CN107907051A - The adjustable Laser Triangulation Measurement System Based of range and method - Google Patents
The adjustable Laser Triangulation Measurement System Based of range and method Download PDFInfo
- Publication number
- CN107907051A CN107907051A CN201711469036.4A CN201711469036A CN107907051A CN 107907051 A CN107907051 A CN 107907051A CN 201711469036 A CN201711469036 A CN 201711469036A CN 107907051 A CN107907051 A CN 107907051A
- Authority
- CN
- China
- Prior art keywords
- range
- mesopore
- laser
- measurement system
- system based
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
The present invention provides a kind of adjustable Laser Triangulation Measurement System Based of range and method, wherein system includes a laser beam emitting device, a diaphragm, a lens and a reception device, and the diaphragm is arranged in one first light path between the laser beam emitting device and a determinand；The lens are arranged in one second light path between the reception device and the determinand；The diaphragm forms multiple mesopores, and the width of each mesopore is different.A kind of adjustable Laser Triangulation Measurement System Based of range and method of the present invention, on the basis of it need not destroy whole measurement system structure, you can realize the measurement of different ranges, and have the advantages that simple operation, cost are low and workable.
Description
Technical field
The present invention relates to laser triangulation field, more particularly to a kind of adjustable Laser Triangulation Measurement System Based of range and side
Method.
Background technology
In current laser triangulation scheme, for the processing method of same series of products difference measuring range section,
Common practice is that the trigonometric function relation of adjustment module is realized by different moulds, i.e. each range section is required for a nested structure
Solution, so as to fulfill the measurement of different range sections.It is complex to measure process, takes time and effort.
Fig. 1 is referred to, a kind of existing Laser Triangulation Measurement System Based, it includes laser emitter 1, lens 3 and signal and connects
Receiving apparatus 2, the range of measurement is distance of the A points to B points；, it is necessary to by adjusting lens and signal during roll adjustment is measured
The relativeness of receiving module, so as to being adjusted range to A ' B ' from AB.The range method of adjustment of such a system needs again solid
Determine signal receiving device 2 or retighten lens 3 and corresponding adjustment is done in the selection to lens 3 or signal receiving device 2, especially
It is the product for the multiple range sections of a series, it would be desirable to different organization plans, it is complicated, and cost is higher.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of adjustable Laser Triangulation Measurement System Based of range and side
Method, on the basis of it need not destroy whole measurement system structure, you can realize the measurement of different ranges, and with simple operation,
The advantages of cost is low and workable.
To achieve these goals, the present invention provides a kind of adjustable Laser Triangulation Measurement System Based of range, including a laser
Emitter, a diaphragm, a lens and a reception device, the diaphragm be arranged at the laser beam emitting device and a determinand it
Between one first light path on；The lens are arranged in one second light path between the reception device and the determinand；Institute
State diaphragm and form multiple mesopores, the width of each mesopore is different.
Preferably, each mesopore corresponds to a measuring range, the measuring range bigger correspondence mesopore
Width is bigger, and the measuring range is the distance between the lens and the determinand.
Preferably, each mesopore opens up and along the spaced laying of diaphragm vertical direction in the horizontal direction.
Preferably, the mesopore is arranged in order according to the size of the corresponding measuring range, and described in adjacent two
Spacing between mesopore reduces with the increase of the correspondence measuring range.
A kind of adjustable laser triangulation of range based on the adjustable Laser Triangulation Measurement System Based of range of the present invention
Method, including step：
S1：Establish the adjustable Laser Triangulation Measurement System Based of the range；
S2：Select the mesopore corresponding to the current desired measuring range；
S3：Adjust the position of the laser beam emitting device and the mesopore so that the laser beam emitting device and described
Mesopore is located in first light path；
S4：Complete the measurement that presently described measuring range corresponds to the determinand；
S5：Judge whether the measuring range not detected also；If any return to step S2；Such as without end step.
Preferably, the intensity of the laser of laser beam emitting device transmitting with the measuring range inversely.
Preferably, the optical axis of the laser of the laser beam emitting device transmitting is corresponding with the center of the mesopore.
The present invention makes it have following beneficial effect as a result of above technical scheme：
The present invention, by controlling the mesopore of diaphragm, is surveyed by increasing the structure of a diaphragm without destroying entirety
The structure of amount system, you can realize the measurement of different range sections, technology realizes that process is simple, and scheme cost of implementation is relatively low, can grasp
The property made is strong.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing Laser Triangulation Measurement System Based；
Fig. 2 is the schematic diagram of the adjustable Laser Triangulation Measurement System Based of range of the embodiment of the present invention；
Fig. 3 is the flow chart of the adjustable laser triangulation method of range of the embodiment of the present invention.
