CN212809454U - License plate recognition device - Google Patents
License plate recognition device Download PDFInfo
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- CN212809454U CN212809454U CN202020468462.7U CN202020468462U CN212809454U CN 212809454 U CN212809454 U CN 212809454U CN 202020468462 U CN202020468462 U CN 202020468462U CN 212809454 U CN212809454 U CN 212809454U
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- license plate
- plate recognition
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- recognition device
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000013589 supplement Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000006121 base glass Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a license plate recognition device belongs to the license plate and establishes other equipment field. This license plate recognition device, including base, elevating platform, distance sensor and license plate discernment camera, the elevating platform includes stand and mount pad, the column mouting is in on the base, the rotatable installation of license plate discernment camera is in on the mount pad, distance sensor installs on the stand, stand internally mounted has the lead screw, stand externally mounted has fixed slider, the mount pad is connected on the fixed slider, base internally mounted has driving motor. The beneficial effects of the utility model reside in that, drive the lead screw through driving motor and rotate to drive the mount pad and reciprocate, realize the adjustment to the height of license plate recognition camera, and then make the license plate of orientation vehicle that the license plate recognition camera can be more accurate, reduce the discernment degree of difficulty, improve recognition efficiency.
Description
Technical Field
The utility model relates to a license plate recognition device belongs to the license plate and establishes other equipment field.
Background
The license plate recognition system is a technology capable of detecting vehicles on a monitored road surface and automatically extracting and processing license plate information (containing Chinese characters, English letters, Arabic numbers and license plate colors) of the vehicles. License plate identification is one of important components in modern intelligent traffic systems, and is very widely applied. The method is based on technologies such as digital image processing, mode recognition and computer vision, and analyzes vehicle images or video sequences shot by a camera to obtain a unique license plate number of each vehicle, so that the recognition process is completed. The functions of parking lot charging management, traffic flow control index measurement, vehicle positioning, automobile anti-theft, highway overspeed automatic supervision, red light running electronic police, highway toll stations and the like can be realized through some subsequent processing means. The method has practical significance for maintaining traffic safety and urban public security, preventing traffic jam and realizing automatic traffic management. In the prior art, cameras in the license plate identification device are fixed, the height cannot be adjusted, the license plate cannot be aligned conveniently, and the identification difficulty is high.
Disclosure of Invention
An object of the utility model is to provide a simple structure, convenient to use reduces the license plate recognition device of the discernment degree of difficulty of license plate discernment camera.
In order to achieve the above purpose, the utility model provides a following technical scheme: a license plate recognition device comprises a base, a lifting platform, a distance sensor and a license plate recognition camera, wherein the lifting platform comprises an upright post and a mounting seat, the upright post is mounted on the base, the license plate recognition camera is rotatably mounted on the mounting seat, the distance sensor is mounted on the upright post, a screw rod is mounted inside the upright post, a fixed sliding block is mounted outside the upright post, the mounting seat is connected onto the fixed sliding block, a driving motor is mounted inside the base and connected with the screw rod through a speed reducer, the driving motor is connected with a power supply device, the power supply device is connected onto an external power supply, the output end of the power supply device is further connected with a control center, the control center is in signal connection with the driving motor, and the control center is further in signal connection with a brightness sensor and a light supplement lamp, the brightness sensor and the light supplement lamp are connected to the output end of the power supply device.
Furthermore, a rotating shaft is arranged on the mounting seat, a driving motor is arranged in the mounting seat and used for driving the rotating shaft to rotate, the license plate recognition camera is connected to the rotating shaft, the license plate recognition camera and the rotating motor are connected with the control center through signals, and the license plate recognition camera and the rotating motor are connected to the output end of the power supply device.
Furthermore, a threaded hole matched with the screw rod is formed in the upright post, the threaded hole penetrates through the upright post, and an external thread matched with the threaded hole is formed in the screw rod.
Furthermore, the stand extends outwards and is formed with annular deflector, be a plurality of guiding hole of annular array set up on the deflector a plurality of guide bar of fixedly connected with on the base, the guide bar with the guiding hole one-to-one sets up.
Furthermore, the upper end of the guide rod is provided with a threaded part, a limit bolt is connected to the threaded part through threads, and the guide plate is located between the limit bolt and the base.
Furthermore, the control center is connected with an alarm device through signals, and the alarm device is detachably mounted on the mounting seat.
Further, the light filling lamp is an LED lamp, an installation cavity used for installing the LED lamp is formed in the side face of the installation seat, and toughened glass used for protecting the LED lamp is connected to the outer side of the installation cavity.
Furthermore, a plurality of heat dissipation holes are formed in the top of the installation cavity, the opening direction of the installation cavity is consistent with the orientation of the license plate recognition camera, and the rotation angle of the license plate recognition camera is 0-30 degrees.
Furthermore, the lower end of the base is provided with a universal wheel with a self-locking structure.
Further, a jack is installed at the lower end of the base.
The beneficial effects of the utility model reside in that: the utility model relates to a license plate recognition device, including base, elevating platform, distance sensor and license plate recognition camera, the elevating platform includes stand and mount pad, the column mouting is in on the base, license plate recognition camera is rotatable to be installed on the mount pad, distance sensor installs on the stand, stand internally mounted has the lead screw, the stand externally mounted have solid fixed sliding block, the mount pad is connected on the solid fixed sliding block, base internally mounted has driving motor, drives the lead screw through driving motor and rotates to drive the mount pad and reciprocate, realize the adjustment to license plate recognition camera's height, and then make the license plate of license plate recognition camera orientation vehicle that can be more accurate, reduce the discernment degree of difficulty, improve recognition efficiency.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is the utility model relates to a license plate recognition device's overall structure schematic diagram.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, in a preferred embodiment of the present invention, the license plate recognition device includes a base 1, an elevating platform 2, a distance sensor 3 and a license plate recognition camera 4, wherein the elevating platform 2 includes a column 21 and a mounting seat 22, the column 21 is mounted on the base 1, the license plate recognition camera 4 is rotatably mounted on the mounting seat 22, the distance sensor 3 is mounted on the column 21, a screw 211 is mounted inside the column 21, a fixed slider 212 is mounted outside the column 21, the mounting seat 22 is connected to the fixed slider 212, a driving motor 11 is mounted inside the base 1, the driving motor 11 is connected to the screw 211 through a speed reducer (not shown), the driving motor 11 is connected to a power supply device (not shown) connected to an external power source (not shown), the output end of the power supply device is further connected with a control center (not shown), the control center is in signal connection with the driving motor, the control center is further in signal connection with a brightness sensor 5 and a light supplement lamp 6, and the brightness sensor 5 and the light supplement lamp 6 are both connected to the output end of the power supply device. The screw rod 211 is driven to rotate through the driving motor 11, so that the mounting seat 22 is driven to move up and down, the height of the license plate recognition camera 4 is adjusted, the license plate of the license plate recognition camera 4 can be more accurately positioned towards a vehicle, the recognition difficulty is reduced, and the recognition efficiency is improved.
Referring to fig. 1, in the above embodiment, the mounting base 22 has a rotating shaft 221, a rotating motor 222 for driving the rotating shaft 221 to rotate is disposed inside the mounting base, the license plate recognition camera 4 is connected to the rotating shaft 221, both the license plate recognition camera 4 and the rotating motor 222 are in signal connection with the control center, and both the license plate recognition camera 4 and the rotating motor 222 are connected to the output end of the power supply device.
Referring to fig. 1, in the above embodiment, a threaded hole (not shown) matching with the screw rod 211 is formed in the column 21, the threaded hole penetrates through the column 21, and an external thread (not shown) matching with the threaded hole is formed on the screw rod 211.
Referring to fig. 1, in the above embodiment, the upright 21 extends outward to form an annular guide plate 212, a plurality of guide holes (not shown) are formed in the guide plate 212 in an annular array, a plurality of guide rods 12 are fixedly connected to the base 1, and the guide rods 12 and the guide holes are arranged in a one-to-one correspondence manner.
Referring to fig. 1, in the above embodiment, the upper end of the guide rod 12 has a threaded portion 121, a limit bolt 122 is screwed to the threaded portion 121, and the guide plate 212 is located between the limit bolt 122 and the base 1.
Referring to fig. 1, in the above embodiment, the control center is further connected with an alarm device (not shown) through signals, and the alarm device is detachably mounted on the mounting seat 22.
Referring to fig. 1, in the above embodiment, the light supplement lamp 6 is an LED lamp, an installation cavity 61 for installing the LED lamp is formed in a side surface of the installation base, and tempered glass 62 for protecting the LED lamp is connected to an outer side of the installation cavity 61. The LED lamp is turned on when the brightness sensor 5 detects that the ambient brightness is insufficient, so that the shooting definition is improved.
Referring to fig. 1, in the above embodiment, a plurality of heat dissipation holes (not shown) are formed in the top of the mounting cavity 61, the opening direction of the mounting cavity is consistent with the orientation of the license plate recognition camera 4, and the rotation angle of the license plate recognition camera 4 is 0-30 °.
Referring to fig. 1, in the above embodiment, the lower end of the base 1 is provided with a universal wheel 13 with a self-locking structure.
Referring to fig. 1, in the above embodiment, the lower end of the base 1 is provided with the jack 14.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A license plate recognition device, characterized in that: the license plate recognition device comprises a base, a lifting platform, a distance sensor and a license plate recognition camera, wherein the lifting platform comprises an upright post and a mounting seat, the upright post is mounted on the base, the license plate recognition camera is rotatably mounted on the mounting seat, the distance sensor is mounted on the upright post, a screw rod is mounted inside the upright post, a fixed sliding block is mounted outside the upright post, the mounting seat is connected on the fixed sliding block, a driving motor is mounted inside the base and connected with the screw rod through a speed reducer, the driving motor is connected with a power supply device, the power supply device is connected with an external power supply, the output end of the power supply device is further connected with a control center, the control center is in signal connection with the driving motor, and the control center is further in signal connection with a brightness sensor and a light supplement lamp, the brightness sensor and the light supplement lamp are connected to the output end of the power supply device.
2. The license plate recognition device of claim 1, wherein: the license plate recognition camera is connected with the rotating motor and is connected with a control center signal, and the license plate recognition camera is connected with the rotating motor and is connected with the output end of the power supply device.
3. The license plate recognition device of claim 2, wherein: the screw rod is provided with an external thread matched with the screw hole.
4. The license plate recognition device of claim 3, wherein: the stand extends outwards and is formed with annular deflector, be a plurality of guiding hole of annular array seting up on the deflector a plurality of guide bar of fixedly connected with on the base, the guide bar with the guiding hole one-to-one sets up.
5. The license plate recognition device of claim 4, wherein: the upper end of the guide rod is provided with a threaded part, the threaded part is connected with a limiting bolt through threads, and the guide plate is positioned between the limiting bolt and the base.
6. The license plate recognition device of claim 1, wherein: the control center is further connected with an alarm device through signals, and the alarm device is detachably mounted on the mounting seat.
7. The license plate recognition device of claim 1, wherein: the light filling lamp is an LED lamp, an installation cavity for installing the LED lamp is formed in the side face of the installation seat, and toughened glass for protecting the LED lamp is connected to the outer side of the installation cavity.
8. The license plate recognition device of claim 7, wherein: the mounting cavity is provided with a plurality of heat dissipation holes at the top, the opening direction of the mounting cavity is consistent with the orientation of the license plate recognition camera, and the rotation angle of the license plate recognition camera is 0-30 degrees.
9. The license plate recognition device of claim 1, wherein: the lower end of the base is provided with a universal wheel with a self-locking structure.
10. The license plate recognition device of claim 1, wherein: and a jack is installed at the lower end of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468462.7U CN212809454U (en) | 2020-04-02 | 2020-04-02 | License plate recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468462.7U CN212809454U (en) | 2020-04-02 | 2020-04-02 | License plate recognition device |
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| Publication Number | Publication Date |
|---|---|
| CN212809454U true CN212809454U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020468462.7U Active CN212809454U (en) | 2020-04-02 | 2020-04-02 | License plate recognition device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470235A (en) * | 2021-06-30 | 2021-10-01 | 刘迪 | Intelligent access control system for residential area |
| CN113903089A (en) * | 2021-09-26 | 2022-01-07 | 广州辰创科技发展有限公司 | Vehicle access identification auxiliary device |
| CN117058892A (en) * | 2023-09-01 | 2023-11-14 | 安徽江河智能装备集团有限公司 | A smart parking lot license plate recognition device |
-
2020
- 2020-04-02 CN CN202020468462.7U patent/CN212809454U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470235A (en) * | 2021-06-30 | 2021-10-01 | 刘迪 | Intelligent access control system for residential area |
| CN113903089A (en) * | 2021-09-26 | 2022-01-07 | 广州辰创科技发展有限公司 | Vehicle access identification auxiliary device |
| CN117058892A (en) * | 2023-09-01 | 2023-11-14 | 安徽江河智能装备集团有限公司 | A smart parking lot license plate recognition device |
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