License plate recognition all-in-one machine
By designing a switching mechanism and a switching motor in the license plate recognition machine, the position switching of the camera is achieved, and the problem of the camera being easily damaged when the existing license plate recognition machine frequently recognizes coal mine transport vehicles is solved, and the reliability and efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202420701066.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-08
AI Technical Summary
When existing license plate recognition machines frequently identify coal mine transport vehicles, the camera is prone to damage, resulting in a long maintenance time and it is difficult to keep the license plate recognition machine in normal use.
A license plate recognition all-in-one machine is designed, using a switching mechanism and a switching motor. When an identification camera is damaged, the transmission shaft is rotated by the switching motor, and the position of the camera can be switched. The new camera can be replaced at the top of the license plate recognition machine for identification.
It realizes the ability to switch quickly when the camera is damaged, maintains the continuous use of the license plate recognition machine, reduces maintenance time, and improves the reliability and efficiency of the equipment.
Smart Images

Figure CN222462184U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of license plate recognition, and more specifically, to an all-in-one license plate recognition machine. Background Art
[0002] The all-in-one license plate recognition machine for coal mine transportation plays an important role in coal mine transportation management. It is mainly used to identify the license plates of coal mine transportation vehicles to realize automated and efficient vehicle management. When the vehicle passes through the entrance and exit area of the coal mine, the all-in-one license plate recognition machine can automatically capture and identify the license plate number, making it convenient for the transport vehicle to enter or exit.
[0003] Among the existing disclosed technologies, the patent publication number CN212061438U discloses a license plate recognition machine, which is fixedly installed with a lighting device on the surface of a mounting column below a waterproof cover, and a mounting base is fixedly installed at one end of the mounting column, and mounting holes are opened at the four corners of the upper surface of the mounting base. The license plate recognition machine of the utility model can clean up the water mist formed in front of the lens, thereby reducing the failure rate of the license plate recognition machine, and makes the installation of the lighting device more stable, and the lighting device has a certain waterproof function; however, the license plate recognition machine has the following problems in use;
[0004] When the license plate recognition machine performs integrated recognition of coal mine transport license plates, the large number of coal mine transport vehicles will cause the camera of the license plate recognition machine to recognize frequently. Once the camera is damaged, it is necessary to notify maintenance personnel to arrive at the site for repair. This results in a long maintenance time and it is difficult to keep the license plate recognition machine in normal use during the maintenance period. Therefore, a license plate recognition all-in-one machine is needed. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an all-in-one license plate recognition machine.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a license plate recognition integrated machine, comprising a license plate recognition machine, a switching motor and a transmission shaft, wherein the switching motor is located at one side of the license plate recognition machine, the bottom end of the transmission shaft is coaxially connected to the output end of the switching motor, and the top end of the transmission shaft is equipped with a switching mechanism;
[0007] The switching mechanism includes a rotating block installed at the top of the transmission shaft, and rotating bars are fixedly installed on both sides of the outer wall of the rotating block, a concave rotating block is welded at one end of each rotating bar, a connecting support block is welded on the inner wall of the concave rotating block, and an identification camera for license plate recognition is installed at the top of the connecting support block; a linkage sliding column with a circular cross-section is welded at the bottom end of each rotating bar, and a sliding ring is welded on the outer wall of the linkage sliding column.
[0008] Preferably, the cross-sectional shape of the rotating block is set to be circular, the center point of the rotating block and the center point of the transmission shaft are on the same vertical line, the bottom end of the concave rotating block is rotatably connected to the top of the license plate recognition machine, the two rotating bars are symmetrically arranged about the rotating block, a guide slip ring fixedly connected to the license plate recognition machine is installed below the sliding ring, and the guide slip ring and the sliding ring are slidably connected; the outer walls of the sliding ring and the guide slip ring are polished and ground, a support block is fixedly installed between the switching motor and the license plate recognition machine, and the cross-sectional shape of the support block is set to be T-shaped, a display screen is embedded and installed on one side of the license plate recognition machine, and a fill light fixedly connected to the license plate recognition machine is installed below the display screen; the bottom end of the license plate recognition machine is integrally formed with a support bracket by die-casting, and the top cross-sectional area of the support bracket is smaller than the bottom cross-sectional area thereof.
[0009] When the above technical solution is used for identification, when one of the identification cameras is damaged, the switching motor drives the transmission shaft to rotate one hundred and eighty degrees, the transmission shaft drives the rotating block to rotate, the rotating block carries the two rotating bars to rotate, the rotating bars drive the concave rotating block to rotate along the top of the license plate recognition machine, and the connecting support block rotates the identification camera. The two identification cameras can switch positions, so that a new identification camera can be replaced to the top of the license plate recognition machine to replace the damaged identification camera, and the damaged identification camera can be repaired by maintenance personnel.
[0010] Preferably, supporting oblique rods are fixedly installed on the front and rear sides of the license plate recognition machine, and a reinforcement protection component is installed on the top of the supporting oblique rod; the reinforcement protection component includes a reinforcement block installed on the top of the supporting oblique rod, and the bottom end of the supporting oblique rod is fixedly connected to a supporting block, and a transparent protective plate for protecting the license plate recognition machine is fixedly installed on one side of the supporting block, and one side of the transparent protective plate is sequentially penetrated by through holes and fill-light holes from top to bottom.
[0011] When the above technical solution is used for identification, when an object collides with the display screen while an outsider is walking, the support block and the reinforcement block can provide stable reinforcement operation for the transparent protective plate, the through hole can facilitate viewing of the license plate information on the display screen, and the fill light hole can provide fill light for the fill light to avoid damage to the display screen or the fill light caused by external force collision.
[0012] Technical effects and advantages of the utility model:
[0013] 1. The utility model adopts a switching mechanism. When one of the recognition cameras is damaged, the switching motor is started to drive the transmission shaft to rotate 180 degrees, the transmission shaft drives the rotating block to rotate, the rotating block carries two rotating bars to rotate, and the concave rotating block rotates along the top of the license plate recognition machine. The two recognition cameras can switch positions, so that a new recognition camera can be replaced at the top of the license plate recognition machine to replace the damaged recognition camera. The license plate recognition machine can continue to be used normally during maintenance, and the license plate recognition integrated machine can be switched to achieve continuous use;
[0014] 2. The utility model adopts a reinforced protection component. When an object collides with the display screen when an outsider is walking, the supporting diagonal rod provides support force to the reinforcement block, and the supporting diagonal rod simultaneously provides support force to the support block. The support block and the reinforcement block can provide stable reinforcement operation for the transparent protection plate, and can provide protection operation for the display screen and fill light on the license plate recognition machine, thereby improving safety protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model is a main structural schematic diagram of a license plate recognition integrated machine.
[0016] Figure 2 The utility model is a schematic diagram of the side structure of a license plate recognition integrated machine.
[0017] Figure 3 It is a schematic diagram of the partial structure of the connection between the license plate recognition machine and the support block of the utility model.
[0018] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.
[0019] Figure 5 The utility model is a schematic diagram of the structure of a license plate recognition integrated machine when viewed from above.
[0020] Figure 6 It is a schematic diagram of the local structure of the connection between the supporting diagonal rod and the reinforcement block of the utility model.
[0021] The accompanying drawings are marked as follows: 1. License plate recognition machine; 2. Switching motor; 3. Transmission shaft; 4. Rotating block; 5. Rotating bar; 6. Concave rotating block; 7. Connecting support block; 8. Recognition camera; 9. Linkage sliding column; 10. Sliding ring; 11. Guide sliding ring; 12. Support block; 13. Display screen; 14. Fill light; 15. Support bracket; 16. Support diagonal rod; 17. Reinforcement block; 18. Support block; 19. Transparent protective plate; 20. Through hole; 21. Fill light hole. 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] As attached Figure 1-6 The one shown is a license plate recognition integrated machine, which is provided with a switching mechanism. The setting of the switching mechanism enables a new recognition camera 8 to be replaced at the top of the license plate recognition machine 1 to replace the damaged recognition camera 8, so that the license plate recognition machine can continue to be used normally during maintenance. The specific structural setting of the switching mechanism is as follows:
[0024] In this technical solution, as shown in the attached Figure 1-4 As shown, the switching mechanism includes a rotating block 4 installed at the top of the transmission shaft 3, and rotating bars 5 are fixedly installed on both sides of the outer wall of the rotating block 4, and a concave rotating block 6 is welded to one end of each rotating bar 5, and a connecting support block 7 is welded to the inner wall of the concave rotating block 6, and a recognition camera 8 for license plate recognition is installed on the top of the connecting support block 7; a linkage sliding column 9 with a circular cross-section is welded to the bottom end of each rotating bar 5, and a sliding ring 10 is welded to the outer wall of the linkage sliding column 9;
[0025] The method of using the license plate recognition integrated machine in this embodiment is as follows:
[0026] When used for identification, the support bracket 15 supports the license plate recognition machine 1, the fill light 14 performs fill light operation on the license plate of the coal mine transport vehicle, and the recognition camera 8 recognizes the license plate of the coal mine transport vehicle. After recognition, the display screen 13 on the license plate recognition machine 1 displays the license plate information, and the license plate recognition operation can be performed on the transport vehicle;
[0027] During damage switching, when one of the recognition cameras 8 is damaged, the switching motor 2 is started to drive the transmission shaft 3 to rotate one hundred and eighty degrees, so that the support block 12 provides support force for the switching motor 2, and the transmission shaft 3 drives the rotating block 4 to rotate, and the rotating block 4 carries two rotating bars 5 to rotate. The rotating bar 5 drives the concave rotating block 6 to rotate along the top of the license plate recognition machine 1, and the concave rotating block 6 drives the connecting support block 7 to rotate the recognition camera 8. The two recognition cameras 8 can switch positions, so that the new recognition camera 8 can be replaced to the top of the license plate recognition machine 1 to replace the damaged recognition camera 8. In this way, the new recognition camera 8 continues to recognize the license plate, and the damaged recognition camera 8 can be repaired by maintenance personnel. Since the license plate recognition technology belongs to the existing public technology, the principle will not be described in detail.
[0028] In this technical solution, as shown in the attached Figure 1-5 As shown, a guide slip ring 11 fixedly connected to the license plate recognition machine 1 is installed below the slip ring 10, and the guide slip ring 11 is slidably connected to the slip ring 10; the outer walls of the slip ring 10 and the guide slip ring 11 are polished and ground, so that the rotating bar 5 can drive the linkage sliding column 9 to rotate when rotating, and the linkage sliding column 9 drives the sliding ring 10 to rotate synchronously, and the sliding ring 10 slides along the top of the guide slip ring 11 to ensure that the rotating bar 5 can achieve guided stable sliding and ensure that the two recognition cameras 8 can be switched stably. A support block 12 is fixedly installed between the switching motor 2 and the license plate recognition machine 1, and the cross-sectional shape of the support block 12 is set to T-shaped, so that the support block 12 provides the license plate recognition machine 1 The supporting force increases the stability of the support block 12. A display screen 13 is embedded on one side of the license plate recognition machine 1, and a fill light 14 fixedly connected to the license plate recognition machine 1 is installed below the display screen 13; a support bracket 15 is integrally formed at the bottom of the license plate recognition machine 1 by die-casting, and the top cross-sectional area of the support bracket 15 is smaller than the bottom cross-sectional area, so that the fill light 14 can realize fill light operation on the license plate of the coal mine transport vehicle, and the recognition camera 8 can recognize the license plate of the coal mine transport vehicle. After recognition, the display screen 13 on the license plate recognition machine 1 displays the license plate information, and the support bracket 15 provides vertical stable supporting force for the license plate recognition machine 1, thereby increasing the stability of the license plate recognition machine 1.
[0029] In this technical solution, as shown in the attached Figure 1-6 As shown, a support diagonal rod 16 is fixedly installed at the front and rear of the license plate recognition machine 1, and a reinforcement protection component is installed at the top of the support diagonal rod 16; the reinforcement protection component includes a reinforcement block 17 installed at the top of the support diagonal rod 16, and a support block 18 is fixedly connected to the bottom end of the support diagonal rod 16, and a transparent protection plate 19 for protecting the license plate recognition machine 1 is fixedly installed on one side of the support block 18, and a through hole 20 and a fill light hole 21 are sequentially opened through one side of the transparent protection plate 19 from top to bottom;
[0030] According to the upper structure, when an object collides with the display screen 13 while an outsider is walking, the supporting diagonal rod 16 provides supporting force to the reinforcing block 17, and the supporting diagonal rod 16 simultaneously provides supporting force to the supporting block 18, the supporting block 18 and the reinforcing block 17 can provide stable reinforcement operation for the transparent protective plate 19, and the through hole 20 can facilitate viewing of the license plate information of the display screen 13, while the fill light hole 21 can provide fill light for the fill light 14, and can provide protection operation for the display screen 13 and the fill light 14 on the license plate recognition machine 1, to avoid damage to the display screen 13 or the fill light 14 caused by external force collision.
[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.
[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A vehicle license plate recognition integrated machine, comprising a vehicle license plate recognition machine (1), a switching motor (2) and a transmission shaft (3), wherein the switching motor (2) is located on one side of the vehicle license plate recognition machine (1), and the bottom end of the transmission shaft (3) is coaxially connected to the output end of the switching motor (2), characterized in that: A switching mechanism is installed at the top end of the transmission shaft (3); The switching mechanism comprises a rotating block (4) mounted on the top end of the transmission shaft (3), and rotating bars (5) are fixedly mounted on both sides of the outer wall of the rotating block (4), a concave rotating block (6) is welded to one end of each rotating bar (5), a connecting support block (7) is welded to the inner wall of the concave rotating block (6), and an identification camera (8) for license plate identification is mounted on the top end of the connecting support block (7); A linkage sliding column (9) with a circular cross-section is welded to the bottom end of each rotating bar (5), and a sliding ring (10) is welded to the outer wall of the linkage sliding column (9).
2. The all-in-one license plate recognition machine according to claim 1, characterized in that: The cross-sectional shape of the rotating block (4) is set to be circular, and the center point of the rotating block (4) and the center point of the transmission shaft (3) are located on the same vertical line.
3. The all-in-one license plate recognition machine according to claim 1, characterized in that: The bottom end of the concave rotating block (6) is rotatably connected to the top end of the license plate recognition machine (1), and the two rotating bars (5) are symmetrically arranged with respect to the rotating block (4).
4. The all-in-one license plate recognition machine according to claim 1, characterized in that: A guide slip ring (11) fixedly connected to the license plate recognition machine (1) is installed below the slip ring (10), and the guide slip ring (11) is slidably connected to the slip ring (10); The outer walls of the sliding ring (10) and the guide sliding ring (11) are polished and ground.
5. The all-in-one license plate recognition machine according to claim 1, characterized in that: A support block (12) is fixedly installed between the switching motor (2) and the license plate recognition machine (1), and the cross-sectional shape of the support block (12) is set to be T-shaped.
6. The all-in-one license plate recognition machine according to claim 1, characterized in that: A display screen (13) is embedded and installed on one side of the license plate recognition machine (1), and a fill light (14) fixedly connected to the license plate recognition machine (1) is installed below the display screen (13); The bottom end of the license plate recognition machine (1) is integrally formed with a support bracket (15) by die-casting, and the cross-sectional area of the top end of the support bracket (15) is smaller than the cross-sectional area of the bottom end thereof.
7. The all-in-one license plate recognition machine according to claim 1, characterized in that: The front and rear sides of the license plate recognition machine (1) are both fixedly mounted with support diagonal bars (16), and the top ends of the support diagonal bars (16) are mounted with reinforcement protection components; The reinforcement protection component comprises a reinforcement block (17) mounted on the top end of a supporting diagonal rod (16), and the bottom end of the supporting diagonal rod (16) is fixedly connected to a support block (18), and a transparent protection plate (19) for protecting a license plate recognition machine (1) is fixedly mounted on one side of the support block (18), and a through hole (20) and a fill light hole (21) are sequentially penetrated through one side of the transparent protection plate (19) from top to bottom.
Citation Information
Patent Citations
License plate recognition machine
CN212061438U