CN102798359B - Non-contact inclination angle measuring device and method - Google Patents
Non-contact inclination angle measuring device and method Download PDFInfo
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- CN102798359B CN102798359B CN201210317082.3A CN201210317082A CN102798359B CN 102798359 B CN102798359 B CN 102798359B CN 201210317082 A CN201210317082 A CN 201210317082A CN 102798359 B CN102798359 B CN 102798359B
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Abstract
The invention discloses a non-contact inclination angle measuring device and a method thereof, the device consists of a distance measuring module, an inclination angle measuring module, a microprocessor module, a display module, a power supply module and a body, wherein the distance measuring module comprises two independent laser distance measuring units, two parallel measuring paths are sent out from a body measuring reference surface during measurement and hit a measured target characteristic line, the distance measured by the two laser distance measuring units and the body inclination angle measured by the inclination angle measuring module are processed and output to the display module by the microprocessor module, the two distance values are equal by adjusting the inclination angle of the body, a parallelogram is formed among the body, the two measuring paths and the measured target characteristic line, and the inclination angle displayed by the display module is equal to the inclination angle of a measured target. The non-contact type inclination angle measuring device and the method thereof provided by the invention can conveniently realize the non-contact type high-precision inclination angle measurement on the measured object, especially the target which is long in distance, difficult to approach by manpower or poor in measurement visual angle.
Description
Technical field
The present invention relates to field of measuring technique, particularly the contactless dip measuring device of one and method.
Background technology
Existing dip measuring device mainly contact, by the contact of witness mark face and testee, gravity vertical means (as weight) and angle dial is utilized to read or measure inclination angle with obliquity sensor, this measuring method surveying instrument must contact with testee, to remote object and manually unsuitable close target (as high temperature, target in the hazardous environments such as dust) when measuring, large-scale angle conversion device (as T-square) indirect inspection must be made, operate very inconvenient, the mode of circle reading is also difficult to ensure measuring accuracy in the same time.Also there is the method at non-contact measurement inclination angle at present, as vision or image procossing, but need the inclination angle of measured target could measure in the visual perspective of gauger completely, measurement visual angle is had higher requirements.
Summary of the invention
It is high that technical matters to be solved by this invention is to provide a kind of measuring accuracy, can carry out dip measuring device and the method for non-contact measurement to remote, artificial not easily close or that measurement visual angle is not good target.
For solving the problems of the technologies described above, the invention provides a kind of contactless dip measuring device, comprise body, described body is provided with range finder module, measurement of dip angle module, microprocessor module, display module, power module, described range finder module, described measurement of dip angle module is connected with described microprocessor module respectively with described display module, described power module respectively with described range finder module, measurement of dip angle module, microprocessor module is connected with display module, the witness mark face of described body is provided with described range finder module, the another side of described body is provided with described display module.
Further, described range finder module by two independently, laser ranging unit that precision is identical forms.
Further, the distance that described two laser ranging unit are certain apart on the body, and apart from adjustable.
Further, the angle referred between range finding path and body witness mark face that takes measurement of an angle of described laser ranging unit, takes measurement of an angle adjustable, keeps the range finding path parallel that two laser ranging unit send.
Further, described power module is with powered battery.
Present invention also offers a kind of method of being carried out contactless measurement of dip angle by said apparatus, comprise the steps:
By body witness mark face towards measured target, taking measurement of an angle of adjustment laser ranging unit;
Make laser ranging unit send two parallel range finding paths from witness mark face, get on the characteristic curve of measured target, the display module of body shows the body inclination angle that the range finding numerical value of two laser ranging unit, range finding numerical difference and measurement of dip angle module record;
Keep range finding path to beat on the characteristic curve of measured target, adjustment body angle of inclination, two numerical difference of finding range are diminished gradually, until be zero, the body inclination angle of now display module display is the inclination angle of measured target.
Further, the characteristic curve of described measured target refers to the distinctive straight line that measured target can characterize its inclination angle.
The contactless dip measuring device of one provided by the invention and method, the contactless high-precision measurement of dip angle to testee can be realized, particularly to remote, artificial not easily near or measure the not good target in visual angle, measurement of dip angle can be carried out easily and accurately, reduce the labour intensity of operating personnel, improve and measure efficiency and precision.
