Automatic identification device for automobile windscreen AB area test

Abstract

The invention, which relates to the technical field of the automobile test, discloses an automatic identification device for an area test of an AB area of an automobile windscreen, and the device specifically comprises a box body, a rotary table, a tubular column, a camera, a driving mechanism, a control unit, an image processing unit, and an area calculation unit. A tubular column capable of being automatically lifted and stored is arranged in a box body, and a camera capable of freely rotating, a relying unit, an image processing unit and an area calculation unit are arranged on the tubular column, so that related images of drawings or front windshield glass of a defrosted and defogged area are automatically acquired through a camera of the camera, and the defrosted and defogged area can be automatically acquired. Then, camera calibration, image preprocessing, contour recognition and image enhancement of an image processing unit and area calculation of an area calculation unit are used for processing the acquired image to obtain a test area; by the adoption of the technical scheme, applicability is high, the device can be suitable for different vehicle types, automation is high, efficiency is high, and errors are small.

Description

Technical Field

[0001] The invention relates to the technical field of automobile testing, in particular to an automatic identification device for testing the AB area of ​​an automobile windshield. Background Art

[0002] GB11555-2009 "Performance Requirements and Test Methods for Automobile Windshield Defrosting Systems" and GB / T24552-2009 "Performance Requirements and Test Methods for Electric Vehicle Windshield Defrosting and Defogging Systems" stipulate the performance requirements and test methods for automobile windshield defrosting systems. The current detection method is: before the test, the windshield AB area and the defrosting and defogging area are drawn on the front windshield of the car using a three-dimensional single-arm measuring and marking instrument, and then the area is drawn on sulfuric acid paper, and the area of ​​the AB area and the defrosting and defogging area is calculated and summed using an area integrator. Using the above method, data processing requires dividing AB and the test area into multiple blocks for separate measurement, calculation and summation. The accumulation of multi-block area measurements leads to large errors;

[0003] The reliability of the planimeter is not high. When working on sulfuric acid paper, the rollers are prone to slipping, resulting in measurement failure. Multiple measurements are required, which is inefficient.

[0004] After the test, two testers are required to repeat the measurement of the measured area, which takes 240 minutes and the processing steps are cumbersome.

[0005] Therefore, the present application proposes an automatic identification device for the AB zone area test of a car windshield. Summary of the invention

[0006] The present invention provides an automatic identification device for an area test of the AB zone of an automobile windshield, aiming to solve the above-mentioned problems.

[0007] To achieve the above-mentioned purpose, the present invention provides an automatic identification device for the area test of the AB zone of an automobile windshield, comprising a box body, a turntable is arranged in the box body, a tube column can be raised and lowered on the turntable, and a camera is rotatably arranged on the upper end of the tube column; a driving mechanism for driving the tube column to be raised and lowered and swung for storage is arranged on the turntable, and a first locking mechanism for locking the turntable rotated to a vertical direction is arranged in the turntable; the driving mechanism drives the tube column to descend to contact the locking mechanism, so as to push the locking rod on the first locking mechanism to retract into the turntable for unlocking, so that the driving mechanism drives the turntable to drive the tubular swing storage into the box body; a second locking mechanism for rotationally locking the tube column is also arranged on the turntable;

[0008] It also includes a control unit, an image processing unit and an area calculation unit. The image processing unit, the area calculation unit and the camera are electrically connected to the control unit respectively.

[0009] The box body is provided with a storage groove; the turntable rotates and is located in the storage groove; the box body is also provided with rollers and a handle for easy movement.

[0010] Preferably, the driving mechanism includes a driving motor, a driving screw, an active bevel gear, a transmission bevel gear and a screw sleeve, wherein the driving motor is arranged in a housing, the driving screw is rotatably arranged on a turntable, the screw sleeve is arranged in a pipe column, and the screw sleeve is connected to the driving screw; the active bevel gear is arranged at the output end of the driving motor, the transmission bevel gear is arranged at the end of the driving screw, and the active bevel gear and the transmission bevel gear are meshed for transmission. A limit rod is also included, one end of which is fixedly arranged on the turntable, and the other end of which is slidably connected to the pipe column.

[0011] Preferably, an annular pressure block is provided at the lower end of the column, an annular groove is provided on the turntable, the arc-shaped piece on the first locking mechanism and the plug rod on the second locking mechanism are located in the annular groove, the annular pressure block is inserted into the annular groove by descending, so as to push the annular piece to drive the locking rod to retract into the turntable for unlocking; a locking groove is provided on the annular pressure block, and the turntable is accommodated and swung to make the push rod on the second locking mechanism disengage from the abutment with the box body to pop out, so that the plug rod is extended and inserted into the locking groove inserted into the annular groove. The first locking mechanism also includes an upper arc plate, a lower arc plate, a guide plate 1, and a spring 1, the upper arc plate is connected to the lower arc plate through a plurality of guide plates 1, a rectangular guide through hole 1 is obliquely provided on the guide plate 1, a guide protrusion 1 is provided at one end of the locking rod, and the guide protrusion 1 is located in the rectangular guide through hole 1; the spring is set on the driving screw, and one end of the spring 1 abuts against the lower arc plate; the annular plate is connected to the upper arc plate through a movable rod that slides through the annular groove. The second locking mechanism also includes an upper plate, a lower plate, a guide plate 2 and a spring 2. The upper plate 2 is connected to the lower plate through a plurality of guide plates 2. A rectangular guide through hole 2 is obliquely provided on the guide plate 2. A guide protrusion 2 is provided at one end of the push rod. The guide protrusion 2 is located in the rectangular guide through hole 2. One end of the spring 2 is connected to the lower plate, and the other end of the spring 2 is connected to the turntable.

[0012] Preferably, the camera is rotatably arranged at the upper end of the column through a stand, a magnetic lock 1 is arranged on the stand, a push plate is arranged at the output end of the magnetic lock 1, and an upper locking protrusion and a lower locking protrusion are arranged on the vertical sides of the push plate end respectively; a lock disk is arranged in the column, and a plurality of lock holes 1 for plugging with the upper locking protrusion may be arranged circumferentially on the lock disk. It also includes a rectangular rod, the driving screw is a screw tube structure, a rectangular groove is axially opened on the driving screw, one end of the rectangular rod is slidably arranged in the rectangular groove, and the other end of the rectangular rod is rotatably arranged in the column through a round block, and a plurality of lock holes 2 for plugging with the lower locking protrusion are arranged circumferentially on the round block. The screw sleeve is rotatably arranged at the bottom of the column through a bearing, a magnetic lock 2 is arranged on the column, and a plurality of lock holes 3 are arranged circumferentially on the outer ring of the screw sleeve, and the output rod of the magnetic lock 2 is elastically plugged with the lock hole 3.

[0013] Compared with the prior art, it has the following beneficial effects:

[0014] By arranging a pipe column that can be automatically lifted and stored in a box body, and arranging a freely rotatable camera on the pipe column, relying on a control unit, an image processing unit and an area calculation unit, the drawing of the defrost and defogging area or the front windshield that has been drawn is automatically collected through the camera of the camera, and then the camera calibration, image preprocessing, contour recognition and image enhancement of the image processing unit, and area calculation of the area calculation unit are used to process the collected image to obtain the test area; the above technical solution has high applicability, can be applied to different models, and has high automation, high efficiency and small error. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the automatic identification device for this application;

[0017] Figure 2 This is a working principle diagram of the automatic identification device for this application;

[0018] Figure 3 This is an axial view of the automatic identification device for this application;

[0019] Figure 4 Schematic diagram of the driving mechanism for this application Figure 1 ;

[0020] Figure 5 Schematic diagram of the driving mechanism for this application Figure 2 ;

[0021] Figure 6 For this application Figure 5 A local enlarged schematic diagram;

[0022] Figure 7 Schematic diagram of the driving mechanism for this application Figure 3 ;

[0023] Figure 8 For this application Figure 7 B is a partial enlarged schematic diagram;

[0024] Fig. 9 A schematic diagram of the lock disk for this application;

[0025] Fig.10 Schematic diagram of the first locking mechanism and the second locking mechanism of this application Figure 1;

[0026] Fig.11 Schematic diagram of the first locking mechanism and the second locking mechanism of this application Figure 2 ;

[0027] Fig.12 A schematic top view of the first locking mechanism and the second locking mechanism of the present application;

[0028] Fig.13 Schematic diagram of the column of the present application.

[0029] Figure numerals: 1-box; 11-storage slot; 2-turntable; 21-annular slot; 3-tube column; 31-annular pressure block; 32-locking slot; 33-locking plate; 4-camera; 41-stand; 5-driving mechanism; 51-driving motor; 52-driving screw; 53-active bevel gear; 54-transmission bevel gear; 55-screw sleeve; 56-limiting rod; 6-first locking mechanism; 61-locking rod; 62-arc-shaped sheet; 63-upper arc-shaped plate; 64-lower arc-shaped plate ;65-guide plate one;66-spring one;67-rectangular guide through hole one;68-guide protrusion one;7-second locking mechanism;71-insert rod;72-push rod;73-upper plate;74-lower plate;75-guide plate two;76-spring two;77-rectangular guide through hole two;78-guide protrusion two;8-magnetic lock one;81-push plate;82-upper locking protrusion;83-lower locking protrusion;9-magnetic lock two;10-rectangular rod;101-round block. DETAILED DESCRIPTION

[0030] In order to make it easier to understand the structure of the present invention and the functional features and advantages that can be achieved, the preferred embodiments of the present invention are described in detail with reference to the drawings as follows:

[0031] Example:

[0032] like Figures 1 to 13 As shown, the present invention provides an automatic identification device for the area test of the AB zone of an automobile windshield, comprising a box body 1, a turntable 2 is arranged in the box body 1, a tube column 3 is arranged on the turntable 2 and can be raised and lowered, and a camera 4 is rotatably arranged on the upper end of the tube column 3; a driving mechanism 5 for driving the tube column 3 to be raised and lowered and swung for storage is arranged on the turntable 2, and a first locking mechanism 6 for locking the turntable 2 rotated to a vertical direction is arranged in the turntable 2; the driving mechanism 5 drives the tube column 3 to descend to contact with the locking mechanism, so as to push the locking rod 61 on the first locking mechanism 6 to retract into the turntable 2 for unlocking, so that the driving mechanism 5 drives the turntable 2 to drive the tubular swing storage into the box body 1; the turntable 2 is also provided with a second locking mechanism 7 for rotationally locking the tube column 3.

[0033] See also Figure 1The box 1 of the present application is also provided with a storage slot 11, and the turntable 2 is rotatably arranged in the storage slot 11 through a bearing. While the driving mechanism 5 drives the column 3 to rise and fall, it can also drive the column 3 to swing and be stored in the storage slot 11 by combining with the first locking mechanism 6. Further, an opening and closing door is provided on the storage slot 11 to seal and protect the stored camera 4. Further, a roller is provided at one end of the box 1, and a handle is provided at the other end of the box 1 to facilitate the movement of the box 1.

[0034] Furthermore, the present application also includes a control unit, an image processing unit and an area calculation unit, and the image processing unit, the area calculation unit and the camera 4 are electrically connected to the control unit respectively.

[0035] The device of the present application automatically identifies and detects the defrosting and defogging area of ​​the automobile windshield by means of machine vision. First, for the drawings or front windshield glass with the defrosting and defogging area already drawn, the camera 4 automatically collects the relevant images, and then uses the camera 4 calibration, image preprocessing, contour recognition and image enhancement of the image processing unit, and area calculation of the area calculation unit and other data processing technologies to further process the collected images, so as to calculate the area of ​​the defrosting and defogging area of ​​the windshield, and display and save the test results through the computer interface.

[0036] See also Figure 5 and Figure 7 The driving mechanism 5 of the present application includes a driving motor 51, a driving screw 52, ​​an active bevel gear 53, a transmission bevel gear 54 and a screw sleeve 55. The driving motor 51 is arranged in the box body 1, the driving screw 52 is rotatably arranged on the turntable 2, the screw sleeve 55 is arranged in the pipe column 3, and the screw sleeve 55 is connected with the driving screw 52; the active bevel gear 53 is arranged at the output end of the driving motor 51, and the transmission bevel gear 54 is arranged at the end of the driving screw 52. The active bevel gear 53 and the transmission bevel gear 54 are meshed and transmitted. The driving motor 51 drives the active bevel gear 53 to drive the transmission bevel gear 54 to rotate, so that the driving screw 52 rotates on the turntable 2, and the pipe column 3 threadably connected to the driving screw 52 through the screw sleeve 55 performs a linear lifting motion under the rotation of its driving screw 52.

[0037] Furthermore, the driving motor 51 of the present application can also be connected to the driving screw 52 through a reducer, and the reducer includes but is not limited to the above-mentioned active bevel gear 53 and transmission bevel gear 54. Furthermore, a rotating plate is provided on one side of the turntable 2 of the present application, and a short shaft is provided in the storage groove 11 of the box body 1, and the center of the short shaft is horizontally opposite to the rotating circle of the active bevel gear 53, so that the active bevel gear 53 can drive the turntable 2 to swing around its center to be stored in the storage groove 11, and can swing around its center to come out of the storage groove 11.

[0038] See also Figure 5 and Fig.13 The present application also includes a limit rod 56, one end of which is fixed on the turntable 2, and the other end of the limit rod 56 is slidably connected to the pipe column 3. When the driving screw 52 is rotated by setting the limit rod 56, the pipe column 3 performs a linear lifting motion under the action of the limit rod 56 to prevent it from rotating on the driving screw 52.

[0039] As another embodiment of the present application, Figure 3 and Figure 4 as well as Fig.13 As shown, the lower end of the pipe column 3 of the present application is provided with an annular pressure block 31, and an annular groove 21 is provided on the turntable 2. The arc-shaped piece 62 on the first locking mechanism 6 and the insertion rod 71 on the second locking mechanism 7 are located in the annular groove 21. The annular pressure block 31 is inserted into the annular groove 21 by descending to push the annular piece to drive the locking rod 61 to retract into the turntable 2 for unlocking; a locking groove 32 is provided on the annular pressure block 31, and the turntable 2 is retracted and swung to make the push rod 72 on the second locking mechanism 7 disengage from the abutment with the box body 1 to pop out, so that the insertion rod 71 is extended and inserted into the locking groove 32 inserted into the annular groove 21.

[0040] See also Figures 10 to 12 The first locking mechanism 6 of the present application also includes an upper arc plate 63, a lower arc plate 64, a guide plate 65, and a spring 66. The upper arc plate 63 is connected to the lower arc plate 64 through a plurality of guide plates 65. A rectangular guide through hole 67 is obliquely provided on the guide plate 65. A guide protrusion 68 is provided at one end of the locking rod 61. The guide protrusion 68 is located in the rectangular guide through hole 67. The spring 66 is sleeved on the driving screw 52. One end of the spring 66 abuts against the lower arc plate 64. The annular sheet is connected to the upper arc plate 63 by a movable rod that slides through the annular groove 21. 3, so that the descending annular pressing block 31 pushes the arc piece 62 by rotating the driving screw rod 52, so that the arc piece 62 relies on the movable rod to push the upper arc plate 63 to drive the guide plate 65 to move downward, so that the guide through hole 1 on the guide plate 65 drives the locking rod 61 to shrink into the turntable 2 through the guide protrusion 168, so as to realize the swing unlocking of the turntable 2, so that the driving motor 51 drives the locked transmission bevel gear 54 to rotate around the center of the active bevel gear 53 through the active bevel gear 53, so as to store the pipe column 3 and the camera 4 on the pipe column 3 into the storage groove 11.

[0041] See also Figures 10 to 12The second locking mechanism 7 of the present application further comprises an upper plate 73, a lower plate 74, a second guide plate 75 and a second spring 76. The upper plate 73 is connected to the lower plate 74 through a plurality of second guide plates 75. A second rectangular guide hole 77 is obliquely arranged on the second guide plate 75. A second guide protrusion 78 is arranged at one end of the push rod 72. The second guide protrusion 78 is located in the second rectangular guide hole 77. One end of the second spring 76 is connected to the lower plate 73, and the other end of the second spring 76 is connected to the turntable 2. By setting the second locking mechanism 7, when the annular pressing block 31 descends to the bottom of the annular groove 21, the arc-shaped piece 62 is pushed to pull the locking rod 61 into the turntable 2. At this time, since the annular pressing block 31 abuts against the bottom of the annular groove 21, the one-way rotation of the driving screw 52 is limited, thereby relying on the rotation of the active bevel gear 53 to drive the turntable 2 that is separated from the jack on the receiving groove 11 to rotate, so that it swings into the receiving groove 11 for storage.

[0042] When the turntable 2 rotates to store, the push rod 72 is separated from the wall surface of one end of the storage groove 11, so that it extends out of the turntable 2 under the action of the second spring 76, and pushes the insertion rod 71 set on the upper plate 73 through the second guide plate 75 to extend out of the bottom of the annular groove 21 to plug into the locking groove 32 on the annular pressing block 31, thereby realizing the bidirectional rotation locking of the driving screw 52, ​​so that when the active bevel gear 53 is reversed, the turntable 2 can be swung out of the storage groove 11 to the vertical direction. When the turntable 2 rotates to the vertical direction, the push rod 72 abuts against the wall surface of one end of the storage groove 11 and shrinks into the turntable 2, thereby driving the insertion rod 71 to shrink and detach from the locking groove 32 on the annular pressing block 31. At this time, with the reverse rotation of the active bevel gear 53, the driving screw 52 rotates in the opposite direction to drive the pipe seat to rise. When the active bevel gear 53 in the present application rotates forward, the driving screw 52 drives the pipe column 3 to descend. When it descends to the bottom, the turntable 2 can be driven to swing and store.

[0043] As another embodiment of the present application, Figure 6 and Figure 8 as well as Fig. 9 As shown, the camera 4 of the present application is rotatably arranged on the upper end of the column 3 through the stand 41, and a magnetic lock 8 is arranged on the stand 41. The output end of the magnetic lock 8 is provided with a push plate 81, and the vertical sides of the end of the push plate 81 are respectively provided with an upper locking protrusion 82 and a lower locking protrusion 83; a lock plate 33 is arranged in the column 3, and a plurality of lock holes 1 for plugging with the upper locking protrusion 82 may be arranged on the lock plate 33 along the circumferential direction. Furthermore, it also includes a camera 4 light source, which is arranged on the stand 41; the camera 4 light source is used to fill light for the camera head of the camera 4.

[0044] See also Figure 7 and Figure 8The present application also includes a rectangular rod 10, and the driving screw 52 is a screw tube structure. A rectangular groove is axially opened on the driving screw 52. One end of the rectangular rod 10 is slidably set in the rectangular groove, and the other end of the rectangular rod 10 is rotatably set in the column 3 through a round block 101. A plurality of locking holes 2 for plugging with the lower locking protrusion 83 are circumferentially arranged on the round block 101.

[0045] See also Figure 5 The screw sleeve 55 of the present application is rotatably arranged at the bottom of the pipe column 3 through a bearing, a magnetic lock 2 9 is arranged on the pipe column 3, and a plurality of lock holes 3 are arranged on the outer ring of the screw sleeve 55 along the circumferential direction, and the output rod of the magnetic lock 2 9 is elastically plugged into the lock hole 3.

[0046] When the output rod on the magnetic lock 2 9 is extended and plugged into the lock hole 3, the rotational freedom of the screw sleeve 55 is locked, so that when the drive screw 52 rotates, the pipe column 3 performs a lifting movement; when the output rod of the magnetic lock 2 9 contracts and disengages from the lock hole 3, the rotational freedom of the screw sleeve 55 is released, and the drive screw 52 rotates while driving the screw sleeve 55 to rotate. At this time, when the output rod on the magnetic lock 1 8 pushes the lower locking protrusion 83 to plug into the lock hole 2 on the round block 101, the drive screw 52 drives the rectangular rod 10 to rotate while relying on the connection established between the magnetic lock 1 8 fixed on the stand 41 and the rectangular rod 10 to drive the camera 4 to adjust the angle; when the output rod on the magnetic lock 1 8 contracts, the lower locking protrusion 83 thereon is disengaged from the lock hole 2 on the round block 101. At this time, the upper locking protrusion 82 is plugged into the lock hole 1 on the lock disk 33 to fix the camera 4 after the angle adjustment. The magnetic lock 1 8 and the magnetic lock 2 9 of the present application are in a linkage relationship. When the output rod of the magnetic lock 2 9 contracts, the output rod of the magnetic lock 1 8 extends out and plugs into the lock hole 2, so that the driving screw 52 drives the stand 41 to rotate; on the contrary, when the output rod of the magnetic lock 2 9 extends out and plugs into the lock hole 3, the output rod of the magnetic lock 1 8 contracts and disengages from the lock hole 2 and plugs into the lock hole 1, so that the driving screw 52 drives the pipe column 3 to perform lifting and lowering movements.

[0047] Specifically, the magnetic lock 1 8 and magnetic lock 2 9 of the present application both include an iron rod with a wire wound around it, a permanent magnet, an output rod and a reset spring, which are arranged in a magnetic base, wherein the reset spring is sleeved on the output rod, the permanent magnet is connected to the output rod, and the permanent magnet is located in front of one end of the iron rod; when the wire is energized, the iron rod is magnetized to attract the permanent magnet, thereby causing the output rod to contract and stretch the reset spring, and when the wire is de-energized, the iron rod is demagnetized to cause the permanent magnet to return to its position under the action of the reset spring to push the output rod out of the magnetic base.

[0048] The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the above technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. An automatic identification device for the AB area test of automobile windshield, characterized in that: The invention comprises a box (1), wherein a turntable (2) is arranged inside the box (1), a tube column (3) is arranged on the turntable (2) so as to be able to be raised and lowered, and a camera (4) is arranged on the upper end of the tube column (3) in a rotatable manner; a driving mechanism (5) is arranged on the turntable (2) for driving the tube column (3) to be raised and lowered and swung for storage, and a first locking mechanism (6) is arranged inside the turntable (2) for locking the turntable (2) rotated to a vertical direction; the driving mechanism (5) drives the tube column (3) to descend so as to contact the locking mechanism, thereby pushing a locking rod (61) on the first locking mechanism (6) to retract into the turntable (2) for unlocking, so that the driving mechanism (5) drives the turntable (2) to drive the tube column (3) to be swung and stored into the box (1); the turntable (2) is also provided with a second locking mechanism (7) for rotatably locking the tube column (3); It also comprises a control unit, an image processing unit and an area calculation unit, wherein the image processing unit, the area calculation unit and the camera (4) are electrically connected to the control unit respectively.

2. The automatic identification device for automobile windshield AB area test according to claim 1 is characterized in that: The driving mechanism (5) comprises a driving motor (51), a driving screw (52), an active bevel gear (53), a transmission bevel gear (54) and a screw sleeve (55); the driving motor (51) is arranged in the housing (1); the driving screw (52) is rotatably arranged on the turntable (2); the screw sleeve (55) is arranged in the pipe column (3); the screw sleeve (55) is connected to the driving screw (52); the active bevel gear (53) is arranged at the output end of the driving motor (51); the transmission bevel gear (54) is arranged at the end of the driving screw (52); the active bevel gear (53) and the transmission bevel gear (54) are meshed and transmitted.

3. The automatic identification device for the AB area test of automobile windshield according to claim 2 is characterized in that: It also comprises a limiting rod (56), one end of which is fixedly arranged on the turntable (2), and the other end of which is slidably connected to the pipe column (3).

4. The automatic identification device for the AB area test of automobile windshield according to claim 2 is characterized in that: An annular pressing block (31) is provided at the lower end of the pipe column (3), an annular groove (21) is provided on the turntable (2), the arc-shaped piece (62) on the first locking mechanism (6) and the insertion rod (71) on the second locking mechanism (7) are located in the annular groove (21), the annular pressing block (31) is inserted into the annular groove (21) by descending, so as to push the annular piece to drive the locking rod (61) to retract into the turntable (2) to unlock; a locking groove (32) is provided on the annular pressing block (31), and the turntable (2) is folded and swung to make the push rod (72) on the second locking mechanism (7) disengage from the contact with the box body (1) and pop out, so that the insertion rod (71) extends out and inserts into the locking groove (32) inserted into the annular groove (21).

5. The automatic identification device for the AB area test of automobile windshield according to claim 4 is characterized in that: The first locking mechanism (6) further comprises an upper arc plate (63), a lower arc plate (64), a guide plate (65), and a spring (66); the upper arc plate (63) is connected to the lower arc plate (64) via a plurality of guide plates (65); a rectangular guide through hole (67) is obliquely provided on the guide plate (65); a guide protrusion (68) is provided at one end of the locking rod (61), and the guide protrusion (68) is located in the rectangular guide through hole (67); the spring (66) is sleeved on the driving screw (52), and one end of the spring (66) is in contact with the lower arc plate (64); the annular plate is connected to the upper arc plate (63) via a movable rod that slides through the annular groove (21).

6. The automatic identification device for automobile windshield AB area test according to claim 4 is characterized in that: The second locking mechanism (7) also includes an upper plate (73), a lower plate (74), a second guide plate (75) and a second spring (76); the second upper plate (73) is connected to the second lower plate (74) through a plurality of second guide plates (75); a second rectangular guide hole (77) is obliquely provided on the second guide plate (75); a second guide protrusion (78) is provided at one end of the push rod (72); the second guide protrusion (78) is located in the second rectangular guide hole (77); one end of the second spring (76) is connected to the lower plate, and the other end of the second spring (76) is connected to the turntable (2).

7. The automatic identification device for the AB area test of automobile windshield according to claim 2 is characterized in that: The camera (4) is rotatably arranged at the upper end of the tube column (3) through a stand (41); a magnetic lock (8) is arranged on the stand (41); a push plate (81) is arranged at the output end of the magnetic lock (8); an upper locking protrusion (82) and a lower locking protrusion (83) are respectively arranged on the vertical sides of the end of the push plate (81); a locking disk (33) is arranged in the tube column (3); a plurality of locking holes (1) for plugging with the upper locking protrusion (82) can be arranged on the circumferential direction of the locking disk (33).

8. The automatic identification device for the AB area test of automobile windshield according to claim 7 is characterized in that: It also includes a rectangular rod (10), the driving screw rod (52) is a screw tube structure, a rectangular groove is axially opened on the driving screw rod (52), one end of the rectangular rod (10) is slidably arranged in the rectangular groove, and the other end of the rectangular rod (10) is rotatably arranged in the pipe column (3) through a round block (101), and a plurality of locking holes are circumferentially arranged on the round block (101) for plugging with the lower locking protrusion (83).

9. The automatic identification device for the AB area test of automobile windshield according to claim 8 is characterized in that: The screw sleeve (55) is rotatably arranged on the inner bottom of the pipe column (3) through a bearing, and a magnetic lock (9) is arranged on the pipe column (3). The outer ring of the screw sleeve (55) is provided with a plurality of lock holes (3) along the circumferential direction, and the output rod of the magnetic lock (9) is elastically plugged into the lock hole (3).

10. The automatic identification device for automobile windshield AB area test according to claim 1, characterized in that: The box body (1) is provided with a storage groove (11); the turntable (2) rotates and is located in the storage groove (11); and the box body (1) is also provided with rollers and a handle.

Images