CN203964872U - Non-contact laser surface displacement monitoring device with inclination correction function - Google Patents
Non-contact laser surface displacement monitoring device with inclination correction function Download PDFInfo
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- CN203964872U CN203964872U CN201420325790.6U CN201420325790U CN203964872U CN 203964872 U CN203964872 U CN 203964872U CN 201420325790 U CN201420325790 U CN 201420325790U CN 203964872 U CN203964872 U CN 203964872U
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Abstract
The utility model discloses a non-contact laser earth's surface displacement monitoring device with tilt correction, which is characterized in that the monitoring device comprises a laser receiving and transmitting end, a laser reflection end, a corresponding communication module and upper computer software, wherein the laser receiving and transmitting end comprises a radio frequency module, a double-shaft tilt sensor, a temperature sensor, a laser range finder, a laser beam light device and a surveying and mapping base; the laser reflection end comprises a two-dimensional PSD displacement sensor and auxiliary components thereof, a mounting bracket, a range adjusting knob, a driving control circuit and a wireless communication module; the communication module is responsible for remote communication of field monitoring data; and the upper computer software is responsible for monitoring data acquisition and analysis. The utility model has the advantages of, can realize simultaneously the automatic monitoring to the deformation body plane displacement, vertical displacement, the unnecessary observed quantity of this equipment is abundant, can realize that monitoring data is from correcting and self-checking school function, and monitoring achievement reliability is high.
Description
Technical field
The utility model belongs to and relates to safe early warning field, particularly a kind of non-contact laser ground displacement device with slant correction.
Background technology
Displacement monitoring has the features such as monitoring convenience, visual results, early warning theory are complete, significant in engineering construction or diaster prevention and control field.Current, there are GNSS, robot measurement etc. for the common automatic monitoring equipment of displacement, above-mentioned monitoring equipment procurement price is higher to be unfavorable for extensive popularization having proposed thus laser ranging formula ground displacement equipment.
But, be used for the sensor of perception laser spots position, owing to affected by processing technology, its range maximum can only reach 20 × 20mm
2, so little range cannot meet the needs of conventional project deformation monitoring.
When lasing light emitter run-off the straight, (inclination angle is i) time, to there is larger skew in the hot spot of laser beam on position transducer, thereby cause larger measuring error (even rough error), simultaneously, the distance (S) of lasing light emitter and position transducer is larger, and facula deviation is more obvious.From surveying little angle theory: work as S=50m, i=0.1 °, facula position side-play amount is 87.27mm, i=0.01 °, facula position skew is 8.73mm), do not take as seen corrective action laser ranging formula ground displacement device to use.
In addition, reach the demand of field long term monitoring low-power consumption, must possess lasing light emitter power consumption control function; For reducing the scattering of surround lighting (daylight) intensity aggravation laser beam, thereby cause the effect of position transducer to displacement decrease resolution, be necessary design bundle light function.
Utility model content
Given this, the purpose of this utility model is to provide a kind of non-contact laser ground displacement device with slant correction.
The utility model provides a kind of non-contact laser ground displacement device with slant correction, it is characterized in that, described monitoring device comprises laser transmitting-receiving end, laser reflection end, corresponding communication module and upper computer software, and wherein said laser transmitting-receiving end comprises radio-frequency module, double-shaft tilt angle sensor, temperature sensor, laser range finder, laser light concentrator, mapping pedestal; Described laser reflection end comprises Two-dimensional PSD displacement transducer and accessory, mounting bracket, range adjusting knob and Drive and Control Circuit and wireless communication module; Described communication module is responsible for the communication of field monitoring remote data and equipment two ends exchanges data; Described upper computer software is responsible for Monitoring Data collection and analysis.
Further, additional integrated wireless communication module, double-shaft tilt angle sensor, temperature sensor and laser light concentrator of described laser range finder.
Further, described mapping pedestal comprises leveling foot screw and level tube, so that equipment is installed accurate leveling.
Further, described laser transmitting-receiving end can implementation space range observation, and according to angle of inclination and scene temperature, by surveying relative theory, space length is carried out to inclination correction and refraction correction, finally quantizes the systematic error that displacement observation comprises.
Further, described Two-dimensional PSD displacement transducer is integrated filter, wide-angle lens, the saturating plate of imaging, two-dimensional CCD and lens distortion correcting lens group.
Further, described support is integrated filter adjustable screw and range adjustable screw, by the adjusting to the two, realizes respectively best filter effect and expands the object of monitoring range.
Further, the data that described upper computer software is responsible for gathering comprise space length, laser transmitting-receiving transverse plane angle of inclination, vertical angle of inclination, scene temperature T and the hot spot position in displacement transducer of laser transmitting-receiving end to displacement transducer.
The utility model has the advantage of, can realize the automatic monitoring to deformable body in-plane displancement, vertical displacement, this equipment excess observation component is abundant simultaneously, can realize Monitoring Data self-correcting and self calibration function, and Monitoring Result reliability is high.
Brief description of the drawings
Fig. 1 is the non-contact laser ground displacement device schematic diagram with slant correction.
Fig. 2 is device context installation procedure.
Embodiment
The embodiment of the non-contact laser ground displacement device with slant correction the utility model being provided below in conjunction with accompanying drawing elaborates.
As shown in Figure 1, non-contact laser ground displacement device with slant correction comprises laser transmitting-receiving end, laser reflection end, corresponding communication module and upper computer software, wherein laser transmitting-receiving end is responsible for Laser emission and return signal reception, thereby obtains the space length between reference point and monitoring point; Laser reflection end is responsible for Laser emission and is identified with facula position; Communication module is responsible for field monitoring remote data communication function; Described upper computer software is responsible for Monitoring Data collection and analysis.
The installation of monitoring device is divided into laser transmitting-receiving end and laser reflection end two large divisions, and when installation, two parts setting height(from bottom) should be coordinated, and guarantees the maximum monitoring of displacement transducer performance range, and the two installation procedure as shown in Figure 2.
Particularly, laser transmitting-receiving end has comprised the parts such as mapping pedestal 6, laser range finder 4, radio-frequency module 1, double-shaft tilt angle sensor 2 and temperature sensor 3 from down to up successively.This device laser range finder 4 rear portions are integrated wireless communication module, top is integrated double-shaft tilt angle sensor 2 and temperature sensor 3, anterior integrated laser light concentrator 5, wherein wireless communication module has comprised power interface, inclination angle and temperature sensor interface and radio-frequency module 1, is responsible for Monitoring Data collection and carries out data interaction by radio-frequency module 1 and reflection end; Light concentrator 5 can reduce laser light scattering, dwindles facula area, and then improves the resolution of displacement transducer; Whole laser transmitting-receiving end can implementation space distance (S) be measured, and according to angle of inclination and scene temperature, by surveying relative theory, S is carried out to inclination correction and refraction correction, finally quantizes the systematic error that displacement observation comprises.In this device, survey and draw pedestal 6 and comprise leveling foot screw and level tube 7, being mainly its top laser ranging system provides the mounting condition of level of approximation, the existence of level tube 7 can improve installation accuracy greatly, and then guarantee obliquity sensor 2 is brought into play long-term effectively its function in its range.
