CN105423999A - Measurement device with adjustable light source distance and measurement method - Google Patents
Measurement device with adjustable light source distance and measurement method Download PDFInfo
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- CN105423999A CN105423999A CN201510938074.4A CN201510938074A CN105423999A CN 105423999 A CN105423999 A CN 105423999A CN 201510938074 A CN201510938074 A CN 201510938074A CN 105423999 A CN105423999 A CN 105423999A
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- testee
- generating laser
- erection column
- cross curve
- relicle
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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
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a measurement device with an adjustable light source distance. The measurement device comprises a supporting frame and laser transmitters, wherein the laser transmitters are mounted on the supporting frame and comprise a point light source laser transmitter and a cross line laser transmitter, and cross light rays transmitted by the cross line laser transmitter are parallel with light rays of the point light source laser transmitter; a guide rail, a slide block and a cushion block are arranged on the supporting frame; the guide rail is fixed on a body of the supporting frame and matched with the slide block; two mounting columns are further arranged on the supporting frame and mounted on the slide block and the cushion block respectively; column core lines of a first mounting column and a second mounting column are parallel with each other. The invention further provides a measurement method. The measurement device and the measurement method have the advantages as follows: distances between measured objects and measurement points, sizes such as the length, the height and the like of the measured objects as well as included angles formed by the measured objects and measurement directions can be measured, the distance between a point light source and a cross light source can be adjusted through the slide block, and the method and the device can be adapted to sizes of the different measured objects.
Description
Technical field
The present invention relates to field of optical measurements, be specifically related to optical ranging and survey long field.
Background technology
The equipment of current energy telemeasurement distance, mainly contains laser range finder and telescopic range finder.The former travels to and fro between the time of measuring equipment and testee by measuring light, then the light velocity applied in known air is to calculate measuring distance; The latter is by the graticule of mounting strap scale in telescope, and the scale size that the size of the familiar object arrived according to the observation and the image in telescope occupy carrys out estimated distance in proportion, also can estimate height or the length dimension of other objects observed simultaneously.Because laser range finder needs to receive the light reflected, so testee surface needs substantially vertical with the light sent when measuring, and will there be certain reflective function on its surface.Which limits the convenience of its usable range and operation.Telescopic range finder (range-finding telescope) needs the size of an estimation object, and do equal proportion calculate, actual can not Measurement accuracy distance.Patent 201420808695.1 discloses a kind of measuring equipment, and it adopts the directional light calibration measurements object of two bundle fixed ranges, and calculates testee according to the ratio of testee in measurement image and spot distance.Adopt the directional light calibration measurements object of two bundle fixed ranges and the method measuring object can not measure the distance of measured object and measurement point, and measured deviation is larger when testee and direction of measurement out of plumb.
Summary of the invention
The object of the invention is to solve optical ranging deviation comparatively large, or to range finding subject matter, there is optionally problem.
The present invention proposes the measurement mechanism that a kind of space between light sources is adjustable, comprise bracing frame and generating laser, generating laser is installed on bracing frame; Described generating laser comprises point source emitters and cross curve generating laser, and the light of the cross intersection point that described cross curve generating laser sends and pointolite generating laser are parallel to each other; The frame of support frame as described above is as cuboid, and bracing frame is provided with guide rail, slide block and cushion block; Described guide rail is fixed on it the frame of bracing frame, and described slide block and guide rail can along slide; Bracing frame is also provided with erection column, and described erection column comprises the first erection column and the second erection column; The first described erection column is fixed on slide block; The second described erection column is fixed on cushion block; The post heart line of the first erection column and the second erection column is parallel to each other.
Further, the first described erection column and the second erection column are also provided with two groups of adjustment holes, often organize adjustment hole and are two, be located at the middle part of corresponding erection column sidewall and the outer end of erection column sidewall respectively.
Further, the frame body of support frame as described above is provided with connecting hole or the link slot of exterior part.
Further, described bracing frame dorsal part is also provided with rule.
