CN220206660U - Display flatness measuring device - Google Patents

Abstract

The application provides a display roughness measuring device relates to measuring device technical field. The display flatness measuring device comprises a frame; the measuring module comprises a mounting plate and a sensor arranged on the mounting plate in an array mode, wherein the mounting plate is vertically fixed on the frame to form a measuring station on one side, away from the frame, of the mounting plate, and the sensor is used for collecting the distance between a measuring point of a display on the measuring station and a reference plane. According to the sensor, the sensor with the array structure is arranged on the mounting plate, the mounting plate is vertically fixed on the rack so that the mounting plate deviates from one side of the rack to form a measuring station, and the sensor arranged in the array can collect the height difference between the measuring point and the reference plane on the display to be measured during measurement, so that the measuring efficiency and the measuring precision of the whole flatness of the display are improved.

Description

Display flatness measuring device

Technical Field

The application relates to the technical field of measuring devices, in particular to a display flatness measuring device.

Background

The display has important application in modern society. The display corner distortion affects the position of the touch frame and thus the writing height. For equipment with higher writing height requirements, the flatness requirements of the whole machine are higher. Therefore, in this market context, how to quickly and accurately measure flatness information of a display becomes a focus of concern for manufacturers and applications.

However, at present, for measuring the flatness of a display, a fish wire or a mechanical arm is generally used for measuring the concave or convex value of the surface of the glass, which has the problems that the testing efficiency is low, only the relative flatness of the surface of the glass can be measured, and the flatness of the whole machine cannot be accurately measured.

Disclosure of Invention

The utility model provides a display flatness measuring device, which aims to solve the technical problems that the existing measuring device has low testing efficiency and cannot accurately measure the flatness of the whole machine.

In one aspect, the present application provides a display flatness measurement apparatus, the measurement apparatus comprising:

a frame;

the measuring module comprises a mounting plate and a sensor arranged on the mounting plate in an array mode, wherein the mounting plate is vertically fixed on the frame to form a measuring station on one side, away from the frame, of the mounting plate, and the sensor is used for collecting the distance between a measuring point of a display on the measuring station and a reference plane.

In some embodiments of the present application, the sensor comprises a touch digital sensor.

In some embodiments of the present application, the mounting plate is provided with a mounting hole, and the sensor is disposed in the mounting hole and is in threaded connection with the mounting plate.

In some embodiments of the present application, the measurement module further includes a frame, the mounting plate is fixed on the frame, and the frame is fixedly connected with the frame.

In some embodiments of the present application, the mounting plate is removably coupled to the frame.

In some embodiments of the present application, the frame includes a first upright, a second upright, and a cross bar that extends vertically, where the first upright and the second upright are disposed at intervals, and the cross bar is located between the first upright and the second upright and connects the first upright and the second upright; one surface of the frame, which is away from the measuring station, is fixedly connected with the cross rod.

In some embodiments of the present application, the cross bar comprises a first cross bar and a second cross bar disposed in parallel; the rack further comprises a first connecting rod and a second connecting rod which are arranged in parallel;

the first connecting rod is vertically arranged with the first cross rod, one end of the first connecting rod is fixedly connected with the first cross rod, and the other end of the first connecting rod is fixedly connected with the frame;

the second connecting rod with the second horizontal pole sets up perpendicularly, just the one end of second connecting rod with second horizontal pole fixed connection, the other end of second connecting rod with frame fixed connection.

In some embodiments of the present application, the cross bar is slidably connected to the first upright and the second upright, respectively.

In some embodiments of the present application, the frame further includes a bottom frame, the bottom frame is the level setting, first stand with the one end of second stand respectively with bottom frame fixed connection, the bottom frame deviates from one side of first stand is equipped with the gyro wheel.

In some embodiments of the present application, the measuring device further includes an intelligent terminal, the intelligent terminal is in signal connection with the sensor, and the intelligent terminal is configured to receive a distance signal collected by the sensor, and generate an image according to the distance signal.

The display flatness measuring device comprises a frame; the measuring module comprises a mounting plate and a sensor arranged on the mounting plate in an array mode, wherein the mounting plate is vertically fixed on the frame to form a measuring station on one side, away from the frame, of the mounting plate, and the sensor is used for collecting the distance between a measuring point of a display on the measuring station and a reference plane. According to the sensor, the sensor with the array structure is arranged on the mounting plate, and the mounting plate is vertically fixed on the rack so that the mounting plate is away from one side of the rack to form a measuring station, so that the flatness of the whole display in the vertical state can be measured, and the measuring accuracy is improved. In addition, the sensors arranged in the array can collect the height difference between the measuring points on the display to be measured and the reference plane at the same time, so that the whole flatness measuring efficiency and measuring precision of the display are improved.

Drawings

Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of an embodiment of a display flatness measurement device according to an embodiment of the present application;

FIG. 2 is a schematic structural view of one embodiment of a rack provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an embodiment of a measurement module according to the present disclosure;

fig. 4 is a schematic view of a partial explosion structure of the measurement module in fig. 3.

Reference numerals: 100. a measuring device; 10. a frame; 11. a bottom frame; 111. a left bottom frame; 112. a right bottom frame; 12. a roller; 13. a first upright; 131. a first cross beam; 14. a second upright; 141. a second cross beam; 15. a first cross bar; 151. a first connecting rod; 16. a second cross bar; 161. a second connecting rod; 17. a third cross bar; 171. a third cross beam; 172. a left upright post; 173. a right column; 18. a fourth cross bar; 181. a fourth cross beam; 20. a measurement module; 21. a mounting plate; 211. a mounting hole; 22. a frame; 23. a sensor; 24. and (5) measuring a station.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application 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.

Referring to fig. 1 to 2, an embodiment of the present application provides a display flatness measurement device, where the display flatness includes a frame 10 and a measurement module 20. The display flatness measuring device in the application is simple in structure, and the measuring accuracy and the measuring efficiency are high.

The measuring module 20 comprises a mounting plate 21 and sensors 23 arranged on the mounting plate 21 in an array manner, the mounting plate 21 is vertically fixed on the frame 10 to form a measuring station 24 on one side of the mounting plate 21 away from the frame 10, and the sensors 23 collect the distance between the measuring point of the display on the measuring station 24 and a reference plane.

It should be noted that the array means that the plurality of sensors 23 are arranged in X rows and Y columns on the mounting board 21, where X and Y are positive integers. Specifically, the plurality of sensors 23 are arranged in 9 rows and 15 columns in this application. Of course, in other embodiments of the present application, X may also be 3, 4, 5, 6, 7, 8, 10, etc. Y may be 3, 4, 5, 6, 7, 8, 9, 10, etc. The type of the sensors 23, the number of the sensors 23, the distance between adjacent two sensors 23, and the like may be set as necessary. In general, in the case where the distance between two adjacent sensors 23 is the same, the larger the size of the display, the larger the number of sensors 23, the higher the test efficiency. Preferably, to improve measurement accuracy, the sensor 23 may be a contact digital sensor 23. Of course, in other embodiments of the present application, the sensor 23 may be other sensors 23 capable of being separated from each other, which is not limited herein.

It will be appreciated that the display (i.e. the glass panel of the display) is generally mounted and fixed in a vertical state, and for more accurate and more realistic measurement of the distortion of the display in the use situation, the mounting plate 21 in the present application is fixed on the frame 10 in a vertical state (i.e. the plane in which the mounting plate is located is a vertical plane), so that the mounting plate 21 is away from one side of the frame 10, and a measuring station is formed near the mounting plate 21, so that the measuring device 100 in the present application is suitable for measuring the flatness of the whole machine of the display in a vertical state.

The reference plane in this embodiment refers to: the sensor 23 on the mounting plate 21 is calibrated and calibrated to form a reference plane. Illustratively, when each sensor 23 is at the zero position, a plane formed by the positions of the probes of the plurality of sensors 23 is used as a reference plane (for example, a plane corresponding to X-axis coordinates of 0), which is also referred to as an absolute reference plane. During measurement, the whole machine is pushed to a measuring station 24 of the measuring tool (namely, the panel of the display is close to the sensor 23 on the mounting plate 21 and is opposite to the probe of the sensor 23). Taking the sensor 23 as a contact type digital sensor for example, all the contact type digital sensors are contacted with the glass panel of the display, and each contact type digital sensor reads the distance between the corresponding test point and the reference plane at the moment, so that the distances between a plurality of test points on the glass panel surface of the display and the reference plane, namely the flatness information of the display, are obtained.

In some embodiments of the present application, referring to fig. 3 and 4, the mounting plate 21 has a mounting hole 211, and the sensor 23 is disposed in the mounting hole 211 and is screwed with the mounting plate 21. Specifically, the mounting plate 21 has a rectangular structure, and the mounting plate 21 has mounting holes 211 arranged in an array. The cross-sectional shape of the mounting hole 211 is adapted to the aperture and the cross-sectional shape of the sensor 23. Illustratively, the sensor 23 is cylindrical in configuration and the mounting hole 211 is a circular hole. The probe of the sensor 23 protrudes out of the mounting hole 211 and extends towards the side where the measuring station 24 is located.

In some embodiments of the present application, the measurement module 20 further includes a frame 22, the mounting plate 21 is fixed on the frame 22, and the frame 22 is fixedly connected to the rack 10. Specifically, the frame 22 is a square frame 22, and the shape and size of the frame 22 are adapted to the mounting plate 21. The frame 22 includes 4 rims, and the 4 rims are fixedly connected end to end. The frame is a profile structure, which is beneficial to increasing the structural strength of the frame 22.

In some embodiments of the present application, the mounting plate 21 is detachably connected to the frame 22, and the arrangement can facilitate maintenance and replacement of the sensor 23 on the mounting plate.

In some embodiments of the present application, referring again to fig. 1 and 2, the frame 10 includes a first upright 13, a second upright 14, and a cross bar that extend vertically. The first upright 13 and the second upright 14 are arranged at intervals, and the cross bar is positioned between the first upright 13 and the second upright 14 and connects the first upright 13 and the second upright 14. The side of the frame 22 facing away from the measuring station 24 is fixedly connected to the cross bar.

Further, the cross bar is slidably connected to the first upright 13 and the second upright 14, respectively. For example, the first upright 13 and the second upright 14 may be provided with sliding rails, and two ends of the cross bar are provided with sliding blocks adapted to the sliding rails. This structure sets up can adjust the horizontal pole the height on first stand 13 with the second stand 14 to make the height-adjustable of the mounting panel 21 of fixing on the horizontal pole, can be applicable to the display test of different high positions.

Specifically, the rack 10 further includes a bottom frame 11. The bottom frame 11 is horizontally arranged, and one ends of the first upright posts 13 and the second upright posts 14 are respectively and fixedly connected with the bottom frame 11. The side of the bottom frame 11 facing away from the first upright 13 is provided with a roller 12. This structural arrangement enables the frame 10 to be moved relatively easily.

Further, the number of the bottom frames 11 is 2. The bottom frame 11 is of a rectangular structure, and the 4 vertexes of the bottom frame 11 are respectively provided with a universal roller. The two bottom frames 11 are arranged substantially in parallel, and the longitudinal direction of each bottom frame 11 is arranged perpendicular to the mounting plate 21. For ease of illustration, the left bottom frame 11 is referred to as the left bottom frame 111, and the right bottom frame 11 is referred to as the right bottom frame 112. The number of the first upright posts 13 is 2, and 2 first upright posts are vertically disposed on the long side of the outer side of the left bottom frame 111 and are disposed near the middle. The number of the second upright posts 14 is 2, and 2 second upright posts are vertically disposed on the long side of the outer side of the right bottom frame 112 and are disposed near the middle. The 2 first upright posts and the 2 second upright posts are symmetrically arranged. This configuration facilitates improved stability of the housing 10.

Further, a plurality of first cross beams 131 arranged in parallel are further arranged between the 2 first upright posts 13, for example, the number of the first cross beams 131 is 4. This structure contributes to the strength of the frame 10.

Further, a plurality of second cross beams 141 arranged in parallel are further arranged between the 2 second upright posts, for example, the number of the second cross beams 141 is 4. This configuration is advantageous in improving the strength of the frame 10.

Further, the cross bars comprise a first cross bar 15 and a second cross bar 16 arranged in parallel. The frame 10 further comprises a first connecting rod 151 and a second connecting rod 161 which are arranged in parallel; the first connecting rod 151 is vertically arranged with the first cross rod 15, one end of the first connecting rod 151 is fixedly connected with the first cross rod 15, and the other end of the first connecting rod 151 is fixedly connected with the frame 22; the second connecting rod 161 is perpendicular to the second cross rod 16, one end of the second connecting rod 161 is fixedly connected with the second cross rod 16, and the other end of the second connecting rod 161 is fixedly connected with the frame 22. This arrangement is advantageous in avoiding interference between the chassis 10 and the display mounting structure.

Further, the cross bars also comprise a third cross bar 17 and a fourth cross bar 18 arranged in parallel. The third crossbar 17 is arranged parallel to the first crossbar 15. Illustratively, the number of the third crossbars 17 is 2, 2 third crossbars 17 are disposed parallel to each other, and a plurality of third crossbars 171 are disposed between 2 third crossbars 17. 2 left upright posts 172 are also arranged between the third cross bar 17 and the inner long side of the left bottom frame 111. 2 right upright posts 173 are also arranged between the third cross bar 17 and the inner long side of the right bottom frame 112. And each third cross bar 17 is fixedly connected with one end, close to the bottom frame 11, of the corresponding first upright 13 and the corresponding second upright 14. The fourth cross bars 18 are arranged parallel to the first cross bars 15, and illustratively, the number of the fourth cross bars 18 is 2, the 2 fourth cross bars 18 are arranged parallel to each other, and a plurality of fourth cross bars 181 are arranged between the 2 fourth cross bars 18. Each fourth cross bar 18 is fixedly connected with one end of the first upright 13 and one end of the second upright 14, which end faces away from the bottom frame 11. This structure contributes to the strength of the frame 10. The application of the display device in the embodiments of the present application is not particularly limited, and the display device may be any product or component with a display function, such as a television, a notebook computer, a tablet computer, a wearable display device (e.g., a smart bracelet, a smart watch, etc.), a mobile phone, a virtual reality device, an augmented reality device, a vehicle-mounted display, an advertisement lamp box, etc. In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

Further, the measuring device further comprises an intelligent terminal, the intelligent terminal is in signal connection with the sensor, and the intelligent terminal is used for receiving the distance signal collected by the sensor and generating an image according to the distance signal. It should be noted that the intelligent terminal does not belong to the main improvement point of the present application, and a person skilled in the art may select an appropriate intelligent terminal according to needs. Illustratively, the intelligent terminal may be a computer pre-installed with application software, which may be GT-monitor 2. When the testing tool works, the computer is connected with the sensor through signals, and application software is started to acquire distance signals acquired by the sensor, and the application software generates images according to the acquired distance signals.

The foregoing describes in detail a display flatness measuring device provided in the embodiments of the present application, and specific examples are applied to illustrate the principles and embodiments of the present application, where the foregoing description of the embodiments is only for helping to understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A display flatness measurement apparatus, the measurement apparatus comprising:

a frame;

the measuring module comprises a mounting plate and a sensor arranged on the mounting plate in an array mode, wherein the mounting plate is vertically fixed on the frame to form a measuring station on one side, away from the frame, of the mounting plate, and the sensor is used for collecting the distance between a measuring point of a display on the measuring station and a reference plane.

2. The measurement device of claim 1, wherein the sensor comprises a contact digital sensor.

3. The measuring device of claim 1, wherein the mounting plate has a mounting hole therein, and the sensor is disposed in the mounting hole and is threadably coupled to the mounting plate.

4. The measurement device of claim 1, wherein the measurement module further comprises a frame, the mounting plate being secured to the frame, the frame being fixedly connected to the frame.

5. The measurement device of claim 4 wherein the mounting plate is removably connected to the frame.

6. The measuring device of claim 4, wherein the frame comprises a first upright, a second upright, and a cross bar extending vertically, the first upright and the second upright being spaced apart, the cross bar being positioned between and connecting the first upright and the second upright; one surface of the frame, which is away from the measuring station, is fixedly connected with the cross rod.

7. The measurement device of claim 6, wherein the cross bar comprises a first cross bar and a second cross bar disposed in parallel; the rack further comprises a first connecting rod and a second connecting rod which are arranged in parallel;

the first connecting rod is vertically arranged with the first cross rod, one end of the first connecting rod is fixedly connected with the first cross rod, and the other end of the first connecting rod is fixedly connected with the frame;

the second connecting rod with the second horizontal pole sets up perpendicularly, just the one end of second connecting rod with second horizontal pole fixed connection, the other end of second connecting rod with frame fixed connection.

8. The measuring device of claim 6, wherein the cross bar is slidably coupled to the first post and the second post, respectively.

9. The measuring device of claim 6, wherein the frame further comprises a bottom frame, the bottom frame is horizontally arranged, one ends of the first upright and the second upright are fixedly connected with the bottom frame respectively, and a roller is arranged on one side of the bottom frame away from the first upright.

10. The measurement device of claim 1, further comprising an intelligent terminal in signal communication with the sensor, the intelligent terminal configured to receive the distance signal acquired by the sensor and generate an image based on the distance signal.