Laser reflection end comprises Two-dimensional PSD displacement transducer and accessory, mounting bracket 21, range adjusting knob 16 and Drive and Control Circuit 19 and wireless communication module 17.This device Two-dimensional PSD displacement transducer is integrated filter 10, wide-angle lens 12, the saturating plate 11 of imaging, two-dimensional CCD 14 and lens distortion correcting lens group 15.The filter 10 wherein installing additional before saturating plate 11 can play good filtration to environment veiling glare, reduces external environment light to the impact of measuring, and further improves displacement transducer accuracy of observation.Utilize wide-angle lens 12 image-forming principles can reach the object of range extension, simultaneously for reducing wide-angle lens photogrammetric distortion, integrated anti-anamorphic lens group.When CCD14 constantly carries out image scanning to saturating plate 11, thereby obtain laser spot position (X, Y).This device laser reflection end mounting bracket 21 is realized accurate installation by level tube 7; Simultaneously support 21 is integrated filter adjustable screw 13 and range adjustable screw 16, by the adjusting to the two, can realize respectively the object of best filter effect and expansion monitoring range.By range adjustable screw 16, saturating plate 11 and the distance of wide-angle lens 12 are regulated, realized the big or small calling function of range, meanwhile, on range adjuster bar, demarcate this device range, so that on-the-spot, measurement mechanism is carried out to range adjusting; This helical design is positioned at wide-angle lens 12 rears, and it is poor that the sensitivity that can improve this spiral reduces adjustable diameter and screw adjusting backhaul simultaneously.This device treatment circuit plate comprises CCD driving circuit 18, control circuit 19 and wireless communication module 17, and the main view data of being responsible for resolving CCD14 of this module 17, obtains facula position; In wireless communication module 17, with less radio-frequency function, need to measure time, send power switch close command to the radio-frequency module 1 at laser range finder 4 places, laser range finder 4 is opened laser and is started range finding and distance value is stored in self register; Monitoring point treatment circuit plate completes the rear radio frequency command that sends of self facula position parsing, read laser sensor 3 distance values, double-shaft tilt angle sensor 2 inclination angle value and ambient temperature value, by wireless communication module 17 remote transmission Monitoring Data to designated terminal, send and measured instruction, laser sensor 3 disconnecting power switch voluntarily, enters standby mode.
Upper computer software completes and normally after operation, can gather following data in device Installation and Debugging: laser transmitting-receiving end is to the space length S of displacement transducer; Laser transmitting-receiving transverse plane angle of inclination i and vertically angle of inclination j; Scene temperature T; The position (X, Y) of hot spot in displacement transducer.If do not consider, laser is adopted sends out the inclination of equipment and the impact of Atmosphere Refraction, (X, Y) be current facula position, but in actual monitoring condition, having reference point is not strict and steady (being that small two dimension inclination may occur laser transmitting-receiving end), the larger equal error of temperature difference source factor during monitoring.So design compilation data solver upper computer software, can carry out three poor corrections (two dimension tilts and temperature correction) to space length S by above-mentioned observed quantity, each issue observation data naturalization, to surface level and vertical plane, corrected upper the putting of displacement transducer hot spot the most at last.Ask respectively difference with current observed reading and downpayment observed reading and upper first phase observed reading, can obtain the more accurate accumulative total deflection of displacement monitoring reliably and rate of deformation.Upper and software possesses the basic functions such as data query, download, distortion course curve drafting and short message warning.
The foregoing is only preferred embodiment of the present utility model, numerical value and the numerical range in the description of above-mentioned instructions, mentioned are not limited to the utility model, just for the utility model provides preferred embodiment, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the non-contact laser ground displacement device with slant correction, it is characterized in that, described monitoring device comprises laser transmitting-receiving end, laser reflection end, corresponding communication module and upper computer software, and wherein said laser transmitting-receiving end comprises radio-frequency module, double-shaft tilt angle sensor, temperature sensor, laser range finder, laser light concentrator, mapping pedestal; Described laser reflection end comprises Two-dimensional PSD displacement transducer and accessory, mounting bracket, range adjusting knob and Drive and Control Circuit and wireless communication module; Described communication module is responsible for the communication of field monitoring remote data and equipment two ends exchanges data; Described upper computer software is responsible for Monitoring Data collection and analysis.
2. device according to claim 1, is characterized in that, described laser range finder additional integrated wireless communication module, double-shaft tilt angle sensor, temperature sensor and laser light concentrator.
3. device according to claim 1, is characterized in that, described mapping pedestal comprises leveling foot screw and level tube, so that equipment is installed accurate leveling.
4. device according to claim 1 and 2, it is characterized in that, described laser transmitting-receiving end can implementation space range observation, and according to angle of inclination and scene temperature, by surveying relative theory, space length is carried out to inclination correction and refraction correction, finally quantize the systematic error that displacement observation comprises.
5. device according to claim 1, is characterized in that, described Two-dimensional PSD displacement transducer is integrated filter, wide-angle lens, the saturating plate of imaging, two-dimensional CCD and lens distortion correcting lens group.
