CN107270813A - One kind scanning lens device - Google Patents
One kind scanning lens device Download PDFInfo
- Publication number
- CN107270813A CN107270813A CN201710500821.5A CN201710500821A CN107270813A CN 107270813 A CN107270813 A CN 107270813A CN 201710500821 A CN201710500821 A CN 201710500821A CN 107270813 A CN107270813 A CN 107270813A
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- Prior art keywords
- scanning
- driver
- scanning mirror
- lens device
- mirror
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 5
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003319 supportive effect Effects 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
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
- G01B11/005—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates coordinate measuring machines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to field of measuring technique, specifically, it is related to a kind of scanning lens device.The scanning lens device includes scanning mirror and driver, wherein, scanning mirror is configured to cross section for polygonal mirror drum, and driver can drive scanning mirror to be rotated along the longitudinal axis.When being measured using the scanning survey working instrument comprising the scanning lens device, it can guarantee that measurement accuracy and improve measurement efficiency.
Description
Technical field
The invention belongs to field of measuring technique, specifically, it is related to a kind of scanning lens device.
Background technology
Computer technology, electronic technology and optical technology become more consummate day by day and the technology such as image procossing, pattern-recognition
Constantly progressive, vision measurement technology has been increasingly becoming the topmost monitoring means of large-scale component and status information of equipment.Mesh
Before, large-scale component and device measuring mainly include contact and contactless two kinds.For example, contact mainly has three-dimensional coordinates measurement
Machine, special measurer etc., the geometric parameter of target is detected using the method reclined.This method is inefficient, and measurement range has
Limit.And contactless mainly have laser tracker, total powerstation, theodolite etc..Laser tracker, total powerstation, theodolite are applied to
General field condition, ratio of precision is higher, but measurement efficiency is low, can only once realize spot measurement.
The content of the invention
It is part or all of for what is solved the above problems, scan lens device the invention provides one kind.
The present invention technical solution be, scanning lens device include scanning mirror, driver in addition to first end with it is described
The power transmission shaft of the output shaft connection of driver and be arranged on the power transmission shaft outside support component, the in the power transmission shaft
Two ends set workbench part, are provided for fixing the bearing assembly of the scanning mirror, the work in the workbench part upper surface
The lower surface for making platform part is provided with the positioning tube of evagination,
The lower frame for fixing the driver is socketed in the outside of the driver, and in the support component
Outside is socketed the upper side frame for fixing the support component, and the upper side frame is fixedly connected with the lower frame；
Wherein, the scanning mirror is the mirror drum that cross section is regular polygon, and the driver can drive described sweep
Mirror is retouched to rotate around the longitudinal axis；
The support component is configured to air bearing, and the power transmission shaft is floated through the interior of the air bearing
Circle；
The bearing assembly has：For the terminal pad being connected with the workbench part, on the lower surface of the terminal pad
Set groove to be matched with the positioning tube with the evagination being arranged on the lower surface of workbench part, have fixation on the boss of upper surface
Axle；
The scanning mirror is socketed in the fixing axle, and the lower surface of the scanning mirror and the boss of the terminal pad
Upper surface is abutted.
The radial direction full-size of the scanning mirror and the radial direction of the boss of the terminal pad are maximum sized than being 0.8-
0.9。
The driver constructions are neodymium iron boron torque motor.
Angular displacement sensor is set on the output shaft of the driver, and the scanning mirror construction is that cross section is positive eight side
The mirror drum of shape.
The scanning lens device is vertically fixed on base.
The present invention is advantageous in that, scanning lens device provided by the present invention is applied in large-scale measurement, due to
Scanning mirror is configured to polygon mirror drum, and this structure of one helps to increase the angle of visual field of horizontal direction, secondly this structure can
Accordingly to obtain multiple image, measuring speed is favorably improved, thirdly the scanning mirror of this structure can receive multiple mesh simultaneously
The projected image of thing is marked, so that measurement efficiency is significantly improved.Therefore, this measuring system can be applied to aerospace craft experiment, fly
The demand that the three-dimensional high-precisions such as machine structural strength static(al)/fatigue test, Large Radar measurement are dynamically measured, can also be generalized to and make
The heavy parts Multipoint synchronous three-dimensional measurement application in the fields such as ship, electric power, building, traffic.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing required in technology description to do simple introduction：
Fig. 1 shows the three-dimensional structure diagram of scanning lens device according to an embodiment of the invention；
Fig. 2 shows the profile of scanning lens device according to an embodiment of the invention；
Fig. 3 shows scanning survey working instrument according to an embodiment of the invention；
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to actual ratio.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, how the present invention is applied whereby
Technological means solves technical problem, and reaches the implementation process of technique effect and can fully understand and implement according to this.Need explanation
As long as not constituting each embodiment in conflict, the present invention and each feature in each embodiment can be combined with each other,
The technical scheme formed is within protection scope of the present invention.