Further, the zero graduation line of support frame as described above dorsal part rule aligns with the post heart line of the erection column be installed on cushion block.
Further, the distance between guide rail and cushion block is less than the width dimensions of slide block.
The invention allows for a kind of measuring method, comprise following steps: by the light source irradiation of laser transmitter projects on testee, the horizontal line of the cross hot spot that testee is irradiated by cross curve generating laser must be parallel to each other with by profile section, observe testee by suitable enlargement factor and with the telescope of graduation and on object, irradiated the hot spot formed by laser again, or irradiated with the camera of suitable focal length shooting testee and surperficial subscript thereof the hot spot formed by laser, then spot separation is measured by the scale on graticule in telescope, or directly measure without the spot separation on the photo of editor's distortion, the size of testee and the distance between testee and generating laser is calculated again by corresponding computing method, for clearly stating computing method and formula, definition: the hot spot distance of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F, the venter of relicle spacing that the cross curve generating laser of the light that the selected pointolite generating laser measured sends and measurement sends is L, the bright dipping subtended angle of cross curve generating laser is 2*A, the angle on the vertical plane that the venter of relicle light measured and pointolite generating laser emit beam and testee surface is B, through telescopical graticule scale or by without editor's distortion photo directly measures: the irradiation spot separation that testee is of a size of H, venter of relicle and pointolite is a, the spacing of cross curve left end venter of relicle hot spot is b, cross curve right-hand member is c to the spacing of venter of relicle hot spot, described computing method are as follows:
1. when the cross intersection point light beam that pointolite generating laser or the cross curve generating laser of selected measurement send and testee surface are basic vertical:
The physical size of testee is: L*H/a;
Cross curve left end to the measured object physical size of venter of relicle hot spot is: L*b/a;
The hot spot actual range of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F=(L*b/a) * ctgA;
2. the cross intersection point light beam sent when pointolite generating laser or the cross curve generating laser of selected measurement and testee surface out of plumb, but when there is certain included angle B on its vertical plane and testee surface:
Included angle B can be drawn by c/b=tgA* (cosB+sinB*tg (A+B)) * (sinB+cosB/tgA) formulae discovery; The physical size of testee is: (L*H/a)/cosB;
Cross curve left end to the measured object physical size of venter of relicle hot spot is: (L*b/a)/cosB;
The hot spot actual range of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F=(L*b/a) * (ctgA+tgB).
The invention has the beneficial effects as follows:
(1) can not only measure the distance between measured object and measurement point, the angle of the length of measured object, highly equidimension and testee and direction of measurement can also be measured simultaneously.
(2) can adjust spacing between pointolite generating laser and cross curve generating laser by slide block, the size of different testees can be adapted to, and improve measuring accuracy.
(3) bracing frame has rule, very convenient for the actual pitch read between parallel light spots.
(4) have employed the parallel beam of determining spacing and determine that the transmitted beam of emission angle is irradiated testee, demarcated, making measurement result more accurate.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is backsight Local map of the present invention.
Accompanying drawing 3 is backplan of the present invention.
Accompanying drawing 4 be parallel rays and testee surface vertical case time light path schematic diagram.
Light path schematic diagram when accompanying drawing 5 parallel rays and testee surface out of plumb.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.
As shown in Figure 1, Figure 2, Figure 3 shows, the measurement mechanism that a kind of space between light sources is adjustable, comprises bracing frame and generating laser, and generating laser is installed on bracing frame; Described generating laser comprises point source emitters and cross curve generating laser; The frame body 100 of support frame as described above is cuboid, and bracing frame is provided with guide rail 200, slide block 300 and cushion block 400, and the distance between guide rail 200 and cushion block 400 is less than the width dimensions of slide block 300, in case limited slip block skids off guide rail by back cushion block side; Described slide block 300 mates with guide rail 200, can along slide; Described guide rail 300 is fixed by screws on the frame body 100 of bracing frame; Bracing frame is also provided with erection column, and described erection column comprises the first erection column 500, second erection column 600; The first described erection column 500 is fixed on slide block 300, and pointolite generating laser is arranged in the first erection column 500; The second described erection column 600 is fixed on cushion block 400, and the post heart line of the first erection column 500 and the second erection column 600 is parallel to each other; Cross curve generating laser is arranged in the second erection column, and the light that the cross intersection point light of cross curve laser transmitter projects and pointolite generating laser send is parallel to each other; The first described erection column and the second erection column are also provided with two groups of adjustment holes 800, each group adjustment hole is two, be located at the middle part of corresponding erection column sidewall and the outer end of erection column sidewall respectively, adjusting bolt can be connected at adjustment hole, can to adjust the position of generating laser with fixed laser transmitter, prevent it from tilting; Each erection column described is provided with installs via hole 700, and described installation via hole is provided with the screw of size coupling at the correspondence position of slide block and cushion block, can with it the frame mating screw and to be fixed on by erection column bracing frame by installing via hole 700 and screw; The frame body of bracing frame is also provided with the connecting hole 900 of exterior part, can be installed the equipment of camera or other photo imaging by connecting hole; Also be provided with rule 1000 at bracing frame dorsal part, the zero graduation line of rule 1000 aligns with the post heart line of erection column 600.
As Fig. 4, shown in Fig. 5, the invention allows for a kind of measuring method, comprise following steps: by the light source irradiation of laser transmitter projects on testee, the horizontal line of the cross hot spot that testee is irradiated by cross curve generating laser must be parallel to each other with by profile section, observe testee by suitable enlargement factor and with the telescope of graduation and on object, irradiated the hot spot formed by laser again, or irradiated with the camera of suitable focal length shooting testee and surperficial subscript thereof the hot spot formed by laser, then spot separation is measured by the scale on graticule in telescope, or directly measure without the spot separation on the photo of editor's distortion, the size of testee and the distance between testee and generating laser is calculated again by corresponding computing method, for clearly stating computing method and formula, definition: the hot spot O1-M segment distance of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F, the venter of relicle O1-O2 certain distance that the cross curve generating laser of the light that the selected pointolite generating laser measured sends and measurement sends is L, the bright dipping subtended angle of cross curve generating laser is 2*A, the angle on the vertical plane that the venter of relicle light measured and pointolite generating laser emit beam and testee surface is B, through telescopical graticule scale or by without editor's distortion photo directly measures: the irradiation hot spot M-N certain distance that testee is of a size of H, venter of relicle and pointolite is a, cross curve left end is b to the P-M certain distance of venter of relicle hot spot, cross curve right-hand member is c to the M-Q certain distance of venter of relicle hot spot, described computing method are as follows:
1. when the cross intersection point light beam that pointolite generating laser or the cross curve generating laser of selected measurement send and testee surface are basic vertical:
The physical size of testee is: L*H/a;
Cross curve left end to the measured object physical size of venter of relicle hot spot is: L*b/a;
The hot spot actual range of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F=(L*b/a) * ctgA;
2. the cross intersection point light beam sent when pointolite generating laser or the cross curve generating laser of selected measurement and testee surface out of plumb, but its vertical plane and testee surface are when having certain included angle B, owing to being approximately projection size from telescopical graticule or the P-M section directly recorded from photo and M-N section size in remote situation, the three-dimensional scenic with depth is also imaged onto in a plane, longitudinal size is compressed to zero, that is to say and from telescope, see that P-M section spot size is equal with P-M1 section size at measurement light source place, M-N section spot size is also equal with M-N1 section size, therefore, M-N1 section size is equal with the ratio of P-M section size with M-N section size with the ratio of P-M1 section size, included angle B can pass through formula:
C/b=tgA* (cosB+sinB*tg (A+B)) * (sinB+cosB/tgA) formulae discovery draws; The physical size of testee is: (L*H/a)/cosB;
Cross curve left end to the measured object physical size of venter of relicle hot spot is: (L*b/a)/cosB;
The hot spot actual range of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F=(L*b/a) * (ctgA+tgB).
During use, also there is due to cross curve generating laser the transmitted beam on vertical direction, use same surveying and calculating method can to measure the dimension of object on vertical direction.
Above, be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the measurement mechanism that space between light sources is adjustable, is characterized in that: comprise bracing frame and generating laser, and generating laser is installed on bracing frame; Described generating laser comprises pointolite generating laser and cross curve generating laser, and the light of the cross intersection point that described cross curve generating laser sends and pointolite generating laser are parallel to each other; The frame of support frame as described above is as cuboid, and bracing frame is provided with guide rail, slide block and cushion block; Described guide rail is fixed on it the frame of bracing frame, and described slide block and guide rail can along slide; Bracing frame is also provided with erection column, and described erection column comprises the first erection column and the second erection column; The first described erection column is fixed on slide block, and pointolite generating laser is housed; The second described erection column is fixed on cushion block, and cross curve generating laser is housed; The post heart line of the first erection column and the second erection column is parallel to each other.
2. the measurement mechanism that a kind of space between light sources according to claim 1 is adjustable, it is characterized in that: the first described erection column and the second erection column are also provided with two groups of adjustment holes, often organize adjustment hole and be two, be located at the middle part of corresponding erection column sidewall and the outer end of erection column sidewall respectively.
3. the measurement mechanism that a kind of space between light sources according to claim 1 is adjustable, is characterized in that: the frame body of support frame as described above is provided with connecting hole or the link slot of exterior part.
4. the measurement mechanism that a kind of space between light sources according to claim 1,2 or 3 is adjustable, is characterized in that: described bracing frame dorsal part is also provided with rule.
5. the measurement mechanism that a kind of space between light sources according to claim 1,2 or 3 is adjustable, is characterized in that: the zero graduation line of support frame as described above dorsal part rule aligns with the post heart line of the erection column be installed on cushion block.
6. the measurement mechanism that a kind of space between light sources according to claim 1,2 or 3 is adjustable, is characterized in that: each erection column described is provided with installation via hole, and described installation via hole is provided with the screw of size coupling at the correspondence position of slide block and cushion block.
7. the measurement mechanism that a kind of space between light sources according to claim 1,2 or 3 is adjustable, is characterized in that: the distance between guide rail and cushion block is less than the width dimensions of slide block.
8. a measuring method, it is characterized in that: comprise following steps: by the light source irradiation of laser transmitter projects on testee, the horizontal line of the cross hot spot that testee is irradiated by cross curve generating laser must be parallel to each other with by profile section, observe testee by suitable enlargement factor and with the telescope of graduation and on object, irradiated the hot spot formed by laser again, or irradiated with the camera of suitable focal length shooting testee and surperficial subscript thereof the hot spot formed by laser, then spot separation is measured by the scale on graticule in telescope, or directly measure without the spot separation on the photo of editor's distortion, the size of testee and the distance between testee and generating laser is calculated again by corresponding computing method, for clearly stating computing method and formula, definition: the hot spot distance of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F, the venter of relicle spacing that the cross curve generating laser of the light that the selected pointolite generating laser measured sends and measurement sends is L, the bright dipping subtended angle of cross curve generating laser is 2*A, the angle on the vertical plane that the venter of relicle light measured and pointolite generating laser emit beam and testee surface is B, through telescopical graticule scale or by without editor's distortion photo directly measures: the irradiation spot separation that testee is of a size of H, venter of relicle and pointolite is a, the spacing of cross curve left end venter of relicle hot spot is b, cross curve right-hand member is c to the spacing of venter of relicle hot spot, described computing method are as follows:
1. when the cross intersection point light beam that pointolite generating laser or the cross curve generating laser of selected measurement send and testee surface are basic vertical:
The physical size of testee is: L*H/a;
Cross curve left end to the measured object physical size of venter of relicle hot spot is: L*b/a;
The hot spot actual range of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F=(L*b/a) * ctgA;
2. the cross intersection point light beam sent when pointolite generating laser or the cross curve generating laser of selected measurement and testee surface out of plumb, but when there is certain included angle B on its vertical plane and testee surface:
Included angle B can be drawn by c/b=tgA* (cosB+sinB*tg (A+B)) * (sinB+cosB/tgA) formulae discovery; The physical size of testee is: (L*H/a)/cosB;
Cross curve left end to the measured object physical size of venter of relicle hot spot is: (L*b/a)/cosB;
The hot spot actual range of the venter of relicle that cross curve laser transmitter projects end irradiates on testee to it is F=(L*b/a) * (ctgA+tgB).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510938074.4A CN105423999A (en) | 2015-12-13 | 2015-12-13 | Measurement device with adjustable light source distance and measurement method |
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| CN201510938074.4A CN105423999A (en) | 2015-12-13 | 2015-12-13 | Measurement device with adjustable light source distance and measurement method |
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| CN105423999A true CN105423999A (en) | 2016-03-23 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546216A (en) * | 2016-11-01 | 2017-03-29 | 广州视源电子科技股份有限公司 | Distance measurement method, device, camera and mobile terminal |
| CN109162230A (en) * | 2018-09-19 | 2019-01-08 | 楼栋梁 | Laser stall system |
| CN109269421A (en) * | 2018-09-14 | 2019-01-25 | 李刚 | Omnipotent shooting measuring scale |
| CN109443540A (en) * | 2018-09-25 | 2019-03-08 | 北京理工大学 | A kind of more plane accurate positioning devices in space |
| CN110672025A (en) * | 2019-11-11 | 2020-01-10 | 中国商用飞机有限责任公司 | On-board equipment spacing conformance checking tool and method |
| CN110806196A (en) * | 2019-11-28 | 2020-02-18 | 广东博智林机器人有限公司 | Laser level meter |
| CN111238456A (en) * | 2020-03-05 | 2020-06-05 | 北京崇建工程有限公司 | Measuring tool and measuring method |
| CN115247397A (en) * | 2021-04-28 | 2022-10-28 | 广东博智林机器人有限公司 | Positioning device and marking equipment |
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2015
- 2015-12-13 CN CN201510938074.4A patent/CN105423999A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546216A (en) * | 2016-11-01 | 2017-03-29 | 广州视源电子科技股份有限公司 | Distance measurement method, device, camera and mobile terminal |
| CN109269421A (en) * | 2018-09-14 | 2019-01-25 | 李刚 | Omnipotent shooting measuring scale |
| CN109162230A (en) * | 2018-09-19 | 2019-01-08 | 楼栋梁 | Laser stall system |
| CN109443540A (en) * | 2018-09-25 | 2019-03-08 | 北京理工大学 | A kind of more plane accurate positioning devices in space |
| CN109443540B (en) * | 2018-09-25 | 2021-04-20 | 北京理工大学 | Plane positioning device suitable for accurate temperature measurement of infrared thermometer |
| CN110672025A (en) * | 2019-11-11 | 2020-01-10 | 中国商用飞机有限责任公司 | On-board equipment spacing conformance checking tool and method |
| CN110806196A (en) * | 2019-11-28 | 2020-02-18 | 广东博智林机器人有限公司 | Laser level meter |
| CN110806196B (en) * | 2019-11-28 | 2022-04-29 | 广东博智林机器人有限公司 | Laser level meter |
| CN111238456A (en) * | 2020-03-05 | 2020-06-05 | 北京崇建工程有限公司 | Measuring tool and measuring method |
| CN115247397A (en) * | 2021-04-28 | 2022-10-28 | 广东博智林机器人有限公司 | Positioning device and marking equipment |
| CN115247397B (en) * | 2021-04-28 | 2023-09-26 | 广东博智林机器人有限公司 | Positioning device and scribing equipment |
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