CN105973165B - One camera 3-dimensional image measuring instrument - Google Patents
One camera 3-dimensional image measuring instrument Download PDFInfo
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- CN105973165B CN105973165B CN201610405743.6A CN201610405743A CN105973165B CN 105973165 B CN105973165 B CN 105973165B CN 201610405743 A CN201610405743 A CN 201610405743A CN 105973165 B CN105973165 B CN 105973165B
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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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Abstract
The present invention relates to a kind of one camera 3-dimensional image measuring instrument, it includes：Transparent objective table, for carrying article to be measured；Photographic means, it is configured to shoot the image of article to be measured；And light path is turned back device, including multiple eyeglasses with reflection and/or transmission function, the image of article basal surface to be measured and the image of side surface are sent to the photographic means via the first light path and the second light path respectively.The present invention is not only able to realize the collection of article 3-dimensional image to be measured, and reduces the quantity of photographic means, eliminates the motion of complexity, so as to simplify the structure of one camera 3-dimensional image measuring instrument, cost is greatly reduced.Simultaneously as the photographic means of the present invention need not move on a large scale, therefore improve the image collection efficiency of one camera 3-dimensional image measuring instrument.
Description
Technical field
The present invention relates to image collection e measurement technology, more particularly to a kind of one camera 3-dimensional image measuring instrument.
Background technology
Existing image measurer can only typically do bidimensional image dimensional measurement, and the e measurement technology of three-dimensional space is also not
It is ripe.At present, traditional mode that can realize 3-dimensional image measurement substantially has three kinds：First way, it is multiple by setting
Camera correspondingly gathers the image of the multiple sides of article.The structure of this image measurer is considerably complicated, and volume is larger, and cost compared with
It is high.The second way, by setting single camera, and make camera motion to diverse location to gather the shadow of article not ipsilateral
Picture；Or install the measurement that touch sensor realizes another dimension additional on ordinary two dimensional image measurer.This image is surveyed
The structure of amount instrument is also considerably complicated, and measurement efficiency and measurement accuracy are relatively low.The third mode, using Structure light method, i.e., to be measured
Curved surface projects default pattern, and the deflection by analyzing pattern obtains the three-dimensional dimension information of curved surface.However, this mode is led to
Curved surface often is only applied to, lacks application for orthogonal two faces；And which has only been 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, to ensure such image measurer normal work or there is appropriate measurement accuracy, not only need mirror
Piece is reliable, is precisely mounted at precalculated position, but also to ensure that eyeglass is not forced deformation in installation process.But at this
Before invention, the various eyeglass mounting means of prior art can not meet the higher morpheme of eyeglass in image measurer well
Required precision.It can be said that for the eyeglass in image measurer provide it is a kind of ensure its have the higher accuracy of form and position appropriate peace
Dress mode is the technical barrier that those skilled in the art thirst for solving but solving without success all the time always for a long time.
In addition, jolting, shake etc. for occurring in image measurer transportation may also make to the accuracy of form and position of eyeglass
Into adverse effect, in some instances it may even be possible to cause lens breakage.Thus, prior art is typically to transport to destination (example in image measurer
Such as curstomer's site) after eyeglass is attached to image measurer again, not only installation process is complicated, operation difficulty is larger, and after sale
Cost of labor is very high.It is avoided to transport it can be said that providing a kind of appropriate mounting means for the eyeglass in image measurer
It is also always that those skilled in the art thirst for solving but all the time not succeeding for a long time to occur deformation, displacement or rupture etc. in journey
The technical barrier of solution.
The content of the invention
One object of the present invention is intended to overcome at least one defect of the prior art, there is provided it is a kind of it is simple in construction, into
The one camera 3-dimensional image measuring instrument that this is relatively low, collecting efficiency is higher.
Another object of the present invention is to ensure the measurement accuracy 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, avoids eyeglass from existing
Damaged in transportation.
To achieve these goals, the present invention provides a kind of one camera 3-dimensional image measuring instrument, including：
Transparent objective table, for carrying article to be measured；
Photographic means, it is configured to shoot the image of article to be measured；And
Light path is turned back device, including multiple eyeglasses with reflection and/or transmission function, by article basal surface to be measured
Image and the image of side surface are sent to the photographic means via the first light path and the second light path respectively.
Alternatively, multiple eyeglasses include the first speculum, the second speculum and a half-reflecting half mirror, and are configured to
So that：
The image of article side surface to be measured is reflected into through the half-reflecting half mirror again after first speculum reflection
The photographic means, the image of article basal surface to be measured enter after second speculum reflection through the half-reflecting half mirror
The photographic means；Or
The image of article side surface to be measured is after first speculum reflection through described in half-reflecting half mirror entrance
Photographic means, the image of article basal surface to be measured are reflected into through the half-reflecting half mirror again after second speculum reflection
The photographic means；Or
The image of article side surface to be measured reflects most through second speculum again after first speculum reflection
The photographic means is reflected into by the half-reflecting half mirror, the image of article basal surface to be measured is directed through described half anti-half
Lens enter the photographic means；Or
The image of article side surface to be measured is directed through the half-reflecting half mirror and enters the photographic means, article bottom to be measured
The image on surface is after second speculum reflection again after first speculum reflection most through the half-reflecting half mirror
It is reflected into the photographic means.
Alternatively, the relative position of the transparent objective table, the photographic means and multiple eyeglasses is arranged to make
The basal surface and side surface for obtaining article to be measured are in the depth of field of the photographic means.
Alternatively, the inside upper part edge of the transparent objective table is in the depth of field of the photographic means, wherein
The inner side of the transparent objective table is the side mutually deviated from the backlight of article side surface to be measured.
Alternatively, the one camera 3-dimensional image measuring instrument also includes：
The lens permanent seat made of at least one piece of wallboard, multiple fixing grooves are offered in the wallboard, it is each described solid
Determine to be equipped with an elastic hold-down mechanism in groove, with the institute that will be stretched into the fixing groove using the elastic force of the elastic hold-down mechanism
The edge part for stating eyeglass is fixed.
Alternatively, the elastic hold-down mechanism includes at least one for providing the elastic component of elastic force and in the elasticity
The briquetting of the eyeglass is directly or indirectly compressed in the presence of part.
Alternatively, the briquetting is used to compressing and be provided with flexible gasket on the surface of the eyeglass.
Alternatively, a baffle plate is equipped with the outside of each fixing groove, is pressed with covering the elasticity being located in the fixing groove
The eyeglass that tight mechanism and edge part are stretched into the fixing groove, and the eyeglass is carried out spacing；Wherein
The outside of outside wallboard where the fixing groove of each fixing groove.
Alternatively, the one camera 3-dimensional image measuring instrument also includes：
Image analysis processing device, it is configured to that the image of photographic means shooting is identified, calculates, to be treated
Survey the three-dimensional dimension of article.
The one camera 3-dimensional image measuring instrument of the present invention passes through transparent objective table bearing article, the image energy of article basal surface
Enough light path is emitted directly toward through transparent objective table to turn back device, and then photographic means is sent to by light path device of turning back, thus,
The image of the basal surface of article to be measured can be obtained, is advantageous to the placement of article to be measured and the arrangement of eyeglass.Also, the present invention is only
The image of the image of article basal surface to be measured and side surface can be sent to using the device of turning back of the light path with multiple eyeglasses
Same photographic means, is not only able to realize the collection of article 3-dimensional image to be measured, and compared to being reduced for prior art
The quantity of photographic means, the motion for eliminating complexity, so as to simplifying the structure of image measurer, be greatly reduced
Cost.Simultaneously as the photographic means of the present invention need not move on a large scale, therefore improve the image collection of image measurer
Efficiency.
Further, because the light path device of turning back of the present invention may include two speculums and a half-reflecting half mirror, because
This article basal surface to be measured and the image of side surface can be sent to photograph dress by a variety of light paths formed between these three eyeglasses
Put.The arrangement of above three eyeglass and a kind of form is not limited to, so as to improve the flexibility of eyeglass arrangement, and then is letter
The structure for changing one camera 3-dimensional image measuring instrument provides multiple choices.
Further, because the one camera 3-dimensional image measuring instrument of the present invention includes the eyeglass made of at least one piece of wallboard
Fixed seat, fixing groove is offered in its wallboard, elastic hold-down mechanism is provided with fixing groove, therefore, using elastic hold-down mechanism
Elastic force the lens edge portion stretched into the fixing groove is compressed, to carry out reliable and stable flexible fastening to eyeglass.When transporting
It is defeated, carry etc. during occur jolting, shake when, elastic hold-down mechanism can delay to the active force that eyeglass is subject to
Punching, to avoid eyeglass from being damaged because stress is excessive, so as to improve the shock resistance of eyeglass, avoids its damage.Jolting, shaking
Situations such as disappear after, the elastic restoring force and can of elastic hold-down mechanism enough ensures that eyeglass recovers the position initially set to it, by
This, it can be ensured that the relative position between eyeglass keeps constant, and ensures the positional precision of each eyeglass, so as to ensure that one camera
The measurement accuracy of 3-dimensional image measuring instrument.
Further, fix because the present invention carries out elastic compression using elastic hold-down mechanism to eyeglass, therefore, can fill
Assembly lens during with one camera 3-dimensional image measuring instrument, it is easy to operate, be advantageous to the installation of eyeglass.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was 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 block diagram of one camera 3-dimensional image measuring instrument according to an embodiment of the invention；
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；
Fig. 5 is the schematic index path according to the one camera 3-dimensional image measuring instrument of another embodiment of the invention；
Fig. 6 is the schematic index path according to the one camera 3-dimensional image measuring instrument of further embodiment of the present invention；
Fig. 7 is the schematic elevational view of the lens permanent seat according to an embodiment of the invention for being provided with eyeglass；
Fig. 8 is the schematic perspective view of the lens permanent seat according to an embodiment of the invention for being provided with eyeglass；
Fig. 9 is the schematic perspective view of the lens permanent seat in accordance with another embodiment of the present invention for being provided with eyeglass；
Figure 10 is the schematic perspective view according to the lens permanent seat for being provided with eyeglass of another embodiment of the invention；
Figure 11 is the schematic cross sectional views intercepted along the cutting line A-A in Fig. 7；
Figure 12 is the schematic expanded view of part B in Figure 11.
Embodiment
The embodiment of the present invention provides a kind of one camera 3-dimensional image measuring instrument.Fig. 1 is according to an embodiment of the invention
The schematic diagram of one camera 3-dimensional image measuring instrument, Fig. 2 are one camera 3-dimensional images according to an embodiment of the invention
The schematic block diagram of measuring instrument.The one camera 3-dimensional image measuring instrument 1 of the present invention includes transparent objective table 10 and photograph fills
Put 20.Transparent objective table 10 is used to carry article 2 to be measured.Specifically, transparent objective table 10 can be by transparency glass plate, suprasil
Plate or other suitable clear sheets are formed.Photographic means 20 is configured to shoot the image of article 2 to be measured.Specifically, photograph dress
Put 20 can be set to it is adjustable relative to the plane pitching where transparent objective table 10, 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 adjustment mechanism 70, be taken a picture for adjustment
The angle lenses of device 20, so as to realize that photographic means 20 is adjustable relative to the plane pitching where transparent objective table 10.Photograph
Device 20 may include camera 21 and camera lens 22.Camera 21 can for example have 2,000,000 pixels, and the visual field corresponding to camera lens 22 for example can be with
For 46mm × 35mm.The one camera 3-dimensional image measuring instrument 1 of the present invention carries article 2 to be measured by transparent objective table 10, to be measured
The image of the basal surface of article 2 can pass through transparent objective table 10 and be emitted directly toward the eyeglass positioned at the transparent lower section of objective table 10, thus,
The placement of article 2 to be measured and the arrangement of eyeglass can be advantageous to using the basal surface of article 2 to be measured as one of measured surface.
Especially, one camera 3-dimensional image measuring instrument 1 is also turned back device 30 including light path, light path turn back device 30 include it is more
The individual eyeglass with reflection and/or transmission function, by the image of the basal surface of article 2 to be measured and the image of side surface respectively via
First light path and the second light path are sent to photographic means 20.At this it is emphasized that term " eyeglass " used is no in the present invention
Only include plane speculum and semi-transparent semi-reflecting lens, but also other suitable non-planar speculums and semi-transparent such as including prism
Semi-reflective mirror.That is, the present invention turn back device 30 just with the light path with multiple eyeglasses can be by article bottom to be measured table
The image in face and the image of side surface are sent to same photographic means 20, are not only able to realize adopting for article 3-dimensional image to be measured
Collection, and compared to the motion for reducing the quantity of photographic means for prior art, eliminating complexity, so as to simplify
The structure of one camera 3-dimensional image measuring instrument 1, cost is greatly reduced.Simultaneously as the nothing of photographic means 20 of the present invention
It need on a large scale move, therefore improve the image collection efficiency of one camera 3-dimensional image measuring instrument 1.
Specifically, in certain embodiments of the present invention, the basal surface of article 2 to be measured and side surface can be by once exposing
Photoimaging, the image of the basal surface of article 2 to be measured and the image of side surface can be sent to photographic means 20 simultaneously.Now, determinand
The first light path that the image of the basal surface of product 2 is passed through and the second light path that the image of side surface is passed through be not any in space
Overlapping part.In some alternative embodiments of the present invention, the basal surface of article 2 to be measured and side surface also can be at twice
Exposure image.For example, single exposure can be carried out to the basal surface of article 2 to be measured first, the image of the basal surface of article 2 to be measured first passes through
First light path is sent to photographic means 20；Then single exposure, the side table of article 2 to be measured are carried out to the side surface of article 2 to be measured 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 can have weight in space
Folded part, can also be without overlapping 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 that the image that photographic means 20 is shot is identified, calculated, to obtain the three-dimensional dimension of article 2 to be measured.Specifically,
Image analysis processing device 50 can be connected with the signal of photographic means 20 computer, flat board or other have analyze and process energy
The equipment of power.Image analysis processing software can be integrated with image analysis processing device 50, its device 30 that can be turned back to light path
The basal surface of article to be measured 2 of transmission and the image of side surface are analyzed and processed, so as at least obtain the basal surface of article 2 to be measured
The dimension information of dimension information (including length dimension and width dimensions) and side surface in the vertical direction (height dimension or
Thickness).It is commercially available due to the image analysis processing software of the embodiment of the present invention, and is relatively easy to realize,
Therefore it is not excessive here to illustrate.
Treated for the irradiation from side the side that one camera 3-dimensional image measuring instrument 1 also includes being arranged at transparent objective table 10
Survey the side backlight 41 of article 2 and be arranged at the top of transparent objective table 10 for irradiating article 2 to be measured from top to bottom
Bottom backlight 42.Herein it is emphasized that in embodiments of the present invention, the side for being provided with side backlight 41 is
The outside of bright objective table 10, with the inner side that the side that the phase of side backlight 41 deviates from is transparent objective table 10.
Fig. 3 is the schematic index path of one camera 3-dimensional image measuring instrument according to an embodiment of the invention, and Fig. 4 is root
According to the schematic index path of the one camera 3-dimensional image measuring instrument of another embodiment of the present invention, Fig. 5 is another according to the present invention
The schematic index path of the one camera 3-dimensional image measuring instrument of individual embodiment, Fig. 6 are the lists according to further embodiment of the present invention
The schematic index path of camera 3-dimensional image measuring instrument.In some embodiments of the invention, light path is turned back the multiple of device 30
Eyeglass may include the first speculum 31, the second speculum 32 and a half-reflecting half mirror 33, and the plurality of eyeglass can be configured to and make
：
The image of the side surface of article 2 to be measured is reflected into photograph through half-reflecting half mirror 33 again after the reflection of the first speculum 31
Device 20, the image of the basal surface of article 2 to be measured enter photographic means after the reflection of the second speculum 32 through half-reflecting half mirror 33
20 (embodiments shown in Figure 3)；Or
The image of the side surface of article 2 to be measured enters photographic means after the reflection of the first speculum 31 through half-reflecting half mirror 33
20, the image of the basal surface of article 2 to be measured is reflected into photographic means through half-reflecting half mirror 33 again after the reflection of the second speculum 32
20 (embodiments shown in Figure 4)；Or
The image of the side surface of article 2 to be measured passes through after the second speculum 32 reflects most again after the reflection of the first speculum 31
Half-reflecting half mirror 33 is reflected into photographic means 20, and the image of the basal surface of article 2 to be measured is directed through half-reflecting half mirror 33 and entered
Photographic means 20 (embodiment shown in Figure 5)；Or
The image of the side surface of article 2 to be measured is directed through half-reflecting half mirror 33 and enters photographic means 20, the bottom table of article 2 to be measured
The image in face is reflected into after the first speculum 31 reflects most through half-reflecting half mirror 33 again after the reflection of the second speculum 32
Photographic means 20 (embodiment shown in Figure 6).
As can be seen here, the basal surface of article 2 to be measured and the image of side surface can be more by what is formed between above three eyeglass
Kind light path is sent to photographic means 20.The arrangement of above three eyeglass and a kind of form is not limited to, so as to improve eyeglass
The flexibility of arrangement, and then provide multiple choices to simplify the structure of one camera 3-dimensional image measuring instrument 1.
In some embodiments of the invention, the relative position of transparent objective table 10, photographic means 20 and multiple eyeglasses
The basal surface and side surface for being arranged so that article 2 to be measured are in the depth of field of photographic means 20.Thus, article 2 to be measured
Basal surface and side surface can in photographic means 20 blur-free imaging, in order to accurately acquire the basal surface of article 2 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 flat where transparent objective table 10
Face.First speculum 31, the second speculum 32 and half-reflecting half mirror 33 are arranged in parallel, and the optical axis with camera lens 22 is in
45 degree of angles.First speculum 31 is located at the side (inner side) of transparent objective table 10, and article to be measured 2 is in the institute of the first speculum 31
Plane in projection fall into the region where the first speculum 31.Second speculum 32 is being located at transparent objective table 10 just
Lower section, and projection of the article to be measured 2 in the plane where the second speculum 32 is fallen into the region at the place of the second speculum 32.
Half-reflecting half mirror 33 is located at the side-lower of transparent objective table 10, and positioned at the underface of the first speculum 31.
In the embodiment shown in fig. 4, the first speculum 31, the second speculum 32 and half-reflecting half mirror 33 are parallel to each other
Set, and be in 45 degree of angles with the optical axis of camera lens 22.First speculum 31, the second speculum 32 and the phase of half-reflecting half mirror 33
It is identical with embodiment illustrated in fig. 3 for the position relationship of transparent objective table 10.Unlike embodiment illustrated in fig. 3, camera lens 22
Optical axis perpendicular to the plane where transparent objective table 10, and the direction of the reflecting surface of half-reflecting half mirror 33 is opposite.
In the embodiment shown in fig. 5, the optical axis of camera lens 22 is perpendicular to the plane where transparent objective table 10.First reflection
Mirror 31, the second speculum 32 and half-reflecting half mirror 33 are in 45 degree of angles with the optical axis of camera lens 22.Second speculum 32 and half
Anti- pellicle mirror 33 is arranged in parallel, and is in 90 degree of angles with the first speculum 31.First speculum 31 is located at transparent objective table
10 side (inner side), and projection of the article to be measured 2 in the plane where the first speculum 31 falls into the institute of the first speculum 31
Region in.Second speculum 32 is located at the side-lower of transparent objective table 10, and positioned at the underface of the first speculum 31.Half
Anti- pellicle mirror 33 is located at the underface of transparent objective table 10, and throwing of the article to be measured 2 in the plane where half-reflecting half mirror 33
Shadow is fallen into the region at the place of half-reflecting half mirror 33.
In the embodiment shown in fig. 6, the optical axis of camera lens 22 is parallel to the plane where transparent objective table 10.First reflection
Mirror 31, the second speculum 32 and half-reflecting half mirror 33 are in 45 degree of angles with the optical axis of camera lens 22.First speculum 31 and half
Anti- pellicle mirror 33 is arranged in parallel, and is in 90 degree of angles with the second speculum 32.Half-reflecting half mirror 33 is located at transparent objective table
10 side (inner side), and projection of the article to be measured 2 in the plane where half-reflecting half mirror 33 falls into the institute of half-reflecting half mirror 33
Region in.First speculum 31 is located at the side-lower of transparent objective table 10, and positioned at the underface of half-reflecting half mirror 33.The
Two-mirror 32 is located at the underface of transparent objective table 10, and throwing of the article to be measured 2 in the plane where the second speculum 32
Shadow is fallen into the region at the place of the second speculum 32.
In some embodiments of the invention, the inside upper part edge 11 of transparent objective table 10 is in the scape of photographic means 20
In depth so that the inside upper part edge 11 of transparent objective table 10 can in photographic means 20 blur-free imaging, so as to be treated
The size for surveying the side surface in the vertical direction of article 2 provides reference basis.It will be understood by those skilled in the art that transparent loading
The inner side of platform 10 is the side mutually deviated from the backlight (i.e. side backlight 41) of the side surface of article 2 to be measured, be that is to say transparent
Objective table 10 is close to the side of eyeglass.In some alternate embodiments of the present invention, the whole inner side edge of transparent objective table 10
Edge can be in the depth of field of photographic means 20.
, can also be by residing for the inside upper part edge 11 of transparent objective table 10 in some alternate embodiments of the present invention
Position is previously written in the program of image analysis processing software, without requiring its blur-free imaging in photographic means 20.Namely
Say, the inside upper part edge of transparent objective table 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 according to an embodiment of the invention for being provided with eyeglass, and Fig. 8 is
The schematic perspective view of the lens permanent seat according to an embodiment of the invention for being provided with eyeglass is (for the ease of observing, in Fig. 8
Baffle plate 63 is concealed).In some embodiments of the invention, one camera 3-dimensional image measuring instrument 1 also includes by least one piece of wall
Lens permanent seat 60 made of plate 61, multiple fixing grooves 611 are offered in wallboard 61, a bullet is equipped with each fixing groove 611
Property hold-down mechanism 62, so that the edge part of the eyeglass stretched into the fixing groove 611 to be compressed using the elastic force of elastic hold-down mechanism 62
It is fixed.Thus, reliable and stable flexible fastening can be carried out to eyeglass.When in transport, carry etc. during occur jolting, shake
During situation, elastic hold-down mechanism 62 can enter row buffering to the active force that eyeglass is subject to, to avoid eyeglass from being damaged because stress is excessive
Ruin, so as to improve the shock resistance of eyeglass.After disappearing jolt, shake situations such as, the elastic restoring force of elastic hold-down mechanism
And can enough ensures that eyeglass recovers the position initially set to it, thus, it can be ensured that the relative position between eyeglass keeps constant, and
Ensure the positional precision of each eyeglass, so as to ensure that the measurement accuracy of one camera 3-dimensional image measuring instrument 1.
Specifically, the elastic force that elastic hold-down mechanism 62 is configured to provide it can make eyeglass that there is resistance 5g~35g to accelerate
The shock resistance of degree, occur strong jolting, shaking and will not also cause lens deformation or rupture even if in transportation.In this hair
In a bright preferred embodiment, the elastic force that elastic hold-down mechanism 62 provides can make eyeglass have resistance 15g~25g acceleration
Shock resistance, it thus can either ensure that elastic hold-down mechanism 62 can provide effective cushioning effect, and can enough ensures that eyeglass is pacified
The steadiness of dress.
Specifically, in embodiments of the present invention, lens permanent seat 60 can be processed into by CNC (Digit Control Machine Tool) processing mode
Type, to ensure its structure precision, so as to ensure the precision of the locus of multiple eyeglasses.
For a kind of specific light path, the position of eyeglass is fixed, and therefore, the position of fixing groove 611 is also solid
Fixed.Thus, when the one camera 3-dimensional image measuring instrument 1 using the present invention measures to article 2 to be measured, it is only necessary to will treat
Article 2 is surveyed to be placed on transparent objective table 10, it is easy to operate, it is not necessary to manually adjust the angle of eyeglass, improve image
Collecting 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
Connecting plate, connecting rod or other attachment structures are crossed to be fixedly connected, also can with connecting plate, connecting rod or other attachment structures one into
Type.Transparent objective table 10 is lain in a horizontal plane on two pieces of wallboards 61, and can be connected by the fasteners such as screw, bolt and the fastening of wallboard 61
Connect.Three fixing grooves 611 are offered 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 speculum 31, the second speculum 32 and half-reflecting half mirror 33.First speculum 31, the second speculum 32 and half
Anti- pellicle mirror 33 is 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
To in the fixing groove 611 of setting, and it is fixed by the elastic hold-down mechanism 62 in fixing groove 611.
Fig. 9 is the schematic perspective view of the lens permanent seat in accordance with another embodiment of the present invention for being provided with eyeglass.
In the alternate embodiment of the present invention, two pieces of wallboards 61 of lens permanent seat 60 can also split settings, i.e. two pieces of wallboards
61 independently of each other, and each eyeglass is connected across on two pieces of wallboards 61.
Figure 10 is the schematic perspective view according to the lens permanent seat for being provided with eyeglass of another embodiment of the invention.
In another alternate embodiment of the present invention, lens permanent seat 60 only can also be made up of one piece of wallboard 61.Each eyeglass only has
One end edge part is stretched into the fixing groove 611 of the wallboard 61, to realize that the one side to eyeglass supports.
Figure 11 is the schematic cross sectional views intercepted along the cutting line A-A in Fig. 7, and Figure 12 is the schematic of part B in Figure 11
Enlarged drawing.Referring to Fig. 8 to Figure 12, elastic hold-down mechanism 62 may include it is at least one be used for provide elastic force elastic component 621 and
The briquetting 622 of eyeglass is directly or indirectly compressed in the presence of elastic component 621.That is, briquetting 622 can be directly connected to
Eyeglass, eyeglass can also be connected to indirectly by other structures.Such as in a preferred embodiment of the invention, briquetting 622
Flexible gasket 623 is provided with surface for compressing eyeglass, further to relax the active force suffered by eyeglass, and can be avoided
Abrasion is caused to the surface of eyeglass.Specifically, elastic hold-down mechanism 62 may include two elastic components 621, and it is respectively positioned at fixation
The both ends of groove 611, so that the elastic force suffered by eyeglass is more balanced, so as to avoid eyeglass that unnecessary deflection occurs.Briquetting 622
For offering limited impression on the surface that is abutted with elastic component 621, one end of elastic component 621 is connected to the groove of fixing groove 611
Wall, the other end are inserted in the limited impression, so as to further avoid elastic component 621 from shifting or deflection.Elastic component 621 can be bullet
Spring, stage clip or other the part of elastic force can be provided, flexible gasket 623 can be silicagel pad or rubber blanket.
In some embodiments of the invention, referring to Figure 11, remaining each mirror in addition to the eyeglass with transmission function
Piece is respectively provided with reflecting surface and the back surfaces opposite with its reflecting surface for reflecting incident light.Elastic hold-down mechanism 62
Briquetting 622 directly or indirectly compress the back surfaces of eyeglass.Specifically, in embodiments of the present invention, the first speculum 31
With reflecting surface 311 and back surfaces 312, the second speculum 32 has reflecting surface 321 and back surfaces 322.For solid
The briquetting 622 of the elastic hold-down mechanism 62 of fixed first speculum 31 compresses the back surfaces 312 of the first speculum 31, for fixing
The briquetting 622 of the elastic hold-down mechanism 62 of second speculum 32 compresses the back surfaces 322 of the second speculum 32.Thus can either
Elastic hold-down mechanism 62 is avoided to block corresponding light path or hinder corresponding light reflection, and can enough avoids the reflection table to eyeglass
Face produces abrasion, so as to avoid the reflecting properties to eyeglass from having an impact.
The briquetting 622 of elastic hold-down mechanism 62 for fixing half-reflecting half mirror 33 can compress the reflection of half-reflecting half mirror 33
Surface, it can also 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, and being located at masking should
The eyeglass that elastic hold-down mechanism 62 and edge part in fixing groove 611 are stretched into the fixing groove 611, and the eyeglass is carried out
It is spacing.In embodiments of the present invention, the outside of each fixing groove 611 is the outside of the place wallboard 61 of fixing groove 611, be that is to say
Wallboard 61 is towards the side outside lens permanent seat 60.Specifically, the edge of eyeglass contacts or adjacent with the inner surface of baffle plate 63
The inner surface of nearly baffle plate 63.Baffle plate 63 can be fastened on the outside of wallboard 61 by fastener.The fastener for example can be spiral shell
Nail, bolt etc..
It is emphasized that the bearing of trend of each fixing groove 611 on wallboard 61 and position depends on and the fixing groove
The arrangement of 611 corresponding eyeglasses.I.e. the present invention can be made corresponding eyeglass according to the light path design shown in Fig. 3 to Fig. 6 and fix
Seat 60.For example, for the light path shown in Fig. 3, lens permanent seat 60 can be designed to structure as shown in Figure 8.Specifically, Fig. 8
Shown lens permanent seat 60 be designed to make the arrangements of three fixing grooves 611 on its wallboard 61 respectively with three eyeglasses in Fig. 3
Arrangement it is identical.The arrangement of fixing groove 611 includes its bearing of trend, position relationship, Yi Jiyu relative to transparent objective table 10
Position relationship of other fixing grooves 611 etc., the arrangement of eyeglass include its bearing of trend, closed relative to the position of transparent objective table 10
System and with the position relationship of other eyeglasses etc..
Herein it is emphasized that the present invention can be made up of the position for the multiple fixing grooves 611 for readjusting wallboard 61
Suitable for the lens permanent seat 60 of other light paths (such as light path shown in Fig. 4 to Fig. 6).Fixed suitable for the eyeglass of other light paths
The structure of seat 60 is that those skilled in the art easily realize on the architecture basics of lens permanent seat 60 shown in Fig. 8, here not
Give excessive description.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (9)
1. a kind of one camera 3-dimensional image measuring instrument, the detection for gabarit morpheme, it is characterised in that including：
Transparent objective table, for carrying article to be measured；
Side backlight and bottom backlight, it is laterally disposed that the side backlight corresponds to the transparent objective table, the bottom
Backlight corresponds to vertically arranged above the transparent objective table；
One photographic means, is configured to shoot the image of article to be measured, relatively described transparent objective table fixed setting during use；With
And
Light path is turned back device, including multiple eyeglasses with reflection and/or transmission function, and the bottom backlight is irradiated into institute
The image for stating the horizontal gabarit of article to be measured is sent to the photographic means via the first light path, and the side backlight is irradiated into institute
The image for stating article sidepiece gabarit to be measured is sent to the photographic means via the second light path.
2. one camera 3-dimensional image measuring instrument according to claim 1, it is characterised in that multiple eyeglasses include first
Speculum, the second speculum and a half-reflecting half mirror, and be arranged so that：
The image of article side surface to be measured is reflected into described through the half-reflecting half mirror again after first speculum reflection
Photographic means, the image of article basal surface to be measured are passed through after second speculum reflection described in half-reflecting half mirror entrance
Photographic means；Or
The image of article side surface to be measured enters the photograph after first speculum reflection through the half-reflecting half mirror
Device, the image of article basal surface to be measured are reflected into through the half-reflecting half mirror described again after second speculum reflection
Photographic means；Or
The image of article side surface to be measured passes through after second speculum reflection most again after first speculum reflection
The half-reflecting half mirror is reflected into the photographic means, and the image of article basal surface to be measured is directed through the half-reflecting half mirror
Into the photographic means；Or
The image of article side surface to be measured is directed through the half-reflecting half mirror and enters the photographic means, article basal surface to be measured
Image by second speculum reflection after again through first speculum reflection most after through the half-reflecting half mirror reflect
Into the photographic means.
3. one camera 3-dimensional image measuring instrument according to claim 1, it is characterised in that
The relative position of the transparent objective table, the photographic means and multiple eyeglasses is arranged so that article to be measured
Basal surface and side surface are in the depth of field of the photographic means.
4. one camera 3-dimensional image measuring instrument according to claim 1, it is characterised in that
The inside upper part edge of the transparent objective table is in the depth of field of the photographic means, wherein
The inner side of the transparent objective table is the side mutually deviated from the backlight of article side surface to be measured.
5. one camera 3-dimensional image measuring instrument according to claim 1, it is characterised in that also include：
The lens permanent seat made of at least one piece of wallboard, multiple fixing grooves are offered in the wallboard, each fixing groove
In be equipped with an elastic hold-down mechanism, with the mirror that will be stretched into using the elastic force of the elastic hold-down mechanism in the fixing groove
The edge part of piece is fixed.
6. one camera 3-dimensional image measuring instrument according to claim 5, it is characterised in that
The elastic hold-down mechanism includes at least one for providing the elastic component of elastic force and in the presence of the elastic component
Directly or indirectly compress the briquetting of the eyeglass.
7. one camera 3-dimensional image measuring instrument according to claim 6, it is characterised in that
The briquetting is provided with flexible gasket for compressing on the surface of the eyeglass.
8. one camera 3-dimensional image measuring instrument according to claim 5, it is characterised in that
Be equipped with a baffle plate on the outside of each fixing groove, with cover the elastic hold-down mechanism that is located in the fixing groove and
The eyeglass that edge part is stretched into the fixing groove, and the eyeglass is carried out spacing；Wherein
The outside of outside wallboard where the fixing groove of each fixing groove.
9. one camera 3-dimensional image measuring instrument according to claim 1, it is characterised in that also include：
Image analysis processing device, it is configured to that the image of photographic means shooting 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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| Publication Number | Publication Date |
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| CN105973165A CN105973165A (en) | 2016-09-28 |
| CN105973165B true CN105973165B (en) | 2017-11-10 |
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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 |
| 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 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620557250.XU Active CN205669994U (en) | 2015-06-10 | 2016-06-08 | One camera 3-dimensional image measuring instrument |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
Family Cites Families (12)
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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 |
| 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 |
| 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 |
| 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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- 2016-06-08 CN CN201610405743.6A patent/CN105973165B/en active Active
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| CN105157601A (en) | 2015-12-16 |
| CN105973165A (en) | 2016-09-28 |
| CN205669994U (en) | 2016-11-02 |
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