CN105403159B - A kind of detection device for laser arc sag monitor - Google Patents
A kind of detection device for laser arc sag monitor Download PDFInfo
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- CN105403159B CN105403159B CN201510930705.8A CN201510930705A CN105403159B CN 105403159 B CN105403159 B CN 105403159B CN 201510930705 A CN201510930705 A CN 201510930705A CN 105403159 B CN105403159 B CN 105403159B
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The present invention provides a kind of detection devices for laser arc sag monitor, including：Test system and data processor；Test system includes：Canonical measure equipment and light compensate equipment；Canonical measure equipment and light compensation equipment are sequentially arranged in and move horizontally on track；Data processor includes：Data input module, data computation module and inspection result output module；Data processor receives and processes the data of test system input.The structure of the detecting device of the present invention is simple, and high certainty of measurement improves testing efficiency in guarantee test testing requirements.
Description
Technical field
The present invention relates to the status monitoring of transmission line of electricity, in particular to a kind of detection for laser arc sag monitor fills
It sets.
Background technology
On-line monitoring device for transmission line in the condition managing of power grid, prevent and reduce natural disasters and the construction of intelligent grid in obtain
Extensive use, but on-line monitoring device for transmission line development time is shorter, the at present reliability of device generally existing quality
The problems such as, seriously constrain the popularization and application of power transmission state monitoring system.
In order to ensure that the networking quality of device, State Grid Corporation of China establish power transmission and transformation equipment state in Chinese DianKeYuan
Monitoring technology laboratory, drug in some provinces has also begun to the construction of power transmission state monitoring system, but monitors experimental study on-line
It starts late, detectability is insufficient, while the technical specification of on-Line Monitor Device and inspection specification also in continuous revision and are formulated
In the process, such as：When power transmission state monitoring device inspection specification is formulated within 2015, propose in the measurement of sag monitoring device
Limit is revised as 500m；In addition, on-line monitoring brainstrust is thought：Technology based on the directly telemetry such as laser, microwave is arc sag prison
The optimal selection of survey.
Currently, from the point of view of the detection work of the arc sag of wire of power transmission line monitoring device of development, experimental condition can not meet
The examination requirements of arc sag of wire of power transmission line monitoring device, and it is inconvenient, less efficient to detect operation.China is for laser
The instrument testing of ranging class usually all carries out in the wild, but field test place is by factors such as site area, weather environments
Influence lead to detection difficult, measurement result is easy to be influenced by uncontrollable factor.
With the continuous development of technology, the pattern of field detection operation will be substituted by indoor detection pattern, light path folding
Measuring technique can make it possible to detect in the arc sag of wire of power transmission line monitoring device room based on laser ranging.
For above-mentioned existing arc sag of wire of power transmission line monitoring device detection difficult based on laser ranging, experimental condition
The problems such as limitation, proposes a kind of detection device for laser arc sag monitor of the present invention.
Invention content
In order to overcome the drawbacks described above of the prior art, the present invention to propose a kind of detection dress for laser arc sag monitor
It sets, including：Test system and data processor；Test system includes：Standard device and light compensate equipment；
Standard device and light compensation equipment are sequentially arranged in and move horizontally on track；Data processor includes：Data input mould
Block, data computation module and inspection result output module；Data processor receives and processes the data of test system input.
Canonical measure equipment includes：Standard meter and standard meter mounting platform；
Standard meter mounting platform includes upper flat plate, middle plateform, lower tablet and pedestal；Upper flat plate and middle plateform are equipped with cross
Way roller and transversal driving mechanism；Middle plateform and lower tablet are equipped with longitudinal idler wheel and longitudinal driving mechanism；It is lower between tablet and pedestal
Equipped with threaded mandrel and height regulating mechanism.
Light compensates equipment：Proximal end fixed platform, distal end mobile platform, proximal end reflector element, distal end reflector element, light
Reflecting plate, diaphragm, laser signal adjustment unit, laser frequency spectrum analyzer and laser power meter；
Proximal end fixed platform and distal end mobile platform are sequentially arranged in and move horizontally on track.Proximal end fixed platform is equipped with quilt
Checking device mounting platform, laser signal adjustment unit and the first optical adjusting frame, the reflection of the first optical adjusting frame support on the croup are single
Member；Distal end mobile platform is equipped with laser power meter and the second optical adjusting frame, and the reflection of the second optical adjusting frame support on the neck is single
Member.
Include translation stage, pitching turntable, lifting platform and constant temperature control box by checking device mounting platform；It is installed by checking device
In constant temperature control box；Constant temperature control box is fixed on by checking device mounting platform.
Threaded mandrel and height regulating mechanism are equipped between pitching turntable and lifting platform.
Proximal end fixed platform and distal end mobile platform are correspondingly provided with diaphragm；It is set between proximal end fixed platform and distal end mobile platform
There is laser frequency spectrum analyzer；Light reflecting board moves between proximal end fixed platform and distal end mobile platform.
First optical adjusting frame and the second optical adjusting frame are coplanar adjustment mechanism, pitching shaft and beat shaft it is orthogonal
Center.
Proximal end reflector element and the distal end reflector element include 17 groups of plane mirror；Plane mirror and the shifting
Dynamic guide rail is at 45 °；Every group of plane mirror includes angle two speculums in 90 °；Speculum is nanometer mirror.
Standard meter is total powerstation；Laser signal adjustment unit includes photoelectric converter, amplifying circuit and Laser Power Devices；
Laser frequency spectrum analyzer is Bristol high-precision laser spectrum analyzers；Laser power is calculated as THORLABS PM100USB light work(
Rate meter.
Laser signal adjustment unit sets laser frequency, laser phase and laser compensation amount；Laser signal adjustment unit
Amplification factor is program-controlled adjustable.
Data analysis processor utilizes Lab VIEW virtual instrument instrument creation arrays and write table；Data input module base
The input of four layer datas is established in the construction of condition of Lab VIEW：The input of standard device parameter, tested device parameter input, light compensation
Data input and measurement data input；
Numerical computations tool of the data computation module based on Lab VIEW and reading file tool read and calculate data input
Four layers of input data of module storage；Inspection result output module exports testing result.
Compared with the latest prior art, technical solution provided by the invention has the advantages that：
1, the present invention realizes long range measurements path using optical reflection principle, and test site distance is made to be reduced to by 500m
25m；
2, the present invention using laser power meter and laser frequency spectrum analyzer to standard laser signal strength, frequency and phase into
Row detection realizes the weak compensation of laser signal by laser signal adjustment unit, ensure that the accuracy of measurement；
3, the present invention uses speculum of the nanometer mirror as laser signal, monolithic reflectivity to reduce laser up to 99%
The energy loss of signal reflex process, reflected energy is up to 80% or more；.
4, the present invention determines that a line principle realizes the parallel adjustment of light path by 2 points, simplifies adjustment difficulty, improves measurement
Precision；
5, the present invention uses Lab VIEW virtual instrument techniques, realizes that measurement data analyzes computing function, simplifies test
Result treatment flow realizes testing result and exports automatically.
6, test system structure of the invention is simple, and high certainty of measurement is improved in guarantee test testing requirements
Testing efficiency.
Description of the drawings
Fig. 1 is the vertical view of present invention test overall system architecture；
Fig. 2 is the front view of present invention test overall system architecture；
Fig. 3 is the emergent light horizontal adjustment figure of the present invention；
Fig. 4 is the data processor functional block diagram of the present invention；
In figure：1- standard meters, 2- are by checking device, the proximal ends 3- fixed platform, the proximal ends 4- reflector element, 5- light reflections
Plate, 6- diaphragms, the distal ends 7- mobile platform, 8- laser signals adjustment unit, 9- constant temperature control boxes, the installation of 10- standard meters are flat
Platform, the distal ends 11- reflector element, 12- moving guide rails, 13- laser frequency spectrums analyzer, 14- laser power meters, 15- are pacified by checking device
Assembling platform.
Specific implementation mode
The detection device of the present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention is directed to arc sag of wire of power transmission line monitoring device feature and testing requirements based on laser ranging, it is proposed that
A kind of detection device for laser arc sag monitor realizes long range measurements path, by swashing using optical reflection principle
Light signal strength, frequency and phase are detected, and realize the weak compensation of laser signal；By to analysis of measurement errors, finding mistake
Poor source, determines error amount；Measurement and Data Processing are realized by virtual instrument, obtain accurate testing result.
Test system of the present invention as shown in Figure 1 includes：Standard meter (total powerstation) 1 is fixed by checking device 2, proximal end
Platform 3, proximal end reflector element 4, light reflecting board 5, diaphragm 6, distal end mobile platform 7, laser signal adjustment unit 8, thermostatic control
Case 9, standard meter mounting platform 10, distal end reflector element 11, moving guide rail 12, laser frequency spectrum analyzer 13, laser power
Count 14, by checking device mounting platform 15.
Standard meter is mounted on standard meter mounting platform；Tested dress is mounted on by checking device and constant temperature control box
It sets on mounting platform；Proximal end reflector element is mounted on optical adjusting frame, and is adjusted by checking device mounting platform and laser signal
Unit is installed along in the fixed platform of proximal end；Distal end reflector element is mounted on optical adjusting frame, and optical adjusting frame is mounted on
On the mobile platform of distal end；Proximal end fixed platform and distal end mobile platform are commonly mounted on moving guide rail；Proximal end fixed platform and
Diaphragm is installed on the mobile platform of distal end, when light while by the diaphragm at both ends, determines both ends platform keeping parallelism.
It is mounted on each erecting bed standard meter and by checking device when detection, mobile remote platform is transported on guide rail
Dynamic, corresponding change occurs for the light path of laser, and test system is moved to arc sag in power transmission state monitoring device inspection specification
Each measurement point that monitoring device requires adjusts proximally and distally platform keeping parallelism, then uses standard meter (total powerstation)
With measured this light path respectively by checking device, complete the measurement of a measuring point.
In order to determine the stability of range-measurement system, need repeatedly to survey these measurement points in test method of the invention
Amount, analyzes measurement result using the measurement result of total powerstation as benchmark, determines the uncertainty of measuring system.
Constant temperature control box detects the drift characteristic varied with temperature by checking device, has heat-protecting glass, constant temperature control box
Temperature adjusting range：60 DEG C~130 DEG C of ﹣, temperature deviation：± 2%, the fluctuation/uniformity：≤ ± 0.5 DEG C/± 2 DEG C, temperature essence
Degree：±0.1℃.
Standard meter mounting platform is made of three pieces of upper, middle and lower tablet and pedestal, is installed laterally under upper, middle two boards
Idler wheel and transversal driving mechanism make, middle platform has the function of transverse translation；In, longitudinal idler wheel and vertical is installed under lower two boards
To driving mechanism, in making, lower platform have the function of longitudinal translation；Lower tablet and floor installation have threaded mandrel and height adjustment machine
Structure makes platform have function of regulating height thereof.
It is made of translation stage, pitching turntable and lifting platform by checking device mounting platform, this platform can be completed upper and lower, horizontal
To movement and horizontal plane rotation and beat.
Optical adjusting frame is coplanar adjustment mechanism, and pitching shaft and beat shaft are orthogonal in the center of optical element,
Ensure that the center of hot spot is overlapped with the center of shaft.
Proximal end, distal end reflector element are made of 17 groups of plane mirrors altogether, plane mirror and guide rail angle at 45 °, often
Group plane mirror is by two angles speculum group in 90 ° at it is based in high index Asia wave that speculum, which uses nanometer mirror, nanometer mirror,
The reflectivity of distributed Bragg reflector in long grating, nanometer mirror is 99%, and thickness is 0.3 μm.
Laser signal adjustment unit is made of photoelectric converter, amplifying circuit, Laser Power Devices, laser signal adjustment unit tool
The program-controlled adjustable function of standby amplification factor, maximum amplification are 50 times, Adjustment precision：± 0.1%.
Standard meter selects total powerstation, total station survey distance：1000m (no prism), precision/time of measuring：(2mm+
2ppm)/3s。
Laser frequency spectrum meter selects the high-precision laser spectrum analyzer of Bristol, wave-length coverage：350nm~1680nm,
Absolute precision：± 0.2ppm, frequency resolution：4GHz, for measuring laser frequency while analyzing laser frequency spectrum.
Laser power meter selects THORLABS PM100USB light power meters, probe first to use S120VC, power bracket：50nW
~50mW, minimum resolution：1nW, measurement error：± 3% (451-1000nm), ± 5% (200-450nm, 1001-
1100nm)。
By the detailed process of checking device and total powerstation emergent light horizontal adjustment in test system as shown in Figure 3：Utilize shifting
Mobile platform is first pulled to farthest adjustment emergent light luminous point and is passed through diaphragm by the diaphragm adjustment on moving platform by the light path of checking device
(carry out at this time be by checking device rotation adjust), then mobile platform be pulled to most nearby adjustment (what is carried out at this time is tested
The translation of device), in constantly zooming out the adjustment to further, eventually the angle of deviation of emergent light is adjusted to minimum.It installs solid
Diaphragm on fixed platform makes light while also can start the light for adjusting total powerstation by this diaphragm, then being transferred by checking device
Movable plate is pulled to farthest by road, while making the light of total powerstation simultaneously by the two diaphragms.
The parallel adjustment detailed process of light path is in test system, being placed on emergent ray with foraminate mobile item, makes
Light fixes the spacing of mobile item by the aperture at both ends, and then mobile item is placed at light path at the far end, adjusts mirror holder
Deflection angle, make light again by two holes on mobile item, complete the parallel adjustment of light path.
The process of laser signal intensity compensation in test system：First use laser power meter and sharp spectrometer measurement total powerstation
Laser optical power, wavelength and the phase received is measured at outgoing luminous power, wavelength and phase, then outdoor 500m distances, is calculated
Go out the laser power pad value x of outdoor 500m measurement distances1；Laser power declines at 500m after measurement total powerstation is reflected by light path
Depreciation x2；Calculate laser power compensation rate x3=x1-x2；Frequency, phase and the compensation of laser are set in laser signal adjustment unit
Amount, compensates by adjusting unit.
Test system is reflected by 17 groups of plane mirrors, passes through the mobile mould for realizing 0~500m distances on 25m guide rails
It is quasi-.
Test system is divided into two ranges when detecting：Detecting distance directly places standard reflecting plate in 0~25m
Behind the diaphragm of mobile platform, is reflected without plane microscope group, directly platform is made to be moved on guide rail, to the measurement in 25m
Point measures；Detecting distance, reflecting plate back to the home position in fixed platform, passes through plane in 25m~500m
Reflection is examined and determine again.
Data Analysis Services principle as shown in Figure 4, data analysis processor calculate mould by data input module, data
Block, inspection result output module composition, data analysis processor create array with Lab VIEW virtual instruments tools and write
Enter table, four layer data input modules are established with Lab VIEW constructions of condition：The input of standard device parameter, tested device parameter are defeated
Enter, offset data input and measured value input, when being selected in terms of certain measurement by host computer panel, processor can run phase
The level answered；The numerical computations tool and reading file tool that data computation module is applied in Lab VIEW deposit a upper module
The data of storage read out and use addition, multiplication, division and square root calculation formula to be transported respectively to four layer datas of storage
It calculates, operation result is transferred to inspection result output module, exports final testing result.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still
The specific implementation mode of the present invention can be modified or replaced equivalently, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, are intended to be within the scope of the claims of the invention.
Claims (8)
1. a kind of detection device for laser arc sag monitor, including：Test system and data processor；It is characterized in that,
The test system includes：Canonical measure equipment and light compensate equipment；
The canonical measure equipment and light compensation equipment are sequentially arranged in and move horizontally on track；
The data processor includes：Data input module, data computation module and inspection result output module；
The data processor receives and processes the data of the test system input；
The canonical measure equipment includes：Standard meter and standard meter mounting platform；
The standard meter mounting platform includes upper flat plate, middle plateform, lower tablet and pedestal；
The upper flat plate and the middle plateform are equipped with transverse-roller and transversal driving mechanism；The middle plateform and the lower tablet are set
There are longitudinal idler wheel and longitudinal driving mechanism；Threaded mandrel and height regulating mechanism are equipped between the lower tablet and the pedestal；
The light compensates equipment：Proximal end fixed platform, distal end mobile platform, proximal end reflector element, distal end reflector element, light
Reflecting plate, diaphragm, laser signal adjustment unit, laser frequency spectrum analyzer and laser power meter；
The standard meter mounting platform, the proximal end fixed platform and the distal end mobile platform are sequentially arranged in the level
On moving track；
The proximal end fixed platform is equipped with by checking device mounting platform, the laser signal adjustment unit and the first pH effect
Frame, first optical adjusting frame support the proximal end reflector element；
The distal end mobile platform is equipped with the laser power meter and the second optical adjusting frame, the second optical adjusting frame branch
Support the distal end reflector element；
Described by checking device mounting platform includes translation stage, pitching turntable, lifting platform and constant temperature control box；
It is described to be set in the constant temperature control box by checking device；The constant temperature control box is set to described by checking device mounting platform
On；
Threaded mandrel and height regulating mechanism are equipped between the pitching turntable and the lifting platform；
The constant temperature control box detects the drift characteristic varied with temperature by checking device, has heat-protecting glass, constant temperature control box
Temperature adjusting range：60 DEG C~130 DEG C of ﹣, temperature deviation：± 2%, the fluctuation/uniformity：≤ ± 0.5 DEG C/± 2 DEG C, temperature accuracy：
±0.1℃。
2. detection device according to claim 1, which is characterized in that
The proximal end fixed platform and the distal end mobile platform are correspondingly provided with the diaphragm；
Laser frequency spectrum analyzer is equipped between the proximal end fixed platform and the distal end mobile platform；
The light reflecting board moves between the proximal end fixed platform and the distal end mobile platform.
3. detection device according to claim 2, which is characterized in that
First optical adjusting frame and second optical adjusting frame are coplanar adjustment mechanism, and pitching shaft and beat shaft are just
It hands in center.
4. detection device according to claim 3, which is characterized in that
The proximal end reflector element and the distal end reflector element include 17 groups of plane mirror；
The plane mirror and moving guide rail are at 45 °；
Every group of plane mirror includes angle two speculums in 90 °；The speculum is nanometer mirror.
5. detection device according to claim 4, which is characterized in that
The standard meter is total powerstation；
The laser signal adjustment unit includes photoelectric converter, amplifying circuit and Laser Power Devices；
The laser frequency spectrum analyzer is Bristol high-precision laser spectrum analyzers；
The laser power is calculated as THORLABS PM100USB light power meters.
6. detection device according to claim 5, which is characterized in that
The laser signal adjustment unit setting laser frequency, laser phase and laser compensation amount；The laser signal adjustment is single
The amplification factor of member is program-controlled adjustable.
7. detection device according to claim 6, which is characterized in that
The data processor utilizes Lab VIEW virtual instrument instrument creation arrays and write table；
Construction of condition of the data input module based on Lab VIEW establishes the input of four layer datas：The input of standard device parameter,
Tested device parameter input, the input of light offset data and measurement data input.
8. detection device according to claim 7, which is characterized in that
Numerical computations tool of the data computation module based on Lab VIEW and reading file tool, read and calculate the data
Four layers of input data of input module storage；
The inspection result output module exports testing result.
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|---|---|---|---|
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007013669A1 (en) * | 2007-03-19 | 2008-09-25 | Deutsche Bahn Ag | Mounted catenary wire fine undulation measuring method for railway transportation, involves measuring contact wire sag parabola between sliding pieces by lifting device according to preset equation, where device consists of sliding piece |
| CN102175163A (en) * | 2011-03-08 | 2011-09-07 | 深圳市威克风云电力自控设备有限公司 | Lead sag monitoring device |
| CN202814349U (en) * | 2012-10-11 | 2013-03-20 | 上海谷元电气科技有限公司 | System for on-line monitoring of sag of overhead transmission line |
| CN203550911U (en) * | 2013-11-05 | 2014-04-16 | 国家电网公司 | Conductor sag distance measuring equipment for high-voltage transmission line |
| CN204313799U (en) * | 2014-12-30 | 2015-05-06 | 上海电缆研究所 | Based on the wire sag monitoring device of laser ranging |
| CN205537514U (en) * | 2015-12-15 | 2016-08-31 | 中国电力科学研究院 | Detection apparatus for be used for laser arc monitor that hangs down |
-
2015
- 2015-12-15 CN CN201510930705.8A patent/CN105403159B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007013669A1 (en) * | 2007-03-19 | 2008-09-25 | Deutsche Bahn Ag | Mounted catenary wire fine undulation measuring method for railway transportation, involves measuring contact wire sag parabola between sliding pieces by lifting device according to preset equation, where device consists of sliding piece |
| CN102175163A (en) * | 2011-03-08 | 2011-09-07 | 深圳市威克风云电力自控设备有限公司 | Lead sag monitoring device |
| CN202814349U (en) * | 2012-10-11 | 2013-03-20 | 上海谷元电气科技有限公司 | System for on-line monitoring of sag of overhead transmission line |
| CN203550911U (en) * | 2013-11-05 | 2014-04-16 | 国家电网公司 | Conductor sag distance measuring equipment for high-voltage transmission line |
| CN204313799U (en) * | 2014-12-30 | 2015-05-06 | 上海电缆研究所 | Based on the wire sag monitoring device of laser ranging |
| CN205537514U (en) * | 2015-12-15 | 2016-08-31 | 中国电力科学研究院 | Detection apparatus for be used for laser arc monitor that hangs down |
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