CN108088364A - A kind of rotation transmitting light formula laser scanning device - Google Patents
A kind of rotation transmitting light formula laser scanning device Download PDFInfo
- Publication number
- CN108088364A CN108088364A CN201711223073.7A CN201711223073A CN108088364A CN 108088364 A CN108088364 A CN 108088364A CN 201711223073 A CN201711223073 A CN 201711223073A CN 108088364 A CN108088364 A CN 108088364A
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- module
- laser
- lens module
- electronic circuit
- battle array
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- 239000011521 glass Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000013532 laser treatment Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
Abstract
A kind of rotation transmitting light formula laser scanning device, including laser emitter modules, diversing lens module, face battle array laser pickoff module, receiving lens module, electronic circuit module, electric rotating machine module, support and locating module.By electronic circuit module laser emitter modules is controlled to emit laser, laser becomes linear (typical mode is straight line, helical curve) by laser after diversing lens module and launches, after object is run into, laser, which will reflect back into, to be come, after receiving lens module is to reflecting laser treatment, laser will act at face battle array laser pickoff module, the difference of the time and the time of transmitting laser of signal are received by the calculating face battle array each pixel of receiving device, the linear point scanned can be obtained to the distance of three-dimensional scanner.By electric rotating machine module diversing lens module is driven to rotate, carry out above-mentioned scanning successively, the three-dimensional information in region of appearing can be scanned.
Description
Technical field
It is specifically a kind of for three-dimensional imaging the present invention relates to a kind of rotation transmitting light formula laser scanning device
The equipment or instrument belongs to field of photoelectric technology.
Background technology
Traditional image technique refers to two-dimensional image more, and single image does not possess depth information, with the hair of technology
Exhibition, more and more application scenarios want to obtain three-dimensional information, for example, pilotless automobile, service robot, storage machine
Device people etc., corresponding scheme include：Binocular vision scheme, infrared structure light scheme, pulse type laser sweeping scheme, phased array swash
Optical radar etc..
Compared to the infrared scheme such as infrared structure light, pulse type laser scheme advantage be to measure it is distant,
Therefore relatively it is suitble to telemeasurement, phased-array radar mode is used generally only for military affairs at this stage, and miniaturization is more difficult.
Pulse type laser scan mode is mostly emitted by single-point laser at this stage, then by mechanical rotary device or
MEMS shaking devices control laser point, so that it can carry out the scanning of certain rule in the face of space, are limited to machine
Tool structure and scan mode are difficult to find that a kind of with the mode that refresh rate is high, scanning distance is remote at present.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of rotations to emit light formula laser scanning device, relatively
Structure when traditional mechanical scanning, mechanical structure of the present invention is extremely simple, and based on single motor rotation and linear synchronous hair
Detection is penetrated, therefore it there can be higher refreshing frequency.Based on the laser reflected with larger microlens window
Reception, therefore its laser signal receiving ability is stronger, and the distance that can be detected is farther.The present invention can integrate GPS positioning, inertia
The functions such as navigation IMU, camera imaging, have the characteristics that small, light-weight, widely used.
To achieve these goals, the present invention is using following technical scheme, and is carried out by taking a kind of typical embodiment as an example
Explanation.Following embodiment contributes to those skilled in the art to further understand the present invention, but does not limit this hair in any form
It is bright.It should be pointed out that those of ordinary skill in the art, without departing from the inventive concept of the premise, can also make
Several modifications and improvements.These belong to the scope of the present invention.
A kind of rotation transmitting light formula laser scanning device, after laser emitting module (1) emits laser, laser is by hair
It is linear laser to penetrate lens module (2) processing, and after Laser emission goes out device, after object is collided, fraction of laser light will reflect back into
The receiving lens module (4) of device acts on face battle array laser pickoff module (3) after processing, by calculating face battle array receiver
The each pixel of part receives the difference of time of signal and the time of transmitting laser, can obtain it is linear scan o'clock to three
The distance of scanning means is tieed up, by electric rotating machine module (6) diversing lens module (2) is driven to rotate, carries out above-mentioned scanning successively,
The three-dimensional information in region of appearing can be scanned.
A kind of rotation transmitting light formula laser scanning device, including laser emitter modules (1), diversing lens module
(2), face battle array laser pickoff module (3), receiving lens module (4), electronic circuit module (5), electric rotating machine module (6), branch
Support and locating module (7).
A kind of rotation transmitting light formula laser scanning device, Laser emission light path axis are parallel with receiving light path axis.
Electric rotating machine module (6) is fixed on upper shell, and for the motor used for inner-rotor-type hollow shaft type motor, transmitting is saturating
Mirror module (2) is fixed in the hollow shaft of motor.
Diversing lens module (2) laser that laser emitting module emits is collected as it is linear, it is typical it is linear for straight line and
Helix, quantity can be for 1 and a plurality of；Diversing lens module (2) and the motor hollow shaft of electric rotating machine module (6) pass through screw thread
Connection can realize the axial focusing of lens.
Receiving lens module (4) is connected through a screw thread between upper shell, and receiving lens module (4) is realized by rotating screw thread
Focusing.
Electronic circuit module (5) is fixed on lower housing (72), has control function, external input/output function；Laser
Transmitter module (1), face battle array laser pickoff module (3) are fixed on electronic circuit module (5), and can on electronic circuit module
Integrated GPS positioning, inertial navigation, infrared camera, colour imagery shot module.
Support includes upper shell (71), lower housing (72) and protective glass (73) with locating module (7), and protective glass (73) is fixed
In on upper shell (71), it is connected by screw between upper shell (71) and lower housing (72).
Advantages of the present invention and advantageous effect are：
1. the present invention uses linear Laser emission mode, the detection to multiple spot can be realized, relatively traditional scan-type knot
Structure reduces system complexity, can improve lifetime of system.
2. the present invention is a kind of effective long distance laser scanning imagery mode, and combines a variety of mutual of camera module
Benefit form scheme can form the more powerful three-dimensional image forming apparatus of function.
3. the present invention has the characteristics that highly integrated, promote system dimension small, and be easily installed.
Description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of case study on implementation of the present invention；
Fig. 2 is a kind of appearance diagram of case study on implementation of invention；
In figure, 1 it is laser emitter modules, 2 is diversing lens module, 3 is face battle array laser pickoff module, 4 is reception
Lens module, 5 be electronic circuit module, 6 be electric rotating machine module, 7 be support with locating module, 71 be upper shell, 72 be under
Housing, 73 are protective glass.
Specific embodiment
The present invention is described in further detail with a kind of embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the present invention provides a kind of rotation transmitting light formula laser scanning device, including Laser emission
Device module 1, diversing lens module 2, face battle array laser pickoff module 3, receiving lens module 4, electronic circuit module 5, electric rotating
Machine module 6, support and locating module 7.By electronic circuit module 5 laser emitter modules 1 is controlled to emit laser, laser passes through
Laser becomes linear (typical mode for straight line, helical curve) and launches after diversing lens module 2, after object is run into,
Laser, which will reflect back into, to be come, and after receiving lens module 4 is to reflecting laser treatment, laser will act at face battle array laser pick-off
Device module 3 receives the difference of the time and the time of transmitting laser of signal by the calculating face battle array each pixel of receiving device, just
The linear point scanned be can obtain to the distance of three-dimensional scanner.Diversing lens module 2 is driven by electric rotating machine module 6
Rotation, carries out above-mentioned scanning, can scan the three-dimensional information in region of appearing successively.GPS can be integrated on electronic circuit module 5 to determine
Position, inertial navigation, infrared camera, colour imagery shot module can form the more powerful three-dimensional image forming apparatus of function.
Specifically used implementation content is as follows：
A kind of rotation transmitting light formula laser scanning device, after laser emitting module 1 emits laser, laser is by transmitting
The processing of lens module 2 is linear laser, and after Laser emission goes out device, after object is collided, fraction of laser light will reflect back into device
Receiving lens module 4, face battle array laser pickoff module 3 is acted on after processing, by calculating the face battle array each picture of receiving device
Element receives the difference of the time and the time of transmitting laser of signal, can obtain the linear point scanned and be filled to 3-D scanning
The distance put drives diversing lens module 2 to rotate, carries out above-mentioned scanning successively, can scan and appear by electric rotating machine module 6
The three-dimensional information in region.
A kind of rotation transmitting light formula laser scanning device, including laser emitter modules 1, diversing lens module 2, face
Battle array laser pickoff module 3, receiving lens module 4, electronic circuit module 5, electric rotating machine module 6, support and locating module 7.
A kind of rotation transmitting light formula laser scanning device, Laser emission light path axis are parallel with receiving light path axis.
Electric rotating machine module 6 is fixed on upper shell, and the motor used is inner-rotor-type hollow shaft type motor, diversing lens
Module 2 is fixed in the hollow shaft of motor.
Diversing lens module 2 laser that laser emitting module emits is collected as it is linear, it is typical it is linear be straight line and spiral shell
Spin line, quantity can be for 1 and a plurality of；Diversing lens module 2 and the motor hollow shaft of electric rotating machine module 6 are connected through a screw thread,
It can realize the axial focusing of lens.
It is connected through a screw thread between receiving lens module 4 and upper shell, the tune of receiving lens module 4 is realized by rotating screw thread
It is burnt.
Electronic circuit module 5 is fixed on lower housing 72, has control function, external input/output function；Laser emission
Device module 1, face battle array laser pickoff module 3 are fixed on electronic circuit module 5, and GPS can be integrated on electronic circuit module and is determined
Position, inertial navigation, infrared camera, colour imagery shot module.
Support includes upper shell 71, lower housing 72 and protective glass 73 with locating module 7, and protective glass 73 is fixed on upper shell 71
On, it is connected by screw between upper shell 71 and lower housing 72.
The specific implementation of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned spies
Fixed embodiment, those skilled in the art can make various changes and modifications within the scope of the claims, this has no effect on this hair
Bright substantive content.
