CN206650733U - Quick 3D scanners - Google Patents
Quick 3D scanners Download PDFInfo
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- CN206650733U CN206650733U CN201720353413.7U CN201720353413U CN206650733U CN 206650733 U CN206650733 U CN 206650733U CN 201720353413 U CN201720353413 U CN 201720353413U CN 206650733 U CN206650733 U CN 206650733U
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- scanning means
- speculum
- scanners
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of quick 3D scanners, including base, support and scanning means.Scanning means includes cover plate of outer casing, two measuring units, two speculums and fixed plate.Two reverse horizontal of measuring unit of scanning means, i.e. two measuring units have identical optical axis, but backwards to placing, are fixed in one piece of fixed plate, and be rigidly connected with it；Measuring unit includes a projection arrangement and two cameras；Two cameras are arranged in projection arrangement both sides, and the optical axis of two cameras and the optical axis of projection arrangement intersect at a point, and are generally aligned in the same plane；It is fixedly mounted on outside two measurement units with the symmetrically placed speculum of fixed angle, speculum in fixed plate, and mirror surface, to measured object slant setting, angle of inclination is between 50 to 70 degree.The scanner small volume, in light weight, cost is low, and reliability is high, and precision is high.
Description
Technical field
The present invention relates to field of optical detection, more particularly to a kind of novel quick 3D scanners.
Background technology
The face 3D scanner technologies of existing comparative maturity are structural light three-dimensional scanning techniques, pass through structure light coding skill
Art, the disposable measurement of face is realized, there is the clear superiority that speed is fast and precision is high, the structural light three-dimensional scanning based on projection
Technology turns into current mainstream technology means.But due to needing to extract human face scanning feature, it is therefore desirable to obtain
The image of face both sides, it is common practice to two scan components by a long-armed connection, as shown in Figure 1.Using this
The 3D scanners volume of method is heavy, and the relative position error of two scan components is big.
As shown in figure 1, prior art generally by gauge head 1a, gauge head 1b, flash lamp 2 and support 3 form in order to
Gauge head 1a and 1b provide specific angle, and the general size of support 3 is larger, and in order to meet rigidity requirement, its cross section also compared with
Greatly.In order to provide suitable brightness to face shooting, the polishing of flash lamp 2 is used.Under normal circumstances, gauge head 1a and support 3 use
It is fixedly connected, same gauge head 1b is used with support 3 and is fixedly connected.The column 31 and column 32 of support 3 are connected to the crossbeam of support 3
On 33, flash lamp 2 is fixedly connected on crossbeam 33.It is made up of with support 3 base 34, column 31 and 32, crossbeam 33, relative position
It is fixed.
It is clear that there is problems with prior art：
(1) product size is big, very heavy；
The site error of (2) two gauge heads is big, and scanning accuracy is damaged；
(3) cost is high.
The content of the invention
The problem of existing for prior art, the present invention propose a kind of quick 3D scanners, including base, support and scanning
Device, wherein, base is fixedly connected with " ┣ " type support, and scanning means is flexibly connected with the right side extrusions of support, is easy to sweep
Imaging apparatus rotates as needed, it is characterised in that scanning means include cover plate of outer casing, two measuring units 1a and 1b, two it is anti-
Penetrate mirror 4a and 4b and fixed plate 7, the wherein reverse horizontal of the two of scanning means measuring unit 1a and 1b, i.e. two measuring unit 1a
There is identical optical axis with 1b, but backwards to placing, be fixed in one piece of fixed plate 7, and be rigidly connected with it；
Each measuring unit 1a and 1b include projection arrangement and camera；The optical axis of camera and the optical axis of projection arrangement intersect
In a bit, and it is generally aligned in the same plane；The light of projection arrangement projection reflexes to measured object surface through speculum 4a or 4b, and in quilt
Survey thing surface and produce reflection, camera receives the light reflected back from testee surface, and the phase of light is received by camera
Potential difference obtains surface topography；
Fixed outside two measurement unit 1a and 1b with the symmetrically placed speculum 4a and 4b of fixed angle, speculum 4a and 4b
In fixed plate 7, and speculum 4a and 4b, towards measured object slant setting, angle of inclination is between 50 to 70 degree.
In one embodiment of the invention, scanning means includes two cameras for being arranged in projection arrangement both sides.
In one particular embodiment of the present invention, two cameras are arranged symmetrically in projection arrangement both sides.
In one embodiment of the invention, the front of scanning means towards measured object there also is provided light compensating lamp 6, i.e. mend
Light lamp 6 is fixed on the cover plate of outer casing of scanning means, for strengthening the swept brilliance of scanner.
In one particular embodiment of the present invention, speculum 4a and 4b angle of inclination is 55 degree.
In one particular embodiment of the present invention, light compensating lamp 6 and cover plate of outer casing integrated setting
Product of the present invention can reduce equipment size, the volume of 3D scanners is reduced from landing equipment into desk device, weight
Amount is also corresponding to be mitigated.The cost of product is accordingly greatly reduced.Make product highly compact using speculum, connected using connecting plate 7
Two measuring units, total system reliability is greatly improved, ensure system accuracy.The quick 3D scanners of the present invention have following
Feature：
(1) the reverse horizontal of measuring unit, installed with a connecting plate；
(2) speculum is placed on both sides；
(3) positive light bar installation.
Brief description of the drawings
Fig. 1 shows prior art 3D beam scanner system composition schematic diagrams, and wherein Fig. 1 (a) shows the scheme of prior art
Front view, Fig. 1 (b) show the side view of prior art, and Fig. 1 (c) shows the top view of prior art；
Fig. 2 shows 3D beam scanner systems composition schematic diagram of the present invention, and wherein Fig. 2 (a) is front view, and Fig. 2 (b) is side view
Figure；
The internal structure schematic diagram of the scanning means for the 3D scanners of the present invention that Fig. 3 is overlooked downwards from Fig. 2 surface；
Fig. 4 shows the instrumentation plan of 3D scanners of the present invention.
Embodiment
Fig. 2 shows the front view and side view of quick 3D scanners of the invention, it can be seen that quick 3D scanners
Comprising base, support and scanning means, similar to the display of computer, base is fixed with " ┣ " type support to be connected its general configuration
Connect, scanning means is flexibly connected with the right side extrusions of support, is easy to scanning means to rotate as needed, is shown similar to computer
Show the connected mode of device and support.
With reference to Fig. 2 and Fig. 3, scanning means include cover plate of outer casing, two measuring units 1a and 1b, two speculum 4a and
4b, light compensating lamp 6 and fixed plate 7.Wherein Fig. 3 shows the internal junction from scanning means seen by Fig. 2 (a) overhead view scanning means
Structure (figure ignores the cover plate of outer casing of scanning means).As shown in figure 3, two measuring units 1a and 1b of scanning means are reversely put down
Put, i.e. two measuring units 1a and 1b have identical optical axis, but backwards to placing, are fixed in one piece of fixed plate 7, and firm with it
Property links together.Projection arrangement and camera are included in measuring unit.Projection arrangement projects for DLP, and throw light is through speculum
Reflex to measured object surface.Camera optical axis and projection optical axis intersect at a point, and are generally aligned in the same plane.Camera is received from tested
The light that body surface reflects back, the phase difference for receiving light by camera obtain surface topography.In actual applications, camera
Two can be used, one can also be used, determined as needed.If using two, this two cameras are arranged in throwing
Image device both sides, for convenience, it can be arranged symmetrically.Shown a case that in figure using two cameras.
Two measurement units (1a and 1b) are outside with the symmetrically placed speculum 4a and 4b of fixed angle, speculum 4a and 4b faces
To measured object slant setting, its angle of inclination determines according to measurement empirical value, generally between 50 to 70 degree, preferably 55 degree,
Speculum 4a and 4b are fixedly mounted in fixed plate 7.
The light path of scanner is illustrated by taking measuring unit 1a as an example.The light of measuring unit 1a projections passes through speculum
4a is reflexed on measured object, and reflected light is produced at measured object, and a part of reflected light can be reflexed on speculum 4a, then via anti-
Penetrate mirror 4a to be reflected back in measuring unit 1a, the camera being measured in unit 1a receives.Situation is identical at measuring unit 1b.
In addition, as shown in Fig. 2 being provided with light compensating lamp 6 in the front of scanner of the present invention, light compensating lamp 6 can include some
Individual light source, such as six LEDs of the parallel longitudinal arrangement shown in figure, if light source is sufficiently strong, it can also only use one
Light source, had so both enhanced the swept brilliance of scanner, and the device space is saved because of integrated design.It can also use
The light compensating lamp of other light sources type or other installation sites, such as light bar, as is known to the person skilled in the art.
Compared to prior art, design of the invention adds speculum.If without speculum, measuring system 1a and 1b
Will face carries out mirror image installation centered on speculum respectively, such as the installation site of existing measuring system, size can increase 2 times
Left and right.
Fig. 4 shows the instrumentation plan of 3D scanners of the present invention, and wherein measured object is behaved.
Small product size of the present invention reduces into desk device, weight from landing equipment and also accordingly mitigated.The cost of product is corresponding
It is greatly reduced.Make product highly compact using speculum, connect two measuring units using connecting plate 7, greatly improve overall system
System reliability, ensures system accuracy.The quick 3D scanners of the present invention have following features：
(1) the reverse horizontal of measuring unit, installed with a connecting plate.
(2) speculum is placed on both sides.
(3) front installation light bar.
Claims (6)
1. a kind of quick 3D scanners, including base, support and scanning means, wherein, base withType support, which is fixed, to be connected
Connect, scanning means is flexibly connected with the right side extrusions of support, is easy to scanning means to rotate as needed, it is characterised in that is swept
Imaging apparatus includes cover plate of outer casing, two measuring units (1a and 1b), two speculums (4a and 4b) and fixed plate (7), wherein
Two measuring units (1a and 1b) reverse horizontal of scanning means, i.e. two measuring units (1a and 1b) have identical light
Axle, but backwards to placing, be fixed on one piece of fixed plate (7), and be rigidly connected with it；
Each measuring unit (1a and 1b) includes projection arrangement and camera；The optical axis of camera and the optical axis of projection arrangement intersect at
A bit, and it is generally aligned in the same plane；The light of projection arrangement projection reflexes to measured object surface through speculum (4a or 4b), and in quilt
Survey thing surface and produce reflection, camera receives the light reflected back from testee surface, and the phase of light is received by camera
Potential difference obtains surface topography；
Two measurement units (1a and 1b) are outside solid with the symmetrically placed speculum of fixed angle (4a and 4b), speculum (4a and 4b)
Dingan County is in fixed plate (7), and speculum (4a and 4b), towards measured object slant setting, angle of inclination is in 50 to 70 degree
Between.
2. 3D scanners as claimed in claim 1 quick, wherein scanning means, which include, is arranged in two of projection arrangement both sides
Camera.
3. quick 3D scanners as claimed in claim 2, wherein two cameras are arranged symmetrically in projection arrangement both sides.
4. quick 3D scanners as claimed in claim 1, the front of scanning means towards measured object there also is provided light compensating lamp
(6), i.e. light compensating lamp (6) is fixed on the cover plate of outer casing of scanning means, for strengthening the swept brilliance of scanner.
5. the quick 3D scanners as described in any one of Claims 1-4, the angle of inclination of speculum (4a and 4b) is 55
Degree.
6. quick 3D scanners as claimed in claim 4, wherein light compensating lamp (6) and cover plate of outer casing integrated setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353413.7U CN206650733U (en) | 2017-04-06 | 2017-04-06 | Quick 3D scanners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353413.7U CN206650733U (en) | 2017-04-06 | 2017-04-06 | Quick 3D scanners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206650733U true CN206650733U (en) | 2017-11-17 |
Family
ID=60275535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720353413.7U Active CN206650733U (en) | 2017-04-06 | 2017-04-06 | Quick 3D scanners |
Country Status (1)
| Country | Link |
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| CN (1) | CN206650733U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062792A (en) * | 2018-02-11 | 2018-05-22 | 苏州笛卡测试技术有限公司 | A kind of dental prosthetic design method and device based on three-dimensional scanner |
| CN109099839A (en) * | 2018-08-23 | 2018-12-28 | 武汉中观自动化科技有限公司 | It is a kind of for measuring the scanner auxiliary accessories and method of workpiece surface circular hole |
| CN109269442A (en) * | 2018-09-30 | 2019-01-25 | 先临三维科技股份有限公司 | Three-dimensional scanner, nail three-dimensional scanner and its nail scan method |
| CN109341575A (en) * | 2018-09-30 | 2019-02-15 | 先临三维科技股份有限公司 | Three-dimensional scanner and its nail scan method |
-
2017
- 2017-04-06 CN CN201720353413.7U patent/CN206650733U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062792A (en) * | 2018-02-11 | 2018-05-22 | 苏州笛卡测试技术有限公司 | A kind of dental prosthetic design method and device based on three-dimensional scanner |
| CN109099839A (en) * | 2018-08-23 | 2018-12-28 | 武汉中观自动化科技有限公司 | It is a kind of for measuring the scanner auxiliary accessories and method of workpiece surface circular hole |
| CN109269442A (en) * | 2018-09-30 | 2019-01-25 | 先临三维科技股份有限公司 | Three-dimensional scanner, nail three-dimensional scanner and its nail scan method |
| CN109341575A (en) * | 2018-09-30 | 2019-02-15 | 先临三维科技股份有限公司 | Three-dimensional scanner and its nail scan method |
| CN109269442B (en) * | 2018-09-30 | 2024-03-22 | 先临三维科技股份有限公司 | Three-dimensional scanning device, nail three-dimensional scanning device and nail scanning method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Quan Inventor after: Yang Tao Inventor after: Li Huanhuan Inventor after: Ming Xiangye Inventor after: Che Yucai Inventor before: Li Quan Inventor before: Zhou Xiang Inventor before: Yang Tao Inventor before: Li Huanhuan Inventor before: Ming Xiangye Inventor before: Che Yucai |