Calibration device and calibration method of terminal

Abstract

The invention aims to provide calibration equipment and a calibration method for a terminal. The calibration equipment mainly comprises a rotating mechanism, a lifting mechanism, a clamping mechanism, a calibration mechanism and the like, wherein the rotating mechanism is provided with a rotating base station for vertical rotation; the lifting mechanism is arranged on the rotating base station; the clamping mechanism is used for clamping a display screen of a terminal and enabling the display screen to move in the X-axis direction and the Y-axis direction. The calibration mechanism is provided with a probe used for touching the display screen. Compared with the prior art, the calibration device and the calibration method of the terminal provided by the invention have the advantage that the calibration precision of the display screen of the terminal is improved.

Description

Technical Field

[0001] The present invention relates to the field of communications, and in particular to a calibration device and a calibration method for a terminal. Background Art

[0002] In the field of display testing, before the display leaves the factory, it needs to be clamped with a corresponding fixture and then calibrated and tested, such as height zeroing and automatic centering.

[0003] However, in the prior art, there is a difference in the design size of the clamping part of the clamp device for clamping the display screen and the display screen, making it difficult to match display screens of different types and sizes.

[0004] In addition, the existing fixture does not have manual centering, manual height zeroing and other functions, and the control of accuracy needs to rely on computer calculations. In addition, the overall frame of the fixture cannot be disassembled and is large in size, making it difficult to transport in and out of conventional laboratories, and has high requirements for the site.

[0005] Therefore, how to provide a terminal calibration device and a calibration method to improve the calibration accuracy of the terminal display screen is a technical problem that the present invention urgently needs to solve. Summary of the invention

[0006] In view of the above-mentioned shortcomings or deficiencies of the prior art, the technical problem to be solved by the present invention is how to provide a calibration device and a calibration method for a terminal to improve the calibration accuracy of the display screen of the terminal.

[0007] In order to solve the above technical problems, the present invention provides a terminal calibration device, comprising:

[0008] The rotating mechanism is arranged on the detection substrate, and comprises: a rotating base, and a driving mechanism for rotating the rotating base along the Z-axis direction;

[0009] A lifting mechanism disposed on the rotating base;

[0010] A clamping mechanism disposed on the lifting mechanism, used to clamp the terminal and move the terminal along the X-axis and Y-axis directions;

[0011] A calibration mechanism disposed above the rotating mechanism, comprising: a probe for touching the display screen of the terminal, and a pressure gauge connected to the probe and sensing a pressure change of the probe;

[0012] A camera disposed above the detection substrate and used to collect an image of the display screen;

[0013] Among them, when the terminal follows the rotating mechanism to rotate to a preset position, the terminal is moved to a preset calibration position by the clamping mechanism, so that the height of the terminal can be adjusted by the lifting mechanism until the marking point on the display screen contacts the probe, thereby causing the indication of the pressure gauge to change.

[0014] Further preferably, the lifting mechanism includes: a base for being set on the rotating base, and a first lifting assembly and a second lifting assembly which are set on the base and are arranged opposite to each other; wherein, the first lifting assembly and the second lifting assembly both include: a lifting base set on the base, a lifting shaft member threadedly connected to the lifting base, a lifting rail connected to the lifting shaft member and the clamping mechanism, and an adjusting knob connected to the lifting shaft member; and, the adjusting knob is used to rotate the lifting shaft member and drive the lifting rail to move up and down.

[0015] Further preferably, the lifting assembly also includes: a bearing component arranged on the base, a sliding shaft which is slidably connected to the bearing component at one end and connected to the lifting rail at the other end and is used for lifting and lowering movement, and a locking member connected to the bearing component and used to lock the sliding shaft.

[0016] Further preferably, the lifting mechanism also includes: a transmission assembly for connecting the first lifting assembly and the second lifting assembly and making them perform synchronous lifting movements; wherein, the transmission assembly includes: a first synchronous gear sleeved on and connected to the lifting shaft of the first lifting assembly, a second synchronous gear sleeved on and connected to the lifting shaft of the second lifting assembly, and a synchronous toothed belt sleeved on the first synchronous gear and the second synchronous gear.