Embodiment
Below according to 2~Fig. 3 of attached drawing, presently preferred embodiments of the present invention is provided, and is described in detail, is enabled more preferable geographical
Solve function, the feature of the present invention.
Referring to Fig. 2, a kind of adjustable Laser Triangulation Measurement System Based of range of the embodiment of the present invention, including a Laser emission
Device 1, a diaphragm 2, a lens 3 and a reception device 4, diaphragm 2 are arranged at one between 1 and one determinand of laser beam emitting device
In first light path；Lens 3 are arranged in one second light path between reception device 4 and determinand；Diaphragm 2 forms multiple mesopores
21, the width of each mesopore 21 is different.
In the present embodiment, each mesopore 21 corresponds to a measuring range, the width of the more big corresponding mesopore 21 of measuring range
Bigger, measuring range is the distance between lens 3 and determinand.
Each mesopore 21 opens up and along the spaced laying of 2 vertical direction of diaphragm in the horizontal direction.Mesopore 21 is according to institute
The size of corresponding measuring range is arranged in order, and the spacing between adjacent two mesopore 21 with the increase of corresponding measuring range and
Reduce.
Fig. 2 and Fig. 3 are referred to, a kind of range based on the adjustable Laser Triangulation Measurement System Based of the present embodiment range is adjustable
Laser triangulation method, including step：
S1：Establish the adjustable Laser Triangulation Measurement System Based of range in the present embodiment；
S2：Select the mesopore 21 corresponding to current desired measuring range；
S3：Adjust the position of laser beam emitting device 1 and mesopore 21 so that laser beam emitting device 1 and mesopore 21 are located at
In first light path；
S4：Complete the measurement that current measure journey corresponds to determinand；The intensity for the laser that laser beam emitting device 1 is launched and survey
Measure range inversely, the optical axis of laser is corresponding with the center of mesopore 21；
S5：Judge whether the measuring range not detected also；If any return to step S2；Such as without end step.
Such as, it is necessary to the first measuring range after the adjustable Laser Triangulation Measurement System Based of range in establishing the present embodiment
When one first determinand M and one second determinand M ' of the second measuring range are measured, selection and the first measuring range first
Corresponding one first mesopore 21, adjusts the position of 1 and first mesopore 21 of laser beam emitting device so that laser beam emitting device 1
It is located at the first mesopore 21 in the first light path；Start laser beam emitting device 1 and launch laser along the first light path to the first determinand M
And one first hot spot is formed on the first determinand M, reception device 4 obtains the light of the first hot spot by lens 3 along the second light path
Signal；According to the center of the first angle a and laser beam emitting device 1 of the first light path at this time and the second light path and 3 center of lens
The first distance d calculate distance between the first determinand M and lens 3, close laser beam emitting device 1 after completing measurement.Then need
When being measured to one second determinand M ' of the second measuring range, corresponding with the second measuring range one second is selected first
Mesopore 21, adjusts the position of 1 and second mesopore 21 of laser beam emitting device so that 1 and second mesopore of laser beam emitting device
21 in the second light path；Laser beam emitting device 1 is opened so that laser after the second mesopore 21 by exposing to the second determinand
One second hot spot is formed on M ', reception device 4 obtains the optical signal of the second hot spot by lens 3 along the second light path；According at this time
The center of the second angle a ' and laser beam emitting device 1 of first light path and the second light path and the second distance d ' at 3 center of lens
The distance between the second determinand M ' and lens 3 is calculated, laser beam emitting device 1 is closed after completing measurement.
In the present embodiment, by the mesopore 21 to designing multiple and different width and spacing on diaphragm 2, laser is allowed to pass through light
Late 2 different mesopores 21, achieve the purpose that to realize multiple measuring range section switchings.
The width of mesopore 21 needs the basic demand for meeting laser triangulation, and laser can be allowed to pass through without producing laser
Diffraction, while meet the requirement of corresponding measuring range section luminous intensity；The pitch requirements of mesopore 21 meet laser beam emitting device 1
Single laser beam meets the measuring range requirement of theoretical calculation by without producing adjacent interference；The height of 2 substrate of diaphragm
Size and the quantity of mesopore 21 are set according to the size of laser triangulation module reality, on theoretical upper substrate between how many
Lyriform pore 21, you can realize the measurement of how many range sections.
