CN219378057U

CN219378057U - License plate verification device

Info

Publication number: CN219378057U
Application number: CN202320602014.5U
Authority: CN
Inventors: 马鹏; 王明松; 吴超武
Original assignee: Hanzhou Yingtian Scientific Instruments Co ltd
Current assignee: Hanzhou Yingtian Scientific Instruments Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-21
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to a license plate verification device, which comprises the following equipment: frame (16): for providing support and as a device platform; workbench (17): is arranged on the frame (16) and is used for conveying and detecting license plates thereon; license plate information acquisition device (22): the license plate image acquisition module is used for acquiring license plate images; information transmission and comparison device: the system is used for transmitting images and comparing the images with a public security part database; the conveying device (21) is arranged on the workbench (17) and is used for conveying license plates; rejection device (23): is arranged on the side surface of the conveying device (21) and is used for removing unqualified license plates. The utility model has the advantages of reasonable structural design, quick identification, accurate verification, high production efficiency and effective labor saving.

Description

License plate verification device

Technical Field

The utility model relates to a device applied to a factory inspection procedure in the production process of a motor vehicle license plate, in particular to a license plate verification device.

Background

The existing motor vehicle license plate is a legal mark for running on the road of the motor vehicle, and the license plate can be issued after the model and information of the license plate are inspected to be qualified after the production of the license plate is finished. At present, in the production process of motor vehicle license plates in China, factory inspection of the license plates adopts a manual inspection mode, inspection contents comprise license plate numbers, surface defects, reflective film types, sequence marks and the like, and the motor vehicle license plate production process has the advantages of large workload, low efficiency and easiness in error. Along with the reform and development of the motor vehicle license plate manufacturing process, the license plate patterns are more diversified, the anti-counterfeiting information on the license plate is gradually increased, and the production requirement is completely met by means of manual inspection. And the labor is wasted, the production cost is increased, and the production quality is difficult to standardize.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the license plate verification device which has the advantages of reasonable structural design, rapid identification, accurate verification, high production efficiency and effective manual saving.

The technical scheme adopted by the utility model for solving the technical problems is that the license plate verification device is characterized in that: comprising the following equipment

Frame (16): for providing support and as a device platform;

workbench (17): is arranged on the frame (16) and is used for conveying and detecting license plates thereon;

license plate information acquisition device (22): the license plate image acquisition module is used for acquiring license plate images;

information transmission and comparison device: the system is used for transmitting images and comparing the images with a public security part database;

the conveying device (21) is arranged on the workbench (17) and is used for conveying license plates;

rejection device (23): is arranged on the side surface of the conveying device (21) and is used for removing unqualified license plates.

Preferably, the license plate information acquisition device (22) is positioned at the corresponding position of the workbench and is aligned with a license plate, the information transmission and comparison device is connected with the license plate information acquisition device (22) through signals and is used for receiving information acquired by the license plate information acquisition device (22), the information transmission and comparison device is connected with the rejecting device (23) through signals and is used for transmitting a comparison result to the rejecting device (23), and the rejecting device (23) is arranged beside the workbench and can contact with the license plate.

Preferably, the information transmission and comparison device of the utility model is an industrial computer (6),

preferably, the license plate information acquisition device (22) is a vision camera (2).

Preferably, the front proximity sensor (12) and the rear proximity sensor (15) are arranged at positions corresponding to the conveying device (21).

Preferably, the removing device (23) is a sucker mechanism (5), the sucker mechanism (5) is composed of a sliding rail (7), an upper cylinder (4), a lower cylinder (8), a sucker screw (9), a cylinder air inlet (10) and a sucker (11), the sliding rail (7) is arranged on a frame (16) above the conveying device (21), the sliding rail (7) is provided with the left cylinder (8) and the right cylinder (8) which can slide along the sliding rail (7), the sucker (11) is fixedly arranged below the upper cylinder (4) by the sucker screw (9), the left cylinder (8) and the right cylinder (8) control the sliding of the sucker mechanism (5), and the upper cylinder (4) and the lower cylinder (4) are provided with the cylinder air inlet (10) to control the sucker (11) to generate and release suction force.

Preferably, the removing device (23) is a mechanical gripper.

