CN206095968U - LCD screen bubble defect detecting device based on machine vision - Google Patents
LCD screen bubble defect detecting device based on machine vision Download PDFInfo
- Publication number
- CN206095968U CN206095968U CN201621101733.5U CN201621101733U CN206095968U CN 206095968 U CN206095968 U CN 206095968U CN 201621101733 U CN201621101733 U CN 201621101733U CN 206095968 U CN206095968 U CN 206095968U
- Authority
- CN
- China
- Prior art keywords
- axis
- transmission mechanism
- limiting structure
- position limiting
- screw mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a LCD screen bubble defect detecting device based on machine vision, include: work platform sets up perpendicularly in work platform's support frame, and X axle transmission device, Y axle transmission device, the Z axle transmission device of mutually perpendicular setting to and image gathering module and data processing module, data processing module control X axle transmission device and Y axle transmission device move and then control the microscope carrier and place LCD screen removal on this microscope carrier to reach best detection position, play the automatic positioning effect, image gathering module gathers the image and transmits to data processing module, and data processing module carries out automated inspection to LCD screen bubble defect to improve automated inspection's efficiency and precision.
Description
Technical field
The utility model is related to a kind of liquid crystal display air blister defect detection means based on machine vision.
Background technology
For at present this field being detected to liquid crystal display, many enterprises are using artificial inspection also traditional approach is continued to use
Survey, that is, identification is gone with human eye, detection efficiency is low, is affected by human factors than larger.Because liquid crystal screen surfaces can be anti-
Light etc. reason, can be limited, particularly to liquid crystal display less defect when detection by position and light（It is less
Bubble）Detection difficulty it is bigger, manual detection accuracy is relatively low.For the smaller bubble defect of some liquid crystal displays, visually cannot
Identify, at present solution to the problems described above is all being sought by many enterprises, realizes the automatic detection of liquid crystal display air blister defect
Function, improves detection speed and accuracy rate.But hardware aspect also prematurity, in addition it is also necessary to which human assistance is positioned, and is often unable to reach
Good fully-automated synthesis.
Utility model content
For this purpose, the utility model devises a set of liquid crystal display air blister defect detection means based on machine vision, it is right to improve
The precision and efficiency of air blister defect detection.
To reach above-mentioned purpose, a kind of liquid crystal display air blister defect detection dress based on machine vision that the utility model is provided
Put, including：Workbench, is vertically installed in the bracing frame of workbench, and X-axis transmission mechanism, the Y-axis biography being arranged in a mutually vertical manner
Transfer mechanism, Z axis transmission mechanism, and image capture module, infrared light supply and data processing module；The Y-axis transmission mechanism sets
Put on workbench, the X-axis transmission mechanism is arranged on Y-axis transmission mechanism and drives it to move by Y-axis transmission mechanism, institute
State X-axis transmission mechanism to be provided with microscope carrier and drive it to move, the Z axis transmission mechanism is arranged on bracing frame, and described image is adopted
Collection module, infrared light supply are arranged on Z axis transmission mechanism and drive it to move by Z axis transmission mechanism, described image acquisition module
Output end connect the input of data processing module, the control end of the data processing module connects respectively infrared light supply, X-axis
On the drive end of transmission mechanism, Y-axis transmission mechanism and Z axis transmission mechanism, the X-axis transmission mechanism and Y-axis transmission mechanism successively
The first X-axis position limiting structure and the first Y-axis position limiting structure are provided with, when microscope carrier is moved on the first X-axis position limiting structure and X-axis transmission mechanism
When moving on the first Y-axis position limiting structure, the exit facet of collection terminal and infrared light supply of the microscope carrier just to image capture module.
A kind of preferred version of the present utility model, the X-axis transmission mechanism is specifically included：X-axis chute, be arranged on X-axis cunning
The X-axis motor that X-axis screw mandrel and drive X-axis screw mandrel in groove is rotated, the microscope carrier is arranged on X-axis chute and connects X-axis silk
Bar, the X-axis motor drives X-axis screw mandrel to rotate and then drives microscope carrier along X-axis slide, and the first X-axis position limiting structure sets
Put on the inside of chute.
Another kind of preferred version of the present utility model, is additionally provided with for limiting initial position on the X-axis transmission mechanism
Second X-axis position limiting structure.
Another kind of preferred version of the present utility model, the Y-axis transmission mechanism is specifically included：Y-axis chute, it is arranged on Y-axis
The y-axis motor that Y-axis screw mandrel and drive Y-axis screw mandrel in chute is rotated, the X-axis transmission mechanism is arranged on Y-axis chute and connects
Connect Y-axis screw mandrel, the y-axis motor drives Y-axis screw mandrel to rotate and then drives X-axis transmission mechanism along Y-axis slide, described first
Y-axis position limiting structure is arranged on chute inner side.
Another kind of preferred version of the present utility model, is additionally provided with for limiting initial position on the Y-axis transmission mechanism
Second Y-axis position limiting structure.
Another kind of preferred version of the present utility model, the Z axis transmission mechanism is specifically included：Z axis chute, it is arranged on Z axis
The Z axis motor that Z axis screw mandrel and drive Z axis screw mandrel in chute is rotated, arranges a peace for connecting Z axis screw mandrel on the Z axis chute
Dress plate, the Z axis motor drives Z axis screw mandrel to rotate and then drives installing plate along Z axis slide, and described image acquisition module sets
Put on the installing plate.
Another kind of preferred version of the present utility model, described image acquisition module includes：Positioning camera and detection camera, institute
State positioning camera and detect that the output end of camera is all connected with the input of data processing module.
Another kind of preferred version of the present utility model, the Z axis transmission mechanism is sequentially provided with the first Z axis along its transmission direction
Position limiting structure, the second Z axis position limiting structure and the 3rd Z axis position limiting structure, the first Z axis position limiting structure is used to limit initial bit
Put, it is right respectively when the Z axis transmission mechanism is restricted to successively the position of the second Z axis position limiting structure and the 3rd Z axis position limiting structure
Answer the first of positioning camera the second collection position for gathering position and detection camera.
Another kind of preferred version of the present utility model, the microscope carrier surface is provided with an inductive probe, the inductive probe it is defeated
Go out the input of end connection data processing module.
Another kind of preferred version of the present utility model, the microscope carrier surface is provided with light source module, the data processing module
Control end connect light source module drive end.
The technical scheme provided by the utility model, is had the advantages that：
Data processing module controls X-axis transmission mechanism and the motion of Y-axis transmission mechanism and then controls microscope carrier and be placed on the load
Liquid crystal display movement, to reach optimum detection position, plays the effect of being automatically positioned on platform；Image capture module gathers image and transmits
To data processing module, data processing module carries out automatic detection to liquid crystal display air blister defect, so as to improve the effect of automatic detection
Rate and precision.
Description of the drawings
Fig. 1 show in embodiment the front view of the detection means for cutting X-axis chute open；
Fig. 2 show in embodiment the side view of the detection means for cutting Y-axis chute and Z axis chute open；
Fig. 3 show the top view of detection means in embodiment.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model is disclosed
A part for appearance, it is mainly to illustrate embodiment, and the running that the associated description of specification can be coordinated to explain embodiment is former
Reason.Coordinate and refer to these contents, those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantage of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
Referring to figs. 1 to shown in Fig. 3, a kind of liquid crystal display air blister defect based on machine vision that the utility model is provided is detected
Device, including：Workbench 10, is vertically installed in the bracing frame 101 of workbench 10, and the X-axis transmission being arranged in a mutually vertical manner
Mechanism, Y-axis transmission mechanism, Z axis transmission mechanism, and image capture module, infrared light supply 603 and data processing module 70；Institute
State Y-axis transmission mechanism to be arranged on workbench 10, the Y-axis transmission mechanism is specifically included：Y-axis chute 303, it is arranged on Y-axis
The y-axis motor 301 that Y-axis screw mandrel 302 and drive Y-axis screw mandrel 302 in chute 303 is rotated, the X-axis transmission mechanism is arranged on Y
On axle chute 303 and connect Y-axis screw mandrel 302, the inner side of the Y-axis chute 303 is provided with the first Y-axis position limiting structure 305 and the second Y-axis
Position limiting structure 304, and the position of the second Y-axis position limiting structure 304 is used as origin position.
The X-axis transmission mechanism is specifically included：X-axis chute 203, the X-axis screw mandrel 202 being arranged in X-axis chute 203 and
The X-axis motor 201 for driving X-axis screw mandrel 202 to rotate, the microscope carrier 50 is arranged on X-axis chute 203 and connects X-axis screw mandrel 202,
The Y-axis transmission mechanism drives X-axis transmission mechanism to move along Y-axis chute 303, and in X-axis transmission mechanism, X-axis motor 201 drives X
Axial filament bar 202 is rotated, and the rotational band dynamic load platform 50 of X-axis screw mandrel 202 is moved along X-axis chute 203.The inner side of the X-axis chute 203 is provided with
First X-axis position limiting structure 204 and the second X-axis position limiting structure（It is not shown）, and the second X-axis position limiting structure position is used as origin position
Put.
The microscope carrier is provided with an inductive probe（It is that reflective infrared induction is popped one's head in the present embodiment, not shown in figure）,
The output end of the inductive probe connects the input of data processing module 70.The surface of microscope carrier 50 is additionally provided with light source module（This reality
Apply in example as the LED/light source of visible ray, not shown in figure）, the control end connection light source module of the data processing module 70
Drive end.
Z axis transmission mechanism is arranged on bracing frame 101, and Z axis transmission mechanism is specifically included：Z axis chute 403, it is arranged on Z axis
The Z axis motor 401 that Z axis screw mandrel 402 and drive Z axis screw mandrel 402 in chute 403 is rotated, on the Z axis chute 403 one is arranged
The installing plate 407 of connection Z axis screw mandrel 402, the Z axis motor 401 drives Z axis screw mandrel 402 to rotate and then drives the edge of installing plate 407
Z axis chute 403 is moved.The inner side of the Z axis chute 403 be provided with the first Z axis position limiting structure 404, the second Z axis position limiting structure 405 and
3rd Z axis position limiting structure 406, and the position of the first Z axis position limiting structure 405 is used as origin position.
Described image acquisition module includes：Positioning camera 601 and detection camera 602, positioning camera 601 and detection camera
602 are arranged on installing plate 407, and the output end of positioning camera 601 and detection camera 602 connects the defeated of data processing module 70
Enter end, the control end of the data processing module 70 connects respectively X-axis transmission mechanism, Y-axis transmission mechanism and Z axis transmission mechanism
Drive end（That is X-axis motor 201, y-axis motor 301 and Z axis motor 401）, when microscope carrier 50 is moved on the first X-axis position limiting structure 204
And X-axis transmission mechanism, when moving on the first Y-axis position limiting structure 305, microscope carrier 50 is just to the collection terminal of image capture module.The Z
When axle transmission mechanism is restricted to successively the position of the second Z axis position limiting structure 405 and the 3rd Z axis position limiting structure 406, correspond to respectively
First collection position of positioning camera 601 and the second collection position of detection camera 602.Infrared light supply 603 is arranged on detection phase
The underface of machine 602, its exiting surface is arranged down.The control end of data processing module connects the drive end of the infrared light supply 603.
Its course of work is as follows：
Step one：After energization, data processing module 70 controls respectively X-axis transmission mechanism, Y-axis transmission mechanism, Z axis conveyer
Structure resets：X-axis transmission mechanism drives microscope carrier 50 to move and block and sets to the second X-axis position limiting structure, and Y-axis transmission mechanism drives X-axis
Transmission mechanism is moved and blocked and sets to the second Y-axis position limiting structure 304, Z axis transmission mechanism drive installing plate 407 move and block set to
On first Z axis position limiting structure 404.When liquid crystal display is placed on microscope carrier 50, inductive probe transmits induction information to data
Reason module 70, data processing module 70 controls respectively again X-axis transmission mechanism, Y-axis transmission mechanism, the operation of Z axis transmission mechanism：X-axis
Transmission mechanism drives microscope carrier 50 to move and block and sets to the first X-axis position limiting structure 204, and Y-axis transmission mechanism drives X-axis transmission mechanism
Move and block and set to the first Y-axis position limiting structure 305, Z axis transmission mechanism drives installing plate 407 to move and block and sets to the second Z axis
On position limiting structure 405, i.e., the first of positioning camera 601 gathers position.Now, the liquid crystal display on microscope carrier 50 is just to positioning camera
601 and detection camera 602 IMAQ end.
Step 2：Positioning camera 601 is mainly made up of the camera module with USB interface of 300,000 pixels, main
It is used to position any liquid crystal display placed, when step steady is ready, on the control microscope carrier 50 of data processing module 70
Light source module light, light is outwards projected through liquid crystal display, and the whole liquid crystal display of positioning camera 601 pairs is taken pictures, and will scheme
As information transfer to data processing module 70, four Corner Detections of the data processing module 70 to liquid crystal display, four angle points are found
Coordinate, the size of liquid crystal display is calculated according to four angular coordinates, according to size, by C++ programmed algorithm handles
Monoblock liquid crystal display is divided into n parts（Various sizes of liquid crystal display n values are different）, and label i (i=1,2,3,4,5......),
The coordinate of the central point of i/n is calculated respectively, further according to the route that the centre coordinate optimization of 1/n fritters is optimal, by path
Programming movement calculates each several part needs shift value.
Step 3：Detection camera 602 is mainly made up of the industrial camera with 5,000,000 pixels and industrial lens, step
Two it is ready when, data processing module 70 drives Z axis motor 401 to drive installing plate 407 to move to the 3rd Z axis position limiting structure
Stop at 406, reach the second collection position of detection camera 602, data processing module 70 drives infrared light supply 603 to send infrared
Light, infrared light can increase the filtration of the interference of visible ray to external world.Detection camera 602 gather liquid crystal display image, and export to
Data processing module 70.Central region point and detection of the data processing module 70 first the acquired image of positioning camera 601
The central region point of the acquired image of camera 602 is overlapped, then control again X-axis transmission mechanism or Y-axis transmission mechanism by
One mobile liquid crystal screen, the centre coordinate for making screen i/n parts is overlapped with detection image center point, by detecting that camera is obtained
Image, then the image for obtaining is processed by the algorithm of the image procossing independently write, bubble is detected, by bubble
Contours extract, to bubble profile length, the calculating of area, position the position of bubble and calculate Air Bubble Size, if any bubble, sentence
Disconnected unqualified, such as bubble-free, this enters acquisition of next parts of images.Until all inspection is finished.
In the present embodiment, the Processing Algorithm of the data processing module 70 involved by step one to step 3 is based on existing
There is the software section in technology, data processing module 70 is also process chip common in the art, and such as single-chip microcomputer is single
Or the integrated circuit of multiple process chip compositions, it is that those skilled in the art can easily realize according to as described above,
Here is no longer developed in details in.
In the present embodiment, detection camera 602 in collection image process, the problems such as can produce reflective, dazzle because of visible ray
Cause IMAQ unintelligible, so increasing by an infrared light supply 603, detect that camera 602 is gathered by the red of liquid crystal display reflection simultaneously
Outer light, can eliminate the problems referred to above, increase antijamming capability.
In the present embodiment, the first X-axis position limiting structure 204, the first Y-axis position limiting structure 305, the second Z axis position limiting structure
405 and the 3rd Z axis position limiting structure 406 be electromagnetism position limiting structure, the electromagnetism position limiting structure be prior art in maturation
Technical pattern, what formula those skilled in the art can realize easily, will not be described in detail herein.
In the present embodiment, the second X-axis position limiting structure, the second Y-axis position limiting structure 304 and the first Z axis position limiting structure 404
For standoff features of the prior art, in other embodiments, or the electromagnetism position limiting structure in above-mentioned.
In the present embodiment, X-axis transmission mechanism, Y-axis transmission mechanism and Z axis transmission mechanism drive screw mandrel further using motor
The device movement that drive is disposed thereon, in other embodiments, it would however also be possible to employ motor drives the mode of conveyer belt to carry out.
The technical scheme provided by the utility model, data processing module control X-axis transmission mechanism and Y-axis transmission mechanism
Motion further controls microscope carrier and is placed on liquid crystal display movement on the microscope carrier, to reach optimum detection position, plays and is automatically positioned work
With；Image capture module gathers image and transmits to data processing module, and data processing module is carried out to liquid crystal display air blister defect
Automatic detection, so as to improve the efficiency and precision of automatic detection；Light filling collection is carried out using infrared light supply, jamproof mesh is played
's.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details
On the utility model can be made a variety of changes, be protection domain of the present utility model.
Claims (10)
1. a kind of liquid crystal display air blister defect detection means based on machine vision, it is characterised in that include：Workbench, vertically
The bracing frame of workbench, and X-axis transmission mechanism, Y-axis transmission mechanism, the Z axis transmission mechanism being arranged in a mutually vertical manner are arranged at, with
And image capture module, infrared light supply and data processing module；The Y-axis transmission mechanism is arranged on workbench, the X-axis
Transmission mechanism is arranged on Y-axis transmission mechanism and drives it to move by Y-axis transmission mechanism, and the X-axis transmission mechanism is provided with load
Platform simultaneously drives it to move, and the Z axis transmission mechanism is arranged on bracing frame, and described image acquisition module, infrared light supply are arranged on Z
It is driven to move on axle transmission mechanism and by Z axis transmission mechanism, the output end connection data processing mould of described image acquisition module
The input of block, the control end of the data processing module connect respectively infrared light supply, X-axis transmission mechanism, Y-axis transmission mechanism and
The first X-axis position limiting structure and the are sequentially provided with the drive end of Z axis transmission mechanism, the X-axis transmission mechanism and Y-axis transmission mechanism
One Y-axis position limiting structure, when microscope carrier is moved on the first X-axis position limiting structure and X-axis transmission mechanism is moved on the first Y-axis position limiting structure
When, the exit facet of collection terminal and infrared light supply of the microscope carrier just to image capture module.
2. the liquid crystal display air blister defect detection means based on machine vision according to claim 1, it is characterised in that：It is described
X-axis transmission mechanism is specifically included：The X-axis electricity that X-axis chute, the X-axis screw mandrel being arranged in X-axis chute and drive X-axis screw mandrel are rotated
Machine, the microscope carrier is arranged on X-axis chute and connects X-axis screw mandrel, and the X-axis motor drives X-axis screw mandrel to rotate and then band dynamic load
Along X-axis slide, the first X-axis position limiting structure is arranged on chute inner side to platform.
3. the liquid crystal display air blister defect detection means based on machine vision according to claim 1 and 2, it is characterised in that：
The second X-axis position limiting structure for limiting initial position is additionally provided with the X-axis transmission mechanism.
4. the liquid crystal display air blister defect detection means based on machine vision according to claim 1, it is characterised in that：It is described
Y-axis transmission mechanism is specifically included：The Y-axis electricity that Y-axis chute, the Y-axis screw mandrel being arranged in Y-axis chute and drive Y-axis screw mandrel are rotated
Machine, the X-axis transmission mechanism is arranged on Y-axis chute and connects Y-axis screw mandrel, and the y-axis motor drives Y-axis screw mandrel to rotate further
X-axis transmission mechanism is driven along Y-axis slide, the first Y-axis position limiting structure is arranged on chute inner side.
5. the liquid crystal display air blister defect detection means based on machine vision according to claim 1 or 4, it is characterised in that：
The second Y-axis position limiting structure for limiting initial position is additionally provided with the Y-axis transmission mechanism.
6. the liquid crystal display air blister defect detection means based on machine vision according to claim 1, it is characterised in that：It is described
Z axis transmission mechanism is specifically included：The Z axis electricity that Z axis chute, the Z axis screw mandrel being arranged in Z axis chute and drive Z axis screw mandrel are rotated
Machine, arranges an installing plate for connecting Z axis screw mandrel on the Z axis chute, the Z axis motor drives Z axis screw mandrel to rotate and then drive
Installing plate is arranged on the installing plate along Z axis slide, described image acquisition module.
7. the liquid crystal display air blister defect detection means based on machine vision according to claim 1, it is characterised in that：It is described
Image capture module includes：The output end of positioning camera and detection camera, the positioning camera and detection camera is all connected with data
The input of processing module.
8. the liquid crystal display air blister defect detection means based on machine vision according to claim 7, it is characterised in that：It is described
Z axis transmission mechanism is sequentially provided with the first Z axis position limiting structure, the second Z axis position limiting structure and the spacing knot of the 3rd Z axis along its transmission direction
Structure, the first Z axis position limiting structure is used to limit initial position, and it is spacing that the Z axis transmission mechanism is restricted to successively the second Z axis
During the position of structure and the 3rd Z axis position limiting structure, the first collection position of positioning camera and the second of detection camera is corresponded to respectively
Collection position.
9. the liquid crystal display air blister defect detection means based on machine vision according to claim 1, it is characterised in that：It is described
Microscope carrier surface is provided with an inductive probe, and the output end of the inductive probe connects the input of data processing module.
10. the liquid crystal display air blister defect detection means based on machine vision according to claim 1, it is characterised in that：Institute
State microscope carrier surface and be provided with light source module, the control end of the data processing module connects the drive end of light source module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101733.5U CN206095968U (en) | 2016-10-08 | 2016-10-08 | LCD screen bubble defect detecting device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101733.5U CN206095968U (en) | 2016-10-08 | 2016-10-08 | LCD screen bubble defect detecting device based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095968U true CN206095968U (en) | 2017-04-12 |
Family
ID=58481269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621101733.5U Active CN206095968U (en) | 2016-10-08 | 2016-10-08 | LCD screen bubble defect detecting device based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095968U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505335A (en) * | 2017-09-05 | 2017-12-22 | 天之域电子工业(厦门)有限公司 | A kind of detection means and method of touch-screen fitting bubble |
| CN107782741A (en) * | 2017-10-26 | 2018-03-09 | 德清晨英电子科技有限公司 | A kind of device that bubble is judged by light |
| CN110632085A (en) * | 2019-10-25 | 2019-12-31 | 重庆城市管理职业学院 | Large-scale steel casting NDT flaw detection position defect processing device system |
| CN110646374A (en) * | 2019-08-19 | 2020-01-03 | 深圳市矽赫科技有限公司 | IC detection device and method based on terahertz time-domain spectroscopy |
| CN110987971A (en) * | 2019-12-19 | 2020-04-10 | 太原理工大学 | Crystal bubble detection device and method based on machine vision |
| CN111239143A (en) * | 2020-03-17 | 2020-06-05 | 合肥市商巨智能装备有限公司 | Liquid crystal panel defect re-judging mechanism and method |
| CN108535895B (en) * | 2018-03-05 | 2024-03-26 | 安徽艾迪麦自动化设备有限公司 | Liquid crystal display defect detection system |
-
2016
- 2016-10-08 CN CN201621101733.5U patent/CN206095968U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505335A (en) * | 2017-09-05 | 2017-12-22 | 天之域电子工业(厦门)有限公司 | A kind of detection means and method of touch-screen fitting bubble |
| CN107505335B (en) * | 2017-09-05 | 2022-08-02 | 天之域电子工业(厦门)有限公司 | Detection device and method for attaching bubbles to touch screen |
| CN107782741A (en) * | 2017-10-26 | 2018-03-09 | 德清晨英电子科技有限公司 | A kind of device that bubble is judged by light |
| CN108535895B (en) * | 2018-03-05 | 2024-03-26 | 安徽艾迪麦自动化设备有限公司 | Liquid crystal display defect detection system |
| CN110646374A (en) * | 2019-08-19 | 2020-01-03 | 深圳市矽赫科技有限公司 | IC detection device and method based on terahertz time-domain spectroscopy |
| CN110632085A (en) * | 2019-10-25 | 2019-12-31 | 重庆城市管理职业学院 | Large-scale steel casting NDT flaw detection position defect processing device system |
| CN110632085B (en) * | 2019-10-25 | 2022-06-07 | 重庆城市管理职业学院 | Large-scale steel casting NDT position defect processing apparatus system that detects a flaw |
| CN110987971A (en) * | 2019-12-19 | 2020-04-10 | 太原理工大学 | Crystal bubble detection device and method based on machine vision |
| CN110987971B (en) * | 2019-12-19 | 2022-06-24 | 太原理工大学 | Crystal bubble detection device and method based on machine vision |
| CN111239143A (en) * | 2020-03-17 | 2020-06-05 | 合肥市商巨智能装备有限公司 | Liquid crystal panel defect re-judging mechanism and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206095968U (en) | LCD screen bubble defect detecting device based on machine vision | |
| CN204718970U (en) | Product appearance inspection device | |
| CN102565080B (en) | Vision detection device and system | |
| CN206132356U (en) | HUD image test equipment | |
| CN106872474A (en) | Exploded perspective vision testing machine and its detection method | |
| CN204084051U (en) | The light-source structure of visual quality checkout equipment | |
| CN106290382A (en) | Bubble-cap tablet package defective vision detection device and method | |
| CN205650478U (en) | Switch outward appearance check out test set and system | |
| CN103727877B (en) | The method of fruit identification location, Apparatus and system | |
| CN106931881A (en) | A kind of polyphaser visible detection method | |
| CN105115981A (en) | Full-automatic optical fiber winding defect detection system and method and optical fiber winding method | |
| CN106767535B (en) | Contactless duplex measurement instrument and its measurement method | |
| CN208207914U (en) | PCB surface defect detecting device based on fast geometric alignment | |
| CN107677688A (en) | Notebook computer appearance delection device | |
| CN110554046A (en) | detection system and method for pins of electronic components | |
| CN106842641A (en) | The mobile detection image harvester of display module | |
| CN109975318A (en) | A kind of plastic bottle open defect detection method and equipment | |
| CN110044926A (en) | A kind of lens defect detection device | |
| CN211905130U (en) | Screen alignment lighting detection device | |
| CN105700037A (en) | Apparatus and method for detecting less installed screw on engine cylinder cover | |
| CN114527073A (en) | Rapid high-precision appearance quality detection system and detection method for reflective curved surface | |
| CN104354935B (en) | Defect detection device for drawn wire on transparent packaging material | |
| CN205060910U (en) | Hair style of making a video recording heparin tube grasping system | |
| CN106441104A (en) | Size measurement system | |
| CN103837545A (en) | Lens imaging device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |