KR20160105259A - 3d scanner - Google Patents

3d scanner Download PDF

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Publication number
KR20160105259A
KR20160105259A KR1020150085449A KR20150085449A KR20160105259A KR 20160105259 A KR20160105259 A KR 20160105259A KR 1020150085449 A KR1020150085449 A KR 1020150085449A KR 20150085449 A KR20150085449 A KR 20150085449A KR 20160105259 A KR20160105259 A KR 20160105259A
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KR
South Korea
Prior art keywords
scan
side wall
sidewall
main body
present
Prior art date
Application number
KR1020150085449A
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Korean (ko)
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KR101743724B1 (en
Inventor
박현수
김동민
Original Assignee
주식회사 디오에프연구소
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Priority to PCT/KR2016/001967 priority Critical patent/WO2016137296A1/en
Publication of KR20160105259A publication Critical patent/KR20160105259A/en
Application granted granted Critical
Publication of KR101743724B1 publication Critical patent/KR101743724B1/en

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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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2545—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object with one projection direction and several detection directions, e.g. stereo

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The present invention relates to a three-dimensional scanner, capturing a real object such as a dental model to generate data of a three-dimensional shape. According to one embodiment of the present invention, the three-dimensional scanner comprises: a main body having a first side wall and a second side wall connected to the first side wall; a support unit protruding from one side of the first side wall to face the second side wall and supporting the object to be scanned; and a scan module provided to the second side wall to scan the object to be scanned supported by the support unit. The main body can have a shape where an upper side of the main body is opened.

Description

3D SCANNER {3D SCANNER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional scanner that scans a real object such as a tooth model to generate a three-dimensional shape as data.

In recent years, a three-dimensional scanner has been widely used for photographing real objects such as dental restorations, various automobile parts, smart phones, and the like to generate three-dimensional shapes as data.

Korean Registered Patent No. 10-1484561 (Registered on January 20, 2015) discloses a "three-dimensional measuring device" (hereinafter, referred to as "prior art").

1 is a diagram showing a conventional technique.

Referring to FIG. 1, a three-dimensional measuring apparatus according to the related art includes a measurement object 3 such as a tooth model or the like placed in an inner space 2 of a main body 1 forming an outer appearance.

However, since the body 1 of the conventional three-dimensional measuring apparatus is provided with the upper portion 4, there is a problem that it is inconvenient to place the measurement object 3 in the internal space 2. [ Further, the size of the inner space 2 is inevitably limited by the upper portion 4, and thus there is a problem that the size of the measurable object 3 to be measured is limited.

The reason why the main body 1 of the three-dimensional measuring apparatus according to the prior art is provided with the upper portion 4 is that the configuration of a camera and a projector for photographing the measurement target 3 Dimensional measurement device according to the prior art has a problem in that the upper part 4 is formed thick.

Korean Registered Patent No. 10-1484561 (Registration Announcement 2015.01.20)

SUMMARY OF THE INVENTION The present invention provides a three-dimensional scanner which is easy to position a scanned object and does not limit the size of a scanned object.

A three-dimensional scanner according to an embodiment of the present invention includes a main body including a first sidewall and a second sidewall connected to the first sidewall; A support portion protruding from one side of the first sidewall and facing the second sidewall, the support portion supporting the scan object; And a scan module which is provided on the second side wall and scans the scan object supported by the support portion. The main body may have an open shape.

The main body of the three-dimensional scanner according to an embodiment of the present invention may have a third side facing the first side wall and a second side facing the second side wall.

In addition, the second side wall of the three-dimensional scanner according to an embodiment of the present invention may be perpendicularly connected to the first side wall.

In addition, the main body of the three-dimensional scanner according to an embodiment of the present invention may have an 'a' shape.

Also, the scan module of the three-dimensional scanner according to an embodiment of the present invention may be provided inside the second side wall, and a scan hole may be provided on the inner side surface of the second side wall.

The scan module of the three-dimensional scanner according to an embodiment of the present invention includes a projector for irradiating the scan object with pattern light for scanning, a camera for photographing an image formed on the scan object from the pattern light irradiated on the scan object, Wherein the projector is vertically installed inside the second sidewall so as to irradiate the pattern light in a vertical direction, and light irradiated from the projector is irradiated to the measurement object through the scan hole under the scan module And the camera may be installed in a vertical direction so as to photograph an image formed on the scan object through the reflector.

Further, the supporting part of the three-dimensional scanner according to an embodiment of the present invention may include: a plate rotatably provided on an inner surface of the first side wall; A support arm projecting from one edge of the plate and facing the inner side surface of the second side wall; And a rotation plate rotatably installed at one end of the support arm and mounted with the scan object.

The three-dimensional scanner according to an embodiment of the present invention is not limited to the size of the object to be scanned because it is easy to position the object to be scanned because the upper part of the body is not provided.

In addition, since the three-dimensional scanner according to the embodiment of the present invention is composed of two surfaces that are connected to each other at substantially right angles, a compact overall appearance can be formed.

Also, in order to make the overall appearance more compact, the second side wall is slimly formed to be thin, and even if the projector and the camera installed inside the second side wall are installed in a substantially vertical direction, Since a mirror is provided under the scan module and a scan hole is provided on the inner surface of the second sidewall, scan of the scan object facing the inner surface of the second sidewall can be performed.

The effects according to the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims and the detailed description It will be possible.

Figure 1 is a schematic representation of the prior art,
2 is a perspective view showing a three-dimensional scanner according to an embodiment of the present invention,
FIG. 3 is a view showing a state in which a scan object is mounted on the three-dimensional scanner according to FIG. 2,
FIG. 4 is a plan view of the three-dimensional scanner according to FIG. 2,
5 is a view showing a state in which the support portion is rotated by a predetermined angle,
6 to 8 are photographs of actual products of a three-dimensional scanner according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. Rather, the intention is not to limit the invention to the particular forms disclosed, but rather, the invention includes all modifications, equivalents and substitutions that are consistent with the spirit of the invention as defined by the claims.

Relative terms such as 'above', 'side', and the like can be used herein to describe the relationship between configurations on the basis of the directions shown in the drawings, and the present invention is not limited by such terms. Also, in the accompanying drawings, thickness and size may be exaggerated for clarity of description, and the present invention is not limited by the relative size or thickness shown in the accompanying drawings.

Also, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

FIG. 2 is a perspective view showing a three-dimensional scanner according to an embodiment of the present invention, FIG. 3 is a view showing a state where a scan object is mounted on the three-dimensional scanner according to FIG. 2, Fig.

2 to 4, a three-dimensional scanner 10 according to an embodiment of the present invention includes a main body 20, a support 30 for supporting the scan target 12, And a scan module 40.

The body 20 includes a first sidewall 22 and a second sidewall 24 connected to the first sidewall 22. The support 30 includes a first sidewall 22 And the scan module 40 is provided on the second sidewall 24 so as to scan the scan object 12 supported by the support portion 30 facing the second sidewall 24.

3, the tooth model is described as the measurement object 12 in the present embodiment. However, the present invention is not limited thereto, and the three-dimensional scanner 10 according to the present invention can scan the object 12) may include not only real objects such as various automobile parts, smart phones, etc., but also all the models of such real objects.

The main body 20 may be formed in an open state.

The main body 20 may have an imaginary third side face 25 facing the first side wall 22 and an imaginary fourth side face 26 facing the second side wall 24 in an open form.

Also, the second sidewall 24 may be connected to the first sidewall 22 at a generally right angle.

4, the main body 10 of the three-dimensional scanner 10 according to the present embodiment has an upper, a third side 23 and a fourth side 25 in an approximately ' Lt; / RTI >

As described above, when the main body 20 is formed in a substantially 'A' shape having the upper, third, and fourth side surfaces 23 and 25 opened, it is easy to position the scan object 12 in the support portion 30 And is not limited by the size of the object to be scanned 12 that can be placed on the support 30.

Here, the upper portion means an upper portion surrounded by the first sidewall 22, the second sidewall 24, the imaginary third side 23, and the imaginary fourth side 25.

Also, although not shown in the drawing, the main body 20 according to an embodiment of the present invention may further include a bottom portion, but the present invention is not limited thereto.

On the other hand, as described above, the main body 1 of the three-dimensional measuring apparatus according to the prior art is provided with the upper portion 4 because the camera, the projector, etc., .

The main body 20 of the three-dimensional scanner 10 according to the present invention is configured to facilitate the positioning of the scan object 12 and to prevent the scan object 12 from being restricted in size, The scan module 40 for scanning the scan object 12 is provided on the second sidewall 24 facing the support portion 30 on which the scan object 12 is supported .

Therefore, the three-dimensional scanner 10 according to the present invention has a structure in which the main body 20 is opened at an upper part thereof, but the scan module 40 includes a second side wall 24, it is possible to scan the object 12 to be scanned.

In addition, the scan module 40 may be provided inside the second side wall 24. In this case, the scan hole 28 may be formed on the inner side surface 23 of the second side wall 24. [

Therefore, the scan object 12 supported by the support part 30 can be scanned through the scan hole 28 even if the scan module 40 is provided inside the second sidewall 24.

The scan module 40 includes a projector 42 for irradiating the scan object 12 with scan pattern light L and an image formed on the scan object 12 from the pattern light L irradiated onto the scan object 12 And a camera 43 for photographing. Two cameras 43 may be provided on both sides of the projector 42.

Although not shown in the drawing, the three-dimensional scanner 10 according to an embodiment of the present invention is a three-dimensional (2D) scanner of a scanned object 12 using image data of a scanned object 12 acquired by a camera 43, And a control operation unit (not shown) for generating a model.

Accordingly, in the three-dimensional scanner 10 according to the embodiment of the present invention, the projector 42 irradiates the scan object 12 with the pattern light L for scanning, and the camera 43 is moved to the scan object 12 A control operation unit (not shown) captures an image formed on the scan object 12 by the irradiated pattern light L and acquires image data using a three-dimensional scan modeling algorithm Dimensional digital model of the object 12 to be scanned.

The projector 42 and the camera 43 may be installed in a top-down direction, that is, in a substantially vertical direction so that the second side wall 24 can take a slim shape. Below the projector 42, And a reflector 45 for reflecting the patterned light L to the scan object 12 through the scan hole 28. [

The pattern light L irradiated from the projector 42 is reflected by the reflecting mirror 45 to be incident on the scan hole 28 And the camera 43 may be able to take an image formed on the scan object 12 through the reflector 45.

The support portion 30 includes a plate 32 rotatably provided on the inner side surface 21 of the first side wall 22 and an inner side surface 23 of the second side wall 24 protruding from one edge of the plate 32 And a rotary plate 35 rotatably mounted on one end of the support arm 34 and mounted with the object 12 to be scanned.

3, the three-dimensional scanner 10 according to the embodiment of the present invention has a structure in which the height of the object to be scanned 12 fixed to the rotary plate 35 is approximately horizontal to the height of the scan hole 28 And a bracket 37 to be mounted on the rotary plate 35 in a state where the scan object 12 is fixed.

5 is a view showing a state in which the support portion is rotated by a predetermined angle.

5, the supporting part 30 of the three-dimensional scanner 10 according to an embodiment of the present invention may be provided to be rotatable by a predetermined angle. For this purpose, a three-dimensional scanner (10) may include a driving unit provided on the main body (20) to rotate the support unit (30).

The driving unit may include a first driving unit for rotating the plate 32 and a second driving unit for rotating the rotating plate 35. The first driving unit and the second driving unit may include a plate 32 and a rotating plate 35 And may be provided so as to be rotated in different directions.

The control operation unit controls the first driving unit and the second driving unit to rotate the plate 32 and the rotary plate 35 in different directions and rotate the scanning pattern light L through the projector 42 And the image data obtained by photographing the image formed on the object 12 by the pattern light L irradiated onto the object to be scanned 12 through the camera 43 is used to scan A three-dimensional digital model of the object 12 can be constructed.