Because laser is directional light, in theory 21 width of mesopore be equal to determinand on hot spot size, and with determinand away from
It is uncorrelated from being worth；Laser intensity with apart from inversely proportional relation, the value of 21 width of mesopore is directly proportional to laser intensity, obtains
Conclusion, 21 width of mesopore of design and testing distance direct proportionality, that is, when testing distance is remote, 21 width of mesopore
Design size becomes larger.
The corresponding mesopore 21 not existed together, it is desirable to the optical axis for emitting laser is overlapped with the center of mesopore 21,
So as to obtain more uniform hot spot, ensure the measurement accuracy of system.
The present invention is described in detail above in association with attached drawing embodiment, those skilled in the art can be according to upper
State and bright many variations example is made to the present invention.Thus, some details in embodiment should not form limitation of the invention, this
Invention will be used as protection scope of the present invention using the scope that the appended claims define.
Claims (7)
1. a kind of adjustable Laser Triangulation Measurement System Based of range, it is characterised in that including a laser beam emitting device, a diaphragm, one
Lens and a reception device, the diaphragm are arranged in one first light path between the laser beam emitting device and a determinand；
The lens are arranged in one second light path between the reception device and the determinand；The diaphragm forms multiple gaps
Hole, the width of each mesopore are different.
2. the adjustable Laser Triangulation Measurement System Based of range according to claim 1, it is characterised in that each mesopore
A corresponding measuring range, the width of the measuring range bigger correspondence mesopore is bigger, and the measuring range is described
The distance between mirror and the determinand.
3. the adjustable Laser Triangulation Measurement System Based of range according to claim 2, it is characterised in that each mesopore edge
Horizontal direction opens up and along the spaced laying of diaphragm vertical direction.
4. the adjustable Laser Triangulation Measurement System Based of range according to claim 3, it is characterised in that the mesopore according to
The size of the corresponding measuring range is arranged in order, and the spacing between adjacent two mesopore is with the correspondence measurement
The increase of range and reduce.
Swash 5. a kind of range based on any one of the claim 2~4 adjustable Laser Triangulation Measurement System Based of range is adjustable
Light triangulation method, including step：
S1：Establish the adjustable Laser Triangulation Measurement System Based of the range；
S2：Select the mesopore corresponding to the current desired measuring range；
S3：Adjust the position of the laser beam emitting device and the mesopore so that the laser beam emitting device and the gap
Hole is located in first light path；
S4：Complete the measurement that presently described measuring range corresponds to the determinand；
S5：Judge whether the measuring range not detected also；If any return to step S2；Such as without end step.
6. the adjustable laser triangulation method of range according to claim 5, it is characterised in that the Laser emission dress
The intensity of the laser of transmitting is put with the measuring range inversely.
7. the adjustable laser triangulation method of range according to claim 6, it is characterised in that the Laser emission dress
The optical axis for putting the laser of transmitting is corresponding with the center of the mesopore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469036.4A CN107907051B (en) | 2017-12-29 | 2017-12-29 | Laser triangulation system and method with adjustable measuring range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469036.4A CN107907051B (en) | 2017-12-29 | 2017-12-29 | Laser triangulation system and method with adjustable measuring range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107907051A true CN107907051A (en) | 2018-04-13 |
| CN107907051B CN107907051B (en) | 2024-06-04 |
Family
ID=61872093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711469036.4A Active CN107907051B (en) | 2017-12-29 | 2017-12-29 | Laser triangulation system and method with adjustable measuring range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107907051B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722243A (en) * | 2020-06-28 | 2020-09-29 | 上海兰宝传感科技股份有限公司 | Temperature compensation ranging method based on low temperature drift output of laser triangulation system |
| CN111830667A (en) * | 2020-07-30 | 2020-10-27 | 广东博智林机器人有限公司 | Lens focusing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334060A1 (en) * | 1992-10-10 | 1994-05-05 | Dammert Wolf Rainer Dipl Ing | Determining position parameters of measurement position - detecting displacement of image of scattered laser beam on detectorusing triangulation principle |
| RU45520U1 (en) * | 2004-12-27 | 2005-05-10 | Общество с ограниченной ответственностью "АГРОЭЛ" | LASER TRIANGULATION METER |
