CN111932937A - Urban parking space reservation scheduling system based on Internet of things technology and working method thereof - Google Patents
Urban parking space reservation scheduling system based on Internet of things technology and working method thereof Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
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- G08G1/00—Traffic control systems for road vehicles
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- 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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- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
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Abstract
The urban parking space reservation scheduling system based on the Internet of things technology comprises a plurality of parking space state identification and positioning systems, an urban parking space reservation scheduling system and a user mobile phone APP; the parking space state identification and positioning system is used for identifying the parking state, the parking time and the position coordinate of the parking space, and transmitting the data information to the reservation scheduling system in real time for statistical analysis; providing a Bluetooth positioning signal to provide accurate coordinate information for the vehicle running indoors; the urban parking space reservation scheduling system dispatches and receives a parking space information searching instruction, pushes optimal parking space information according to the position coordinates of the car owner and the nearby parking space conditions, receives data information sent by the parking space state identification and positioning system, and counts and analyzes the urban parking space information and the parking space information nearby the car owner; the mobile phone APP obtains a nearby parking space seeking instruction sent by a vehicle owner and vehicle position information of the vehicle owner, uploads the reserved scheduling system, and analyzes and processes the nearby parking space information for a user to select.
Description
Technical Field
The invention relates to the field of automobile parking management, in particular to an urban parking space reservation scheduling system based on the technology of the Internet of things and a working method thereof.
Background
In daily life, many times can spend plenty of time because of looking for the parking stall, especially during holidays, each big road, parking area vehicle are more, look for the parking stall extremely difficultly, also can see many manmade pictures simultaneously and conveniently and hold the luck psychology and break law. On one hand, the parking space is difficult to find after the vehicle owner arrives at the destination because the vehicle owner does not know the state of the parking space near the destination and finds the indoor parking space, on the other hand, although the current navigation software can provide parking lot information, the parking space information cannot be accurately provided, and the navigation software cannot accurately navigate in the indoor parking lot, so that the parking difficulty is caused or the situation that the parking space is slowly found to cause the congestion of the indoor parking lot due to the fact that a part of the vehicle owners arrive at the parking lot because the parking spaces are full is caused. The phenomenon often occurs in life, so that on one hand, the driving experience of a vehicle owner is reduced, the waiting time of the vehicle owner is increased, the possibility of the illegal parking phenomenon of the vehicle owner is also improved, on the other hand, the probability of road congestion and illegal parking occupying lanes is also increased, and the urban traffic management pressure is greatly improved.
Disclosure of Invention
The invention aims to overcome the problems and provides an urban parking space reservation and scheduling system based on the Internet of things technology and a working method thereof. By utilizing the 5G technology, the LoRa technology, the Beidou positioning technology and the indoor positioning technology, the parking information and the position information initiated by the user are calculated by the reservation scheduling system, the parking information and the indoor navigation are provided for the user, on one hand, the user can find the parking space in the shortest time, on the other hand, the phenomena of road congestion, illegal parking and the like are reduced, and the traffic management pressure is relieved.
The technical scheme is as follows: in order to achieve the purpose, the urban parking space reservation scheduling system based on the internet of things technology comprises a plurality of parking space state identification and positioning systems, an urban parking space reservation scheduling system and a user mobile phone APP;
the parking space state identification and positioning system is mainly used for identifying the parking state, the parking time, the position coordinate and the like of a parking space, namely identifying whether a vehicle is parked in the parking space, the parking time point and the parking duration of the vehicle and the parking space information coordinate, and transmitting data information to the urban parking space reservation scheduling system in real time for statistics and analysis of the urban parking space reservation scheduling system; meanwhile, a Bluetooth positioning signal is provided, so that accurate coordinate information is provided for vehicles running indoors, and the vehicles can conveniently and quickly navigate to a required parking space;
the urban parking space reservation scheduling system is mainly used for receiving a parking space information searching instruction initiated by a user, pushing optimal parking space information according to the position coordinates of a vehicle owner and the nearby parking space conditions, receiving data information sent by a parking space state identification and positioning system, and counting and analyzing the current urban parking space information and the nearby parking space information of the vehicle owner;
the user mobile phone APP is mainly used for obtaining a command of seeking nearby parking space information and vehicle position information of a vehicle owner sent by the vehicle owner, uploading the command to the urban parking space reservation scheduling system, receiving the nearby parking space information analyzed and processed by the urban parking space reservation scheduling system, and enabling a user to select a parking position.
Furthermore, the parking space state identification and positioning system comprises a data uploading service station based on 5G communication, a parking space state identifier and a Bluetooth gateway system; the parking space state recognizers are arranged on each parking space, each parking space state recognizer comprises an LoRa module and performs automatic LoRa networking, and data information acquired by each parking space state recognizer is transmitted to a data uploading service station based on 5G communication through an LoRa network;
the data uploading service station based on 5G communication is mainly used for acquiring parking space parking state, vehicle parking time point and duration and parking space information coordinate information which are acquired by the parking space state recognizer, uploading the parking space parking state, the vehicle parking time point and duration and the parking space information coordinate information to the urban parking space reservation scheduling system through a 5G network, analyzing and processing the parking space reservation scheduling system by the urban parking space reservation scheduling system, and receiving data information fed back by the urban parking space reservation scheduling system; parking stall state recognizer is the recognizer that an discernment vehicle parking state, calculation parking time, provide parking coordinate information, possesses loRa ad hoc network function, can build the loRa network fast, and parking stall state recognition and positioning system need settle in road section or parking area in advance and accomplish, and wherein parking stall state recognizer need be installed in the parking stall according to a one-to-one principle.
The Bluetooth gateway system adopts Bluetooth RSSI values and carries out positioning based on a triangulation positioning principle, and calculates current coordinates through RSSI values from the Bluetooth of a user mobile phone to each Bluetooth gateway so as to provide indoor navigation service for the mobile phone; aiming at an indoor parking lot, a Bluetooth gateway system is required to be arranged for providing an indoor positioning technology, so that when a vehicle enters the indoor parking lot, an indoor positioning navigation service can be provided according to indoor positioning coordinates. The RSSI value torque algorithm for calculating the positioning coordinates of the current mobile phone APP through the principle of the triangulation positioning algorithm is as follows:
d =10^ ((ABS (RSSI) -A)/(10 × n)), d is the distance, in m; RSSI is signal strength, which is a negative number; a is that the RSSI absolute value of the mobile phone 1m away from the Bluetooth gateway is between 45 and 49; n is an environment attenuation factor, the numerical range is 3.25-4.5, and the coordinates (x, y) of the mobile phone of the user can be calculated by using the following formula because the coordinates of each Bluetooth gateway in the indoor parking station are known:
(x1–x)^2 + (y1-y)^2 = d1^2；
(x2–x)^2 + (y2-y)^2= d2^2；
(x3- x)^2 + (y3-y)^2= d3^2。
further, the parking space state identifier comprises a LoRa slave module, a microprocessor, a gravity sensor, a Beidou positioning module and a power management circuit; the LoRa slave module is used for networking and uploading a parking space state identifier to obtain vehicle stopping conditions and vehicle stopping time information according to gravity information and Beidou positioning coordinate analysis; the microprocessor is used for processing and analyzing signals collected by the gravity sensor and the Beidou positioning module, and controlling networking and data uploading of the LoRa slave module; the gravity sensor is mainly used for identifying the parking condition of the vehicle; the Beidou positioning module mainly acquires geographic coordinate information of the parking space and can manually input address coordinate information by using a Bluetooth gateway or a manual mode aiming at the indoor parking space; the power management circuit reduces the voltage of the mains supply, and the parking space state recognizer works and uses the voltage.
Furthermore, the parking spaces where the parking space state identifiers are installed are coated with reflective materials, the projection devices are installed above the parking spaces, and the urban parking space reservation scheduling system projects license plate numbers of reserved vehicles to the parking space ground on the parking spaces for the user to check the reserved parking spaces and prevent the vehicles which are not reserved from entering the reserved parking spaces.
Furthermore, the data uploading service station based on 5G communication comprises a 5G data uploading module, a LoRa host module, a Bluetooth host module, a storage battery, a microprocessor and a power management circuit; the 5G data uploading module is used for uploading all collected data to the urban parking space reservation scheduling system for processing through a 5G network; the LoRa host computer module is used for receiving data information collected by each parking space state recognizer in the same area or the same parking lot and uploading the data information to the microprocessor; the storage battery is used for maintaining the normal operation of the system during power failure; the microprocessor is used for controlling the data uploading of the 5G data uploading module, receiving data of the LoRa host module, acquiring information and controlling the acquired electric quantity information; the power management circuit is mainly used for supplying commercial power to the storage battery for charging and supplying the voltage of the storage battery to the system for working when the system works and is powered off.
Furthermore, the urban parking space reservation scheduling system comprises a computer and analysis software running on the computer, and is mainly used for receiving, processing and analyzing parking space information uploaded by all parking space state identification and positioning systems in a city and a reserved parking instruction initiated by a user, and sending processed nearby parking information to a mobile phone client APP terminal for the user to select a desired parking space.
Further, the bluetooth gateway system includes many bluetooth gateways, power and data transmission line, and after the user got into the parking garage, cell-phone APP opened the cell-phone bluetooth to near bluetooth gateway broadcast signal, and the RSSI value of the cell-phone of calculating conveys the data upload service station based on the 5G communication through bluetooth gateway through data transmission line, and the concrete position at terminal is calculated to the location algorithm that the server is built-in to report to urban parking stall reservation dispatch system, by urban parking stall reservation dispatch system analysis processing back, will indoor navigation map send to user's cell-phone APP end.
Furthermore, the user mobile phone APP can send a parking space reservation instruction to the urban parking space reservation dispatching system, receive nearby parking space information sent by the urban parking space reservation dispatching system, pay for parking by itself, provide mobile phone positioning coordinates, independently start mobile phone Bluetooth and send Bluetooth broadcast to the indoor parking lot Bluetooth positioning system for positioning, receive indoor navigation circuits and display and update in real time.
Furthermore, the parking space state identification and positioning system is powered by mains supply, a storage battery or solar energy, and the parking space state identification and positioning system is wholly in a low-power-consumption mode.
A working method of an urban parking space reservation and scheduling system based on the Internet of things technology comprises the following specific working methods:
(1) after the parking space state recognizer is started, the parking space state recognizer enters a self-checking state, an LoRa networking mode is started after the self-checking is finished, and after networking is successful, self state information is reported to a data uploading service station based on 5G communication through an LoRa network;
(2) if the parking space state identifier is in a normal mode, entering a low power consumption state after reporting the self state information, and reporting the self state information at intervals; if the parking space state identifier is in an abnormal state, reporting the abnormal state of the parking space state identifier, and waiting for maintenance personnel to maintain;
(3) the data uploading service station based on 5G communication is started and then enters a self-checking state, and after the self-checking is finished, the data uploading service station is used as an LoRa host mode, is added into a LoRa network to receive information sent by a parking space state identifier, and simultaneously reports all the information to an urban parking space reservation scheduling system;
(4) after a user initiates a parking space reservation instruction, a municipal parking space reservation scheduling system quickly analyzes parking space information nearby the user according to a user positioning coordinate, performs priority sequencing according to the distance, and enables the user to independently select the parking space information;
(5) aiming at an indoor parking space, when a user enters the indoor parking lot, a Bluetooth gateway system can capture a broadcast signal of a user mobile phone Bluetooth and uploads the broadcast signal to a data uploading service station based on 5G communication, a positioning coordinate of a current mobile phone APP is calculated by the Bluetooth gateway system according to a principle of a triangular positioning algorithm and is sent to an urban parking space reservation scheduling system through a 5G network, an indoor navigation line is calculated by the urban parking space reservation scheduling system according to the user requirement and then is sent to a client APP end, and the user can arrive at the parking space in the fastest time;
aiming at an indoor parking space, when an owner is in a room, a mobile phone Bluetooth is turned on and sends a mobile phone Bluetooth broadcast signal, each indoor Bluetooth gateway captures the broadcast signal at the same time, an RSSI value is extracted from the broadcast signal, the value is transmitted to a data uploading service station based on 5G communication in real time by the Bluetooth gateway at the moment, the data uploading service station based on 5G communication firstly carries out data filtering on each RSSI value, so that the fluctuating RSSI value is changed more stably, a positioning coordinate of a current mobile phone APP is calculated by the positioning service station according to a triangular positioning algorithm principle, and then the positioning coordinate is sent to an urban parking space reservation scheduling system through a 5G network, an indoor navigation line is calculated by the urban parking space reservation scheduling system according to user requirements and then sent to a client APP end to reach the parking space in the fastest time;
(6) when a user sends a parking in-place instruction, the positioning coordinate of the user is acquired in real time and is compared and judged with the reserved parking space positioning coordinate, when the positioning coordinate of the vehicle is identified to be matched with the parking space coordinate, the parking space state identifier is informed to report and upload current parking state information, if the parking space state identifier is identified to be a vehicle parking state, the parking space state identifier starts to time the parking time and reports the parking time to an urban parking space reservation scheduling system in a discontinuous way, otherwise, if the coordinate is not matched or the parking space parking state is abnormal, the urban parking space reservation scheduling system informs a parking space maintainer or a parking lot manager to process the parking space responding to the abnormity;
(7) when the user drives away from the parking space, the weight sensed by the gravity sensor changes, the coordinate of the user is obviously not matched with the coordinate of the parking space, the parking space state recognizer needs to report parking duration information to the urban parking space reservation scheduling system, the urban parking space reservation scheduling system calculates whether to charge and the amount of charge according to parking lot or street parking space management regulations, informs the user of the charge and automatically pays at a mobile phone end by the user.
According to the technical scheme, the invention has the beneficial effects that:
the invention relates to an urban parking space reservation scheduling system based on the technology of Internet of things,
through the urban parking space reservation scheduling system, nearby parking space information is quickly provided for the car owner, the time for the car owner to find the parking space can be reduced to the maximum extent, accurate navigation is provided for the indoor parking space, the car owner can quickly and conveniently find the parking space to park, and the driving experience of the car owner is improved; and the occurrence of illegal parking and road congestion can be reduced, and the urban traffic management pressure is relieved.
Drawings
Fig. 1 is a composition diagram of an urban parking space reservation scheduling system based on internet of things technology;
FIG. 2 is a block diagram of a parking space state identification and positioning system;
fig. 3 is a composition diagram of a data upload service station based on 5G communication;
fig. 4 is a composition diagram of a parking space state identifier;
fig. 5 is a transmission line diagram of a bluetooth gateway system and a data upload service station based on 5G communication;
FIG. 6 is a diagram of a Bluetooth gateway system indoor positioning simulation;
FIG. 7 is a schematic diagram of Bluetooth gateway indoor positioning;
fig. 8 is a flowchart of the overall operation of the present system.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the urban parking space reservation scheduling system based on the internet of things technology mainly comprises a plurality of parking space state identification and positioning systems, an urban parking space reservation scheduling system and a user mobile phone APP, wherein a single urban parking space reservation scheduling system further comprises a data uploading service station based on 5G communication and a plurality of parking space state identifiers.
As shown in fig. 2, the parking space status identification and positioning system set of the present invention is composed of a data uploading service station based on 5G communication and a plurality of parking space status identifiers. Usually, a road or a parking lot contains a plurality of parking spaces, so a parking space state identifier is installed on each parking space according to a one-to-one principle, and the LoRa ad hoc network function is utilized, so that data collected by the parking space state identifier can be transmitted to a 5G communication data uploading service station through a LoRa network, and after the 5G communication data uploading service station collects information, the information is uploaded to an urban parking space reservation scheduling system through a 5G network for analysis; each parking space is coated with a reflective material, a projection device is arranged above the parking space, and the urban parking space reservation scheduling system projects the license plate number of the reserved vehicle amount to the ground of the parking space on the parking space for a user to check the reserved parking space and prevent the non-reserved vehicle from entering the reserved parking space.
As shown in fig. 3, the data upload service station based on 5G communication includes: the 5G data uploading module is used for uploading all the acquired data to the urban parking space reservation scheduling system for processing through a 5G network; the LoRa host computer module is used for receiving data information collected by each parking space state recognizer in the same area or the same parking lot; the storage battery is used for maintaining the normal operation of the system during power failure; the Bluetooth host is used for receiving the RSSI values reported by the Bluetooth gateways, performing positioning calculation, uploading positioning data to the cloud end, and providing an indoor navigation circuit by the cloud end according to requirements; the microprocessor is used for controlling the data uploading of the 5G data uploading module, the data receiving of the LoRa host module and the acquisition of other information and controlling the acquisition of electric quantity information; and the power management circuit is used for supplying commercial power to the storage battery for charging and supplying the voltage of the storage battery to the system for working when the system works and is powered off.
As shown in fig. 4, the parking space state identifier includes: the LoRa slave module is used for networking and uploading information such as vehicle stopping conditions and vehicle stopping time obtained by analyzing the gravity information and the positioning coordinates according to the parking space state recognizer; the microprocessor is used for processing and analyzing the signals acquired by the gravity sensor and the positioning sensor, and controlling networking and data uploading of the LoRa slave module; a gravity sensor for recognizing a vehicle parking condition; positioning, namely mainly acquiring geographic coordinate information of the parking space; the power management circuit is mainly used for reducing the voltage of commercial power and supplying the voltage to the parking space state recognizer for working and use.
As shown in fig. 5, the bluetooth gateway system of the present invention needs to include at least 3 or more bluetooth gateways, each bluetooth gateway transmits all data values to a data uploading service station based on 5G communication through wireless, after the data uploading service station based on 5G communication analyzes and calculates coordinate information, the coordinate information is uploaded to a cloud, the cloud selects whether to push indoor navigation information according to actual needs of a user, and if the indoor navigation information needs to be provided, the cloud issues the indoor navigation information to a client, and updates navigation data according to real-time bluetooth coordinates.
As shown in fig. 6, the figure is a simulation diagram of bluetooth indoor positioning in the invention, and a satellite positioning system usually has abnormal positioning or failure in an indoor parking lot, and a bluetooth positioning mode is adopted to uniformly arrange a plurality of bluetooth gateways indoors by combining with existing equipment of a user, so that after each bluetooth gateway scans bluetooth information of a mobile phone of the user, bluetooth broadcast data of the user is collected, and the position of the user is calculated through an RSSI algorithm. According to the principle of a triangulation positioning algorithm, three or more Bluetooth gateways are required to be installed in the same indoor parking lot, each gateway can be connected to a data uploading service station based on 5G communication through a Bluetooth technology, and data needing positioning processing is sent to the data uploading service station based on 5G communication for calculation processing.
As shown in fig. 7, the diagram is a schematic diagram of bluetooth indoor positioning in the present invention, where E represents the user's mobile phone and the user's location, and BS1, BS2, and BS3 represent bluetooth gateways, when the user's mobile phone bluetooth is turned on, bluetooth broadcast signals will be transmitted outwards, and at the same time, the bluetooth gateways can also receive the broadcast signals. Because the distances from the point E to the BSs 1, 2, and BS3 are different, that is, the RSSI signal strengths of the points E received by the BSs 1, the BS2, and the BS3 are different, and the coordinates of the points BS1, the BS2, and the BS3 are known, the coordinates of the point E can be reversely derived through the known three BS coordinates according to a triangulation algorithm.
The RSSI value torque algorithm for calculating the positioning coordinates of the current mobile phone APP through the principle of the triangulation positioning algorithm is as follows: d =10^ ((ABS (RSSI) -A)/(10 × n)), d is the distance, in m; RSSI is signal strength, which is a negative number; a is the RSSI absolute value of the mobile phone 1m away from the Bluetooth gateway, and is usually between 45 and 49; n is an environment attenuation factor, generally in the range of 3.25-4.5, and since the coordinates of each bluetooth gateway are known, the coordinates (x 1, y 1), (x 2, y 2), (x 3, y 3) of each bluetooth gateway BS1, BS2, BS3 are set by the installer at the time of installation, and at this time, the formula can be used:
(x1–x)^2 + (y1-y)^2 = d1^2；
(x2–x)^2 + (y2-y)^2= d2^2；
(x3- x)^2 + (y3-y)^2= d3^2；
and (3) calculating the mobile phone coordinates (x, y) of the user, namely the coordinate value of the E point, and uploading the mobile phone coordinates to a server side of the urban parking space reservation scheduling system.
The specific working method of the urban parking space reservation scheduling system based on the internet of things technology in the embodiment is as follows:
(1) after the parking space state recognizer is started, the parking space state recognizer enters a self-checking state, an LoRa networking mode is started after the self-checking is finished, and after networking is successful, self state information is reported to a data uploading service station based on 5G communication through an LoRa network;
(2) if the parking space state identifier is in a normal mode, entering a low power consumption state after reporting the self state information, and reporting the self state information at intervals; if the parking space state identifier is in an abnormal state, reporting the abnormal state of the parking space state identifier, and waiting for maintenance personnel to maintain;
(3) the data uploading service station based on 5G communication is started and then enters a self-checking state, and after the self-checking is finished, the data uploading service station is used as an LoRa host mode, is added into a LoRa network to receive information sent by a parking space state identifier, and simultaneously reports all the information to an urban parking space reservation scheduling system;
(4) after a user initiates a parking space reservation instruction, a municipal parking space reservation scheduling system quickly analyzes parking space information nearby the user according to a user positioning coordinate, performs priority sequencing according to the distance, and enables the user to independently select the parking space information;
(5) aiming at an indoor parking space, when a user enters the indoor parking lot, a Bluetooth gateway system can capture a broadcast signal of a user mobile phone Bluetooth and uploads the broadcast signal to a data uploading service station based on 5G communication, a positioning coordinate of a current mobile phone APP is calculated by the Bluetooth gateway system according to a principle of a triangular positioning algorithm and is sent to an urban parking space reservation scheduling system through a 5G network, an indoor navigation line is calculated by the urban parking space reservation scheduling system according to the user requirement and then is sent to a client APP end, and the user can arrive at the parking space in the fastest time;
(6) when a user sends a parking in-place instruction, the positioning coordinate of the user is acquired in real time and is compared and judged with the reserved parking space positioning coordinate, when the positioning coordinate of the vehicle is identified to be matched with the parking space coordinate, the parking space state identifier is informed to report and upload current parking state information, if the parking space state identifier is identified to be a vehicle parking state, the parking space state identifier starts to time the parking time and reports the parking time to an urban parking space reservation scheduling system in a discontinuous way, otherwise, if the coordinate is not matched or the parking space parking state is abnormal, the urban parking space reservation scheduling system informs a parking space maintainer or a parking lot manager to process the parking space responding to the abnormity;
(7) when the user drives away from the parking space, the weight sensed by the gravity sensor changes, the coordinate of the user is obviously not matched with the coordinate of the parking space, the parking space state recognizer needs to report parking duration information to the urban parking space reservation scheduling system, the urban parking space reservation scheduling system calculates whether to charge and the amount of charge according to parking lot or street parking space management regulations, informs the user of the charge and automatically pays at a mobile phone end by the user.
As shown in fig. 8, the working flow of the present invention is as follows:
(1) firstly, a user initiates an instruction of inquiring and reserving a parking space, and at the moment, a mobile phone APP acquires the coordinate of the user and uploads the coordinate to an urban parking space reservation scheduling system;
(2) the urban parking space reservation scheduling system inquires nearby parking space information according to the coordinates of a user and performs priority sequencing according to the distance;
(3) the urban parking space reservation scheduling system feeds back parking space information to a user for the user to select a parking space to be moved;
(4) a user selects a parking space and drives in;
(5) the parking state recognizer recognizes the driving-in state of the automobile, and when the automobile slowly drives into a parking space, the parking state recognizer is excited to recognize due to the self weight of the automobile;
(6) the parking state identifier accesses a parking space reservation scheduling system, acquires current coordinate information of a reserved vehicle, checks the current coordinate information according to coordinate information acquired by a Beidou positioning module, judges that the vehicle enters the reserved parking space if the coordinates are consistent, starts timing and charging at the moment, and reports a parking state; if the coordinates are not matched, reporting to a parking space reservation scheduling system, and after the parking space reservation scheduling system is verified, enabling a parking lot security guard or a parking space maintenance worker to verify and investigate the condition through a short message, a voice telephone or a manual contact manner.
The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.
Claims (10)
1. The utility model provides an urban parking stall reservation scheduling system based on internet of things, its characterized in that: the system comprises a plurality of parking space state identification and positioning systems, an urban parking space reservation scheduling system and a user mobile phone APP;
the parking space state identification and positioning system is mainly used for identifying the parking state, the parking time, the position coordinate and the like of a parking space, namely identifying whether a vehicle is parked in the parking space, the parking time point and the parking duration of the vehicle and the parking space information coordinate, and transmitting data information to the urban parking space reservation scheduling system in real time for statistics and analysis of the urban parking space reservation scheduling system; meanwhile, a Bluetooth positioning signal is provided, so that accurate coordinate information is provided for vehicles running indoors, and the vehicles can conveniently and quickly navigate to a required parking space;
the urban parking space reservation scheduling system is mainly used for receiving a parking space information searching instruction initiated by a user, pushing optimal parking space information according to the position coordinates of a vehicle owner and the nearby parking space conditions, receiving data information sent by a parking space state identification and positioning system, and counting and analyzing the current urban parking space information and the nearby parking space information of the vehicle owner;
the user mobile phone APP is mainly used for obtaining a command of seeking nearby parking space information and vehicle position information of a vehicle owner sent by the vehicle owner, uploading the command to the urban parking space reservation scheduling system, receiving the nearby parking space information analyzed and processed by the urban parking space reservation scheduling system, and enabling a user to select a parking position.
2. The urban parking space reservation scheduling system based on the technology of the internet of things according to claim 1, characterized in that: the parking space state identification and positioning system comprises a data uploading service station based on 5G communication, a parking space state identifier and a Bluetooth gateway system; the parking space state recognizers are arranged on each parking space, each parking space state recognizer comprises an LoRa module and performs automatic LoRa networking, and data information acquired by each parking space state recognizer is transmitted to a data uploading service station based on 5G communication through an LoRa network;
the data uploading service station based on 5G communication is mainly used for acquiring parking space parking state, vehicle parking time point and duration and parking space information coordinate information which are acquired by the parking space state recognizer, uploading the parking space parking state, the vehicle parking time point and duration and the parking space information coordinate information to the urban parking space reservation scheduling system through a 5G network, analyzing and processing the parking space reservation scheduling system by the urban parking space reservation scheduling system, and receiving data information fed back by the urban parking space reservation scheduling system;
the Bluetooth gateway system adopts the Bluetooth RSSI value and carries out positioning based on the triangulation positioning principle, calculates the current coordinate through the RSSI value from the Bluetooth of the user mobile phone to each Bluetooth gateway, provides the mobile phone with indoor navigation service,
the RSSI value torque algorithm for calculating the positioning coordinates of the current mobile phone APP through the principle of the triangulation positioning algorithm is as follows:
d =10^ ((ABS (RSSI) -A)/(10 × n)), d is the distance, in m; RSSI is signal strength, which is a negative number; a is that the RSSI absolute value of the mobile phone 1m away from the Bluetooth gateway is between 45 and 49; n is an environment attenuation factor, the numerical range is 3.25-4.5, and the coordinates (x, y) of the mobile phone of the user can be calculated by using the following formula because the coordinates of each Bluetooth gateway in the indoor parking station are known:
(x1–x)^2 + (y1-y)^2 = d1^2；
(x2–x)^2 + (y2-y)^2= d2^2；
(x3- x)^2 + (y3-y)^2= d3^2。
3. the urban parking space reservation scheduling system based on the technology of the internet of things according to claim 2, wherein: the parking space state identifier comprises an LoRa slave module, a microprocessor, a gravity sensor, a Beidou positioning module and a power management circuit; the LoRa slave module is used for networking and uploading a parking space state identifier to obtain vehicle stopping conditions and vehicle stopping time information according to gravity information and Beidou positioning coordinate analysis; the microprocessor is used for processing and analyzing signals collected by the gravity sensor and the Beidou positioning module, and controlling networking and data uploading of the LoRa slave module; the gravity sensor is mainly used for identifying the parking condition of the vehicle; the Beidou positioning module mainly acquires geographic coordinate information of the parking space and can manually input address coordinate information by using a Bluetooth gateway or a manual mode aiming at the indoor parking space; the power management circuit reduces the voltage of the mains supply, and the parking space state recognizer works and uses the voltage.
4. The urban parking space reservation scheduling system based on the technology of the internet of things according to claim 3, wherein: the parking spaces where the parking space state identifiers are installed are coated with reflective materials, the projection devices are installed above the parking spaces, and the urban parking space reservation scheduling system projects license plate numbers of reserved vehicles to the ground of the parking spaces on the parking spaces and is used for checking the reserved parking spaces and preventing the vehicles which are not reserved from entering the reserved parking spaces by using personnel.
5. The urban parking space reservation scheduling system based on the technology of the internet of things according to claim 2, wherein: the data uploading service station based on 5G communication comprises a 5G data uploading module, a LoRa host module, a Bluetooth host module, a storage battery, a microprocessor and a power management circuit; the 5G data uploading module is used for uploading all collected data to the urban parking space reservation scheduling system for processing through a 5G network; the LoRa host computer module is used for receiving data information collected by each parking space state recognizer in the same area or the same parking lot and uploading the data information to the microprocessor; the storage battery is used for maintaining the normal operation of the system during power failure; the microprocessor is used for controlling the data uploading of the 5G data uploading module, receiving data of the LoRa host module, acquiring information and controlling the acquired electric quantity information; the power management circuit is mainly used for supplying commercial power to the storage battery for charging and supplying the voltage of the storage battery to the system for working when the system works and is powered off.
6. The urban parking space reservation scheduling system based on the technology of the internet of things according to claim 2, wherein: the urban parking space reservation scheduling system comprises a computer and analysis software running on the computer, and is mainly used for receiving, processing and analyzing parking space information uploaded by all parking space state identification and positioning systems in a city and a reserved parking instruction initiated by a user, and sending processed nearby parking information to a mobile phone client APP (application) end for the user to select a desired parking space.
7. The urban parking space reservation scheduling system based on the technology of the internet of things according to claim 2, wherein: the bluetooth gateway system includes many bluetooth gateways, power and data transmission line, after the user gets into indoor parking area, cell-phone APP opens the cell-phone bluetooth to near bluetooth gateway broadcast signal, the RSSI value of the cell-phone of calculating passes through bluetooth gateway and conveys the data upload service station based on the 5G communication through data transmission line, the concrete position at terminal is calculated to the location algorithm that the server is built-in to report to city parking stall reservation dispatch system, after reservation dispatch system analysis process by city parking stall, will indoor navigation map send to user's cell-phone APP end.
8. The urban parking space reservation scheduling system based on the technology of the internet of things according to claim 7, wherein: the user mobile phone APP can send a parking space reservation instruction to the urban parking space reservation dispatching system, receive nearby parking space information sent by the urban parking space reservation dispatching system, pay for parking by itself, provide mobile phone positioning coordinates, independently start mobile phone Bluetooth and send Bluetooth broadcast to the indoor parking lot Bluetooth positioning system to position, receive indoor navigation circuits and display, and update in real time.
9. The working method of the urban parking space reservation scheduling system based on the technology of the internet of things according to claim 8, wherein: the parking space state recognition and positioning system is powered by mains supply, storage batteries or solar energy, and the parking space state recognition and positioning system is wholly in a low-power-consumption mode.
10. A working method of an urban parking space reservation scheduling system based on the technology of the Internet of things is characterized by comprising the following steps: the specific working method comprises the following steps:
(1) after the parking space state recognizer is started, the parking space state recognizer enters a self-checking state, an LoRa networking mode is started after the self-checking is finished, and after networking is successful, self state information is reported to a data uploading service station based on 5G communication through an LoRa network;
(2) if the parking space state identifier is in a normal mode, entering a low power consumption state after reporting the self state information, and reporting the self state information at intervals; if the parking space state identifier is in an abnormal state, reporting the abnormal state of the parking space state identifier, and waiting for maintenance personnel to maintain;
(3) the data uploading service station based on 5G communication is started and then enters a self-checking state, and after the self-checking is finished, the data uploading service station is used as an LoRa host mode, is added into a LoRa network to receive information sent by a parking space state identifier, and simultaneously reports all the information to an urban parking space reservation scheduling system;
(4) after a user initiates a parking space reservation instruction, a municipal parking space reservation scheduling system quickly analyzes parking space information nearby the user according to a user positioning coordinate, performs priority sequencing according to the distance, and enables the user to independently select the parking space information;
(5) aiming at an indoor parking space, when an owner is in a room, a mobile phone Bluetooth is turned on and sends a mobile phone Bluetooth broadcast signal, each indoor Bluetooth gateway captures the broadcast signal at the same time, an RSSI value is extracted from the broadcast signal, the value is transmitted to a data uploading service station based on 5G communication in real time by the Bluetooth gateway at the moment, the data uploading service station based on 5G communication firstly carries out data filtering on each RSSI value, so that the fluctuating RSSI value is changed more stably, a positioning coordinate of a current mobile phone APP is calculated by the positioning service station according to a triangular positioning algorithm principle, and then the positioning coordinate is sent to an urban parking space reservation scheduling system through a 5G network, an indoor navigation line is calculated by the urban parking space reservation scheduling system according to user requirements and then sent to a client APP end to reach the parking space in the fastest time;
(6) when a user sends a parking in-place instruction, the positioning coordinate of the user is acquired in real time and is compared and judged with the reserved parking space positioning coordinate, when the positioning coordinate of the vehicle is identified to be matched with the parking space coordinate, the parking space state identifier is informed to report and upload current parking state information, if the parking space state identifier is identified to be a vehicle parking state, the parking space state identifier starts to time the parking time and reports the parking time to an urban parking space reservation scheduling system in a discontinuous way, otherwise, if the coordinate is not matched or the parking space parking state is abnormal, the urban parking space reservation scheduling system informs a parking space maintainer or a parking lot manager to process the parking space responding to the abnormity;
(7) when the user drives away from the parking space, the weight sensed by the gravity sensor changes, the coordinate of the user is obviously not matched with the coordinate of the parking space, the parking space state recognizer needs to report parking duration information to the urban parking space reservation scheduling system, the urban parking space reservation scheduling system calculates whether to charge and the amount of charge according to parking lot or street parking space management regulations, informs the user of the charge and automatically pays at a mobile phone end by the user.
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