CN105509706A - Angle-variable optical measurement device method - Google Patents
Angle-variable optical measurement device method Download PDFInfo
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- CN105509706A CN105509706A CN201510938094.1A CN201510938094A CN105509706A CN 105509706 A CN105509706 A CN 105509706A CN 201510938094 A CN201510938094 A CN 201510938094A CN 105509706 A CN105509706 A CN 105509706A
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- generating laser
- erection column
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- laser
- angle
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides an angle-variable optical measurement device which comprises a supporting frame and a laser transmitter. The laser transmitter is installed on the supporting frame. The laser transmitter emits a pair of parallel light and angle-variable light rays. The angular bisector of a corner coincides with one beam of the parallel light, and the interval of the parallel light can be regulated. The invention further provides an optical measurement method. A light source irradiates a measured object, the measured object and light spots formed by laser irradiation on the object are observed through a telescope with division scales. The interval of the light spots is measured through scales of a division plate in the telescope, and the size of the measured object and then the distance between the measured object and the laser transmitter are measured. The device and the method have the advantages that the distance between the measured object and the measuring point, the length, the height and other sizes of the measured object and the included angle of the measured object and the measurement direction can be measured, and the angle-variable optical measurement device can adapt to the sizes of different measured objects by regulating the angle and/or the interval of the parallel light.
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 and survey long deviation comparatively greatly, or to range finding subject matter, there is optionally problem.
The present invention proposes a kind of optical measuring device of variable-angle, containing bracing frame and generating laser, generating laser is installed on bracing frame; Described generating laser is point source emitters, and described generating laser comprises the first generating laser, the second generating laser, the 3rd generating laser and the 4th generating laser; The light that wherein the first generating laser and the second generating laser send is parallel to each other, at an angle, the light that angular bisector and the first generating laser or second generating laser of described angle send overlaps the light that 3rd generating laser and the 4th generating laser send; Described bracing frame be provided with erection column, described generating laser is placed in erection column; Described erection column comprises the first erection column, the second erection column, the 3rd erection column and the 4th erection column; The second described erection column is fixed on bracing frame, the 3rd described erection column, the 4th erection column are located at on the movable part of the post heart line of the second erection column included-angle-changeable that is angular bisector respectively, the post heart line of the 3rd erection column and the 4th erection column with the post heart line of the second erection column for angular bisector; The post heart line of the first described erection column and the second erection column is parallel to each other.
Especially, the frame of support frame as described above is as cuboid, and bracing frame is provided with guide rail, slide block and cushion block, and the distance between guide rail and cushion block is less than the width dimensions of slide block; Described guide rail is fixed on it the frame of bracing frame, and described slide block and guide rail can along slide; The first described erection column is fixed on slide block.
Especially, the frame of support frame as described above is as cuboid, and bracing frame also comprises the 5th erection column and the 6th erection column; The post heart line parallel of the 5th described erection column, the post heart line of the 6th erection column and the first erection column is also separated with certain distance each other.
Further, in the 5th described erection column and the 6th erection column, the 5th generating laser and the 6th generating laser are also housed; The 5th described generating laser and the 6th generating laser are pointolite generating laser, the light ray parallel that its light sent all sends with the first generating laser spaced certain distance.
Further, each erection column corresponding is also provided with some groups of adjustment holes, and each group adjustment hole is two, is 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.
The invention allows for a kind of measuring method, comprise following steps: be irradiated on testee by the light of laser transmitter projects, the line segment direction of the line and required survey that make the 3rd generating laser and the 4th generating laser irradiate hot spot on testee is parallel to each other, observe testee by suitable enlargement factor and with the telescope of graduation and on object, irradiated the hot spot formed by laser again, or take testee with the camera of suitable focal length and irradiated the hot spot formed on the surface 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, definition: the second generating laser is F with the distance being radiated at hot spot on testee that emitted beam by the second generating laser, the laser spacing that first generating laser and the second generating laser send is L, the light angle that 3rd generating laser and the 4th generating laser send is 2*A, and its angular bisector overlaps with the light sent with the first generating laser or the second generating laser, the angle on the vertical plane that the first generating laser or the second 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, the first generating laser and the second generating laser is a, the irradiation spot separation of the 3rd generating laser and the second generating laser is b, the irradiation spot separation of the 4th generating laser and the second generating laser is c, described computing method are as follows:
1., when the light beam that the first generating laser or the second generating laser send and testee are basic vertical, the physical size of testee is: L*H/a; 3rd generating laser and the physical size of the second generating laser between the irradiation hot spot of testee are: L*b/a; Second generating laser is F=(L*b/a) * ctgA with the distance being radiated at hot spot on testee that emitted beam by the second generating laser;
2. the light beam sent when the first generating laser or the second generating laser and testee out of plumb, but its vertical plane and testee surface are when having certain included angle B, 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;
3rd generating laser and the physical size of the second generating laser between the irradiation hot spot of testee are: (L*b/a)/cosB;
Second generating laser is F=(L*b/a) * (ctgA+tgB) with the distance being radiated at hot spot on testee that emitted beam by the second generating laser.
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 pass through to select the source of parallel light different from the second generating laser spacing, to adapt to the size of different testees.
(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 the structural representation of embodiment one.
Accompanying drawing 2 is the vertical view of embodiment two.
Accompanying drawing 3 be parallel rays and testee surface vertical case time light path schematic diagram.
Accompanying drawing 4 be parallel rays and testee surface out of plumb time light path schematic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.
Embodiment one
As shown in Figure 1, a kind of optical measuring device of variable-angle, comprises bracing frame 100 and generating laser, and described generating laser is pointolite generating laser; Described bracing frame 100 is provided with erection column; Described erection column comprises the first erection column 200, second erection column 300, the 3rd erection column 500 and the 4th erection column 400; The second described erection column 200 is fixed on bracing frame, the 3rd described erection column 500, the 4th erection column 400 are located at on the movable part 1200 of the post heart line of the second erection column included-angle-changeable that is angular bisector respectively, movable part 1200 is fixed by the fixed block 900 fixing the second erection column 300, can change the angle between the 3rd erection column 500 and the 4th erection column by movable part; The post heart line of the 3rd erection column 500 and the 4th erection column 400 with the post heart line of the second erection column 300 for angular bisector, and all at grade; 3rd erection column 500 is provided with reference column 1000, and the 4th erection column is provided with movable guide block 1100, and movable guide block 1100 is provided with guide groove, and reference column 1000 is limited in guide groove; The first described erection column 200 and the post heart line of the second erection column 300 are parallel to each other; Described generating laser comprises the first generating laser, the second generating laser, the 3rd generating laser and the 4th generating laser, is installed in the first erection column, the second erection column, the 3rd erection column and the 4th erection column respectively; The light that wherein the first generating laser and the second generating laser send is parallel to each other, the light that 3rd generating laser and the 4th generating laser send is fixed angle, and the light that angular bisector and the first generating laser or second generating laser of described fixed angle send overlaps; Each erection column corresponding is also provided with some groups of adjustment holes 600, 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; The first described erection column and the second erection column are also provided with mounting hole 700, and the frame of corresponding bracing frame is provided with screw with it, and the screw of available coupling specification passes mounting hole 700 and is tightened on bracing frame; The frame body of bracing frame is also provided with the connecting hole 1500 of exterior part, can be installed the equipment of camera or other photo imaging by connecting hole; Also be provided with rule 800 at bracing frame dorsal part, the spacing between the first generating laser and the second generating laser can be read easily by rule 800.
