CN105486236A - Point light source dimension measurement apparatus and dimension measurement method - Google Patents
Point light source dimension measurement apparatus and dimension measurement method Download PDFInfo
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- CN105486236A CN105486236A CN201510939618.9A CN201510939618A CN105486236A CN 105486236 A CN105486236 A CN 105486236A CN 201510939618 A CN201510939618 A CN 201510939618A CN 105486236 A CN105486236 A CN 105486236A
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- generating laser
- erection column
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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
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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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- 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 brings forward a point light source dimension measurement apparatus. The apparatus comprises a support frame and laser emitters, wherein the laser emitters are installed on the support frame, the laser emitters emit a pair of parallel light beams and a pair of light beams forming a fixed angle, the angular bisector of the fixed angle is superposed with one parallel light beam, and the interval between the parallel light beams is adjustable. The invention also brings forward a point light source dimension measurement method. A light source is irradiated on a measured object, then the measured object and light spots formed on the object by irradiation of lasers are observed by use of a telescope with partition scales, the intervals between the light spots are measured through scales of a graticule in the telescope, and thus the dimensions of the measured object and the distance between the measured object and the laser emitter are measured. The point light source dimension measurement apparatus and method provided by the invention have the following advantages: the distance between the measured object and a measurement point, the dimensions, such as the length and the height of the measured object and the included angle between the measured object and a measurement direction can be measured, the interval between the first laser emitter and the second laser emitter can be adjusted through a slide block, and the apparatus and method can be adapted to measurement of the dimensions of 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 and survey long deviation comparatively greatly, or to range finding subject matter, there is optionally problem.
The present invention proposes a kind of pointolite dimension measuring device, 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, the 4th generating laser, the 5th laser instrument and the 6th laser instrument; 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; The light place plane being perpendicular that the light place plane that the 5th described generating laser and the 6th generating laser send sends with the 3rd generating laser and the 4th generating laser, the 5th generating laser and the 6th generating laser emit beam angular bisector angularly overlap with the light that the first generating laser or the second generating laser send; 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, the second erection column, the 3rd erection column, the 4th erection column, the 5th erection column and the 6th erection column; The first described erection column is fixed on slide block; The second described erection column, the 3rd erection column and the 4th erection column are fixed on cushion block, and the post heart line of the second erection column, the 3rd erection column and the 4th erection column is in same plane, and the post heart line of the 3rd erection column and the 4th erection column is fixed angle 2*A; The angular bisector of described fixed angle 2*A overlaps with the post heart line of the second erection column; The post heart line of the 5th erection column and the 6th erection column be that the angular bisector of angle 2*A2 overlaps with the post heart line of the second erection column, the post heart line place plane of the 5th erection column and the 6th erection column and the post heart line place plane being perpendicular of the 3rd erection column and the 4th erection column; The post heart line of the first erection column and the second erection column is parallel to each other.
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.
Further, the zero graduation line of the rule of support frame as described above dorsal part aligns with the post heart line of the erection column of bracing frame one end.
The invention allows for a kind of pointolite dimension measurement method, comprise following steps: by the light source irradiation of laser transmitter projects 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 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: hot spot that on the second generating laser and testee, it irradiates is apart from being 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 vertical plane on testee surface is B with the emit beam angle of formed plane of the first generating laser and the second generating laser, 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 or the 4th generating laser and the second generating laser is b, described computing method are as follows:
1., when the first generating laser and the light beam that the second generating laser sends and testee are basic vertical, the physical size of testee is: L*H/a; The physical size of the hot spot at the 3rd generating laser or the 4th generating laser and angular bisector place is: 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 and the second generating laser and testee out of plumb, but perpendicular face is when having certain included angle B, included angle B can be drawn by b/a=tgA* (cosB+sinB*tg (A+B)) * (sinB+cosB/tgA) formulae discovery; The physical size of testee is: (L*H/a)/cosB;
The physical size of the hot spot at the 3rd generating laser or the 4th generating laser and angular bisector place is: (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 backsight Local map of the present invention.
Accompanying drawing 3 is the structural representation of the first erection column.
Accompanying drawing 4 is backplan of the present invention.
Accompanying drawing 5 be parallel rays and testee surface vertical case time light path schematic diagram.
Accompanying drawing 6 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, Figure 2, Figure 3, Figure 4, a kind of pointolite dimension measuring device, comprises bracing frame and generating laser, and generating laser is installed on bracing frame; Described generating laser is point source emitters, comprises the first generating laser, the second generating laser, the 3rd generating laser, the 4th generating laser, the 5th generating laser and the 6th 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, one of them screw 900 higher than the bottom of slide block, in case limited slip block skids off guide rail; Bracing frame is also provided with erection column, and described erection column comprises the first erection column 800, second erection column 500, the 3rd erection column 600, the 4th erection column 700, the 5th erection column and the 6th erection column; The first described erection column 800 is fixed on slide block 300, and the first generating laser 1100 is arranged in the first erection column 800; The second described erection column 500, the 3rd erection column 600 and the 4th erection column 700 are fixed on cushion block 400, the post heart line of the second erection column 500, the 3rd erection column 600 and the 4th erection column 700 is in same plane, and the post heart line of the 3rd erection column 600 and the 4th erection column 700 is fixed angle 2*A; The angular bisector of described fixed angle overlaps with the post heart line of the second erection column 500; The post heart of the first erection column 800 and the second erection column 500 is parallel to each other; The post heart line of the 5th erection column and the 6th erection column be that the angular bisector of angle overlaps with the post heart line of the second erection column 500, the post heart line place plane of the 5th erection column 1400 and the 6th erection column 1500 and the post heart line place plane being perpendicular of the 3rd erection column 600 and the 4th erection column 700; 5th generating laser is installed in the 5th erection column 1400, the 6th generating laser is installed in the 6th erection column 1500; The light place plane being perpendicular that the light place plane that 5th generating laser and the 6th generating laser send sends with the 3rd generating laser and the 4th generating laser, the 5th generating laser and the 6th generating laser emit beam the angular bisector of angularly 2*A2 overlap with the light that the first generating laser or the second generating laser send; Second generating laser is arranged in the second installation, 3rd generating laser is arranged in the 3rd erection column, 4th generating laser is arranged in the 4th erection column, and the 5th generating laser is arranged in the 5th erection column, and the 6th generating laser is arranged in the 6th erection column; 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; The light place plane being perpendicular that the light place plane that the 5th described generating laser and the 6th generating laser send sends with the 3rd generating laser and the 4th generating laser, the 5th generating laser and the 6th generating laser emit beam angular bisector angularly overlap with the light that the first generating laser or the second generating laser send; Each erection column corresponding is also provided with some groups of adjustment holes 1200, 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 lower end of described first erection column 800 and the second erection column 500 has installs via hole 1300, on corresponding slide block and cushion block, corresponding location matches has the frame body of screw bracing frame to be also provided with the connecting hole 1600 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 500.
As Fig. 6, shown in Fig. 5, the invention allows for a kind of pointolite dimension measurement method, by the light source irradiation of laser transmitter projects 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 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: hot spot that on the second generating laser and testee, it irradiates is apart from being 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 vertical plane on testee surface is B with the emit beam angle of formed plane of the first generating laser and the second generating laser, 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, the first generating laser and the second generating laser is a, the irradiation hot spot P-M of the 3rd generating laser or the 4th generating laser and the second generating laser or M-Q certain distance are b, described computing method are as follows:
1., when the first generating laser and the light beam that the second generating laser sends and testee are basic vertical, the physical size of testee is: L*H/a; The hot spot P-M at the 3rd generating laser or the 4th generating laser and angular bisector place or the physical size of M-Q section are: L*b/a; Second generating laser is radiated at hot spot on testee O1-M segment distance with it is F=(L*b/a) * ctgA;
2. the light beam sent when the first generating laser and the second generating laser and testee out of plumb, but perpendicular face is when having certain included angle B, included angle B can be drawn by b/a=tgA* (cosB+sinB*tg (A+B)) * (sinB+cosB/tgA) formulae discovery; The physical size of testee is: (L*H/a)/cosB; The hot spot P-M at the 3rd generating laser or the 4th generating laser and angular bisector place or the physical size of M-Q section are: (L*b/a)/cosB;
Second generating laser is radiated at hot spot on testee distance with it is F=(L*b/a) * (ctgA+tgB).
Actual when using, by the measurement light source of the 5th generating laser and the 6th generating laser the 3rd generating laser and the 4th generating laser as an alternative, to realize the dimension of object measurement on vertical direction, during calculating, angle A correspondence can also be changed to A2.
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 (7)
1. a pointolite dimension measuring device, 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, the 4th generating laser, the 5th laser instrument and the 6th laser instrument; 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; The light place plane being perpendicular that the light place plane that the 5th described generating laser and the 6th generating laser send sends with the 3rd generating laser and the 4th generating laser, the 5th generating laser and the 6th generating laser emit beam angular bisector angularly overlap with the light that the first generating laser or the second generating laser send; 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, the second erection column, the 3rd erection column, the 4th erection column, the 5th erection column and the 6th erection column; The first described erection column is fixed on slide block; The second described erection column, the 3rd erection column and the 4th erection column are fixed on cushion block, and the post heart line of the second erection column, the 3rd erection column and the 4th erection column is in same plane, and the post heart line of the 3rd erection column and the 4th erection column is fixed angle 2*A; The angular bisector of described fixed angle 2*A overlaps with the post heart line of the second erection column; The post heart line of the 5th erection column and the 6th erection column be that the angular bisector of angle 2*A2 overlaps with the post heart line of the second erection column, the post heart line place plane of the 5th erection column and the 6th erection column and the post heart line place plane being perpendicular of the 3rd erection column and the 4th erection column; The post heart line of the first erection column and the second erection column is parallel to each other.
2. a kind of pointolite dimension measuring device according to claim 1, is characterized in that: 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.
3. a kind of pointolite dimension measuring device 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. a kind of pointolite dimension measuring device according to claim 1 and 2, is characterized in that: the lower end of described first erection column and the second erection column has installation via hole, and on corresponding slide block and cushion block, corresponding location matches has screw.
5. a kind of pointolite dimension measuring device according to claim 1,2 or 3, is characterized in that: described bracing frame dorsal part is also provided with rule.
6. a kind of pointolite dimension measuring device according to claim 5, is characterized in that: the zero graduation line of the rule of support frame as described above dorsal part aligns with the post heart line of the erection column of bracing frame one end.
7. a pointolite dimension measurement method, it is characterized in that: comprise following steps: by the light source irradiation of laser transmitter projects 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 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 second generating laser hot spot distance be radiated at it on testee is 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 vertical plane on testee surface is B with the emit beam angle of formed plane of the first generating laser and the second generating laser, 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 or the 4th generating laser and the second generating laser is b, described computing method are as follows:
1., when the first generating laser and the light beam that the second generating laser sends and testee are basic vertical, the physical size of testee is: L*H/a; The physical size of the hot spot at the 3rd generating laser or the 4th generating laser and angular bisector place is: L*b/a; Second generating laser is radiated at hot spot on testee distance with it is F=(L*b/a) * ctgA;
2. the light beam sent when the first generating laser and the second generating laser and testee out of plumb, but perpendicular face is when having certain included angle B, included angle B can be drawn by b/a=tgA* (cosB+sinB*tg (A+B)) * (sinB+cosB/tgA) formulae discovery; The physical size of testee is: (L*H/a)/cosB;
The physical size of the hot spot at the 3rd generating laser or the 4th generating laser and angular bisector place is: (L*b/a)/cosB;
Second generating laser is radiated at hot spot on testee distance with it is F=(L*b/a) * (ctgA+tgB).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510939618.9A CN105486236A (en) | 2015-12-13 | 2015-12-13 | Point light source dimension measurement apparatus and dimension measurement method |
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| CN201510939618.9A CN105486236A (en) | 2015-12-13 | 2015-12-13 | Point light source dimension measurement apparatus and dimension measurement method |
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| CN105486236A true CN105486236A (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303143A (en) * | 2016-09-28 | 2017-01-04 | 威海华菱光电股份有限公司 | Translucent construction, picture signal receive unit and image read-out |
| CN110623555A (en) * | 2019-09-19 | 2019-12-31 | 杭州九阳小家电有限公司 | Food material size calculation method in oven, size identification device and oven |
-
2015
- 2015-12-13 CN CN201510939618.9A patent/CN105486236A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303143A (en) * | 2016-09-28 | 2017-01-04 | 威海华菱光电股份有限公司 | Translucent construction, picture signal receive unit and image read-out |
| CN106303143B (en) * | 2016-09-28 | 2019-09-06 | 威海华菱光电股份有限公司 | Translucent construction, picture signal receiving unit and image read-out |
| CN110623555A (en) * | 2019-09-19 | 2019-12-31 | 杭州九阳小家电有限公司 | Food material size calculation method in oven, size identification device and oven |
| CN110623555B (en) * | 2019-09-19 | 2022-02-08 | 杭州九阳小家电有限公司 | Food material size calculation method in oven, size identification device and oven |
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Application publication date: 20160413 |