[0017] Further preferably, the clamping mechanism includes: a first guide rail and a second guide rail which are arranged on the lifting mechanism and are parallel to each other, and a first slide rail assembly and a second slide rail assembly which are perpendicular to and slidably connected to the first guide rail and the second guide rail; wherein, the first slide rail assembly and the second slide rail assembly both include: a slide rail body, and a clamp which is slidably arranged on the slide rail body and slides axially thereof.

[0018] Further preferably, the clamping claws each include: a limiting body slidably disposed on the corresponding sliding body and used to clamp the display screen, and a locking member used to move the limiting body to a preset position for locking.

[0019] Further preferably, a sliding groove is provided on the slide rail body; wherein the locking member includes: a limiting shaft used to be inserted into the sliding groove and threadedly connected to the limiting body, a limiting member connected to the limiting shaft and arranged in the sliding groove, and a locking knob connected to the limiting shaft; wherein the locking knob is used to move the limiting member toward the locking knob when rotated clockwise or counterclockwise, so that the limiting body is locked and connected to the corresponding guide rail.

[0020] Further preferably, the slide groove includes: a through hole groove for penetrating the slide rail body, and a limiting groove connected to the through hole groove and used to be supported by the limiting member; wherein the limiting groove is used to be supported by the limiting member when forming the locking connection.

[0021] Further preferably, the clamping mechanism also includes: a first guide rail brake for locking and releasing the first guide rail and the first slide rail assembly, a second guide rail brake for locking and releasing the second guide rail and the second slide rail assembly, and a lifting bracket that is detachably connected to the first guide rail and the second guide rail, respectively, and is used to support the terminal.

[0022] Preferably, the position limiting body comprises: a sliding part for arranging a locking member, and a bending part connected to the sliding part and capable of being raised and lowered, and a clamping space for inserting a side portion of the terminal is formed between the bending part and the sliding body.

[0023] Further preferably, the driving mechanism includes: a base for fixing on the detection substrate of the detection equipment, a driving motor arranged on the base and used to drive the rotating base to rotate vertically along a first axis, and a swing arm having one end rotatably connected to the base and the other end vertically connected to the rotating base and used to be driven by the driving motor; and the rotating mechanism also includes: a rotating motor arranged on the rotating base and causing the lifting mechanism to rotate horizontally along a second axis.

[0024] Further preferably, the calibration mechanism comprises: a fixed seat connected to the rotating mechanism, and a zero-axis calibration rod connected to the fixed seat and parallel to the rotating base; wherein the zero-axis calibration rod is used to fix the probe and the pressure gauge; and the axial direction of the probe is perpendicular to the rotating base.

[0025] Further preferably, it also includes: a hollow area opened on the detection substrate for forming a rotating space of the rotating base.

[0026] Further preferably, it also includes: a moving platform connected to the camera and used to drive the camera to move in three axes.

[0027] The present application also provides a terminal calibration method, which is calibrated by the calibration device of the terminal, including:

[0028] Setting a marking point on the display screen of the terminal;

[0029] After the terminal is rotated to a preset station, the terminal is moved along the X-axis and the Y-axis to a preset calibration station;

[0030] Calibrate the probe zero height of the calibration mechanism;

[0031] Adjusting the height of the terminal along the Z axis until the marking point displayed on the display screen contacts the probe and causes the indication of the pressure gauge of the calibration mechanism to change;

[0032] The camera is used to obtain images of the display screen when the display screen follows the rotating mechanism to rotate to different positions.

[0033] Further preferably, it includes: attaching a docking mark on a display screen or controlling the display screen to automatically display a mark point, wherein the mark point is the display screen.

[0034] Further preferably, the identification point is an identification piece attached to the display screen or the display screen automatically displays the identification point.

[0035] Further preferably, the terminal is a mobile phone, a tablet computer, a laptop computer, a desktop computer or an all-in-one computer, etc.

[0036] Further preferably, the identification point is an identification piece attached to the display screen or the display screen automatically displays the identification point.

[0037] Compared with the prior art, the terminal calibration device provided in the present application can simplify the structure and facilitate the testing and calibration of the terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0039] Figure 1 : A schematic diagram of the three-dimensional structure of a calibration device for a terminal in the first embodiment of the present invention;

[0040] Figure 2 : Schematic diagram of the exploded structure of the calibration mechanism and the rotating mechanism in the first embodiment of the present invention;

[0041] Figure 3 : A schematic diagram of the assembly of the calibration mechanism and the rotation mechanism in the first embodiment of the present invention;

[0042] Figure 4 : A schematic diagram of the three-dimensional structure of the calibration mechanism in the first embodiment of the present invention;

[0043] Figure 5 : A schematic diagram of the structure of the slide rail body and the clamping claw when they cooperate in the first embodiment of the present invention;

[0044] Figure 6 : A schematic diagram of the side structure of the calibration mechanism in the first embodiment of the present invention.

[0045] Reference numerals:

[0046] Terminal 6, rotating mechanism 10, rotating base 100, base 101, driving motor 102, swing arm 105, rotating motor 103, lifting mechanism 20, base 21, first lifting assembly 22, second lifting assembly 23, lifting base 221, lifting shaft 222, lifting rail 223, adjusting knob 224, bearing component 225, sliding shaft 226, locking member 227, transmission assembly 28, first synchronous gear 281, second synchronous gear 282, synchronous toothed belt 283, clamping mechanism 30, first guide rail 301, The second guide rail 302, the first slide rail assembly 303, the second slide rail assembly 304, the slide rail body 3031, the clamping claw 3032, the limit body 30321, the locking piece 30322, the limit shaft 30322a, the limit piece 30322b, the locking knob 30322c, the slide groove 3033, the through hole groove 30331, the limit groove 30332, the calibration mechanism 40, the probe 400, the fixing seat 401, the zero axis calibration rod 402, the pressure gauge 403, the detection substrate 50, the hollow area 501, the camera 60, and the moving platform 70. DETAILED DESCRIPTION

[0047] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.

[0048] Embodiment 1

[0049] like Figures 1 to 6 As shown, the first embodiment of the present invention provides a terminal calibration device, which is mainly composed of a detection substrate 50, a rotating mechanism 10 arranged on the detection substrate 50 and having a rotating base 100 for rotation, a lifting mechanism 20 arranged on the rotating base 100, a clamping mechanism 30 arranged on the lifting mechanism 20 and used for clamping the terminal 6, a calibration mechanism 40 arranged above the rotating mechanism 10, and a camera 60 arranged above the detection substrate 50 and used for collecting images of the display screen of the terminal 6.

[0050] The rotating mechanism is mainly composed of a rotating base 100 and a driving mechanism for rotating the rotating base 100 along the Z-axis direction.

[0051] like Figure 1 and Figure 6 As shown, the clamping mechanism 30 is used to clamp the terminal 6 and move the terminal 6 along the X-axis and Y-axis directions. The calibration mechanism 40 has a probe 400 for touching the display screen, and a pressure gauge connected to the probe 400 and sensing the pressure change of the probe 400.

[0052] When the terminal 6 follows the rotating mechanism 10 to rotate to the preset position, the terminal 6 is moved to the preset calibration position through the clamping mechanism 30, and the height of the terminal 6 is adjusted through the lifting mechanism 20 until the marking point on the display screen contacts the probe 400, thereby changing the indication of the pressure gauge.

[0053] It can be known from the above contents that: in this embodiment, after the terminal 6 is rotated to the preset work position by the rotating mechanism 10, the clamping mechanism 30 moves the display screen of the terminal 6 to the desired position in the horizontal direction, such as the position of the center point, and the height of the display screen can be adjusted by the lifting mechanism 20 until the display screen touches the probe 400 on the calibration mechanism 40, and the zero calibration processing of the display screen of the terminal 6 can be realized, and the axis corresponding to the zero point of the display screen of the terminal 6 and the head end of the probe 400 is driven by the rotating mechanism 10 to rotate coaxially, so as to facilitate subsequent testing, which greatly reduces the amount of calculation for calculating the spatial coordinates of the display screen after the camera acquires the image of the display screen, and does not need to initialize the calculation of the initial coordinates, thereby reducing the error, reducing the uncertainty of the algorithm calculation, and facilitating the rotating mechanism to shoot the display screen at various angles in the process of driving the terminal 6 to rotate, thereby improving the test accuracy. It can be seen that the above-mentioned device not only simplifies the structure, but also facilitates the test calibration of the terminal 6.

[0054] Specifically, in the process of implementing the above calibration, a calibration point is displayed at the center point of the display screen, and the display screen is moved by the clamping mechanism 30 so that the calibration point is located directly below the probe 400. Then, the display screen is raised and lowered by the lifting mechanism 20 so that the calibration point touches the probe 400 to achieve zero adjustment.

[0055] Specifically, in order to facilitate the adjustment requirements in practical applications, the lifting mechanism 20 in this embodiment can be composed of a base 21 for being set on the rotating base 100, and a first lifting component 22 and a second lifting component 23 which are arranged on the base 21 and are relatively arranged.

[0056] The first lifting assembly 22 and the second lifting assembly 23 both include: a lifting base 221 disposed on the base 21, a lifting shaft 222 threadedly connected to the lifting base 221, a lifting rail 223 connected to the lifting shaft 222 and the clamping mechanism 30, and an adjusting knob 224 connected to the lifting shaft 222. The adjusting knob 224 is used to rotate the lifting shaft 222 and drive the lifting rail 223 to move up and down.

[0057] Further preferably, in order to realize the locking adjustment of the lifting height position of the sliding shaft 226 in the lifting assembly, the above-mentioned lifting assembly also includes: a bearing component 225 arranged on the base 21, a sliding shaft 226 which is slidably connected to the bearing component 225 at one end and connected to the lifting rail 223 at the other end and is used for lifting and lowering movement, and a locking member 227 connected to the bearing component 225 and used to lock the sliding shaft 226.

[0058] Further preferably, the lifting mechanism 20 further includes: a transmission assembly 28 for connecting the first lifting assembly 22 and the second lifting assembly 23 and making them perform synchronous lifting motion; wherein the transmission assembly 28 includes: a first synchronous gear 281 sleeved on and connected to the lifting shaft 222 of the first lifting assembly 22, a second synchronous gear 282 sleeved on and connected to the lifting shaft 222 of the second lifting assembly 23, and a synchronous toothed belt 283 sleeved on the first synchronous gear 281 and the second synchronous gear 282. Through the mutual cooperation of the first synchronous gear 281, the second synchronous gear 282 sleeved on the lifting shaft 222 of the second lifting assembly 23, and the synchronous toothed belt 283 sleeved on the first synchronous gear 281 and the second synchronous gear 282, the lifting shaft 222 in the first lifting assembly 22 and the second lifting assembly 23 can be lifted and lowered synchronously, so as to avoid the tilt of the display screen due to the large lifting error of one side and the difficulty in adjustment.

[0059] Further preferably, the above-mentioned clamping mechanism 30 is mainly composed of a first guide rail 301 and a second guide rail 302 which are arranged on the lifting mechanism 20 and are arranged in parallel, and a first slide rail assembly 303 and a second slide rail assembly 304 which are perpendicular to and slidably connected to the first guide rail 301 and the second guide rail 302, wherein the first slide rail assembly 303 and the second slide rail assembly 304 both include: a slide rail body 3031, a clamping claw 3032 which is slidably arranged on the slide rail body 3031 and slides along its axial direction, etc.

[0060] The clamping claws 3032 respectively provided on the first guide rail 301 and the second guide rail 302 can clamp the four sides of the moving display screen, so that the display screen can be moved to a preset moving position, such as aligning to the center point, to achieve centering processing. In addition, it is worth mentioning that in this embodiment, the number of the clamping claws 3032 is preferably four, and it can also be designed to be two according to actual needs, etc., which will not be described in detail here.

[0061] Further preferably, in order to achieve locking adjustment of the clamping position of the clamping jaw 3032 on the corresponding slide rail body 3031, the clamping jaw 3032 includes: a limiting body 30321 slidably arranged on the corresponding slide rail body 3031 and used to clamp the display screen, and a locking member 30322 used to move the limiting body 30321 to a preset position for locking.

[0062] Further preferably, in order to facilitate the locking of the clamping jaw 3032 and simplify the structure of the clamping jaw 3032, a slide groove 3033 is provided on the slide rail body 3031. In addition, the locking member 30322 includes: a limiting shaft 30322a for inserting into the slide groove 3033 and threadedly connected to the limiting body 30321, a limiting member 30322b connected to the limiting shaft 30322a and disposed in the slide groove 3033, and a locking knob 30322c connected to the limiting shaft 30322a. The locking knob 30322c is used to rotate clockwise or counterclockwise to move the limiting member 30322b toward the locking knob 30322c, so that the limiting body 30321 is locked and connected to the corresponding guide rail.

[0063] Preferably, the position limiting body 30321 is mainly composed of a sliding portion 30321a for setting the locking member 30322, a bending portion 30321b connected to the sliding portion 30321a and capable of being raised and lowered, etc. Moreover, a clamping space for inserting the side of the terminal 6 is formed between the bending portion 30321b and the sliding body 3031.

[0064] When the terminal 6 needs to be calibrated, the knob on the bending part 30321b can be manually adjusted to make the bending part 30321b rise, thereby increasing the gap distance between it and the sliding body 3031. When the terminal 6 needs to be inserted and the terminal 6 is supported on the sliding body 3031, the terminal 6 is moved along the X-axis by moving the sliding body 31, and the terminal 6 is moved on the X-axis by itself, and then the terminal 6 is moved to the corresponding focus position. The knob on the bending part 30321b can be manually adjusted to make the bending part 30321b descend until the terminal 6 is engaged, so as to fix and focus the terminal 6. In addition, in this way, the side of the terminal can be engaged well, and in the process of engaging and adjusting the position of the terminal 6, the terminal 6 can be translated in a direction parallel to the sliding body to ensure the accuracy of the positioning of the terminal 6 in the spatial coordinates. In addition, by making the lower surface of the bending portion 30321b in flat contact with the terminal, or by providing a flexible sheet on the lower surface of the bending portion 30321b to flatly contact the terminal 6, scratches on the surface of the terminal 6 may be avoided during the process of being engaged or moved.

[0065] Further preferably, the slide groove 3033 includes: a through hole groove 30331 for penetrating the slide rail body 3031, and a limit groove 30332 connected to the through hole groove 30331 and used to be abutted by the limit member 30322b. Among them, the limit groove 30332 is used to be abutted by the limit member 30322b when forming a locking connection. Through this structure, the limit axis 30322a of the clamping jaw 3032 can slide at any position in the through hole groove 30331. At the same time, when the locking connection is formed, the knob 30322c can be locked by the knob counterclockwise or clockwise, and the release can be achieved by rotating the knob in the opposite direction without damaging the surface structure of the slide groove 3033. In addition, it is worth mentioning that the limit member 30322b in this embodiment is preferably a hexagonal nut, and its end face is used to abut the limit groove 30332. Obviously, the limiting member 30322b in this embodiment can also be a nut or sliding member in a round or square shape or other shapes, and no specific limitation or elaboration is made here.

[0066] Further preferably, in order to facilitate the locking and releasing of the first slide rail assembly 303 and the second slide rail assembly 304, the above-mentioned clamping mechanism 30 also includes: a first guide rail brake for locking and releasing the first guide rail 301 and the first slide rail assembly 303, a second guide rail brake for locking and releasing the second guide rail 302 and the second slide rail assembly 304, and a lifting bracket (not shown in the figure) that is detachably connected to the first guide rail 301 and the second guide rail 302 and is used to support the terminal 6, etc.

[0067] Further preferably, in order to facilitate the angle adjustment of the display screen in any direction, the driving mechanism includes: a base 101 for fixing on the detection substrate 50 of the detection device, a swing arm 105 with one end rotatably connected to the base 101 and the other end vertically connected to the rotating base 100 and used to be driven by the driving motor 102, and a driving motor 102 disposed on the base 101 and used to drive the rotating base 100 to rotate vertically along the first axis. In addition, the rotating mechanism 10 also includes: a rotating motor 103 disposed on the rotating base 100 and causing the lifting mechanism 20 to rotate horizontally along the second axis.

[0068] Further preferably, the calibration mechanism 40 comprises: a fixed seat 401 connected to the rotating mechanism 10, a zero axis calibration rod 402 connected to the fixed seat 401 and parallel to the rotating base 100, and a pressure gauge 403 connected to the zero axis calibration rod 402 and the probe 400. The axial direction of the probe 400 is perpendicular to the rotating base 100. When the probe 400 touches the display screen, the indication of the pressure gauge 403 changes. Through this structure, the user can achieve zero calibration by only observing the indication on the pressure gauge 403. And because the zero axis calibration rod 402 is connected to the fixed seat 401 and parallel to the rotating base 100, the display screen plane can be aligned with the rotation center axis plane when the display screen is calibrated, so that when the rotating base 100 drives the display screen to rotate, the display screen can always rotate about the rotation center axis.

[0069] In addition, it is worth mentioning that the above-mentioned clamping mechanism 30 and lifting mechanism 20 can be manually adjusted to improve the accuracy and reference of automatic centering and height zeroing through manual alignment, thereby reducing the uncertainty of algorithm calculation.

[0070] In addition, the terminal calibration device provided in the above embodiment is not only easy to disassemble, but also can reduce weight and size without affecting functional accuracy, and has a streamlined and compact structure layout, and is no longer restricted to the site. In addition, the main structural material of the calibration device of terminal 6 in this embodiment is an aluminum profile structure to achieve a lightweight design.

[0071] Further preferably, Figure 5 As shown, the detection substrate 50 is also provided with a hollow area 501 for exposing the rotating base.

[0072] Further preferably, the calibration device of the terminal also includes: a moving platform 70 connected to the camera 60 and used to drive the camera 60 to move in three axes.

[0073] In addition, it is worth mentioning that the hollow area 501 opened on the above-mentioned detection substrate 50 can meet the structural requirements of the middle protrusion of some test equipment.

[0074] Embodiment 2

[0075] The second embodiment further provides a terminal calibration method, which performs calibration by using the terminal calibration device, and includes the following steps:

[0076] Step 1: Setting a mark point on the display screen of terminal 6;

[0077] Step 2: After the terminal 6 is rotated to the preset position, the terminal 6 is moved along the X-axis and the Y-axis to the preset calibration position;

[0078] Step 3: Calibrate the zero height of the probe of the calibration mechanism;

[0079] Step 4: Adjust the height of the terminal 6 along the Z axis until the mark point displayed on the display screen contacts the probe and the indication of the pressure gauge of the calibration mechanism changes;

[0080] Step 5: Use the camera to obtain images of the display screen as it rotates to different positions following the rotating mechanism.

[0081] The above steps can realize the zeroing calibration processing of the display screen of terminal 6, and the display screen of terminal 6 and the axis corresponding to the zero point of the head end of probe 400 are driven to rotate coaxially through the rotating mechanism 10, so as to facilitate subsequent testing. This greatly reduces the amount of calculation for calculating the spatial coordinates of the display screen after the camera acquires the image of the display screen, and there is no need to initialize the initial coordinates, thereby reducing errors and reducing the uncertainty of algorithm calculations. It also facilitates the shooting of the display screen at various angles by the rotating mechanism while driving the terminal 6 to rotate, thereby improving the test accuracy.

[0082] Further preferably, the above-mentioned marking point is a marking point automatically displayed on the display screen, so as to achieve more accurate focusing and reduce manual errors. Of course, the marking point can also be used as a marking point by a marking piece attached to the display screen to facilitate focusing.

[0083] The above embodiments are only used to illustrate the technical solution of the present invention but not to limit it. The present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, and all should be included in the scope of the claims of the present invention.

Claims

1. A terminal calibration device, characterized in that: include: The rotating mechanism is arranged on the detection substrate, and comprises: a rotating base, and a driving mechanism for rotating the rotating base along the Z-axis direction; A lifting mechanism disposed on the rotating base; A clamping mechanism disposed on the lifting mechanism, used to clamp the terminal and move the terminal along the X-axis and Y-axis directions; A calibration mechanism disposed above the rotating mechanism, comprising: a probe for touching the display screen of the terminal, and a pressure gauge connected to the probe and sensing a pressure change of the probe; A camera disposed above the detection substrate and used to collect an image of the display screen; Among them, when the terminal follows the rotating mechanism to rotate to a preset position, the terminal is moved to a preset calibration position by the clamping mechanism, so that the height of the terminal can be adjusted by the lifting mechanism until the marking point on the display screen contacts the probe, thereby causing the indication of the pressure gauge to change.

2. The terminal calibration device according to claim 1, characterized in that: The lifting mechanism includes: a base for being arranged on the rotating base, and a first lifting assembly and a second lifting assembly which are arranged on the base and are arranged opposite to each other; wherein the first lifting assembly and the second lifting assembly both include: a lifting base arranged on the base, a lifting shaft which is threadedly connected to the lifting base, a lifting rail connected to the lifting shaft and the clamping mechanism, and an adjusting knob connected to the lifting shaft; and the adjusting knob is used to rotate the lifting shaft and drive the lifting rail to move up and down.

3. The terminal calibration device according to claim 2, characterized in that: The lifting assembly also includes: a bearing component arranged on the base, a sliding shaft with one end slidably connected to the bearing component and the other end connected to the lifting rail and used for lifting movement, and a locking member connected to the bearing component and used to lock the sliding shaft.

4. The terminal calibration device according to claim 2, characterized in that: The lifting mechanism also includes: a transmission assembly for connecting the first lifting assembly and the second lifting assembly and making them perform synchronous lifting movements; wherein the transmission assembly includes: a first synchronous gear sleeved on and connected to the lifting shaft of the first lifting assembly, a second synchronous gear sleeved on and connected to the lifting shaft of the second lifting assembly, and a synchronous toothed belt sleeved on the first synchronous gear and the second synchronous gear.

5. The terminal calibration device according to claim 1, characterized in that: The clamping mechanism includes: a first guide rail and a second guide rail which are arranged on the lifting mechanism and are arranged in parallel, and a first slide rail assembly and a second slide rail assembly which are perpendicular to and slidably connected to the first guide rail and the second guide rail; wherein, the first slide rail assembly and the second slide rail assembly both include: a slide rail body, and a clamp which is slidably arranged on the slide rail body and slides axially thereof.

6. The terminal calibration device according to claim 5, characterized in that: The clamps all include: a limiting body slidably arranged on the corresponding sliding body and used to clamp the display screen, and a locking member used to move the limiting body to a preset position for locking; a slide rail body is provided with a slide groove; wherein the locking member includes: a limiting shaft used to be inserted into the slide groove and threadedly connected to the limiting body, a limiting member connected to the limiting shaft and arranged in the slide groove, and a locking knob connected to the limiting shaft; wherein the locking knob is used to move the limiting member toward the locking knob when it is rotated clockwise or counterclockwise, so that the limiting body is locked and connected to the corresponding guide rail.

7. The terminal calibration device according to claim 6, characterized in that: The slide groove includes: a through hole groove for penetrating the slide rail body, and a limiting groove connected to the through hole groove and used to be abutted by the limiting member; wherein the limiting groove is used to be abutted by the limiting member when the locking connection is formed; And / or the limiting body includes: a sliding part for setting a locking member, and a bending part connected to the sliding part and capable of being raised and lowered; and a clamping space for inserting a side portion of the terminal is formed between the bending part and the sliding body.

8. The terminal calibration device according to claim 5, characterized in that: The clamping mechanism also includes: a first guide rail brake for locking and releasing the first guide rail and the first slide rail assembly, a second guide rail brake for locking and releasing the second guide rail and the second slide rail assembly, and a lifting bracket that is detachably connected to the first guide rail and the second guide rail respectively and is used to support the terminal.

9. The terminal calibration device according to claim 1, characterized in that: The driving mechanism includes: a base for fixing on the detection substrate of the detection equipment, a driving motor arranged on the base and used to drive the rotating base to rotate vertically along a first axis, and a swing arm with one end rotatably connected to the base and the other end vertically connected to the rotating base and used to be driven by the driving motor; and the rotating mechanism also includes: a rotating motor arranged on the rotating base and causing the lifting mechanism to rotate horizontally along a second axis.

10. The terminal calibration device according to claim 1, characterized in that: The calibration mechanism comprises: a fixed seat connected to the rotating mechanism, and a zero-axis calibration rod connected to the fixed seat and parallel to the rotating base; wherein the zero-axis calibration rod is used to fix the probe and the pressure gauge; and the axial direction of the probe is perpendicular to the rotating base.

11. The terminal calibration device according to claim 1, characterized in that: Also includes: A hollow area provided on the detection substrate for forming a rotating space of the rotating base; And / or a mobile platform connected to the camera and used to drive the camera to move in three axes.

12. A terminal calibration method, characterized in that: It is characterized in that Calibration is performed by using the calibration device of the terminal according to any one of claims 1 to 11, comprising: Setting a marking point on the display screen of the terminal, wherein the marking point is a marking piece attached to the display screen or the display screen automatically displays the marking point; After the terminal is rotated to a preset station, the terminal is moved along the X-axis and the Y-axis to a preset calibration station; Calibrate the probe zero height of the calibration mechanism; Adjusting the height of the terminal along the Z axis until the marking point displayed on the display screen contacts the probe and causes the indication of the pressure gauge of the calibration mechanism to change; The camera is used to obtain images of the display screen when the display screen follows the rotating mechanism to rotate to different positions.

Images