As Fig. 3, shown in Fig. 4, the invention allows for a kind of measuring method, comprise the following steps: the light of laser transmitter projects is irradiated on testee, the line segment direction of the line and required survey that make the 3rd generating laser and the 4th generating laser irradiate hot spot on testee is parallel to each other, observe testee by suitable enlargement factor and with the telescope of graduation and on object, irradiated the hot spot formed by laser again, or take testee with the camera of suitable focal length and irradiated the hot spot formed on the surface 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 second generating laser with emitted beam by the second generating laser that to be radiated at hot spot distance on testee be F, the laser spacing that first generating laser and the second generating laser send is L, the light angle that 3rd generating laser and the 4th generating laser send is 2*A, and its angular bisector overlaps with the light sent with the first generating laser or the second generating laser, the angle on the vertical plane that the first generating laser or the second 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 MN certain distance that testee is of a size of H, the first generating laser and the second generating laser is a, the irradiation hot spot PM certain distance of the 3rd generating laser and the second generating laser is b, the irradiation hot spot QM certain distance of the 4th generating laser and the second generating laser is c, described computing method are as follows:
1., when the light beam that the first generating laser or the second generating laser send and testee are basic vertical, the physical size of testee is: L*H/a; The physical size of the irradiation hot spot PM spacing on the 3rd generating laser and the second testee surface, generating laser place is: L*b/a; Second generating laser is F=(L*b/a) * ctgA with the O1M segment distance being radiated at hot spot on testee that emitted beam by the second generating laser;
2. the light beam sent when the first generating laser or the second generating laser and testee out of plumb, and 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) calculates, and only has B unknown number, can try to achieve result by computer in formula; The physical size of testee is: (L*H/a)/cosB; The physical size of the irradiation hot spot PM section on the 3rd generating laser and the second testee surface, generating laser place is: (L*b/a)/cosB; Second generating laser with the O1M segment distance being radiated at hot spot on testee that emitted beam by the second generating laser is:
F＝(L*b/a)*(ctgA+tgB)。
Embodiment two
As shown in Figure 2, described bracing frame also comprises the 5th erection column 1300 and the 6th erection column 1400; The post heart line parallel of the 5th described erection column 1300, the post heart line of the 6th erection column 1400 and the first erection column 200 is also separated with certain distance each other; 5th erection column and the 6th erection column are equipped with the 5th generating laser, the 6th generating laser respectively; The 5th described generating laser and the 6th generating laser are pointolite generating laser, the light ray parallel of its light launched and the first laser transmitter projects.By selecting the 5th generating laser or the 6th generating laser as the alternative source of light of the first generating laser, thus change the spacing between the second generating laser, can according to testee size Selection suitable sources to improve measuring accuracy during actual test.The measuring method of the present embodiment and computing method identical with embodiment one.
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 the angle of the 3rd generating laser and the 4th generating laser, the transmitting illuminant of the different spacing parallel with the second generating laser can also be selected, the size of different testees can be adapted to, improve the precision of measurement.
(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.
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. an optical measuring device for variable-angle, is characterized in that: comprise bracing frame and generating laser, and generating laser is installed on bracing frame; Described generating laser is point source emitters, and described generating laser comprises the first generating laser, the second generating laser, the 3rd generating laser and the 4th generating laser; The light that wherein the first generating laser and the second generating laser send is parallel to each other, at an angle, the light that angular bisector and the first generating laser or second generating laser of described angle send overlaps the light that 3rd generating laser and the 4th generating laser send; Described bracing frame be provided with erection column, described generating laser is placed in erection column; Described erection column comprises the first erection column, the second erection column, the 3rd erection column and the 4th erection column; The second described erection column is fixed on bracing frame, the 3rd described erection column, the 4th erection column are located at on the movable part of the post heart line of the second erection column included-angle-changeable that is angular bisector respectively, the post heart line of the 3rd erection column and the 4th erection column with the post heart line of the second erection column for angular bisector; The post heart line of the first described erection column and the second erection column is parallel to each other.
2. the optical measuring device of a kind of variable-angle according to claim 1, is characterized in that: the frame of support frame as described above is as cuboid, and bracing frame also comprises the 5th erection column and the 6th erection column; The post heart line parallel of the 5th described erection column, the post heart line of the 6th erection column and the first erection column is also separated with certain distance each other.
3. the optical measuring device of a kind of variable-angle according to claim 2, is characterized in that: in the 5th described erection column and the 6th erection column, the 5th generating laser and the 6th generating laser are also housed; The 5th described generating laser and the 6th generating laser are pointolite generating laser, the light ray parallel that its light sent all sends with the first generating laser spaced certain distance.
4. the optical measuring device of a kind of variable-angle according to claim 1,2 or 3, it is characterized in that: each erection column corresponding is also provided with some groups of adjustment holes, each group adjustment hole is two, is located at the middle part of corresponding erection column sidewall and the outer end of erection column sidewall respectively.
5. the optical measuring device of a kind of variable-angle according to claim 1,2 or 3, 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.
6. the optical measuring device of a kind of variable-angle according to claim 1,2 or 3, is characterized in that: described bracing frame dorsal part is also provided with rule.
7. the optical measuring device of a kind of variable-angle according to claim 1,2 or 3, is characterized in that: the first described erection column and the second erection column are provided with mounting hole.
8. a measuring method, it is characterized in that: comprise following steps: the light of laser transmitter projects is irradiated on testee, the line segment direction of the line and required survey that make the 3rd generating laser and the 4th generating laser irradiate hot spot on testee is parallel to each other, observe testee by suitable enlargement factor and with the telescope of graduation and on object, irradiated the hot spot formed by laser again, or take testee with the camera of suitable focal length and irradiated the hot spot formed on the surface 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, definition: the second generating laser is F with the distance being radiated at hot spot on testee that emitted beam by the second generating laser, the laser spacing that first generating laser and the second generating laser send is L, the light angle that 3rd generating laser and the 4th generating laser send is 2*A, and its angular bisector overlaps with the light sent with the first generating laser or the second generating laser, the angle on the vertical plane that the first generating laser or the second 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, the first generating laser and the second generating laser is a, the irradiation spot separation of the 3rd generating laser and the second generating laser is b, the irradiation spot separation of the 4th generating laser and the second generating laser is c, described computing method are as follows:
1., when the light beam that the first generating laser or the second generating laser send and testee are basic vertical, the physical size of testee is: L*H/a; 3rd generating laser and the physical size of the second generating laser between the irradiation hot spot of testee are: L*b/a; Second generating laser is F=(L*b/a) * ctgA with the distance being radiated at hot spot on testee that emitted beam by the second generating laser;
2. the light beam sent when the first generating laser or the second generating laser and testee out of plumb, but its vertical plane and testee surface are when having certain included angle B, 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;
3rd generating laser and the physical size of the second generating laser between the irradiation hot spot of testee are: (L*b/a)/cosB;
Second generating laser is F=(L*b/a) * (ctgA+tgB) with the distance being radiated at hot spot on testee that emitted beam by the second generating laser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510938094.1A CN105509706A (en) | 2015-12-13 | 2015-12-13 | Angle-variable optical measurement device method |
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| CN201510938094.1A CN105509706A (en) | 2015-12-13 | 2015-12-13 | Angle-variable optical measurement device method |
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Cited By (2)
| 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 measuring method and device, camera and mobile terminal |
| CN109655837A (en) * | 2017-10-10 | 2019-04-19 | 大族激光科技产业集团股份有限公司 | A kind of laser distance measurement method and laser range finder |
-
2015
- 2015-12-13 CN CN201510938094.1A patent/CN105509706A/en active Pending
Cited By (3)
| 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 measuring method and device, camera and mobile terminal |
| CN109655837A (en) * | 2017-10-10 | 2019-04-19 | 大族激光科技产业集团股份有限公司 | A kind of laser distance measurement method and laser range finder |
| CN109655837B (en) * | 2017-10-10 | 2020-10-30 | 大族激光科技产业集团股份有限公司 | Laser ranging method and laser range finder |
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Application publication date: 20160420 |