Accompanying drawing explanation
The structural drawing of a kind of contactless dip measuring device that Fig. 1 provides for the embodiment of the present invention.
The schematic diagram of a kind of contactless inclination angle measurement method that Fig. 2 provides for the embodiment of the present invention.
Embodiment
See Fig. 1 and Fig. 2, the contactless dip measuring device of the one that the embodiment of the present invention provides, comprise body 4, described body 4 is provided with range finder module 1, measurement of dip angle module 2, microprocessor module 5, display module 3, power module 6, range finder module 1, measurement of dip angle module 2 are connected with microprocessor module 5 respectively with display module 3, power module 6 and other each model calling, the one side of body 4 is provided with range finder module 1, be provided with the one side of range finder module 1 simultaneously as witness mark face, the another side of body 4 is provided with display module 3.Range finder module 1 by two independently, the identical laser ranging unit 9 of precision and laser ranging unit 10 form, the distance that laser ranging unit 9 and laser ranging unit 10 are certain apart on body 4, and apart from adjustable, to adapt to the use of different size measured target.The γ that takes measurement of an angle of laser ranging unit 9 and laser ranging unit 10 is adjustable, the laser ranging transmitting probe of two laser ranging unit be provided with different angles gear (as 45 °, 90 °, 135 °) or by the mechanical linkage of two laser ranging transmitting probes, two laser ranging paths that laser ranging unit 9 and laser ranging unit 10 send under any γ of taking measurement of an angle can be remained on and be all parallel to each other.Measurement of dip angle module 2 is made up of digital tilt angle sensor and circuit thereof, and digital tilt angle sensor can measure the angle of inclination beta in body 4 witness mark face in real time.Power module 6 provides power supply for each module of this device, battery-powered, so that device is portable.
The measuring principle of a kind of contactless dip measuring device provided by the invention is: during measurement, range finder module is to the parallel measuring route of the characteristic line emission two of measured target, the signal of microprocessor module process two laser ranging unit and the input of measurement of dip angle module, through data processing, by the range finding numerical value of two laser ranging unit, the inclination angle Dynamic Announce in the body witness mark face that range finding numerical difference and measurement of dip angle module record is on display module, by adjusting the angle of inclination of body, make the range finding numerical value of two laser ranging unit equal, the now witness mark face of body, article two, form a parallelogram between measuring route and measured target characteristic curve, the body inclination angle of display module display just equals by sidelong glance target inclination angle, the precision measured is determined by the precision of measurement of dip angle module, the precision of two range cells and the two range cells distance on body, measurement of dip angle module adopts high accuracy number obliquity sensor, two range cells are calibrated, make taking measurement of an angle of two range cells identical with precision, and make distant on body of two range cells, all can improve the precision of measurement.
The step that the contactless dip measuring device that the embodiment of the present invention provides measures inclination angle is as follows:
Hand-held body 4 or body 4 is arranged on the rotatable support of base, by witness mark face towards measured target 7, according to distance and the inclination conditions of measured target 7, the laser ranging transmitting probe of laser ranging unit 9 and laser ranging unit 10 is adjusted to suitable gear or the γ that takes measurement of an angle;
Laser ranging unit 9 and laser ranging unit 10 send two parallel range finding path a and b from witness mark face, get on the characteristic curve 8 of measured target 7, now the display module 3 of body 4 can show two distance values, range difference and body angle of inclination beta;
Range finding path a and b is kept to beat on the characteristic curve 8 of measurement target, the lateral attitude of adjustment body 4, observe two distance values and the range difference of display on body 4, two range differences are reduced gradually, until when range difference is zero, article two, range finding path a and b, characteristic curve just form a parallelogram between 2 A and B and body, the angle of inclination beta that now display module 3 of body 4 shows is exactly the inclination alpha of measurement target.
The contactless dip measuring device of one provided by the invention and method, use simple, measuring accuracy is high, particularly to remote, artificial not easily near or measure the not good target in visual angle, measurement of dip angle can be carried out easily and accurately, reduce the labour intensity of operating personnel, improve and measure efficiency and precision.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. a contactless dip measuring device, it is characterized in that: comprise body, described body is provided with range finder module, measurement of dip angle module, microprocessor module, display module, power module, described range finder module, described measurement of dip angle module is connected with described microprocessor module respectively with described display module, described power module respectively with described range finder module, measurement of dip angle module, microprocessor module is connected with display module, the witness mark face of described body is provided with described range finder module, the another side of described body is provided with described display module, described range finder module is by two independently, the laser ranging unit composition that precision is identical, described two laser ranging unit are on the body at a distance of certain distance, and apart from adjustable, taking measurement of an angle of described two laser ranging unit is adjustable, it is 45 ° that the laser ranging transmitting probe of described two laser ranging unit is provided with angle, the gear of 90 ° and 135 °, or the mechanical linkage of described two laser ranging transmitting probes, the range finding path sent to keep two laser ranging unit is parallel to each other, during measurement, by the witness mark face of described body towards measured target, adjust the angle of inclination of described body, when the range finding numerical value of described two laser ranging unit that described display module shows is equal, the body inclination angle of described display module display just equals by sidelong glance target inclination angle.
2. contactless dip measuring device according to claim 1, is characterized in that: described power module is with powered battery.
3. carry out a method for contactless measurement of dip angle based on device according to claim 1, it is characterized in that, comprise the steps:
By body witness mark face towards measured target, taking measurement of an angle of adjustment laser ranging unit;
Make laser ranging unit send two parallel range finding paths from witness mark face, get on the characteristic curve of measured target, the display module of body shows the body inclination angle that the range finding numerical value of two laser ranging unit, range finding numerical difference and measurement of dip angle module record;
Keep range finding path to beat on the characteristic curve of measured target, adjustment body angle of inclination, two numerical difference of finding range are diminished gradually, until be zero, the body inclination angle of now display module display is the inclination angle of measured target;
Wherein, the characteristic curve of described measured target refers to and measured target can characterize the distinctive straight line in its inclination angle.
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| CN201210317082.3A CN102798359B (en) | 2012-08-30 | 2012-08-30 | Non-contact inclination angle measuring device and method |
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| CN201210317082.3A CN102798359B (en) | 2012-08-30 | 2012-08-30 | Non-contact inclination angle measuring device and method |
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| CN102798359B true CN102798359B (en) | 2016-01-20 |
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| CN109945807A (en) * | 2019-04-29 | 2019-06-28 | 苏州大学 | Non-contact Angle Measurement device and method based on mobile terminal |
| CN114234853B (en) * | 2021-11-19 | 2024-09-27 | 广东嘉腾机器人自动化有限公司 | Shelf inclination angle measuring method, system, equipment and medium based on laser scanning |
| CN114877827B (en) * | 2022-05-05 | 2024-01-26 | 华北电力科学研究院有限责任公司 | Method and device for determining opening degree of baffle plate in thermal power plant |
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| CN1632452A (en) * | 2004-12-23 | 2005-06-29 | 西安华腾光电有限责任公司 | High precision photoelectric measuring method and measuring apparatus for three-dimensional dip |
| CN201857400U (en) * | 2010-07-28 | 2011-06-08 | 程树森 | Blast furnace chute inclination angle detection system |
| CN102322857A (en) * | 2011-05-24 | 2012-01-18 | 武汉理工大学 | Position and posture measuring system and method for mechanical equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257545A (en) * | 2001-03-05 | 2002-09-11 | Takenaka Komuten Co Ltd | Simplified measuring method and measuring device of vertical displacement or the like |
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Patent Citations (3)
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|---|---|---|---|---|
| CN1632452A (en) * | 2004-12-23 | 2005-06-29 | 西安华腾光电有限责任公司 | High precision photoelectric measuring method and measuring apparatus for three-dimensional dip |
| CN201857400U (en) * | 2010-07-28 | 2011-06-08 | 程树森 | Blast furnace chute inclination angle detection system |
| CN102322857A (en) * | 2011-05-24 | 2012-01-18 | 武汉理工大学 | Position and posture measuring system and method for mechanical equipment |
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