6. device according to claim 1 or 5, is characterized in that described support is integrated filter adjustable screw and range adjustable screw, by the adjusting to the two, realized respectively the object of best filter effect and expansion monitoring range.
7. device according to claim 1, it is characterized in that, the data that described upper computer software is responsible for gathering comprise space length, laser transmitting-receiving transverse plane angle of inclination, vertical angle of inclination, scene temperature T and the hot spot position in displacement transducer of laser transmitting-receiving end to displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420325790.6U CN203964872U (en) | 2014-06-18 | 2014-06-18 | Non-contact laser surface displacement monitoring device with inclination correction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420325790.6U CN203964872U (en) | 2014-06-18 | 2014-06-18 | Non-contact laser surface displacement monitoring device with inclination correction function |
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| CN203964872U true CN203964872U (en) | 2014-11-26 |
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| CN201420325790.6U Expired - Fee Related CN203964872U (en) | 2014-06-18 | 2014-06-18 | Non-contact laser surface displacement monitoring device with inclination correction function |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142124A (en) * | 2014-06-18 | 2014-11-12 | 重庆地质矿产研究院 | Non-contact laser surface displacement monitoring device with inclination correction function |
| CN105526890A (en) * | 2016-01-05 | 2016-04-27 | 国家电网公司 | Handcart switch cabinet contact centering degree measuring device and method |
| CN107063168A (en) * | 2017-05-25 | 2017-08-18 | 公安部四川消防研究所 | Build deformation monitoring and early warning system of collapsing |
| CN107101610A (en) * | 2017-05-25 | 2017-08-29 | 公安部四川消防研究所 | System for monitoring displacement available for building structure deformation monitoring |
| CN109612399A (en) * | 2018-09-26 | 2019-04-12 | 中铁第勘察设计院集团有限公司 | Displacement-deformation measuring device and method based on PSD and laser ranging |
| CN105526890B (en) * | 2016-01-05 | 2019-07-16 | 国家电网公司 | A kind of handcart switch cabinet contact is to moderate measuring device and method |
| CN110031858A (en) * | 2019-05-14 | 2019-07-19 | 广州市吉华勘测股份有限公司 | A kind of formwork monitoring device, system and method |
| CN113188460A (en) * | 2021-06-30 | 2021-07-30 | 浙江永诚建设工程管理有限公司 | Real-time monitoring system for building deformation |
-
2014
- 2014-06-18 CN CN201420325790.6U patent/CN203964872U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142124A (en) * | 2014-06-18 | 2014-11-12 | 重庆地质矿产研究院 | Non-contact laser surface displacement monitoring device with inclination correction function |
| CN105526890A (en) * | 2016-01-05 | 2016-04-27 | 国家电网公司 | Handcart switch cabinet contact centering degree measuring device and method |
| CN105526890B (en) * | 2016-01-05 | 2019-07-16 | 国家电网公司 | A kind of handcart switch cabinet contact is to moderate measuring device and method |
| CN107063168A (en) * | 2017-05-25 | 2017-08-18 | 公安部四川消防研究所 | Build deformation monitoring and early warning system of collapsing |
| CN107101610A (en) * | 2017-05-25 | 2017-08-29 | 公安部四川消防研究所 | System for monitoring displacement available for building structure deformation monitoring |
| CN107063168B (en) * | 2017-05-25 | 2020-01-14 | 公安部四川消防研究所 | Building deformation monitoring and early warning system that collapses |
| CN109612399A (en) * | 2018-09-26 | 2019-04-12 | 中铁第勘察设计院集团有限公司 | Displacement-deformation measuring device and method based on PSD and laser ranging |
| CN110031858A (en) * | 2019-05-14 | 2019-07-19 | 广州市吉华勘测股份有限公司 | A kind of formwork monitoring device, system and method |
| CN113188460A (en) * | 2021-06-30 | 2021-07-30 | 浙江永诚建设工程管理有限公司 | Real-time monitoring system for building deformation |
| CN113188460B (en) * | 2021-06-30 | 2022-12-02 | 浙江永诚建设工程管理有限公司 | Real-time monitoring system for building deformation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20210618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |