CN209085558U - Detection device - Google Patents
Detection device Download PDFInfo
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- CN209085558U CN209085558U CN201822276979.1U CN201822276979U CN209085558U CN 209085558 U CN209085558 U CN 209085558U CN 201822276979 U CN201822276979 U CN 201822276979U CN 209085558 U CN209085558 U CN 209085558U
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Abstract
This application discloses a kind of detection devices, including image component, detection part and the backlight for obtaining determinand edge contour；The backlight and the image component are respectively arranged at the determinand two sides.Detection device provided herein, by the way that backlight is arranged, when due to back lighting, diffraction and scattering process of the determinand edge to light, the contrast at determinand edge can be made to increase, to the clarity of determinand edge contour image, increase the precision of image procossing, and then improves the detection accuracy of determinand.
Description
Technical field
This application involves precision component detection fields, more particularly to a kind of detection device.
Background technique
With the development of modern industry, Precision Machining is used more and more fields, meanwhile, people are to machining accuracy
More stringent requirements are proposed.In order to meet machining accuracy demand, the qualification rate of processed sample is improved, people often need to processed
Journey and processing finished product carry out pattern distortion test, it is ensured that it distorts within the scope of tolerable.
Detection method in the prior art can be divided into two-dimensional detection and three dimensional detection two major classes, and wherein two-dimensional detection passes through
The methods of imaging obtains distribution of the article profile under two-dimensional coordinate system, obtains distortion information by comparison, is the most frequently used at present
Detection method；Due to needing to know that height of specimen distorts in many detection demands, and two-dimensional detection cannot achieve, and people carry out
Three dimensional detection exploitation, common 3 D detection method include contact spot scan (such as three-coordinates measuring machine) and laser triangulation
The measuring methods such as method, interferometry, confocal, three-dimensional measurement can reach preferable resolution ratio in height distribution.Logical
It crosses before 3-D measuring apparatus detection determinand three-dimensional appearance, generally requires to first pass through the wheel that image documentation equipment obtains determinand edge
Exterior feature figure, to be positioned to determinand.
However, due to existing 3-D measuring apparatus obtain determinand edge contour figure precision the bottom of compared with, lead to three-dimensional
The precision of image procossing is lower, and detection accuracy is poor, it is difficult to meet detection accuracy requirement of the Vehicles Collected from Market for Precision Machining part.
Therefore, the detection accuracy for how improving detection device is that the technology that those skilled in the art need to solve at present is asked
Topic.
Utility model content
The purpose of the application is to provide a kind of detection device, which can effectively improve determinand edge contour
The clarity of figure improves the detection accuracy of itself.
To achieve the above object, the application provides the following technical solutions:
A kind of detection device, including the image component for obtaining determinand edge contour and for being the determinand side
Edge provides light and can be by the received backlight of image component；The backlight and the image component are respectively arranged at institute
State determinand two sides.
It preferably, further include the sports platform that the determinand can be made mobile relative to the image component.
It preferably, further include sucker articles holding table for placing the determinand, the articles holding table is mounted on the movement
The top of platform.
Preferably, the backlight is plate-like, and during the middle part of the backlight is equipped with and is put into for the articles holding table
Empty part.
Preferably, the edge of the determinand is located at the backlight in the projection of vertical direction in the projection of vertical direction
It is internal.
It preferably, further include pedestal, the sports platform is mounted on the pedestal, and the sports platform and the pedestal
Between be slidably connected；The sports platform includes the translation stage that the determinand can be driven to translate along X-axis and Y-axis and can drive institute
State the turntable that determinand is rotated along X-axis and Z axis；The translation stage includes X to translation stage and Y-direction translation stage, and the X is to translation
It is slidably connected between platform and the pedestal by sliding rail and sliding slot, the Y-direction translation stage and the X are to passing through cunning between translation stage
Rail and sliding slot are slidably connected, and the turntable is mounted on the top of the Y-direction translation stage.
It preferably, further include the support base that the turntable can be driven to rotate around X-axis, the support base is equipped with can be around X
The X-axis turntable of axis rotation, the side of the turntable are mounted on the X-axis turntable of the support base, the top of the turntable
Equipped with the Z axis turntable that the determinand can be driven to rotate about the z axis.
Preferably, further include coaxial light source for illuminating to the determinand, the image component includes object lens and spy
Device is surveyed, the object lens are configured as converging to the axis light that the coaxial light source generates into the determinand surface, and collect same
The signal light that axis light is reflected back through the determinand.
Preferably, further include detection part for being detected to the determinand.
Preferably, the detection part is dispersion confocal detection component, interference detection part, color camera or reflectance spectrum
Detection part.
Detection device provided herein, including image component, the detection part for obtaining determinand edge contour
And backlight；The backlight and the image component are respectively arranged at the determinand two sides.The detection device passes through setting
Backlight, when due to back lighting, diffraction and scattering process of the determinand edge to light can make the contrast at determinand edge
Increase, so that the clarity of determinand edge contour image, increases the precision of image procossing, and then improves the detection essence of determinand
Degree.
In a preferred embodiment, further include coaxial light source for illuminating to the determinand.Above-mentioned setting is led to
The setting for crossing coaxial light source, when determinand is undersized or excessive, being easy to cause the edge of determinand to be in backlight can not
The region of covering can drive determinand mobile so that back lighting cannot be carried out to determinand edge by sports platform, thus
Illuminate coaxial light source to determinand edge, to obtain the higher contour images of clarity.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of detection device provided herein；
Fig. 2 is the structural schematic diagram of detection device another kind specific embodiment provided herein；
Fig. 3 is that the position of product and backlight in a specific embodiment is tied in detection device provided herein
Structure schematic diagram；
Fig. 4 is product and the position of backlight in another embodiment specific implementation mode in detection device provided herein
Structural schematic diagram；
Wherein: backlight 100, articles holding table 110, sports platform 120, translation stage 121, turntable 122, image component 130, same
Axis light source 140, detection part 150, pedestal 160, mobile phone shell 200.
Specific embodiment
The core of the application is to provide a kind of detection device, which can significantly improve pair at determinand edge
Than degree, the detection accuracy to determinand is improved.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Please refer to figs. 1 to 4, and Fig. 1 is a kind of structural representation of specific embodiment of detection device provided herein
Figure；Fig. 2 is the structural schematic diagram of detection device another kind specific embodiment provided herein；Fig. 3 is mentioned by the application
Product and the positional structure schematic diagram of backlight in a specific embodiment in the detection device of confession；Fig. 4 is the application institute
Product and the positional structure schematic diagram of backlight in another embodiment specific implementation mode in the detection device of offer.
In this embodiment, detection device includes image component 130 and backlight 100, backlight 100 and image part
Part 130 is respectively arranged at determinand two sides.
What needs to be explained here is that in detecting state, that is, when obtaining picture state, backlight 100 and image component
130 are respectively arranged at determinand in the two sides of vertical direction, in non-detection status, the position of backlight 100 and image component 130
Setting can occur to deviate accordingly.
Specifically, image component 130 for obtaining determinand edge contour, provides backlight for the edge for determinand and shines
It is bright, the clarity of determinand profile is improved, backlight 100 is mounted on sports platform 120, can band when sports platform 120 is mobile
Dynamic backlight 100 and determinand move jointly.
It further, further include the sports platform (120) that determinand can be made mobile relative to image component 130.Sports platform 120 can
It is mobile to drive determinand, or image component 130 can also be driven mobile, in the present embodiment for driving determinand mobile.
Preferably, industrial camera can be directly used in image component 130, and image component 130 includes object lens and detector, adopts
It is convenient to be drawn materials with industrial camera, at low cost.
The detection device, by the way that backlight 100, when due to back lighting, determinand edge pair are arranged on sports platform 120
The diffraction of light and scattering process can be such that the contrast at determinand edge increases, so that determinand edge contour image is clear
Degree increases the precision of image procossing, and then improves the detection accuracy of determinand.
Further, which further includes the articles holding table 110 for placing determinand, and articles holding table 110 is specifically as follows
Sucker articles holding table 110, the adsorbable determinand of sucker guarantee the stabilization of object location to be measured, and articles holding table 110 is mounted on sports platform 120
Top, determinand is placed on the top of articles holding table 110, and is suspended at the top of backlight 100, sports platform 120 can drive to
The lower section that object is moved to image component 130 is surveyed, image component 130 can along the vertical direction, i.e., Z-direction is mobile, guarantees image part
The available contour images to determinand of part 130.
On the basis of the respective embodiments described above, backlight 100 is plate-like, preferably square plate, and backlight 100
Middle part be equipped with the hollow space that is put into for articles holding table 110, specifically, backlight 100 is preferably in a ring, articles holding table 110 runs through
It is fixedly connected after backlight 100 with sports platform 120.
It further include pedestal 160 on the basis of the respective embodiments described above, sports platform 120 is mounted on pedestal 160, and
It is slidably connected between sports platform 120 and pedestal 160, pedestal 160 is played a supporting role, it is ensured that the stability of whole equipment.
On the basis of the respective embodiments described above, sports platform 120 includes that determinand can be driven to put down along what X-axis and Y-axis translated
Moving stage 121 and the turntable 122 that determinand can be driven to rotate along X-axis and Z axis, articles holding table 110 are fixedly mounted on turntable 122
On.Specifically, sports platform 120 includes turntable 122 and translation stage 121121, turntable 122 is for driving articles holding table 110 along X
Axis and Z axis rotation；Translation stage 121 is for driving articles holding table 110 to translate in X direction with Y-direction.
On the basis of the respective embodiments described above, translation stage 121 includes X to translation stage and Y-direction translation stage, and X is to translation stage
Be slidably connected between pedestal 160 by sliding rail and sliding slot, X between translation stage and pedestal 160 sliding rail and sliding slot should be along X
Axis direction extends, and Y-direction translation stage and X be slidably connected between translation stage by sliding rail and sliding slot, and Y-direction translation stage and X are to translation
Sliding rail and sliding slot between platform should extend along the y axis, and turntable 122 is mounted on the top of Y-direction translation stage, i.e. turntable
122 are mounted on Y-direction translation stage close to the top of image component 130.
It further include the support base that turntable 122 can be driven to rotate around X-axis on the basis of the respective embodiments described above, support
Seat is equipped with and can be mounted on the X-axis turntable of support base around the X-axis turntable that X-axis rotates, the side of turntable 122, turntable 122
Top be equipped with determinand can be driven to rotate about the z axis Z axis turntable.The setting of above-mentioned support base and X-axis turntable, may be implemented
For turntable 122 around the rotation of X axis, the rotation of articles holding table 110 about the z axis is may be implemented in the set of Z axis turntable, so realize to
Object is surveyed around the rotation of X-axis and Z axis.
On the basis of the respective embodiments described above, which further includes the test section for being detected to determinand
Part 150.Specifically, detection part 150 can be used for obtaining the three-dimensional appearance of determinand.
On the basis of the respective embodiments described above, detection part 150 can be height detection component, and detection part 150 is excellent
It is selected as dispersion confocal detection component, interference detection part, color camera or reflectance spectrum detection part.Specifically, detection part
150 can choose dispersion confocal detection component 150 or interference detection part 150, and detection accuracy is high, and it is convenient to choose, certainly,
Specific type selection can according to actual needs subject to.
On the basis of the respective embodiments described above, the edge of determinand is located at backlight 100 in the projection of vertical direction and exists
Inside the projection of vertical direction, i.e., backlight 100 can provide illumination for whole edges of determinand.
It further include the coaxial light source 140 for being illuminated to determinand, axis light on the basis of the respective embodiments described above
Source 140 is mounted on image component 130.
Above-mentioned setting is easy to cause to be measured by the setting of coaxial light source 140 when determinand is undersized or excessive
The edge of object is in the region that backlight 100 can not cover, so that back lighting cannot be carried out to determinand edge, can pass through
Sports platform 120 drives determinand mobile, to make coaxial light source 140 illuminate determinand edge, to obtain clarity
Higher contour images.
Specifically, determinand, by taking mobile phone shell 200 as an example, which is used to detect the three-dimensional appearance of mobile phone shell 200,
The relative position of mobile phone shell 200 and backlight 100 is such as shooting 200 edge contour of mobile phone shell, when detection for image component 130
Shown in Fig. 3；The detection device can also have coaxial light source 140, when determinand is undersized or excessive, as shown in figure 4,
Determinand can be driven mobile by sports platform 120, to make coaxial light source 140 illuminate determinand edge, to obtain
Contouring image.
The there is provided detection device of the present embodiment, can be used for the three dimensional detection of close part, by backlight 100 and together
Axis light source 140 is used cooperatively, and determinand edge is easy to lead to backlight beam generation scattering or diffraction pair at determinand edge
It is more larger than degree, so that the precision of edge contour can be increased using backlight 100, improve the detection accuracy of the equipment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Detection device provided herein is described in detail above.Specific case used herein is to this Shen
Principle and embodiment please is expounded, the present processes that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the application principle
Under, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection of the claim of this application
In range.
Claims (10)
1. a kind of detection device, which is characterized in that including the image component (130) for obtaining determinand edge contour and be used for
Light is provided for the determinand edge and can be by the received backlight of the image component (130) (100)；The backlight with
The image component (130) is respectively arranged at the determinand two sides.
2. detection device according to claim 1, which is characterized in that further include that the determinand can be made relative to the shadow
As component (130) mobile sports platform (120).
3. detection device according to claim 2, which is characterized in that further include being set for placing the sucker of the determinand
Object platform (110), the articles holding table (110) are mounted on the top of the sports platform (120).
4. detection device according to claim 3, which is characterized in that the light-emitting surface of the backlight (100) is annular, and
And the middle part of the backlight (100) is equipped with the hollow space being put into for the articles holding table (110).
5. detection device according to claim 1, which is characterized in that projection of the edge of the determinand in vertical direction
Positioned at the backlight (100) inside the projection of vertical direction.
6. detection device according to claim 2, which is characterized in that it further include pedestal (160), the sports platform (120)
It is mounted on the pedestal (160), and is slidably connected between the sports platform (120) and the pedestal (160)；The movement
Platform (120) includes the translation stage (121) that the determinand can be driven to translate along X-axis and Y-axis and the determinand can be driven along X-axis
With the turntable (122) of Z axis rotation；The translation stage (121) includes X to translation stage and Y-direction translation stage, and the X is to translation stage
It is slidably connected between the pedestal (160) by sliding rail and sliding slot, the Y-direction translation stage and the X lead to between translation stage
It crosses sliding rail and sliding slot is slidably connected, the turntable (122) is mounted on the top of the Y-direction translation stage.
7. detection device according to claim 6, which is characterized in that further include that the turntable (122) can be driven around X-axis
The support base of rotation, the support base are equipped with and can be mounted on around the X-axis turntable that X-axis rotates, the side of the turntable (122)
On the X-axis turntable of the support base, the top of the turntable (122) is equipped with the Z axis that the determinand can be driven to rotate about the z axis
Turntable.
8. detection device according to claim 1, which is characterized in that further include coaxial for being illuminated to the determinand
Light source (140), the image component (130) include object lens and detector, and the object lens are configured as producing the coaxial light source
Raw axis light converges to the determinand surface, and collects the signal light that axis light is reflected back through the determinand.
9. according to claim 1 to detection device described in 8 any one, which is characterized in that further include for described to be measured
The detection part (150) that object is detected.
10. detection device according to claim 9, which is characterized in that the detection part (150) is the burnt inspection of dispersion copolymerization
Survey component, interference detection part, color camera or reflectance spectrum detection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276979.1U CN209085558U (en) | 2018-12-29 | 2018-12-29 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276979.1U CN209085558U (en) | 2018-12-29 | 2018-12-29 | Detection device |
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| CN209085558U true CN209085558U (en) | 2019-07-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608686A (en) * | 2019-10-31 | 2019-12-24 | 大连理工大学 | Visual measurement method and device for part with chamfer |
| CN112344879A (en) * | 2020-09-29 | 2021-02-09 | 联想(北京)有限公司 | Method, device and equipment for detecting glue road |
| CN112683323A (en) * | 2020-12-27 | 2021-04-20 | 深圳市裕展精密科技有限公司 | Detection device, control system and control method |
-
2018
- 2018-12-29 CN CN201822276979.1U patent/CN209085558U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608686A (en) * | 2019-10-31 | 2019-12-24 | 大连理工大学 | Visual measurement method and device for part with chamfer |
| CN110608686B (en) * | 2019-10-31 | 2021-03-26 | 大连理工大学 | Visual measurement method and device for part with chamfer |
| CN112344879A (en) * | 2020-09-29 | 2021-02-09 | 联想(北京)有限公司 | Method, device and equipment for detecting glue road |
| CN112344879B (en) * | 2020-09-29 | 2022-03-25 | 联想(北京)有限公司 | Method, device and equipment for detecting glue road |
| CN112683323A (en) * | 2020-12-27 | 2021-04-20 | 深圳市裕展精密科技有限公司 | Detection device, control system and control method |
| CN112683323B (en) * | 2020-12-27 | 2024-01-12 | 富联裕展科技(深圳)有限公司 | Detection device, control system and control method |
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Address after: 518110 101, 201, 301, No.2, Shanghenglang fourth industrial zone, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhongke feice Technology Co.,Ltd. Address before: 518110 101, 201, 301, No.2, Shanghenglang fourth industrial zone, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhongke Flying Test Technology Co.,Ltd. |