CN107274715B - Large parking lot parking management system and method - Google Patents
Large parking lot parking management system and method Download PDFInfo
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- CN107274715B CN107274715B CN201710642534.8A CN201710642534A CN107274715B CN 107274715 B CN107274715 B CN 107274715B CN 201710642534 A CN201710642534 A CN 201710642534A CN 107274715 B CN107274715 B CN 107274715B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/144—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces on portable or mobile units, e.g. personal digital assistant [PDA]
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/148—Management of a network of parking areas
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
Abstract
The invention relates to a parking management system and method for a large parking lot. The system comprises a handheld terminal, a vehicle-mounted positioning terminal, a differential broadcast base station and a server. The handheld terminal is used for sending binding information to the server, and the binding information carries the serial number of the positioning terminal and the serial number of the vehicle where the positioning terminal is located; the vehicle-mounted positioning terminal and the differential broadcast base station are used for carrying out differential calculation according to original satellite positioning data information to obtain vehicle coordinate information with higher precision and sending the vehicle coordinate information to the server; the server is used for determining the parking space number of the vehicle according to the vehicle coordinate information and generating a corresponding relation table of the vehicle number and the parking space number for real-time query. The parking management system and method for the large parking lot can reduce the vehicle searching time of an automobile manufacturer in the parking lot and improve the real-time degree of vehicle inventory management.
Description
Technical Field
The invention relates to the technical field of parking management, in particular to a large parking lot parking management system and method.
Background
Vehicles produced off-line from the automobile manufacturer's production line are typically parked in large outdoor parking lots. In large-scale parking lot, because the parking stall is more, parking density is great to and the marker is similar, the direction is difficult for distinguishing the reason such as, and the limited parking staff of quantity need park hundreds of vehicles in the short time, in order to improve parking efficiency, and the concrete parking stall of every car of accurate record. According to statistics, the time spent on searching the vehicle by an automobile manufacturer in the processes of daily maintenance, delivery and the like of the vehicle is averagely 2.5 h. In addition, parking spaces cannot be reasonably arranged according to the real-time parking space idle condition, so that on-site vehicles are parked disorderly, inventory management data for parking the vehicles is lost, a scheduling plan of the vehicles cannot be flexibly arranged according to the dynamic change of the quantity of the inventory vehicles, and certain capacity waste is caused.
Disclosure of Invention
The invention provides a parking management system and a parking management method for a large parking lot, which aim to accurately position off-line vehicles in the large parking lot, quickly update the content of a vehicle management information database, reduce the vehicle searching time and improve the real-time degree of vehicle inventory management.
In one aspect, the present invention provides a parking management system for a large parking lot, including: the system comprises a handheld terminal, a vehicle-mounted positioning terminal, a differential broadcast base station and a server;
the handheld terminal is used for sending binding information to the server, and the binding information carries a terminal number of the vehicle-mounted positioning terminal and a vehicle number of a vehicle where the vehicle-mounted positioning terminal is located;
the differential broadcast base station is used for receiving original satellite positioning data information of the base station, generating differential satellite positioning data information according to the original satellite positioning data information of the base station and stored accurate coordinate information of the base station, and sending the differential positioning data information to the vehicle-mounted positioning terminal;
the vehicle-mounted positioning terminal is arranged in a vehicle and used for receiving terminal original satellite positioning data information, determining vehicle coordinate information according to the terminal original satellite positioning data information and the differential satellite positioning data information, and sending the vehicle coordinate information to the server;
the server is used for storing the binding information and the vehicle coordinate information, recording the reporting time of the vehicle coordinate information, determining the parking space number of the vehicle according to the vehicle coordinate information, and generating a corresponding relation table of the vehicle number, the parking space number and the reporting time.
The invention has the advantages that when the vehicle is off-line, the vehicle-mounted positioning terminal is arranged in the vehicle-mounted positioning terminal, the positioning terminal number and the vehicle number are obtained through the handheld terminal, the positioning terminal number and the vehicle number are bound, and the binding information is sent to the server. Because the parking area of an automobile manufacturer is large, when a vehicle is off-line and stops in the parking lot, the accurate parking position is not recorded, and the parking direction is not easy to determine in the subsequent vehicle searching process. And the vehicle-mounted positioning terminal and the differential broadcast base station obtain high-precision positioning information of the vehicle through differential calculation and send the high-precision positioning information to the server. The server can obtain the accurate parking stall information of vehicle according to high accuracy positioning information, because vehicle serial number and on-vehicle positioning terminal serial number bind, can confirm corresponding on-vehicle positioning terminal's serial number and coordinate information through the vehicle serial number, also be exactly the coordinate information of vehicle, and then can obtain the parking stall that the vehicle was located, conveniently seek the car operation to can take notes the in service behavior in all parking stalls, conveniently arrange the parking of other vehicles of rolling off the production line. The vehicle searching time is reduced, the vehicle management difficulty is reduced, and the utilization rate of the parking lot is improved.
On the other hand, the invention provides a parking management method for a large parking lot, which comprises the following steps:
s01: the handheld terminal sends binding information to a server, wherein the binding information carries a terminal number of the vehicle-mounted positioning terminal and a vehicle number of a vehicle where the vehicle-mounted positioning terminal is located;
s02: the differential broadcast base station receives base station original satellite positioning data information, generates differential satellite positioning data information according to the base station original satellite positioning data information and stored base station accurate coordinate information, and sends the differential positioning data information to the vehicle-mounted positioning terminal;
s03: the method comprises the steps that a vehicle-mounted positioning terminal receives terminal original satellite positioning data information, vehicle coordinate information is determined according to the terminal original satellite positioning data information and differential satellite positioning data information, and the vehicle coordinate information is sent to a server;
s04: the server stores the binding information and the vehicle coordinate information, records the reporting time of the vehicle coordinate information, determines the parking space number of the vehicle according to the vehicle coordinate information, and generates a corresponding relation table of the vehicle number, the parking space number and the reporting time.
The invention has the advantages that when the vehicle is off-line, the vehicle-mounted positioning terminal is arranged in the vehicle-mounted positioning terminal, the positioning terminal number and the vehicle number are obtained through the handheld terminal, the positioning terminal number and the vehicle number are bound, and the binding information is sent to the server. Because the parking area of an automobile manufacturer is large, when a vehicle is off-line and stops in the parking lot, the accurate parking position is not recorded, and the parking direction is not easy to determine in the subsequent vehicle searching process. And the vehicle-mounted positioning terminal and the differential broadcast base station obtain high-precision positioning information of the vehicle through differential calculation and send the high-precision positioning information to the server. The server can obtain the accurate parking stall information of vehicle according to high accuracy positioning information, because vehicle serial number and on-vehicle positioning terminal serial number bind, can confirm corresponding on-vehicle positioning terminal's serial number and coordinate information through the vehicle serial number, also be exactly the coordinate information of vehicle, and then can obtain the parking stall that the vehicle was located, conveniently seek the car operation to can take notes the in service behavior in all parking stalls, conveniently arrange the parking of other vehicles of rolling off the production line. The vehicle searching time is reduced, the vehicle management difficulty is reduced, and the utilization rate of the parking lot is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a parking management system for a large parking lot according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a parking management method for a large parking lot according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The parking management system for the large parking lot in the embodiment of the invention comprises: the system comprises a handheld terminal, a vehicle-mounted positioning terminal, a differential broadcast base station and a server.
The handheld terminal is used for sending binding information to the server, and the binding information carries the terminal number of the vehicle-mounted positioning terminal and the vehicle number of the vehicle where the vehicle-mounted positioning terminal is located.
The differential broadcast base station is used for receiving the original satellite positioning data information of the base station, generating differential satellite positioning data information according to the original satellite positioning data information of the base station and the stored accurate coordinate information of the base station, and sending the differential positioning data information to the vehicle-mounted positioning terminal.
The vehicle-mounted positioning terminal is arranged in a vehicle and used for receiving terminal original satellite positioning data information, determining vehicle coordinate information according to the terminal original satellite positioning data information and the differential satellite positioning data information, and sending the vehicle coordinate information to the server.
The server is used for storing the binding information and the vehicle coordinate information, recording the reporting time of the vehicle coordinate information, determining the parking space number of the vehicle according to the vehicle coordinate information, and generating a corresponding relation table of the vehicle number, the parking space number and the reporting time.
Specifically, after the vehicle is offline, the vehicle-mounted positioning terminal is installed in the vehicle-mounted positioning terminal, when the vehicle exits from a parking lot or a factory gate, the vehicle-mounted positioning terminal is recovered uniformly and recycled, construction in the parking lot is not needed, therefore, the vehicle is not needed to be positioned in a geomagnetic induction mode, and the warehousing flow and the production efficiency of the offline vehicle in a production line cannot be influenced.
The handheld terminal is a laser bar code PDA supporting WIFI, after the vehicle-mounted positioning terminal is installed in a vehicle, the positioning terminal number and the vehicle number are input through the handheld terminal, or a bar code or a two-dimensional code representing the positioning terminal number and a bar code or a two-dimensional code representing the vehicle number are input through code scanning of the handheld terminal, binding information carrying the positioning terminal number and the vehicle number is generated, and the binding information is sent to the server. The binding information can be firstly transmitted to a terminal near a production line through WIFI, and then transmitted to a server through a network.
The parking space specification of the commercial vehicle is generally 4m multiplied by 3m, and the positioning accuracy of the general civil grade satellite is within 15 m, so that the required positioning accuracy cannot be met. After receiving the satellite positioning data information, the differential broadcast base station calculates the differential positioning data information according to the stored accurate coordinate information and sends the differential positioning data information to the vehicle-mounted positioning terminal. The vehicle-mounted positioning terminal obtains high-precision vehicle coordinate information by obtaining the original positioning data information and the differential positioning data information transmitted by the differential broadcasting base station and calculating according to the original positioning data information and the differential positioning data information. The vehicle coordinate information is preferably pseudo-range differential positioning information. The vehicle-mounted positioning terminal has the advantages of low volume production cost and small network data volume, can be applied to offline vehicles of automobile manufacturers on a large scale, improves parking positioning accuracy, and is convenient to find vehicles.
The server stores the binding information, namely the relation between the vehicle number and the positioning terminal number, and accurately determines the parking space where the vehicle is located in the parking lot parking space information presented in a tabular form or other forms according to the vehicle coordinate information. For example, the server stores an electronic map schematic diagram simulating a real parking lot and all the divided parking spaces thereof, each parking space has a corresponding area and a row and column number, each parking space can respectively correspond to tables of calibration rows and calibration columns according to the numbers, and each table corresponds to coordinate information within a certain error range, so that the parking space information can be determined after the vehicle coordinate information is determined. Since the vehicle number represents the calibrated vehicle, the parking space of the calibrated vehicle can be determined by determining the number of the vehicle-mounted positioning terminal corresponding to the vehicle number and the specific position of the vehicle-mounted positioning terminal. In addition, the server also stores the reporting time of the vehicle coordinate information, so that the parking time can be obtained by inquiring the vehicle number, and the parking space use of the parking lot is coordinated and arranged together with the parking space use condition.
In the embodiment, when the vehicle is off-line, the vehicle-mounted positioning terminal is installed in the vehicle-mounted positioning terminal, the positioning terminal number and the vehicle number are obtained through the handheld terminal, the positioning terminal number and the vehicle number are bound, and the binding information is sent to the server. Because the parking area of an automobile manufacturer is large, when a vehicle is off-line and stops in the parking lot, the accurate parking position is not recorded, and the parking direction is not easy to determine in the subsequent vehicle searching process. And the vehicle-mounted positioning terminal and the differential broadcast base station obtain high-precision positioning information of the vehicle through differential calculation and send the high-precision positioning information to the server. The server can obtain the accurate parking stall information of vehicle according to high accuracy positioning information, because vehicle serial number and on-vehicle positioning terminal serial number bind, can confirm corresponding on-vehicle positioning terminal's serial number and coordinate information through the vehicle serial number, also be exactly the coordinate information of vehicle, and then can obtain the parking stall that the vehicle was located, conveniently seek the car operation to can take notes the in service behavior in all parking stalls, conveniently arrange the parking of other vehicles of rolling off the production line. The vehicle searching time is reduced, the vehicle management difficulty is reduced, and the utilization rate of the parking lot is improved. The system meets the management requirement of 50000 vehicles in a single parking lot, and the vehicle positioning accuracy rate is more than 98%.
Preferably, the system further comprises a communication base station, and the communication base station is configured to forward the vehicle coordinate information sent by the vehicle-mounted positioning terminal to the server.
Because the parking lot is large and the number of vehicle-mounted positioning terminals is large, the vehicle coordinate information sent by the vehicle-mounted positioning terminals is forwarded to the server through the communication base station, the real-time performance and the accuracy of information transmission can be guaranteed, and the possibility of information loss is reduced.
Preferably, the vehicle-mounted positioning terminal supports a GPS and BDS dual-satellite positioning system. Under the condition that the cost is not greatly improved, a double-satellite positioning system of a Global Positioning System (GPS) and a Beidou positioning system (BDS) can obtain higher positioning precision, so that the vehicle is positioned more accurately, and the vehicle searching accuracy is improved.
The vehicle-mounted positioning terminal is connected to an OBD interface of the vehicle and is further used for sending the self-checking fault information to the server through the communication base station. The vehicle-mounted positioning terminal is powered through a vehicle OBD interface and enters a working state and a low power consumption state through the presence or absence of the CAN message on the vehicle. When the vehicle-mounted positioning terminal is installed in a vehicle, a driver places an ignition switch in ACCON, the terminal is awakened from a low power consumption mode at the moment, the vehicle is flamed out after the vehicle drives into a parking space of a parking lot, the ignition switch is placed in ACCOFF, and the terminal enters the low power consumption mode at the moment. The vehicle-mounted positioning terminal can run with low power consumption through a vehicle power supply system, and sends self-checking fault information to the server, so that the monitoring by the background is facilitated, and the damaged terminal can be maintained or replaced in time.
Preferably, the vehicle-mounted positioning terminal and the differential broadcast base station both comprise an LoRa wireless radio frequency module, and the vehicle-mounted positioning terminal and the differential broadcast base station are in communication connection in an LoRa wireless radio frequency mode.
The system comprises a plurality of communication base stations, the vehicle-mounted positioning terminal is in communication connection with one of the communication base stations, each communication base station comprises an LoRa wireless radio frequency module, and the vehicle-mounted positioning terminal is in communication connection with the communication base stations in a LoRa wireless radio frequency mode. The priority of the connection between the vehicle-mounted positioning terminal and the communication base station is determined according to the distance between the communication base station and the vehicle-mounted terminal, and the closer the distance, the higher the priority. When the communication connection between the vehicle-mounted positioning terminal and the communication base station closest to the vehicle-mounted positioning terminal fails, the vehicle-mounted positioning terminal is in communication connection with other communication base stations according to the sequence of the distances from near to far.
In particular, LoRa is a wireless technology, and is easier to communicate at a low power consumption long distance based on a Sub-GHz frequency band, and can be powered by a battery or other energy collection modes. Lower data rates also extend battery life and increase the capacity of the network. The LoRa signal also penetrates the building very strongly. The energy consumption of transmission between the vehicle-mounted positioning terminal and the base station can be effectively reduced by applying the LoRa wireless transmission mode, and the vehicle-mounted positioning terminal is suitable for large-scale deployment. The coverage area is inversely proportional to the data transmission rate, and in order to ensure the stability of data transmission and achieve the transmission rate of 10168bps, a communication base station is required in every 500 meters of radius through field test verification.
The method comprises the steps that dynamic frequency band allocation is achieved between a communication base station and a vehicle-mounted positioning terminal, the vehicle-mounted positioning terminal receives and updates a transceiving frequency band list, the shortest distance between the coordinates of the vehicle-mounted positioning terminal and the coordinates of the base station serves as a transceiving sequence to communicate with the vehicle-mounted positioning terminal, the next communication base station, namely the communication base station with the second shortest distance to the next communication base station, is automatically tried after the communication response is overtime, and the like.
When the vehicle-mounted CAN stops, the vehicle-mounted terminal quickly matches a receiving and transmitting channel of the nearest base station LoRa according to the received routing information of the communication base station, and tries to report the terminal equipment identification and the calculated high-precision positioning information to the communication base station by using the base station monitoring channel. And after the transmission is finished, the vehicle-mounted terminal immediately switches the channel to the base station transmission channel. After the communication base station receives and correctly analyzes the reported positioning data, the base station is used for sending a channel to reply an Ack immediately. If the terminal equipment does not monitor the Ack returned by the communication base station within 5 seconds, the communication is considered to be failed, and the vehicle-mounted terminal can search other nearby base stations to report the position information of the positioning terminal according to the routing information of the communication base station. And if the terminal receives the base station Ack and does not time out, immediately entering a low power consumption mode.
Multiple handshaking and frequency modulation technologies are adopted between the vehicle-mounted terminal and the communication base station to ensure the effectiveness of data transmission. By adopting a CRN (cognitive Radio networks) technology, a field interference frequency band is detected, an interfered LoRa frequency band is dynamically avoided, automatic distribution of the LoRa frequency band of the communication base station is realized, and frequency band interference is effectively reduced. By combining with the protocol optimization transmission network design of V2I (Vehicle-to-Infrastructure), the load is dynamically adjusted by using the neural network technology, and the intelligent control of the real-time and efficient communication of the high-density terminals in the area is realized.
Preferably, the communication base station and the server are in communication connection through a Socket long connection based on a TCP/IP protocol. The server is also used for broadcasting and sending heartbeat packet information to the communication base station at regular time. The communication base station is used for sending the running health data information to the server at regular time and automatically reconnecting the server when the heartbeat packet information is not received within the preset time.
The communication base station and the server adopt a storage system with Redis master-slave layout, and the communication base station stores the received terminal report information into a forwarding message queue and persists the message list. When network faults, abnormal service or maintenance occur between the communication base station and the server, the communication base station can continuously ensure normal data report of the positioning terminal in the parking lot. The communication base station is connected with the server through a private network, and bidirectional real-time communication between the communication base station and the server is realized through Socket long connection application based on a TCP/IP protocol. The server sends heartbeat packet information to the communication base station at regular time and receives feedback information to monitor whether the communication base station is normally connected, and when the network is disconnected or the service connection fails, the communication base station can try to reconnect the server at regular time. And after the communication base station is successfully connected with the server, the communication base station can immediately forward the cached reported data to the server for processing. In addition, the communication base station can also send the running health data information to the server at regular time, thereby being convenient for maintaining the base station.
Preferably, as shown in fig. 1, the system further comprises a Web application server. And the Web application server is used for accessing the corresponding relation table of the server and obtaining the corresponding parking space number and the reporting time when the vehicle number is input. The Web application server can inquire the vehicle number, the parking space number, the reporting time, the self-checking fault information of the vehicle-mounted positioning terminal, the running health information of the communication base station and the like through the B/S mode, so that the parking management system is more perfect, the vehicle searching is convenient, the offline vehicle parking can be arranged according to the information, and related hardware is overhauled.
The vehicle-mounted positioning terminal comprises 1 Cortex-M4F 32Bit microprocessor, 1 single-frequency GPS module supporting GPS + BDS double systems and an original data format, 1 LoRa wireless radio frequency communication module supporting week standing work, and 1 set of power management circuit supporting CAN conversion module and vehicle OBD interface power supply.
The communication base station comprises a core board supporting a Linux embedded system, a high-speed storage module, a single-frequency double-star satellite positioning module, a LoRa wireless radio frequency module and a gigabit network port.
The differential broadcast base station comprises a core board supporting a Linux embedded system, a dual-frequency satellite positioning module, a LoRa wireless radio frequency module and a gigabit network port.
Fig. 2 is a schematic flow chart of a parking management method for a large parking lot according to an embodiment of the present invention. As shown in fig. 2, the method comprises the steps of:
s01: and the handheld terminal sends binding information to the server, wherein the binding information carries the terminal number of the vehicle-mounted positioning terminal and the vehicle number of the vehicle in which the vehicle-mounted positioning terminal is positioned.
S02: the differential broadcast base station receives base station original satellite positioning data information, generates differential satellite positioning data information according to the base station original satellite positioning data information and stored base station accurate coordinate information, and sends the differential positioning data information to the vehicle-mounted positioning terminal.
S03: the vehicle-mounted positioning terminal receives terminal original satellite positioning data information, determines vehicle coordinate information according to the terminal original satellite positioning data information and the differential satellite positioning data information, and sends the vehicle coordinate information to a server.
S04: the server stores the binding information and the vehicle coordinate information, records the reporting time of the vehicle coordinate information, determines the parking space number of the vehicle according to the vehicle coordinate information, and generates a corresponding relation table of the vehicle number, the parking space number and the reporting time.
In the embodiment, when the vehicle is off-line, the vehicle-mounted positioning terminal is installed in the vehicle-mounted positioning terminal, the positioning terminal number and the vehicle number are obtained through the handheld terminal, the positioning terminal number and the vehicle number are bound, and the binding information is sent to the server. Because the parking area of an automobile manufacturer is large, when a vehicle is off-line and stops in the parking lot, the accurate parking position is not recorded, and the parking direction is not easy to determine in the subsequent vehicle searching process. And the vehicle-mounted positioning terminal and the differential broadcast base station obtain high-precision positioning information of the vehicle through differential calculation and send the high-precision positioning information to the server. The server can obtain accurate parking space information of the vehicle according to the high-precision positioning information, and because the vehicle number is bound with the vehicle-mounted positioning terminal number, the number and the coordinate information of the corresponding vehicle-mounted positioning terminal can be determined through the vehicle number, namely the coordinate information of the vehicle, so that the parking space where the vehicle is located can be obtained, the vehicle searching operation is convenient, the use condition of all parking spaces can be recorded, and the parking of other off-line vehicles is convenient to arrange. The vehicle searching time is reduced, the vehicle management difficulty is reduced, and the utilization rate of the parking lot is improved. Tested in the field. The method meets the management requirement of 50000 vehicles in a single parking lot, and the vehicle positioning accuracy rate is more than 98%.
On the basis of the above embodiment, the method further comprises the steps of:
s05: and the Web application server accesses the corresponding relation table of the server, and acquires the corresponding parking space number and the reporting time when the vehicle number is input.
In the embodiment, the Web application server enables the data application range in the system to be wider, the utilization efficiency to be higher, the vehicle searching to be more convenient, the offline vehicle parking to be arranged, and the equipment maintenance to be arranged.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The utility model provides a large-scale parking area parking management system, is applied to parking car manufacturer's production line vehicle off-line's parking area which characterized in that, the system includes: the system comprises a handheld terminal, a vehicle-mounted positioning terminal, a differential broadcast base station, a plurality of communication base stations and a server;
the handheld terminal is used for inputting or scanning a code and inputting a plurality of vehicle-mounted positioning terminal numbers and corresponding vehicle numbers after the vehicle-mounted positioning terminals are installed in vehicles which are off-line and parked in a parking lot, generating binding information carrying the vehicle-mounted positioning terminal numbers and the vehicle numbers of the vehicles where the vehicle-mounted positioning terminals are located, transmitting the binding information to terminals near a production line through WIFI (wireless fidelity), and transmitting the binding information to a server through a network;
the differential broadcast base station is used for receiving original satellite positioning data information of the base station, generating differential satellite positioning data information according to the original satellite positioning data information of the base station and stored accurate coordinate information of the base station, and sending the differential satellite positioning data information to the vehicle-mounted positioning terminal;
the vehicle-mounted positioning terminal is used for receiving terminal original satellite positioning data information, determining vehicle coordinate information of vehicles which are located in a parking lot and correspond to the vehicle-mounted terminal one by one according to the terminal original satellite positioning data information and the differential satellite positioning data information, and sending the vehicle coordinate information and the corresponding vehicle-mounted positioning terminal number to the server through a communication base station;
the vehicle-mounted positioning terminal is in communication connection with one of the communication base stations, the priority of the connection between the vehicle-mounted positioning terminal and the communication base stations is determined according to the distance between the communication base stations and the vehicle-mounted terminal, the closer the distance is, the higher the priority is, and when the communication connection between the vehicle-mounted positioning terminal and the communication base station closest to the vehicle-mounted positioning terminal fails, the vehicle-mounted positioning terminal is in communication connection with other communication base stations in the order of the distance from the near to the far;
the server is used for storing the binding information and the corresponding vehicle coordinate information, recording the reporting time of the vehicle coordinate information, determining the parking space number of a vehicle in parking lot parking space information according to the vehicle coordinate information, and generating a corresponding relation table of the vehicle number, the parking space number and the reporting time so as to inquire the parking space number and the reporting time of the corresponding vehicle in the relation table according to the vehicle number and coordinate the use of the parking space in the parking lot together with the use condition of the parking space;
the handheld terminal is a laser bar code PDA supporting WIFI;
the system also comprises a Web application server, wherein the Web application server is used for accessing the corresponding relation table of the server, and when the vehicle number is input, the corresponding parking space number and the reporting time are obtained, so that the off-line vehicle can be conveniently arranged to park;
and the vehicle-mounted positioning terminal is uniformly recycled when being taken out of the warehouse, so that the vehicle-mounted positioning terminal can be recycled later.
