CN220583739U

CN220583739U - Display picture detection device

Info

Publication number: CN220583739U
Application number: CN202322247860.2U
Authority: CN
Inventors: 赵学波
Original assignee: Shenzhen Beacon Display Technology Co ltd
Current assignee: Shenzhen Beacon Display Technology Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-12
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a display picture detection device, which comprises: one end of the rail is fixed on the front surface of the frame, and the other end of the rail is fixed on the back surface of the frame; the fixing component is fixed on the back of the display; the sliding assembly comprises a sliding device and a clamping piece, the sliding device is connected to the fixed assembly, and the sliding device is in driving connection with the clamping piece; the sensing device comprises a sensor and a flexible circuit board, wherein the sensor is connected to one end of the flexible circuit board and used for detecting parameters of a display picture, the flexible circuit board is fixed on the clamping piece, and one end of the flexible circuit board is in sliding connection with the track. According to the embodiment of the utility model, the track is arranged on the frame, the flexible circuit board is connected with the track in a sliding way, the sensor is connected to one side of the flexible circuit board, which is close to the track, for detecting the picture of the display, and the sensor is contracted back to the hidden position after the detection is completed, so that the picture display is not affected, and the accuracy of the test value is ensured.

Description

Display picture detection device

Technical Field

The utility model relates to the technical field of displays, in particular to a display picture detection device.

Background

With the advancement of society and the development of technology, there is also an increasing demand for high-precision display devices, such as: a medical operation display, a film reading display of a film reading center of a hospital, an industrial control display and the like; for the display brightness value of the display, the change of the display picture color of the display needs to be controlled within a certain range so that the display image data of the display can keep consistent display effect when being viewed at different times, for such display requirement, a technician generally adds a fixed display detection device when designing the display, or attaches the display detection device in an accessory form in a packaging box of the display, and the display detection device is installed on the display for detection when testing is required; for a fixed display detection device, a visible area of the display is blocked by the fixed detection device to influence the viewing of an image; for the display detection device of the accessory type, the detection device needs to be installed every time the picture is tested, the operation is inconvenient, and the position of the detection device is different every time the detection device is installed, so that the test result is affected.

Disclosure of Invention

The utility model aims to provide a display picture detection device, which aims to solve the problems that a display picture is shielded and the installation is inconvenient when the display picture detection device in the prior art is used for testing.

The utility model provides a display picture detection device, which is used for being installed on a frame of a display and comprises:

one end of the rail is fixed on the front surface of the frame, and the other end of the rail is fixed on the back surface of the frame;

a fixing assembly fixed to a rear surface of the display;

the sliding assembly comprises a sliding device and a clamping piece, the sliding device is connected to the fixed assembly, and the sliding device is in driving connection with the clamping piece;

the sensing device comprises a sensor and a flexible circuit board, wherein the sensor is connected to one end of the flexible circuit board and used for detecting parameters of a display picture, the flexible circuit board is fixed on the clamping piece, and one end of the flexible circuit board is in sliding connection with the track.

Optionally, the track includes interior track, interior orbital outside set up with flexible line way board's one end sliding connection's arc track, interior orbital inboard sets up the centre gripping space, the frame insert in the centre gripping space.

Optionally, the inner rail includes an inner rail body and a first inner rail extension part and a second inner rail extension part disposed at two sides of the inner rail body.

Optionally, the first and second inner rail extensions have a height higher than the height of the inner rail body.

Optionally, the track further includes an outer track, the outer track includes a first outer track and a second outer track, the first outer track and the first inner track extension are fixed on the frame together, and the second outer track and the second inner track extension are fixed on the frame together.

Optionally, the display screen detection apparatus further includes: the sliding belt is fixed on the clamping piece, one end of the sliding belt is made of flexible materials, one end of the flexible circuit board is relatively fixed with one end of the sliding belt and is in sliding connection with the track, and one end of the sliding belt is relatively close to the track with one end of the flexible circuit board.

Optionally, the sensor is connected to one end of the flexible circuit board, an opening is provided at one end of the sliding belt, and the sensor is located at the opening.

Optionally, the display screen detection apparatus further includes: the control circuit board is fixed on the fixed component and is connected with the flexible circuit board through wires.

Optionally, the sliding device further comprises a driving device and a mounting frame, wherein the driving device is mounted on the mounting frame, the mounting frame is fixed on the fixing assembly, and the driving device is in driving connection with the clamping piece.

Optionally, the sliding device further comprises a guide post and a sliding table, the guide post is installed on the installation frame, the sliding table is slidably installed on the guide post, the driving device is in driving connection with the sliding table, and the clamping piece is connected with the sliding table.

The utility model discloses a display picture detection device, which is characterized in that a track is arranged on a frame of a display, a flexible circuit board is connected with the track in a sliding way, a sensor is arranged at one end of the flexible circuit board, which is close to the track, and the flexible circuit board is driven by a sliding device to move, and the sensor moves along with the flexible circuit board, so that the display picture detection device can be hidden on the frame, and extends out of a detection position when a test is needed, a display picture is detected, and then contracts back to the hidden position after the detection is finished, so that the display is not blocked, the picture display is not influenced, the fact that each detection can be fixed at the same position is ensured, and meanwhile, the accuracy of a test value is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a display frame detecting device according to the present utility model;

FIG. 2 is a schematic diagram of a display frame connection structure and a display frame detection device according to the present utility model;

FIG. 3 is a schematic diagram of another view angle of the display frame detecting device according to the present utility model;

FIG. 4 is a schematic diagram of another view angle of the display frame detecting device according to the present utility model;

FIG. 5 is a schematic diagram of an explosion structure of a display frame detecting device according to the present utility model;

FIG. 6 is a schematic structural diagram of a sliding device according to the present utility model;

FIG. 7 is a schematic diagram of a sensor hiding position of the display frame detecting device according to the present utility model;

FIG. 8 is a schematic diagram of a display frame detecting device according to the present utility model in a moving direction of a sliding belt during a test;

fig. 9 is a schematic diagram of a structure of a sliding belt moving direction of the display screen detecting device provided by the utility model when the display screen detecting device is retracted.

The marks in the figure are as follows:

10. a frame; 11. the front surface of the frame; 12. the back of the frame; 20. a track; 21. an inner rail; 211. an arc-shaped track; 212. a clamping space; 213. an inner rail body; 214. a first inner rail extension; 215. a second inner rail extension; 22. an outer rail; 221. a first outer rail; 222. a second outer rail; 30. a fixing assembly; 40. a sliding assembly; 41. a sliding device; 411. a driving device; 412. a mounting frame; 413. a guide post; 414. a sliding table; 42. a clamping member; 50. a sensing device; 51. a sensor; 52. a flexible circuit board; 60. a sliding belt; 61. opening holes; 70. a control circuit board; 80. a wire rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a display frame detection device for being mounted on a display frame 10, including: the rail 20, one end of the rail 20 is fixed on the frame front 11, and the other end of the rail 20 is fixed on the frame back 12; the fixing assembly 30, the fixing assembly 30 is fixed on the back 12 of the frame; the sliding assembly 40, the sliding assembly 40 includes a sliding device 41 and a clamping piece 42, the sliding device 41 is connected to the fixed assembly 30, and the sliding device 41 is in driving connection with the clamping piece 42; the sensing device 50, the sensing device 50 includes sensor 51 and flexible circuit board 52, and sensor 51 connects in the one end of flexible circuit board 52 for detect the parameter of display picture, and flexible circuit board 52 is fixed on holder 42, and the one end of flexible circuit board 52 and track 20 sliding connection. According to the embodiment of the utility model, the track 20 is arranged on the frame 10, the flexible circuit board 52 is connected with the track 20 in a sliding way, the sensor 51 is arranged at one end of the flexible circuit board 52, the flexible circuit board 52 is driven by the sliding device 41 to move, and the sensor 51 moves along with the flexible circuit board 52, so that the display picture detection device can be hidden on the frame, the detection position can be extended when the display picture detection device needs to be tested, the display picture is detected, and the display picture is retracted to the hidden position after the detection is completed, so that the display picture display is not blocked, the picture display is influenced, the fact that each detection can be fixed at the same position is ensured, and the accuracy of a test value is ensured.

In this embodiment, as shown in fig. 2 and 3, the rail 20 includes an inner rail 21, an arc-shaped rail 211 slidably connected to one end of the flexible circuit board 52 is disposed on the outer side of the inner rail 21, a clamping space 212 is disposed on the inner side of the inner rail 21, and the frame is inserted into the clamping space 212. The design of the arcuate track 211 on the outside of the inner track 21 allows the flexible circuit board 52 to slide smoothly therein and provides some support and guidance to ensure that the flexible circuit board 52 remains stable during movement. Meanwhile, the frame is inserted into the clamping space 212 to fix the rail 20, thereby preventing movement or damage due to vibration.

Further, as shown in fig. 3 to 4, the inner rail 21 includes an inner rail body 213, and first and second inner rail extensions 214 and 215 disposed at both sides of the inner rail body 213. The inner rail 21 is fixed to the frame 10 by simple insertion or fixed connection, and has one end fixed to the frame front 11 and the other end fixed to the frame back 12. The first inner rail extension part 214 and the second inner rail extension part 215 may be integrally provided or fixedly connected with the inner rail body 213, so that stability and reliability of the inner rail 21 are improved, the extension parts may provide a larger supporting area, and structural strength of the inner rail 21 is increased, so that the inner rail is more firmly connected with the frame 10, and thus, can bear a larger load from the flexible circuit board 52 and vibration force during sliding.

Further, as shown in fig. 4, the first and second inner rail extensions 214 and 215 have a height higher than that of the inner rail body 213. By increasing the heights of the first inner rail extension part 214 and the second inner rail extension part 215, the left side and the right side of the inner rail body 213 are limited, a sliding space is formed, the flexible circuit board 52 can only slide in the sliding space, and the sliding stability is improved.

Further, as shown in fig. 3 to 5, the track 20 further includes an outer track 22, and the outer track 22 includes a first outer track 221 and a second outer track 222, where the first outer track 221 and the first inner track extension 214 are fixed on the frame 10 together, and the second outer track 222 and the second inner track extension 215 are fixed on the frame 10 together. In addition to the inner rail 21, the rail 20 comprises an outer rail 22, the outer rail 22 being composed of a first outer rail 221 and a second outer rail 222, which cooperate with the extension of the inner rail 21 to form a complete structure of the entire rail 20. The first outer rail 221 and one end of the first inner rail extension part 214 are fixed on the frame front 11, the first outer rail 221 and the other end of the first inner rail extension part 214 are fixed on the frame back 12, and the stability of the first outer rail 221 and the other end of the first inner rail extension part 214 is ensured through firm connection, so that guiding, positioning and supporting functions are provided for the display screen detection device. Similarly, the second outer rail 222 and one end of the second inner rail extension 215 are fixed on the frame front 11, and the second outer rail 222 and the other end of the second inner rail extension 215 are fixed on the frame back 12, so as to maintain balance and symmetry, and ensure stability and reliability of the rail 20 during operation.

In the embodiment, as shown in fig. 5, the outer rail 22 and the inner rail 21 are detachably fixed on the frame 10 by a connecting piece, alternatively, the detachable connection mode can be realized by a fastening connection, a hinge connection, a pin connection, riveting, and the like besides the connection mode shown in fig. 5 by a screw connection, so that the rail 20 is firmly fixed on the frame 10.

Further, as shown in fig. 4 and 5, the display frame detecting device further includes a sliding belt 60, the sliding belt 60 is fixed on the clamping member 42, one end of the sliding belt 60 is made of a flexible material, one end of the flexible circuit board 52 is relatively fixed with one end of the sliding belt 60, and is slidably connected with the track 20, and one end of the sliding belt 60 is relatively close to the track 20 with respect to one end of the flexible circuit board 52. The slide belt 60 is firmly fixed to the holder 42, ensuring its stability and reliability. One end of the sliding belt 60 is made of a flexible material so that it can slide on the arc-shaped rail 211. One end of the flexible circuit board 52 is fixed relative to the flexible end of the sliding belt 60, and is fixedly connected to the clamping member 42 in a reliable connection manner, so that the clamping member 42 plays a supporting role, and firm combination between the two is ensured. At the same time, a good movement performance is achieved between one end of the sliding belt 60 and the rail 20 by means of a sliding connection, which means that the sliding device 41 can slide and move smoothly on the rail 20, while the sliding belt 60 plays a role of guiding and driving the flexible wiring board 52. One end of the sliding belt 60 is close to the rail 20 relative to one end of the flexible circuit board 52, meaning that the sliding belt 60 is closer to the rail 20, which helps to maintain stability and accuracy of the flexible circuit board 52 during movement, and prevents displacement of the flexible circuit board 52 due to vibration during sliding.

Therefore, the sliding belt 60 is fixed on the clamping member 42 and connected with the flexible circuit board 52, and the sliding belt 60 can ensure the motion stability of the display screen detection device and provide the functions of guiding and driving the flexible circuit board 52, so that the display screen detection device can efficiently operate on the frame 10.

In the present embodiment, the sensor 51 is connected to one end of the flexible circuit board 52, one end of the sliding belt 60 is provided with an opening 61, and the sensor 51 is located at the opening 61. The sensor 51 is a key component responsible for detecting and capturing display screen information, in order to enable the sensor 51 to be tightly combined with the display screen detection device and work normally, an opening 61 is formed at one end of the sliding belt 60, the sensor 51 is located at the opening 61, and the sliding belt 60 is closer to the display than the flexible circuit board 52 because the sensor 51 is located at one side of the flexible circuit board 52 facing the display, so that the sliding belt 60 may shield the sensor 51, so that the opening 61 is designed to perform an avoidance function, and the sensor 51 can detect the display screen normally.

Further, the display screen detection apparatus further includes a control circuit board 70, the control circuit board 70 is fixed on the fixing assembly 30, and the control circuit board 70 is connected to the flexible circuit board 52 through a wire 80. The control circuit board 70 is responsible for the control and signal processing functions of the display screen detection apparatus. To ensure stability and safety of the control circuit board 70, it is fixed to the fixed assembly 30 to ensure reliable connection and to perform control and signal processing operations. The control circuit board 70 and the flexible circuit board 52 are connected through wires 80 to realize circuit transmission and communication between the control circuit board 70 and the flexible circuit board 52, and key control signals and data are allowed to be transmitted between the control circuit board 70 and the flexible circuit board 52 so as to realize data collection of the display picture detection device. Through the control wiring board 70, the user can perform various settings and operations on the display screen detection apparatus, such as calibrating a screen, adjusting detection sensitivity, selecting a signal source, and the like. The control circuit board 70 may also receive feedback information from the sensor 51 for real-time adjustment and optimization of the performance of the display screen detection apparatus.

Further, the sliding device 41 further comprises a driving device 411 and a mounting frame 412, wherein the driving device 411 is mounted on the mounting frame 412, the mounting frame 412 is fixed on the fixing assembly 30, and the driving device 411 is in driving connection with the clamping member 42. The driving device 411 is fixed by being mounted on the mounting frame 412, and the mounting frame 412 is firmly fixed on the fixing assembly 30, ensuring the firmness and stability of the entire sliding device 41. A drive connection is established between the drive means 411 and the clamping element 42 in such a way that the drive means 411 can push the clamping element 42 to move on the inner rail 21 with a driving force. By means of the driving connection, the entire slide device 41 can be positioned and control the movement of the flexible circuit board 52 precisely, enabling an accurate operation of the display screen detecting device. The functions of the driving means 411 include providing thrust, speed and direction control, etc., so that the sliding means 41 can smoothly slide on the rail 20 as needed. By controlling the driving means 411, the user can flexibly adjust the moving speed of the device and ensure the stability and accuracy of the device during the detection.

In this embodiment, as shown in fig. 6, the sliding device 41 further includes a guide post 413 and a sliding table 414, the guide post 413 is mounted on the mounting frame 412, the sliding table 414 is slidably mounted on the guide post 413, the driving device 411 drives and connects the sliding table 414, and the clamping member 42 is connected to the sliding table 414. The guide posts 413 are mounted to the mounting frame 412 and function to provide guidance and support for the slide 41. The guide posts 413 ensure the stability of the slide 41 in the vertical direction and provide an accurate directional guide for the linear movement of the clamp 42. The slide table 414 is a slidable portion of the sliding device 41 slidably mounted on the guide post 413, reducing friction with the guide post 413, so that the slide table 414 can smoothly slide on the guide post 413. The driving device 411 can apply thrust and control the movement of the sliding table 414, and the sliding table 414 can accurately slide along the track 20 of the guide post 413 by controlling the driving device 411. The clamping member 42 is connected to the sliding table 414 and functions to fix and clamp objects such as the sliding belt 60 and the flexible circuit board 52.

In a specific implementation, as shown in fig. 7, which is a schematic diagram of a position of the sensor 51 of the display screen detecting device during testing, in conjunction with fig. 6, the driving device 411 may be a servo motor, where the servo motor (servo motor) is an engine that controls operation of a mechanical element in the servo system, the servo motor may control a speed, and position accuracy is very accurate, and may convert a voltage signal into a torque and a rotation speed to drive a control object, the servo motor is fixed on the fixing component 30, when the servo motor is energized to rotate, the sliding table 414 is driven to make a linear motion by the guide post 413, and when the sliding table 414 makes a linear motion, the clamping piece 42 drives the clamping piece 42 to move together, and the clamping piece 42 clamps the sliding belt 60 to move through the arc track 211, so that the other end of the sliding belt 60 extends from the hidden position.

Further, as shown in fig. 6 and 8, the sensor 51 transmits the collected information (brightness value and color temperature value) of the light to the control circuit board 70 through the circuit and the socket on the flexible circuit board 52, the control circuit board 70 recognizes and processes the chip and transmits the result to the computer for user reference, the sliding belt 60 drives the sensor 51 and the flexible circuit board 52 to move together, when the brightness and color temperature value of the display needs to be detected, the servo motor rotates, the sliding table 414 is driven to move upwards, the part of the clamping piece 42 clamping the back surface of the sliding belt 60 moves upwards together, the part of the back surface of the flexible circuit board 52 moves upwards, and then one end of the flexible circuit board 52 (i.e. one end of the fixed sensor 51) moves downwards to reach the testing position through the arc-shaped track 211. When the sensor 51 reaches the testing position, it starts to collect the brightness and color temperature data displayed on the display screen, and transmits information to the chip of the control circuit board 70 for processing through the flexible circuit board 52 and the wires 80 connecting the flexible circuit board 52 and the control circuit board 70, and transmits the result to the computer for the user to finish the detection task.

In another specific application embodiment, as shown in fig. 6 and 9, when the display screen detecting device is required to be retracted after the test, the servo motor rotates reversely, and drives the sliding table 414 to slide in the opposite direction through the guide post 413, that is, the part of the clamping piece 42 clamping the back of the sliding belt 60 moves downward together, so as to drive the part of the back of the flexible circuit board 52 to move downward, and further, one end of the flexible circuit board 52 (that is, one end of the fixed sensor 51) moves upward to reach the hidden position through the arc-shaped track 211.

In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.

Such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A display screen detection apparatus for mounting on a bezel of a display, comprising:

a fixing assembly fixed to a rear surface of the display;

2. The display screen detection apparatus according to claim 1, wherein the rail includes an inner rail, an arc-shaped rail slidably connected to one end of the flexible circuit board is provided on an outer side of the inner rail, a clamping space is provided on an inner side of the inner rail, and the frame is inserted into the clamping space.

3. The display screen detection apparatus according to claim 2, wherein the inner rail includes an inner rail body and first and second inner rail extensions provided at both sides of the inner rail body.

4. A display screen detection apparatus according to claim 3 wherein the first and second inner rail extensions are higher in height than the inner rail body.

5. The display screen detection apparatus according to claim 3, wherein the rail further comprises an outer rail, the outer rail comprising a first outer rail and a second outer rail, the first outer rail being secured to the bezel along with the first inner rail extension, the second outer rail and the second inner rail extension being secured to the bezel along with the first inner rail extension.

6. The display screen detection apparatus according to claim 1, further comprising: the sliding belt is fixed on the clamping piece, one end of the sliding belt is made of flexible materials, one end of the flexible circuit board is relatively fixed with one end of the sliding belt and is in sliding connection with the track, and one end of the sliding belt is relatively close to the track with one end of the flexible circuit board.

7. The display screen detection apparatus according to claim 6, wherein the sensor is connected to one end of the flexible circuit board, an opening is provided at one end of the sliding belt, and the sensor is located at the opening.

8. The display screen detection apparatus according to claim 1, further comprising: the control circuit board is fixed on the fixed component and is connected with the flexible circuit board through wires.

9. The display screen detection apparatus according to claim 1, wherein the sliding apparatus further comprises a driving apparatus and a mounting frame, the driving apparatus is mounted on the mounting frame, the mounting frame is fixed on the fixing assembly, and the driving apparatus is in driving connection with the clamping member.

10. The display screen detection apparatus according to claim 9, wherein the sliding apparatus further comprises a guide post and a slide table, the guide post is mounted on the mounting frame, the slide table is slidably mounted on the guide post, the driving apparatus is in driving connection with the slide table, and the clamping member is connected with the slide table.