Preferably, the position corresponding to the vision camera (2) is provided with a lighting device (3).

Preferably, the conveying device (21) of the utility model is composed of a first conveying belt (1), a second conveying belt (13) and a speed regulating motor (14), the first conveying belt (1) and the second conveying belt (13) are driven by the speed regulating motor (14), a gap is arranged between the first conveying belt (1) and the second conveying belt (13), and the front proximity sensor (12) and the rear proximity sensor (15) are arranged at the gap.

Compared with the prior art, the utility model has the following advantages and effects:

1. replaces manual inspection, reduces labor intensity and reduces error rate.

2. And automatically eliminating motor vehicle license plates which are unqualified in inspection.

3. The license plate is automatically conveyed, checked and removed, and continuous automatic operation can be realized.

4. The data can be stored and inquired, and the quality tracing is convenient.

5. The standardization of verification can be realized, and the verification precision is higher and more controllable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic view of the structure of the housing of the present utility model.

Fig. 2 is a schematic view of a partially cut-away structure of the present utility model.

FIG. 3 is a schematic view of another partial cross-sectional structure of the present utility model.

Fig. 4 is a schematic structural view of the suction cup mechanism.

Fig. 5 is a schematic structural view of the conveying device.

Description of the reference numerals: the device comprises a first conveying belt 1, a vision camera 2, a lighting device 3, an upper cylinder 4, a lower cylinder 4, a sucker mechanism 5, an industrial computer 6, a sliding rail 7, a left cylinder 8, a right cylinder 8, a sucker screw 9, a cylinder air inlet hole 10, a sucker 11, a front proximity sensor 12, a second conveying belt 13, a speed regulating motor 14, a rear proximity sensor 15, a rack 16, a workbench 17, a conveying device 21, a license plate information acquisition device 22 and a removing device 23.

Detailed Description

The present utility model will be described in further detail with reference to the following examples, which are illustrative of the present utility model and are not intended to limit the present utility model thereto.

Example 1:

as shown in fig. 1 to 5, the present embodiment describes a license plate verification apparatus in which a rack 16 is a frame, the rack 16 is in a rectangular parallelepiped shape, and a horizontal table 17 is provided on the rack 16. The workbench 17 is provided with a first conveying belt 1 and a second conveying belt 13 for conveying the license plates, and the first conveying belt 1 and the second conveying belt 13 are driven by a speed regulating motor 14. A gap is provided between the first conveyor belt 1 and the second conveyor belt 13, and a front proximity sensor 12 and a rear proximity sensor 15 are provided at the gap.

A vision camera 2 is mounted on the frame 16 at a position opposite to the table 17, and an illumination device 3 is provided beside the vision camera 2. The vision camera 2 is electrically connected with the industrial computer 6, and the industrial computer 6 is electrically connected with the front proximity sensor 12, the speed regulating motor 14, the rear proximity sensor 15, the upper cylinder 4, the lower cylinder 4 and the left cylinder 8.

When the operation is started, the speed regulating motor 14 starts to operate, the first conveyor belt 1 and the second conveyor belt 13 rotate simultaneously, the industrial computer 6 is opened to check the upper computer software, and a start check button is clicked. And (3) manually placing finished license plates to be checked on the first conveyor belt 1 and the second conveyor belt 13, and stopping the conveyor belt for 1 second when the license plates run to the front proximity sensor 12. The vision camera 2 starts taking the picture. After the image is uploaded to the background of the public security part through the upper computer software, data comparison is carried out, the comparison is correct, the qualification is judged, the number plate automatically flows into the plate outlet, and verification is completed. When the number plate is subjected to photographing of the contrast data by the vision camera 2, the contrast is incorrect, and the judgment is unqualified; after the unqualified NG signal is sent out, the equipment buzzer gives an audible and visual alarm to prompt that an unqualified license plate exists, and when the license plate reaches the rear proximity sensor 15, the conveyer belt stops for 1 second; the upper cylinder 4 and the lower cylinder 4 of the sucker mechanism 5 move downwards to suck the license plate by the sucker 11, at the moment, the left cylinder 8 and the right cylinder move leftwards to take the license plate out of the conveyor belt and fall into a front unqualified product stacking area, the sucker mechanism 5 returns to the upper part of the conveyor belt again to wait for the next unqualified product to come, and the license plate is sent to the qualified product stacking area after being qualified, and the unqualified license plate is rejected to the unqualified stacking area; in this way, the cycle is completed.

When the license plate needs to be manually checked or unqualified products need to be manually rechecked, the license plate is manually placed under the vision camera 2, license plate information is manually input, and a photographing button at the 6 end of the industrial computer is clicked to photograph; license plate verification completion after submission

The characteristics of this patent application are:

1. after the equipment is started to operate, the license plate is placed on the conveying belt, the license plate is sensed in place through the proximity sensor, the visual camera shoots a picture, the license plate two-dimensional code and the micro two-dimensional code are read, the license plate character information is compared with background data of the public security department, whether the license plate two-dimensional code is qualified or not is judged, the efficiency is high, and the problem that a code gun is manually taken is solved.

2. The manual checking of the sheet by naked eyes is not needed, so that the checking time of staff is shortened, and the checking production efficiency is improved. The superfluous repeated cards are prevented from flowing out, and the cost of customers is reduced; solves the problem that the checking efficiency is slow when a piece of human eyes is used for checking.

3. When the license plate is unqualified, the conveying belt is automatically conveyed to the position of the rejecting manipulator, effective rejection is carried out, and the efficiency is remarkably improved.

4. The verification system comprises an automatic/manual function; when the unqualified license plate is removed and needs to be checked again for confirmation, the unqualified license plate can be checked for a second time or manually input for verification.

In addition, the specific embodiments described in the present specification may differ in terms of parts, shapes of components, names, and the like. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A license plate verification device is characterized in that: comprising the following equipment

Frame (16): for providing support and as a device platform;

2. The license plate verification device according to claim 1, characterized in that: the license plate information acquisition device (22) is located at a corresponding position of the workbench and aims at a license plate, the information transmission and comparison device is connected with the license plate information acquisition device (22) through signals and is used for receiving information acquired by the license plate information acquisition device (22), and the information transmission and comparison device is connected with the rejecting device (23) through signals and is used for sending a comparison result to the rejecting device (23), and the rejecting device (23) is arranged at a position beside the workbench, which can be contacted with a license plate.

3. The license plate verification device according to claim 1, characterized in that: the information transmission and comparison device is an industrial computer (6).

4. The license plate verification device according to claim 1, characterized in that: the license plate information acquisition device (22) is a vision camera (2).

5. The license plate verification device according to claim 1, 2, 3 or 4, characterized in that: a front proximity sensor (12) and a rear proximity sensor (15) are arranged at positions corresponding to the conveying device (21).

6. The license plate verification device according to claim 1, 2, 3 or 4, characterized in that: the utility model provides a sucking disc mechanism (5) is rejected device (23), sucking disc mechanism (5) comprise slide rail (7), upper and lower cylinder (4), left and right cylinder (8), sucking disc screw rod (9), cylinder inlet port (10), sucking disc (11), slide rail (7) set up on frame (16) of conveyer (21) top, slide rail (7) are last to have set up can follow slide rail (7) gliding left and right cylinder (8), upper and lower cylinder (4) below is with sucking disc screw rod (9) fixed mounting on sucking disc (11), control about cylinder (8) control the slip of sucking disc mechanism (5) be provided with cylinder inlet port (10) on upper and lower cylinder (4) and control sucking disc (11) and produce and release suction.

7. The license plate verification device according to claim 1, 2, 3 or 4, characterized in that: the removing device (23) is a mechanical gripper.

8. The license plate verification device according to claim 4, wherein: the lighting device (3) is arranged at the corresponding position of the vision camera (2).

9. The license plate verification device according to claim 5, wherein: the conveying device (21) is composed of a first conveying belt (1), a second conveying belt (13) and a speed regulating motor (14), the first conveying belt (1) and the second conveying belt (13) are driven by the speed regulating motor (14), a gap is formed between the first conveying belt (1) and the second conveying belt (13), and the front proximity sensor (12) and the rear proximity sensor (15) are arranged at the gap.