2. The parking management system for the large parking lot according to claim 1, wherein the vehicle-mounted positioning terminal and the differential broadcasting base station comprise LoRa wireless radio frequency modules, and the vehicle-mounted positioning terminal and the differential broadcasting base station are in communication connection in a LoRa wireless radio frequency mode.
3. The parking management system for the large parking lot according to claim 2, wherein the communication base station comprises an LoRa wireless radio frequency module, and the vehicle-mounted positioning terminal and the communication base station are in communication connection in an LoRa wireless radio frequency mode.
4. The parking management system for a large parking lot according to claim 3, wherein the communication base station and the server are in communication connection through a Socket long connection based on a TCP/IP protocol;
the server is further configured to broadcast heartbeat packet information to the communication base station at regular time;
the communication base station is further used for sending the running health data information to the server at regular time, and automatically reconnecting the server when the heartbeat packet information is not received within the preset time.
5. The parking management system for the large parking lot according to claim 4, wherein the vehicle-mounted positioning terminal is connected to an OBD interface of a vehicle, and is further used for sending self-checking fault information to the server through the communication base station.
6. The parking management system for large parking lots according to any one of claims 1 to 5, wherein the vehicle-mounted positioning terminal supports a GPS and BDS dual satellite positioning system.
7. A parking management method for a large parking lot is applied to parking lots for off-line vehicles on a production line of a parking manufacturer, and is characterized by comprising the following steps:
s01: after the vehicle-mounted positioning terminal is installed in a vehicle which is offline and parked in a parking lot, a plurality of vehicle-mounted positioning terminal numbers and corresponding vehicle numbers are input or scanned through a handheld terminal, binding information carrying the vehicle-mounted positioning terminal numbers and the vehicle numbers of the vehicles where the vehicle-mounted positioning terminals are located is generated, and is transmitted to terminals near a production line through WIFI (wireless fidelity), and then is transmitted to a server through a network;
s02: the differential broadcast base station receives base station original satellite positioning data information, generates differential satellite positioning data information according to the base station original satellite positioning data information and stored base station accurate coordinate information, and sends the differential satellite positioning data information to the vehicle-mounted positioning terminal;
s03: the method comprises the steps that a vehicle-mounted positioning terminal receives terminal original satellite positioning data information, vehicle coordinate information which is located in a parking lot and corresponds to vehicles one by one with the vehicle-mounted positioning terminal is determined according to the terminal original satellite positioning data information and the differential satellite positioning data information, and the vehicle coordinate information and the corresponding vehicle-mounted positioning terminal number are sent to a server through a communication base station;
s04: the server stores the binding information and the vehicle coordinate information, records the reporting time of the vehicle coordinate information, determines the parking space number of a vehicle in parking lot parking space information according to the vehicle coordinate information, and generates a corresponding relation table of the vehicle number, the parking space number and the reporting time so as to inquire the parking space number and the reporting time of the corresponding vehicle in the relation table according to the vehicle number and coordinate the use of the parking space of the parking lot with the use condition of the parking space;
s05: the Web application server accesses the corresponding relation table of the server, and when the vehicle number is input, the corresponding parking space number and the reporting time are obtained, so that off-line vehicle parking is conveniently arranged;
the vehicle-mounted positioning terminal is in communication connection with one of the communication base stations, the priority of the connection between the vehicle-mounted positioning terminal and the communication base stations is determined according to the distance between the communication base stations and the vehicle-mounted terminal, the closer the distance is, the higher the priority is, and when the communication connection between the vehicle-mounted positioning terminal and the communication base station closest to the vehicle-mounted positioning terminal fails, the vehicle-mounted positioning terminal is in communication connection with other communication base stations in the order of the distance from the near to the far;
and the vehicle-mounted positioning terminal is uniformly recycled when being taken out of the warehouse, so that the vehicle-mounted positioning terminal can be recycled later.
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