CN113295696A - Curved screen outer arc crackle optical detection device - Google Patents

Curved screen outer arc crackle optical detection device Download PDF

Info

Publication number
CN113295696A
CN113295696A CN202110367963.5A CN202110367963A CN113295696A CN 113295696 A CN113295696 A CN 113295696A CN 202110367963 A CN202110367963 A CN 202110367963A CN 113295696 A CN113295696 A CN 113295696A
Authority
CN
China
Prior art keywords
camera
detection device
optical detection
support plate
outer arc
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.)
Granted
Application number
CN202110367963.5A
Other languages
Chinese (zh)
Other versions
CN113295696B (en
Inventor
康强强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Jingxun Electronics Technology Co ltd
Wuhan Jingce Electronic Group Co Ltd
Suzhou Hirose Opto Co Ltd
Original Assignee
Kunshan Jingxun Electronics Technology Co ltd
Wuhan Jingce Electronic Group Co Ltd
Suzhou Hirose Opto Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Jingxun Electronics Technology Co ltd, Wuhan Jingce Electronic Group Co Ltd, Suzhou Hirose Opto Co Ltd filed Critical Kunshan Jingxun Electronics Technology Co ltd
Priority to CN202110367963.5A priority Critical patent/CN113295696B/en
Publication of CN113295696A publication Critical patent/CN113295696A/en
Application granted granted Critical
Publication of CN113295696B publication Critical patent/CN113295696B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9515Objects of complex shape, e.g. examined with use of a surface follower device
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Studio Devices (AREA)

Abstract

The application relates to a bent screen outer arc crackle optical detection device includes: a frame; the camera mechanisms are arranged on the rack, at least one pair of camera mechanisms is arranged, and the shooting directions of the pair of camera mechanisms respectively face the arc-shaped edges at the two sides of the screen; a light source mechanism, the irradiation direction of which faces to the screen; the camera mechanism comprises a linear module, a camera support plate and a camera, the linear module is installed on the frame, the camera support plate is installed on the linear module, the camera support plate can move under the driving of the linear module, the camera is installed on the camera support plate, and the angle of the camera can be adjusted on the camera support plate. The invention has the beneficial effects that: 1. the product detection precision is improved; 2. the detection efficiency is improved; 3. due to the fact that the product size can be compatible with a certain range, the production cost of a customer is reduced, and the customer satisfaction is improved.

Description

Curved screen outer arc crackle optical detection device
Technical Field
The application belongs to the technical field of screen detection, and particularly relates to an optical detection device for curved screen outer arc cracks.
Background
The mobile phone is used as a popular consumer product, and the updating is faster, so the demand of the mobile phone screen is larger. In recent years, mobile phone screens with curvatures on two sides and even mobile phone screens with curvatures on the periphery are rapidly popularized in the market, a traditional non-curved screen detection device cannot detect curved screens, and due to the fact that the radian of the existing curved screens is different, the screen compatibility detection of multiple models by using one detection device is difficult. Because of the restriction of detection precision and camera depth of field, prior art need be rotatory the camera and get the picture detection to same radian many times, and detection effect and efficiency are all lower relatively.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the optical detection device for the curved screen outer arc cracks is provided for solving the defects of the curved screen optical detection in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an optical detection device for curved screen outer arc cracks comprises:
a frame;
the camera mechanisms are arranged on the rack, at least one pair of camera mechanisms is arranged, and the shooting directions of the pair of camera mechanisms respectively face to the arc-shaped edges on the two sides of the screen;
a light source mechanism, the irradiation direction of which faces to the screen;
the camera mechanism comprises a linear module, a camera support plate and a camera, the linear module is installed on the rack, the camera support plate is installed on the linear module, the camera support plate can be driven by the linear module to move, the camera is installed on the camera support plate, and the angle of the camera can be adjusted on the camera support plate.
Preferably, according to the optical detection device for the curved-screen outer-arc cracks, the camera support plate is arranged on a vertical plane, an arc-shaped installation groove is formed in the camera support plate, an adjusting seat is further arranged on the camera support plate, and the adjusting seat is fixed through a locking piece arranged in the installation groove; the camera is fixed on the adjusting seat.
Preferably, in the optical detection device for the outer arc cracks of the curved screen, the mounting groove is arc-shaped, an angle scale is arranged on one side of the mounting groove, and the shooting direction of the camera is along the normal direction of the mounting groove.
Preferably, in the optical detection device for the curved-screen outer-arc cracks, two cameras are arranged on each camera support plate, and the shooting directions of the two cameras on the same camera support plate form a certain angle difference.
Preferably, in the optical detection device for the curved-screen outer-arc cracks, two pairs of camera mechanisms are arranged on two sides of the rack respectively, and each camera mechanism is arranged in a staggered manner.
Preferably, the optical detection device for the curved-screen outer arc cracks of the invention comprises:
the bottom plate is fixed through a locking piece arranged in the mounting groove, and a sliding rail is arranged on the bottom plate;
the sliding seat is arranged on the sliding rail;
a carriage adjuster capable of adjusting a position of the carriage relative to the base plate.
Preferably, the optical detector for detecting the curved-screen outer-arc crack of the present invention comprises:
the lamp holder adjusting assembly is arranged below the rack;
the lamp holders are arranged on the lamp holder adjusting assembly;
the lamp holder adjusting assembly is used for adjusting the position of each lamp holder.
Preferably, the optical detector for detecting cracks of curved screen outer arc comprises:
a second linear module;
the lamp holder bracket is arranged on the second linear module;
the lamp holder adjusting plate is adjustably arranged on the lower side edge of the camera support plate;
one part of the lamp holder is arranged on the lamp holder bracket, and the other part of the lamp holder is arranged on the lamp holder adjusting plate.
Preferably, according to the optical detection device for the outer arc cracks of the curved screen, a plurality of sensors are arranged on one side of the second linear module, and the sensors are used for sensing the moving distance of the lamp holder bracket.
Preferably, in the optical detection device for the curved-screen outer-arc cracks, a space through which the screen passes is arranged below the machine frame and above the light source mechanism.
The invention has the beneficial effects that:
1. the product detection precision is improved;
2. the detection efficiency is improved;
3. due to the fact that the product size can be compatible with a certain range, the production cost of a customer is reduced, and the customer satisfaction is improved.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic structural diagram of an optical detection device for detecting cracks of an outer arc of a curved screen according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of a camera mechanism according to an embodiment of the present application;
FIG. 3 is a schematic view of an adjustment seat of a camera mechanism according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating a multi-angle detection product of the optical detector for detecting cracks in an outer arc of a curved screen according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an offset mounting structure between camera mechanisms according to an embodiment of the present application;
fig. 6 is a schematic view of a light source mechanism mounting structure according to an embodiment of the present application.
The reference numbers in the figures are:
1 machine frame
2 Camera mechanism
3 light source mechanism
21 straight line module
22 camera support board
23 Camera
32 lamp holder
221 installation groove
222 adjusting seat
223 locking member
224 degree scale
311 second straight line module
312 lamp holder support
313 lamp holder adjusting plate
2221 base plate
2222 sliding seat
2223 slide seat adjusting piece
A generating a shot surface
B shooting surface
C shooting surface
D shooting surface
And E, screen.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
The present embodiment provides an optical detection apparatus for curved-screen outer arc cracks, as shown in fig. 1-2, including:
a frame 1;
the camera mechanisms 2 are arranged on the frame 1, at least one pair of camera mechanisms 2 is arranged, and the shooting directions of the pair of camera mechanisms 2 respectively face to the arc-shaped edges on the two sides of the screen;
a light source mechanism 3, the irradiation direction of which faces the screen;
camera mechanism 2 includes sharp module 21, camera mounting panel 22, camera 23, sharp module 21 is installed in frame 1, camera mounting panel 22 is installed on sharp module 21, camera mounting panel 22 can move under the drive of sharp module 21, camera 23 is installed on camera mounting panel 22, just camera 23 can camera mounting panel 22 goes up angle of adjustment.
The optical detection device for the curved screen outer arc cracks of the embodiment is used for detecting the outer arc cracks of the mobile phone screen as shown in fig. 4, and the detection principle of the optical device is as follows: the camera mechanism 2 of both sides shoots the discernment to the screen in the middle of, and the angularly adjustable of camera 23 can adapt to the screen of different radians, and the distance at camera 23 and product edge then can be adjusted through sharp module 21, can accurately focus. As shown in fig. 4, when the screen E moves past from the bottom of the rack 1, the cameras 23 scan the outer arc, and if 4 cameras 23 are used on each side, four shooting surfaces at different angles, that is, a shooting surface a, a shooting surface B, a shooting surface C, and a shooting surface D, can be generated, and the images of the four shooting surfaces at different angles are combined by an algorithm to form a complete outer arc image.
Preferably, in the optical detection device for cracks in an outer arc of a curved screen according to the present embodiment, as shown in fig. 2 and 3, the camera support plate 22 is disposed on a vertical plane, the camera support plate 22 has an arc-shaped installation groove 221, the camera support plate 22 is further provided with an adjustment seat 222, and the adjustment seat 222 is fixed by a locking member 223 disposed in the installation groove 221; the camera 23 is fixed on the adjusting seat 222. The structure can adjust the angle of the adjusting seat 222, the specific method is to loosen the locking piece 223 during the adjustment, move the angle position of the adjusting seat 222 on the mounting groove 221, and after the adjustment is completed, lock the locking piece 223, which is equivalent to fixing the shooting angle of the camera 23.
Preferably, in the optical detection device for cracks on an outer arc of a curved screen according to the present embodiment, as shown in fig. 2, the installation groove 221 is in an arc shape, an angle scale 224 is disposed on one side of the installation groove 221, and the shooting direction of the camera 23 is along a normal direction of the installation groove 221. The angle scale 224 can better reflect the angle of the current camera 23 orientation, facilitating accurate adjustment.
Preferably, in the optical detection device for the curved-screen outer-arc crack of the present embodiment, as shown in fig. 1 and 2, two cameras 23 are disposed on each camera support plate 22, and the shooting directions of the two cameras 23 on the same camera support plate 22 form a certain angle difference. The cameras 23 are mounted on the camera support plate 22 as many as possible, so that the shooting angle can be increased, and the detected arc-shaped edge of the screen is more complete when the shot images are spliced.
Preferably, in the optical detection device for the curved-screen outer-arc crack of the present embodiment, as shown in fig. 5, two pairs of the camera mechanisms 2 are respectively disposed on two sides of the rack 1, and each camera mechanism 2 is disposed in a staggered manner. Due to space limitations, multiple cameras 23 cannot be mounted on the same camera support plate 22 at the same time. When the device performs small screen detection, the two camera mechanisms 2 of a pair need to be close to each other, and in order to avoid the conflict of the moving ranges of the cameras 23 on both sides, the camera mechanisms 2 are arranged in a staggered manner as shown in fig. 5.
Preferably, in the optical detection apparatus for detecting cracks in curved outer arc of curved screen of the present embodiment, as shown in fig. 3, the adjusting seat 222 includes:
the bottom plate 2221 is fixed through a locking piece 223 arranged in the mounting groove 221, and a sliding rail is arranged on the bottom plate 2221;
a slide 2222 mounted on the slide rail;
a slide adjuster 2223 capable of adjusting the position of the slide 2222 relative to the base plate 2221.
Preferably, in the optical detection apparatus for detecting a curved-screen outer-arc crack of the present embodiment, as shown in fig. 6, the light source mechanism 3 includes:
the lamp holder adjusting assembly is arranged below the rack 1;
a plurality of lamp caps 32 mounted on the lamp cap adjustment assembly;
the lighthead adjustment assembly is used to adjust the position of each of the lightheads 32.
The lamp head adjusting assembly comprises:
a second linear module 311;
a lamp holder bracket 312 installed on the second linear module 311;
a head adjusting plate 313 adjustably mounted at a lower side edge of the camera support plate 22;
one part of the lamp head 32 is mounted on the lamp head holder 312, and the other part is mounted on the lamp head adjusting plate 313.
This structure can be convenient for lamp holder 32's adjustment, is convenient for give the appropriate light filling of screen, is favorable to camera mechanism 2 to shoot the image.
Preferably, in the optical detection apparatus for detecting cracks in the curved-screen outer arc, one side of the second linear module 311 is provided with a plurality of sensors, and the sensors are used for sensing the moving distance of the lamp holder support 312. The sensor is able to effectively identify the position of the lighthead holder 312.
Preferably, as shown in fig. 4, the optical detection device for curved-screen outer-arc cracks of the present embodiment has a space for passing a screen below the rack 1 and above the light source mechanism 3.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The utility model provides a curved screen outer arc crackle optical detection device which characterized in that includes:
a frame (1);
the camera mechanisms (2) are mounted on the rack (1), at least one pair of camera mechanisms (2) is arranged, and the shooting directions of the pair of camera mechanisms (2) respectively face to the arc-shaped edges on the two sides of the screen;
a light source mechanism (3) whose irradiation direction faces the screen;
camera mechanism (2) are including sharp module (21), camera mounting panel (22), camera (23), sharp module (21) is installed on frame (1), camera mounting panel (22) is installed on sharp module (21), camera mounting panel (22) can move under the drive of sharp module (21), install camera (23) on camera mounting panel (22), just camera (23) can be in angle of adjustment on camera mounting panel (22).
2. The optical detection device for the curved screen outer arc cracks according to claim 1, wherein the camera support plate (22) is arranged on a vertical plane, an arc-shaped installation groove (221) is formed in the camera support plate (22), an adjusting seat (222) is further arranged on the camera support plate (22), and the adjusting seat (222) is fixed through a locking piece (223) arranged in the installation groove (221); the camera (23) is fixed on the adjusting seat (222).
3. The optical detection device for the outer arc cracks of the curved screen according to claim 2, wherein the mounting groove (221) is arc-shaped, an angle scale (224) is arranged on one side of the mounting groove (221), and the shooting direction of the camera (23) is along the normal direction of the mounting groove (221).
4. A curved screen outer arc crack optical detection device according to claim 3, characterized in that two cameras (23) are arranged on each camera support plate (22), and the shooting directions of the two cameras (23) on the same camera support plate (22) form a certain angle difference.
5. A curved screen outer arc crack optical detection device according to claim 4, characterized in that the camera mechanisms (2) are arranged on two sides of the machine frame (1) respectively, and each camera mechanism (2) is arranged in a staggered mode.
6. The optical device for detecting cracks in an outer curved screen according to claim 5, wherein said adjusting seat (222) comprises:
the bottom plate (2221) is fixed through a locking piece (223) arranged in the mounting groove (221), and a sliding rail is arranged on the bottom plate (2221);
a slide (2222) mounted on the slide rail;
a slide adjustment (2223) capable of adjusting the position of the slide (2222) relative to the base plate (2221).
7. A curved screen outer arc crack optical detection device according to any one of claims 1-6, characterized in that the light source mechanism (3) comprises:
the lamp holder adjusting assembly is arranged below the rack (1);
a plurality of lightheads (32) mounted on the lighthead adjustment assembly;
the lamp head adjusting assembly is used for adjusting the position of each lamp head (32).
8. A curved screen outer arc crack optical detection device as claimed in claim 7, wherein the burner adjustment assembly comprises:
a second linear module (311);
a lamp holder bracket (312) mounted on the second linear module (311);
a lamp cap adjusting plate (313) adjustably mounted at a lower side edge of the camera bracket plate (22);
one part of the lamp holder (32) is arranged on the lamp holder bracket (312), and the other part of the lamp holder is arranged on the lamp holder adjusting plate (313).
9. The optical detection device for the outer arc cracks of the curved screen according to claim 8, wherein a plurality of sensors are arranged on one side of the second linear module (311), and the sensors are used for sensing the moving distance of the lamp holder bracket (312).
10. A curved screen outer arc crack optical detection device according to any one of claims 1-6, characterized in that a space for passing a screen is arranged below the machine frame (1) and above the light source mechanism (3).
CN202110367963.5A 2021-04-06 2021-04-06 Curved screen outer arc crack optical detection device Active CN113295696B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110367963.5A CN113295696B (en) 2021-04-06 2021-04-06 Curved screen outer arc crack optical detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110367963.5A CN113295696B (en) 2021-04-06 2021-04-06 Curved screen outer arc crack optical detection device

Publications (2)

Publication Number Publication Date
CN113295696A true CN113295696A (en) 2021-08-24
CN113295696B CN113295696B (en) 2024-02-06

Family

ID=77319459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110367963.5A Active CN113295696B (en) 2021-04-06 2021-04-06 Curved screen outer arc crack optical detection device

Country Status (1)

Country Link
CN (1) CN113295696B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115406901A (en) * 2022-11-01 2022-11-29 合肥中科类脑智能技术有限公司 Battery appearance detection system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202339186U (en) * 2011-10-28 2012-07-18 广东工业大学 Adjustable photoelectric detection system
CN109030500A (en) * 2018-07-27 2018-12-18 惠州旭鑫智能技术有限公司 Screen defect multi-orientation detection equipment
CN110618545A (en) * 2019-08-20 2019-12-27 惠州帆声智创科技有限公司 Arc motion vision detection mechanism
CN210603215U (en) * 2019-09-25 2020-05-22 深圳市深科达智能装备股份有限公司 Flexible screen 3D precision detection structure
CN111678921A (en) * 2020-06-19 2020-09-18 京东方科技集团股份有限公司 Optical detection device
CN112067613A (en) * 2020-08-28 2020-12-11 博众精工科技股份有限公司 Appearance detection device
CN112362676A (en) * 2020-11-06 2021-02-12 苏州精濑光电有限公司 Curved surface screen crack check out test set

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202339186U (en) * 2011-10-28 2012-07-18 广东工业大学 Adjustable photoelectric detection system
CN109030500A (en) * 2018-07-27 2018-12-18 惠州旭鑫智能技术有限公司 Screen defect multi-orientation detection equipment
CN110618545A (en) * 2019-08-20 2019-12-27 惠州帆声智创科技有限公司 Arc motion vision detection mechanism
CN210603215U (en) * 2019-09-25 2020-05-22 深圳市深科达智能装备股份有限公司 Flexible screen 3D precision detection structure
CN111678921A (en) * 2020-06-19 2020-09-18 京东方科技集团股份有限公司 Optical detection device
CN112067613A (en) * 2020-08-28 2020-12-11 博众精工科技股份有限公司 Appearance detection device
CN112362676A (en) * 2020-11-06 2021-02-12 苏州精濑光电有限公司 Curved surface screen crack check out test set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115406901A (en) * 2022-11-01 2022-11-29 合肥中科类脑智能技术有限公司 Battery appearance detection system
CN115406901B (en) * 2022-11-01 2023-03-10 合肥中科类脑智能技术有限公司 Battery appearance detection system

Also Published As

Publication number Publication date
CN113295696B (en) 2024-02-06

Similar Documents

Publication Publication Date Title
CN102023164B (en) For detecting the apparatus and method of the local defect of transparent plate
CN106442327B (en) Optical system for detecting object side image information
CN211426316U (en) AOI detection equipment
CN113295696A (en) Curved screen outer arc crackle optical detection device
CN103383499A (en) Device for detecting liquid crystal coating state and liquid crystal coater comprising same
CN109448063A (en) A kind of lens distortion center calibration facility and method
CN208155890U (en) A kind of glass defect detection device
CN110426400A (en) For touch screen can operating space automatic polisher and its automatic method for polishing
CN112557401B (en) Linear array scanning visual detection equipment
CN213957179U (en) Linear array scanning visual detection device
CN111323944A (en) Optical detection device
CN218865752U (en) Visual detection platform
CN216900185U (en) Detection apparatus for distinguish CG apron positive and negative flaw
CN213363683U (en) Optical device for multi-angle 2D/3D detection
CN115014204A (en) Geometric center positioning measurement method and system for near-to-eye display equipment
CN209000071U (en) A kind of lens distortion center calibration facility
CN210294729U (en) Novel LCD screen circuit detection device
CN111141732B (en) Diversified visual detection device
CN114674834A (en) Curved surface screen defect detection equipment
CN104165606A (en) Device for detecting planeness of glass part
CN204027531U (en) A kind of glass part flatness checkout equipment
CN103323961B (en) Detection device and method for electric energy meter liquid crystal display
CN214281553U (en) Camera testing device
CN211928342U (en) Optical detection device
CN219455954U (en) Glass detection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant