CN108759696A - Endoporus imaging measurement instrument - Google Patents
Endoporus imaging measurement instrument Download PDFInfo
- Publication number
- CN108759696A CN108759696A CN201810507695.0A CN201810507695A CN108759696A CN 108759696 A CN108759696 A CN 108759696A CN 201810507695 A CN201810507695 A CN 201810507695A CN 108759696 A CN108759696 A CN 108759696A
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- endoporus
- measurement instrument
- guide rail
- image acquisition
- imaging measurement
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- 238000003384 imaging method Methods 0.000 title claims abstract description 41
- 238000005259 measurement Methods 0.000 title claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000012545 processing Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 19
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
Abstract
It includes rack, image acquisition device, image processing apparatus and the pedestal for placing product to be detected that the present invention, which discloses a kind of endoporus imaging measurement instrument, image acquisition device can be relatively rotated with pedestal, and image acquisition device can also be relatively moved with pedestal, image processing apparatus splices the multisection type image that image acquisition device is collected into.It is not only realized by the endoporus imaging measurement instrument and the size of endoporus is measured, it simultaneously can also to the advanced row multisection type of inner hole wall Image Acquisition, a complete image of inner hole wall is obtained after being spliced collected multistage image successively finally by image processing apparatus so that low to the testing cost of endoporus, detection operating process is easy and detection time is short.
Description
Technical field
The present invention relates to imaging and fields of measurement more particularly to a kind of endoporus imaging measurement instrument.
Background technology
With the rapid development of society, for security performance the considerations of, requirement of the people for bought device are also got over
Come higher.Existing many devices need usually can all offer endoporus due to assembling, such as：Automobile engine cylinder-body etc..
Therefore the detection that is carried out to this kind of device further includes being measured to its endoporus, in addition to need to measure endoporus aperture whether
Meet outside production requirement, whether has whether flaw, inner hole wall have cracking etc. to be required to be detected for endoporus.
There are two types of the existing method measured to endoporus is general：The first detection method is to take sampling to examine product
The method of survey extracts detection sample from product, then splits product along the axle center of endoporus, be then detected, but the inspection
Survey method has following defect：(1) its result of sampling inspection can only also carry out the qualification rate of product one probably estimation, not
The detection to each product can specifically be represented；(2) product can be destroyed, and the time splitted needed for the product is long, increased
Production cost is added.Second of detection method is detected using rays such as X-rays, from the inside of endoporus to external exposure, then
See that the ray no can pass through inner hole wall, but so detection method has following defect：(1) expense of the detection device is bought
With costliness, production cost is increased；(2) later stage is also relatively high to the maintenance cost of the detection device, is typically only used for some
Measure of precision is high and applied in more expensive product testing.
Therefore, there is an urgent need for a kind of endoporus imaging measurement instrument at low cost, detection process is easy and detection time is short.
Invention content
The purpose of the present invention is to provide a kind of endoporus imaging measurement instrument for detecting endoporus, are surveyed by the interior borescopic imaging
It measures instrument and realizes the dimensional measurement to endoporus and the imaging to inner hole wall so that the testing cost of endoporus is low, detection operating process
Easy and detection time is short.
To achieve the goals above, include rack, image acquisition device, figure the present invention provides a kind of endoporus imaging measurement instrument
Pedestal as processing unit and for placing product to be detected, the floor installation is in the rack, and described image is adopted
Storage can also be relatively rotated with the pedestal, and described image collector can also be relatively moved with the pedestal, and described image is adopted
Storage carries out multisection type ground Image Acquisition, the multisection type that described image collector is collected by described image processing unit to endoporus
Image is spliced.
Preferably, described image collector is greater than or equal to 360 degree with the angle that the pedestal relatively rotates.
Specifically, the endoporus imaging measurement instrument further includes prism, and the prism is fixed under described image collector
Side, the camera lens of described image collector are corresponding with the prism.
More specifically, the camera lens of described image collector is straight down, the prism upper surface and the camera lens face
Part is horizontal by 45 degree of angles.
More specifically, the prism is connect with realizing with being relatively fixed for described image collector by a connecting rod.
More specifically, the endoporus imaging measurement instrument further includes light source, the light source is installed on the both sides of the prism.
Preferably, the endoporus imaging measurement instrument further includes the first guide rail, first guide rail is installed in the rack
And it is arranged along the length direction of the rack；Second guide rail, second guide rail are installed on by sliding block on first guide rail
And arrange that described image collector is opposite by second guide rail with the pedestal along the length direction perpendicular to the rack
Sliding；Third guide rail, the third guide rail are slidably mounted to the width direction cloth on second guide rail and along the rack
It sets, described image collector is slidably connected with the third guide rail.
Preferably, the endoporus imaging measurement instrument further includes anticollision device, collision-prevention device, the anticollision device, collision-prevention device is located under the prism
Side.
Preferably, the endoporus imaging measurement instrument further includes rotating device, the rotating device is by a flexible steel in flat section tubing
Drive the rotation of described image collector.
Compared with prior art, since the endoporus imaging measurement instrument of the present invention is relatively rotated by image acquisition device and pedestal
And image acquisition device and pedestal relatively move so that image acquisition device finally leads to endoporus with carrying out multisection type Image Acquisition
It crosses image processing apparatus to splice the collected multistage image of image acquisition device to recover the complete image of endoporus, scheme
As that can also realize the measurement to aperture dimension while acquisition, testing cost and entire detection process are not only reduced
Easier, since computer carries out analyzing processing to the image collected simultaneously, the time of detection is shorter.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the endoporus imaging measurement instrument of the present invention.
Fig. 2 is the partial enlarged view of endoporus imaging measurement instrument shown in FIG. 1.
Fig. 3 is the attachment structure schematic diagram of the part of the endoporus imaging measurement instrument of the present invention.
Specific implementation mode
For the technology contents of the present invention will be described in detail content, construction feature, the effect of realization, simultaneously below in conjunction with embodiment
Cooperation attached drawing is explained in detail.
Referring to FIG. 1, the endoporus imaging measurement instrument 100 of the present invention includes rack 10, image acquisition device 20, image procossing dress
Set (not shown), rotating device 30, driving motor 40 and the pedestal 50 for placing product 200 to be detected.Image Acquisition
Device 20, rotating device 30, driving motor 40 and pedestal 50 are mounted in rack 10, and rotating device 30 drives image acquisition device
20 rotations, driving motor 40 drive image acquisition device 20 along the axial movement of the endoporus 200a of product 200, specifically, driving electricity
Machine 40 be stepper motor with driving 20 discontinuous of image acquisition device mobile, but not limited to this；Image acquisition device 20 is to endoporus
Image Acquisition, image processing apparatus scheme the endoporus 200a for the multisection type that image acquisition device 20 is collected into 200a with carrying out multisection type
As carrying out data processing and inversion.In order to ensure the cost of endoporus imaging measurement instrument 100 of the invention, Image Acquisition of the invention
Device 20 is the video camera of the common camera function with a certain special angle, such as line-scan digital camera, but not limited to this.More specifically
Ground, it is as follows：
It please refers to Fig.1 to Fig. 3, in the present embodiment, endoporus imaging measurement instrument 100 further includes prism 60, light source 70, first
Guide rail 80, the second guide rail 90, third guide rail 110 and anticollision device, collision-prevention device 120.As shown in Figure 1, prism 60 is fixed on image acquisition device
The camera lens of 20 lower section, image acquisition device 20 is corresponding with prism 60, specifically, the camera lens of image acquisition device 20 straight down,
At least part of 60 upper surface of prism is horizontal by 45 degree of angles, in order to by the refraction action of prism 60, by endoporus
The concrete condition of the side wall of 200a is refracted on image acquisition device 20, but not limited to this；More specifically, prism 60 is by a connection
Bar 61 is connect with realizing with being relatively fixed for image acquisition device 20, with prevent image acquisition device 20 to the side wall of endoporus 200a into
Prism 60 occurs mobile and causes the image collected that deviation occurs when row acquisition image, but not limited to this；Meanwhile in this implementation
In example, light source 70 is installed on the plane of refraction of the range of exposures face prism 60 of the opposite both sides of prism 60 and light source 70 to realize
More clearly the image of the side wall of endoporus 200a is reflected, but not limited to this.Specifically, rotating device 30 is by a flexibility
Connecting tube 31 drives image acquisition device 20 to rotate, therefore hard connecting tube can need not be used rotating device 30 and image acquisition device
It is attached between 20, also need not just ensure that the concentricity between image acquisition device 20 and rotating device 30 must be consistent, more
Be conducive to the making of endoporus imaging measurement instrument 100, but not limited to this.As shown in figure 3, one end and the rotating dress of flexible steel in flat section tubing 31
30 connections are set, the other end of flexible steel in flat section tubing 31 is connect with rotating platform 32, and image acquisition device 20 is fixed on rotation by holder 21
Turn on platform 32, prism 60 and light source 70 are fixed on by connecting rod 61 on holder 21, therefore prism 60, light source 70 and figure
As 20 three of collector connects with being relatively fixed.In the present embodiment, prism 60 is preferably prism, but not limited to this.
In other embodiments, in order to more clearly reflect the image of the side wall of endoporus 200a, of the invention is interior
Borescopic imaging measuring instrument 100 is also equipped with convex lens (not shown), and different focusing are replaced to be directed to different size of endoporus 200a
The convex lens of distance so that the applicability of endoporus imaging measurement instrument 100 of the invention is wider.
With continued reference to FIG. 1, in the present embodiment, the first guide rail 80 is installed in rack 10 and along the length side of rack 10
To arrangement；Second guide rail 90 is installed on the first guide rail 80 by sliding block and is arranged along the length direction perpendicular to rack 10；The
Three guide rails 110 are slidably mounted on the second guide rail 90 and are arranged along the width direction of rack 10.I other words the first guide rail 80,
Second guide rail 90 and 110 three of third guide rail cooperate, respectively the X-direction centered on rack 10, Y direction and
Z-direction is arranged, therefore the endoporus imaging measurement instrument 100 of the present invention can carry out image for the different location of endoporus 200a and adopt
Collection.Specifically, image acquisition device 20 is slidably connected with third guide rail 110, but not limited to this；At the same time, driving motor 40 drives
Motion video collector 20 is slided along the second guide rail 90, but not limited to this.Meanwhile endoporus imaging measurement instrument 100 of the invention goes back volume
Outer to be equipped with first driving means 130 and the second driving device 140, first driving means 130 drive the second guide rail 90 along first
Guide rail 80 moves, and the second driving device 140 driving third guide rail 110 is moved along the second guide rail 90, but not limited to this.
Meanwhile as shown in Figure 1, in the present embodiment, anticollision device, collision-prevention device 120 is located at the lower section of prism 60, anticollision device, collision-prevention device 120 with
Driving motor 40 is electrically connected, to avoid image acquisition device 20 and prism 60 along endoporus 200a under the driving of driving motor 40
It moves and then knocks down in rack 10 and cause to damage, driving motor 40 is just fed back to when anticollision device, collision-prevention device 120 is hindered
Stopping image acquisition device 20 is sentenced to continue to decline；As shown in figure 3, in the present embodiment, anticollision device, collision-prevention device 120 can also pacify with prism 60
Be fitted together, anticollision device, collision-prevention device 120 at this time is electronic knock-proof device, be equipped on anticollision device, collision-prevention device 120 distance-sensor in order to
Incude the distance of the bottoms endoporus 200a of 60 distance product 200 of prism, but not limited to this.
The course of work of the endoporus imaging measurement instrument 100 of the present invention is further described below：
In the present embodiment, product 200 is fixed on base 50, and remains stationary during whole operation of pedestal 50
State.First, driving motor 40 drive image acquisition device 20, prism 60 and the light source 70 that is installed on prism 60 start together into
Enter endoporus 200a, then rotating device 30 drives image acquisition device 20 to rotate a circle along positive direction in endoporus 200a, to complete
To the Image Acquisition of the side wall of the endoporus 200a of the first height and positions of endoporus 200a；Driving motor 40 drives image acquisition device 20 again
Certain distance is promoted again downwards along endoporus 200a, and then rotating device 30 drives image acquisition device 20 in endoporus 200a along negative side
To rotating a circle, the Image Acquisition of the side wall to the endoporus 200a of the second height and positions of endoporus 200a is completed；Repeat the above work
Process is multiple, until anticollision device, collision-prevention device 120 collides rack 10, then 120 feedback signal of anticollision device, collision-prevention device makes at driving motor 40
Driving motor 40 is obtained to stop that image acquisition device 20 is driven to continue to advance downwardly and image acquisition device 20 is driven to withdraw from endoporus 200a.
By image processing apparatus by first height the image collected, second height the image collected and other different heights are adopted
The image collected is stitched together in order, then obtains to a complete image of the side wall of endoporus 200a subsequently to be divided
Analysis is handled.It is worth noting that, the above-mentioned positive direction for being used for indicating 20 direction of rotation of image acquisition device can be clockwise
When, negative direction is accordingly then counterclockwise；When positive direction is counter clockwise direction, negative direction is accordingly then square clockwise
To.
In another embodiment, with above-described embodiment except that：Image acquisition device 20 does not have always in detection process
There is rotation, pedestal 50 is connect with a rotating mechanism (not shown), and in detection process, driving motor 40 drives image acquisition device
20 close to pedestal 50, and rotating mechanism drives the rotation of 50 relative image collector 20 of pedestal to realize the process of Image Acquisition.Specifically
Ground rotates a circle to the similarly first positive direction of rotation process of pedestal 50, and then driving motor 40 drives image acquisition device 20
It moves down, then pedestal 50 rotates a circle in reverse direction under the driving of rotating mechanism；Above procedure is repeated to realize to solid
Side wall due to the endoporus 200a of the product 200 of pedestal 50 carries out image acquisition process, but not limited to this.
Certainly, in other embodiments, it is also possible that image acquisition device 20 remains static shape in detection process
State drives the rotation of 50 relative image collector 20 of pedestal, (in figure not by feed mechanism by rotating mechanism (not shown)
Showing) driving pedestal 50 moves to the direction of the close image acquisition device of upper edge 20 to coordinate the process for completing Image Acquisition；It can be with
It is only to be rotated by image acquisition device 20, then pedestal 50 is only moved along the direction of close image acquisition device 20 to complete
The process of Image Acquisition；Or it is that image acquisition device 20 and pedestal 50 while rotating in opposite direction is adopted with completing image
The process of collection；But not limited to this.In other embodiments, as long as the rotating mechanism and driving mechanism of endoporus imaging measurement instrument 100
Image acquisition device 20 and pedestal 50 may make to relatively rotate, image acquisition device 20 and pedestal 50 relatively move.
It is worth noting that, the relative rotation between image acquisition device 20 and pedestal 50 is all higher than 360 degree each time, such as
It can be 365 degree, in order to ensure that image acquisition device 20 can be to the endoporus 200a of product 200 when rotating each time
Side wall carry out complete Image Acquisition, then collected multistage image is spliced by image processing apparatus.
It will be appreciated that the image acquisition device 20 of the endoporus imaging measurement instrument 100 of the present invention can be disposably to endoporus
The a certain height of the side wall of 200a carries out comprehensive Image Acquisition, and driving motor 40 is only needed to drive image acquisition device 20 slow at this time
Slowly moved along endoporus 200a, but not limited to this；Correspondingly, for the size and shape of selected prism 60
It is correspondingly arranged according to the difference to image acquisition device 20, is not repeated one by one herein.
Compared with prior art, since the endoporus imaging measurement instrument 100 of the present invention is by image acquisition device 20 and pedestal 50
It relatively rotates and image acquisition device 20 is relatively moved with pedestal 50 so that image acquisition device 20 carries out multistage to endoporus 200a
Formula ground Image Acquisition, is then spliced 20 collected multistage image of image acquisition device to restore by image processing apparatus
The complete image for going out endoporus 200a can also be realized to the measurement of endoporus 200a diameter sizes while Image Acquisition, not only be dropped
Low testing cost and entire detection process is easier, since computer carries out analyzing processing to the image collected simultaneously,
Therefore the time of detection is shorter.
Above disclosed is only the preferred embodiments of the present invention, effect be it is convenient it will be understood by those skilled in the art that
And implement according to this, of course, the scope of rights of the present invention cannot be limited by this, therefore according to made by scope of the present invention patent
Equivalent variations still fall within the range that the present invention is covered.
Claims (9)
1. a kind of endoporus imaging measurement instrument, it is characterised in that：Including rack, image acquisition device, image processing apparatus and it is used for
The pedestal of product to be detected is placed, for the floor installation in the rack, described image collector can be opposite with the pedestal
Rotation, and described image collector can also be relatively moved with the pedestal, described image collector is to endoporus progress multisection type
Image Acquisition, described image processing unit splice the multisection type image that described image collector is collected into.
2. endoporus imaging measurement instrument as described in claim 1, it is characterised in that：Described image collector is opposite with the pedestal
The angle of rotation is more than 360 degree.
3. endoporus imaging measurement instrument as described in claim 1, it is characterised in that：Further include prism, the prism is fixed on institute
The lower section of image acquisition device is stated, the camera lens of described image collector is corresponding with the prism.
4. endoporus imaging measurement instrument as claimed in claim 3, it is characterised in that：The camera lens of described image collector vertically to
Under, the part of the prism upper surface and the camera lens face is horizontal by 45 degree of angles.
5. endoporus imaging measurement instrument as claimed in claim 3, it is characterised in that：The prism by a connecting rod with realize with
Described image collector is relatively fixed connection.
6. endoporus imaging measurement instrument as claimed in claim 3, it is characterised in that：Further include light source, the light source is installed on institute
State the both sides of prism.
7. endoporus imaging measurement instrument as described in claim 1, it is characterised in that：Further include
First guide rail, first guide rail are installed in the rack and are arranged along the length direction of the rack；
Second guide rail, second guide rail are installed on by sliding block on first guide rail and along the length perpendicular to the rack
Direction arranges that described image collector is slided with the pedestal by second guide rail is opposite；
Third guide rail, the third guide rail are slidably mounted to the width direction cloth on second guide rail and along the rack
It sets, described image collector is slidably connected with the third guide rail.
8. endoporus imaging measurement instrument as claimed in claim 3, it is characterised in that：Further include anticollision device, collision-prevention device, the anticollision device, collision-prevention device
Positioned at the lower section of the prism.
9. endoporus imaging measurement instrument as described in claim 1, it is characterised in that：Further include rotating device, the rotating device
By flexible steel in flat section tubing driving described image collector rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507695.0A CN108759696A (en) | 2018-05-24 | 2018-05-24 | Endoporus imaging measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507695.0A CN108759696A (en) | 2018-05-24 | 2018-05-24 | Endoporus imaging measurement instrument |
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| CN108759696A true CN108759696A (en) | 2018-11-06 |
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ID=64005508
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|---|---|---|---|
| CN201810507695.0A Pending CN108759696A (en) | 2018-05-24 | 2018-05-24 | Endoporus imaging measurement instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161051A (en) * | 2019-03-07 | 2019-08-23 | 上海交通大学 | Switching endoscope fixture and inner hole image-pickup method suitable for arm end |
| CN110631492A (en) * | 2019-09-05 | 2019-12-31 | 江苏理工学院 | Device and method for detecting maximum diameter of arc-shaped groove of bearing outer ring |
| CN110986807A (en) * | 2019-11-07 | 2020-04-10 | 西安大目智能设备研究所有限公司 | Non-contact measuring method for multi-stage inner diameter of stepped deep through hole metal part |
| CN113834826A (en) * | 2020-06-24 | 2021-12-24 | 由田新技股份有限公司 | Hole detection system and hole detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110161051A (en) * | 2019-03-07 | 2019-08-23 | 上海交通大学 | Switching endoscope fixture and inner hole image-pickup method suitable for arm end |
| CN110161051B (en) * | 2019-03-07 | 2020-09-04 | 上海交通大学 | Rotary endoscope clamp suitable for tail end of manipulator and inner hole image acquisition method |
| CN110631492A (en) * | 2019-09-05 | 2019-12-31 | 江苏理工学院 | Device and method for detecting maximum diameter of arc-shaped groove of bearing outer ring |
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| CN113834826A (en) * | 2020-06-24 | 2021-12-24 | 由田新技股份有限公司 | Hole detection system and hole detection method |
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