CN105973165A - Single-camera three-dimensional image measuring instrument - Google Patents
Single-camera three-dimensional image measuring instrument Download PDFInfo
- Publication number
- CN105973165A CN105973165A CN201610405743.6A CN201610405743A CN105973165A CN 105973165 A CN105973165 A CN 105973165A CN 201610405743 A CN201610405743 A CN 201610405743A CN 105973165 A CN105973165 A CN 105973165A
- Authority
- CN
- China
- Prior art keywords
- camera
- measured
- article
- reflecting
- eyeglass
- 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
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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Eyeglasses (AREA)
Abstract
The invention relates to a single-camera three-dimensional image measuring instrument which comprises the components of a transparent object carrying platform which is used for carrying a to-be-measured object; a camera device which is configured for photographing the image of the to-be-measured object; and an optical path turning device which comprises a plurality of lenses with reflecting function and/or transmitting function, thereby transmitting the bottom surface image and the side surface images of the to-be-measured object to the camera device through a first optical path and a second optical path. The single-camera three-dimensional image measuring instrument can realize three-dimensional image acquisition of the to-be-measured object and furthermore performs functions of reducing number of camera devices and saving a complicated motion mechanism, thereby simplifying structure of the single-camera three-dimensional image measuring instrument and greatly reducing cost. Furthermore because the camera device according to the single-camera three-dimensional image measuring instrument does not require large-range movement, image acquisition efficiency of the single-camera three-dimensional image measuring instrument is improved.
Description
Technical field
The present invention relates to image collection measurement technology, particularly relate to a kind of one camera 3-dimensional image measuring instrument.
Background technology
Existing image measurer typically can only do bidimensional image dimensional measurement, the measurement skill of three-dimensional space
Art is the most immature.At present, traditional mode being capable of 3-dimensional image measurement substantially has three kinds: the first
Mode, gathers the image of the multiple side of article by arranging multiple camera correspondence.The knot of this image measurer
Structure is considerably complicated, and volume is relatively big and relatively costly.The second way, by arranging single camera, and makes
Camera motion to diverse location with gather article not ipsilateral image；Or at ordinary two dimensional image measurer
On install touch sensor additional and realize the measurement of another dimension.The structure of this image measurer is the most multiple
Miscellaneous, measure efficiency and certainty of measurement is relatively low.The third mode, uses Structure light method, i.e. throws to curved surface to be measured
Penetrate default pattern, obtain the three-dimensional dimension information of curved surface by analyzing the deflection of pattern.But, this
Mode is generally only applied to curved surface, lacks application for orthogonal two faces；And which only inspects by random samples
The size of the part that projective patterns line is covered, it is impossible to realize comprehensive measurement of size, can not realize three
The detection of dimension outward appearance.
Especially, for ensureing that this type of image measurer normally works or has suitable certainty of measurement, not only need
Eyeglass is reliable, be precisely mounted at precalculated position, but also to ensure that eyeglass will not in installation process
Stress deformation.But before making the present invention, the various eyeglass mounting means of prior art all can not be expired well
The higher accuracy of form and position requirement of eyeglass in foot image measurer.It can be said that carry for the eyeglass in image measurer
For a kind of ensure its suitable mounting means with the higher accuracy of form and position be those skilled in the art for a long time
Thirst for solving but a technical barrier of the most not success solution always.
Additionally, occur in image measurer transportation jolt, vibrations etc. are likely to the morpheme to eyeglass
Precision adversely affects, in some instances it may even be possible to cause lens breakage.Thus, prior art is typically to survey at image
Eyeglass is installed to image measurer after transporting to destination's (such as curstomer's site) by amount instrument again, not only installs
Journey is complicated, and operation easier is relatively big, and cost of labor after sale is the highest.It can be said that be in image measurer
Eyeglass provides a kind of suitable mounting means to avoid it to occur deforming, shift or rupturing etc. also in transportation
Always those skilled in the art thirst for solving but the technical barrier of the most not success solution for a long time.
Summary of the invention
One object of the present invention is intended to overcome at least one defect of the prior art, it is provided that a kind of structure letter
The one camera 3-dimensional image measuring instrument single, cost is relatively low, collecting efficiency is higher.
Another object of the present invention is to ensure that the certainty of measurement of one camera 3-dimensional image measuring instrument.
A further object of the present invention is to improve the eyeglass shock resistance of one camera 3-dimensional image measuring instrument, it is to avoid
Eyeglass is damaged in transportation.
To achieve these goals, the present invention provides a kind of one camera 3-dimensional image measuring instrument, including:
Transparent object stage, is used for carrying article to be measured；
Photographic means, is configured to shoot the image of article to be measured；And
Light path is turned back device, has reflection and/or the eyeglass of transmission function, with by the bottom of article to be measured including multiple
The image on surface and the image of side surface are sent to described photograph dress via the first light path and the second light path respectively
Put.
Alternatively, multiple described eyeglasses include the first reflecting mirror, the second reflecting mirror and a half-reflecting half mirror,
And be arranged so that:
The image of article side surface to be measured reflects through described half-reflecting half mirror after described first reflecting mirror reflection again
Entering described photographic means, the image of article basal surface to be measured passes through described after described second reflecting mirror reflection
Half-reflecting half mirror enters described photographic means；Or
The image of article side surface to be measured enters through described half-reflecting half mirror after described first reflecting mirror reflection
Described photographic means, the image of article basal surface to be measured is anti-through described half again after described second reflecting mirror reflection
Pellicle mirror is reflected into described photographic means；Or
The image of article side surface to be measured is anti-through described second reflecting mirror again after described first reflecting mirror reflection
Penetrating after and be reflected into described photographic means through described half-reflecting half mirror, the image of article basal surface to be measured is direct
Described photographic means is entered through described half-reflecting half mirror；Or
The image of article side surface to be measured is directed through described half-reflecting half mirror and enters described photographic means, to be measured
The image of article basal surface warp after described first reflecting mirror reflection again after described second reflecting mirror reflection
Described half-reflecting half mirror is reflected into described photographic means.