| CN102494639A (en) * | 2011-10-18 | 2012-06-13 | 北京理工大学 | Laser divergence angle measuring device and measuring method based on full-automatic hole alignment method |
| CN103791840A (en) * | 2012-11-03 | 2014-05-14 | 西安道恒交通设备科技有限公司 | Simple apparatus for measuring micro displacement |
| CN104913734A (en) * | 2015-06-17 | 2015-09-16 | 西安交通大学 | Galvanometric line laser scanning 3D profile measurement device and method |
| CN106441112A (en) * | 2016-11-04 | 2017-02-22 | 杭州电子科技大学 | Range-variable laser trigonometry displacement measuring device and method |
| CN207688822U (en) * | 2017-12-29 | 2018-08-03 | 上海兰宝传感科技股份有限公司 | The adjustable Laser Triangulation Measurement System Based of range |
-
2017
- 2017-12-29 CN CN201711469036.4A patent/CN107907051B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334060A1 (en) * | 1992-10-10 | 1994-05-05 | Dammert Wolf Rainer Dipl Ing | Determining position parameters of measurement position - detecting displacement of image of scattered laser beam on detectorusing triangulation principle |
| RU45520U1 (en) * | 2004-12-27 | 2005-05-10 | Общество с ограниченной ответственностью "АГРОЭЛ" | LASER TRIANGULATION METER |
| CN102494639A (en) * | 2011-10-18 | 2012-06-13 | 北京理工大学 | Laser divergence angle measuring device and measuring method based on full-automatic hole alignment method |
| CN103791840A (en) * | 2012-11-03 | 2014-05-14 | 西安道恒交通设备科技有限公司 | Simple apparatus for measuring micro displacement |
| CN104913734A (en) * | 2015-06-17 | 2015-09-16 | 西安交通大学 | Galvanometric line laser scanning 3D profile measurement device and method |
| CN106441112A (en) * | 2016-11-04 | 2017-02-22 | 杭州电子科技大学 | Range-variable laser trigonometry displacement measuring device and method |
| CN207688822U (en) * | 2017-12-29 | 2018-08-03 | 上海兰宝传感科技股份有限公司 | The adjustable Laser Triangulation Measurement System Based of range |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722243A (en) * | 2020-06-28 | 2020-09-29 | 上海兰宝传感科技股份有限公司 | Temperature compensation ranging method based on low temperature drift output of laser triangulation system |
| CN111722243B (en) * | 2020-06-28 | 2024-05-28 | 上海兰宝传感科技股份有限公司 | Temperature compensation ranging method based on low-temperature drift output of laser triangulation system |
| CN111830667A (en) * | 2020-07-30 | 2020-10-27 | 广东博智林机器人有限公司 | Lens focusing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107907051B (en) | 2024-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106546216A (en) | Distance measuring method and device, camera and mobile terminal | |
| US7434322B2 (en) | Reference beam generator and system for producing guide beams for field markers | |
| US9279679B2 (en) | Construction machine control method and construction machine control system | |
| CN106768855B (en) | A kind of the spectral responsivity measuring device and method of heavy caliber radiometer | |
| CN110749874B (en) | Leveling device and method for laser radar transmitting light path | |
| CN103443648A (en) | Measurement device for measuring distance between the measurement device and target object using optical measurement beam | |
| CN104089582B (en) | Metal film optical detection apparatus and detection method | |
| CN101278171B (en) | Two-sided reflector and two-sided target object | |
| CN106950583A (en) | One kind is based on the united forest highway measuring systems of GPS RTK and measuring method | |
| CN104506260B (en) | ETC roadside devices field strength measurement and communication zone caliberating device, system and method | |
| CN105874384B (en) | Based on a variety of distance measuring methods with burnt system, method and camera system | |
| CN110411479B (en) | Digital calibration system of laser plumb aligner and application | |
| CN107907051A (en) | The adjustable Laser Triangulation Measurement System Based of range and method | |
| CN104634246A (en) | Floating type stereo visual measuring system and measuring method for coordinates of object space | |
| CN104748945B (en) | System and method for detecting optical axis pointing consistency of corner reflector or corner reflector array | |
| CN207688822U (en) | The adjustable Laser Triangulation Measurement System Based of range | |
| CN106840604B (en) | A kind of laser angle calibrating installation and calibration method | |
| CN206113965U (en) | Double-collimation tolerance calibration system of auto-collimation theodolite | |
| US3945730A (en) | Arrangement for measuring, checking and control of the position of chosen points of objects with respect to an optical aiming line | |
| CN115145020A (en) | Optical adjusting system and method for enabling laser propagation direction to be parallel to optical platform | |
| CN107806856A (en) | A kind of experimental detection device and method of simulated target spatial attitude | |
| CN108036762A (en) | A kind of pour angle compensation formula Autocollimation measuring instrument | |
| KR101351566B1 (en) | Triangular surveying system | |
| CN107436439A (en) | The installation method of laser ranging system and its sensitive chip | |
| CN105486277A (en) | Slide rail type optical measuring device capable of changing angles and measuring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |