CN204287392U - For the visual ultrasonic fast inspection device that electric line is maked an inspection tour - Google Patents
For the visual ultrasonic fast inspection device that electric line is maked an inspection tour Download PDFInfo
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- CN204287392U CN204287392U CN201420715440.0U CN201420715440U CN204287392U CN 204287392 U CN204287392 U CN 204287392U CN 201420715440 U CN201420715440 U CN 201420715440U CN 204287392 U CN204287392 U CN 204287392U
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Abstract
The utility model relates to technical field of electric power, particularly relates to a kind of visual ultrasonic fast inspection device maked an inspection tour for electric line, is applicable to the live detection of electric line, is the effective means ensureing power network safety operation.Be connected to form by a coaxial transmission line by the fuselage of main frame and high-resolution camera, special ultrasonic sensor probe; Be provided with pulse producer in fuselage, pulse producer is connected with the view data display screen being located at fuselage afterbody by wire with synchronizing generator; Fuselage bottom is provided with handle, handle is provided with advanced noise attenuating earplug machine transplanting of rice hole; Fuselage is also provided with usb data output port.The work efficiency of tour personnel can be increased substantially, save to record and mate work with photo, reduce labour intensity, save cost of human resources, more intuitively react defective locations; The incidence of prevention and minimizing fault, avoids unnecessary power failure.Application value is high, has good economic benefit and social benefit.
Description
Technical field
The utility model relates to technical field of electric power, particularly relates to a kind of visual ultrasonic fast inspection device maked an inspection tour for electric line, is applicable to the live detection of electric line, is the effective means ensureing power network safety operation.
Background technology
The tour work of electric line is an element task of electric line operation maintenance.Can be found by line inspection and the timely generation eliminating defect and hidden danger, the prevention person and equipment breakdown, thus ensure the reliability service of electric line safety and electric system.
It is infrared principles and by the capable diagnosis of visual inspection shaft tower equipment appearance that the shelf depreciation of conventional electrical distribution circuit patrols and examines the method usually adopted, infrared analysis more biases toward compared to other Partial Discharge Detection and detects line load state, high load capacity does not represent the generation of shelf depreciation, can not timely and effective discovery catastrophic discontinuityfailure.Other on-line checkingi means, rely on experience and the sense of responsibility of testing staff, for the assessment in overhead line structures defect neither one data, cannot confirm fault level well thus instruct further work.Simultaneously, the working method of what conventional electrical distribution line inspection generally adopted is manual patrol, hand-made paper medium recording, but developing rapidly along with electrical network in recent years, the quantity of power equipment sharply increases, prophylactic repair and operation maintenance work increase severely, and the problem of transporting inspection personnel in short supply becomes increasingly conspicuous.China implemented prophylactic repair to equipment for power transmission and distribution in the past, and this method of depositing exists following shortcoming:
(1) maintenance is lacked scientific.Under the principle of " expire required, it is required good to repair ", may blindness be there is in the operation, maintenance of reality, cause equipment in bad repair or excessively overhaul.
(2) power supply reliability is affected.Because prophylactic repair power off time is longer, frequency of power cut is more, have impact on power supply quality.In addition, because maintenance need increase the number of operations of equipment, the probability increase of personal injury, equipment breakdown occurs relatively, has an impact to power supply reliability, the service theory of the high-quality that obvious above-mentioned situation and Guo Wang company propose, safety is not inconsistent.
(3) detection technique means fall behind.At present in the process of patrolling and examining, patrol and examine the testing tool that people does not have specialty substantially, substantially to judge by patrol officer's experience, its judgements has limitation, while also not science.
(4) the profound data mining duty to detecting data is lacked.Current detection means and method, can not process all previous detection data, a large amount of detection data left unused, limits the prediction to equipment state and residual life.
In sum, need the means by patrolling and examining constantly to improve and prevent to reach to effective minimizing of electric line fault or stop.
Summary of the invention
Work problem is patrolled and examined in order to solve the electric line existed in prior art, the utility model provides a kind of visual ultrasonic fast inspection device maked an inspection tour for electric line, main according to visual techniques and ultrasonic detection technology, reached by cordless and improve the object that electric line patrols and examines efficiency.
The utility model is for achieving the above object mainly by the following technical solutions:
For the visual ultrasonic fast inspection device that electric line is maked an inspection tour, be connected to form by a coaxial transmission line by the fuselage of main frame and high-resolution camera, special ultrasonic sensor probe; Be provided with pulse producer in fuselage, pulse producer is connected with the view data display screen being located at fuselage afterbody by wire with synchronizing generator; Fuselage bottom is provided with handle, handle is provided with advanced noise attenuating earplug machine transplanting of rice hole; Fuselage is also provided with usb data output port.
Fuselage is fuselage of aluminizing.
The utility model has following characteristics:
1. the utility model research ultrasound wave of inferior insulator and the relation of insulation resistance.
By carrying out withstand voltage test and Ultrasonic Examination to a large amount of inferior insulator, count related data, the mathematical relation of research ultrasound wave and insulation resistance, pass through computer programming, calculate the corresponding relation of ultrasound wave dB value and insulating resistance value, determine detected value and assay value relation and assay value and testing result relation.
2. the utility model studies the ability that deteriorated Partial discharge signal distinguished by sound-electric sensor under strong-electromagnetic field environment.
The ultrasonic frequency range produced when determining insulator deterioration, selecting suitable sound---electric transducer, at the scene in testing process, is be in outdoor strong-electromagnetic field environment, solve the interference of external environment impact and electromagnetic field, accurately the acoustic signals of difference different frequency.
3. the contactless live detection analysis platform of the utility model research insulator.
Ultrasound wave noncontact live detection mode is subject to the impact of certain factor in testing process, as factors such as detected temperatures, humidity, detecting distance, set up an analysis platform, these factors are studied, analyze their impacts on testing result, these factors are compensated, makes testing result more accurate.
4. the utility model research high-resolution camera recorded video file and ultrasonic document synchronously store.
Larger video is added audio files and carries out fast storage, the data transmission system of a high speed be built, and wave file is separated, carry out analytical calculation by hosted diagnostic system.
Advantage of the present utility model and beneficial effect are:
Charged remote tour electric line defect can be realized and added the form determination defective locations of sound by real-time video; Cordless can be realized detect defects of insulator and record on-the-spot defect and video file; Can the automatic analysis defects of insulator order of severity form survey report, so that stored record; The work efficiency of tour personnel can be increased substantially, save to record and mate work with photo, reduce labour intensity, save cost of human resources, more intuitively react defective locations; Can realize preventative work, effectively the incidence of prevention and minimizing fault, avoids unnecessary power failure; This preventative work, will change in the past passive working method, and then change working method initiatively into.From direct and indirect economy index, the utility model device is once after successfully promoting, its application value is very high, has good economic benefit and social benefit, meets the requirement of China's power network development.In units of shaft tower, Relational database can be set up, for service work provides scientific basis.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: pulse signal generator 1, coaxial transmission line 2, ultrasonic sensor probe 3, high-resolution camera 4, view data LED display 5, data-out port 6, synchronizing generator 7, advanced noise attenuating earplug machine transplanting of rice hole 8.
Embodiment
The utility model is a kind of visual ultrasonic fast inspection device maked an inspection tour for electric line, as shown in Figure 1, structure being belong to hand-held measurement gun shaped formula, can making by aluminizing.Device is connected to form by a coaxial transmission line 2 by the fuselage of main frame and high-resolution camera 4, special ultrasonic sensor probe 3.When detecting, the defect acoustic signals within the scope of certain frequency is detected by this special ultrasonic sensor, and by the voice signal that this ultrasonic signal conversion can be listened for people's ear, the advanced noise attenuating earplug machine transplanting of rice hole 8 that the handle be provided with by fuselage bottom is installed, enable the office of testing staff to rejected region put acoustic signals identify and be stored in main frame, can also see that intensity indicates on a display screen simultaneously.And by the focal length of adjustment camera 4, high sensitivity sonac 3 is aimed at hidden danger position simultaneously and can carry out the recording of video and fast storage in main frame.
The core component of fuselage is pulse producer 1, when there is shelf depreciation, will produce an instantaneous change in voltage at defect point two ends, now in the loop of measured point, coupling capacitance and detection impedance composition, produces a pulse current.Pulse current can produce a pulse voltage at its two ends through detecting impedance, this pulse voltage carried out gather, amplify, the process such as display, just can produce some fundamental quantities of shelf depreciation, this innings is high-volume connected with the LED view data display screen 5 being located at fuselage afterbody by wire by synchronizing generator 7, and Flaw display is in LED screen.The packet finally obtained, containing the signal of video, audio files and fault location ultrasound intensity instruction, exports in computer by usb data output port 6, is undertaken analyzing, comparison by the analysis software of the installation in computer.
The concrete operation step of this this utility model product when detecting is:
(1) device sends pulse signal by pulse signal generator 1, and is transferred on the probe 3 of special ultrasonic sensor by it by coaxial transmission line 2;
(2) special ultrasound transducer probe 3 receives the acoustic signals of detected material rejected region, by " process of heterodyning ", the acoustic signals detected by 1-5 frequency conversion by the receivable frequency signal of hyperacoustic frequency translation behaviour ear, testing staff is judged by the advanced noise attenuating earplug machine inserted in insert earphone jack 8 acoustic signals received, identifies, sound will convert intensity index map to and be recorded in instrument, be played a game the state of putting analysis by analysis software;
(3) recorded the video of defective locations by high-resolution camera 4, detected defect image and ultrasonic signal data are transferred in view data LED display 5 by synchronizing generator 7 more simultaneously, and can be stored in the main frame of instrument fast;
(4) if the possibility having office to put, then obtained defective data video and audio files are carried out exchanges data by data-out port 6 and computing machine, and carry out corresponding analysis and diagnosis, set up analysis platform simultaneously, judge according to concrete defect situation;
(5) display mode of instrument has real-time video storage, Snipping Tool, peak value to keep and application-specific; The data management Ultratrend DMS TM installed in instrument and spectral analysis UE Spectralyzer program, can facilitate tissue and analyze testing result, the waveform that data management system can record archives can record storage, data management, DAP comprehensively, and has the functions such as any change in review history data, making trend figure and inspection dependence test field.
Specifically when to electric line live detection, testing staff can send the pulse signal of certain frequency by the pulse signal generator 1 of this device inside, and it is transferred on the probe 3 of special ultrasonic sensor by coaxial transmission line 2, sensor probe is by receiving the acoustic signals of rejected region, by a kind of measuring method of interference---process of heterodyning, the frequency signal that hyperacoustic frequency translation behaviour ear can be listened by frequency conversion several times by the acoustic signals within the scope of the certain frequency detected, testing staff is judged the acoustic signals received by the insert earphone inserted in insert earphone jack 8, identify.Can be recorded the video of defective locations by high-resolution camera 4, detected defect image and relevant ultrasonic signal intensity index map are transferred in view data display screen 5 by synchronizing generator 7 again, and can store fast simultaneously.
The defective data obtained carries out exchanges data by data-out port 6 and computing machine, and carries out corresponding analysis and diagnosis, sets up the platform of a software analysis simultaneously, just can carry out judgement research according to concrete defect situation.
Described process of heterodyning, its principle is similar to radio, can convert signal to sound exactly, allows people easily recognize and to understand.And use the advantage of ultrasonic technology to be exactly easy understand, convenience, ultrasound wave is a high-frequency short waves signal, this sound wave is not directly heard by people's ear, and we adopt process of heterodyning, just by frequency conversion several times, by the frequency that hyperacoustic frequency can be heard to people's ear, we can detect these sound completely through ultrasound wave global function detector.
Device described in the utility model also has following characteristics:
A. instrument is small and exquisite is attractive in appearancely easy to carry, touch-button, and giant-screen dot lcd shows, full menu in Chinese operation, convenience simple to operation.
B. connect computer by USB, carry out data upload, process and backup.
C. data hold function is powerful, maximumly stores 500 data.
D. after power-off, the data of having preserved in a device are not lost.
E. can carry out on-the-spot testing on demand to reset.
Claims (2)
1., for the visual ultrasonic fast inspection device that electric line is maked an inspection tour, it is characterized in that:
Be connected to form by a coaxial transmission line (2) by the fuselage of main frame and high-resolution camera (4), special ultrasonic sensor probe (3); Be provided with pulse producer (1) in fuselage, pulse producer (1) is connected with the view data display screen (5) being located at fuselage afterbody by wire with synchronizing generator (7); Fuselage bottom is provided with handle, handle is provided with advanced noise attenuating earplug machine transplanting of rice hole (8); Fuselage is also provided with usb data output port (6).
2. the visual ultrasonic fast inspection device maked an inspection tour for electric line according to claim 1, is characterized in that: fuselage is fuselage of aluminizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715440.0U CN204287392U (en) | 2014-11-25 | 2014-11-25 | For the visual ultrasonic fast inspection device that electric line is maked an inspection tour |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420715440.0U CN204287392U (en) | 2014-11-25 | 2014-11-25 | For the visual ultrasonic fast inspection device that electric line is maked an inspection tour |
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| CN204287392U true CN204287392U (en) | 2015-04-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375068A (en) * | 2014-11-25 | 2015-02-25 | 国家电网公司 | Visual ultrasonic quick inspection device used for power transmission and distribution line patrolling |
| CN109655720A (en) * | 2018-12-18 | 2019-04-19 | 北京三听科技有限公司 | Partial discharge detection method and device based on two-dimensional sensor array |
-
2014
- 2014-11-25 CN CN201420715440.0U patent/CN204287392U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375068A (en) * | 2014-11-25 | 2015-02-25 | 国家电网公司 | Visual ultrasonic quick inspection device used for power transmission and distribution line patrolling |
| CN109655720A (en) * | 2018-12-18 | 2019-04-19 | 北京三听科技有限公司 | Partial discharge detection method and device based on two-dimensional sensor array |
| CN109655720B (en) * | 2018-12-18 | 2020-12-01 | 杭州听测科技有限公司 | Partial discharge detection method and device based on two-dimensional sensor array |
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