Meanwhile, in the following description, many details are elaborated for illustrative purposes, to provide to of the invention real
Apply the thorough understanding of example.It will be apparent, however, to one skilled in the art, that the present invention can be without tool here
Body details or described ad hoc fashion are implemented.
Fig. 1 shows the scanning lens device of one embodiment of the invention.As illustrated in fig. 1 and 2, scanning lens device includes scanning
Mirror 1 and driver 2.Wherein, scanning mirror 1 be configured to cross section be regular polygon mirror drum, for towards measurement field in target
Thing, and a mirror-reflection for passing through scanning mirror 1.Driver 2 is used to drive scanning mirror 1 to rotate along the longitudinal axis.
In driver 2 drives the rotary course of scanning mirror 1, the light of the different directions in measurement field is anti-by scanning mirror 1
It is mapped on line-scan digital camera device 204 (being explained below), because scanning mirror 1 is configured to polygon mirror drum, several can be formed
Complete image.Thus, this structure is favorably improved the measuring speed of scanning survey working instrument.Further, scanning survey works
The angle of visual field of the horizontal direction of instrument is determined that thus, this structure is favorably improved the level of scanning survey working instrument by scanning mirror 1
The angle of visual field in direction.In addition, scanning mirror 1 can receive the two-dimensional projection image of multiple objects simultaneously, thus, it is favorably improved and sweeps
Retouch the measurement efficiency of measurement working instrument.
According to loading condition, in one embodiment, driver 2 is configured to neodymium iron boron torque motor.Neodymium iron boron torque electricity
The rotor of machine uses slotless configuration, so as to eliminate slot effect, reduces torque fluctuations, is conducive to the raising of low-speed performance.
In addition, big present invention utilizes neodymium iron boron torque motor electromagnetism air gap, armature inductance is small, and electrical time constant is small, and torque is big, mistake
Loading capability is strong, and electromechanical linear degree is more preferable, the advantages of fast reactivity is good, so as to improve smooth rotation and the rotation of scanning mirror 1
Turn precision.
In one embodiment, as shown in Fig. 2 scanning lens device also includes power transmission shaft 3 and support component 4.Wherein, it is driven
The first end of axle 3 is connected with the output shaft 21 of driver 2, for being driven revolving force to scanning mirror 1.Support component 4 is arranged on
The outside of power transmission shaft 3, for supporting and limiting power transmission shaft 3, to ensure the smooth rotation of power transmission shaft 3.In a preferred reality
Apply in example, wherein, support component 4 is configured to air bearing, and (Fig. 2 is the floated inner ring through air bearing of power transmission shaft 3
Gap between schematic diagram, and power transmission shaft 3 and support component 4 is smaller, is not depicted in Fig. 2).So as to power transmission shaft 3 and branch
Support component 4 is without Mechanical Contact, the advantages of make use of air bearing precision height, rotating speed height, long lifespan, vibrate small, to ensure to pass
The revolution accuracy of moving axis 3 is maintained at higher level.
At the second end of power transmission shaft 3, workbench part 5 is set, meanwhile, scanning constant mirror 1 is provided on workbench part 5
Bearing assembly 6.Workbench part 5 be configured to it is discoid, and on its lower surface set evagination positioning tube 51.In installation process
In, positioning tube 51 is set in the second end of power transmission shaft 3, for the position between positioning table part 5 and power transmission shaft 3.Pass through
This set, while the quick assembling table part 5 of energy and power transmission shaft 3, moreover it is possible to ensure both axial locations, so as to ensure
The running accuracy of scanning mirror 1.
In one embodiment, bearing assembly 6 has terminal pad 61, for being connected with workbench part 5.In terminal pad 61
Groove 62 is set on lower surface, to be matched with the protrusion disk 52 being arranged on the upper surface of workbench part 5.Set in terminal pad 61
Boss 63 is put, for supporting scanning mirror 1.In addition, fixing axle 64 is set on boss 63, for limiting scanning mirror 1.It is corresponding
Ground, mounting hole 11 is set in the y direction of scanning mirror 1.In installation process, fixing axle 64 is penetrated in mounting hole 11, and scanning
The lower surface of mirror 1 is abutted with the upper surface of boss 63, then compresses scanning mirror 1 to realize the fixation of scanning mirror 1 by y direction.It is logical
Transmission accuracy can be ensured by crossing this set, so as to ensure the rotation precision of scanning mirror 1.
In a preferred embodiment, the radial direction full-size of scanning mirror 1 and the maximum sized ratio of the radial direction of boss 63
For 0.85-0.95.For example, the radial direction full-size of scanning mirror 1 and the radial direction of boss 63 are maximum sized than being 0.9.By this
Kind setting can not only ensure the safety of scanning mirror 1 but also can be so that simple in construction be easily achieved.
Angular displacement sensor 7 is set on the output shaft 21 of driver 2.For example, angular displacement sensor 7 is configured to increment type
Circular gratings.By setting angular displacement sensor 7 to realize, position is fed back, and is conducive to the motion to scanning mirror 1 to be monitored and control
System.
In one embodiment, scanning mirror 1 is configured to the mirror drum that cross section is octagon.Then rotated in bearing assembly 6
One week, drive after the rotation of scanning mirror 1, the complete image of eight width can be formed.
As shown in Fig. 2 the outside socket joint type in driver 2 sets lower frame 121, for fixed drive 2.Meanwhile,
Lower frame 121 can be fixedly connected with the bottom plate of casing 400, and upper side frame 122 is set in the outside socket joint type of support component 4, with
For fixing support component 122.Upper side frame 122 is fixedly connected with lower frame 121.
The present invention can be used for scanning survey working instrument.As shown in figure 3, scanning survey working instrument includes base 201, head
202nd, support frame 203, scanning lens device 100 and line-scan digital camera device 204.Wherein, base 201 plays a supportive role, for that will sweep
Retouch measurement working instrument and be fixed on specific position.Head 202 is arranged on base 201, and is rotatably connected with base 201.
Specifically, the corresponding base 201 of the energy of head 202 rotates around longitudinal direction.And realize that the structure of this connected mode is ability
What field technique personnel can select according to prior art, it will not be repeated here.Support frame 203 is set on head 202.Support frame
203 have supporting plate 206 and be arranged on supporting plate 206 two ends and with the rectilinear engaging lug being fixedly connected of supporting plate 206
207.Engaging lug 207 is arranged on the two ends of head 202 and is hinged with head 202.So as in the corresponding head 202 of engaging lug 207
During around transverse rotation, supporting plate 202 is driven to rotate.Scanning lens device 100 is arranged on support frame 203, and to object
Two-dimensional projection image is reflected.Line-scan digital camera device 204 is also disposed on support frame 203, for anti-to scanning lens device 100
The image penetrated carries out non real-time focusing with the blur-free imaging in field depth, and the linear array images formed are processed into picture number
According to.By above-mentioned setting, support frame 203 can drive scanning lens device 100 and line-scan digital camera device 204 can be around longitudinal rotation
Turning also can be around transverse rotation, so as to more easily adjust measurement angle and orientation.
As shown in figure 3, line-scan digital camera device 204 is fixed on support frame 203 by camera support component 300.In support
Casing 400 is set on frame 203 to set the covers such as scanning lens device 100, line-scan digital camera device 204 and camera support device 300
Get up.By setting casing 400, on the one hand, protect scanning lens device 100 and the grade of line-scan digital camera device 204 from the external world
Collide with or damage, on the other hand, dustproof effect can be played, allow scanning lens device 100 and line-scan digital camera device 204 within which
Deng more preferable work.
During being measured using scanning survey working instrument, many measurement work can be typically arranged in measurement field
Instrument.Arrange at least two to measure working instrument and measure same target simultaneously, same tested target is formed in different measurement working instruments
Corresponding projection, measurement working instrument obtains angle information vertically and horizontally of the tested target relative to measurement working instrument.For meter
The three-dimensional coordinate of tested target is calculated, it is necessary to be matched to projection of the same tested target on different measurement working instruments, according to
Matching result will measure the angle information that working instrument is obtained, and be input to space intersection's measuring unit, carry out D coordinates value calculating.
It should be understood that disclosed embodiment of this invention is not limited to specific structure disclosed herein, and it should prolong
Reach the equivalent substitute for these features that those of ordinary skill in the related art are understood.It is to be further understood that using herein
Term be only used for describing the purpose of specific embodiment, and be not intended to limit.
" one embodiment " or " embodiment " mentioned in specification means special characteristic, the structure described in conjunction with the embodiments
Or during characteristic is included at least one embodiment of the present invention.Therefore, the phrase " reality that specification various places throughout occurs
Apply example " or " embodiment " same embodiment might not be referred both to.
Although above-mentioned example is used to illustrate principle of the present invention in one or more applications, for the technology of this area
For personnel, in the case of the principle and thought without departing substantially from the present invention, hence it is evident that can in form, the details of usage and implementation
It is upper various modifications may be made and without paying creative work.Therefore, the present invention is defined by the appended claims.
