CN106352799A - Measuring instrument for power transmission line tower - Google Patents

Measuring instrument for power transmission line tower Download PDF

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Publication number
CN106352799A
CN106352799A CN201610655902.8A CN201610655902A CN106352799A CN 106352799 A CN106352799 A CN 106352799A CN 201610655902 A CN201610655902 A CN 201610655902A CN 106352799 A CN106352799 A CN 106352799A
Authority
CN
China
Prior art keywords
transmission line
power transmission
laser
bearing base
target object
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610655902.8A
Other languages
Chinese (zh)
Inventor
洪行军
李策策
邵辉
何旭岩
杨文飚
何德华
王中华
施宏宇
杨博
蒋兴森
管祥宇
蒋易
陈坚
杜山
叶刚斌
胡肖东
郝维翰
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 Zhejiang Electric Power Co Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610655902.8A priority Critical patent/CN106352799A/en
Publication of CN106352799A publication Critical patent/CN106352799A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/20Drawing from basic elements, e.g. lines or circles
    • G06T11/206Drawing of charts or graphs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10016Video; Image sequence

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention provides a measuring instrument for a power transmission line tower, and belongs to the field of electric power equipment. The measuring instrument comprises an equipment bearing base, a stepping motor is arranged on the equipment bearing base, a laser transmitter is fixed to the edge of the equipment bearing base, and a laser receiving sensor, a camera and a processing circuit are further arranged on the equipment bearing base. When the stepping motor rotates, the camera acquires the video of light spots formed by laser irradiating to a target object and acquires frame images of the light spots in the video, the distance between the power transmission line tower and an ambient target object is determined according to the distance between the power transmission line tower and the target object and angular speed, an ambient environment distance diagram taking the power transmission line tower as a center is drawn according to the distance, the influence of sunlight on the distance can be effectively avoided, and laser ranging accuracy is improved.

Description

Measuring instrument for power transmission line column
Technical field
The invention belongs to field of electrical equipment, particularly to the measuring instrument for power transmission line column.
Background technology
Now, in electric power electric system, in order to ensure the reliability of Research Work of Power Transmission Line, it usually needs to transmission line of electricity Maked an inspection tour.
Because the fast-growth of trees in electric transmission line channel corridor can affect the safe operation of circuit, particularly vegetation cyclopentadienyl Electric discharge flashover that the south of the lower reaches of the Yangtze River of close weather warm, the arboreal growth of in line corridor or both sides and foreign body intrusion cause, ground connection The accident quantity of short circuit is in rising trend.So, during the daily tour of power department it is often necessary to monitoring trees, Building etc. interferes the distance between object and transmission line of electricity to measure.
In the prior art, it is and to be done to transmission line of electricity using the survey tool based on principles such as laser or microwaves mostly Relate to the distance between object to measure, but on sunny daytime, strong daylight can produce shadow to the result of laser ranging Ring.
Content of the invention
In order to solve shortcoming and defect present in prior art, the invention provides being used for improving laser measurement under sunlight The measuring instrument of accuracy.
In order to reach above-mentioned technical purpose, the invention provides for the measuring instrument of power transmission line column, described measuring instrument bag Include the equipment bearing base being provided with supply module, be provided with rotating shaft in the center of equipment bearing base, during rotating shaft is provided with Heart gear, is provided with motor on equipment bearing base, is provided with and is engaged with central gear on the output shaft of motor Travelling gear;
It is fixed with generating laser at the edge of equipment bearing base, equipment bearing base is additionally provided with and Laser emission The laser pick-off sensor of device electrical connection;Equipment bearing base is further fixed on be irradiated to target object for gathering laser The photographic head of the hot spot being formed, and the place electrically connecting with generating laser, laser pick-off sensor, photographic head, motor Reason circuit;
It is provided with the fixing handgrip for being fixed on power transmission line column edge in equipment bearing base bottom, in fixing handgrip Middle part is provided with ball-shaped cloud platform, is provided with the level indicator sensor electrically connecting with process circuit on ball-shaped cloud platform.
Optionally, described equipment bearing base is additionally provided with for power taking on transmission line of electricity and supplies to process circuit The power-supply circuit of electricity.
Optionally, described supply module includes lithium battery power supply, and the drive circuit electrically connecting with lithium cells.
Optionally, it is provided with optical filter in described photographic head.
Optionally, ball-shaped cloud platform is adjusted so that equipment bearing base is in default angle, from level indicator sensing Device obtains the angle value of current device bearing base and horizontal plane;
Process circuit sends enabled instruction to generating laser so that generating laser launches laser, order to target object Laser pick-off sensor obtains the laser from target object reflection, obtains and starts to the time receiving reflection laser from transmitting Difference, determines the distance of power transmission line column and target object in conjunction with the light velocity;
While generating laser is to target object transmitting laser, process circuit sends rotation instruction to motor, Motor is rotated according to the angular velocity data comprising in rotation instruction;
While motor rotates, process circuit obtains laser at photographic head and is irradiated to formation on target object The video of hot spot, obtains the two field picture of hot spot in video, true with the distance of target object and angular velocity in conjunction with power transmission line column Determine the distance value of power transmission line column and surrounding objects object;
According to surrounding centered on power transmission line column for the distance value drafting apart from schematic diagram.
Optionally, obtain the two field picture of hot spot in video, fast with the distance of target object and angle in conjunction with power transmission line column Degree determines the distance value around power transmission line column, comprising:
Press default time interval and extract the two field picture containing hot spot from video;
Extract the pixel value of each pixel in two field picture, determine the luminance weighted meansigma methodss of two field picture, root according to pixel value According to luminance weighted meansigma methodss, binary conversion treatment is carried out to two field picture, get the binaryzation two field picture after process;
Obtain the time tag of binaryzation two field picture, redefine power transmission line column and target object under this time tag Distance, and the accumulative anglec of rotation of motor, based on the distance redefining and rotational angle, obtain in rotary course, defeated The distance of the circuit tower target object of a week.
The technical scheme that the present invention provides has the benefit that
By, while motor rotates, photographic head obtains laser and is irradiated to regarding of the hot spot formed on target object Frequently, and obtain the two field picture of hot spot in video, determine transmission of electricity in conjunction with power transmission line column with the distance of target object and angular velocity Circuit tower and the distance value of surrounding objects object, show according to the surrounding distance that distance value is drawn centered on power transmission line column It is intended to, can effectively avoid daylight to adjust the distance the impact of value, improve the accuracy of laser ranging.
Brief description
In order to be illustrated more clearly that technical scheme, the accompanying drawing of required use in embodiment being described below Be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the measuring instrument provided by the present invention for power transmission line column;
Fig. 2 is the schematic flow sheet one of the measuring instrument using method provided by the present invention for power transmission line column;
Fig. 3 is the schematic flow sheet two of the measuring instrument using method provided by the present invention for power transmission line column.
Specific embodiment
Structure and advantage for making the present invention are clearer, below in conjunction with accompanying drawing, the structure of the present invention are made further Description.
Embodiment one
The invention provides for the measuring instrument of power transmission line column, as shown in figure 1, described measuring instrument includes being provided with power supply The equipment bearing base 2 of module 1, is provided with rotating shaft 21 in the center of equipment bearing base 2, is provided with central gear in rotating shaft 21 22, motor 23 is provided with equipment bearing base 2, the output shaft of motor 23 is provided with and nibbles with central gear 22 The travelling gear 24 closing;
It is fixed with generating laser 3 at the edge of equipment bearing base 2, equipment bearing base 2 is additionally provided with and laser The laser pick-off sensor 4 of emitter 3 electrical connection;Equipment bearing base 2 is further fixed on be irradiated to mesh for gathering laser The photographic head 5 of the hot spot being formed on mark object, and electric with generating laser 3, laser pick-off sensor 4, photographic head 5, stepping The process circuit 6 of machine 23 electrical connection;
