Automatic identification device for truck number of coal ash transportation truck
By designing an automatic identification device for fly ash pull trucks, the automatic lifting rod, sliding groove, moving device, camera, cleaning parts and water spraying parts, the problem of coal ash occlusion failure caused by license plate identification is solved, and the correct Automatic and accurate identification of truck license plates of different heights.
Patent Information
- Application Number
- CN202420300778.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-02-19
AI Technical Summary
When fly ash is pulled into and out of the coal yard, coal ash will block the truck's license plate or camera, resulting in failed identification of license plates.
An automatic identification device for fly ash truck number is designed, including automatic lifting rod, sliding groove, moving device, camera, cleaning component and water spraying component. The camera is driven to move through the sliding part, the rotating part adjusts the camera angle, the first cleaning part scrapes away coal ash, and the second cleaning part flushes the license plate by spraying water to ensure that the license plate is clearly identified.
Automatic identification of license plates of trucks of different heights is realized, and coal ash is effectively removed, improving the accuracy and reliability of license plate recognition.
Smart Images

Figure CN222440049U_ABST
Abstract
Description
Technical Field
[0001] The utility model mainly relates to the technical field of automatic identification, in particular to a vehicle number automatic identification device for fly ash transport trucks. Background Art
[0002] The automatic license plate recognition system is a special computer vision system with car license plates as specific targets. It is one of the important research topics in the application of computer vision and pattern recognition technology in the field of intelligent transportation. The application of automatic license plate recognition technology in intelligent transportation systems is an inevitable development trend of my country's transportation industry and plays a very important role in the rapid development of the national economy.
[0003] According to a truck license plate recognition device for online freight provided in the patent document with application number CN202221310149.6, the device includes a license plate recognition all-in-one machine and a camera fixedly connected to the top of the license plate recognition all-in-one machine, and the top of the license plate recognition all-in-one machine is fixedly connected with a guard and cleaning mechanism that cooperates with the camera; the guard and cleaning mechanism includes a U-shaped seat fixedly connected to the left side of the top of the license plate recognition all-in-one machine, and the top of the U-shaped seat is fixedly connected with a rectangular tube, and a threaded drive assembly is rotatably installed between the inner walls on both sides of the rectangular tube.
[0004] The product in the above patent is convenient for shielding and protecting the camera from dust through a transparent round cover, and automatically and effectively cleans the dust adhering to the outside of the transparent round cover by driving the transparent round cover to rotate and automatically perform dry and wet wiping, and is convenient for quickly and automatically moving the transparent round cover upward, which provides convenience for subsequent personnel to maintain the camera and meets the use requirements. When a fly ash truck enters and leaves a coal yard, the license plate number of the fly ash truck needs to be identified, but there will be a lot of coal ash in the coal yard that blocks the license plate of the fly ash truck or the camera, which will result in the inability to identify the license plate. Utility Model Content
[0005] Based on this, the purpose of the utility model is to provide a vehicle number automatic identification device for fly ash transport trucks to solve the technical problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic identification device for a fly ash truck, comprising a floor, two vertical plates are arranged on the top of the floor, automatic lifting rods are arranged on the side walls of the vertical plates, a sliding groove is embedded on the top of the automatic lifting rod, and a moving device is arranged inside the automatic lifting rod;
[0007] The moving device comprises a slide groove embedded in the bottom of the automatic lifting rod, the side wall of the slide groove is provided with a sliding component, the execution end of the sliding component is provided with a moving block, the side wall of the moving block is provided with two connecting plates, one end of the two connecting plates is provided with a slider, the slider is slidably connected with the automatic lifting rod through the slide groove, and the top of the slider is provided with a monitoring device;
[0008] The monitoring device comprises two fixed plates fixedly connected to the top of the slider, the side walls of the two fixed plates are provided with rotating parts, the execution end of the rotating parts is provided with a camera, the side wall of the camera is provided with a first cleaning part, the top of the camera is provided with a second cleaning part, and the bottom of the camera is provided with a water spraying part.
[0009] Preferably, the sliding component includes a first motor arranged on the side wall of the slide groove, and the execution end of the first motor is provided with a screw rod, and the screw rod and nut are connected to the moving block. In this preferred embodiment, the sliding component can drive the camera to move on the automatic lifting rod.
[0010] Preferably, the rotating component includes a second motor arranged on the side walls of the two fixed plates, and the execution end passes through the side walls of the fixed plates and the rotating plate at the bottom of the camera and extends to the side wall of the other fixed plate. In this preferred embodiment, the rotating component can rotate the camera and can identify truck license plates of different heights.
[0011] Preferably, the first cleaning component includes a third motor fixedly connected to the side wall of the camera, and a scraper is provided at the execution end of the third motor. In this preferred embodiment, the first cleaning component can scrape off the coal dust on the surface of the camera to more clearly identify the truck license plate.
[0012] Preferably, the second cleaning component includes a fourth motor arranged on the top of the camera, the execution end of the fourth motor is provided with a rotating block, and the side wall of the rotating block is provided with a water spray assembly. In this preferred embodiment, the second cleaning component can flush the truck license plate to wash away the coal dust on the license plate and better identify the license plate.
[0013] Preferably, the water spray assembly includes a water tank embedded in the rotating block, the side wall of the water tank is provided with a first micro solenoid valve, the execution end of the first micro solenoid valve is provided with a water spray outlet, and the water tank is connected to a water source through a water pipe. In this preferred embodiment, the water spray assembly can wash the license plate.
[0014] Preferably, the water spray component includes a second micro solenoid valve arranged at the bottom of the camera, the execution end of the second micro solenoid valve is provided with a water outlet, and the second micro solenoid valve is connected to a water source. In this preferred embodiment, the water spray component can spray water on the camera.
[0015] In summary, the utility model mainly has the following beneficial effects:
[0016] The sliding component can drive the camera to move on the automatic lifting rod, the rotating component can rotate the camera, and can identify truck license plates at different heights. The first cleaning component can scrape off the coal dust on the surface of the camera to more clearly identify the truck license plate. The second cleaning component can flush the truck license plate with water to flush off the coal dust on the license plate for better identification of the license plate. The water spray component can flush the license plate, and the water spray component can spray water on the camera. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is an axial view of the utility model;
[0018] Figure 2 It is a cross-sectional view of the sliding component of the utility model;
[0019] Figure 3 This is an axial view of the water spray component of the utility model;
[0020] Figure 4 It is a cross-sectional view of the second cleaning component of the present utility model.
[0021] Description of the drawings: 10. Ground; 11. Vertical plate; 12. Automatic lifting rod; 13. Sliding groove; 20. Moving device; 21. Sliding groove; 22. Sliding component; 221. First motor; 222. Screw rod; 23. Moving block; 24. Connecting plate; 25. Sliding block; 30. Monitoring device; 31. Fixed plate; 32. Rotating component; 321. Second motor; 33. Camera; 34. First cleaning component; 341. Third motor; 342. Scraper; 35. Second cleaning component; 351. Fourth motor; 352. Rotating block; 353. Water spraying assembly; 3531. Water storage tank; 3532. First micro solenoid valve; 3533. Water spraying port; 36. Water spraying component; 361. Second micro solenoid valve; 362. Water outlet. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0023] The following describes an embodiment of the utility model based on its overall structure.
[0024] Example
[0025] Please refer to the attached Figure 1 ,2 As shown in Figures 3, in a preferred embodiment of the utility model, an automatic identification device for a fly ash truck license plate number includes a ground 10, two vertical plates 11 are provided on the top of the ground 10, and automatic lifting rods 12 are provided on the side walls of the vertical plates 11. A sliding groove 13 is embedded on the top of the automatic lifting rod 12, and a moving device 20 is provided inside the automatic lifting rod 12.
[0026] It should be noted that, in this embodiment, when a truck enters the recognition range, the camera 33 recognizes the license plate.
[0027] Please refer to the attached Figure 1 , 2 As shown in Figures 4 and 5, in a preferred embodiment of the utility model, the moving device 20 includes a slide groove 21 embedded in the bottom of the automatic lifting rod 12, the side wall of the slide groove 21 is provided with a sliding component 22, the execution end of the sliding component 22 is provided with a moving block 23, the side wall of the moving block 23 is provided with two connecting plates 24, one end of the two connecting plates 24 is provided with a slider 25, the slider 25 is slidably connected to the automatic lifting rod 12 through the slide groove 13, the top of the slider 25 is provided with a monitoring device 30, the sliding component 22 includes a first motor 221 arranged on the side wall of the slide groove 21, the execution end of the first motor 221 is provided with a screw rod 222, and the screw rod 222 is connected to the moving block 23 by a nut.
[0028] It should be noted that, in this embodiment, when there is dust on the camera 33 and the license plate cannot be recognized, the surface of the camera 33 will be automatically flushed.
[0029] Please refer to the attached Figure 1 , 2As shown in Figures 3, 4, in a preferred embodiment of the utility model, the monitoring device 30 includes two fixed plates 31 fixedly connected to the top of the slider 25, the side walls of the two fixed plates 31 are provided with a rotating component 32, the execution end of the rotating component 32 is provided with a camera 33, the side wall of the camera 33 is provided with a first cleaning component 34, the top of the camera 33 is provided with a second cleaning component 35, the bottom of the camera 33 is provided with a water spray component 36, the rotating component 32 includes a second motor 321 provided on the side walls of the two fixed plates 31 and the execution end passes through the side wall of the fixed plate 31 and the rotating plate at the bottom of the camera 33 and extends to the side wall of the other fixed plate 31, the first cleaning component 34 includes a third motor 341 fixedly connected to the side wall of the camera 33, and the third motor The execution end of the machine 341 is provided with a scraper 342, the second cleaning component 35 includes a fourth motor 351 arranged at the top of the camera 33, the execution end of the fourth motor 351 is provided with a rotating block 352, the side wall of the rotating block 352 is provided with a water spray assembly 353, the water spray assembly 353 includes a water storage tank 3531 embedded in the rotating block 352, the side wall of the water storage tank 3531 is provided with a first micro solenoid valve 3532, the execution end of the first micro solenoid valve 3532 is provided with a water spray port 3533, the water storage tank 3531 is connected to a water source through a water pipe, the water spray component 36 includes a second micro solenoid valve 361 arranged at the bottom of the camera 33, the execution end of the second micro solenoid valve 361 is provided with a water outlet 362, and the second micro solenoid valve 361 is connected to a water source.
[0030] It should be noted that, in this embodiment, the PLC controller receives a signal from the camera 33, opens the valve to introduce water into the water outlet 362 to spray water on the camera 33 from the water outlet 362, and at the same time, the third motor 341 is started to drive the scraper 342 to clean the camera 33, and then closes after cleaning. If the truck license plate is dirty and cannot be recognized, the PLC controller receives a signal from the camera 33, opens the first micro solenoid valve 3532, and introduces water from the water tank 3531 into the water outlet 3533 to wash the license plate, and at the same time starts the first motor 221 to drive the scraper 342 to clean the camera 33. The movable screw rod 222 rotates, the screw rod 222 drives the moving block 23, the moving block 23 drives the connecting plate 24 to move, the connecting plate 24 drives the slider 25 to move in the sliding groove 13, moves to a suitable position and stops, and then the fourth motor 351 is started, driving the water spray assembly 353 on the rotating block 352 to rotate to wash the license plate. After washing, the license plate is identified, and then the automatic lifting rod 12 is driven by the electric mechanism to allow the truck to enter. Sometimes when the truck is higher, the second motor 321 will be started, and the second motor 321 drives the camera 33 to adjust the recognition angle to identify the license plate.
[0031] The working principle of the utility model is:
[0032] The PLC controller model is 'FX5U'.
[0033] When a truck enters the recognition range, the camera 33 recognizes the license plate. When there is dust on the camera 33 and the license plate cannot be recognized, the surface of the camera 33 will be automatically washed. At this time, the PLC controller receives the signal from the camera 33, opens the valve to introduce water into the water outlet 362, and sprays water on the camera 33 from the water outlet 362. At the same time, the third motor 341 starts to drive the scraper 342 to clean the camera 33, and closes after cleaning. If the truck license plate is dirty and cannot be recognized, the PLC controller receives the signal from the camera 33, opens the first micro solenoid valve 3532, and introduces water from the water tank 3531 into the water outlet 3 533 flushes the license plate, and at the same time starts the first motor 221, driving the screw rod 222 to rotate, the screw rod 222 drives the moving block 23, the moving block 23 drives the connecting plate 24 to move, the connecting plate 24 drives the slider 25 to move in the sliding groove 13, moves to a suitable position and stops, and then the fourth motor 351 starts, driving the water spray assembly 353 on the rotating block 352 to rotate to flush the license plate. After flushing, the license plate is identified, and then the automatic lifting rod 12 is driven by the electric mechanism to allow the truck to enter. Sometimes when the truck is higher, the second motor 321 will be started, and the second motor 321 drives the camera 33 to adjust the recognition angle to identify the license plate.
[0034] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. A device for automatically identifying vehicle numbers of fly ash transport trucks, comprising a ground surface (10), characterized in that: Two vertical plates (11) are provided on the top of the floor (10), an automatic lifting rod (12) is provided on the side wall of the vertical plate (11), a sliding groove (13) is embedded on the top of the automatic lifting rod (12), and a moving device (20) is provided inside the automatic lifting rod (12); The moving device (20) comprises a slide groove (21) embedded in the bottom of the automatic lifting rod (12), the side wall of the slide groove (21) is provided with a sliding component (22), the execution end of the sliding component (22) is provided with a moving block (23), the side wall of the moving block (23) is provided with two connecting plates (24), one end of the two connecting plates (24) is provided with a slider (25), the slider (25) is slidably connected to the automatic lifting rod (12) through the slide groove (13), and the top of the slider (25) is provided with a monitoring device (30); The monitoring device (30) comprises two fixed plates (31) fixedly connected to the top of the slider (25), the side walls of the two fixed plates (31) are provided with a rotating component (32), the execution end of the rotating component (32) is provided with a camera (33), the side wall of the camera (33) is provided with a first cleaning component (34), the top of the camera (33) is provided with a second cleaning component (35), and the bottom of the camera (33) is provided with a water spray component (36).
2. The automatic identification device for the vehicle number of a fly ash transport truck according to claim 1 is characterized in that: The sliding component (22) comprises a first motor (221) arranged on the side wall of the slide groove (21); a screw rod (222) is arranged at the execution end of the first motor (221); and the screw rod (222) is connected to the moving block (23) by a nut.
3. The automatic identification device for the vehicle number of a fly ash transport truck according to claim 1 is characterized in that: The rotating component (32) comprises a second motor (321) arranged on the side walls of the two fixed plates (31), and the execution end penetrates the side wall of the fixed plate (31) and the rotating plate at the bottom of the camera (33) and extends to the side wall of the other fixed plate (31).
4. The automatic identification device for the vehicle number of a fly ash transport truck according to claim 1 is characterized in that: The first cleaning component (34) comprises a third motor (341) fixedly connected to the side wall of the camera (33), and a scraper (342) is provided at the execution end of the third motor (341).
5. The automatic identification device for the vehicle number of a fly ash transport truck according to claim 1 is characterized in that: The second cleaning component (35) comprises a fourth motor (351) arranged on the top of the camera (33), the execution end of the fourth motor (351) is provided with a rotating block (352), and the side wall of the rotating block (352) is provided with a water spray assembly (353).
6. The automatic identification device for the vehicle number of a fly ash transport truck according to claim 5, characterized in that: The water spray assembly (353) comprises a water storage tank (3531) embedded in the rotating block (352), a first micro solenoid valve (3532) is provided on the side wall of the water storage tank (3531), a water spray port (3533) is provided at the execution end of the first micro solenoid valve (3532), and the water storage tank (3531) is connected to a water source via a water pipe.
7. The automatic identification device for the vehicle number of a fly ash transport truck according to claim 1 is characterized in that: The water spray component (36) comprises a second micro solenoid valve (361) arranged at the bottom of the camera (33); the execution end of the second micro solenoid valve (361) is provided with a water outlet (362); and the second micro solenoid valve (361) is connected to a water source.
Citation Information
Patent Citations
Truck license plate recognition device for network freight
CN217880550U