Claims (4)
1. one kind scanning lens device, it is characterised in that including scanning mirror, driver in addition to first end and the driver
The power transmission shaft of output shaft connection is set with the support component in the outside for being arranged on the power transmission shaft, at the second end of the power transmission shaft
Workbench part, is provided for fixing the bearing assembly of the scanning mirror in the workbench part upper surface, the workbench part
Lower surface is provided with the positioning tube of evagination,
The lower frame for fixing the driver is socketed in the outside of the driver, and in the outside of the support component
The upper side frame for fixing the support component is socketed, the upper side frame is fixedly connected with the lower frame；
Wherein, the scanning mirror is the mirror drum that cross section is regular polygon, and the driver can drive the scanning mirror
Around longitudinal axis rotation；
The support component is configured to air bearing, and the floated inner ring through the air bearing of the power transmission shaft；
The bearing assembly has：For the terminal pad being connected with the workbench part, set on the lower surface of the terminal pad
Groove is matched with the positioning tube with the evagination being arranged on the lower surface of workbench part, has fixing axle on the boss of upper surface；
The scanning mirror is socketed in the fixing axle, and the lower surface of the scanning mirror and the upper end of the boss of the terminal pad
Face is abutted.
The radial direction full-size of the scanning mirror and the radial direction of the boss of the terminal pad are maximum sized than being 0.8-0.9.
2. a kind of scanning lens device according to claim 1, it is characterised in that the driver constructions are neodymium iron boron torque
Motor.
3. a kind of scanning lens device according to claim 1, it is characterised in that set on the output shaft of the driver
Angular displacement sensor, the scanning mirror construction is the mirror drum that cross section is octagon.
4. a kind of scanning lens device according to claim 1, it is characterised in that the scanning lens device is vertically fixed on bottom
On seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500821.5A CN107270813A (en) | 2017-06-27 | 2017-06-27 | One kind scanning lens device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500821.5A CN107270813A (en) | 2017-06-27 | 2017-06-27 | One kind scanning lens device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107270813A true CN107270813A (en) | 2017-10-20 |
Family
ID=60068899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500821.5A Pending CN107270813A (en) | 2017-06-27 | 2017-06-27 | One kind scanning lens device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107270813A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359407A (en) * | 1990-12-28 | 1994-10-25 | Canon Kabushiki Kaisha | Optical scanning apparatus, surface-state inspection apparatus and exposure apparatus |
| CN1247991A (en) * | 1998-09-14 | 2000-03-22 | 佳能株式会社 | Multi-beam scanning device |
| EP0977982B1 (en) * | 1997-04-25 | 2002-11-13 | Baumer Optronic GmbH | Sensor unit, process and device for inspecting the surface of an object |
| CN1971336A (en) * | 2005-11-22 | 2007-05-30 | 三星电子株式会社 | Light deflecting apparatus |
| CN101187731A (en) * | 2006-11-24 | 2008-05-28 | 株式会社理光 | Scanning unit and image forming apparatus |
| CN101517870A (en) * | 2006-11-27 | 2009-08-26 | 松下电器产业株式会社 | Polygon mirror scanner motor and method of manufacturing the same |
| CN102944933A (en) * | 2012-11-27 | 2013-02-27 | 凌昆 | Ultrahigh-speed laser rotating scan mirror |
| CN104715219A (en) * | 2013-12-13 | 2015-06-17 | 三纬国际立体列印科技股份有限公司 | Scanning device |
| CN204595326U (en) * | 2014-04-25 | 2015-08-26 | 美蓓亚株式会社 | Polygon mirror scanner motor |
-
2017
- 2017-06-27 CN CN201710500821.5A patent/CN107270813A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359407A (en) * | 1990-12-28 | 1994-10-25 | Canon Kabushiki Kaisha | Optical scanning apparatus, surface-state inspection apparatus and exposure apparatus |
| EP0977982B1 (en) * | 1997-04-25 | 2002-11-13 | Baumer Optronic GmbH | Sensor unit, process and device for inspecting the surface of an object |
| CN1247991A (en) * | 1998-09-14 | 2000-03-22 | 佳能株式会社 | Multi-beam scanning device |
| CN1971336A (en) * | 2005-11-22 | 2007-05-30 | 三星电子株式会社 | Light deflecting apparatus |
| CN101187731A (en) * | 2006-11-24 | 2008-05-28 | 株式会社理光 | Scanning unit and image forming apparatus |
| CN101517870A (en) * | 2006-11-27 | 2009-08-26 | 松下电器产业株式会社 | Polygon mirror scanner motor and method of manufacturing the same |
| CN102944933A (en) * | 2012-11-27 | 2013-02-27 | 凌昆 | Ultrahigh-speed laser rotating scan mirror |
| CN104715219A (en) * | 2013-12-13 | 2015-06-17 | 三纬国际立体列印科技股份有限公司 | Scanning device |
| CN204595326U (en) * | 2014-04-25 | 2015-08-26 | 美蓓亚株式会社 | Polygon mirror scanner motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |