CN205669994U - One camera 3-dimensional image measuring instrument - Google Patents
One camera 3-dimensional image measuring instrument Download PDFInfo
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- CN205669994U CN205669994U CN201620557250.XU CN201620557250U CN205669994U CN 205669994 U CN205669994 U CN 205669994U CN 201620557250 U CN201620557250 U CN 201620557250U CN 205669994 U CN205669994 U CN 205669994U
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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
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- Length Measuring Devices By Optical Means (AREA)
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Abstract
This utility model relates to a kind of one camera 3-dimensional image measuring instrument, comprising: 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 turns back device, there is reflection and/or the eyeglass of transmission function, so that the image of the image of article basal surface to be measured and side surface is sent to described photographic means via the first light path and the second light path respectively including multiple.This utility model is not only able to realize the collection of article 3-dimensional image to be measured, and decreases the quantity of photographic means, eliminates the motion of complexity, thus simplifies the structure of one camera 3-dimensional image measuring instrument, cost is greatly reduced.Simultaneously as photographic means of the present utility model is without moving on a large scale, therefore improve the image collection efficiency of one camera 3-dimensional image measuring instrument.
Description
Technical field
This utility model relates to image collection measurement technology, particularly relates to a kind of one camera 3-dimensional image measuring instrument.
Background technology
Existing image measurer typically can only do bidimensional image dimensional measurement, and the measurement technology of three-dimensional space is the most not
Ripe.At present, traditional mode being capable of 3-dimensional image measurement substantially has three kinds: first kind of way, multiple by arranging
Camera correspondence gathers the image of the multiple side of article.The structure of this image measurer is considerably complicated, and volume is relatively big, and cost is relatively
High.The second way, by arranging single camera, and makes camera motion to diverse location to gather the shadow of article not ipsilateral
Picture；Or on ordinary two dimensional image measurer, install touch sensor additional realize the measurement of another dimension.This image is surveyed
The structure of amount instrument is the most considerably complicated, measures efficiency and certainty of measurement is relatively low.The third mode, uses Structure light method, i.e. to be measured
The pattern that curved surface projection is preset, obtains the three-dimensional dimension information of curved surface by analyzing the deflection of pattern.But, this mode is led to
Often it is only applied to curved surface, application is lacked for orthogonal two faces；And which only inspected projective patterns line by random samples and covered
The size of the part of lid, it is impossible to realize comprehensive measurement of size, the detection of three-dimensional appearance can not be realized.
Especially, for ensureing that this type of image measurer normally works or has suitable certainty of measurement, not only need mirror
Sheet is reliable, be precisely mounted at precalculated position, but also to ensure that eyeglass is not forced deformation in installation process.But at this
Before utility model, the various eyeglass mounting means of prior art all can not meet the higher of eyeglass in image measurer well
Accuracy of form and position requirement.It can be said that provide a kind of for the eyeglass in image measurer to ensure that it has the suitable of the higher accuracy of form and position
When mounting means is that those skilled in the art thirst for solving but a technology difficulty of the most not success solution the most always
Topic.
Additionally, occur in image measurer transportation jolt, vibrations etc. are likely to make the accuracy of form and position of eyeglass
Become adverse effect, in some instances it may even be possible to cause lens breakage.Thus, prior art is typically to transport to destination's (example at image measurer
Such as curstomer's site) after again eyeglass is installed to image measurer, not only installation process is complicated, operation easier is relatively big, and after sale
Cost of labor is the highest.It can be said that provide a kind of suitable mounting means to avoid it transporting for the eyeglass in image measurer
Journey occurs deformation, shifts or rupture etc. and be also always those skilled in the art and thirst for for a long time solving but not success all the time
The technical barrier solved.
Utility model content
A purpose of the present utility model 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 purpose of the present utility model is to ensure that the certainty of measurement of one camera 3-dimensional image measuring instrument.
Another purpose of the present utility model is to improve the eyeglass shock resistance of one camera 3-dimensional image measuring instrument, it is to avoid mirror
Sheet is damaged in transportation.
To achieve these goals, this utility model provides a kind of one camera 3-dimensional image measuring instrument, including:
For carrying the transparent object stage of 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 article basal surface to be measured including multiple
The image of image and side surface is sent to described photographic means via the first light path and the second light path respectively.
Alternatively, multiple described eyeglasses include the first reflecting mirror, the second reflecting mirror and a half-reflecting half mirror, and are configured to
Make:
The image of article side surface to be measured is reflected into through described half-reflecting half mirror after described first reflecting mirror reflection again
Described photographic means, the image of article basal surface to be measured enters through described half-reflecting half mirror after described second reflecting mirror reflection
Described photographic means；Or
The image of article side surface to be measured enters described after described first reflecting mirror reflection through described half-reflecting half mirror
Photographic means, the image of article basal surface to be measured is reflected into through described half-reflecting half mirror after described second reflecting mirror reflection again
Described photographic means；Or
The image of article side surface to be measured reflects through described second reflecting mirror after described first reflecting mirror reflection
Being reflected into described photographic means by described half-reflecting half mirror, the image of article basal surface to be measured is directed through described half anti-half
Lens enter described photographic means；Or
The image of article side surface to be measured is directed through described half-reflecting half mirror and enters described photographic means, at the bottom of article to be measured
The image on surface after described second reflecting mirror reflection again after described first reflecting mirror reflection through described half-reflecting half mirror
It is reflected into described photographic means.
Alternatively, described transparent object stage, described photographic means and multiple described eyeglass relative to location arrangements become make
The basal surface and the side surface that obtain article to be measured are 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, 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.
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 solid
Determine groove is equipped with an elastic hold-down mechanism, with the institute utilizing the elastic force of described elastic hold-down mechanism to stretch in this fixing groove
The edge part stating eyeglass is fixed.
Alternatively, described elastic hold-down mechanism includes that at least one is for providing the elastic component of elastic force and in described elasticity
The briquetting of described eyeglass is compressed directly or indirectly under the effect of part.
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, to cover the elastic pressure being positioned in this fixing groove
Tight 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.
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, and treats to obtain
Survey the three-dimensional dimension of article.
One camera 3-dimensional image measuring instrument of the present utility model passes through transparent object stage bearing article, the shadow of article basal surface
Turn back device as light path can be emitted directly toward through transparent object stage, and then be sent to photographic means by light path device of turning back,
Thus, the image of the basal surface of article to be measured, the placement of article the most to be measured and the layout of eyeglass can be obtained.Further, this reality
With novel turn back device just with the light path with multiple eyeglass can be by the image of article basal surface to be measured and side surface
Image is sent to same photographic means, is not only able to realize the collection of article 3-dimensional image to be measured, and compared to existing skill
Decrease the quantity of photographic means for art, eliminate the motion of complexity, thus simplify the structure of image measurer, big
Reduce cost to amplitude.Simultaneously as photographic means of the present utility model is without moving on a large scale, therefore improves image and survey
The image collection efficiency of amount instrument.
Further, two reflecting mirrors and a half-reflection and half-transmission can be included due to light path of the present utility model device of turning back
Mirror, the image of article basal surface the most to be measured and side surface can be sent to shine by the multiple light path formed between these three eyeglass
Phase device.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
Multiple choices are provided 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 one camera 3-dimensional image measuring instrument of the present utility model
Lens permanent seat, offers fixing groove in its wallboard, be provided with elastic hold-down mechanism in fixing groove, therefore, and available elastic compression
The lens edge portion stretched in this fixing groove is compressed, so that eyeglass is carried out reliable and stable flexible fastening by the elastic force of mechanism.When
Occur 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 enters
Row buffering, to avoid eyeglass to damage because stress is excessive, thus improves the shock resistance of eyeglass, it is to avoid its damage.Jolting,
After the situations such as vibrations disappear, the elastic restoring force of elastic hold-down mechanism ensure that again eyeglass recovers the position initially set to it
Put, thus, it can be ensured that the relative position between eyeglass keeps constant, and ensure the positional precision of each eyeglass, thus ensure that
The certainty of measurement of one camera 3-dimensional image measuring instrument.
Further, fix owing to this utility model utilizes elastic hold-down mechanism that eyeglass is carried out elastic compression, therefore, can
Assembly lens during assembling one camera 3-dimensional image measuring instrument, easy and simple to handle, the beneficially installation of eyeglass.
According to below in conjunction with the accompanying drawing detailed description to this utility model specific embodiment, those skilled in the art will be more
Add clear of the present utility model above-mentioned and other purposes, advantage and feature.
Accompanying drawing explanation
Describe in detail more of the present utility model specifically real the most by way of example, and not by way of limitation
Execute example.Reference identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that
These accompanying drawings are not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic diagram of the one camera 3-dimensional image measuring instrument according to one embodiment of this utility model；
Fig. 2 is the schematic block diagram of the one camera 3-dimensional image measuring instrument according to one embodiment of this utility model；
Fig. 3 is the schematic index path of the one camera 3-dimensional image measuring instrument according to one embodiment of this utility model；
Fig. 4 is the schematic index path of the one camera 3-dimensional image measuring instrument according to another embodiment of this utility model；
Fig. 5 is the schematic index path of the one camera 3-dimensional image measuring instrument according to another embodiment of this utility model；
Fig. 6 is the schematic index path of the one camera 3-dimensional image measuring instrument according to this utility model further embodiment；
Fig. 7 is the schematic elevational view of the lens permanent seat being provided with eyeglass according to one embodiment of this utility model；
Fig. 8 is the schematic perspective view of the lens permanent seat being provided with eyeglass according to one embodiment of this utility model；
Fig. 9 is the schematic isometric of the lens permanent seat being provided with eyeglass according to another embodiment of this utility model
Figure；
Figure 10 is the schematic isometric of the lens permanent seat being provided with eyeglass according to another embodiment of this utility model
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
This utility model embodiment provides a kind of one camera 3-dimensional image measuring instrument.Fig. 1 is according to this utility model one
The schematic diagram of the one camera 3-dimensional image measuring instrument of embodiment, Fig. 2 is the list according to one embodiment of this utility model
The schematic block diagram of camera 3-dimensional image measuring instrument.One camera 3-dimensional image measuring instrument 1 of the present utility model includes transparent
Object stage 10 and photographic means 20.Transparent object stage 10 is used for carrying article 2 to be measured.Specifically, transparent object stage 10 can be by thoroughly
Bright glass plate, suprasil plate or other suitable clear sheets are formed.Photographic means 20 is configured to shoot the shadow of article 2 to be measured
Picture.Specifically, photographic means 20 can be set to adjustable, with in certain limit relative to the plane pitching at transparent object stage 10 place
The shooting angle of interior adjustment photographic means 20.One camera 3-dimensional image measuring instrument 1 may also include camera lens degree of angular freedom guiding mechanism
70, for the angle lens of adjustment photographic means 20, thus realize photographic means 20 relative to transparent object stage 10 place
Plane pitching is adjustable.Photographic means 20 can include camera 21 and camera lens 22.Camera 21 such as can have 2,000,000 pixels, camera lens 22
The corresponding visual field can be such as 46mm × 35mm.One camera 3-dimensional image measuring instrument of the present utility model 1 is by transparent loading
Platform 10 carries article 2 to be measured, and the image of article 2 basal surface to be measured can be emitted directly toward through transparent object stage 10 and be positioned at transparent load
Eyeglass below thing platform 10, thus, can be using the basal surface of article 2 to be measured as one of them measured surface, beneficially determinand
The placement of product 2 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 device 30 of turning back includes many
Individual have reflection and/or the eyeglass of transmission function, with by the image of the image of article 2 basal surface to be measured and side surface respectively via
First light path and the second light path are sent to photographic means 20.Term " mirror used in this utility model is it is emphasized that at this
Sheet " not only include plane reflecting mirror and semi-transparent semi-reflecting lens, but also include other suitable non-planar reflecting mirrors such as prism
And semi-transparent semi-reflecting lens.It is to say, this utility model can will be treated just with the device 30 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 20, is not only able to realize article three to be measured
The collection of dimension image, and compared to decreasing the quantity of photographic means for prior art, eliminating the motion of complexity,
Thus simplify the structure of one camera 3-dimensional image measuring instrument 1, cost is greatly reduced.Simultaneously as this utility model
Photographic means 20 without moving on a large scale, therefore improve the image collection efficiency of one camera 3-dimensional image measuring instrument 1.
Specifically, in embodiments more of the present utility model, the basal surface of article 2 to be measured and side surface can be by one
Times exposure image, the image of article 2 basal surface to be measured and the image of side surface can be simultaneously transferred to photographic means 20.Now, treat
Survey article 2 basal surface image the first light path of process and side surface image the second light path of process do not have in space
The part of any overlap.In alternative embodiments more of the present utility model, the basal surface of article 2 to be measured and side surface are also
Can exposure image at twice.Such as, first basal surface to article 2 to be measured single exposure can be carried out, article 2 basal surface to be measured
Image is first sent to photographic means 20 through the first light path；The most again the side surface of article 2 to be measured is carried out single exposure, determinand
The image of product 2 side surface is sent to photographic means 20 through the second light path again.Now, the first light path and the second light path in space may be used
There to be the part of overlap, it is also possible to there is no the part of overlap.
In embodiments more of the present utility model, one camera 3-dimensional image measuring instrument 1 also includes that image analysis processing fills
Putting 50, it is configured to the image of photographic means 20 shooting is identified, is calculated, to obtain the three-dimensional dimension of article 2 to be measured.Tool
Body ground, image analysis processing device 50 can be connected with photographic means 20 signal computer, flat board or other there is analysis
The equipment of disposal ability.Can be integrated with image analysis processing software in image analysis processing device 50, light path can be turned back by it
Article to be measured 2 basal surface and the image of side surface that device 30 transmits are analyzed processing, thus at least obtain article 2 end to be measured
The dimension information (including length dimension and width dimensions) on surface and the dimension information (height gauge of side surface in the vertical direction
Very little or claim gauge).Owing to the image analysis processing software of this utility model embodiment is commercially available, and more
Easily realize, 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 treated for from side-irradiation
Survey the side backlight 41 of article 2 and be arranged at the top of transparent object stage 10 for irradiating article 2 to be measured from top to bottom
Bottom backlight 42.It is emphasized that at this in this utility model embodiment, be provided with the side of side backlight 41
For the outside of transparent object stage 10, the inner side that side is transparent object stage 10 deviated from side backlight 41 phase.
Fig. 3 is the schematic index path of the one camera 3-dimensional image measuring instrument according to one embodiment of this utility model, Fig. 4
Being the schematic index path of one camera 3-dimensional image measuring instrument according to another embodiment of this utility model, Fig. 5 is according to this
The schematic index path of the one camera 3-dimensional image measuring instrument of another embodiment of utility model, Fig. 6 is according to this utility model
The schematic index path of the one camera 3-dimensional image measuring instrument of further embodiment.In embodiments more of the present utility model,
Turn back multiple eyeglasses of device 30 of light path can include the first reflecting mirror the 31, second reflecting mirror 32 and 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 is reflected into photograph through half-reflecting half mirror 33 after the first reflecting mirror 31 reflection again
Device 20, the image of article 2 basal surface to be measured enters photographic means through half-reflecting half mirror 33 after the second reflecting mirror 32 reflection
20 (embodiments shown in Figure 3)；Or
The image of article 2 side surface to be measured enters photographic means through half-reflecting half mirror 33 after the first reflecting mirror 31 reflection
20, the image of article 2 basal surface to be measured is reflected into photographic means through half-reflecting half mirror 33 after the second reflecting mirror 32 reflection again
20 (embodiments shown in Figure 4)；Or
The image of article 2 side surface to be measured reflects warp after through the second reflecting mirror 32 after the first reflecting mirror 31 reflection again
Half-reflecting half mirror 33 is reflected into photographic means 20, and the image of article 2 basal surface to be measured is directed through half-reflecting half mirror 33 and enters
Photographic means 20 (embodiment shown in Figure 5)；Or
The image of article 2 side surface to be measured is directed through half-reflecting half mirror 33 and enters photographic means 20, article 2 end table to be measured
The image in face reflects after through the first reflecting mirror 31 after the second reflecting mirror 32 reflection again and is reflected into through half-reflecting half mirror 33
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 many by being formed between above three eyeglass
Plant light path and be sent to photographic means 20.The i.e. layout of above three eyeglass be not limited to a kind of form, thus improve eyeglass
The motility arranged, and then provide multiple choices for simplifying the structure of one camera 3-dimensional image measuring instrument 1.
In embodiments more of the present utility model, transparent object stage 10, photographic means 20 and multiple eyeglass relative
Location arrangements becomes the basal surface of article 2 to be measured and side surface are in the depth of field of photographic means 20.Thus, article to be measured
The basal surface of 2 and side surface all can in photographic means 20 blur-free imaging, in order to accurately acquire article 2 basal surface to be measured
Dimension information with side surface.
Specifically, in the embodiment shown in fig. 3, the optical axis of camera lens 22 is parallel to putting down in transparent object stage 10 place
Face.First reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 are arranged in parallel, and all with the optical axis of camera lens 22 in
45 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 are in the first reflecting mirror 31 institute
Plane in projection fall in the region at the first reflecting mirror 31 place.Second reflecting mirror 32 is just being positioned at transparent object stage 10
Lower section, and the projection that article to be measured 2 are in the plane at the second reflecting mirror 32 place falls in the region at the second reflecting mirror 32 place.
Half-reflecting half 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 are parallel to each other
Arrange, and all optical axises with camera lens 22 are 45 degree of angles.First reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 phase
Position relationship for transparent object stage 10 is identical with embodiment illustrated in fig. 3.Unlike embodiment illustrated in fig. 3, camera lens 22
Optical axis be perpendicular to the plane at transparent object stage 10 place, 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 reflection
Mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 all optical axises with camera lens 22 are 45 degree of angles.Second reflecting mirror 32 and half
Anti-pellicle mirror 33 is arranged in parallel, and with the first reflecting mirror 31 in 90 degree of angles.First reflecting mirror 31 is positioned at transparent object stage
The side (inner side) of 10, 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 31 institute
Region in.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
Anti-pellicle mirror 33 is positioned at the underface of transparent object stage 10, and the throwing that article to be measured 2 are in the plane at half-reflecting half mirror 33 place
Shadow 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 reflection
Mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33 all optical axises with camera lens 22 are 45 degree of angles.First reflecting mirror 31 and half
Anti-pellicle mirror 33 is arranged in parallel, and with the second reflecting mirror 32 in 90 degree of angles.Half-reflecting half mirror 33 is positioned at transparent object stage
The side (inner side) of 10, and the projection that article to be measured 2 are in the plane at half-reflecting half mirror 33 place falls into half-reflecting half mirror 33 institute
Region in.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.The
Two-mirror 32 is positioned at the underface of transparent object stage 10, and the throwing that article to be measured 2 are in the plane at the second reflecting mirror 32 place
Shadow falls in the region at the second reflecting mirror 32 place.
In embodiments more of the present utility model, the inside upper part edge 11 of transparent object stage 10 is in photographic means 20
The depth of field in so that the inside upper part edge 11 of transparent object stage 10 can in photographic means 20 blur-free imaging, thus for obtaining
The size obtaining article 2 side surface in the vertical direction to be measured provides reference basis.It will be understood by those skilled in the art that transparent
The inner side of object stage 10 is the side that the backlight (i.e. side backlight 41) with article 2 side surface to be measured deviates from mutually, that is to say
Transparent object stage 10 is near the side of eyeglass.In alternate embodiment more of the present utility model, transparent object stage 10 whole
Individual inside edge all can be in the depth of field of photographic means 20.
In alternate embodiment more of the present utility model, also can be by inside upper part edge 11 institute of transparent object stage 10
The position at place is previously written in the program of image analysis processing software, and does not require its blur-free imaging in photographic means 20.Also
That is, the inside upper part edge of transparent object stage 10 can also be not in the depth of field of photographic means 20.
Fig. 7 is the schematic elevational view of the lens permanent seat being provided with eyeglass according to one embodiment of this utility model,
Fig. 8 be the lens permanent seat being provided with eyeglass according to one embodiment of this utility model schematic perspective view (for the ease of
Observe, Fig. 8 has concealed baffle plate 63).In embodiments more of the present utility model, one camera 3-dimensional image measuring instrument 1 also wraps
Include the lens permanent seat 60 being made up of at least one piece of wallboard 61, wallboard 61 offers multiple fixing groove 611, each fixing groove
An elastic hold-down mechanism 62 it is equipped with, with the mirror utilizing the elastic force of elastic hold-down mechanism 62 to stretch in this fixing groove 611 in 611
The edge part of sheet is fixed.Thus, eyeglass can be carried out reliable and stable flexible fastening.When during transport, carrying etc.
During the situations such as appearance is jolted, vibrations, the active force that eyeglass can be subject to by elastic hold-down mechanism 62 buffers, to avoid eyeglass
Damage because stress is excessive, thus improve the shock resistance of eyeglass.Jolting, after the situation such as vibrations disappears, elastic compression machine
The elastic restoring force of structure ensure that again eyeglass recovers the position initially set to it, thus, it can be ensured that relative between eyeglass
Position keeps constant, and ensures the positional precision of each eyeglass, thus ensure that the measurement essence of one camera 3-dimensional image measuring instrument 1
Degree.
Specifically, the elastic force that elastic hold-down mechanism 62 is configured to make it provide can make eyeglass have opposing 5g～35g acceleration
The shock resistance of degree, even if occurring in transportation strong jolting, shaking and be also not result in lens deformation or rupture.In this reality
With in a novel preferred embodiment, the elastic force that elastic hold-down mechanism 62 provides can make eyeglass have opposing 15g～25g acceleration
The shock resistance of degree, thus can either ensure that elastic hold-down mechanism 62 can provide effective cushioning effect, ensure that again mirror
The steadiness that sheet is installed.
Specifically, in this utility model embodiment, lens permanent seat 60 can be added by CNC (Digit Control Machine Tool) processing mode
Work molding, 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, and therefore, the position of fixing groove 611 is also solid
Fixed.Thus, when utilizing one camera 3-dimensional image measuring instrument 1 of the present utility model that article 2 to be measured are measured, it is only necessary to
Article 2 to be measured are placed on transparent object stage 10, easy and simple to handle, it is not necessary 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, and two pieces of wallboards 61 can lead to
Cross the fixing connection of connecting plate, connecting rod or other attachment structures, it is possible to become with connecting plate, connecting rod or other attachment structures one
Type.Transparent object stage 10 lies in a horizontal plane on two pieces of wallboards 61, and can by the securing member such as screw, bolt with wallboard 61 fastening even
Connect.All offer three fixing grooves 611 on every piece of wallboard 61, and the fixing groove 611 on two pieces of wallboards 61 is relative two-by-two, with respectively
For installing the first reflecting mirror the 31, second reflecting mirror 32 and half-reflecting half mirror 33.First reflecting mirror the 31, second reflecting mirror 32 and half
Anti-pellicle mirror 33 is all connected across between two pieces of wallboards 61, and the edges at two ends portion of each eyeglass is respectively protruding into the phase of two pieces of wallboards 61
In fixing groove 611 to setting, and it is fixed by the elastic hold-down mechanism 62 in fixing groove 611.
Fig. 9 is the schematic isometric of the lens permanent seat being provided with eyeglass according to another embodiment of this utility model
Figure.In an alternate embodiment of the present utility model, two pieces of wallboards 61 of lens permanent seat 60 can also be arranged, i.e. in split
Two pieces of wallboards 61 are separate, and each eyeglass is all connected across on two pieces of wallboards 61.
Figure 10 is the schematic isometric of the lens permanent seat being provided with eyeglass according to another embodiment of this utility model
Figure.In another alternate embodiment of the present utility model, lens permanent seat 60 also can be only made up of one piece of wallboard 61.Each
Eyeglass only one end edge part stretches in the fixing groove 611 of this wallboard 61, to realize the unilateral support to eyeglass.
Figure 11 is the schematic cross sectional views that the cutting line A-A along Fig. 7 intercepts, and Figure 12 is the schematic of part B in Figure 11
Enlarged drawing.See Fig. 8 to Figure 12, elastic hold-down mechanism 62 can include at least one for provide elastic force elastic component 621 and
The briquetting 622 of eyeglass is compressed directly or indirectly under the effect of elastic component 621.It is to say, briquetting 622 can directly be connected to
Eyeglass, it is also possible to be indirectly connected to eyeglass by other structures.Such as in preferred embodiment of the present utility model, briquetting
622 be provided with flexible gasket 623 on the surface of eyeglass for compressing, to relax the active force suffered by eyeglass, and energy further
Enough avoid the surface of eyeglass is caused abrasion.Specifically, elastic hold-down mechanism 62 can include two elastic components 621, its difference position
In the two ends of fixing groove 611, so that the elastic force suffered by eyeglass more equalizes, thus avoid eyeglass that unnecessary deflection occurs.Pressure
Offering limited impression on the surface being used for abutting with elastic component 621 of block 622, one end of elastic component 621 is connected to fixing groove
The cell wall of 611, the other end inserts in this limited impression, thus avoids elastic component 621 to shift or deflection further.Elastic component 621
Can be spring, stage clip or other parts of elastic force can be provided, flexible gasket 623 can be silicagel pad or rubber blanket.
In embodiments more of the present utility model, seeing Figure 11, remaining in addition to the eyeglass with transmission function is every
Individual eyeglass is respectively provided with the reflecting surface for reflecting incident illumination and the back surfaces contrary with its reflecting surface.Elastic compression machine
The briquetting 622 of structure 62 compresses the back surfaces of eyeglass directly or indirectly.Specifically, in this utility model embodiment, first
Reflecting mirror 31 has reflecting surface 311 and back surfaces 312, and the second reflecting mirror 32 has reflecting surface 321 and back surfaces
322.The back surfaces of the first reflecting mirror 31 is compressed for fixing the briquetting 622 of the elastic hold-down mechanism 62 of the first reflecting mirror 31
312, the briquetting 622 of the elastic hold-down mechanism 62 for fixing the second reflecting mirror 32 compresses the back surfaces of the second reflecting mirror 32
322.Elastic hold-down mechanism 62 thus can either be avoided to block corresponding light path or hinder corresponding light line reflection, again it can be avoided that
The reflecting surface of eyeglass is produced abrasion, thus avoids the reflecting properties on eyeglass to produce impact.
The reflection of half-reflecting half mirror 33 can be compressed for fixing the briquetting 622 of the elastic hold-down mechanism 62 of half-reflecting half mirror 33
Surface, it is possible to compress the transmissive surface of half-reflecting half mirror 33.
In embodiments more of the present utility model, the outside of each fixing groove 611 is equipped with a baffle plate 63, to cover position
Elastic hold-down mechanism 62 and edge part in this fixing groove 611 stretch into the eyeglass in this fixing groove 611, and to this eyeglass
Carry out spacing.In this utility model embodiment, the outside of each fixing groove 611 is outside this fixing groove 611 place wallboard 61
Side, that is to say that wallboard 61 is towards the side outside lens permanent seat 60.Specifically, the edge of eyeglass and the inner surface of baffle plate 63
Contact or the inner surface of neighbouring baffle plate 63.Baffle plate 63 can be fastened on the outside of wallboard 61 by securing member.This securing member is such as
Can be 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 this fixing groove
The layout of 611 corresponding eyeglasses.I.e. this utility model can make corresponding eyeglass according to the light path design shown in Fig. 3 to Fig. 6
Fixing seat 60.Such as, for the light path shown in Fig. 3, lens permanent seat 60 can be designed to structure as shown in Figure 8.Specifically,
The layout of three fixing grooves 611 that the lens permanent seat 60 shown in Fig. 8 is designed so that on its wallboard 61 respectively with three mirrors in Fig. 3
The layout of sheet is identical.The layout of fixing groove 611 include its bearing of trend, relative to transparent object stage 10 position relationship and
With the position relationship etc. of other fixing grooves 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 this utility model can be by readjusting the position of the multiple fixing groove 611 of wallboard 61
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 applicable to the eyeglass of other light paths
The structure of fixing seat 60 is that those skilled in the art easily realize on the architecture basics of lens permanent seat 60 shown in Fig. 8, this
In not too much describe.
So far, although those skilled in the art will appreciate that the most detailed illustrate and describe of the present utility model many
Individual exemplary embodiment, but, in the case of without departing from this utility model spirit and scope, still can be public according to this utility model
The content opened directly determines or derives other variations or modifications of many meeting this utility model principle.Therefore, this practicality is new
The scope of type 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:
For carrying the transparent object stage of 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 the image by article basal surface to be measured including multiple
It is sent to described photographic means via the first light path and the second light path respectively with the image of side surface.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that multiple described eyeglasses include 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 is reflected into described after described first reflecting mirror reflection again through described half-reflecting half mirror
Photographic means, the image of article basal surface to be measured enters described after described second reflecting mirror reflection through described half-reflecting half mirror
Photographic means；Or
The image of article side surface to be measured enters described photograph through described half-reflecting half mirror after described first reflecting mirror reflection
Device, the image of article basal surface to be measured is reflected into described after described second reflecting mirror reflection again through described half-reflecting half mirror
Photographic means；Or
The image of article side surface to be measured warp after described second reflecting mirror reflection again after described first reflecting mirror reflection
Described half-reflecting half mirror is reflected into described photographic means, and the image of article basal surface to be measured is directed through described half-reflecting half mirror
Enter described photographic means；Or
The image of article side surface to be measured is directed through described half-reflecting half mirror and enters described photographic means, article basal surface to be measured
Image reflect through described half-reflecting half mirror after described first reflecting mirror reflection again after described second reflecting mirror reflection
Enter described photographic means.
One camera 3-dimensional image measuring instrument the most according to claim 1, it is characterised in that
Described transparent object stage, described photographic means and multiple described eyeglass relative to location arrangements become make article to be measured
Basal surface 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, each described fixing groove in described wallboard
In be equipped with an elastic hold-down mechanism, with the described mirror utilizing the elastic force of described elastic hold-down mechanism to stretch in this fixing groove
The edge part of sheet 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 under the effect of described elastic component
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, with cover the elastic hold-down mechanism being positioned in this fixing groove and
Edge part stretches into the described eyeglass in this fixing groove, and carries 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 determinand
The three-dimensional dimension of product.
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 |
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| CN205669994U true CN205669994U (en) | 2016-11-02 |
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| 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 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973165A (en) * | 2015-06-10 | 2016-09-28 | 北京领邦仪器技术有限公司 | Single-camera three-dimensional image measuring instrument |
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|---|---|---|---|---|
| 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 |
| 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 |
| CN109218702B (en) * | 2018-09-05 | 2019-12-31 | 天目爱视（北京）科技有限公司 | Camera rotation type 3D measurement and information acquisition device |
| 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 |
| 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 |
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| 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 |
| 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 |
| 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 |
| 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 |
| TW201120409A (en) * | 2009-12-10 | 2011-06-16 | Ind Tech Res Inst | Surveillance camera system and method |
| CN101966077A (en) * | 2010-03-25 | 2011-02-09 | 田捷 | Multi-angle imaging device |
| CN101949866B (en) * | 2010-09-01 | 2012-02-01 | 厦门大学 | Single camera omni-directional vision sensor for package test |
| 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 |
| CN104296679A (en) * | 2014-09-30 | 2015-01-21 | 唐春晓 | Mirror image type three-dimensional information acquisition device and method |
| 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 |
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2015
- 2015-06-10 CN CN201510313044.4A patent/CN105157601A/en active Pending
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- 2016-06-08 CN CN201610405743.6A patent/CN105973165B/en active Active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973165A (en) * | 2015-06-10 | 2016-09-28 | 北京领邦仪器技术有限公司 | Single-camera three-dimensional image measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105973165A (en) | 2016-09-28 |
| CN105157601A (en) | 2015-12-16 |
| CN105973165B (en) | 2017-11-10 |
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Effective date of registration: 20170327 Address after: 100094 Yongfeng Haidian District industrial base, North Wing Road, No. 3, standard workshop, room 3, floor 301, room Patentee 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 Patentee before: Beijing Leadertech Instruments Co., Ltd. |