Alternatively, the relative position cloth of described transparent object stage, described photographic means and multiple described eyeglass
It is set to the basal surface so that article to be measured and side surface is in the depth of field of described photographic means.
Alternatively, the inside upper part edge of described transparent object stage is in the depth of field of described photographic means, its
In
The inner side of described transparent object stage is the side that the backlight with article side surface to be measured deviates from mutually.
Alternatively, described one camera 3-dimensional image measuring instrument also includes:
The lens permanent seat being made up of at least one piece of wallboard, offers multiple fixing groove in described wallboard, each
Described fixing groove is equipped with an elastic hold-down mechanism, to utilize the elastic force of described elastic hold-down mechanism to stretch
The edge part entering the described eyeglass in this fixing groove is fixed.
Alternatively, described elastic hold-down mechanism includes that at least one is for providing the elastic component of elastic force and in institute
State the briquetting compressing described eyeglass under the effect of elastic component directly or indirectly.
Alternatively, described briquetting be provided with flexible gasket on the surface of described eyeglass for compressing.
Alternatively, the outside of each described fixing groove is equipped with a baffle plate, is positioned in this fixing groove to cover
Elastic hold-down mechanism and edge part stretch into the described eyeglass in this fixing groove, and limit described eyeglass
Position；Wherein
The outside of each described fixing groove is the outside of this fixing groove place wallboard.
Alternatively, described one camera 3-dimensional image measuring instrument also includes:
Image analysis processing device, the image being configured to shoot described photographic means is identified, calculates,
To obtain the three-dimensional dimension of article to be measured.
The one camera 3-dimensional image measuring instrument of the present invention passes through transparent object stage bearing article, article basal surface
Image can be emitted directly toward light path through transparent object stage and turn back device, and then turned back device transmission by light path
To photographic means, thus, the image of the basal surface of article to be measured, the placement of article the most to be measured can be obtained
Layout with eyeglass.Further, the present invention can will treat just with the device of turning back of the light path with multiple eyeglass
The image of the image and side surface of surveying article basal surface is sent to same photographic means, is not only able to realization and treats
Survey the collection of article 3-dimensional image, and compared to decreasing the quantity of photographic means, province for prior art
Remove the motion of complexity, thus simplified the structure of image measurer, cost is greatly reduced.
Simultaneously as the photographic means of the present invention is without moving on a large scale, therefore improve the image of image measurer
Collecting efficiency.
Further, two reflecting mirrors and a half-reflection and half-transmission can be included due to the light path of present invention device of turning back
Mirror, the image of article basal surface the most to be measured and side surface can be by the multiple light formed between these three eyeglass
Road is sent to photographic means.The i.e. layout of above three eyeglass be not limited to a kind of form, thus improve
The motility that eyeglass is arranged, and then provide multiple choices for simplifying the structure of one camera 3-dimensional image measuring instrument.
Further, include being made up of at least one piece of wallboard due to the one camera 3-dimensional image measuring instrument of the present invention
Lens permanent seat, its wallboard offers fixing groove, fixing groove is provided with elastic hold-down mechanism, therefore,
The lens edge portion stretched in this fixing groove is compressed, to enter eyeglass by the elastic force of available elastic hold-down mechanism
The reliable flexible fastening of line stabilization.When occurring jolting during transport, carrying etc., the situation such as vibrations time,
The active force that eyeglass can be subject to by elastic hold-down mechanism buffers, to avoid eyeglass to damage because stress is excessive
Ruin, thus improve the shock resistance of eyeglass, it is to avoid its damage.Jolting, after the situation such as vibrations disappears,
The elastic restoring force of elastic hold-down mechanism ensure that again eyeglass recovers to its initial position set, thus,
Can ensure that the relative position between eyeglass keeps constant, and ensure the positional precision of each eyeglass, thus ensure
The certainty of measurement of one camera 3-dimensional image measuring instrument.
Further, fix owing to the present invention utilizes elastic hold-down mechanism that eyeglass is carried out elastic compression, therefore,
Can during assembling one camera 3-dimensional image measuring instrument assembly lens, easy and simple to handle, beneficially eyeglass
Install.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will
More understand the above-mentioned of the present invention and other purposes, advantage and feature.
Accompanying drawing explanation
Some describing the present invention the most by way of example, and not by way of limitation in detail are specifically real
Execute example.Reference identical in accompanying drawing denotes same or similar parts or part.People in the art
Member is it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic diagram of one camera 3-dimensional image measuring instrument according to an embodiment of the invention；
Fig. 2 is the schematic structure frame of one camera 3-dimensional image measuring instrument according to an embodiment of the invention
Figure；
Fig. 3 is the schematic index path of one camera 3-dimensional image measuring instrument according to an embodiment of the invention；
Fig. 4 is the schematic light path of one camera 3-dimensional image measuring instrument in accordance with another embodiment of the present invention
Figure；
Fig. 5 is the schematic light path of the one camera 3-dimensional image measuring instrument according to another embodiment of the present invention
Figure；
Fig. 6 is the schematic light path of the one camera 3-dimensional image measuring instrument according to further embodiment of the present invention
Figure；
Fig. 7 is the schematic front of the lens permanent seat being provided with eyeglass according to an embodiment of the invention
Figure；
Fig. 8 is the schematic isometric of the lens permanent seat being provided with eyeglass according to an embodiment of the invention
Figure；
Fig. 9 is the schematic isometric of the lens permanent seat being provided with eyeglass in accordance with another embodiment of the present invention
Figure；
Figure 10 is the most vertical of the lens permanent seat being provided with eyeglass according to another embodiment of the present invention
Body figure；
Figure 11 is the schematic cross sectional views that the cutting line A-A along Fig. 7 intercepts；
Figure 12 is the schematic expanded view of part B in Figure 11.
