens Pass, inductance and deenergizing circuit form LCR oscillation circuit, and when switching disconnection, power-off cable charges, when closing the switch, power-off Cable electric discharge;If detecting that LCR oscillation circuit has impulse waveform, illustrating measurement circuit, there are partial discharge phenomenon, intelligence Crusing robot sends alarm signal to controller, and controller control alarm module is alerted;Otherwise, intelligent inspection robot The intact signal of measurement circuit is sent to controller.
Further, the intelligent inspection robot is hung on inspection track, and can be under the driving of driving motor It is run along inspection track;The driving electrodes are controlled by the controller, and realize the transmission line of electricity of intelligent inspection robot timing, fixed point Inspection.
Further, the intelligent inspection robot is carried out certainly by the way that the charging unit of inspection track setting position is arranged in Main charging;The charging unit includes: AC power source, AC/DC conversion equipment and direct current output positive and negative terminals;The direct current output Positive and negative terminals are separately positioned on inspection track, and when intelligent inspection robot needs to charge, control intelligent inspection robot is sailed Enter at direct current output positive and negative terminals position, the charging terminal of intelligent inspection robot is stretched out and is connect with direct current output positive and negative terminals Touching, at this point, the charge switch closure of control intelligent inspection robot, starts to charge;After charging complete, charge switch is disconnected, is received Recharge electric terminal.
Further, shell is blocked in the intelligent inspection robot setting, and the shell that blocks includes conical shell, described Conical shell lower part is equipped with hollow rectangular housing, and the intelligent inspection robot is arranged inside rectangular housing, the conical shell The carriage cooperated with inspection track is equipped at the top of body;The conical shell outer surface be equipped with solar panel, it is described too Positive energy solar panel is the battery charging being arranged in inside intelligent inspection robot.
Further, the shell outer layer that blocks is corrosion-resistant coating, and internal layer is waterproof layer.
A kind of transmission line of electricity monitoring method based on temperature monitoring disclosed in one or more embodiments, comprising:
Intelligent inspection robot is run along inspection track, and Image Acquisition subelement controls CCD camera according to the bat of setting It takes the photograph height and angle and Image Acquisition is carried out to cable, by the image of acquisition and in advance according to identical shooting height and angle shot Normal cable image be compared, judge that judging result with the presence or absence of defect, and is sent to controller by cable;
Cable breakdown detection sub-unit calculates cable damage degree according to cable surface Temperature Distribution automatically, and judgement is tied Fruit is sent to controller;If damaged degree is more than given threshold, controller issues alarm signal;
When detecting to cable, controller controlling cable route first disconnects cable discharge examination subelement, then It controls crusing robot and reaches specified detection position, cable discharge examination subelement is connect with to be measured section of cable, wherein switch, Inductance and power-off cable form LCR oscillation circuit, and when switching disconnection, power-off cable charging powers off cable when closing the switch Electric discharge;If detecting that LCR oscillation circuit has impulse waveform, illustrate that there are partial discharge phenomenon, intelligent patrol detections for test cable Robot sends alarm signal to controller, and controller control alarm module is alerted;Otherwise, intelligent inspection robot is to control Device processed sends the intact signal of test cable.
Compared with prior art, the beneficial effects of the present invention are:
Can automatic monitoring circuit temperature without line attendant to live manpower and material resources are greatly saved.
Artificial progress line inspection is replaced by inspecting robot, the achievable comprehensive tour to route improves tour Efficiency and the workload for reducing staff;And hidden danger defect can be found and record in time, avoid the feelings such as line impairment Condition leads to the accidents such as power failure.
Monitoring data can notify in time operation maintenance personnel by cloud or remote control terminal, guarantee that line fault can Timely and effectively safeguard.
