CN105486277A - Slide rail type optical measuring device capable of changing angles and measuring method - Google Patents
Slide rail type optical measuring device capable of changing angles and measuring method Download PDFInfo
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- CN105486277A CN105486277A CN201510939857.4A CN201510939857A CN105486277A CN 105486277 A CN105486277 A CN 105486277A CN 201510939857 A CN201510939857 A CN 201510939857A CN 105486277 A CN105486277 A CN 105486277A
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- generating laser
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- laser
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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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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a slide rail type optical measuring device capable of changing angles, which comprises a support frame and a laser transmitter, wherein the laser transmitter is arranged on the support frame, the laser transmitter sends out a pair of parallel lights capable of adjusting distance and a light ray capable of adjusting angles, an angle bisector of the angles is coincided with one of the parallel lights, and the distances of the parallel lights can be adjusted. The invention further provides an optical measuring method, wherein a light source is irradiated on a measured object, then the measured object and light spots which are formed on the measured object by being irradiated through lasers are observed through a telescope with divided scales, the distances between the light spots are measured through scales of a divided plate in the telescope, and the size of the measured object and the distance between the measured object and the laser transmitter are calculated. The slide rail type optical measuring device capable of changing angles has the advantages that the slide rail type optical measuring device capable of changing angles can measure the distance between the measured object and measured points, the sizes of the measured object such as length and height and the like and the included angles between the measured object and a measured direction, and can be suitable for different sizes of measured objects by adjusting angles and/or the distances between the parallel lights.
Description
Technical field
The present invention relates to fields of measurement, 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 slide rail type optical measuring device of variable-angle, comprise 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; 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.
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 adjust spacing between the first generating laser and the second generating laser by slide block, the size of different testees can be adapted to.
(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 backplan of the present invention.
Accompanying drawing 3 is rear view of the present invention local.
Accompanying drawing 4 be parallel rays and testee surface vertical case time light path schematic diagram.
Accompanying drawing 5 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 slide rail type 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, cushion block 800 and guide rail 600; Described guide rail 600 is fixed on bracing frame, and guide rail is provided with the slide block 700 of coupling, and slide block 700 can along slide; Described erection column comprises the first erection column 200, second erection column 300, the 3rd erection column 400 and the 4th erection column 500; The first described erection column 200 is fixed on slide block 700, the second described erection column 300 is fixed on cushion block 800, the 3rd described erection column 400, the 4th erection column 500 are located at respectively with on the movable part 1000 of the post heart line of the second erection column 300 included-angle-changeable that is angular bisector, can change the angle between the 3rd erection column 400 and the 4th erection column 500 by movable part 1000; The post heart line of the 3rd erection column 400 and the 4th erection column 500 with the post heart line of the second erection column 300 for angular bisector, and all at grade; 3rd erection column 400 is provided with reference column 1200, 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 1200 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 900, 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 frame body of bracing frame is also provided with the connecting hole 1300 of exterior part, can be installed the equipment of camera or other photo imaging by connecting hole; Also be provided with rule 1400 at bracing frame dorsal part, the spacing between the first generating laser and the second generating laser can be read easily by rule 1400.
As Fig. 4, shown in Fig. 5, 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 and formula, with reference to shown in accompanying drawing 5: 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)。
Actual when using, can continuously change spacing between the first generating laser and the second generating laser by adjustment slide block, required size can better be selected to improve measuring accuracy.
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 parallel distance between the first generating laser and the second generating laser can also be adjusted, 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 (5)
1. a slide rail type optical measuring device for variable-angle, it is characterized in that: comprise 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; 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.
2. the slide rail type optical measuring device of a kind of variable-angle according to claim 1, 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.
3. the slide rail type optical measuring device of a kind of variable-angle according to claim 1 and 2, 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 slide rail type optical measuring device of a kind of variable-angle according to claim 1 and 2, is characterized in that: described bracing frame dorsal part is also provided with rule.
5. 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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| CN201510939857.4A CN105486277A (en) | 2015-12-13 | 2015-12-13 | Slide rail type optical measuring device capable of changing angles and measuring method |
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| CN201510939857.4A CN105486277A (en) | 2015-12-13 | 2015-12-13 | Slide rail type optical measuring device capable of changing angles and measuring method |
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| CN105486277A true CN105486277A (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111445529A (en) * | 2020-03-16 | 2020-07-24 | 天目爱视（北京）科技有限公司 | Calibration equipment and method based on multi-laser ranging |
-
2015
- 2015-12-13 CN CN201510939857.4A patent/CN105486277A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111445529A (en) * | 2020-03-16 | 2020-07-24 | 天目爱视（北京）科技有限公司 | Calibration equipment and method based on multi-laser ranging |
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