Detailed description of the invention
The embodiment of the present invention provides a kind of one camera 3-dimensional image measuring instrument.Fig. 1 is according to one reality of the present invention
Executing the schematic diagram of the one camera 3-dimensional image measuring instrument of example, Fig. 2 is according to one embodiment of the invention
The schematic block diagram of one camera 3-dimensional image measuring instrument.The one camera 3-dimensional image measuring instrument of the present invention
1 includes transparent object stage 10 and photographic means 20.Transparent object stage 10 is used for carrying article 2 to be measured.Tool
Body ground, transparent object stage 10 can be formed by transparency glass plate, suprasil plate or other suitable clear sheets.
Photographic means 20 is configured to shoot the image of article 2 to be measured.Specifically, photographic means 20 can be set to phase
Plane pitching for transparent object stage 10 place is adjustable, to adjust photographic means 20 within the specific limits
Shooting angle.One camera 3-dimensional image measuring instrument 1 may also include camera lens degree of angular freedom guiding mechanism 70, with
In the angle lens of adjustment photographic means 20, thus realize photographic means 20 relative to transparent object stage 10
The plane pitching at place is adjustable.Photographic means 20 can include camera 21 and camera lens 22.Camera 21 such as may be used
Having 2,000,000 pixels, the visual field of camera lens 22 correspondence can be such as 46mm × 35mm.The list of the present invention
Camera 3-dimensional image measuring instrument 1 carries article 2 to be measured, article 2 basal surface to be measured by transparent object stage 10
Image can be emitted directly toward, through transparent object stage 10, the eyeglass being positioned at below transparent object stage 10, thus,
Can using the basal surface of article 2 to be measured as one of them measured surface, the placement of article 2 the most to be measured and
The layout of eyeglass.
Especially, one camera 3-dimensional image measuring instrument 1 also includes that light path is turned back device 30, and light path is turned back device
30 include multiple having reflection and/or the eyeglass of transmission function, with by the image of article 2 basal surface to be measured and
The image of side surface is sent to photographic means 20 via the first light path and the second light path respectively.Require emphasis at this
, in the present invention, term " eyeglass " used not only includes plane reflecting mirror and semi-transparent semi-reflecting lens, and
Also include other suitable non-planar reflecting mirror and the semi-transparent semi-reflecting lens such as prism.It is to say, the present invention is only
Turn back device 30 merely with the light path with multiple eyeglass can be by the image of article basal surface to be measured and side table
The image in face is sent to same photographic means 20, is not only able to realize the collection of article 3-dimensional image to be measured,
And compared to decreasing the quantity of photographic means for prior art, eliminating the motion of complexity, from
And simplify the structure of one camera 3-dimensional image measuring instrument 1, cost is greatly reduced.Simultaneously as
The photographic means 20 of the present invention, without moving on a large scale, therefore improves one camera 3-dimensional image measuring instrument 1
Image collection efficiency.
Specifically, in certain embodiments of the present invention, basal surface and the side surface of article 2 to be measured can lead to
Crossing single exposure imaging, the image of article 2 basal surface to be measured and the image of side surface can be simultaneously transferred to photograph
Device 20.Now, the image of article 2 basal surface to be measured the first light path of process and the image institute of side surface
Second light path of process does not has the part of any overlap in space.Some substituting embodiment party in the present invention
In formula, the basal surface of article 2 to be measured and side surface also can exposure images at twice.Such as, can first treat
The basal surface surveying article 2 carries out single exposure, and the image of article 2 basal surface to be measured is first through the first light path transmission
To photographic means 20；Side surface to article 2 to be measured carries out single exposure, article 2 side to be measured table the most again
The image in face is sent to photographic means 20 through the second light path again.Now, the first light path and the second light path are in space
In can have overlap part, it is also possible to do not have overlap part.
In some embodiments of the invention, one camera 3-dimensional image measuring instrument 1 also includes image analysis processing
Device 50, it is configured to the image of photographic means 20 shooting is identified, is calculated, to obtain determinand
The three-dimensional dimension of product 2.Specifically, image analysis processing device 50 can be with photographic means 20 signal even
The computer that connects, flat board or other there is the equipment of analyzing and processing ability.Can in image analysis processing device 50
It is integrated with image analysis processing software, its article to be measured 2 basal surface that device 30 transmits of light path can being turned back
It is analyzed processing with the image of side surface, thus at least obtains the dimension information (bag of article 2 basal surface to be measured
Include length dimension and width dimensions) and dimension information (height dimension or the title of side surface in the vertical direction
Gauge).Owing to the image analysis processing software of the embodiment of the present invention is commercially available, and relatively
For easily realizing, the most too much illustrate.
One camera 3-dimensional image measuring instrument 1 also includes that the side being arranged at transparent object stage 10 is for from side
Irradiate the side backlight 41 of article 2 to be measured and be arranged at the top of transparent object stage 10 for from upper past
Irradiate the bottom backlight 42 of article 2 to be measured lowerly.It is emphasized that in embodiments of the present invention at this,
It is provided with the outside that side is transparent object stage 10 of side backlight 41, deviates from side backlight 41 phase
The inner side that side is transparent object stage 10.
Fig. 3 is the schematic index path of one camera 3-dimensional image measuring instrument according to an embodiment of the invention,
Fig. 4 is the schematic index path of one camera 3-dimensional image measuring instrument in accordance with another embodiment of the present invention, figure
5 is the schematic index path of the one camera 3-dimensional image measuring instrument according to another embodiment of the present invention, Fig. 6
It it is the schematic index path of one camera 3-dimensional image measuring instrument according to further embodiment of the present invention.At this
In some bright embodiments, turn back multiple eyeglasses of device 30 of light path can include the first reflecting mirror 31, second
Reflecting mirror 32 and a half-reflecting half mirror 33, and the plurality of eyeglass may be arranged so that:
The image of article 2 side surface to be measured reflects through half-reflecting half mirror 33 after the first reflecting mirror 31 reflection again
Entering photographic means 20, the image of article 2 basal surface to be measured is anti-through half after the second reflecting mirror 32 reflection
Pellicle mirror 33 enters photographic means 20 (embodiment shown in Figure 3)；Or
The image of article 2 side surface to be measured enters through half-reflecting half mirror 33 after the first reflecting mirror 31 reflection
Photographic means 20, the image of article 2 basal surface to be measured through second reflecting mirror 32 reflection after again through half-reflection and half-transmission
Mirror 33 is reflected into photographic means 20 (embodiment shown in Figure 4)；Or
The image of article 2 side surface to be measured is anti-through the second reflecting mirror 32 again after the first reflecting mirror 31 reflection
Penetrating after and be reflected into photographic means 20 through half-reflecting half mirror 33, the image of article 2 basal surface to be measured is direct
Photographic means 20 (embodiment shown in Figure 5) is entered through half-reflecting half mirror 33；Or
The image of article 2 side surface to be measured is directed through half-reflecting half mirror 33 and enters photographic means 20, to be measured
The image of article 2 basal surface reflects warp after through the first reflecting mirror 31 after the second reflecting mirror 32 reflection again
Half-reflecting half mirror 33 is reflected into photographic means 20 (embodiment shown in Figure 6).
As can be seen here, the image of article 2 basal surface to be measured and side surface can be by shape between above three eyeglass
The multiple light path become is sent to photographic means 20.The i.e. layout of above three eyeglass be not limited to a kind of shape
Formula, thus improve the motility that eyeglass is arranged, and then for simplifying the knot of one camera 3-dimensional image measuring instrument 1
Structure provides multiple choices.
In some embodiments of the invention, transparent object stage 10, photographic means 20 and multiple eyeglass
Become to make the basal surface of article 2 to be measured and side surface to be in the depth of field of photographic means 20 relative to location arrangements
In.Thus, the basal surface of article 2 to be measured and side surface all can in photographic means 20 blur-free imaging, with
It is easy to accurately acquire article 2 basal surface to be measured and the dimension information of side surface.
Specifically, in the embodiment shown in fig. 3, the optical axis of camera lens 22 is parallel in transparent object stage 10
The plane at place.First reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 are arranged in parallel,
And all optical axises with camera lens 22 are 45 degree of angles.First reflecting mirror 31 is positioned at the side of transparent object stage 10
(inner side), and the projection that article to be measured 2 are in the plane at the first reflecting mirror 31 place falls into the first reflecting mirror
In the region at 31 places.Second reflecting mirror 32 is positioned at the underface of transparent object stage 10, and article to be measured 2
Projection in the plane at the second reflecting mirror 32 place falls in the region at the second reflecting mirror 32 place.Half is anti-
Pellicle mirror 33 is positioned at the side-lower of transparent object stage 10, and is positioned at the underface of the first reflecting mirror 31.
In the embodiment shown in fig. 4, first reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror
33 is arranged in parallel, and all optical axises with camera lens 22 are 45 degree of angles.First reflecting mirror 31, second is anti-
Penetrate mirror 32 and half-reflecting half mirror 33 relative to the position relationship of transparent object stage 10 and embodiment illustrated in fig. 3
Identical.Unlike embodiment illustrated in fig. 3, the optical axis of camera lens 22 is perpendicular to transparent object stage 10 place
Plane, and the reflecting surface of half-reflecting half mirror 33 towards on the contrary.
In the embodiment shown in fig. 5, the optical axis of camera lens 22 is perpendicular to the plane at transparent object stage 10 place.
First reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 all optical axises with camera lens 22 are 45 degree
Angle.Second reflecting mirror 32 is arranged in parallel with half-reflecting half mirror 33, and with the first reflecting mirror 31 in
90 degree of angles.First reflecting mirror 31 is positioned at the side (inner side) of transparent object stage 10, and article to be measured 2
Projection in the plane at the first reflecting mirror 31 place falls in the region at the first reflecting mirror 31 place.Second
Reflecting mirror 32 is positioned at the side-lower of transparent object stage 10, and is positioned at the underface of the first reflecting mirror 31.Half is anti-
Pellicle mirror 33 is positioned at the underface of transparent object stage 10, and article to be measured 2 are at half-reflecting half mirror 33 place
Projection in plane falls in the region at half-reflecting half mirror 33 place.
In the embodiment shown in fig. 6, the optical axis of camera lens 22 is parallel to the plane at transparent object stage 10 place.
First reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 all optical axises with camera lens 22 are 45 degree
Angle.First reflecting mirror 31 is arranged in parallel with half-reflecting half mirror 33, and with the second reflecting mirror 32 in
90 degree of angles.Half-reflecting half mirror 33 is positioned at the side (inner side) of transparent object stage 10, and article to be measured 2
Projection in the plane at half-reflecting half mirror 33 place falls in the region at half-reflecting half mirror 33 place.First
Reflecting mirror 31 is positioned at the side-lower of transparent object stage 10, and is positioned at the underface of half-reflecting half mirror 33.Second
Reflecting mirror 32 is positioned at the underface of transparent object stage 10, and article to be measured 2 are at the second reflecting mirror 32 place
Projection in plane falls in the region at the second reflecting mirror 32 place.
In some embodiments of the invention, the inside upper part edge 11 of transparent object stage 10 is in photograph dress
Put in the depth of field of 20, so that the inside upper part edge 11 of transparent object stage 10 can be in photographic means 20
Blur-free imaging, thus provide reference basis for obtaining the size of article 2 side surface in the vertical direction to be measured.
The inner side that it will be understood by those skilled in the art that transparent object stage 10 is and the back of the body of article 2 side surface to be measured
The side that light source (i.e. side backlight 41) deviates from mutually, that is to say that transparent object stage 10 is near the one of eyeglass
Side.In some alternate embodiment of the present invention, the whole inside edge of transparent object stage 10 all can be at
In the depth of field of photographic means 20.
In some alternate embodiment of the present invention, also can be by the inside upper part edge of transparent object stage 10
11 locations are previously written in the program of image analysis processing software, and do not require that it is at photographic means 20
Middle blur-free imaging.It is to say, the inside upper part edge of transparent object stage 10 can also be not at photographic means
In the depth of field of 20.
Fig. 7 is the schematic front of the lens permanent seat being provided with eyeglass according to an embodiment of the invention
Figure, Fig. 8 is the schematic perspective view of the lens permanent seat being provided with eyeglass according to an embodiment of the invention
(for the ease of observing, Fig. 8 has concealed baffle plate 63).In some embodiments of the invention, one camera
3-dimensional image measuring instrument 1 also includes the lens permanent seat 60 being made up of at least one piece of wallboard 61, in wallboard 61
Offer multiple fixing groove 611, each fixing groove 611 is equipped with an elastic hold-down mechanism 62, to utilize
The edge part of the eyeglass stretched in this fixing groove 611 is fixed by the elastic force of elastic hold-down mechanism 62.Thus,
Eyeglass can be carried out reliable and stable flexible fastening.When during transport, carrying etc., jolting occurring, shaking
During etc. situation, the active force that eyeglass can be subject to by elastic hold-down mechanism 62 buffers, with avoid eyeglass because of
Stress is excessive and damages, thus improves the shock resistance of eyeglass.Jolting, after the situation such as vibrations disappears,
The elastic restoring force of elastic hold-down mechanism ensure that again eyeglass recovers to its initial position set, thus,
Can ensure that the relative position between eyeglass keeps constant, and ensure the positional precision of each eyeglass, thus ensure
The certainty of measurement of one camera 3-dimensional image measuring instrument 1.
Specifically, the elastic force that elastic hold-down mechanism 62 is configured to make it provide can make eyeglass have opposing 5g～
The shock resistance of 35g acceleration, even if occurring in transportation strong jolting, shaking and be also not result in mirror
Sheet deforms or ruptures.In a preferred embodiment of the invention, the elastic force that elastic hold-down mechanism 62 provides can
Make eyeglass have the shock resistance of opposing 15g～25g acceleration, thus can either ensure elastic hold-down mechanism
62 can provide effective cushioning effect, ensure that again the steadiness that eyeglass is installed.
Specifically, in embodiments of the present invention, lens permanent seat 60 can be passed through CNC (Digit Control Machine Tool) and adds
Work mode machine-shaping, to guarantee its structure precision, thus ensures the precision of the locus of multiple eyeglass.
For light path specific for one, the position of eyeglass is fixing, therefore, and the position of fixing groove 611
It is also fixing for putting.Thus, utilizing the one camera 3-dimensional image measuring instrument 1 of the present invention to article 2 to be measured
When measuring, it is only necessary to article 2 to be measured are placed on transparent object stage 10, easy and simple to handle, no
Need to manually adjust the angle of eyeglass, improve image collection efficiency and dimensional measurement precision.
Specifically, lens permanent seat 60 can be made up of parallel and spaced two pieces of wallboards 61, two pieces of walls
Plate 61 can pass through the fixing connection of connecting plate, connecting rod or other attachment structures, it is possible to connecting plate, connecting rod
Or other attachment structures are one-body molded.Transparent object stage 10 lies in a horizontal plane on two pieces of wallboards 61, and can lead to
Cross the securing member such as screw, bolt to be fastenedly connected with wallboard 61.All offer three on every piece of wallboard 61 to fix
Fixing groove 611 on groove 611, and two pieces of wallboards 61 is relative, to be respectively used to install the first reflecting mirror two-by-two
31, the second reflecting mirror 32 and half-reflecting half mirror 33.First reflecting mirror the 31, second reflecting mirror 32 and half anti-half
Lens 33 are all connected across between two pieces of wallboards 61, and the edges at two ends portion of each eyeglass is respectively protruding into two pieces of walls
In the fixing groove 611 being oppositely arranged of plate 61, and pressed by the elastic hold-down mechanism 62 in fixing groove 611
Fasten.
Fig. 9 is the schematic isometric of the lens permanent seat being provided with eyeglass in accordance with another embodiment of the present invention
Figure.In an alternate embodiment of the present invention, two pieces of wallboards 61 of lens permanent seat 60 can also divide
Body is arranged, and i.e. two pieces wallboards 61 are separate, and each eyeglass is all connected across on two pieces of wallboards 61.
Figure 10 is the most vertical of the lens permanent seat being provided with eyeglass according to another embodiment of the present invention
Body figure.In another alternate embodiment of the present invention, lens permanent seat 60 also can be only by one piece of wallboard
61 make.Each eyeglass only one end edge part stretches in the fixing groove 611 of this wallboard 61, right to realize
The unilateral support of eyeglass.