Cable breakdown, cable ground connection and cable arcing fault can be detected in time, security system road operational safety.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is transmission line of electricity monitoring system schematic diagram of the embodiment of the present invention one based on temperature monitoring.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Embodiment one
A kind of transmission line of electricity monitoring system based on temperature monitoring is disclosed in one or more embodiments, comprising: Routing inspection unit and controller, routing inspection unit include intelligent inspection robot, and intelligent inspection robot is run along inspection track;Inspection Track is arranged along the direction parallel with transmission line of electricity;Intelligent inspection robot is equipped with Image Acquisition subelement, cable breakdown is examined Survey subelement, line discharge detection sub-unit, infrared measurement of temperature subelement and GPS positioning subelement;Wherein, Image Acquisition subelement For obtaining the image information of inspection transmission line of electricity, infrared measurement of temperature subelement is strong by the infra-red radiation of measurement transmission line of electricity transmitting Degree calculates the surface temperature of transmission line of electricity and is uploaded to controller automatically, and cable breakdown detection sub-unit includes leakage current inspection Device and insulation resistance detector are surveyed, and cable damage degree is calculated according to cable surface Temperature Distribution automatically;Line discharge inspection Surveying subelement includes: the LCR oscillation circuit being made of DC power supply, control switch, inductance and cable to be measured;GPS positioning system Inspecting robot real time position is automatically uploaded to network cloud.Controller receives the data that intelligent inspection robot uploads, and Realtime Alerts are carried out according to testing result.
The mode of data transmission can use wired or wireless data communication mode, use in present embodiment current Using more extensive RS485 communication mode.
Alarm can use sound-light alarm mode, and show type of alarm by display;Controller detects that route is sent out When raw failure, alarm signal is issued.
Routing inspection unit includes: intelligent inspection robot, and intelligent inspection robot is run along inspection track;Inspection track along It is arranged with the direction of line parallel;Intelligent inspection robot is hung on inspection track, and can be under the driving of driving motor It is run along inspection track;Driving electrodes are controlled by the controller, and location point is determined in the timing of controller control driving motor driving robot Inspection is carried out, realizes intelligent inspection robot timing, the cable inspection of fixed point.
Since intelligent inspection robot hanging cupboard is on inspection track, it is autonomous that conventional charging pile is unable to satisfy crusing robot The demand of charging, therefore, design intelligent inspection robot are carried out certainly by the way that the charging unit of inspection track setting position is arranged in Main charging;Charging unit includes: AC power source, AC/DC conversion equipment and direct current output positive and negative terminals;Direct current output positive and negative terminals It is separately positioned on inspection track, when intelligent inspection robot needs to charge, it is defeated that control intelligent inspection robot drives into direct current Out at positive and negative terminals position, the charging terminal of intelligent inspection robot is stretched out and is contacted with direct current output positive and negative terminals, at this point, The charge switch closure for controlling intelligent inspection robot, starts to charge;After charging complete, charge switch is disconnected, withdraws charging end Son.The stretching structure of charging terminal is using conventional telescope motor driving.
Intelligent inspection robot is equipped with Image Acquisition subelement, cable breakdown detection sub-unit, line discharge detection Unit, infrared measurement of temperature subelement and GPS positioning subelement.
Wherein, Image Acquisition subelement is used to obtain the image information of inspection cable, and Image Acquisition subelement includes: LED Headlamp, CCD camera, height sensor, angular transducer and image procossing subelement;LED illumination lamp setting is attached in CCD camera It is close to be used to provide illumination, to guarantee to obtain the clarity of image;Height sensor and angular transducer acquire CCD camera respectively Shooting height and angle information;In advance control CCD camera according to setting optimal shooting height and angle to regular link into Row Image Acquisition guarantees that collected picture effect is best;Then inspection route is carried out with identical shooting height and angle Image Acquisition, in this way, the height and angle that shoot twice are all identical, therefore the angle of the circuit image taken is also phase With;The image of acquisition is compared with the regular link image shot in advance, that is, can determine whether route with the presence or absence of defect.
Infrared measurement of temperature subelement by measurement route transmitting infrared intensity calculate route surface temperature and from It is dynamic to be uploaded to controller;Line temperature information is sent to cloud or remote monitoring terminal by controller;If route position Temperature be more than given threshold, alarm module issue alarm signal, meanwhile, notified in time by cloud or remote monitoring terminal Operation maintenance personnel.
Cable breakdown detection sub-unit includes leakage current detector and insulation resistance detector, is detected by leakage current Device and insulation resistance detector detection cable leakage current and insulation resistance, to judge whether cable has breakage;Also, according to cable Surface temperature distribution calculates cable damage degree automatically, implements process are as follows:
Establish the mathematical model of cable damage section and its Temperature Distribution;
When cable breakdown, it is assumed that damaged segment length is 2L, for damaged cable segment, cable heat transfer equation are as follows:
Q=I2RΔx-2πrα(Tio-Tf)
Wherein, TiFor the temperature of cable core, TioFor cable surface temperature, k, ScThe respectively thermal coefficient of cable core and section Product, α are cable surface natural heat-exchange coefficient, and r is cable cross-sections maximum radius;I is the electric current that a conducting wire flows through, and R is highest The AC resistance of operating temperature lower conductor unit length, R=R ' (1+Ys+Yp), R ' is the conductor direct current under maximum operating temperature Resistance, YsFor kelvin effect factor, YpFor kindred effect factor.
I, i+1, i-1 respectively represent the location point on cable, and Δ x is the spacing of adjacent two positions point, and Q is cable breakdown section Heat.
According to heat conduction equation,
Wherein, RT1For a unit length thermal resistance between conductor and metallic sheath;RT2The liner layer between metallic sheath and armouring Unit length thermal resistance;RT3For cable outer jacket unit length thermal resistance.
Assuming that the cable resistance value of cable damage section, calculates cable according to the resistance value of hypothesis and above-mentioned mathematical model The Temperature Distribution on surface;
The cable surface temperature that the Temperature Distribution for the cable surface being calculated and the measurement of infrared measurement of temperature subelement are obtained It is compared;
Amendment assume cable damage section cable resistance value, obtain so that the Temperature Distribution for the cable surface being calculated with The cable resistance value of the immediate cable damage section of the cable surface temperature that infrared measurement of temperature subelement measurement obtains;
The radical of cable damage is determined according to the resistance value.
Line discharge detection sub-unit includes: the LCR vibration being made of DC power supply, control switch, inductance and route to be measured Swing circuit;Line discharge detection sub-unit needs route to be in off-position when detecting to route;Controller is controlled first Route processed disconnects, and then controls crusing robot and reaches specified detection position, line discharge detection sub-unit and to be measured section of route Connection, wherein switch, inductance and deenergizing circuit form LCR oscillation circuit, and when switching disconnection, deenergizing circuit charging is being switched When closure, deenergizing circuit electric discharge;If detecting that LCR oscillation circuit has impulse waveform, illustrate that measurement circuit is put in the presence of part Electrical phenomena, intelligent inspection robot send alarm signal to controller, and controller control alarm module is alerted;Otherwise, intelligence It can the crusing robot signal intact to controller transmission measurement circuit.
Inspecting robot real time position is automatically uploaded to network cloud by GPS positioning system;To inspection place on line into Row positioning.
Destruction in order to avoid crusing robot by sleet environment is blocked shell for intelligent inspection robot setting, is hidden Block shell body includes conical shell, and conical shell lower part is equipped with hollow rectangular housing, and rectangular housing is arranged in intelligent inspection robot Inside, conical shell top are equipped with the carriage cooperated with inspection track;Conical shell outer surface is equipped with solar panel, Solar panel is the battery charging being arranged in inside intelligent inspection robot.
Blocking shell is double-layer structure, and outer layer is corrosion-resistant coating, and internal layer is waterproof layer.It can prevent external environment and dirt Contaminate object erosion, and can waterproof, greatly extend the service life of equipment.
Embodiment two
A kind of transmission line of electricity monitoring method based on temperature monitoring is disclosed in one or more embodiments, comprising: Intelligent inspection robot along inspection track run, Image Acquisition subelement control CCD camera according to setting shooting height and Angle carries out Image Acquisition to cable, by the image of acquisition and in advance according to the normal line of identical shooting height and angle shot Cable image is compared, and judges that cable whether there is defect, and judging result is sent to controller;
Cable breakdown detection sub-unit calculates cable damage degree according to cable surface Temperature Distribution automatically, and judgement is tied Fruit is sent to controller;If damaged degree is more than given threshold, controller issues alarm signal;
When detecting to cable, controller controlling cable route first disconnects cable discharge examination subelement, then It controls crusing robot and reaches specified detection position, cable discharge examination subelement is connect with to be measured section of cable, wherein switch, Inductance and power-off cable form LCR oscillation circuit, and when switching disconnection, power-off cable charging powers off cable when closing the switch Electric discharge;If detecting that LCR oscillation circuit has impulse waveform, illustrate that there are partial discharge phenomenon, intelligent patrol detections for test cable Robot sends alarm signal to controller, and controller control alarm module is alerted;Otherwise, intelligent inspection robot is to control Device processed sends the intact signal of test cable.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (9)

1. the transmission line of electricity monitoring system based on temperature monitoring characterized by comprising routing inspection unit and controller, it is described to patrol Examining unit includes intelligent inspection robot, and the intelligent inspection robot is run along inspection track;The inspection track along with it is defeated The parallel direction setting of electric line;It is single that the intelligent inspection robot is equipped with Image Acquisition subelement, cable breakdown detection Member, line discharge detection sub-unit, infrared measurement of temperature subelement and GPS positioning subelement;Wherein, Image Acquisition subelement is for obtaining The image information of inspection transmission line of electricity is taken, infrared measurement of temperature subelement is calculated by the infrared intensity of measurement transmission line of electricity transmitting The surface temperature of transmission line of electricity and be uploaded to controller automatically out, cable breakdown detection sub-unit include leakage current detector and Insulation resistance detector, and cable damage degree is calculated according to cable surface Temperature Distribution automatically;Line discharge detection is single Member includes: the LCR oscillation circuit being made of DC power supply, control switch, inductance and cable to be measured;GPS positioning system will make an inspection tour Robot real time position is automatically uploaded to network cloud.
2. a kind of transmission line of electricity monitoring system based on temperature monitoring as described in claim 1, which is characterized in that the cable Damage testing subelement calculates cable damage degree according to cable surface Temperature Distribution automatically, specifically:
Establish the mathematical model of cable damage section and its Temperature Distribution;
Assuming that the cable resistance value of cable damage section, calculates cable surface according to the resistance value of hypothesis and above-mentioned mathematical model Temperature Distribution;
The cable surface temperature that the Temperature Distribution for the cable surface being calculated and the measurement of infrared measurement of temperature subelement are obtained carries out It compares;
Amendment assume cable damage section cable resistance value, obtain so that the Temperature Distribution for the cable surface being calculated with it is infrared The cable resistance value of the immediate cable damage section of the cable surface temperature that thermometric subelement measurement obtains;
Cable damage degree is determined according to the resistance value.
3. a kind of transmission line of electricity monitoring system based on temperature monitoring as described in claim 1, which is characterized in that described image Acquiring subelement includes: LED illumination lamp, CCD camera, height sensor, angular transducer and image procossing subelement;It is described LED illumination lamp setting is used to provide near CCD camera illumination, and the height sensor and angular transducer acquire CCD respectively The shooting height and angle information of camera;Control CCD camera carries out image to cable according to the shooting height and angle of setting and adopts Collection, by the image of acquisition be compared in advance according to identical shooting height and the normal cable image of angle shot, judgement Cable whether there is defect.
4. a kind of transmission line of electricity monitoring system based on temperature monitoring as described in claim 1, which is characterized in that the cable Discharge examination subelement detects the transmission line of electricity being in an off state;Controller controls crusing robot and reaches specified inspection Location is set, cable discharge examination subelement and to be measured section of connection, wherein switch, inductance and deenergizing circuit form LCR oscillation Circuit, when switching disconnection, power-off cable charging, when closing the switch, power-off cable electric discharge;If detecting that LCR vibrates back There is impulse waveform on road, then illustrates measurement circuit there are partial discharge phenomenon, intelligent inspection robot sends alarm letter to controller Number, controller control alarm module is alerted;Otherwise, intelligent inspection robot sends the intact letter of measurement circuit to controller Number.
5. a kind of transmission line of electricity monitoring system based on temperature monitoring as described in claim 1, which is characterized in that the intelligence Crusing robot is hung on inspection track, and can be run under the driving of driving motor along inspection track;The driving electricity Pole is controlled by the controller, and realizes the polling transmission line of intelligent inspection robot timing, fixed point.
6. a kind of transmission line of electricity monitoring system based on temperature monitoring as claimed in claim 5, which is characterized in that the intelligence Crusing robot passes through the charging unit progress recharging that inspection track setting position is arranged in;The charging unit includes: AC power source, AC/DC conversion equipment and direct current output positive and negative terminals;The direct current output positive and negative terminals are separately positioned on inspection rail On road, when intelligent inspection robot needs to charge, control intelligent inspection robot is driven at direct current output positive and negative terminals position, The charging terminal of intelligent inspection robot is stretched out and is contacted with direct current output positive and negative terminals, at this point, control intelligent inspection machine The charge switch of people is closed, and is started to charge;After charging complete, charge switch is disconnected, withdraws charging terminal.
7. a kind of transmission line of electricity monitoring system based on temperature monitoring as described in claim 1, which is characterized in that the intelligence Shell is blocked in crusing robot setting, and the shell that blocks includes conical shell, and the conical shell lower part is equipped with hollow square Shape shell, the intelligent inspection robot are arranged inside rectangular housing, are equipped at the top of the conical shell and inspection track cooperates Carriage;The conical shell outer surface is equipped with solar panel, and the solar panel is that setting is patrolled intelligently Examine the battery charging of robot interior.
8. a kind of transmission line of electricity monitoring system based on temperature monitoring as described in claim 1, which is characterized in that described to block Shell outer layer is corrosion-resistant coating, and internal layer is waterproof layer.
9. a kind of transmission line of electricity monitoring method based on temperature monitoring characterized by comprising
Intelligent inspection robot is run along inspection track, and it is high according to the shooting of setting that Image Acquisition subelement controls CCD camera Degree and angle to cable carry out Image Acquisition, by the image of acquisition in advance according to identical shooting height and angle shot just Normal cable image is compared, and judges that cable whether there is defect, and judging result is sent to controller;
Cable breakdown detection sub-unit calculates cable damage degree according to cable surface Temperature Distribution automatically, and judging result is sent out It send to controller;If damaged degree is more than given threshold, controller issues alarm signal;
When detecting to cable, controller controlling cable route first disconnects cable discharge examination subelement, then controls Crusing robot reaches specified detection position, and cable discharge examination subelement is connect with to be measured section of cable, wherein switch, inductance LCR oscillation circuit is formed with power-off cable, when switching disconnection, power-off cable charging, when closing the switch, power-off cable is put Electricity;If detecting that LCR oscillation circuit has impulse waveform, illustrate that there are partial discharge phenomenon, Intelligent inspection machines for test cable Device people sends alarm signal to controller, and controller control alarm module is alerted;Otherwise, intelligent inspection robot is to control Device sends the intact signal of test cable.
CN201910129790.6A 2019-02-21 2019-02-21 Transmission line of electricity monitoring system and method based on temperature monitoring Pending CN109765461A (en)

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CN110412420A (en) * 2019-07-30 2019-11-05 中北大学 A kind of compound nondestructive detection device of transmission line of electricity magneto-optic sound based on corona effect
CN110412420B (en) * 2019-07-30 2021-04-16 中北大学 Transmission line magnetism optoacoustic composite nondestructive detection device based on corona effect
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CN113916938A (en) * 2021-09-29 2022-01-11 广东电网有限责任公司广州供电局 Method for detecting defects of conducting wire through infrared based on large current
CN113916938B (en) * 2021-09-29 2024-02-02 广东电网有限责任公司广州供电局 Method for infrared detection of wire defects based on high current
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CN115346284B (en) * 2022-08-18 2023-11-03 杭州集联科技有限公司 Intelligent inspection equipment for urban underground pipe gallery lines and working method of intelligent inspection equipment
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CN115331403A (en) * 2022-10-14 2022-11-11 浙江万胜智能科技股份有限公司 Fault data visualization analysis method and system of power supply line
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Application publication date: 20190517