CN104897069A - Laser measuring device for measuring length and area of remote macroscopic object - Google Patents
Laser measuring device for measuring length and area of remote macroscopic object Download PDFInfo
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- CN104897069A CN104897069A CN201510377737.XA CN201510377737A CN104897069A CN 104897069 A CN104897069 A CN 104897069A CN 201510377737 A CN201510377737 A CN 201510377737A CN 104897069 A CN104897069 A CN 104897069A
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Abstract
The invention discloses a laser measuring device for measuring length and area of a remote macroscopic object. The laser measuring device for measuring length and area of the remote macroscopic object comprises a testing platform, a laser, a laser echo receiving system, a two-dimensional scanning mirror and a computer. The laser measuring device for measuring length and area of the remote macroscopic object provided by the invention can realize remote measurement of height, land perimeter and area of a building according to the needs. The device is easy to carry and convenient to operate, the measurement accuracy is high, the disadvantages that the types of measuring equipment are various, the measurement process is complex and mistakes are easily made in the traditional land area measurement and building measurement are overcome, and the application prospect is wide.
Description
Technical field
The present invention relates to a kind of laser measuring device for measuring, refer to a kind of laser measuring device for measuring measuring long-range macro object length and area especially.
Background technology
In fields such as building, the reallocations of land, often need to measure soil size, land area and building height.The measurement of current building height, the instrument that utilizes had directly is measured, and some cooperation optical principles carry out indirect inspection; In the measurement of soil size and area, usually plot being regarded as the enclosure space be made up of irregular polygon, indirectly obtaining block area by locating each angle point planimetric coordinates, the various native area measurement instrument specially of the use also had.Under normal circumstances, building height and Land area measure need to use different survey instruments, and are all indirect inspection mostly, first use length instrument to carry out length and measure, then calculate measured value.Survey instrument disunity, measuring process is more loaded down with trivial details, and efficiency is low, easily makes mistakes, and block area is scarcely regular, and out-of-flatness factor in ground all can affect measuring accuracy.
Summary of the invention
In view of this, the object of the invention is to propose a kind of laser measuring device for measuring measuring long-range macro object length and area, this device can measure building height, soil girth, area etc. simultaneously, and accuracy rate is high, easy to use.
Based on the laser measuring device for measuring of the long-range macro object length of above-mentioned purpose measurement provided by the invention and area, it is characterized in that, comprise test platform, laser instrument, return laser beam receiving system, two-dimensional scanning mirrors, computing machine.
Described laser instrument, two-dimensional scanning mirrors are installed on test platform, two-dimensional scanning mirrors is fixed on the front of laser instrument outgoing mirror, receive and the laser beam of reflection laser output, two-dimensional scanning mirrors comprises catoptron, described catoptron can swing, and changes the direction of propagation of the laser beam after reflection; Described return laser beam receiving system being installed on test platform, can realizing coaxial with the laser beam of two-dimensional scanning mirrors outgoing by regulating optical axis direction, thus the return laser beam of receiving target barrier reflection; Described return laser beam receiving system is connected with computing machine, and described computing machine can receive information from return laser beam receiving system and the distance of feedback target barrier.
In some embodiments, the laser measuring device for measuring of the long-range macro object length of described measurement and area, is characterized in that, described two bit scan galvanometers are controlled by computing machine, can change laser propagation direction as required and record the angle that catoptron turns over.
In some embodiments, the laser measuring device for measuring of the long-range macro object length of described measurement and area, it is characterized in that, also comprise the point instrumentation for laser facula location, described point instrumentation comprises telescopic system, can accurate measured target point, point instrumentation and laser coaxial are arranged on test platform.
In some embodiments, the laser measuring device for measuring of the long-range macro object length of described measurement and area, it is characterized in that, described computing machine comprises metering module, and described metering module can calculate length and the height of remote objects.
In some embodiments, the laser measuring device for measuring of the long-range macro object length of described measurement and area, is characterized in that, described metering module can calculate girth and the area of remote objects.
In some embodiments, the laser measuring device for measuring of the long-range macro object length of described measurement and area, is characterized in that, described laser instrument is visible laser.
As can be seen from above, the laser measuring device for measuring of the long-range macro object length of measurement provided by the invention and area, can realize the remote measurement of building height, soil girth and area as required.This device easily carries, easy to operate, the shortcoming of measure accuracy rate high, overcome traditional land area and measure with measuring equipment style in construction account numerous, process of measurement is loaded down with trivial details, easily makeing mistakes.
Accompanying drawing explanation
The structural representation of the laser measuring device for measuring of the long-range macro object length of Fig. 1 measurement provided by the invention and area.
Fig. 2 is for inventing the light path principle figure of the laser measuring device for measuring of the long-range macro object length of measurement and the area provided.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is a kind of structural representation measuring the laser measuring device for measuring of long-range macro object length and area, comprises test platform 1, laser instrument 2, return laser beam receiving system 3, two-dimensional scanning mirrors 4, computing machine 5.
Laser instrument 2, two-dimensional scanning mirrors 4 are installed on test platform 1, two-dimensional scanning mirrors 4 is fixed on the front of laser instrument 2 outgoing mirror, receive and the laser beam of reflection laser 2 output, two-dimensional scanning mirrors 4 comprises catoptron, described catoptron can swing, and changes the direction of propagation of the laser beam after reflection.
Return laser beam receiving system 3 being installed on test platform 1, can realizing coaxial with the laser beam of two-dimensional scanning mirrors 4 outgoing by regulating optical axis direction, thus the return laser beam of receiving target barrier reflection.
Return laser beam receiving system 3 is connected with computing machine 5, and computing machine 5 can receive information from return laser beam receiving system 3 and the distance of feedback target barrier.
Further, two-dimensional scanning mirrors 4 is controlled by computing machine 5, can change laser propagation direction as required and record the angle that catoptron turns over.
Like this, can be realized the direction adjustment of two-dimensional scanning mirrors 4 by computing machine 5, make the aiming of barrier pickup point convenient, operability is stronger.
Further, the laser measuring device for measuring measuring long-range macro object length and area also comprises point instrumentation 6, and point instrumentation 6 comprises telescope, for the location to target obstacle pickup point, and the accurate incidence of laser facula when being convenient to find range.Point instrumentation 6 is arranged on test platform 1.
For out-of-shape, when the unconspicuous soil of corner angle or floor area of building are measured, need the pickup point chosen more and not easily observed by naked eyes, point instrumentation 6 can accurately be located by auxiliary laser hot spot.
Further, computing machine 5 comprises metering module, and metering module can calculate the length height of remote objects, girth and area.
Like this, during computing machine is inswept by the Distance geometry of the different pickup point of measurement target barrier each pickup point, the deflection angle of laser beam, can be calculated the height of target, length, girth and area parameters easily by built-in metering module.Easy to operate, simple.
Further, laser instrument is visible laser.Visible laser, with reliably safer in the measurements, is convenient to observe.
Measuring process and the principle of the laser measuring device for measuring of measurement provided by the invention long-range macro object length and area are as follows:
We plan the height in a measurement building, or the height of television tower, equipment is well placed, the A end of laser aiming object, measures the distance a that laser is held to object A, then adjusts scanning galvanometer, by other one end of laser aiming object, measure the distance b that laser is held to object B, calculate the angle θ that laser changes, the length c of object can be obtained according to following formula:
We plan the area of a measurement object, or the area of a piece of land, equipment is well placed, beam of laser aims at 1 fixing A of interior of articles, measures laser to the distance a of object A point, then adjusts scanning galvanometer, by 1, the edge B of the second bundle laser aiming object, measure the distance b1 of laser to object B1 point, and calculate the angle of two bundle laser, the length c1 of AB point can be calculated according to following formula:
Second bundle moves to B2 point along object edge, measures the distance b2 of laser to object B2 point, and calculates the angle of two bundle laser, can calculate the length c2 of AB point according to following formula:
Calculate the area of triangle AB1B2, by that analogy, just can obtain the area of object.
Fig. 2 is the index path of the laser measuring device for measuring of the long-range macro object length of this measurement and area.This device realizes range observation by this light path.
As can be seen from above, the laser measuring device for measuring of the long-range macro object length of measurement provided by the invention and area, can realize the remote measurement of building height, soil girth and area as required.This device easily carries, easy to operate, the shortcoming of measure accuracy rate high, overcome traditional land area and measure with measuring equipment style in construction account numerous, process of measurement is loaded down with trivial details, easily makeing mistakes.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. measure a laser measuring device for measuring for long-range macro object length and area, it is characterized in that, comprise test platform, laser instrument, return laser beam receiving system, two-dimensional scanning mirrors, computing machine;
Described laser instrument, two-dimensional scanning mirrors are installed on test platform, two-dimensional scanning mirrors is fixed on the front of laser instrument outgoing mirror, receive and the laser beam of reflection laser output, two-dimensional scanning mirrors comprises catoptron, described catoptron can swing, and changes the direction of propagation of the laser beam after reflection;
Described return laser beam receiving system being installed on test platform, can realizing coaxial with the laser beam of two-dimensional scanning mirrors outgoing by regulating optical axis direction, thus the return laser beam of receiving target barrier reflection;
Described return laser beam receiving system is connected with computing machine, and described computing machine can receive information from return laser beam receiving system and the distance of feedback target barrier.
2. the laser measuring device for measuring of the long-range macro object length of measurement according to claim 1 and area, is characterized in that, described two bit scan galvanometers are controlled by computing machine, can change laser propagation direction as required and record the angle that catoptron turns over.
3. the laser measuring device for measuring of the long-range macro object length of measurement according to claim 1 and area, it is characterized in that, also comprise the point instrumentation for laser facula location, described point instrumentation comprises telescopic system, can accurate measured target point, point instrumentation and laser coaxial are arranged on test platform.
4. measure the laser measuring device for measuring of long-range macro object length and area according to claim 1, it is characterized in that, described computing machine comprises metering module, and described metering module can calculate length and the height of remote objects.
5. the laser measuring device for measuring of the long-range macro object length of measurement according to claim 4 and area, is characterized in that, described metering module can calculate girth and the area of remote objects.
6. the laser measuring device for measuring of the long-range macro object length of measurement according to claim 1 and area, is characterized in that, described laser instrument is visible laser.
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| CN105444729A (en) * | 2015-12-13 | 2016-03-30 | 重庆桑耐美光电科技有限公司 | Method for measuring optical long distance |
| CN106764892A (en) * | 2016-12-27 | 2017-05-31 | 扬州市光宇照明有限公司 | A kind of integral solar street lamp |
| CN108398083A (en) * | 2018-01-29 | 2018-08-14 | 湖南三德科技股份有限公司 | A kind of compartment localization method and positioning device |
| CN108613627A (en) * | 2018-04-12 | 2018-10-02 | 湘潭大学 | A kind of mobile phone and its measurement method measuring function with straight length |
| CN111854651A (en) * | 2020-07-20 | 2020-10-30 | 武汉科技大学 | Indoor building area real-time measuring method based on SLAM |
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| CN111854651A (en) * | 2020-07-20 | 2020-10-30 | 武汉科技大学 | Indoor building area real-time measuring method based on SLAM |
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Effective date of registration: 20220331 Address after: 261021 plant 4, semiconductor (laser) Industrial Park, Weicheng District, Weifang City, Shandong Province Patentee after: Zhang Xiaofu Address before: 102218 room 16-7-101, zone 1, Tiantong Dongyuan, Changping District, Beijing Patentee before: Ding Qianxun Patentee before: Zhang Xiaofu |
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