Figure 11 is the schematic cross sectional views that the cutting line A-A along Fig. 7 intercepts, and Figure 12 is in the middle part of Figure 11
Divide the schematic expanded view of B.Seeing Fig. 8 to Figure 12, elastic hold-down mechanism 62 can include that at least one is used
In providing the elastic component 621 of elastic force and compressing eyeglass under the effect of elastic component 621 directly or indirectly
Briquetting 622.It is to say, briquetting 622 can directly be connected to eyeglass, it is also possible to indirect by other structures
Be connected to eyeglass.The most in a preferred embodiment of the invention, the table for compressing eyeglass of briquetting 622
Flexible gasket 623 it is provided with, to relax the active force suffered by eyeglass further, and it can be avoided that to mirror on face
Abrasion is caused on the surface of sheet.Specifically, elastic hold-down mechanism 62 can include two elastic components 621, and it is respectively
It is positioned at the two ends of fixing groove 611, so that the elastic force suffered by eyeglass more equalizes, thus avoids eyeglass to occur not
Necessary deflection.Limited impression, bullet is offered on the surface being used for abutting with elastic component 621 of briquetting 622
Property part 621 one end be connected to the cell wall of fixing groove 611, the other end inserts in this limited impression, thus enters
One step avoids elastic component 621 to shift or deflection.Elastic component 621 can be spring, stage clip or other can carry
For the parts of elastic force, flexible gasket 623 can be silicagel pad or rubber blanket.
In some embodiments of the invention, see Figure 11, remaining in addition to the eyeglass with transmission function
Each eyeglass is respectively provided with the reflecting surface for reflecting incident illumination and the back table contrary with its reflecting surface
Face.The briquetting 622 of elastic hold-down mechanism 62 compresses the back surfaces of eyeglass directly or indirectly.Specifically,
In embodiments of the present invention, the first reflecting mirror 31 has reflecting surface 311 and back surfaces 312, and second is anti-
Penetrate mirror 32 and there is reflecting surface 321 and back surfaces 322.For fixing the elastic pressure of the first reflecting mirror 31
The briquetting 622 of tight mechanism 62 compresses the back surfaces 312 of the first reflecting mirror 31, is used for fixing the second reflection
The briquetting 622 of the elastic hold-down mechanism 62 of mirror 32 compresses the back surfaces 322 of the second reflecting mirror 32.Thus
Elastic hold-down mechanism 62 can either be avoided to block corresponding light path or hinder corresponding light line reflection, can keep away again
Exempt from the reflecting surface to eyeglass and produce abrasion, thus avoid the reflecting properties on eyeglass to produce impact.
Half-reflecting half mirror can be compressed for fixing the briquetting 622 of the elastic hold-down mechanism 62 of half-reflecting half mirror 33
The reflecting surface of 33, it is possible to compress the transmissive surface of half-reflecting half mirror 33.
In some embodiments of the invention, the outside of each fixing groove 611 is equipped with a baffle plate 63, to hide
Cover the elastic hold-down mechanism 62 being positioned in this fixing groove 611 and edge part stretches in this fixing groove 611
Eyeglass, and this eyeglass is carried out spacing.In embodiments of the present invention, the outside of each fixing groove 611 is for being somebody's turn to do
The outside of fixing groove 611 place wallboard 61, that is to say that wallboard 61 is towards the side outside lens permanent seat 60.
Specifically, the edge of eyeglass contacts with the inner surface of baffle plate 63 or the inner surface of neighbouring baffle plate 63.Gear
Plate 63 can be fastened on the outside of wallboard 61 by securing member.This securing member can be such as screw, bolt etc..
It is emphasized that bearing of trend and the position of each fixing groove 611 on wallboard 61 are depended on and be somebody's turn to do
The layout of the eyeglass that fixing groove 611 is corresponding.The i.e. present invention can be according to the light path design shown in Fig. 3 to Fig. 6
Make corresponding lens permanent seat 60.Such as, for the light path shown in Fig. 3, can be by lens permanent seat 60
It is designed to structure as shown in Figure 8.Specifically, the lens permanent seat 60 shown in Fig. 8 is designed so that its wallboard
The layout of three fixing grooves 611 on 61 is identical with the layout of in Fig. 3 three eyeglasses respectively.Fixing groove 611
Layout include its bearing of trend, relative to transparent object stage 10 position relationship and with other fixing grooves
The position relationship etc. of 611, the layout of eyeglass includes its bearing of trend, position relative to transparent object stage 10
Relation and the position relationship etc. with other eyeglasses.
It is emphasized that at this present invention can be by readjusting the position of the multiple fixing groove 611 of wallboard 61
Put and make the lens permanent seat 60 being applicable to other light paths (the such as light path shown in Fig. 4 to Fig. 6).It is suitable for
Structure in the lens permanent seat 60 of other light paths is that those skilled in the art are in lens permanent seat shown in Fig. 8
Easily realize on the architecture basics of 60, the most too much describe here.
So far, although those skilled in the art will appreciate that and the most detailed illustrate and describing the present invention's
Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this
Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause
This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.
Claims (9)
1. an one camera 3-dimensional image measuring instrument, it is characterised in that including:
Transparent object stage, is used for carrying article to be measured；
Photographic means, is configured to shoot the image of article to be measured；And
Light path is turned back device, has reflection and/or the eyeglass of transmission function, with by the bottom of article to be measured including multiple
The image on surface and the image of side surface are sent to described photograph dress via the first light path and the second light path respectively
Put.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that multiple described
Eyeglass includes the first reflecting mirror, the second reflecting mirror and a half-reflecting half mirror, and is arranged so that:
The image of article side surface to be measured reflects through described half-reflecting half mirror after described first reflecting mirror reflection again
Entering described photographic means, the image of article basal surface to be measured passes through described after described second reflecting mirror reflection
Half-reflecting half mirror enters described photographic means；Or
The image of article side surface to be measured enters through described half-reflecting half mirror after described first reflecting mirror reflection
Described photographic means, the image of article basal surface to be measured is anti-through described half again after described second reflecting mirror reflection
Pellicle mirror is reflected into described photographic means；Or
The image of article side surface to be measured is anti-through described second reflecting mirror again after described first reflecting mirror reflection
Penetrating after and be reflected into described photographic means through described half-reflecting half mirror, the image of article basal surface to be measured is direct
Described photographic means is entered through described half-reflecting half mirror；Or
The image of article side surface to be measured is directed through described half-reflecting half mirror and enters described photographic means, to be measured
The image of article basal surface warp after described first reflecting mirror reflection again after described second reflecting mirror reflection
Described half-reflecting half mirror is reflected into described photographic means.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that
Making relative to location arrangements one-tenth of described transparent object stage, described photographic means and multiple described eyeglass
The basal surface of article to be measured and side surface are in the depth of field of described photographic means.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that
The inside upper part edge of described transparent object stage is in the depth of field of described photographic means, wherein
The inner side of described transparent object stage is the side that the backlight with article side surface to be measured deviates from mutually.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that also include:
The lens permanent seat being made up of at least one piece of wallboard, offers multiple fixing groove in described wallboard, each
Described fixing groove is equipped with an elastic hold-down mechanism, to utilize the elastic force of described elastic hold-down mechanism to stretch
The edge part entering the described eyeglass in this fixing groove is fixed.
One camera 3-dimensional image measuring instrument the most according to claim 5, it is characterised in that
Described elastic hold-down mechanism includes that at least one is for providing the elastic component of elastic force and at described elastic component
Effect under compress the briquetting of described eyeglass directly or indirectly.
One camera 3-dimensional image measuring instrument the most according to claim 6, it is characterised in that
Described briquetting be provided with flexible gasket on the surface of described eyeglass for compressing.
One camera 3-dimensional image measuring instrument the most according to claim 5, it is characterised in that
The outside of each described fixing groove is equipped with a baffle plate, to cover the elastic compression being positioned in this fixing groove
Mechanism and edge part stretch into the described eyeglass in this fixing groove, and carry out spacing to described eyeglass；Wherein
The outside of each described fixing groove is the outside of this fixing groove place wallboard.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that also include:
Image analysis processing device, the image being configured to shoot described photographic means is identified, calculates,
To obtain the three-dimensional dimension of article to be measured.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313044.4A CN105157601A (en) | 2015-06-10 | 2015-06-10 | Single-camera three-dimensional image measuring instrument |
| CN2015103130444 | 2015-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105973165A true CN105973165A (en) | 2016-09-28 |
| CN105973165B CN105973165B (en) | 2017-11-10 |
Family
ID=54798545
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510313044.4A Pending CN105157601A (en) | 2015-06-10 | 2015-06-10 | Single-camera three-dimensional image measuring instrument |
| CN201610405743.6A Active CN105973165B (en) | 2015-06-10 | 2016-06-08 | One camera 3-dimensional image measuring instrument |
| CN201620557250.XU Active CN205669994U (en) | 2015-06-10 | 2016-06-08 | One camera 3-dimensional image measuring instrument |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510313044.4A Pending CN105157601A (en) | 2015-06-10 | 2015-06-10 | Single-camera three-dimensional image measuring instrument |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620557250.XU Active CN205669994U (en) | 2015-06-10 | 2016-06-08 | One camera 3-dimensional image measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105157601A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442544A (en) * | 2016-10-18 | 2017-02-22 | 凌云光技术集团有限责任公司 | Panoramic imaging system |
| CN106705840A (en) * | 2016-12-07 | 2017-05-24 | 广州道注塑机械股份有限公司 | Bottle pre-form size fast measuring device |
| CN106705839A (en) * | 2016-12-07 | 2017-05-24 | 广州道注塑机械股份有限公司 | Fast moving bottle pre-form size precision measuring device |
| CN109218702A (en) * | 2018-09-05 | 2019-01-15 | 天目爱视（北京）科技有限公司 | A kind of camera rotation type 3D measurement and information acquisition device |
| CN114778445A (en) * | 2022-03-18 | 2022-07-22 | 无锡先导智能装备股份有限公司 | Single-camera detection device and method based on optical path branching and winder |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157601A (en) * | 2015-06-10 | 2015-12-16 | 北京领邦仪器技术有限公司 | Single-camera three-dimensional image measuring instrument |
| CN106441135A (en) * | 2016-08-29 | 2017-02-22 | 清华大学 | Device and method for synchronously measuring three-dimensional deformation and temperature with single camera under high temperature environment |
| CN109539981A (en) * | 2018-10-30 | 2019-03-29 | 成都飞机工业（集团）有限责任公司 | Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment |
| CN110530286B (en) * | 2019-08-23 | 2020-11-17 | 北京航空航天大学 | Novel single-camera three-dimensional digital image correlation system using light-combining prism |
| CN113008138B (en) * | 2021-02-23 | 2023-06-06 | 中科(深圳)智慧信息科技有限公司 | Product processing positioning system and method based on visual recognition technology |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201641972U (en) * | 2009-02-19 | 2010-11-24 | 广州中科恺盛医疗科技有限公司 | Three-dimensional imaging data acquisition unit |
| CN201641973U (en) * | 2009-02-19 | 2010-11-24 | 广州中科恺盛医疗科技有限公司 | Multi-angle imaging device |
| CN101949866A (en) * | 2010-09-01 | 2011-01-19 | 厦门大学 | Single camera omni-directional vision sensor for package test |
| CN101966077A (en) * | 2010-03-25 | 2011-02-09 | 田捷 | Multi-angle imaging device |
| US20110141279A1 (en) * | 2009-12-10 | 2011-06-16 | Industrial Technology Research Institute | Surveillance camera system and method |
| CN104296679A (en) * | 2014-09-30 | 2015-01-21 | 唐春晓 | Mirror image type three-dimensional information acquisition device and method |
| CN205669994U (en) * | 2015-06-10 | 2016-11-02 | 北京领邦仪器技术有限公司 | One camera 3-dimensional image measuring instrument |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100715026B1 (en) * | 2005-05-26 | 2007-05-09 | 한국과학기술원 | Apparatus for providing panoramic stereo images with one camera |
| IL175455A0 (en) * | 2006-05-07 | 2007-08-19 | Penta I Ltd | A system and a method for imaging, automatic and at once, objects' six-faces |
| CN101290467B (en) * | 2008-06-05 | 2010-06-16 | 北京理工大学 | Tangible real three-dimensional display method based on multi- projector rotating panel three-dimensional image |
| CN101810465A (en) * | 2009-02-19 | 2010-08-25 | 广州中科恺盛医疗科技有限公司 | Three-dimensional imaging data acquisition device |
| CN103791891B (en) * | 2014-03-07 | 2015-11-18 | 福州大学 | A kind of electrical equipment Three-Dimensional Dynamic characteristic test device based on one camera and method |
-
2015
- 2015-06-10 CN CN201510313044.4A patent/CN105157601A/en active Pending
-
2016
- 2016-06-08 CN CN201610405743.6A patent/CN105973165B/en active Active
- 2016-06-08 CN CN201620557250.XU patent/CN205669994U/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201641972U (en) * | 2009-02-19 | 2010-11-24 | 广州中科恺盛医疗科技有限公司 | Three-dimensional imaging data acquisition unit |
| CN201641973U (en) * | 2009-02-19 | 2010-11-24 | 广州中科恺盛医疗科技有限公司 | Multi-angle imaging device |
| US20110141279A1 (en) * | 2009-12-10 | 2011-06-16 | Industrial Technology Research Institute | Surveillance camera system and method |
| CN101966077A (en) * | 2010-03-25 | 2011-02-09 | 田捷 | Multi-angle imaging device |
| CN101949866A (en) * | 2010-09-01 | 2011-01-19 | 厦门大学 | Single camera omni-directional vision sensor for package test |
| CN104296679A (en) * | 2014-09-30 | 2015-01-21 | 唐春晓 | Mirror image type three-dimensional information acquisition device and method |
| CN205669994U (en) * | 2015-06-10 | 2016-11-02 | 北京领邦仪器技术有限公司 | One camera 3-dimensional image measuring instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442544A (en) * | 2016-10-18 | 2017-02-22 | 凌云光技术集团有限责任公司 | Panoramic imaging system |
| CN106442544B (en) * | 2016-10-18 | 2018-11-20 | 凌云光技术集团有限责任公司 | Omnidirectional imaging system |
| CN106705840A (en) * | 2016-12-07 | 2017-05-24 | 广州道注塑机械股份有限公司 | Bottle pre-form size fast measuring device |
| CN106705839A (en) * | 2016-12-07 | 2017-05-24 | 广州道注塑机械股份有限公司 | Fast moving bottle pre-form size precision measuring device |
| CN109218702A (en) * | 2018-09-05 | 2019-01-15 | 天目爱视（北京）科技有限公司 | A kind of camera rotation type 3D measurement and information acquisition device |
| CN114778445A (en) * | 2022-03-18 | 2022-07-22 | 无锡先导智能装备股份有限公司 | Single-camera detection device and method based on optical path branching and winder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105157601A (en) | 2015-12-16 |
| CN205669994U (en) | 2016-11-02 |
| CN105973165B (en) | 2017-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105973165A (en) | Single-camera three-dimensional image measuring instrument | |
| CN103575234B (en) | 3-dimensional image measurement apparatus | |
| EP2426457A2 (en) | Inspection device for defect inspection | |
| CN103940822A (en) | Product outer surface defect image acquisition device based on machine vision | |
| KR101775458B1 (en) | Curved DISPLAY Align Inspection SYSTEM and Curved DISPLAY Align Inspection Method | |
| CN101346624A (en) | System and method for optically inspecting glass panes | |
| US9797833B2 (en) | Method for determining the refractive power of a transparent object, and corresponding device | |
| JP7573698B2 (en) | Optical Displacement Meter | |
| TWI391644B (en) | A lens test apparatus and a method thereof | |
| CN103733019A (en) | Method and apparatus for determining coplanarity in integrated circuit packages | |
| KR100878889B1 (en) | An aerial potography plotting instrument with a department for protecting gap using pressure sensor | |
| US20040021877A1 (en) | Method and system for determining dimensions of optically recognizable features | |
| CN1715551B (en) | Detecting method for textile bias | |
| CN101943631B (en) | Photoelectric platform sight line stabilization error tester | |
| US5402505A (en) | Semiconductor device lead inspection system | |
| CN113513980A (en) | Volume measuring device based on auxiliary ruler | |
| KR20190102093A (en) | System and method for three-dimensional profile determination using model-based peak selection | |
| US10110875B2 (en) | Image capture system with image conversion mechanism and method of operation thereof | |
| JP2005024438A (en) | Method of inspecting mirror surface precision for curved surface mirror, inspection device for mirror surface precision for for curved surface mirror, preparation method for mirror surface precision inspecting pattern for curved surface mirror, and mirror surface precision inspecting pattern for curved surface mirror | |
| CN220568070U (en) | Position detection module and device | |
| KR20120046880A (en) | Fixing apparatus for 3d camera system | |
| CN209727759U (en) | Rapid measuring instrument for refractive index of optical glass | |
| AU2011244225B2 (en) | Method and system for analyzing geometric parameters of an object | |
| EP4435487A1 (en) | Image sensor, camera and imaging system with two or more focus planes | |
| CN211089732U (en) | Imaging device, fixing jig, and electronic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170330 Address after: 100094 Yongfeng Haidian District industrial base, North Wing Road, No. 3, standard workshop, room 3, floor 301, room Applicant after: Beijing leader Intelligent Equipment Co., Ltd. Address before: 100094 Haidian District, Czech Republic, Czech Republic, North Road, science and technology enterprise accelerator No. 1, B, block, floor 3, Beijing Applicant before: Beijing Leadertech Instruments Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |