CN101807351A - Embedded parking lot management host - Google Patents
Embedded parking lot management host Download PDFInfo
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- CN101807351A CN101807351A CN200910216427A CN200910216427A CN101807351A CN 101807351 A CN101807351 A CN 101807351A CN 200910216427 A CN200910216427 A CN 200910216427A CN 200910216427 A CN200910216427 A CN 200910216427A CN 101807351 A CN101807351 A CN 101807351A
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Abstract
The invention relates to an embedded parking lot management host which mainly comprises a DSP license plate identification module, an ARM parking lot management module and a central data server. An embedded operation system is adopted, and parking lot management software and data management software are solidified in. The embedded parking lot management host adopts an embedded license plate identification technology, improves the usability and the safety of the system, and reduces the cost of the parking lot management system.
Description
Technical field
The invention belongs to ANPR and embedded parking lot management system field, particularly relate to automatic license plate recognition technology, embedded technology and intelligent parking lot microcomputer management system.
Background technology
Along with the develop rapidly of China's economy and auto manufacturing, vehicle increases sharply, the robotization more of parking lot management, intelligent ever more important.The turnover record, science charge and the record data analysis that accurately realize vehicle are the prerequisite functions in professional parking lot.The tradition parking lot relies on and manually manages, and traffic efficiency is low, and the probability that toll collection technique makes a mistake relies on human factor fully.Though, can not write down car plate based on the processing such as can charge automatically of the parking lot of ID card, can not inquire about and analyze according to car plate, reduced the use value of data.In addition, iff using ID, not having the vehicle photographic intelligence in the record, will be very not directly perceived, and data almost do not have any break-up value except that finishing the charge record; If when using the ID card, be equipped with video camera again, will increase system cost undoubtedly.After being applied to license plate recognition technology in the parking lot, all service management all manage according to car plate, have reduced operator on duty's work, and typing vehicle turnover information is added up down time, calculated toll amount automatically.After meeting accident, can inquire about, check the photo in turnover parking lot according to car plate.In the future, if all parking lot uniform datas can be got up carry out data mining, just can be very intuitively and crack the vehicle pilferage easily, car plate is usurped case.Embedded technology is single-minded, low in energy consumption because of its function, stable receiving much attention works long hours.Embedded technology is applied to meeting reduction system cost in the parking lot management, improves system reliability etc.ARM has very strong transaction management function, and DSP has very strong data-handling capacity, and two kinds of chips incorporate are used together, just can give full play to advantage separately, obtains bigger system performance with less hardware.
Summary of the invention
The purpose of this invention is to provide a kind of embedded parking lot management host, be intended to, improve the automaticity and the science of system management, for the parking lot system management provides a kind of more advanced solution based on embedded automatic license plate recognition technology.
The object of the present invention is achieved like this: a kind of embedded parking lot management host is characterized in that:
Centre data server: preserve the parking lot log-on message, pass through recorded information;
DSP car plate identification module: the car plate recognizer by video decoding chip and DSP data processing chip and inside solidification is formed; Video decoding chip is connected with video camera through video interface, and is connected with vehicle checker and photoflash controller through the IO mouth;
ARM parking lot management module: mainly form by the parking lot management program of ARM microprocessor and inside solidification, the ARM microprocessor is connected with DSP data processing chip and centre data server by network interface, and be connected with (managing system of car parking) parking lot control module through serial ports, and connect display through the VGA interface, so that an interface with user interactions to be provided.
In the above-mentioned ARM microprocessor built-in Linux operating system is installed.
The SD card of above-mentioned ARM microprocessor disposes as the temporary SD card of data.
The concrete scheme of the present invention is: the present invention is mainly by DSP car plate identification module, ARM parking lot management module, and parking lot control module and centre data server are formed.Comprise DSP car plate identification module and ARM parking lot management module in the management host.
DSP car plate identification module: module mainly comprises video decoding chip and DSP data processing chip, inside solidification the car plate recognizer.The vehicle that obtains according to vehicle checker is captured car plate into and out of parking lot signal controlling flashlamp and video camera, discerns then, and the car plate photo of recognition result and candid photograph is sent to ARM parking lot management module.Import and export general characteristics together according to present parking lot, this module has been carried out two-way video input design, can capture the vehicle of entrance and exit simultaneously.
ARM parking lot management module: mainly form by the parking lot management program of ARM microprocessor and inside solidification, the ARM microprocessor is connected with DSP data processing chip and centre data server by network interface, and be connected with the parking lot control module through serial ports, and connect display through the VGA interface, so that an interface with user interactions to be provided.
The parking lot control module: according to the order of ARM parking lot management module, peripherals such as control banister, LED display, voice suggestion.
Centre data server: preserve the parking lot log-on message, by record etc.
The invention has the beneficial effects as follows: the service management in parking lot is carried out based on car plate fully.Whether vehicle appears on the scene to charge and carries out according to car plate, has improved the traffic efficiency of registered vehicle on the big depth, accomplishes substantially not have to stop current (system can at 1 second with interior response), for the client has saved the time.For the place that high security requires, main frame can also cooperate ID card, portrait to mate simultaneously than equity.Comprise car plate in the historical record of data, the user can follow the trail of, analyze according to car plate.Adopt the embedded type low-power consumption technology, the main frame maximum power dissipation is less than 10 watts, the system that constitutes of ordinary PC relatively, the daily electricity consumption of the system that saved.Adopt solid state storage technologies, no disk storage has overcome common hard disk and has worked long hours and understand the problem that there was a mechanical failure.Systemic-function is clear and definite, single-minded, has realized the function of car plate identification, parking lot business processing having reduced the system hardware cost with lower hardware environment.The instruction set of embedded system is different with the instruction set of PC system, application program is with also fully different with operating system, can avoid the influence of various viruses popular on the present network, the availability of the system of Ti Gaoing and security greatly reduced the system maintenance cost.
The present invention is mainly used in general parking lot and has the residential quarter in parking lot, company, unit etc., and also can be used as public security organ carries out the car plate uploading system, is used for following the trail of illegal vehicle.
Description of drawings
Fig. 1 is embedded parking lot system topological figure of the present invention;
Fig. 2 is canonical system application structure figure of the present invention;
Fig. 3-1 and Fig. 3-2 is respectively side view and the vertical view that video camera of the present invention is installed signal.
Embodiment
Fig. 1 illustrates, and embedded parking lot management host of the present invention comprises the centre data server: preserve the parking lot log-on message, pass through recorded information; DSP car plate identification module: the car plate recognizer by video decoding chip and DSP data processing chip and inside solidification is formed; Video decoding chip is connected with video camera through video interface, and is connected with vehicle checker and photoflash controller through the IO mouth; ARM parking lot management module: mainly form by the parking lot management program of ARM microprocessor and inside solidification, the ARM microprocessor is connected with DSP data processing chip and centre data server by network interface, and be connected with (intrasystem) parking lot control module through serial ports, and connect display through the VGA interface, so that an interface with user interactions to be provided.In the ARM microprocessor built-in Linux operating system is installed.The SD card of ARM microprocessor disposes as the temporary SD card of data.
Below embodiments of the present invention will be described: comprise DSP car plate identification module and ARM parking lot management module in the management host.Module has been carried out the design of customization, and DSP car plate identification module mainly comprises: video interface, IO mouth, network interface.ARM parking lot management module mainly comprises: network interface, serial ports, VGA interface, SD card, USB interface, adopt the built-in Linux operating system of autonomous cutting and the user interface of independent development.Cutting other unwanted interface and unit, mainframe box is very small and exquisite, has reduced main frame and has taken up room.System adopts Low-power Technology, and heat dissipation capacity is very little, does not need to carry out wind-cooling heat dissipating, does not design fan, and cabinet is complete closed except that wiring hole, reduces dust and enters, and reduces aging speed, has prolonged system serviceable life and the reliability that has increased hardware.
DSP car plate identification module receives camera video by video interface, and decoding obtains frame of video through decoding chip; Use the IO mouth to link to each other with vehicle checker, photoflash controller.When vehicle was pressed coil, the IO mouth can obtain the switching value signal of vehicle checker; After dsp processor obtained the IO signal, the trigger flashing lamp also carried out the vehicle photo simultaneously and captures; After capturing photo, dsp processor carries out car plate identification, then recognition result is sent to ARM parking lot management module by network.
Operating system and management software are solidificated in when dispatching from the factory on the Flash of module, no longer need software to install during use.The system back that powers on automatically starts, and is written into after the operating system directly runs administrative software, and the user can not manage the outer any operation of software allowed band, has ensured the controllability and the stability of system.System's operation interface on duty is succinct, has reduced user's operation easier, has reduced the training to the Security Personnel.Administration module is connected with DSP car plate identification module, data server by network interface; The module serial ports is used for connecting the parking lot control module; When the car plate of receiving the transmission of DSP car plate identification module and photo, module is analyzed information, and the data query server.Then, administration module can be made corresponding prompting and reaction according to the information Control parking lot control module that inquires.The VGA interface is used for connecting display, and an interface with user interactions is provided; It is temporary that the SD card is used for doing data; USB interface is used for connecting mouse, keyboard, data derivation and software upgrading.
Referring to Fig. 2,1, inlet is when having vehicle, DSP car plate identification module control entrance camera is captured the photo driving board identification of going forward side by side, and then recognition result is sent to ARM parking lot management module.After ARM parking lot management module receives information, carry out the analysis and judgement vehicle and whether meet, the result is saved in data server by condition.If vehicle can pass through, just can open banister, clearance vehicle automatically; If vehicle does not meet the clearance condition, system can provide prompting by voice, LED display and display etc., asks the operator on duty to add their confirmation, and whether decision allows vehicle pass-through.
2, vehicle is in when outlet, and ARM parking lot management module can be by the record that enters of data server enquiring vehicle, and carries out type analysis and time statistics.If vehicle is the system registry vehicle, and passed through authentication, system can open banister, clearance vehicle automatically; If vehicle is non-registered vehicle, system then can calculate Fee Amount according to fees policy, confirms to let pass after the operator on duty charges; If vehicle is not by authentication, system then can remind the operator on duty to check the turnover record, checks whether be to steal vehicle.Behind the clearance vehicle, put down banister automatically, therebetween without any need for artificial participation, simultaneously with data storage to data server, check in the future and submit to form with convenient.
Among Fig. 3-1, Fig. 3-2, suppose that camera lens is X apart from the distance of capturing vehicle, effectively capturing width is Y, and camera lens is H apart from floor level, and then X, Y, H must satisfy following conditions: 4.5≤X≤7.0 (unit: rice); 2.2≤Y≤2.7 (unit: rice); 1.2≤H≤1.5 (unit: rice).
Can see that vehicle is very high into and out of the efficient in parking lot, especially, realize barrier free accessibility substantially the registered vehicle of system.For large parking lot and the turnover efficient place of having relatively high expectations, current so efficiently rate will reduce inlet and outlet pressure greatly, for owner and client bring great convenience.
The design of employing embedded chip, the degree of coupling is lower between each module, independence is strong, and main frame can carry out system design and cutting according to actual needs when concrete the deployment.When system employs when having only the passage in a track, have only configuration one tunnel parking lot controller, a LED display, a voice cue module., vehicles passing in and out less when system scale more after a little while (such as every day less than train numbers up to ten thousand), data server also can also be configured on the main frame, only need a main frame, total system just can global function be moved.Polymerization in this, the design of low coupling has made things convenient for engineering construction, has saved owner's input, has made full use of system resource.
Aforementioned ARM microprocessor model S3C2440-A (Korea S Samsung); DSP data processing chip model DSP642 (semiconductor company of U.S. Ti Texas Instrument); Video decoding chip model SAA7134 (PHILIPS Co.).
Claims (4)
1. embedded parking lot management host is characterized in that:
Centre data server: preserve the parking lot log-on message, pass through recorded information;
DSP car plate identification module: the car plate recognizer by video decoding chip and DSP data processing chip and inside solidification is formed; Video decoding chip is connected with video camera through video interface, and is connected with vehicle checker and photoflash controller through the IO mouth;
ARM parking lot management module: mainly form by the parking lot management program of ARM microprocessor and inside solidification, the ARM microprocessor is connected with DSP data processing chip and centre data server by network interface, and be connected with the parking lot control module through serial ports, and connect display through the VGA interface, so that an interface with user interactions to be provided.
2. according to the described a kind of embedded parking lot management host of claim 1, it is characterized in that: in the described ARM microprocessor built-in Linux operating system is installed.
3. according to the described a kind of embedded parking lot management host of claim 2, it is characterized in that: the SD card of described ARM microprocessor disposes as the temporary SD card of data.
4. according to claim 1 or 2 or 3 described a kind of embedded parking lot management hosts, it is characterized in that: described video decoding chip model is SAA7134; DSP data processing chip model is DSP642; ARM microprocessor model is S3C2440-A.
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| CN200910216427A CN101807351A (en) | 2009-11-30 | 2009-11-30 | Embedded parking lot management host |
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| CN200910216427A CN101807351A (en) | 2009-11-30 | 2009-11-30 | Embedded parking lot management host |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005071A (en) * | 2010-11-23 | 2011-04-06 | 无锡港湾网络科技有限公司 | Vehicle access management system |
| CN102324119A (en) * | 2010-11-23 | 2012-01-18 | 深圳万侨鸿科技有限公司 | Embedded-type parking-lot management system |
| CN102855671A (en) * | 2012-09-29 | 2013-01-02 | 深圳市泊慧停车管理科技有限公司 | No-obstacle parking charging system and method thereof |
| CN103236167A (en) * | 2013-03-27 | 2013-08-07 | 河南亚视软件技术有限公司 | Vehicular video monitoring method for vehicular access entries, and application thereof |
| CN103903451A (en) * | 2014-04-23 | 2014-07-02 | 武汉恒达智慧城市交通研发有限公司 | System and method for snapshooting vehicles which come in and out of parking place on road parking spaces |
| CN104183138A (en) * | 2014-08-13 | 2014-12-03 | 青岛盛嘉信息科技有限公司 | Method for monitoring vehicles driving against traffic regulations |
| CN104282169A (en) * | 2014-09-29 | 2015-01-14 | 四川川大智胜软件股份有限公司 | Embedded integration parking space detector and detecting method thereof |
| CN105139460A (en) * | 2015-07-08 | 2015-12-09 | 北京车行神州科技有限公司 | Method for realizing parking lot charging management by using mobile phone to scan two-dimension code |
| CN105374074A (en) * | 2014-05-28 | 2016-03-02 | 西安艾润物联网技术服务有限责任公司 | Parking lot entering-and-outgoing control method and parking lot entering-and-outgoing control system |
| CN105528810A (en) * | 2015-12-30 | 2016-04-27 | 桂林金铱星科技发展有限公司 | Parking lot access management system |
| CN105575126A (en) * | 2015-12-16 | 2016-05-11 | 深圳市捷顺科技实业股份有限公司 | License plate identification system and method |
| WO2019153268A1 (en) * | 2018-02-09 | 2019-08-15 | 深圳市小猫信息技术有限公司 | Lot-within-a-lot parking lot management method and device, computer device and storage medium |
| CN113327428A (en) * | 2021-06-21 | 2021-08-31 | 深圳腾达智能科技有限公司 | Method for rapidly acquiring data of vehicles entering and leaving parking lot |
-
2009
- 2009-11-30 CN CN200910216427A patent/CN101807351A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324119A (en) * | 2010-11-23 | 2012-01-18 | 深圳万侨鸿科技有限公司 | Embedded-type parking-lot management system |
| CN102005071A (en) * | 2010-11-23 | 2011-04-06 | 无锡港湾网络科技有限公司 | Vehicle access management system |
| CN102855671A (en) * | 2012-09-29 | 2013-01-02 | 深圳市泊慧停车管理科技有限公司 | No-obstacle parking charging system and method thereof |
| CN103236167A (en) * | 2013-03-27 | 2013-08-07 | 河南亚视软件技术有限公司 | Vehicular video monitoring method for vehicular access entries, and application thereof |
| CN103236167B (en) * | 2013-03-27 | 2015-08-05 | 河南亚视软件技术有限公司 | Porte-cochere entrance automobile video frequency method for supervising and application thereof |
| CN103903451A (en) * | 2014-04-23 | 2014-07-02 | 武汉恒达智慧城市交通研发有限公司 | System and method for snapshooting vehicles which come in and out of parking place on road parking spaces |
| CN105374074A (en) * | 2014-05-28 | 2016-03-02 | 西安艾润物联网技术服务有限责任公司 | Parking lot entering-and-outgoing control method and parking lot entering-and-outgoing control system |
| CN104183138A (en) * | 2014-08-13 | 2014-12-03 | 青岛盛嘉信息科技有限公司 | Method for monitoring vehicles driving against traffic regulations |
| CN104282169B (en) * | 2014-09-29 | 2016-03-02 | 四川川大智胜软件股份有限公司 | Embedded integrated parking space detector and detection method thereof |
| CN104282169A (en) * | 2014-09-29 | 2015-01-14 | 四川川大智胜软件股份有限公司 | Embedded integration parking space detector and detecting method thereof |
| CN105139460A (en) * | 2015-07-08 | 2015-12-09 | 北京车行神州科技有限公司 | Method for realizing parking lot charging management by using mobile phone to scan two-dimension code |
| CN105139460B (en) * | 2015-07-08 | 2018-05-18 | 北京车行神州科技有限公司 | It is a kind of that the method for realizing parking lot fee collection management is scanned the two-dimensional code by mobile phone |
| CN105575126A (en) * | 2015-12-16 | 2016-05-11 | 深圳市捷顺科技实业股份有限公司 | License plate identification system and method |
| CN105528810A (en) * | 2015-12-30 | 2016-04-27 | 桂林金铱星科技发展有限公司 | Parking lot access management system |
| WO2019153268A1 (en) * | 2018-02-09 | 2019-08-15 | 深圳市小猫信息技术有限公司 | Lot-within-a-lot parking lot management method and device, computer device and storage medium |
| CN113327428A (en) * | 2021-06-21 | 2021-08-31 | 深圳腾达智能科技有限公司 | Method for rapidly acquiring data of vehicles entering and leaving parking lot |
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Open date: 20100818 |