It is provided with the fixing handgrip 25 for being fixed on power transmission line column edge in equipment bearing base 2 bottom, grab in fixation The middle part of handss 25 is provided with ball-shaped cloud platform 26, is provided with the level indicator sensor 27 electrically connecting with process circuit 6 on ball-shaped cloud platform 26.
In force, after process circuit 6 sends rotation instruction to motor 23, the output shaft of motor 23 drives Travelling gear 24 rotates, so that equipment bearing base 2 is in stepping electricity under the engagement with central gear 22 for the travelling gear 24 Rotate under the drive of machine 23, thus making the generating laser 3 being fixed on equipment bearing base 2, laser pick-off sensor 4, taking the photograph As the carrying out that a 5 grade equipment can be synchronous rotates.
In addition, enabling equipment bearing base 2 firm by being arranged on the fixing handgrip 25 of equipment bearing base 2 bottom Be fixed on power transmission line column edge.Equipment bearing base 2 can be made to realize the tune of luffing angle by ball-shaped cloud platform 26 simultaneously Save and realize to lock, in addition, in order to the accurate luffing angle obtaining current device bearing base 2, in ball-shaped cloud platform It is additionally provided with level indicator sensor 27, for transmitting current luffing angle to process circuit 6 in the way of the signal of telecommunication on 26.
Based on foregoing description, the specifically used method that this is used for the measuring instrument of power transmission line column is as follows, flow chart such as Fig. 2 institute Show.
101st, ball-shaped cloud platform is adjusted so that equipment bearing base is in default angle, from level indicator sensor Obtain the angle value of current device bearing base and horizontal plane.
102nd, process circuit sends enabled instruction to generating laser so that generating laser swashs to target object transmitting Light, makes laser pick-off sensor obtain laser from target object reflection, obtains and starts to receiving reflection laser from transmitting Time difference, determines the distance of power transmission line column and target object in conjunction with the light velocity.
103rd, while generating laser is to target object transmitting laser, process circuit sends rotation to motor and refers to Order is so that motor is rotated according to the angular velocity data comprising in rotation instruction.
104th, while motor rotates, process circuit obtains laser at photographic head and is irradiated to shape on target object The video of the hot spot becoming, obtains the two field picture of hot spot in video, fast with the distance of target object and angle in conjunction with power transmission line column Degree determines the distance value of power transmission line column and surrounding objects object.
105th, surrounding centered on power transmission line column is drawn apart from schematic diagram according to distance value.
In force, after equipment bearing base 2 rotates a circle under the drive of motor 23, according to the frame figure selected Picture, determines the distance of target object and power transmission line column in every width two field picture, thus being drawn according to multiple distances with transmission line of electricity Surrounding centered on tower is apart from schematic diagram.
Here why first choose two field picture, determine that this moment connects according to laser further according to the corresponding time tag of two field picture Receive the distance between target object and power transmission line column of sensor 4 determination, be that other cross high light in order to prevent such as sunlight etc. The impact to laser pick-off sensor 4 for the line.If in two field picture hot spot substantially it is meant that now laser pick-off sensor 4 receive The impact of other light is less, and the distance value now determining is more accurate.
Optionally, in step 104, obtain the two field picture of hot spot in video, in conjunction with power transmission line column and target object away from From and angular velocity determine distance value around power transmission line column, as shown in Figure 3, comprising:
201st, press default time interval from video and extract the two field picture containing hot spot.
202nd, extract the pixel value of each pixel in two field picture, the luminance weighted average of two field picture is determined according to pixel value Value, according to luminance weighted meansigma methodss, carries out binary conversion treatment to two field picture, gets the binaryzation two field picture after process.
203rd, obtain the time tag of binaryzation two field picture, redefine power transmission line column and object under this time tag The distance of body, and the accumulative anglec of rotation of motor, based on the distance redefining and rotational angle, obtain rotary course In, the distance of the power delivery circuit tower target object of a week.
In force, why set luminance weighted meansigma methodss in step 202., be because in real life in order to anti- Only too strong sunlight produces interference to laser pick-off sensor 4, when therefore extracting the pixel value in two field picture, to bright close to laser The pixel value of degree mates higher weighted value, mates relatively low weighted value to the pixel value away from laser brightness, thus preventing light The erroneous judgement of speckle, and then judgement of adjusting the distance produces impact.
Optionally, described supply module includes lithium battery power supply, and the drive circuit electrically connecting with lithium cells.? The power-supply circuit being additionally provided with for power taking on transmission line of electricity on described equipment bearing base and powering to process circuit.
In force, in order to improve the job stability of this measuring instrument, except being provided with power supply on equipment bearing base 2 Outside module 1, the power-supply circuit that is additionally provided with for power taking on transmission line of electricity and powers to process circuit, so can be in condition Preferentially power taking from transmission line of electricity during permission, by the electricity of lithium battery in supply module 1 cannot power taking from transmission line of electricity when Use.
Optionally, it is provided with optical filter in described photographic head.
In force, in order to get relatively sharp hot spot at step 104, reduce sunlight or other high lights to hot spot The impact of shape, is provided with optical filter in photographic head 5.
The invention provides for the measuring instrument of power transmission line column, including being provided with equipment bearing base, carrying in equipment Pedestal is provided with motor;It is fixed with generating laser at the edge of equipment bearing base, connect in equipment bearing base laser Receive sensor, photographic head, process circuit.By, while motor rotates, photographic head obtains laser and is irradiated to object The video of the hot spot being formed on body, and obtain the two field picture of hot spot in video, in conjunction with the distance of power transmission line column and target object, And angular velocity determines the distance value of power transmission line column and surrounding objects object, according to distance value drafting with power transmission line column being The surrounding of the heart apart from schematic diagram, can effectively avoid daylight to adjust the distance the impact of value, improve the accurate of laser ranging Property.
Each sequence number in above-described embodiment is for illustration only, the elder generation during not representing the assembling of each part or using Order afterwards.
The foregoing is only embodiments of the invention, not in order to limit the present invention, all in the spirit and principles in the present invention Within, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (6)

1. it is used for the measuring instrument of power transmission line column it is characterised in that the equipment that described measuring instrument includes being provided with supply module holds Carry pedestal, be provided with rotating shaft in the center of equipment bearing base, central gear is provided with rotating shaft, upper in equipment bearing base It is provided with motor, the travelling gear being engaged with central gear is provided with the output shaft of motor;
It is fixed with generating laser at the edge of equipment bearing base, equipment bearing base is additionally provided with and generating laser electricity The laser pick-off sensor connecting;Equipment bearing base is further fixed on be irradiated to formation on target object for gathering laser Hot spot photographic head, and electrically connect with generating laser, laser pick-off sensor, photographic head, motor process electricity Road;
It is provided with the fixing handgrip for being fixed on power transmission line column edge in equipment bearing base bottom, at the middle part of fixing handgrip It is provided with ball-shaped cloud platform, the level indicator sensor being electrically connected with process circuit is provided with ball-shaped cloud platform.
2. the measuring instrument for power transmission line column according to claim 1 is it is characterised in that in described equipment bearing base On the power-supply circuit that is additionally provided with for power taking on transmission line of electricity and powers to process circuit.
3. the measuring instrument for power transmission line column according to claim 1 is it is characterised in that described supply module includes lithium Battery supply, and the drive circuit electrically connecting with lithium cells.
4. the measuring instrument for power transmission line column according to claim 1 is it is characterised in that be provided with described photographic head Optical filter.
5. the measuring instrument for power transmission line column according to any one of Claims 1-4 it is characterised in that:
Ball-shaped cloud platform is adjusted so that equipment bearing base is in default angle, obtains from level indicator sensor current Equipment bearing base and the angle value of horizontal plane;
Process circuit sends enabled instruction to generating laser so that generating laser launches laser to target object, makes laser Receive sensor and obtain the laser reflecting from target object, obtain and start to the time difference receiving reflection laser, knot from transmitting Closing light speed determines the distance of power transmission line column and target object;
Generating laser to target object transmitting laser while, process circuit to motor send rotation instruction so that Motor is rotated according to the angular velocity data comprising in rotation instruction;
While motor rotates, process circuit obtains laser at photographic head and is irradiated to the hot spot formed on target object Video, obtain the two field picture of hot spot in video, the distance in conjunction with power transmission line column and target object and angular velocity determine defeated Electric line tower and the distance value of surrounding objects object;
According to surrounding centered on power transmission line column for the distance value drafting apart from schematic diagram.
6. the measuring instrument for power transmission line column according to claim 5 is it is characterised in that obtain the frame of hot spot in video Image, the distance in conjunction with power transmission line column and target object and angular velocity determine the distance value around power transmission line column, bag Include:
Press default time interval and extract the two field picture containing hot spot from video;
Extract the pixel value of each pixel in two field picture, determine the luminance weighted meansigma methodss of two field picture according to pixel value, according to bright Degree weighted mean, carries out binary conversion treatment to two field picture, gets the binaryzation two field picture after process;
Obtain the time tag of binaryzation two field picture, redefine power transmission line column and target object under this time tag away from From, and the accumulative anglec of rotation of motor, based on the distance redefining and rotational angle, obtain in rotary course, transmission of electricity The distance of the circuit tower target object of a week.
CN201610655902.8A 2016-08-10 2016-08-10 Measuring instrument for power transmission line tower Pending CN106352799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610655902.8A CN106352799A (en) 2016-08-10 2016-08-10 Measuring instrument for power transmission line tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610655902.8A CN106352799A (en) 2016-08-10 2016-08-10 Measuring instrument for power transmission line tower

Publications (1)

Publication Number Publication Date
CN106352799A true CN106352799A (en) 2017-01-25

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Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109467009A (en) * 2018-12-30 2019-03-15 上海昂丰矿机科技有限公司 A kind of crane displaying device
CN109470174A (en) * 2018-08-16 2019-03-15 国网浙江桐乡市供电有限公司 It is a kind of for controlling the device and its application method of Cable Bending Radius
CN109708616A (en) * 2018-12-31 2019-05-03 甘文泉 A kind of communication iron tower inclination on-line monitoring and forecasting system and method
CN111689392A (en) * 2020-05-18 2020-09-22 国网河北省电力有限公司晋州市供电分公司 Intelligent force-bearing tool for power transmission line

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CN102636788A (en) * 2012-05-03 2012-08-15 山东卡尔电气股份有限公司 Ranging method and system for tracking laser point
CN103557796A (en) * 2013-11-19 2014-02-05 天津工业大学 Three-dimensional locating system and locating method based on laser ranging and computer vision
CN103940357A (en) * 2014-03-26 2014-07-23 北京卓越经纬测控技术有限公司 Non-contact spatial displacement measurement device
CN104501720A (en) * 2014-12-24 2015-04-08 河海大学常州校区 Non-contact object size and distance image measuring instrument
CN105068082A (en) * 2015-08-19 2015-11-18 胡小波 Laser radar scanning detection method and device

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Publication number Priority date Publication date Assignee Title
US5684531A (en) * 1995-04-10 1997-11-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ranging apparatus and method implementing stereo vision system
CN102636788A (en) * 2012-05-03 2012-08-15 山东卡尔电气股份有限公司 Ranging method and system for tracking laser point
CN103557796A (en) * 2013-11-19 2014-02-05 天津工业大学 Three-dimensional locating system and locating method based on laser ranging and computer vision
CN103940357A (en) * 2014-03-26 2014-07-23 北京卓越经纬测控技术有限公司 Non-contact spatial displacement measurement device
CN104501720A (en) * 2014-12-24 2015-04-08 河海大学常州校区 Non-contact object size and distance image measuring instrument
CN105068082A (en) * 2015-08-19 2015-11-18 胡小波 Laser radar scanning detection method and device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109470174A (en) * 2018-08-16 2019-03-15 国网浙江桐乡市供电有限公司 It is a kind of for controlling the device and its application method of Cable Bending Radius
CN109467009A (en) * 2018-12-30 2019-03-15 上海昂丰矿机科技有限公司 A kind of crane displaying device
CN109708616A (en) * 2018-12-31 2019-05-03 甘文泉 A kind of communication iron tower inclination on-line monitoring and forecasting system and method
CN111689392A (en) * 2020-05-18 2020-09-22 国网河北省电力有限公司晋州市供电分公司 Intelligent force-bearing tool for power transmission line

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Application publication date: 20170125

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