CN218787900U

CN218787900U - Screen detection equipment

Info

Publication number: CN218787900U
Application number: CN202220922687.4U
Authority: CN
Inventors: 娄飞
Original assignee: Shenzhen Diaotou Technology Co ltd
Current assignee: Shenzhen Diaotou Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2023-04-04
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a screen detection device, which relates to the technical field of screen detection and comprises a workbench and an image acquisition device arranged above the workbench; the table top of the workbench is provided with a simulation area and a placing area, the simulation area is positioned in the middle of the placing area, and a replaceable simulation display screen is arranged in the simulation area; at least one supporting piece is arranged in the placing area, and the supporting piece is detachably connected with the table top of the workbench. The utility model discloses a screen check out test set, simple structure, convenient operation is swift, is suitable for the product of multiple size and specification, can compatible cell-phone, flat board, the on-vehicle screen etc. that detect equidimension not, can also detect analog display screen simultaneously, has promoted the stability of detection and the repeatability of testing result.

Description

Screen detection equipment

Technical Field

The utility model relates to a technical field that the screen detected, concretely relates to screen check out test set.

Background

With the development of high-end electronic screens, the demand for screen anti-glare is gradually increasing, especially on outdoor and vehicle-mounted display screens. However, since the anti-glare structure or film may induce a flash point to seriously affect the display effect, stable detection of the severity of the flash point is an important requirement.

The existing screen detection equipment has the defects of low detection result repeatability, poor stability, manual operation, incapability of automatically detecting equipment with different sizes and shapes by utilizing the equipment and incapability of considering the detection of a simulation display screen.

SUMMERY OF THE UTILITY MODEL

In order to detect the equipment screen of unidimensional, shape, realize simultaneously that the accuracy to analog display screen detects, improves the accuracy of testing result, the utility model provides a following technical scheme:

a screen detection device comprises a workbench and an image acquisition device arranged above the workbench;

the table top of the workbench is provided with a simulation area and a placing area, the simulation area is positioned in the middle of the placing area, and a replaceable simulation display screen is arranged in the simulation area;

at least one supporting piece is arranged in the placing area, and the supporting piece is detachably connected with the table top of the workbench.

As another embodiment of the utility model, the placing area comprises a plurality of positioning holes distributed on the table top, and one end of the supporting piece is inserted into the positioning holes and is detachably connected with the positioning holes.

As another embodiment of the present invention, the simulation area is provided with a light hole, an upper port of the light hole is provided with a replaceable simulation mask plate, and a backlight source is arranged below the simulation mask plate; the inner wall of the light hole is provided with a matte coating for reducing reflected light.

As another embodiment of the utility model, port edge all around is provided with the installation position on the light trap, and the installation position is provided with the groove of dodging that a convenient simulation mask plate got to put at least.

As another embodiment of the present invention, the image capturing device includes a supporting portion disposed along the height direction of the worktable, a driving portion disposed on the supporting portion, and an image capturing portion fastened to the driving portion, the image capturing portion moving up and down along the height direction of the supporting portion.

As another embodiment of the present invention, the driving portion includes a screw rod disposed along the height direction of the supporting portion, a motor disposed at one end of the screw rod, and a slider connected to the screw rod by a screw thread.

As another embodiment of the present invention, the image capturing unit includes a camera, an image sensor disposed in the camera, and a lens disposed on the image capturing side of the camera, and the camera is fastened to the slider.

As another embodiment of the present invention, the periphery of the image capturing device is provided with a housing, and the lens is exposed from the housing.

As another embodiment of the present invention, an electric control device electrically connected to the driving portion and the image capturing portion is disposed in the working table.

As another embodiment of the present invention, the lower bottom surface of the working table is provided with a plurality of adjusting seats.

Compared with the prior art, the utility model provides a screen check out test set has puts district and simulation district, sets up support piece in putting the district, can detect true screens such as cell-phones, flat board of equidimension not through putting the district, and support piece can avoid cell-phone or the camera interference at dull and stereotyped rear portion to place the level simultaneously, makes the test result more stable. In addition, through the simulation area, the mask and the backlight source can be simultaneously utilized to simulate the display screen for detection, the screen effect of monochromatic light emission is equivalently realized, and the stability of detection and the repeatability of a detection result are improved.

Drawings

FIG. 1 is a schematic diagram of a structure of a screen inspection apparatus for placing an analog mask.

Fig. 2 is a partially enlarged schematic view of an area a of the screen inspection apparatus.

Fig. 3 is a schematic structural diagram of the screen inspection apparatus.

Fig. 4 is a partially enlarged schematic view of a region B of the screen inspection apparatus.

Fig. 5 is a schematic structural diagram of an image acquisition device of the screen detection equipment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. The utility model discloses directional phrase mentioned, for example: up, down, left, right, front, rear, inner, outer, lateral, etc., are simply directions with reference to the drawings. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. Furthermore, the present invention repeats reference numerals and/or reference letters in different examples, which are repeated for purposes of simplicity and clarity and do not, themselves, indicate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

The embodiment of the utility model provides an in, as shown in fig. 1-5, a screen check out test set is proposed, the utility model discloses a screen check out test set includes workstation 10 and image acquisition device 20 at least, and image acquisition device 20 sets up in the top of workstation 10 to fix on workstation 10.

The upper surface of the workbench 10 is provided with a table top, the table top is provided with a simulation area 11 and a placing area 12, and the simulation area 11 is used for providing a simulation display screen so that the screen detection equipment can detect the simulation display screen; the placing area 12 is used for placing a real screen to be detected by a mobile phone or a tablet, so that the screen detection equipment can detect the real screen.

The simulation area 11 is located in the middle of the placement area 12, and a replaceable simulation display screen is arranged in the simulation area 11, so that the function of detecting the simulation display screen by screen detection equipment is realized.

Specifically, the simulation area 11 is provided with a light transmission hole 111, an upper port of the light transmission hole 111 is provided with a replaceable simulation mask plate 14, the simulation mask plate 14 covers the light transmission hole 111 to form a horizontal upper surface, and the simulation mask plate 14 is used for simulating a screen grid. In order to equivalently realize the screen effect of monochromatic light emission, a backlight source is arranged below the simulation mask plate 14, and the backlight source can be arranged inside the workbench 10 and below the simulation area 11. Further, in order to reduce the influence of reflected light, a matte coating is provided on the inner wall of the light transmission hole 111.

In order to place the simulation mask plate 14 in the light transmission hole 111 conveniently and keep the upper surface of the simulation mask plate 14 horizontal, the edges around the upper port of the light transmission hole 111 are provided with installation positions 112, because simulation screens of different types need to be tested, in order to replace the simulation mask plate 14 conveniently, the installation positions 112 are at least provided with avoidance grooves 113 which facilitate the taking and placing of the simulation mask plate 14, and preferably, the two avoidance grooves 113 are symmetrically arranged on the installation positions 112.

The light transmission holes 111 of the simulation area 11 may be provided in a corresponding shape according to the shape of the simulation mask 14. Preferably, the light transmission hole 111 is a square hole.

At least one supporting piece 13 is arranged in the placing area 12, and the supporting piece 13 is detachably connected with the table top of the workbench 10. Through support piece 13, can make somebody a mere figurehead the true screen that awaits measuring, prevent that the protruding camera in back from influencing the levelness of screen, make the screen remain the horizontality all the time, the equipment of being convenient for carries out the screen and detects.

Further, the placing area 12 includes a plurality of positioning holes 121 distributed on the table top, and in order to prevent light leakage and facilitate installation of the supporting member 13, preferably, the positioning holes 121 are blind holes, and the plurality of positioning holes 121 have at least one hole type, which may be a round hole, a square hole, a diamond hole, or a semicircular hole, and preferably, the positioning holes 121 are round holes. The positioning holes 121 of the placing area 12 are arranged in an array.

The supporting member 13 is installed in the positioning hole 121, and one end of the supporting member 13 is inserted into the positioning hole 121 and detachably connected to the positioning hole 121. Preferably, the support 13 is inserted into at least one positioning hole 121. The shape of the support 13 matches the shape of the positioning hole 121. The height of the supporting member 13 installed in the positioning hole 121 does not have to be completely uniform according to the shape of the rear surface of the screen to be detected, and the height of the supporting member 13 can be adjusted. Preferably, the support 13 is a copper cylinder with different heights. Through placing support piece 13, can place on support piece 13 and need measure by the measuring object, like cell-phone or flat board, adjust different support piece 13's height, can prevent to be detected the level that attached protruding formula camera or connecting wire of object arouse the screen, make the test result more stable, avoid being detected the camera interference at object rear portion and place the level. Therefore, the screen detection device can be compatible with mobile phones, flat panels, vehicle-mounted screens and the like which detect different sizes.

The image capturing device 20 includes a supporting portion 21, a driving portion 22, and an image capturing portion 23, the supporting portion 21 is vertically fixed on the table 10 along the height direction of the table 10, the driving portion 22 is fixed on the supporting portion 21, the image capturing portion 23 is fastened to the driving portion 22, and the image capturing portion can move up and down along the height direction of the supporting portion 21.

The driving part 22 includes a motor 221, a lead screw 222, and a slider 223. Wherein, the screw rod 222 is arranged along the height direction of the supporting part 21, one end of the screw rod 222 is provided with the motor 221, and the slide block 223 is in threaded connection with the screw rod.

The image acquisition part 23 comprises a camera, an image sensor and a lens, wherein the image sensor is arranged in the camera, the lens is fixed on the image acquisition side of the camera, and the camera is fastened with the sliding block. The image collected by the camera is transmitted to an external analysis device by the image sensor to calculate the result.

Preferably, a precision motor, an ultra-high resolution camera, and a high quality imaging lens are employed. The high-quality imaging lens is installed on the ultrahigh-resolution camera, the ultrahigh-resolution camera is fixed on the sliding block, the center line of the high-quality imaging lens is overlapped with the center line of the simulation area 11, the precise motor drives the screw rod to drive the sliding block to move in the vertical direction, so that the ultrahigh-resolution camera moves in the height direction of the supporting portion 21, the high-quality imaging lens can be automatically focused with the detected screen, and images are acquired, wherein the detected screen is a real screen of an object to be detected or a simulation screen formed by the simulation area.

In order to stabilize the detection result, a casing 24 is disposed at the periphery of the image capturing device 20, and the lens is exposed from the casing 24. Preferably, the housing 24 is a matte housing, so that when the camera collects a high-reflection screen, the camera or the device itself will not be reflected in the image, and the test result is more stable.

In order to realize automatic focusing and automatic image acquisition with the detected screen, an electric control device electrically connected with the driving part 22 and the image acquisition part 23 is arranged in the worktable 10. Preferably, the worktable 10 is a hollow structure, and the backlight, the electric control device and the electric circuit are all arranged inside the worktable 10, so that the appearance looks neat.

In order to reduce the influence of external conditions on the levelness of the screen detection equipment, a plurality of adjusting seats 25 are arranged on the lower bottom surface of the workbench 10, each adjusting seat 25 comprises a connecting rod and a base, and each adjusting seat 25 is detachably connected with the workbench 10. Preferably, the bottom of the screen detection device is provided with four adjusting seats 25, which are respectively arranged at the four corners of the bottom of the workbench 10.

Compared with the prior art, the beneficial effects of the utility model are that: simple structure, convenient operation is swift, can be applicable to the application scene that multiple screen detected, can enough be suitable for the screen detection of the product of multiple size and specification, can compatible not cell-phone, flat board, vehicle screen of equidimension etc. cooperate not support piece of co-altitude, can prevent to be surveyed the level nature that protruding formula camera or connecting wire by the way of screen arouse the screen, make the test result more stable. The device can be suitable for the detection of a simulation display screen, and the screen effect of monochromatic light emission is equivalently realized by utilizing a simulation mask plate and matching with a built-in light source. Meanwhile, the shell is added, so that when the camera collects a high-reflectivity screen, the camera or the equipment can not be inverted in an image, and a test result is more stable.

The working principle of the screen detection device is as follows:

firstly, the detected object is placed in the placing area 12, and the height of the supporting piece 13 in the placing area 12 is adjusted, so that the detected object is in a horizontal state, and the phenomenon that the screen is not horizontal due to a protruding camera or a connecting line attached to the detected screen is prevented.

Alternatively, the backlight is turned on, and the backlight in the analog region 11 and the analog mask 14 form an analog display having a screen effect of monochromatic light emission.

Then, the electric control device controls the driving part 22 to work, so that the image acquisition part 23 moves up and down in the height direction of the supporting rod, and the automatic focusing with the detected object or the analog display is realized.

After focusing is completed, the camera collects images of the detected object or the analog display, and the image sensor transmits the collected screen images to external analysis equipment for analysis and calculation to obtain a result value of the detected object or the analog display.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A screen detection device is characterized by comprising a workbench and an image acquisition device arranged above the workbench;

2. The screen detecting device of claim 1, wherein the placement area comprises a plurality of positioning holes distributed on the table top, and one end of the supporting member is inserted into the positioning holes and detachably connected with the positioning holes.

3. The screen detection device according to claim 1, wherein the simulation area is provided with a light hole, an upper port of the light hole is provided with a replaceable simulation mask plate, and a backlight source is arranged below the simulation mask plate; the inner wall of the light hole is provided with a matte coating for reducing reflected light.

4. The screen detection device of claim 3, wherein the periphery of the upper port of the light hole is provided with a mounting position, and the mounting position is provided with at least one avoidance groove for facilitating taking and placing of the simulation mask plate.

5. The screen detecting apparatus according to claim 1, wherein the image pickup device includes a support portion provided in a height direction of the table, a driving portion provided in the support portion, and an image pickup portion fastened to the driving portion, the image pickup portion moving up and down in the height direction of the support portion.

6. The screen detecting apparatus according to claim 5, wherein the driving portion includes a lead screw provided in a height direction of the support portion, a motor provided at one end of the lead screw, and a slider screw-coupled to the lead screw.

7. The screen detecting apparatus according to claim 6, wherein the image pickup section includes a camera, an image sensor provided in the camera, and a lens provided on an image pickup side of the camera, the camera being fastened to the slider.

8. The screen detecting apparatus according to claim 7, wherein a housing is disposed around the image capturing device, and the lens is exposed from the housing.

9. The screen detecting apparatus according to claim 5, wherein an electric control device electrically connected to the driving portion and the image capturing portion is provided in the table.

10. The screen detecting apparatus of claim 1, wherein a plurality of adjusting seats are provided on a lower bottom surface of the table.