CN104331625B - A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods - Google Patents
A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods Download PDFInfo
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- CN104331625B CN104331625B CN201410640341.5A CN201410640341A CN104331625B CN 104331625 B CN104331625 B CN 104331625B CN 201410640341 A CN201410640341 A CN 201410640341A CN 104331625 B CN104331625 B CN 104331625B
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Abstract
A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods, this method include：The entity apparatus that Installed System Memory is primarily based in operation operation mechanism for high voltage switch sets up 1:1 threedimensional model, selects suitable practical set-up to install camera position camera lens air line distance and image distance, carries out the installation of camera according to three-dimensional model structure feature and used camera external structure size, focal length size, tested object；Then corresponding totally-enclosed silhouette markup point is done on the surface of measurand, mark point requirement must be different from in-house background color and shape and single, mark the position of point selection geo-stationary near its object Part；Etc..The present invention realizes breaker complex mechanism 3D modelings defect and gripper path analysis, with directly perceived, the effect remarkable advantage such as substantially.
Description
Technical field
The present invention relates to the state-detection and analysis technical field for breaker and its mechanism body.
Background technology
Breaker plays important as power system important big voltage and high-current switch electrical equipment in system
Effect.Also because it is important in the role of system, breaker safeguards object as emphasis, electric power scientific and technical research this endeavour always
In the status monitoring of the breaker, even early warning reduces or breaks off every power failure caused by breaker unplanned outage, to the greatest extent
It may exempt or mitigate the coverage to total system.Breaker major failure be operating mechanism failure, substantially due to
The characteristic parameter of the operating mechanism of breaker is changed.Thus, deeply understand and research breaker mechanism state change pair
It is significant in the status monitoring of breaker and annex.
At present, for the state-detection research of breaker mechanic property, at home and abroad pertinent literature has been reported that, machinery is special
Property detection method be mainly coil current method, vibratory drilling method, stroke method, but focus primarily upon by on/off switch coil current change sentence
The key parameters such as line-break journey, movement velocity and time, and mechanical oscillation waveform detection motion state, are detected from the variation of parameter
Circuit breaker failure；Wherein on/off switch coil judges there is preferable effect for the acting characteristic of breaker in itself, but for
The operating mechanism critical component such as main shaft of Frequent Troubles is not paid close attention to but；Vibrating rule is obtained by vibrating sensor
Signal and then a kind of method of analysis decision mechanism state that in-house mechanical oscillation and collision are produced；This method is due to existing
Field and mechanism part are more, and peak value is also more, and clutter and interference are mixed in overall waveform, during with mechanism critical component motion
The m- more difficult judgement of peak value and differentiation.Stroke method is mainly arranged on breaker using stroke sensor such as fiber-optic grating sensor
On mechanism kinematic part, by stroke sensor in the mobile acquisition moving component parameters of moving component, this method
Changing mechanism or circuit breaker internal structure are needed, and mechanism case internal structure is more and more compacter, can not place volume
Larger stroke sensor.
Therefore, in the urgent need to the technology for proposing to detect applied to breaker body and its mechanism status, it is possible to directly perceived point
Analyse the means of breaker.In summary analyze, this project proposes the detection of motion state image and 3D weights to breaker mechanism
Structure analysis method.
The content of the invention
It is an object of the invention to solve current breaker mechanism easily to break down, and for mechanism status without fado
The problem of peacekeeping visual inspection, proposes a kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis sides
Method.
The present invention is realized by following technical proposal.
A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods, the present invention are primarily based on
Installed System Memory sets up 1 in the entity apparatus of operation operation mechanism for high voltage switch:1 threedimensional model, according to three-dimensional model structure feature
Suitable real is selected to camera lens air line distance and image distance with used camera external structure size, focal length size, tested object
Camera position is installed by border mechanism, carries out the installation of camera；Then in measurand, the surface such as mechanism driving main shaft is done accordingly
Totally-enclosed silhouette markup point, mark point requirement must be different from in-house background color and shape and single, mark point
Select the position of the geo-stationary near its object Part；Here it is main to use punching and luminous paint using in mechanism surface
Mode, needs the size of accurate measured hole or coating area in advance, and multiple labeling point can improve image position accuracy；Then root
According to full width high-speed camera（Non- windowing, 5000 frames/s, resolution ratio is up to 1280*1024）Lens size design operation mechanism
Primary part observation position, by being continuously shot mechanism critical component motion picture, is converted to voltage signal by coil current and introduces
As synchronous triggering high-speed camera and strong light LED as lighting apparatus, a shape is marked to surrounding mark point region
State opening and closing operation rim detection is extracted, and is matched with preprepared mark point masterplate, and matching degree highest is mark
Point；Mark point central point pixel point coordinates is obtained, this coordinate input operation mechanism threedimensional model is then subjected to corresponding coordinate
Change, it is convenient to carry out movement locus recurrence, moving component movement locus and distance in picture can be read using continuous picture, and
The parameter such as bounce time in part motion process, when to be multiplied by the number of motion picture be motion by the picture frame number time difference
Between, distance divided by the time be mechanism critical component average movement velocity, while according to moving component move distance with open circuit
Device stroke proportional relation, and then calculate travel parameters；Eventually through these key parameter numerical value change decision mechanism motion states
Whether normal condition is in；It is finally that time, distance and speed are inputted in threedimensional model by these kinematic parameters, analyzes due to office
Chain reaction caused by the motion failure of portion's part, dynamically recurs displaying to just passing by mechanism action that time, contributes to
The overall machine performance of integrated model is analyzed, failure cause and displaying analysis directly perceived is searched, understands global.
Below in conjunction with the accompanying drawings and example further illustrates present invention.
Brief description of the drawings
Fig. 1 is analysis method schematic diagram of the present invention.
Embodiment
A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods, the present invention are primarily based on
Installed System Memory sets up 1 in the entity apparatus of operation operation mechanism for high voltage switch:1 threedimensional model, according to three-dimensional model structure feature
Suitable real is selected to camera lens air line distance and image distance with used camera external structure size, focal length size, tested object
Camera position is installed by border mechanism, carries out the installation of camera；Then in measurand, the surface such as mechanism driving main shaft is done accordingly
Totally-enclosed silhouette markup point, mark point requirement must be different from in-house background color and shape and single, mark point
Select the position of the geo-stationary near its object Part；Here it is main to use punching and luminous paint using in mechanism surface
Mode, needs the size of accurate measured hole or coating area in advance, and multiple labeling point can improve image position accuracy；Then basis
Full width high-speed camera（Non- windowing, 5000 frames/s, resolution ratio is up to 1280*1024）Lens size design operation mechanism weight
Point look-out station, by being continuously shot mechanism critical component motion picture, is converted to voltage signal by coil current and introduces work
It is that synchronously, as lighting apparatus, a form is marked to surrounding mark point region in triggering high-speed camera and strong light LED
Opening and closing operation rim detection is extracted, and is matched with preprepared mark point masterplate, matching degree highest is mark point；
Mark point central point pixel point coordinates is obtained, this coordinate input operation mechanism threedimensional model is then subjected to corresponding coordinate,
It is convenient to carry out movement locus recurrence, it can read moving component movement locus and distance in picture, and portion using continuous picture
The parameter such as bounce time in part motion process, the number as run duration of motion picture is multiplied by by the picture frame number time difference,
Distance divided by time are the average movement velocity of mechanism critical component, while according to moving component move distance and breaker row
Journey proportional relation, and then calculate travel parameters；Eventually through these key parameter numerical value change decision mechanism motion states whether
In normal condition；It is finally that time, distance and speed are inputted in threedimensional model by these kinematic parameters, analyzes due to local portion
Chain reaction caused by the motion failure of part, dynamically recurs displaying to just passing by mechanism action that time, contributes to analysis
Integrated model entirety machine performance, searches failure cause and displaying analysis directly perceived, understands global.
As shown in Figure 1 Visual retrieval and 3D dynamically analysis schematic diagram are moved for breaker mechanism.The figure is mainly first
First set up and be detected the 1 of breaker mechanism：1 three-dimensional entity model, is so that last progress three-dimensional display and global analysis establish
Basis, and breaker mechanism action track can not repeat every time, each intelligent behaviour once, by each one-off rail
Mark and characteristic, which are depicted, to be come, directly perceived to understand mechanism action state；Camera installation site is according to the threedimensional model of foundation, and selection can be with
The position layouted, convenient to shoot key operations sequence, power generation must be gone by so solving breaker testing staff
Live the problem of, can then it will be seen that mechanism structure, be remotely that camera is layouted and laid the foundation.Then selection needs what is observed
Mechanism part, the mark point on part as the coordinate points of shooting image, is then detected that the image of shooting carries out emphasis
Mechanism part field flag point regional morphology rim detection, obtains matching degree highest mark point region, then reads in coordinate
The heart；These coordinate centers are inputted into 3 D stereo mechanism model, then can be accurately by three-dimensional structure model entity coordinatograph
Solve mechanism kinematic displacement, speed etc. and improve reference；Then moving image is read into movement locus, distance, time, speed, stroke
Etc. parameter, contrasted with normal condition parameter interval, whether decision mechanism is in normal condition, is transported eventually through three-dimensional structure
Dynamic overall process carries out failure and action is recurred.
Claims (1)
1. a kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods, it is characterized in that, this method
Including：
（1）The entity apparatus that Installed System Memory is primarily based in operation operation mechanism for high voltage switch sets up 1:1 threedimensional model, according to three
Dimension module design feature and used camera external structure size, focal length size, tested object are to camera lens air line distance and picture
Away from selecting suitable practical set-up to install camera position, the installation of camera is carried out；Then do corresponding complete on the surface of measurand
Closed outline mark point, mark point requirement must be different from in-house background color and shape and single, and mark is clicked
Select the position of the geo-stationary near its object Part；Here using mechanism surface punching and luminous paint by the way of, in advance
The size of accurate measured hole or coating area is needed, multiple labeling point can improve image position accuracy；
（2）Then it is according to full width high-speed camera：Non- windowing, 5000 frames/s, Lens of the resolution ratio up to 1280*1024
Size design operation mechanism primary part observation position, by being continuously shot mechanism critical component motion picture, is turned by coil current
It is changed to voltage signal to introduce as synchronous triggering high-speed camera and strong light LED as lighting apparatus, to surrounding mark point
Region is marked a form opening and closing operation rim detection and extracted, and is matched with preprepared mark point masterplate, matches
It is mark point to spend highest；Mark point central point pixel point coordinates is obtained, it is then that this coordinate input operation mechanism is three-dimensional
Model carries out corresponding coordinate, convenient to carry out movement locus recurrence, reads moving component in picture using continuous picture and moves rail
The parameter of bounce time in mark and distance, and part motion process, that motion picture is multiplied by by the picture frame number time difference
Number is run duration, and distance divided by time are the average movement velocity of mechanism critical component, while being transported according to moving component
Dynamic distance and breaker trip proportional relation, and then calculate travel parameters；Judge eventually through these key parameter numerical value changes
Whether mechanism kinematic state is in normal condition；
（3）It is finally that time, distance and speed are inputted in threedimensional model by these kinematic parameters, analyzes due to the fortune of component home
Chain reaction caused by dynamic failure, dynamically recurs displaying to just passing by mechanism action that time, helps to analyze integrated machine
Structure entirety machine performance, searches failure cause.
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| CN201410640341.5A CN104331625B (en) | 2014-11-13 | 2014-11-13 | A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods |
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| CN201410640341.5A CN104331625B (en) | 2014-11-13 | 2014-11-13 | A kind of electric power operation mechanism for high voltage switch condition monitoring and 3D restructuring analysis methods |
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| CN104331625B true CN104331625B (en) | 2017-10-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105549505A (en) * | 2015-12-15 | 2016-05-04 | 中国西电电气股份有限公司 | Virtual system and method based on intelligent high-voltage switch |
| CN107064786B (en) * | 2016-12-29 | 2019-10-25 | 西安工程大学 | A kind of 10kV breaker spring monitoring method |
Citations (3)
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| JP3593027B2 (en) * | 2000-12-14 | 2004-11-24 | 三菱電機株式会社 | High voltage switch circuit failure detection device |
| CN103823180A (en) * | 2014-02-27 | 2014-05-28 | 国家电网公司 | Method for diagnosing mechanical faults of distribution switch |
| CN103884939A (en) * | 2014-03-26 | 2014-06-25 | 华北电力大学 | Electric power circuit laser radar scanning data application analysis system based on PMS |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103198492A (en) * | 2013-03-28 | 2013-07-10 | 沈阳航空航天大学 | Human motion capture method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3593027B2 (en) * | 2000-12-14 | 2004-11-24 | 三菱電機株式会社 | High voltage switch circuit failure detection device |
| CN103823180A (en) * | 2014-02-27 | 2014-05-28 | 国家电网公司 | Method for diagnosing mechanical faults of distribution switch |
| CN103884939A (en) * | 2014-03-26 | 2014-06-25 | 华北电力大学 | Electric power circuit laser radar scanning data application analysis system based on PMS |
Non-Patent Citations (2)
| Title |
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| 《基于图像测量技术的高压开关机械特性测试方法研究》;赵晨光;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20100315(第3期);第3-4页第1.3节，第9-13页第2.3.1-2.3.2小节，第46页第6.1节 * |
| 《相机标定与三维重建技术研究》;李云翔;《中国优秀硕士学位论文全文数据库 信息科技辑》;20091015(第10期);第19页第3.2.3小节，第39页第4.3.2小节，第52页第5.1节 * |
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