Claims (8)
1. a kind of rotation transmitting light formula laser scanning device, which is characterized in that after laser emitting module transmitting laser, laser warp
Diversing lens resume module is crossed as linear laser, after Laser emission goes out device, after object is collided, fraction of laser light will reflect back into
The receiving lens module of device acts on face battle array laser pickoff module after processing, each by calculating face battle array receiving device
Pixel receives the difference of the time and the time of transmitting laser of signal, can obtain the linear point scanned to 3-D scanning
The distance of device drives diversing lens module to rotate, carries out above-mentioned scanning successively, can scan and appear by electric rotating machine module
The three-dimensional information in region.
2. a kind of rotation transmitting light formula laser scanning device according to claim 1, which is characterized in that it includes laser
Transmitter module, diversing lens module, face battle array laser pickoff module, receiving lens module, electronic circuit module, electric rotating machine
Module, support and locating module.
A kind of 3. rotation transmitting light formula laser scanning device according to claim 1, which is characterized in that Laser emission light
Road axis is parallel with receiving light path axis.
4. electric rotating machine module according to claim 2, which is characterized in that electric rotating machine module is fixed on upper shell,
The motor used is fixed on for inner-rotor-type hollow shaft type motor, diversing lens module in the hollow shaft of motor.
5. diversing lens module according to claim 2, which is characterized in that diversing lens module sends out laser emitting module
The laser penetrated is collected as linear, and typical linear for straight line and helix, quantity can be 1 and a plurality of；Diversing lens module with
Motor hollow shaft is connected through a screw thread, and can realize the axial focusing of lens.
6. receiving lens module according to claim 2, which is characterized in that pass through spiral shell between receiving lens module and upper shell
Line connects, and the focusing of receiving lens module is realized by rotating screw thread.
7. electronic circuit module according to claim 2, which is characterized in that electronic circuit module is fixed on lower housing,
With control function, external input/output function；Laser emitter modules, face battle array laser pickoff module are fixed on electronic circuit
GPS positioning, inertial navigation, infrared camera, colour imagery shot module can be integrated in module, and on electronic circuit module.
8. support according to claim 2 and locating module, which is characterized in that it includes upper shell, lower housing and protection
Mirror, protective glass are fixed on upper shell, are connected by screw between upper shell and lower housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223073.7A CN108088364A (en) | 2017-11-29 | 2017-11-29 | A kind of rotation transmitting light formula laser scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223073.7A CN108088364A (en) | 2017-11-29 | 2017-11-29 | A kind of rotation transmitting light formula laser scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108088364A true CN108088364A (en) | 2018-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711223073.7A Pending CN108088364A (en) | 2017-11-29 | 2017-11-29 | A kind of rotation transmitting light formula laser scanning device |
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| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112120A (en) * | 1985-11-11 | 1987-05-23 | Fujitsu Ltd | Hologram scanner |
| JP2001091887A (en) * | 1999-09-24 | 2001-04-06 | Ricoh Co Ltd | Laser scanner |
| JP2002031685A (en) * | 2000-07-17 | 2002-01-31 | Denso Corp | Reflection measuring device |
| CN1532580A (en) * | 2003-03-19 | 2004-09-29 | 佳能株式会社 | Laser scanner |
| JP2009218115A (en) * | 2008-03-11 | 2009-09-24 | Koito Mfg Co Ltd | Lighting equipment |
| CN106442565A (en) * | 2016-10-26 | 2017-02-22 | 中国科学院上海光学精密机械研究所 | Surface defect detection apparatus with high-speed laser line scanning |
| CN206584041U (en) * | 2016-11-14 | 2017-10-24 | 深圳市镭神智能系统有限公司 | A kind of light path system |
| CN207585532U (en) * | 2017-11-29 | 2018-07-06 | 深圳慎始科技有限公司 | A kind of rotation transmitting light formula laser scanning device |
-
2017
- 2017-11-29 CN CN201711223073.7A patent/CN108088364A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112120A (en) * | 1985-11-11 | 1987-05-23 | Fujitsu Ltd | Hologram scanner |
| JP2001091887A (en) * | 1999-09-24 | 2001-04-06 | Ricoh Co Ltd | Laser scanner |
| JP2002031685A (en) * | 2000-07-17 | 2002-01-31 | Denso Corp | Reflection measuring device |
| CN1532580A (en) * | 2003-03-19 | 2004-09-29 | 佳能株式会社 | Laser scanner |
| JP2009218115A (en) * | 2008-03-11 | 2009-09-24 | Koito Mfg Co Ltd | Lighting equipment |
| CN106442565A (en) * | 2016-10-26 | 2017-02-22 | 中国科学院上海光学精密机械研究所 | Surface defect detection apparatus with high-speed laser line scanning |
| CN206584041U (en) * | 2016-11-14 | 2017-10-24 | 深圳市镭神智能系统有限公司 | A kind of light path system |
| CN207585532U (en) * | 2017-11-29 | 2018-07-06 | 深圳慎始科技有限公司 | A kind of rotation transmitting light formula laser scanning device |
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