6 to 8 are photographs of actual products of a three-dimensional scanner according to an embodiment of the present invention.

As shown in FIG. 6, the three-dimensional scanner according to an exemplary embodiment of the present invention includes two side walls connected to each other at substantially right angles, so that a compact overall appearance can be formed.

6 and 7, the three-dimensional scanner according to the embodiment of the present invention is not limited to the size of the object to be scanned, that is, the object to be scanned having a small size, for example, Not only the tooth model 13 but also a large-sized scan object, for example, an articulator 15 in which an upper tooth model and a lower tooth model of FIG. 7 are combined can be easily positioned without limitation.

Also, as shown in FIG. 8, in the three-dimensional scanner according to the embodiment of the present invention, the reflector is visible on the front side of the scan hole, and the projector and the lens of the camera are illuminated on the reflector.

As described above, the present invention relates to a three-dimensional scanner which has an open top of the main body and is easy to position a scanning object, and is not limited by the size of the object to be scanned. It will be possible. Accordingly, the present invention is not limited to the embodiments disclosed herein, and all changes which can be made by those skilled in the art are also within the scope of the present invention.

10: 3D scanner 12: Scanned object
20: main body 22: first side wall
24: second side wall 28: scan hole
30: Support 32: Plate
34: Support arm 35:
40: scan module 42: projector
43: Camera

Claims (7)

A body including a first side wall, and a second side wall connected to the first side wall;
A support portion protruding from one side of the first sidewall and facing the second sidewall, the support portion supporting the scan object; And
And a scan module that is provided on the second side wall and scans a scan object supported by the support portion,
Wherein the main body has an open top. The method according to claim 1,
Wherein the main body has a third side facing the first side wall and a second side facing the second side wall. The method according to claim 1,
And the second side wall is connected to the first side wall at a right angle. The method according to claim 1,
Wherein the main body has a shape of a letter " a ". The method according to claim 1,
Wherein the scan module is provided inside the second sidewall, and a scan hole is provided on the inner side surface of the second sidewall. 6. The method of claim 5,
Wherein the scan module includes a projector for irradiating the scan object with pattern light for scanning and a camera for capturing an image formed on the object to be scanned from the pattern light irradiated to the object,
The projector is installed vertically in the second sidewall to irradiate the pattern light in a vertical direction, and a reflector, which reflects light emitted from the projector to the measurement object through the scan hole, And the camera is installed in a vertical direction so as to take an image formed on the scan object through the reflector. The method according to claim 1,
The support portion
A plate rotatably disposed on an inner surface of the first side wall;
A support arm projecting from one edge of the plate and facing the inner side surface of the second side wall; And
And a rotating plate rotatably installed at one end of the support arm and to which the scan object is mounted.
KR1020150085449A 2015-02-26 2015-06-16 3d scanner KR101743724B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2016/001967 WO2016137296A1 (en) 2015-02-26 2016-02-26 Three-dimensional scanner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20150027663 2015-02-26
KR1020150027663 2015-02-26

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KR20160105259A true KR20160105259A (en) 2016-09-06
KR101743724B1 KR101743724B1 (en) 2017-06-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180099497A (en) * 2017-02-27 2018-09-05 쿨처 게엠베하 3D scanner with accelerometer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102410043B1 (en) * 2020-04-28 2022-06-21 오스템임플란트 주식회사 A device and method for obtaining scan data for an object
KR102496182B1 (en) 2020-09-01 2023-02-06 주식회사 메디트 3D Scanner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101484561B1 (en) 2013-12-31 2015-01-20 주식회사 메디트 Three dimensional measurement apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101484561B1 (en) 2013-12-31 2015-01-20 주식회사 메디트 Three dimensional measurement apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180099497A (en) * 2017-02-27 2018-09-05 쿨처 게엠베하 3D scanner with accelerometer
US10459083B2 (en) 2017-02-27 2019-10-29 Kulzer Gmbh 3D scanner with accelerometer

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