CN116092320A

CN116092320A - Intelligent parking lot guidance management system

Info

Publication number: CN116092320A
Application number: CN202310148474.XA
Authority: CN
Inventors: 胡应坤; 张东波; 李亚琴
Original assignee: Guangdong College of Industry and Commerce
Current assignee: Guangdong College of Industry and Commerce
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-05-09

Abstract

The invention discloses an intelligent parking lot guidance management system which comprises a parking space information acquisition system, a high-precision indoor and outdoor parking space positioning system, a vehicle flow detection system, a control system, a parking management center platform, system management software, a parking space information release system and a management computer.

Description

Intelligent parking lot guidance management system

Technical Field

The invention relates to the technical field of parking lots, in particular to an intelligent parking lot guidance management system.

Background

With the development of social economy and the improvement of living standard of people, automobiles enter families more and more, and the automobile consumption age is quite in the future. With the increase of vehicles, the gaps of parking spaces in cities are larger and larger, so that the construction of parking lots is required to keep up, and for important public places, the parking lots are used as important supporting facilities, the service quality and the positioning grade of the parking lots are directly influenced, and the amount of business income is increased, wherein the parking lots refer to places for parking vehicles. The main task is to keep the parked vehicles and collect parking fees. The parking space can be divided into four types of warm-type garages, cold-type garages, carport and open parking lots, and with popularization of automobiles in China, the parking space becomes a new building necessary facility, and due to the increase of land cost, the parking lot gradually develops to multiple spaces, multiple functions and intelligent directions, and places for intensively parking vehicles in cities. In the beginning of the 20 th century, especially after the second world war, urban population of all countries of the world has been increased rapidly, and the possession of motor vehicles has been rapidly increased, so that insufficient parking areas have become serious urban problems. Therefore, in city planning, enough parking areas (libraries) should be arranged, the scale of which is adapted to the predicted growth of various vehicles in the city during the planning period, and the type of parking area: parking lots (libraries) for motor vehicles and non-motor vehicles can be classified according to the nature of the vehicles; the parking lots (libraries) can be classified into private and public parking lots according to the objects of use; the parking lots can be divided into off-road parking lots and on-road parking lots according to the setting places; the parking lots can be divided into square type parking lots, underground type parking lots and multi-layer parking lots (libraries) according to design forms.

In order to improve the service level of a parking lot, an intelligent management system for the parking lot is indispensable, plays an important role in most parking lots, brings convenience to parking of people, has good social benefit and economic benefit, and in intelligent parking lot management, relates to management of various aspects, namely management and charge of vehicles, guidance and reverse vehicle searching of parking spaces of the parking lot, wherein all subsystems are related to each other and coordinate to operate, and an entrance and exit management system is required to strictly manage various vehicles in real time, strictly record the time of entering and exiting the vehicles, identify and register various vehicles and input various information into a database.

Parking area management system among the prior art often has the car owner to advance and is difficult to quick find the parking stall after the field, appears robbing the parking stall even mutually, leads to crowding, inefficiency's problem, and then leads to the car owner's overall experience effect relatively poor, these problems that need solve, based on this, we propose wisdom parking area induction management system and optimize it.

Disclosure of Invention

The invention aims to provide an intelligent parking lot guidance management system so as to solve the problems in the background art, and solve the problem that accurate positioning of vehicles and parking spaces is difficult to realize indoors through Beidou.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the intelligent parking lot guidance management system comprises a parking space information acquisition system, a high-precision indoor and outdoor parking space positioning system, a traffic flow detection system, a control system, a parking management center platform, system management software, a parking space information release system and a management computer, wherein the parking space information acquisition system comprises a geomagnetic vehicle detector and a geomagnetic vehicle control host, the geomagnetic vehicle detector comprises a prompt lamp, an infrared detection pair tube, a power management and charging interface, an STM32 main controller, a geomagnetic sensor, a UWB (ultra-wideband) combined Beidou high-precision positioning module, an NB-Iot wireless communication module and a program programming interface, and the parking space information release system comprises a primary guide screen and a secondary guide screen.

As a further scheme of the invention: the parking space information acquisition system detects whether vehicles park on a parking space in real time, data are sent to the parking management center platform in real time through the geomagnetic vehicle detector and the geomagnetic vehicle control host, the parking management center platform timely updates empty vehicle digits of each intersection guide screen, so that a vehicle owner is guided to park the vehicles on the empty parking space, the parking space information acquisition system adopts a wireless ad hoc network mode to ensure stable and reliable transmission, the geomagnetic vehicle detector emits a ground magnetic wave to cover the whole parking space, when the vehicles enter or leave the parking space, the magnetic field changes, and therefore whether the vehicles park can be accurately detected, the detected parking space information is transmitted to the geomagnetic vehicle detector in a wireless mode, and the geomagnetic vehicle detector encrypts and analyzes the information and then sends the information to the parking management center platform through a wireless network.

As still further aspects of the invention: in the geomagnetic vehicle detector, if the vehicle is not parked in the parking space, the prompting lamp is green, if the vehicle is parked in the parking space, the prompting lamp is red, infrared detection is used for auxiliary correction after geomagnetic false detection under certain conditions, recognition accuracy is improved, the geomagnetic sensor transmits changed current signals to the STM32 main controller for algorithm processing, and accordingly a vehicle space idle state can be detected, UWB is combined with a Beidou high-precision positioning module to achieve a high-precision indoor parking space positioning system, the NB-Iot wireless communication module is used for data interaction with a cloud platform, a program programming interface is used for programming of whole program codes, parking space position information is accurately measured by the Beidou module at first in parking space construction and is solidified in parking vehicle verification position equipment labels, and when the vehicle enters the indoor parking space, positioning navigation is carried out by using UWB due to the fact that Beidou and GPS navigation cannot be used indoors, and devices such as geomagnetic verification modules, UWB and controllers are built in each parking vehicle position equipment label.

As still further aspects of the invention: the system realizes high-precision parking position positioning by adopting Beidou differential positioning and indoor Ultra Wideband (UWB) positioning technologies, and the Beidou differential positioning principle is as follows: the Beidou differential positioning system consists of a vehicle-mounted terminal, a differential reference station, a satellite and the like. Firstly, a differential reference station acquires a navigation message of a positioning navigation satellite through a Beidou positioning module, continuously transmits correction data of positioning calculation in a broadcasting mode, receives the correction data transmitted by the differential reference station while acquiring the navigation message of the positioning navigation satellite, and then calculates more accurate positioning data through the positioning data of the mobile terminal and the received correction data; indoor ultra-wideband positioning technology principle: taking a common passive positioning system as an example, a typical UWB positioning system is composed of a tag, a positioning base station, a main base station, a switch and a positioning server, where the tag is a mobile object to be positioned, in one positioning system, there are multiple positioning base stations, the position coordinates are fixed, the positioning base station receives tag status information through UWB technology, the positioning base station sends the status information of each tag to the main base station through a wireless channel (or a wired network), the main base station sends data to the positioning server through the wired network, and the positioning server calculates the tag coordinates according to a positioning algorithm.

As still further aspects of the invention: the geomagnetic vehicle detector comprises high-precision Beidou positioning data, a vehicle in-place detection function and an automatic data reporting function, and real-time berth information is directly updated to a cloud platform through an operator NB-IoT network by means of data service transmission through a narrowband internet of things, so that parking information big data sharing is realized.

As still further aspects of the invention: the UWB base station has been arranged at the parking area in the indoor parking area, UWB base station has been built-in to geomagnetic vehicle detector, and the UWB label has been installed simultaneously to the vehicle, just can see oneself in parking area place and the position of all parking stalls through special cell-phone APP map car owner to can know which parking stalls are idle, thereby can navigate to the relevant position after selecting certain idle position, and the car owner just can find the parking position of own vehicle according to the parking area map of cell-phone APP when seeking the car, finally realizes guiding the car owner to park the vehicle on the idle car position fast.

As still further aspects of the invention: the parking space information release system dynamically displays the change of the number of vehicles in a parking lot in real time, the parking space information release system comprises parking space state information data acquisition, data processing and data release functions, data are acquired through a geomagnetic vehicle detector, a background is used for processing and analyzing, the processed data are displayed through wireless transmission to a primary guide screen and a secondary guide screen, the primary guide screen is arranged at the entrance of the parking lot, the secondary guide screen is arranged at each intersection of the parking lot, the primary guide screen of a main entrance is used for displaying the empty number of the whole parking lot, the secondary guide screen of the intersection is used for displaying the empty number of vehicles in the driving direction, and the display data of the primary guide screen and the secondary guide screen can be set and modified by a management computer through system management software.

As still further aspects of the invention: the control system is used for completing collection, transmission, control and calculation of all data, is used for updating the number of parking spaces of each primary guide screen and each secondary guide screen in real time, uploading the data to the management computer, displaying an electronic map through the management computer, intuitively reflecting the use condition of the parking spaces through the electronic map, and independently working after parameters are set through system management software, even if the normal operation function of the system is not affected by shutdown or faults of the management computer, the control system consists of a main controller, a node controller and a data collector, collects the states of geomagnetic vehicle detectors and a vehicle flow detection system in real time, calculates the number of the parking spaces, and sends calculation results to the primary guide screen, the secondary guide screen and the management computer.

As still further aspects of the invention: the control system comprises a three-level control architecture, wherein the three-level control architecture comprises area controllers, node controllers and a main controller, each area controller performs bus control on devices such as a distributed detector and a display screen at the lower end, the area controllers are connected to the main controller in a cascading mode through a node controller network, each area controller and the devices at the lower end form a subsystem through a honeycomb mode with strong stability, and independent control units can ensure that the devices in each small area can be reliably connected to the system.

The intelligent parking lot guidance management system comprises the following steps:

step one: the geomagnetic vehicle detector is arranged on each parking space of the parking lot and used for collecting parking space state information (occupied/idle), a proper amount of geomagnetic vehicle control host is distributed in the parking lot to manage geomagnetic vehicle detection according to the number of the parking spaces, a primary guide screen of a main entrance is arranged at each entrance of the parking lot and is used for respectively indicating the information of the number of vacant parking spaces in each area in the parking lot, so that a vehicle owner can know the information of vacant parking spaces in the parking lot before entering the parking lot conveniently, and a secondary guide screen is arranged at each bifurcation and corner in the parking lot and used for guiding the vehicle owner to enter the area with vacant parking spaces;

step two: the geomagnetic vehicle detector and the geomagnetic vehicle control host are in wireless communication through the NB-IOT, the geomagnetic vehicle detector transmits acquired parking space state information to the geomagnetic vehicle control host, the geomagnetic vehicle control host analyzes the acquired parking space state information and then wirelessly transmits the acquired parking space state information to the platform control host, the platform timely updates the empty space number of each intersection guide screen, then issues information related to the parking space state to the primary guide screen and the secondary guide screen of the main entrance, the primary guide screen and the secondary guide screen serve as main navigation, UWB base stations are arranged in a parking lot through an indoor parking lot, UWB labels are arranged in the vehicle detector, the vehicle is provided with UWB labels at the same time, a vehicle owner can see the position of the vehicle in the parking lot and the positions of all parking spaces through a special mobile phone APP map, and can know which parking spaces are idle, and then navigate to corresponding positions after selecting a certain idle position, the vehicle owner can find the parking position of the vehicle according to a map of the mobile phone APP as auxiliary navigation, and finally the vehicle owner can park the vehicle on the empty parking lot rapidly.

Compared with the prior art, the invention has the beneficial effects that:

1. in the intelligent parking lot guidance management system, high-precision parking position positioning is realized by adopting Beidou differential positioning and indoor Ultra Wideband (UWB) positioning technology, the primary guide screen of a total parking lot is arranged at the main entrance of a parking lot through the integral cooperation of the system, the number of empty parking spaces in each subarea is displayed in a parallel manner, so that when a car owner enters the parking lot, the empty parking spaces in the parking lot can be distributed at a glance, at each main entrance, the primary display screen of the main entrance parking space arranged at the ground is arranged to respectively display how many empty parking spaces are left in each subarea, thus, the car owner can quickly know how many empty parking spaces are left in the area to which the car owner needs to enter the parking lot, if the parking spaces are insufficient, the empty parking spaces in the vicinity can be planned in advance, thereby effectively avoiding the blind purpose of the car owner from being extruded into a relatively busy area, the invention marks the front optional driving direction and the number of idle parking spaces in the direction by arranging the secondary guide screens at the main subareas or intersections in the parking lot according to the planned flow direction in the field, and enables the vehicle owner to quickly split according to the indication of the secondary guide screens through the integral cooperation of the system, thereby effectively avoiding the problems of congestion and slow searching of the idle parking spaces, further being capable of guiding the vehicle owner to quickly drive to the idle parking space area, enabling the vehicle owner to quickly find the idle parking spaces, helping the vehicle owner to find the vehicle parking position, improving the satisfaction degree of the vehicle owner, improving the efficiency of parking and finding the vehicle, ensuring the utilization rate of the parking lot, enabling the installation and construction of the system to be more convenient, efficient, low-cost, safe and reliable through the unique network structure and the design of low-power consumption products, thereby optimizing and solving the problems existing in the parking of the current parking lot.

2. In the prior mainstream technology, accurate positioning can be realized through the Beidou outdoors completely, but the indoor positioning is still difficult to realize, so the UWB combined with the Beidou is creatively realized to realize indoor high-precision positioning, and the defect of indoor positioning is overcome.

Drawings

Fig. 1 is an overall schematic diagram of a smart parking lot guidance management system.

Fig. 2 is a schematic diagram of geomagnetic vehicle detectors in a smart parking lot guidance management system.

Fig. 3 is a schematic diagram of a parking space guiding system in the intelligent parking lot guidance management system.

Fig. 4 is a schematic diagram of the Beidou differential positioning principle in the intelligent parking lot guidance management system.

FIG. 5 is a schematic diagram of a typical positioning system in a smart car park guidance management system.

FIG. 6 is a schematic diagram of a smart car park guidance management system.

Fig. 7 is a schematic diagram of installation of geomagnetic vehicle detectors in a smart parking lot guidance management system.

Fig. 8 is a schematic diagram of sharing big data of parking information in the intelligent parking lot guidance management system.

Fig. 9 is a schematic diagram of parameters of geomagnetic vehicle detectors in the intelligent parking lot guidance management system.

Fig. 10 is a schematic diagram of parameters of a geomagnetic vehicle control host in the intelligent parking lot guidance management system.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 10, in the embodiment of the invention, an intelligent parking lot guidance management system comprises a parking space information acquisition system, a high-precision indoor and outdoor parking space positioning system, a traffic flow detection system, a control system, a parking management center platform, system management software, a parking space information release system and a management computer, wherein the parking space information acquisition system comprises a geomagnetic vehicle detector and a geomagnetic vehicle control host, the geomagnetic vehicle detector comprises a prompt lamp, an infrared detection pair tube, a power management and charging interface, an STM32 main controller, a geomagnetic sensor, a UWB (ultra-wideband) combined Beidou high-precision positioning module, an NB-Iot wireless communication module and a program programming interface, and the parking space information release system comprises a primary guide screen and a secondary guide screen.

The parking space information acquisition system detects whether vehicles park on a parking space in real time, data are transmitted to the parking management center platform in real time through the geomagnetic vehicle detector and the geomagnetic vehicle control host, the parking management center platform timely updates empty space of each intersection guide screen, accordingly, a vehicle owner is guided to park the vehicles on the empty space, the parking space information acquisition system adopts a wireless ad hoc network mode, stable and reliable transmission is guaranteed, the geomagnetic vehicle detector emits magnetic waves to cover the whole parking space, after the vehicles enter or leave the parking space, the magnetic field changes, whether the vehicles park can be accurately detected, detected parking space information is transmitted to the geomagnetic vehicle detector in a wireless mode, the geomagnetic vehicle detector encrypts and analyzes the information, and then the information is transmitted to the parking management center platform through a wireless network, and the system has the functions of parking space detection, empty space indication, parking space management, charge management, rechargeable card management, invoice management, charge exception handling, arrearage management and statistical analysis.

Indoor and outdoor positioning realization principle of high-precision indoor and outdoor parking space positioning system: the method realizes high-precision parking position positioning of an indoor parking lot, the intelligent parking lot needs to accurately position the parking space, the parking lot is divided into an indoor parking lot and an outdoor parking lot, the indoor parking lot needs to be comprehensively positioned by combining sea-lattice communication Beidou high-precision differential positioning and indoor positioning technologies, because the parking space is a relatively fixed position, positioning measurement is needed to be carried out on the parking space when the intelligent parking lot is constructed, the accurate position is solidified in an NB-IoT positioning car detector tag, the Chinese Beidou satellite navigation system can provide positioning, navigation and time service for various users in all weather and all days in the global scope, however, the positioning precision of the traditional Beidou positioning system is generally 10m, which can meet the requirements for general positioning application, but obviously cannot meet the requirements for the occasion requiring accurate parking, because the parking space size of a general parking lot is 2.5 meters wide and 5 meters long, the positioning precision of the traditional positioning mode is larger than the parking space size, the system can not accurately determine the parking space and the position of a user, the user is confused about searching the parking space, the positioning precision can be improved to a certain extent based on the Beidou differential positioning technology, the positioning precision can reach the sub-meter level and even the centimeter level by applying the differential technology, the method can be widely applied to high-precision positioning occasions such as intelligent parking, besides outdoor parking lots in open air, the indoor parking lots occupy larger quantity in cities, when a vehicle enters the indoor parking lots, the Beidou navigation positioning capability based on satellite signals becomes weaker, even blind areas can occur, the position can be accurately determined only by virtue of the indoor positioning technology, and the accurate measurement of the parking space can be performed by virtue of the Beidou high-precision differential technology and the indoor positioning technology, and the accurate positioning data of the parking spaces are built in an NB-IoT parking space positioning detector, so that the positioning accuracy of the parking spaces is improved, an intelligent parking space three-dimensional composition is constructed by an indoor Ultra Wideband (UWB) positioning technology, and an owner is guided to perform indoor accurate positioning.

The system realizes high-precision parking position positioning by adopting Beidou differential positioning and indoor Ultra Wideband (UWB) positioning technologies, and the Beidou differential positioning principle is as follows: the Beidou differential positioning system consists of a vehicle-mounted terminal, a differential reference station, a satellite and the like. Firstly, a differential reference station acquires a navigation message of a positioning navigation satellite through a Beidou positioning module, continuously transmits correction data of positioning calculation in a broadcasting mode, receives the correction data transmitted by the differential reference station while acquiring the navigation message of the positioning navigation satellite, and then calculates more accurate positioning data through the positioning data of the mobile terminal and the received correction data; indoor ultra-wideband positioning technology principle: taking a common passive positioning system as an example, a typical UWB positioning system is composed of a tag, a positioning base station, a main base station, a switch and a positioning server, where the tag is a mobile object to be positioned, in one positioning system, there are multiple positioning base stations, the position coordinates are fixed, the positioning base station receives tag status information through UWB technology, the positioning base station sends the status information of each tag to the main base station through a wireless channel (or a wired network), the main base station sends data to the positioning server through the wired network, and the positioning server calculates the tag coordinates according to a positioning algorithm.

The geomagnetic sensor is a triaxial geomagnetic sensor HMC5883, in a geomagnetic vehicle detector, if the vehicle is not parked in the parking space, a prompting lamp is green, if the vehicle is parked in the parking space, the prompting lamp is red, infrared detection pair transistors are used for auxiliary correction after geomagnetic false detection under certain conditions, recognition accuracy is improved, after the geomagnetic sensor transmits changed current signals to an STM32 main controller for algorithm processing, a vehicle space idle state can be detected, UWB is combined with a Beidou high-precision positioning module to realize a high-precision indoor parking space positioning system, NB-Iot wireless communication modules are used for data interaction with a cloud platform, a program programming interface is used for programming of whole program codes, parking space position information is accurately measured by the Beidou module firstly in parking space construction and is solidified in parking space verification equipment labels, and when the vehicle enters an indoor parking space, positioning navigation is carried out by using UWB due to the fact that devices such as a geomagnetic module, a UWB module and a controller are built in each parking space verification equipment label.

The geomagnetic vehicle detector comprises high-precision Beidou positioning data, a vehicle in-place detection function and a data automatic reporting function, and real-time berth information is directly updated to the cloud platform through an operator NB-IoT network by means of data service transmission through a narrowband internet of things, so that parking information big data sharing is realized.

The UWB base station has been arranged at the parking area in the indoor parking area, UWB base station has been built-in to geomagnetic vehicle detector, and the UWB label has been installed simultaneously to the vehicle, just can see oneself in parking area place and the position of all parking stalls through special cell-phone APP map car owner to can know which parking stalls are idle, thereby can navigate to the relevant position after selecting certain idle position, and the car owner just can find the parking position of own vehicle according to the parking area map of cell-phone APP when seeking the car, finally realizes guiding the car owner to park the vehicle on the idle car position fast.

The parking space information release system dynamically displays the change of the number of vehicles in a parking lot in real time, the parking space information release system comprises parking space state information data acquisition, data processing and data release functions, data are acquired through a geomagnetic vehicle detector, a background is used for processing and analyzing, the processed data are displayed through wireless transmission to a primary guide screen and a secondary guide screen, wherein the primary guide screen is arranged at an entrance of the parking lot, the secondary guide screen is arranged at each intersection of the parking lot, the primary guide screen of a main entrance is used for displaying the number of empty vehicles in the whole parking lot, the secondary guide screen of the intersection is used for displaying the number of empty vehicles in the driving direction, and display data of the primary guide screen and the secondary guide screen can be set and modified by a management computer through system management software.

The control system is used for completing collection, transmission, control and calculation of all data, is used for updating the parking space number of each primary guide screen and each secondary guide screen in real time, uploading the data to the management computer in real time, displaying an electronic map through the management computer, intuitively reflecting the use condition of the parking space through the electronic map, and independently working after the parameters are set through the system management software, wherein even if the normal operation function of the system is not affected by shutdown or failure of the management computer, the control system consists of a master controller, a node controller and a data collector, collects the states of a geomagnetic vehicle detector and a vehicle flow detection system in real time, calculates the parking space number, sends calculation results to the primary guide screen, the secondary guide screen and the management computer, has a self-checking function, can send alarm information to failure equipment, prompts equipment failure, can be in a specific position of the failure equipment through the management software, and is convenient for maintenance staff to carry out system maintenance.

The control system comprises a three-level control architecture, wherein the three-level control architecture comprises area controllers, node controllers and a main controller, each area controller performs bus control on devices such as a distributed detector and a display screen at the lower end, the area controllers are connected to the main controller in a cascading mode through a node controller network, each area controller and the devices at the lower end of the area controllers form a subsystem through a honeycomb mode with strong stability, and independent control units can ensure that the devices in each small area can be reliably connected to the system.

step one: the geomagnetic vehicle detection method comprises the steps that geomagnetic vehicle detectors are arranged on each parking space of a parking lot and used for collecting parking space state information (occupied/idle), a proper amount of geomagnetic vehicle control host is distributed in the parking lot to manage geomagnetic vehicle detection according to the number of the parking spaces, a primary guide screen of a main inlet is arranged at each inlet of the parking lot and used for respectively indicating the information of the vacant parking spaces of all areas in the parking lot, a secondary guide screen is arranged at each branch and corner in the parking lot and used for guiding a vehicle owner to drive into the area with the vacant parking spaces, a round hole with the depth of slightly more than 120mm and the diameter of 100mm is drilled in the middle of the parking space, the geomagnetic vehicle detectors are arranged in the holes according to actual conditions, and sand and cement are used as fillers to be prepared and asphalt in proportion; when the geomagnetic vehicle control host is installed, the situation that a large-scale shielding object (tree, building and the like) is not arranged around is ensured, the installation height of the host and the antenna is between 3M and 5M, the installation mode of the antenna is vertical upwards, and the geomagnetic vehicle control host is installed on a street lamp pole through a special fixing piece; the total height of the screen body and the rod piece of the guide screen to be installed is 2.2-2.4 meters;

step two: the geomagnetic vehicle detector and the geomagnetic vehicle control host are in wireless communication through the NB-IOT, the geomagnetic vehicle detector transmits acquired parking space state information to the geomagnetic vehicle control host, the geomagnetic vehicle control host analyzes the acquired parking space state information and then wirelessly transmits the acquired parking space state information to the platform control host, the platform timely updates the empty space number of each intersection guide screen, then issues information related to the parking space state to the primary guide screen and the secondary guide screen of the main entrance, the primary guide screen and the secondary guide screen serve as main navigation, UWB base stations are deployed in an indoor parking lot, UWB labels are deployed at the same time on the vehicle detectors and the vehicles in the parking spaces, and therefore the positions of the parking spaces and the vehicle positions can be known through mutual identification of the UWB base stations and the UWB labels, more particularly, a vehicle owner can see the positions of the vehicle owners in the parking lot and the positions of all parking spaces through special mobile phone APP, and can know which the parking spaces are idle, after selecting a certain idle position, the vehicle owner can navigate to the corresponding position according to the parking lot of the APP, and the vehicle owner can find the parking position of the vehicle according to the parking lot of the mobile phone APP as auxiliary navigation, and finally achieve guiding and rapid parking of the vehicle on the empty position.

The guidance information distribution management includes: 1. the berth is automatically issued, residual berth information of each road section is automatically counted, and then corresponding results are automatically pushed to a specific front-end induction screen through issuing software, and meanwhile data forwarding is supported; 2. the release of graphic information supports the release of pictures to a specified screen (or a group of screens); the communication module sends the parking information in two modes of timing sending and immediate sending when the number of empty vehicles is smaller than a set threshold value; (1) and (3) timing transmission: the parking information acquisition equipment sends data at regular time according to a certain time interval, the time interval can be set, (2) the empty number of vehicles is smaller than a set threshold value and is sent immediately: if the number of empty vehicles is smaller than the set threshold, the parking information acquisition device sends the parking information in real time when the vehicles enter and exit the parking lot.

The basic functions of the screen body include: (1) receiving and displaying berth information issued by a system; (2) the parking information release screen is provided with a self-checking function, the screen body state is correctly detected through the self-checking function, and a self-checking result is sent to the regional parking information service center or the public parking information system; (3) the brightness adjusting function is that the display brightness of the parking information release screen is manually adjusted and automatically adjusted; (4) the parking information release screen can remotely switch the display screen by receiving a switch instruction; (5) a minimum interval setting function, wherein if the parking information release screen does not receive the communication control instruction time of the regional parking information service center or the public parking information system platform and exceeds the minimum communication interval, the screen is automatically blacked out, and if the minimum communication interval is 0, the screen is not blacked out; (6) the display screen has the functions of power failure detection, driving failure detection and active alarm, and (7) the parking management information center has the functions of inquiring the working state of one or even all outdoor display screens and displaying the inquiring result.

The system arrangement comprises: (1) the system management software has perfect and flexible management functions, and according to the system design, the change of the use condition of any parking space can be reflected on any guide screen, and can be changed randomly according to the actual condition or management requirement of the scene; (2) the data chart is used for calculating the turnover rate of a parking space in a certain area in a certain period and the utilization rate of the parking space according to the parking data, automatically generating a flow chart for the traffic flow in the certain period, distinguishing the traffic flow in different colors, and visually displaying the utilization condition of a parking lot in each month; (3) the data inquiry function can inquire login records (login time, manager code, system exit time) and event records (operating system settings) of a manager, automatically generate a report, print out, inquire information such as the use condition, occupation, departure and occupation time of a certain parking space, automatically generate a report, and print out.

The system adopts a unified bus type structure, each terminal is provided with independent address codes, and is connected into a unified planning network type structure, and the association setting can be flexibly carried out through software, so that the system can be adjusted according to the needs.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The intelligent parking lot guidance management system comprises a parking space information acquisition system, a high-precision indoor and outdoor parking space positioning system, a vehicle flow detection system, a control system, a parking management center platform, system management software, a parking space information release system and a management computer, and is characterized in that: the parking space information acquisition system comprises a geomagnetic vehicle detector and a geomagnetic vehicle control host, the geomagnetic vehicle detector comprises a prompt lamp, an infrared detection pair tube, a power management and charging interface, an STM32 main controller, a geomagnetic sensor, a UWB (ultra-wideband) combined Beidou high-precision positioning module, an NB-Iot wireless communication module and a program programming interface, and the parking space information release system comprises a primary guide screen and a secondary guide screen.

2. The intelligent parking lot inducement management system of claim 1, wherein: the parking space information acquisition system detects whether vehicles park on a parking space in real time, data are sent to the parking management center platform in real time through the geomagnetic vehicle detector and the geomagnetic vehicle control host, the parking management center platform timely updates empty vehicle digits of each intersection guide screen, so that a vehicle owner is guided to park the vehicles on the empty parking space, the parking space information acquisition system adopts a wireless ad hoc network mode to ensure stable and reliable transmission, the geomagnetic vehicle detector emits a ground magnetic wave to cover the whole parking space, when the vehicles enter or leave the parking space, the magnetic field changes, and therefore whether the vehicles park can be accurately detected, the detected parking space information is transmitted to the geomagnetic vehicle detector in a wireless mode, and the geomagnetic vehicle detector encrypts and analyzes the information and then sends the information to the parking management center platform through a wireless network.

3. The intelligent parking lot inducement management system of claim 1, wherein: in the geomagnetic vehicle detector, if the vehicle is not parked in the parking space, the prompting lamp is green, if the vehicle is parked in the parking space, the prompting lamp is red, infrared detection is used for auxiliary correction after geomagnetic false detection under certain conditions, recognition accuracy is improved, the geomagnetic sensor transmits changed current signals to the STM32 main controller for algorithm processing, and accordingly a vehicle space idle state can be detected, UWB is combined with a Beidou high-precision positioning module to achieve a high-precision indoor parking space positioning system, the NB-Iot wireless communication module is used for data interaction with a cloud platform, a program programming interface is used for programming of whole program codes, parking space position information is accurately measured by the Beidou module at first in parking space construction and is solidified in parking vehicle verification position equipment labels, and when the vehicle enters the indoor parking space, positioning navigation is carried out by using UWB due to the fact that Beidou and GPS navigation cannot be used indoors, and devices such as geomagnetic verification modules, UWB and controllers are built in each parking vehicle position equipment label.

4. The intelligent parking lot inducement management system of claim 1, wherein: the system realizes high-precision parking position positioning by adopting Beidou differential positioning and indoor Ultra Wideband (UWB) positioning technologies, and the Beidou differential positioning principle is as follows: the Beidou differential positioning system consists of a vehicle-mounted terminal, a differential reference station, a satellite and the like. Firstly, a differential reference station acquires a navigation message of a positioning navigation satellite through a Beidou positioning module, continuously transmits correction data of positioning calculation in a broadcasting mode, receives the correction data transmitted by the differential reference station while acquiring the navigation message of the positioning navigation satellite, and then calculates more accurate positioning data through the positioning data of the mobile terminal and the received correction data; indoor ultra-wideband positioning technology principle: taking a common passive positioning system as an example, a typical UWB positioning system consists of a tag, a positioning base station, a main base station, a switch and a positioning server, wherein the tag is a mobile positioned object, in one positioning system, a plurality of positioning base stations are arranged, position coordinates are fixed, tag state information is received by the positioning base station through UWB technology, the state information of each tag is sent to the main base station through a wireless channel by the positioning base station, the main base station sends data to the positioning server through a wired network, and the positioning server calculates the tag coordinates according to a positioning algorithm.

5. The intelligent parking lot inducement management system of claim 1, wherein: the geomagnetic vehicle detector comprises high-precision Beidou positioning data, a vehicle in-place detection function and an automatic data reporting function, and real-time berth information is directly updated to a cloud platform through an operator NB-IoT network by means of data service transmission through a narrowband internet of things, so that parking information big data sharing is realized.

6. The intelligent parking lot inducement management system of claim 1, wherein: the UWB base station has been arranged at the parking area in the indoor parking area, UWB base station has been built-in to geomagnetic vehicle detector, and the UWB label has been installed simultaneously to the vehicle, just can see oneself in parking area place and the position of all parking stalls through special cell-phone APP map car owner to can know which parking stalls are idle, thereby can navigate to the relevant position after selecting certain idle position, and the car owner just can find the parking position of own vehicle according to the parking area map of cell-phone APP when seeking the car, finally realizes guiding the car owner to park the vehicle on the idle car position fast.

7. The intelligent parking lot inducement management system of claim 1, wherein: the parking space information release system dynamically displays the change of the number of vehicles in a parking lot in real time, the parking space information release system comprises parking space state information data acquisition, data processing and data release functions, data are acquired through a geomagnetic vehicle detector, a background is used for processing and analyzing, the processed data are displayed through wireless transmission to a primary guide screen and a secondary guide screen, the primary guide screen is arranged at the entrance of the parking lot, the secondary guide screen is arranged at each intersection of the parking lot, the primary guide screen of a main entrance is used for displaying the empty number of the whole parking lot, the secondary guide screen of the intersection is used for displaying the empty number of vehicles in the driving direction, and the display data of the primary guide screen and the secondary guide screen can be set and modified by a management computer through system management software.

8. The intelligent parking lot inducement management system of claim 1, wherein: the control system is used for completing collection, transmission, control and calculation of all data, is used for updating the number of parking spaces of each primary guide screen and each secondary guide screen in real time, uploading the data to the management computer, displaying an electronic map through the management computer, intuitively reflecting the use condition of the parking spaces through the electronic map, and independently working after parameters are set through system management software, even if the normal operation function of the system is not affected by shutdown or faults of the management computer, the control system consists of a main controller, a node controller and a data collector, collects the states of geomagnetic vehicle detectors and a vehicle flow detection system in real time, calculates the number of the parking spaces, and sends calculation results to the primary guide screen, the secondary guide screen and the management computer.

9. The intelligent parking lot inducement management system of claim 1, wherein: the control system comprises a three-level control architecture, wherein the three-level control architecture comprises area controllers, node controllers and a main controller, each area controller performs bus control on devices such as a distributed detector and a display screen at the lower end, the area controllers are connected to the main controller in a cascading mode through a node controller network, each area controller and the devices at the lower end form a subsystem through a honeycomb mode with strong stability, and independent control units can ensure that the devices in each small area can be reliably connected to the system.

10. Wisdom parking area induction management system, its characterized in that: the method comprises the following steps:

step two: the geomagnetic vehicle detector is in wireless communication with the geomagnetic vehicle control host through the NB-IOT, the geomagnetic vehicle detector transmits acquired parking space state information to the geomagnetic vehicle control host, the geomagnetic vehicle control host analyzes the acquired parking space state information and then wirelessly transmits the acquired parking space state information to the platform control host, the platform timely updates the empty space number of each intersection guide screen, then issues information related to the parking space state to the primary guide screen and the secondary guide screen of the main entrance, the primary guide screen and the secondary guide screen serve as main navigation, UWB base stations are arranged in a parking lot through an indoor parking lot, UWB tags are arranged in the vehicle detector, the vehicle is provided with UWB tags at the same time, a vehicle owner can see the position of the vehicle in the parking lot and the positions of all parking spaces through a special mobile phone APP map, and can know which parking spaces are idle, and then navigate to corresponding positions after selecting a certain idle position, the vehicle owner can find the parking position of the vehicle according to the map of the mobile phone APP as auxiliary navigation, and finally the vehicle owner can park the vehicle on the empty parking lot rapidly.