CN103531041B - Based on the parking position reservation system of ultrasonic listening - Google Patents
Based on the parking position reservation system of ultrasonic listening Download PDFInfo
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Abstract
The invention discloses a kind of parking position reservation system based on ultrasonic listening, comprising: user's predetermined terminal; Parking stall management server, for taking situation with the parking stall in parking lot detector communication management parking lot, communicating with parking stall preset device with carrying out limiting or cancel limits parking stall and enters parking stall; The webserver, parking lot detector, to get on the bus bit stealing state for monitoring Parking position, and corresponding parking stall state is sent to parking stall management server; Parking stall preset device, carries out limiting or cancel restriction parking stall enter parking stall for receiving parking stall management server instruction; Described parking lot detector comprise microprocessor, for detect the seizure condition on parking stall ultrasonic detector, for open and close parking stall preset device actuator and for show parking stall corresponding information prompting device, for carrying out the toggle switch of geocoding to microprocessor; Described microprocessor is connected with ultrasonic detector, actuator, prompting device, toggle switch respectively.This system can display space information in real time, guides parking user to enter corresponding parking stall, can realize the object that empty parking stall is predetermined in advance.
Description
Technical field
The invention belongs to parking position bootstrap technique field, be specifically related to a kind of parking position reservation system based on ultrasonic listening.
Background technology
In October, 2010, China's automobile guarantee-quantity breaks through 100,000,000 high pointes first, after the rapid growth living through blowout formula, the automobile pollution of China enters the phase of growing steadily, according to China Association for Automobile Manufacturers's publish data on January 11st, 2012 display, China's automobile production and marketing in 2012 breaks through 1,900 ten thousand in pairs, again breaks through record, and speedup has all exceeded 4% and continued to hold a post or title the first in the world.The interrelated data display of Traffic Administration Bureau of the Ministry of Public Security, within 2011, China's " motorization " tide continues to advance.By the end of the year 2011, national vehicle guaranteeding organic quantity will be 2.25 hundred million, wherein 1.06 hundred million, automobile.Ended for the end of the year 2012, China's automobile guarantee-quantity reaches 1.25 hundred million, and China formally enters auto age.
Automobile pollution huge has like this caused a serious problem, is exactly how vehicle finds suitable parking stall fast in arrival destination.And on the other hand, the construction of city parking related facility relatively lags behind, particularly in the large shopping centre of vehicle flowrate and tourist district, peak time of parking looked for parking stall difficult become a realistic problem of puzzlement car owners.
In prior art, car owner drives to look for parking stall at the scene, and often efficiency is very low, also easily causes parking lot traffic jam.The present invention therefore.
Summary of the invention
The object of the invention is to provide a kind of parking position reservation system based on ultrasonic listening, this method solves the problem that parking stall that parking position in prior art effectively can not manage the parking stall and sky causing parking user to be difficult to Timeliness coverage sky can not make a reservation in advance or can not determine in advance.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
Based on a parking position reservation system for ultrasonic listening, it is characterized in that described system comprises:
User's predetermined terminal, for sending parking stall predetermined instruction and cutoff command with webserver communication;
Parking stall management server, for taking situation with the parking stall in parking lot detector communication management parking lot, communicating with parking stall preset device with carrying out limiting or cancel limits parking stall and enters parking stall; Described parking stall management server, by network and webserver communication, receives the instruction that the webserver issues, and parking space information is sent to the webserver;
The webserver, for the communication of user's predetermined terminal, the parking stall predetermined instruction of accepted user and cutoff command, and corresponding instruction is handed down to parking stall management server; Also for receiving the parking space information of parking stall management server with parking stall management server communication;
Parking lot detector, to get on the bus bit stealing state for monitoring Parking position, and corresponding parking stall state is sent to parking stall management server;
Parking stall preset device, carries out limiting or cancel restriction parking stall enter parking stall for receiving parking stall management server instruction;
Wherein parking lot detector, parking stall preset device one_to_one corresponding, is arranged on each parking stall, parking lot; Described parking lot detector comprise microprocessor, for detect the seizure condition on parking stall ultrasonic detector, for open and close parking stall preset device actuator and for show parking stall corresponding information prompting device, for carrying out the toggle switch of geocoding to microprocessor; Described microprocessor is connected with ultrasonic detector, actuator, prompting device, toggle switch respectively.
Preferred technical scheme is: be also provided with LED parking space guide screen between described parking stall management server and parking lot detector, and described parking stall management server is connected with LED parking space guide screen, and LED parking space guide screen is connected with parking lot detector; Described parking lot detector is positioned on Parking position, for monitoring the state on corresponding parking stall, parking lot, and the state on corresponding parking stall and Self address information is sent to LED parking space guide screen; Described LED parking space guide screen is provided with the display screen guiding user to position, parking stall, the status information of described LED parking space guide screen automatic regular polling each parking lot detector connected, and latest state information is stored, and display on a display screen; Described parking stall each LED parking space guide screen of management server automatic regular polling, and require the latest state information submitting LED parking space guide screen itself and its child node to.
Preferred technical scheme is: described parking stall management server and several LED parking space guide screens connect and compose first order master slave relation, and LED parking space guide screen and several parking lot detectors are connected to form second level master slave relation.
Preferred technical scheme is: described parking stall management server comprises the main frame being provided with RS-232 interface, described main frame connects RS-232/485 hub by RS-232 interface, and described RS-232/485 hub connects several LED parking space guide screens by RS-485 bus.
Preferred technical scheme is: each LED parking space guide screen connects several parking lot detectors by RS-485 bus.
Preferred technical scheme is: described microprocessor adopts single-chip microcomputer MSP430, and described single-chip microcomputer MSP430 is connected with LED parking space guide screen by RS-485 driving chip.
Preferred technical scheme is: described LED parking space guide screen and parking stall management server, by UART0 interface communication, have most high interrupt priority; Described LED parking space guide screen and parking lot detector are by UART1 interface communication, and UART1 is second level interrupt priority level.
Preferred technical scheme is: the mailing address of described parking stall management server is set to 0x0000, and the mailing address of LED parking space guide screen and connected parking lot detector is arranged by dip-switch package.
Preferred technical scheme is: in the mailing address of described LED parking space guide screen, the 2nd byte is 0, and the 1st byte is arranged by dip-switch package; Identical with LED parking space guide screen with the 1st byte in the mailing address of the parking lot detector that LED parking space guide screen connects, the 2nd byte is arranged by dip-switch package.
Preferred technical scheme is: described parking lot detector is connected with 220vAC-5VDC Switching Power Supply powers, and is provided with power management chip and manages power supply in described parking lot detector.
Preferred technical scheme is: described LED parking space guide screen comprises the STC single-chip microcomputer be connected with display screen, and STC single-chip microcomputer is respectively by RS-485 chip and parking stall management server and parking lot detector communication.Preferred technical scheme is: described STC single-chip microcomputer and parking stall management server, by UART0 interface communication, have most high interrupt priority; Described STC single-chip microcomputer and parking stall management server are by UART1 interface communication, and UART1 is second level interrupt priority level.
Preferred technical scheme is: described LED parking space guide screen is connected with 220vAC-5VDC Switching Power Supply powers, and is provided with power management chip and manages power supply in described LED parking space guide screen.
The present invention is used for carrying out parking stall and makes a reservation for, and described parking lot detector to be got on the bus bit stealing state for monitoring Parking position, itself and parking stall preset device with the use of.Parking lot detector and parking stall preset device are arranged on each parking stall, described parking lot, parking stall management server and webserver communication, described parking lot detector, parking stall preset device respectively with parking stall management server connecting communication.
Carry out the pre-timing in parking stall in parking lot, carry out in accordance with the following steps:
(1) parking lot detector monitoring car bit stealing information on each parking stall in parking lot, is transferred to parking stall management server by parking space information;
(2) parking space information is transferred to the webserver by network by parking stall management server;
(3) user terminal predetermined terminal and webserver communication, obtains parking space information;
(4) user initiates the instruction of predetermined parking stall by predetermined terminal to the webserver;
(5) after the webserver accepts the predetermined parking stall instruction of predetermined terminal, and instruction is handed down to parking stall management server;
(6) parking stall management server is according to the instruction of predetermined parking stall, and vacant parking stall is opened parking stall preset device, and revises the predetermined state on corresponding parking stall;
(7) user initiates cutoff command by predetermined terminal to the webserver;
(8) webserver receives this user's cutoff command, and instruction is handed down to parking stall management server;
(9) parking stall management server is according to cutoff command, closes parking stall preset device;
(10) parking lot detector detects user's rear vehicle of stopping and has taken the information of parking stall, upgrades parking space state, and transfers to parking stall management server;
(11) parking stall is upgraded feedback of status to the webserver by parking stall management server.
Described predetermined terminal is selected from mobile phone, notebook computer, panel computer, phone.
Described method also comprises parking space information refresh step, and described parking space information refresh step comprises:
(1) in parking lot, on each parking stall, the parking stall refreshing information obtained every some cycles is transferred to parking stall management server by parking lot detector;
(2) parking stall refreshing information is transferred to the webserver by network by parking stall management server;
(3) webserver upgrades parking space information according to parking stall refreshing information, and upgrades corresponding parking space information database;
(4) user initiates the request of search parking space information by predetermined terminal to the webserver;
(5), after the webserver receives the search parking space information request of predetermined terminal, the parking space information after renewal is fed back to user's predetermined terminal by the search condition according to user.
In described method, user sends the subsidiary schedule time T requirement of predetermined parking stall instruction or does not attach schedule time T requirement; When user send the subsidiary schedule time T of predetermined parking stall instruction require time, the webserver processes in accordance with the following steps:
(1) webserver accepts the predetermined parking stall instruction of predetermined terminal, relevant information is notified user's predetermined terminal and parking stall management server;
(2) webserver was waited for after the T0 time, to confirm a reservation command information with user's predetermined terminal; After user confirms a reservation instruction, the instruction of predetermined for parking stall parking stall and subsidiary schedule time T are handed down to parking stall management server, vacant parking stall are opened parking stall preset device, and revises the predetermined state on corresponding parking stall.
In described method, T is greater than T0 the schedule time.Parking position layout is all stored in vehicle management server and the webserver, parking stall and corresponding parking lot detector, parking stall preset device one_to_one corresponding on each parking lot in described method.
Get on the bus bit stealing state in management server adopt the mode of poll to obtain Parking position that each parking lot detector monitors in described parking stall; And parking stall seizure condition information is sent to the webserver.
The described webserver is provided with timing module, and described timing module is according to the predetermined parking stall instruction of user's predetermined terminal and the schedule time, and timing sends to the schedule time forward direction user predetermined terminal parking stall instruction of confirming a reservation; After the webserver receives the confirmation the instruction of predetermined parking stall, the instruction of predetermined parking stall is handed down to parking stall management server.
The predetermined key in Parking position is the predetermined of parking stall, is not only simple reservation, but is limited by the parking stall of parking stall preset device by reservation, prevent other vehicles from entering.Because parking stall preset device and parking lot detector in technical solution of the present invention are arranged on each parking stall, and with parking stall one_to_one corresponding, such object is that the parking stall management server in parking lot can determine the position on parking stall according to parking stall preset device and parking lot detector, also facilitates parking stall management server to start parking stall preset device restriction vehicle and enters parking stall.
Parking space information refreshes according to certain frequency, and the parking space information real-time monitored is sent to parking stall management server by parking lot detector; Corresponding information is uploaded to the webserver by described parking stall management server, the webserver can provide the selection on parking stall to user according to the real-time information of reality, also facilitate parking stall management server to carry out when user is stopped distributing predetermined parking stall in real time.
User's predetermined terminal sends the instruction of predetermined parking stall to the webserver in advance, and additional period condition; After the predetermined parking stall instruction of webserver accepted user predetermined terminal, corresponding confirmation can be sent in advance respectively to parking stall management server, user's predetermined terminal.When user confirms a reservation parking stall, parking stall management server is carried out parking stall by parking stall preset device and is made a reservation for.This method solve the problem that parking position can not make a reservation in advance or can not determine in advance.
Relative to scheme of the prior art, advantage of the present invention is:
Technical solution of the present invention is by the equipment connection of parking stall management server, LED parking space guide screen and parking lot detector, parking stall management server can the latest state information on any parking stall in real-time query parking lot, this system architecture is simple, and communication data amount is few, decreases data delay; And can real-time management parking position, parking user can understand the state on parking stall in time, and LED parking space guide screen can display space information in real time, guides parking user to enter corresponding parking stall, can realize the object that empty parking stall is predetermined in advance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the system architecture diagram of parking position reservation system of the present invention;
Fig. 2 is the workflow diagram of parking position reservation system of the present invention
Fig. 3 is the parking space management system Organization Chart in the parking lot of parking stall of the present invention reservation system;
Fig. 4 is the structural representation of parking lot detector in the reservation system of Parking position of the present invention;
Fig. 5 is the method flow diagram of parking lot detector in the reservation system of Parking position of the present invention.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment
As shown in Figure 1, this parking position reservation system comprises: predetermined terminal, the webserver, parking stall management server, parking lot detector, parking stall preset device.Each parking stall in parking lot is provided with parking lot detector and parking stall preset device, and parking lot detector monitors current parking space information, and is real-time transmitted to parking stall management server.Parking stall management server by parking space information teletransmissions all in this parking lot to the webserver.User can obtain the parking space information in parking lot by predetermined terminal, and initiates the instruction of predetermined parking stall.The parking stall predetermined instruction of the webserver to user stores, processes and replys, and assigns the instruction of predetermined parking stall to parking stall management server.Parking stall management server, according to the instruction of predetermined parking stall, opens corresponding parking stall preset device.User, before parking, sends cutoff command by predetermined terminal to the webserver, and closes parking stall preset device by parking stall management server.Described predetermined terminal comprises: mobile phone, phone, computer.Parking stall management server can as parking stall management server.
When carrying out parking stall scheduled operation, idiographic flow as shown in Figure 2, wherein:
(1) parking lot detector unloading lot detection information, and transfer to parking stall management server
(2) parking stall management server teletransmission parking space information is to the webserver
(3) user obtains parking space information by predetermined terminal
(4) user initiates the instruction of predetermined parking stall by predetermined terminal
(5) webserver accepts this user predetermined parking stall instruction, and assigns to parking stall management server
(6) parking stall management server is according to the instruction of predetermined parking stall, opens parking stall preset device
(7) user initiates cutoff command by predetermined terminal
(8) webserver receives this user's cutoff command, and assigns to parking stall management server
(9) parking stall management server is according to cutoff command, closes parking stall preset device
(10) user is stopped complete, and parking lot detector upgrades parking space information, and transfers to parking stall management server;
(11) parking stall management server teletransmission parking stall lastest imformation is to the webserver.
As shown in Figure 3, wherein parking stall management server, LED navigational panel and parking lot detector form the parking space management system in parking lot.Parking stall management server is host computer, and each equipment use 485 bus carries out chain.Parking lot detector has a road UART, is connected with the UART1 of parent LED navigational panel.Parking lot detector has 2 kinds of functions: unloading lot detection, communicates and processes and reply data.
Described parking stall management server is connected with LED parking space guide screen, and each LED parking space guide screen is connected with parking lot detector; Described parking lot detector is positioned on Parking position, for monitoring the state on corresponding parking stall, parking lot, and the state on corresponding parking stall and Self address information is sent to LED parking space guide screen; Described LED parking space guide screen is provided with the display screen guiding user to position, parking stall, the status information of described LED parking space guide screen automatic regular polling each parking lot detector connected, and latest state information is stored, and display on a display screen; Described parking stall each LED parking space guide screen of management server automatic regular polling, and require the latest state information submitting LED parking space guide screen itself and its child node to.
Wherein LED parking space guide screen uses as repeater, adopts 485 buses to connect between parking stall management server, LED parking space guide screen; Also adopt 485 buses to connect between LED parking space guide screen and parking lot detector, form a tree-shaped half-duplex operation network.Described parking stall management server comprises the main frame being provided with RS-232 interface, and described main frame connects RS-232/485 hub by RS-232 interface, and described RS-232/485 hub connects several LED parking space guide screens by RS-485 bus.LED parking space guide screen selects RS-485 repeater.
PC, as main frame, connects 232/485 hub by RS-232 bus and forms parking stall management server.Parking stall management server and each repeater form the 1st grade of MS master-slave relation, and each parking lot detector in the coupled bus of repeater forms the 2nd grade of MS master-slave relation.In system, the device address of all devices is that 4 bytes are by set when dispatching from the factory.Mailing address is only 2 bytes, and the mailing address of parking stall management server is defaulted as 0x0000, and the mailing address of repeater and parking lot detector is arranged by dip-switch package.
The frame format definition of network service is as shown in table 1, wherein comprises: start bit, destination address, source address, type, the data segment fixing 2 bytes, check bit sum stop bit.Start bit is defined as " $ " character, its numerical value is 0x24; Stop bit is defined as " * " character, its numerical value is 0x2A.
Table 1 frame format
| Byte: 1 | 2 | 2 | 1 | 2 | 1 | 1 |
| Start bit | Destination address | Source address | Type | Data | Check bit | Stop bit |
Destination address is the mailing address that frame arrives equipment, and special 0xFFFF is broadcast address.Source address is the mailing address of frame initiating equipment, and source address cannot be set to 0xFFFF.2nd byte of repeater communication address is 0, and the 1st byte of parking lot detector mailing address is equal with the 1st byte of his father's devices communicating address.Parking lot detector can adopt MSP430 single-chip microcomputer, and itself and LED parking space guide screen carry out communication by RS-485 driving chip.
Wherein type-byte definition is as shown in table 2:
Table 2 frame type defines
| Instruction | Type-byte | Explanation |
| ACTIVE | 0x01 | Whether in placely inquire |
| READY | 0x81 | Reply in place |
| DATAREQ | 0x02 | Request of data |
| DATARSP | 0x82 | Data recovery |
| CMDREQ | 0x03 | Command request |
| CMDRSP | 0x83 | Order is replied |
Check byte adopts the method for School Affairs to carry out, and first all bytes is added, does not comprise start bit and stop bit, then result is punctured into required position long.
Rule of communication is as follows:
(1) parking stall management server dominates whole communication process.Parking stall each repeater of management server automatic regular polling, and require the status information submitting repeater itself and its child node to.
(2) status information of each parking lot detector in its bus of repeater automatic regular polling, and up-to-date information is stored, in order to parking stall management server queries.
(3) main frame that there is MS master-slave relation, after sending " ACTIVE " instruction, enters reception waiting status, opens overtime control simultaneously.If receive the information of mistake, continue to wait for; If fail at the appointed time to receive the link order " READY " from machine, then think not in place from machine, cancel and communicating specifically.
(4) main frame that there is MS master-slave relation receives after machine link order " READY ", can send " DATAREQ " or " CMDREQ " instruction, and enter accepting state, open overtime control simultaneously.If receive the information of mistake, continue to wait for; If fail at the appointed time to receive the link order " DATARSP " from machine or " CMDRSP ", then time-out counter adds 1, and main frame resends instruction; If time-out 3 times, then return error message, cancel and communicating specifically.
(5), after there is the resetting from machine of MS master-slave relation, will wait for main frame transmission instruction, and make response according to concrete command content.If receive call instruction frame mistake, then directly abandon this frame, be left intact.
Parking lot detector and LED navigational panel all have 2 kinds of addresses: the extended address extAddr of 4 byte longs and the address comAddr of 2 byte longs.Wherein, globally unique extAddr is stored in Flash, and the comAddr low byte of parking lot detector is determined by 8bit toggle switch, and high byte is determined by parent LED navigational panel comAddr connected with it, if LED navigational panel comAddr is 0x0100,0x0200 to 0x4000; The high byte of the comAddr of so corresponding parking lot detector is exactly 0x01,0x02,0x40.
As shown in Figure 4, described parking lot detector comprise microprocessor, for detect the seizure condition on parking stall ultrasonic detector, for open and close parking stall preset device actuator and for show parking stall corresponding information prompting device, for carrying out the toggle switch of geocoding to microprocessor; Described microprocessor is connected with ultrasonic detector, actuator, prompting device, toggle switch respectively.Described microprocessor adopts single-chip microcomputer MSP430, and described single-chip microcomputer MSP430 is connected with LED parking space guide screen by RS-485 driving chip.The workflow of parking lot detector as shown in Figure 5, specifically describes as follows:
Wherein parking stall state is divided into 4 kinds: take, idle, predetermined and fault.Parking lot detector refreshes 1 parking stall state every 2S, namely enters judgment model and judges parking stall state.If meet in following 2 Rule of judgment, so parking lot detector enters judgment model:
1: parking stall current state is idle, and detection range S meets S>=H-200 and S<=H – 60;
2: parking stall current state is for taking, and detection range S meets S>=H – 60;
Under judgment model, parking lot detector every 100MS detection once, detects 8 times altogether, 8 secondary data remove a maximal value, remove a minimum value, remain 6 data and average, if meet Rule of judgment 1, judge that parking space state is as taking, and is updated to parking space state and takies; Meet Rule of judgment 2, then judge that parking space state is as idle, then parking space state is updated to the free time.
Wherein: parking lot detector setting height(from bottom) H, for reserving in advance, be cured to the FLASH of single-chip microcomputer, immutable.Automobile minimum constructive height: C1=60cm.Automobile Maximum height: C2=200cm.
This detection range: S, is obtained by ultrasonic listening by single-chip microcomputer, unit cm.
Parking lot detector receives the communication data of process from UART1 in waiting status, and parking lot detector is passive reception not active upload only.Parking lot detector according to the source address receiving Frame can judge this frame be directly initiated by LED navigational panel or initiated then to forward through LED navigational panel by main frame.It is 3 classes altogether that frame type divides: confirm, data, order.No matter be request data frame or command frame, must first ask to confirm ACTIVE frame before request to only have after probe reply READY frame, main frame or LED navigational panel just can request data frame, command frame.Frame is all directly initiated by LED navigational panel, and probe receives Frame and just the mailing address of oneself and current parking space state information replied LED navigational panel with the form of 2 bytes.Command frame can only be initiated to be forwarded by LED screen by main frame, and probe receives command frame and will perform corresponding action.Detailed frame type please check subordinate list 3.
The detection of table 3 parking stall receives and replys frame type definition
Note Master: main frame LED:LED parking space guide screen Decoder parking lot detector.
LED navigational panel carries out work according to following process:
(1) LED navigational panel is initialized as waiting status, does communication process at this state LED navigational panel, and LED navigational panel can directly communicate with main frame, uploads and receives data.LED navigational panel possesses routing function simultaneously, that the frame data bag of administered parking lot detector is so just carried out being forwarded to corresponding parking lot detector once be subject to destination address, if the destination address that parking lot detector is replied is main-machine communication address, so this Frame is then transmitted to main frame by LED navigational panel.
(2) when the broadcast data frame receiving from host, so LED navigational panel is just no longer in waiting status, but enter into polling status, the LED navigational panel of polling status starts to send request of data frame to each probe by UART1, to collect the status information of each parking stall, and it is stored in array Parking_Info [16] the inside with the form of 16 bytes, the feature of these data is that each byte represents corresponding 4 parking space information.Low 2 of such as Parking_Info [0] just represent the parking space information of mailing address residing for the parking lot detector of navigational panel mailing address+1,00 representative does not have this parking lot detector, 01 to represent this parking stall occupied, and 02 to represent this parking stall idle, and 03 to represent this parking stall scheduled.The like totally 64, represent maximum 64 parking space information that this LED navigational panel is administered.
(3) in polling procedure, receive the Frame of from host, so according to the priority reserved in advance, stopping poll first being processed the communication with main frame by LED navigational panel.
Below the communication process between system modules is specifically described:
(1) flow process between user's predetermined terminal and the webserver
In prior defined procedure, the flow process between user's predetermined terminal and the webserver is as follows:
S1) first user obtains certain region parking position occupied information by predetermined terminal, then initiates the instruction of predetermined parking stall.
S2) after the webserver receives the predetermined parking stall instruction of user, carry out accepting predetermined work, the information such as record and preservation user name, license plate number, the schedule time and the predetermined area.
S3) before the schedule time sometime, the webserver according to the parking stall of this predetermined area current take situation for user distributes predetermined parking stall, and send the predetermined parking stall number predetermined terminal to this user.
S4) do not reply if user's predetermined terminal cancels this predetermined or time-out, then the webserver is thought this time predetermined and is cancelled; Confirm a reservation if user replys, then the webserver thinks that this makes a reservation for successfully, upgrades the parking stall seizure condition in this parking lot, and user profile and predetermined parking stall number are sent to parking stall management server, open the preset device on predetermined parking stall.
In docking process, the flow process between user's predetermined terminal and the webserver is as follows:
S1) user is when arriving this parking lot, initiates cutoff command by predetermined terminal.
S2) first the webserver inquires about the predetermined parking stall instruction of this user, confirms this cutoff command, then notifies that parking stall management server closes the preset device on predetermined parking stall.
S3) user is after parking stall preset device cuts out, and completes vehicle parking.
(2) flow process between the webserver and parking stall management server
The parking stall management server in each region all has unique regional number, is identified when communicating between the webserver with parking stall management server by regional number.Parking stall management server periodically uploads parking stall occupied information to the webserver, and the webserver stores the up-to-date parking stall seizure condition of each parking stall management server.According to the instruction of user, the webserver assigns predetermined instruction and cutoff command to the parking stall management server of specifying.
(3) flow process between parking stall management server and parking lot detector
The parking lot detector that each parking stall is installed all has unique device address, and parking stall management server adopts the method for poll, and periodic each parking lot detector of poll monitors to obtain parking stall seizure condition.Wherein, parking space state is specifically divided into 3 kinds: seizure condition, idle condition and predetermined state.
(4) flow process between parking stall management server and parking stall preset device
The parking stall preset device that each parking stall is installed all has unique device address, and parking stall management server transmission predetermined instruction and cutoff command all comprise the device address of parking stall preset device.Parking stall preset device is initially closed condition, waiting receive the predetermined instruction of parking stall management server after, parking stall preset device open, now this parking stall restriction vehicle parking, the state of parking stall preset device switches to opening.Waiting receive the cutoff command of parking stall management server after, parking stall preset device close, now this parking stall allow vehicle parking, the state of parking stall preset device switches to closed condition.
Above-mentioned example, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (10)
1., based on a parking position reservation system for ultrasonic listening, it is characterized in that described system comprises:
User's predetermined terminal, for sending parking stall predetermined instruction and cutoff command with webserver communication;
Parking stall management server, for taking situation with the parking stall in parking lot detector communication management parking lot, communicating with parking stall preset device with carrying out limiting or cancel limits parking stall and enters parking stall; Described parking stall management server, by network and webserver communication, receives the instruction that the webserver issues, and parking space information is sent to the webserver;
The webserver, for the communication of user's predetermined terminal, the parking stall predetermined instruction of accepted user and cutoff command, and corresponding instruction is handed down to parking stall management server; Also for receiving the parking space information of parking stall management server with parking stall management server communication;
Parking lot detector, to get on the bus bit stealing state for monitoring Parking position, and corresponding parking stall state is sent to parking stall management server;
Parking stall preset device, carries out limiting or cancel restriction parking stall enter parking stall for receiving parking stall management server instruction;
Wherein parking lot detector, parking stall preset device one_to_one corresponding, is arranged on each parking stall, parking lot; Described parking lot detector comprise microprocessor, for detect the seizure condition on parking stall ultrasonic detector, for open and close parking stall preset device actuator and for show parking stall corresponding information prompting device, for carrying out the toggle switch of geocoding to microprocessor; Described microprocessor is connected with ultrasonic detector, actuator, prompting device, toggle switch respectively;
Described user sends the subsidiary schedule time T of predetermined parking stall instruction and requires or do not attach schedule time T requirement; When user send the subsidiary schedule time T of predetermined parking stall instruction require time, the webserver processes in accordance with the following steps:
(1) webserver accepts the predetermined parking stall instruction of predetermined terminal, relevant information is notified user's predetermined terminal and parking stall management server;
(2) webserver was waited for after the T0 time, to confirm a reservation command information with user's predetermined terminal; After user confirms a reservation instruction, the instruction of predetermined for parking stall parking stall and subsidiary schedule time T are handed down to parking stall management server, vacant parking stall are opened parking stall preset device, and revises the predetermined state on corresponding parking stall.
2. the parking position reservation system based on ultrasonic listening according to claim 1, it is characterized in that also being provided with LED parking space guide screen between described parking stall management server and parking lot detector, described parking stall management server is connected with LED parking space guide screen, and LED parking space guide screen is connected with parking lot detector; Described parking lot detector is positioned on Parking position, for monitoring the state on corresponding parking stall, parking lot, and the state on corresponding parking stall and Self address information is sent to LED parking space guide screen; Described LED parking space guide screen is provided with the display screen guiding user to position, parking stall, the status information of described LED parking space guide screen automatic regular polling each parking lot detector connected, and latest state information is stored, and display on a display screen; Described parking stall each LED parking space guide screen of management server automatic regular polling, and require the latest state information submitting LED parking space guide screen itself and its child node to.
3. the parking position reservation system based on ultrasonic listening according to claim 2, it is characterized in that described parking stall management server and several LED parking space guide screens connect and compose first order master slave relation, LED parking space guide screen and several parking lot detectors are connected to form second level master slave relation.
4. the parking position reservation system based on ultrasonic listening according to claim 2, it is characterized in that described parking stall management server comprises the main frame being provided with RS-232 interface, described main frame connects RS-232/485 hub by RS-232 interface, and described RS-232/485 hub connects several LED parking space guide screens by RS-485 bus.
5. the parking position reservation system based on ultrasonic listening according to claim 2, is characterized in that each LED parking space guide screen connects several parking lot detectors by RS-485 bus.
6. the parking position reservation system based on ultrasonic listening according to claim 2, it is characterized in that described microprocessor adopts single-chip microcomputer MSP430, described single-chip microcomputer MSP430 is connected with LED parking space guide screen by RS-485 driving chip.
7. the parking position reservation system based on ultrasonic listening according to claim 2, is characterized in that described LED parking space guide screen and parking stall management server are by UART0 interface communication, has most high interrupt priority; Described LED parking space guide screen and parking lot detector are by UART1 interface communication, and UART1 is second level interrupt priority level.
8. the parking position reservation system based on ultrasonic listening according to claim 2, it is characterized in that the mailing address of described parking stall management server is set to 0x0000, the mailing address of LED parking space guide screen and connected parking lot detector is arranged by dip-switch package.
9. the parking position reservation system based on ultrasonic listening according to claim 2, it is characterized in that in the mailing address of described LED parking space guide screen, the 2nd byte is 0, the 1st byte is arranged by dip-switch package; Identical with LED parking space guide screen with the 1st byte in the mailing address of the parking lot detector that LED parking space guide screen connects, the 2nd byte is arranged by dip-switch package.
10. the parking position reservation system based on ultrasonic listening according to claim 2, it is characterized in that described parking lot detector is connected with 220vAC-5VDC Switching Power Supply to power, be provided with power management chip in described parking lot detector and power supply is managed.
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| CN104537883A (en) * | 2014-12-18 | 2015-04-22 | 招商局重庆交通科研设计院有限公司 | Peak-time avoiding parking method based on cloud service platform |
| CN104952245A (en) * | 2015-05-14 | 2015-09-30 | 佛山市顺德区龙江镇物联技术研究院 | Intelligent parking system |
| CN105185149A (en) * | 2015-07-14 | 2015-12-23 | 大连海事大学 | Parking lot parking space reservation and navigation system |
| CN105355081A (en) * | 2015-11-27 | 2016-02-24 | 深圳市芊熠智能硬件有限公司 | Parking stall state information display device and system, and method for displaying parking stall information |
| CN106683479A (en) * | 2017-02-28 | 2017-05-17 | 中原工学院 | Parking lot parking stall system based on cloud computing |
| CN107181656A (en) * | 2017-05-23 | 2017-09-19 | 安徽宇锋仓储设备有限公司 | The enhanced communication control system of fork truck |
| CN107798906A (en) * | 2017-10-18 | 2018-03-13 | 武汉嘉杰电讯科技发展有限公司 | A kind of communication system and its method for underground parking garage guiding |
| CN108320572A (en) * | 2018-01-23 | 2018-07-24 | 深圳市小猫信息技术有限公司 | Method, apparatus, computer installation and the computer readable storage medium of predetermined parking stall |
| CN110874896A (en) * | 2019-11-19 | 2020-03-10 | 嗨泊智行智能科技(南京)有限公司 | Fault-tolerant method for intelligent parking equipment acquisition and charging system |
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| FR2825544B1 (en) * | 2001-05-31 | 2003-12-05 | Schlumberger Systems & Service | METHOD AND DEVICE FOR RESERVING A PARKING SPACE |
| JP2004280242A (en) * | 2003-03-13 | 2004-10-07 | Omron Corp | Parking lot reservation device and parking lot reservation method |
| JP2005043958A (en) * | 2003-07-22 | 2005-02-17 | Seiko Epson Corp | Parking management device, parking management system and program |
| IL216880A0 (en) * | 2010-12-09 | 2012-01-31 | Sharon Eliyahu | Method and system for parking spaces reservation |
| CN102446423A (en) * | 2011-12-02 | 2012-05-09 | 福建师范大学 | Stall information inquiry and stall reservation interconnection service system |
| EP2645336A1 (en) * | 2012-03-27 | 2013-10-02 | Scheidt & Bachmann GmbH | Method for automated relaying of parking spots |
| CN102651174A (en) * | 2012-05-09 | 2012-08-29 | 政通汇隆（北京）科技有限公司 | Stall management system and method |
| CN202758498U (en) * | 2012-08-07 | 2013-02-27 | 上海中矿电气科技有限公司 | Parking lot parking space guiding system |
| CN202871099U (en) * | 2012-11-07 | 2013-04-10 | 丁同福 | Parking stall reservation intelligent terminal system |
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