CN208954337U - A kind of parking lot Vehicle License Plate Recognition System - Google Patents
A kind of parking lot Vehicle License Plate Recognition System Download PDFInfo
- Publication number
- CN208954337U CN208954337U CN201822050821.2U CN201822050821U CN208954337U CN 208954337 U CN208954337 U CN 208954337U CN 201822050821 U CN201822050821 U CN 201822050821U CN 208954337 U CN208954337 U CN 208954337U
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- Prior art keywords
- license plate
- information
- plate recognition
- video camera
- parking lot
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Abstract
The utility model discloses a kind of parking lot Vehicle License Plate Recognition Systems, including industrial personal computer, vehicle detection apparatus, banister and license plate recognition device, license plate recognition device includes video camera and position-regulation portion point, video camera setting is in position-regulation portion point, position-regulation portion point includes lateral adjustment and angle adjusting mechanism, the linear displacement transducer of detection ball screw assembly, shift position is equipped in lateral adjustment, angle adjusting mechanism is equipped with the angle displacement sensor for detecting the rotary cylinder or shaft rotary corner, linear displacement transducer and angle displacement sensor are electrically connected with industrial personal computer respectively.The invention also discloses a kind of control methods of parking lot Vehicle License Plate Recognition System.Compared with prior art, after long-term repeatedly statistics, the utility model method can be derived that the location informations such as preferred, less preferred of video camera, and the quick adjusting of camera position is realized by these location informations, greatly improve the efficiency that video camera is clearly shot.
Description
Technical field
The utility model relates to a kind of parking lot Vehicle License Plate Recognition Systems, belong to parking lot Car license recognition field.
Background technique
With the development of the social economy, Urban vehicles poputation increases rapidly, make community parking field and Public Parking
Demand greatly increase.At open parking ground or Entrance to Basement Parking, it generally can be all provided with Vehicle License Plate Recognition System, be
After system identification license plate, control railing is opened, and vehicles discharging is entered.During this, the identification technology of license plate is extremely important,
It is the image captured to be found license plate number by software analysis, and extracted using image recognition technology that it, which is acted on,
As the identification code of vehicle, to carry out the management activitys such as candid photograph, Car park payment violating the regulations.But since motor vehicle is various each
Sample, the hanging position of license plate is also different (such as height), at the same each car parking lot entrance driving information not yet
With (such as position of traveling deviation major trunk roads), and the camera position at parking lot entrance is usually fixation, is not easy to
It adjusts, therefore for the shooting of different vehicle during taking pictures, due to angle problem, cannot often identify license plate number well
Code, and then will affect the disengaging efficiency of vehicle.
Utility model content
For the problems in background technique, the purpose of this utility model is that: a kind of parking lot Vehicle License Plate Recognition System is provided,
The camera site of video camera can be automatically adjusted, can quickly and clearly shoot the license plate number of different vehicle, improves vehicle
Traffic efficiency.
The technical solution of the utility model is: a kind of parking lot Vehicle License Plate Recognition System, including industrial personal computer, vehicle detection dress
It sets, the vehicle detection apparatus, banister and vehicle identification dress is electrically connected in banister and license plate recognition device, the industrial personal computer
It sets, the vehicle detection apparatus and the banister are all set in parking lot entrance lane, and the license plate recognition device is arranged
In on the banister or entrance lane one side edge,
The license plate recognition device includes video camera and position-regulation portion point, and the video camera setting is adjusted in the position
On part, the position-regulation portion point includes lateral adjustment and angle adjusting mechanism;Wherein,
The lateral adjustment includes driving motor, ball-screw, ball screw assembly, and two sliding rails, the driving motor
It is electrically connected with the industrial personal computer, and the motor shaft of the driving motor is connect with the ball-screw, the ball-screw
Two sides are corresponding to be respectively set the sliding rail, and the ball screw assembly, is arranged on the ball-screw and sliding rail, the drive
Dynamic motor drives ball-screw positive and negative rotation, moves back and forth ball screw assembly, on ball-screw;
The angle adjusting mechanism is arranged on the ball screw assembly, and the angle adjusting mechanism is set as rotary cylinder
Or rotating electric machine drive shaft structure, the rotary cylinder or the rotating electric machine and the industrial personal computer are electrically connected, the rotation
The video camera is set in rotaring cylinder or the shaft, to adjust the pitch angle of video camera;
The lateral adjustment is equipped with the linear displacement transducer for detecting the ball screw assembly, shift position, described
Angle adjusting mechanism is equipped with the angle displacement sensor for detecting the rotary cylinder or shaft rotary corner, the straight-line displacement sensing
Device and angle displacement sensor are electrically connected with the industrial personal computer respectively.
The license plate recognition device includes Car license recognition case, and the video camera and position-regulation portion, which set up separately, sets in the license plate
In the open slot for identifying upper box part.
The Car license recognition case is equipped with the light compensating lamp for auxiliary camera work.
The industrial personal computer is arranged in parking lot entrance monitoring room or the Car license recognition case.
The industrial personal computer includes information acquisition unit, information process unit, information storage unit and main control unit, the letter
Breath acquisition unit receives the identification information of the vehicle detection apparatus, linear displacement transducer and angle displacement sensor, and will
The data information transfer of acquisition to the information process unit, by the information process unit be acquired data analysis and
Reason realizes license board information, video camera straight-line displacement information and pitch angle displacement information in the storage of the information storage unit
And processing information is fed back into the main control unit, the main control unit controls the banister, lateral adjustment and angle
The work of regulating mechanism.
The beneficial effects of the utility model are: cross of the utility model by the achievable video camera shooting of position-regulation portion point
Adjusting to position and pitch angle can be improved video camera to the recognition capability for entering and leaving vehicle license plate, improve the current effect of vehicle
Rate.The especially control method of the utility model, video camera is clearly clapped when passing in and out parking lot by acquiring and counting different vehicle
According to location information, i.e. the lateral displacement information and pitch angle information of video camera, and by main control unit according to location information
Probability successively adjusts lateral adjustment and angle adjusting mechanism, until video camera can clearly collect license plate from big to small
Until information.Compared with prior art, after long-term repeatedly statistics, this method can be derived that the preferred, less preferred etc. of video camera
Location information, and by the quick adjusting of these location informations realization camera position, it greatly improves video camera and clearly claps
The efficiency taken the photograph.
Detailed description of the invention
Fig. 1 is the structural block diagram schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model;
Fig. 3 is the schematic diagram of position-regulation portion point in the utility model;
Description of symbols: 1 Car license recognition case, 2 video cameras, 3 driving motors, 4 ball-screws, 5 ball screw assembly,s, 6 jiaos
Spend regulating mechanism, 7 light compensating lamps, 8 angle displacement sensors, 9 sliding rails, 10 linear displacement transducers.
Specific embodiment
With reference to the accompanying drawing and utility model is described further in specific embodiment:
Referring to figs. 1 to Fig. 3, a kind of parking lot Vehicle License Plate Recognition System, including industrial personal computer, vehicle detection apparatus, banister and vehicle
Vehicle detection apparatus, banister and vehicle identifier, vehicle detection apparatus and road is electrically connected in board identification device, industrial personal computer
Lock is all set in parking lot entrance lane, and license plate recognition device is set in banister or entrance lane one side edge.Work
Control machine is used to control the working condition of vehicle detection apparatus, banister and license plate recognition device, and vehicle detection apparatus for examining in real time
Measuring car enters and leaves information, and information is uploaded to industrial personal computer, and the working condition of each section, license plate recognition device are controlled by industrial personal computer
Passing vehicle is identified, and the information after identification is stored in industrial personal computer, is checked with facilitating in vehicles while passing,
And then control the movement of banister.
License plate recognition device includes video camera 2, mounting base and position-regulation portion point, and video camera 2 is arranged by mounting base
In position-regulation portion point, position-regulation portion divides the lateral position and pitch angle position for adjusting video camera 2, position-regulation portion
Divide includes lateral adjustment and angle adjusting mechanism 6.Preferably, lateral adjustment include driving motor 3, ball-screw 4,
Ball screw assembly, 5 and two sliding rails 9, driving motor 3 and industrial personal computer are electrically connected, and control its operating by industrial personal computer, driving motor 3
Motor shaft is connect with ball-screw 4, and the two sides of ball-screw 4 are corresponding to be arranged in parallel an one slide rail 9 respectively, and in ball-screw
4 and sliding rail 9 on be arranged ball screw assembly, 5, driving motor 3 drives 4 positive and negative rotation of ball-screw, due to the limitation of sliding rail 9, ball
Lead screw pair 5 is moved back and forth along 4 length direction of ball-screw.Preferably, driving motor 3 is stepper motor.
Angle adjusting mechanism 6 is arranged on ball screw assembly, 5, a mounting base can also be fixed on ball screw assembly, 5, then will
Angle adjusting mechanism 6 is arranged in mounting base.Angle adjusting mechanism 6 is set as rotary cylinder or rotating electric machine drive shaft knot
Structure, rotary cylinder or rotating electric machine and industrial personal computer are electrically connected, and the rotation of rotary cylinder or rotating electric machine is controlled by industrial personal computer,
Video camera 2 is set on rotary cylinder or shaft, can so pass through rotary cylinder or the pitch angle of rotation shaft regulated video camera 2.It is excellent
Selection of land, rotating electric machine are stepper motor.
Preferably, license plate recognition device further includes Car license recognition case 1, is equipped with an open slot on 1 top of Car license recognition case, will
Video camera 2 and position-regulation portion, which set up separately, sets in the open slot, and so also can avoid rainwater influences the normal work of video camera 2.
The light compensating lamp 7 to work for auxiliary camera 2 is equipped on Car license recognition case 1, to improve the recognition efficiency of video camera 2, especially
It is when light is bad or night.Preferably, industrial personal computer can be set in parking lot entrance monitoring room, or be mounted on
In Car license recognition case 1.
The linear displacement transducer 10 of detection 5 shift position of ball screw assembly, is equipped in lateral adjustment, specifically,
The slide plate of sensor is installed on ball screw assembly, 5, and the fixed position of sensor is installed on sliding rail 9, and then can measure and slide
Displacement of the piece on sliding rail 9.The angle displacement that detection rotary cylinder or shaft rotary corner are equipped on angle adjusting mechanism 6 passes
Sensor 8, to realize the measurement of rotary cylinder or rotating electric machine shaft angle.Linear displacement transducer 10 and angle displacement sensor
8 are electrically connected with industrial personal computer respectively, send detected straight-line displacement amount and amount angular displacement to industrial personal computer.
Industrial personal computer includes information acquisition unit, information process unit, information storage unit and main control unit, information collection list
Member receives the identification information of vehicle detection apparatus, video camera 2, linear displacement transducer 10 and angle displacement sensor 8, and will adopt
The data information transfer of collection is acquired the analysis and processing of data by information process unit, realizes vehicle to information process unit
Board information, 2 straight-line displacement information of video camera and pitch angle displacement information are believed in the storage of information storage unit and by processing
Breath feeds back to main control unit, by the work of main control unit control banister, lateral adjustment and angle adjusting mechanism 6.
The control method of the parking lot Vehicle License Plate Recognition System, comprising the following steps:
(1) location information that video camera 2 is clearly taken pictures when acquisition different vehicle disengaging parking lot, including straight-line displacement information
With pitch angle displacement information, and the information storage unit for sending that information to industrial personal computer is stored;
(2) information process unit of industrial personal computer in real time counts different location informations, and opsition dependent information goes out occurrence
Processing result is stored in information storage unit from more to being arranged less by number;
(3) when vehicles while passing parking lot entrance, main control unit occurs general according to location information in information storage unit
Rate successively adjusts lateral adjustment and angle adjusting mechanism 6 by from more to few location information, until video camera 2 can be clear
Collect license board information until.
Aforementioned location information does not carry out rough classification, needs repeatedly a large amount of statistics to be just able to achieve and more accurately adjusts
Section, but the problem slow there are still adjustment speed.For this purpose, can be by the straight-line displacement information of video camera 2 and angle displacement information point
It is divided into 1,2,3 from 3 end of driving motor to ball-screw tail end at several segments, such as by straight-line displacement information,,, it is N sections, each
Angle displacement information is divided into 1,2,3 to its tail end from a certain position of shaft by Duan Youqi shift value range,,, M sections, often
One Duan Youqi angle displacement numberical range.The straight-line displacement section so entered when counting different vehicle and clearly taking pictures and angle position
When moving section, such as information points such as (1,2), (2,3), (Isosorbide-5-Nitrae) are likely to occur, the probability that each information point occurs are counted, by general
The size of rate is arranged, and processing structure is stored in information storage unit, in vehicles while passing parking lot entrance, is pressed
Lateral adjustment and angle adjusting mechanism 6 are successively adjusted from more to few information point, until video camera 2 can be collected clearly
License board information is advisable.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (5)
1. a kind of parking lot Vehicle License Plate Recognition System, including industrial personal computer, vehicle detection apparatus, banister and license plate recognition device, described
Industrial personal computer is electrically connected the vehicle detection apparatus, banister and vehicle identifier, the vehicle detection apparatus with it is described
Banister is all set in parking lot entrance lane, and the license plate recognition device is set to the banister or entrance lane side
On edge, it is characterised in that:
The license plate recognition device includes video camera (2) and position-regulation portion point, and the video camera (2) is arranged in the position tune
It saves on part, the position-regulation portion point includes lateral adjustment and angle adjusting mechanism (6);Wherein,
The lateral adjustment includes driving motor (3), ball-screw, ball screw assembly, (5) and two sliding rails (9), the drive
Dynamic motor (3) and the industrial personal computer are electrically connected, and the motor shaft of the driving motor (3) is connect with the ball-screw (4),
The two sides of the ball-screw (4) are corresponding to be respectively set the sliding rail (9), and on the ball-screw (4) and sliding rail (9)
It is arranged the ball screw assembly, (5), the driving motor (3) drives ball-screw (4) positive and negative rotation, makes ball screw assembly, (5)
It is moved back and forth on ball-screw (4);
The angle adjusting mechanism (6) is arranged on the ball screw assembly, (5), and the angle adjusting mechanism (6) is set as revolving
Rotaring cylinder or rotating electric machine drive shaft structure, the rotary cylinder or the rotating electric machine and the industrial personal computer are electrically connected,
The video camera (2) are set on the rotary cylinder or the shaft, to adjust the pitch angle of video camera (2);
The lateral adjustment is equipped with the linear displacement transducer (10) for detecting ball screw assembly, (5) shift position,
The angle adjusting mechanism (6) is equipped with the angle displacement sensor (8) for detecting the rotary cylinder or shaft rotary corner, described straight
Linear movement pick-up (10) and angle displacement sensor (8) are electrically connected with the industrial personal computer respectively.
2. parking lot Vehicle License Plate Recognition System according to claim 1, it is characterised in that: the license plate recognition device includes vehicle
Board identification case (1), the video camera (2) and position-regulation portion, which set up separately, sets in the open slot on Car license recognition case (1) top.
3. parking lot Vehicle License Plate Recognition System according to claim 2, it is characterised in that: set on the Car license recognition case (1)
There is the light compensating lamp (7) for auxiliary camera (2) work.
4. parking lot Vehicle License Plate Recognition System according to claim 2, it is characterised in that: the industrial personal computer is arranged in parking lot
In entrance monitoring room or the Car license recognition case (1).
5. parking lot Vehicle License Plate Recognition System according to claim 4, it is characterised in that: the industrial personal computer includes information collection
Unit, information process unit, information storage unit and main control unit, the information acquisition unit receive the vehicle detection dress
It sets, the identification information of linear displacement transducer (10) and angle displacement sensor (8), and by the data information transfer of acquisition to institute
Information process unit is stated, the analysis and processing of data are acquired by the information process unit, realizes license board information, video camera
(2) straight-line displacement information and pitch angle displacement information are fed back in the storage of the information storage unit and by processing information
The main control unit, the main control unit control the work of the banister, lateral adjustment and angle adjusting mechanism (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822050821.2U CN208954337U (en) | 2018-12-07 | 2018-12-07 | A kind of parking lot Vehicle License Plate Recognition System |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822050821.2U CN208954337U (en) | 2018-12-07 | 2018-12-07 | A kind of parking lot Vehicle License Plate Recognition System |
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Publication Number | Publication Date |
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CN208954337U true CN208954337U (en) | 2019-06-07 |
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ID=66745665
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CN201822050821.2U Expired - Fee Related CN208954337U (en) | 2018-12-07 | 2018-12-07 | A kind of parking lot Vehicle License Plate Recognition System |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109377767A (en) * | 2018-12-07 | 2019-02-22 | 贵州博大智能终端科技有限公司 | A kind of parking lot Vehicle License Plate Recognition System and control method |
CN110335501A (en) * | 2019-08-13 | 2019-10-15 | 龙明春 | A kind of estate management shutdown system based on Internet of Things |
CN111540226A (en) * | 2020-05-19 | 2020-08-14 | 惠州市红源智能科技有限公司 | Parking lot auxiliary system |
CN113418094A (en) * | 2021-06-17 | 2021-09-21 | 杭州立方控股股份有限公司 | Movable roadside parking monitoring equipment |
-
2018
- 2018-12-07 CN CN201822050821.2U patent/CN208954337U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109377767A (en) * | 2018-12-07 | 2019-02-22 | 贵州博大智能终端科技有限公司 | A kind of parking lot Vehicle License Plate Recognition System and control method |
CN109377767B (en) * | 2018-12-07 | 2023-12-26 | 贵州博大智能终端科技有限公司 | License plate recognition system of parking lot and control method |
CN110335501A (en) * | 2019-08-13 | 2019-10-15 | 龙明春 | A kind of estate management shutdown system based on Internet of Things |
CN110335501B (en) * | 2019-08-13 | 2022-11-29 | 深圳市速亿通科技有限公司 | Property management parking system based on Internet of things |
CN111540226A (en) * | 2020-05-19 | 2020-08-14 | 惠州市红源智能科技有限公司 | Parking lot auxiliary system |
CN113418094A (en) * | 2021-06-17 | 2021-09-21 | 杭州立方控股股份有限公司 | Movable roadside parking monitoring equipment |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20201207 |
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CF01 | Termination of patent right due to non-payment of annual fee |