CN108711309A - Wisdom parking guidance system and method based on internet Yu narrowband Internet of Things - Google Patents
Wisdom parking guidance system and method based on internet Yu narrowband Internet of Things Download PDFInfo
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- CN108711309A CN108711309A CN201810914519.9A CN201810914519A CN108711309A CN 108711309 A CN108711309 A CN 108711309A CN 201810914519 A CN201810914519 A CN 201810914519A CN 108711309 A CN108711309 A CN 108711309A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/144—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces on portable or mobile units, e.g. personal digital assistant [PDA]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/148—Management of a network of parking areas
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/149—Traffic control systems for road vehicles indicating individual free spaces in parking areas coupled to means for restricting the access to the parking space, e.g. authorization, access barriers, indicative lights
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/168—Driving aids for parking, e.g. acoustic or visual feedback on parking space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The present invention discloses a kind of wisdom parking guidance system and method based on internet Yu narrowband Internet of Things, is made of sensing layer, communication layers, NB-IOT podium levels, application service layer and client layer；Sensing layer includes several wireless geomagnetism parking space intelligent awareness apparatus, these wireless geomagnetism parking space intelligent awareness apparatus are separately mounted on parking stall, each wireless geomagnetism parking space intelligent awareness apparatus is responsible for acquiring the parking stall data of residing parking stall, and the parking stall data of acquisition are wirelessly connected to the base stations NB-IOT of communication layers by all parking stall status informations by narrowband Internet of Things；NB-IOT podium levels are responsible for converging the parking stall data of NB-IOT that the NB-IOT core networks of communication layers obtain, and are transmitted to application service layer according to different perception data types and carry out concrete application processing.The present invention integrates city parking resource using narrowband technology of Internet of things, sensor technology, embedded technology, using technology of Internet of things, substantially reduces the difficulty that car owner looks for parking stall, alleviates traffic pressure, reduces the idle waste of parking position.
Description
Technical field
The present invention relates to intelligent parking technical fields, and in particular to one kind is based on internet and narrowband Internet of Things (NB-IOT)
Wisdom parking guidance system and method.
Background technology
As China's economy constantly increases, living standards of the people are continuously improved, and city automobile owning amount steeply rises, city
Open curb parking management difficulty is also increasing.If efficient and rational managed curb parking, it will be able to be effectively relieved
Parking difficulty problem.
Country's curb parking management status at present：
The labor management of the first generation is completely dependent on people and does open curb parking management.Face following problem：(1) it receives
Take managerial confusion：Arbitrary imposition of fees, charging are inaccurate, and charge dispute is more, and fee-collector, which practices fraud, operates more, personation fee-collector's arbitrary imposition of fees；(2) it transports
It is low to seek the efficiency of management：Fee-collector's management region is limited, and for difficult charge to supervise, escaping arrearage can not recovery；(3) operation management manpower at
This height；(4) fee-collector's longevity of service, salary and conditions is low, and attraction is insufficient, and flow of personnel is fast.
The Parking Meter of the second generation is parked management, and the mode of " Parking Meter " timing charge-by-card is taken, and relies on car owner oneself in Parking Meter
Upper completion timing and payment.This compares first generation labor management, reduces the problem of toll administration confusion and reduces manpower
Cost, but due to the car owner's independence that places one's entire reliance upon, it is faced with car owner's fee evasion, difficult charge is to supervise；The equipment later stage ties up
Shield and operation cost are higher and the problems such as find idle parking position.
Wagon detector is installed in the conventional wireless intelligent parking management of the third generation, parking stall on ground, will using double bounce technology
Vehicle occupied information is reported to operator wireless network, and (wagon detector is by the short distances such as Zigbee communications by information reporting
To aggregation gateway, aggregation gateway is reported by 2G/3G networks again), intelligent management is then carried out by parking management platform.Car owner
Inquiry periphery roadside free time parking stall, self-service completion inquiry and payment can be facilitated by cell phone application；Proprietor can be managed by stopping
Platform carries out stall system real-time management in real time, if it is desired, government's traffic administration can be also docked, it is violating the regulations convenient for city parking
Management.Compared to its first two generation, intelligence degree significant increase.But a disadvantage is that wireless communication uses unauthorized frequency range, private to build nothing
Line LAN, presence signal interference problem, network stabilization safety is poor, and pay imformation may be caused inaccurate；Aggregation gateway
Limited coverage area, a usual aggregation gateway can only manage 10~15 parking stalls, inefficiency, equipment cost and lower deployment cost
It is higher；Different intelligent parking apparatus producer uses privately owned wireless short-range communications, can not be compatible with.
Invention content
To be solved by this invention is the problems of current wisdom parking, is provided a kind of based on internet and protenchyma
The wisdom parking guidance system and method for networking, with internet+Internet of Things, NB-IoT, sensing technology, embedded technology etc.
Multinomial technology provides the solution of wisdom parking, solves the problems, such as parking difficulty.
To solve the above problems, the present invention is achieved by the following technical solutions：
Wisdom parking guidance system based on internet Yu narrowband Internet of Things, by sensing layer, communication layers, NB-IOT platforms
Layer, application service layer and client layer composition；Sensing layer includes several wireless geomagnetism parking space intelligent awareness apparatus, these are wirelessly
Magnetic parking space intelligent awareness apparatus is separately mounted on parking stall, and each wireless geomagnetism parking space intelligent awareness apparatus is responsible for acquiring residing vehicle
The parking stall data of position, and the parking stall data of acquisition are wirelessly connected to by all parking stall status informations by narrowband Internet of Things
The base stations NB-IOT of communication layers；Communication layers include several base stations NB-IOT and NB-IOT core networks, the wherein base stations NB-IOT
It is connect with the wireless geomagnetism parking space intelligent awareness apparatus of sensing layer, the base stations NB-IOT mainly undertake sensing layer wireless geomagnetism parking stall intelligence
The processing of energy awareness apparatus wireless access and management function, and be attached with NB-IOT core networks；NB-IOT podium levels are responsible for
The parking stall data for the NB-IOT that the NB-IOT core networks of convergence communication layers obtain, and be transmitted to according to different perception data types
Application service layer carries out concrete application processing；Application service layer is deployed in high in the clouds, to client layer offer include parking stall inquiry service,
Parking stall reservation service, parking stall navigation Service, on-line payment service and intelligence interface service；Client layer includes client end AP P kimonos
It is engaged in platform, user by the parking space state information of client end AP P and web browser real time inspection periphery parking lot exist
Line parking stall is predetermined, parking stall is navigated and on-line payment.
In above system, the wireless geomagnetism parking space intelligent awareness apparatus on each parking stall is mainly by based on the micro- of ARM kernels
Control unit, three axis geomagnetic sensors, optical sensor, protenchyma networking module, USIM interfaces, communication interface, blue tooth interface,
Antenna and power module composition；Three axis geomagnetic sensors and optical sensor are embedded on the ground of parking stall；Three axis earth magnetism sense
Device includes X-axis magnetoresistive sensor, Y-axis magnetoresistive sensor, Z axis magnetoresistive sensor, data selector, A/D converter circuit, set drive
Dynamic circuit, reset driving circuit and interface control circuit composition；X-axis magnetoresistive sensor, Y-axis magnetoresistive sensor, Z axis magneto-resistive transducing
Device is connect with 3 input terminals of data selector respectively, and the output end of data selector is via A/D converter circuit connecting interface control
The data input pin of circuit processed；The set end of set driving circuit connecting interface control circuit；Reset driving circuit connecting interface
The reset terminal of control circuit；Interface control circuit is connect with micro-control unit；The output end of optical sensor connects microcontroller list
Member；Micro-control unit is connected with protenchyma networking module, and antenna is connected on protenchyma networking module；On protenchyma networking module
Equipped with USIM interfaces, Internet of Things network interface card is installed on the USIM interfaces；Micro-control unit be equipped with communication interface, the communication interface with
External bluetooth equipment connection；Micro-control unit is equipped with communication interface, which connects with ground lock；Power module connection is micro-
The power end of control unit, three axis geomagnetic sensors and protenchyma networking module.
In above system, Intellisense apparatus body still further comprises electromagnetic compatibility module and/or Electro-static Driven Comb module,
Electromagnetic compatibility module and Electro-static Driven Comb module are connect with protenchyma networking module.
The wisdom based on internet and narrowband Internet of Things that above system is realized is parked abductive approach, including step is such as
Under：
Step 1, system start, and the wireless geomagnetism parking space intelligent awareness apparatus of sensing layer starts power up, equipment initialization, if
It is standby to begin look for NB-IOT networks, at this point, micro-control unit sends initialization directive to protenchyma networking module, narrowband Internet of Things
Module sends the instruction that networks and network is added to NB-IOT platform applications, and network is added in equipment；After network success is added in equipment, equipment
Into normal operating condition, and go to step 2；
Under normal operating conditions, micro-control unit timing inquires whether this parking stall has vehicle discrepancy for step 2, equipment：If
Inquiry has the vehicle i.e. three axis geomagnetic sensors of discrepancy and/or the data of optical sensor input to change, and equipment enters parking stall ring
Border parameter acquisition state, and go to step 3；If it is that three axis geomagnetic sensors and/or optical sensor are defeated that inquiry comes in and goes out without vehicle
The data entered do not change, then equipment keeps normal operating condition；
Step 3, under the environmental parameter acquisition state of parking stall, equipment pass through three axis geomagnetic sensors carry out three axis geomagnetic parameters
Acquisition, while ambient enviroment illumination parameter acquisition is carried out by optical sensor；
Step 4, micro-control unit judge ground magnet ring according to the collected three axis earth magnetism environmental parameter of three axis geomagnetic sensors
Whether border parameter changes：If there is a change, then step 6 is gone to；If do not changed, three axis geomagnetic sensors
Continue geomagnetic parameter acquisition；
Step 5, micro-control unit judge whether illumination is sent out according to the collected ambient enviroment illumination parameter of optical sensor
Changing：If changed, step 6 is gone to；If do not changed, optical sensor continues illumination parameter and adopts
Collection；
After step 6, micro-control unit obtain geomagnetic parameter and illumination parameter, multistage digital FIR filter is first used, over the ground
Magnetic parameter is smoothed and compensates, then the geomagnetic parameter that smoothing processing is crossed carries out multi-faceted detection sampled value and counterparty
Position earth magnetism baseline parameter compare, while by the illumination parameter of acquisition with usually without vehicle when illumination baseline parameter compare；
Step 7, when geomagnetic parameter is more than that earth magnetism baseline parameter and illumination parameter are more than illumination baseline parameter, microcontroller list
Member, which regards as this parking stall, vehicle discrepancy, and otherwise micro-control unit, which regards as adjacent parking stall, vehicle discrepancy；
Step 8, when micro-control unit regards as this parking stall and has vehicle discrepancy, micro-control unit is by parking stall data and its parking stall
Geographical location information framing be parking stall data after, be transmitted to protenchyma networking module；When micro-control unit regards as adjacent parking stall
When having vehicle discrepancy, any data are not sent；
Micro-control unit is needed the parking stall data sent to be sent to communication layers through antenna by step 9, protenchyma networking module
The base stations NB-IOT；
Step 10, equipment return to normal operating condition, wait for the arriving triggered next time, and go to step 2；
Step 11, communication layers NB-IOT core networks the parking stall data that each base stations NB-IOT are sent are sent to NB-IOT
On podium level, NB-IOT podium levels carry out the publication of parking stall data；
Step 12, when user needs to park, it is flat that NB-IOT is connected by client end AP P with web browser in client layer
Platform layer obtains parking stall data, and carries out predetermined parking stall lookup, parking stall, parking stall navigation and on-line payment by application service layer,
Completion is parked induction；
After step 13, parking stall data publication, traffic control platform realizes wisdom linkage clothes by the intelligence interface of application service layer
Business notifies traffic-police to carry out processing violating the regulations the parking stall situation not paid in time to alleviate traffic congestion.
As the improvement of method, user passes through near field Bluetooth communication, the sense of connection wireless geomagnetism parking stall when using parking stall
Know equipment, closely obtains parking stall position or short distance parking stall and search and look for vehicle.
Compared with prior art, present invention is mainly used for smart city road parking position Intellisenses, and wirelessly send out
Parking space state information is sent, in conjunction with wisdom parking guidance system, the wisdom induction of curb parking is realized, solves city roadside and stop
The problem of vehicle hardly possible.The present invention is integrated using narrowband technology of Internet of things, sensor technology, embedded technology using technology of Internet of things
City parking resource promotes the promotion of social whole efficiency with information-based means, at low cost, stability is strong, technologically advanced
The features such as, the difficulty that car owner looks for parking stall is substantially reduced, alleviates traffic pressure, reduces the idle waste of parking position.For
The social concern of current parking difficulty effectively subtracts for the efficient linkage for realizing between car owner, parking lot, municipal traffic control department three
Light municipal traffic government pressure has higher social benefit in novel urbanization planning and designing and building.
Description of the drawings
Fig. 1 is that the wisdom parking guidance system based on internet and narrowband Internet of Things constitutes block diagram.
Fig. 2 is the structure diagram of wireless geomagnetism parking space intelligent awareness apparatus.
Fig. 3 is geomagnetic sensor+optical sensor structure chart.
Fig. 4 is that the wisdom based on internet and narrowband Internet of Things is parked the flow chart of abductive approach.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific example, and with reference to attached
Figure, the present invention is described in more detail.
Referring to Fig. 1, a kind of wisdom parking guidance system based on internet Yu narrowband Internet of Things, by sensing layer, communication layers,
NB-IOT podium levels, application service layer and client layer composition.
Sensing layer includes mainly several wireless geomagnetism parking space intelligent awareness apparatus, is responsible for acquisition parking stall status data, and will
The parking space state data of acquisition are wirelessly connected to logical by all parking stall status informations by narrowband Internet of Things (NB-IOT) technology
Believe the base stations NB-IOT of layer.
Several wireless geomagnetism parking space intelligent awareness apparatus included by sensing layer, are the cores of system.Wirelessly
Magnetic parking space intelligent awareness apparatus presses modularized design, is set based on micro energy lose designing technique, sensing technology, embedded technology etc.
Meter.Wireless geomagnetism parking space intelligent awareness apparatus on each parking stall will be by ARM kernel low-power consumption MCU, three axis geomagnetic sensors, light
According to sensor, narrowband Internet of Things (NB-IOT) module, USIM interfaces, communication interface, BLE blue tooth interfaces, IPEX antennas, EMC (electricity
Magnetic is compatible with) module, ESD (Electro-static Driven Comb) modules and DC-DC power module composition, referring to Fig. 2.Three axis geomagnetic sensors and
Optical sensor is embedded on the ground of parking stall.Three axis geomagnetic sensors are connect with micro-control unit.The output of optical sensor
End connection micro-control unit.Micro-control unit is connected with protenchyma networking module, and antenna is connected on protenchyma networking module.Electricity
It magnetic compatible modules and is connect with Electro-static Driven Comb module protenchyma networking module.Protenchyma networking module is equipped with USIM interfaces, should
Internet of Things network interface card is installed on USIM interfaces.Micro-control unit is equipped with communication interface, which connects with external bluetooth equipment
It connects.Micro-control unit is equipped with communication interface, which connects with ground lock.Power module connects micro-control unit, three axis
The power end of geomagnetic sensor and protenchyma networking module.
ARM kernel low-power consumption MCU is responsible for data acquisition, pretreatment, the Algorithm Analysis of geomagnetic sensor, optical sensor
Deng, and combination car body magnetic perturbation theoretical algorithm, adaptively Magnetic testi algorithm carry out parking space state and accurately identify, and control NB-IOT moulds
Block carries out wireless data transmission processing, the monitoring of equipment oneself state and early warning (battery) etc..
Three axis geomagnetic sensors are a kind of surface-pasted highly integrated modules, and carry the weak magnetic sensor core of digital interface
Piece, including high-resolution magnetic resistance sensor, and it includes amplifier, autodegauss driver, deviation calibration, 12 to be attached to integrated circuit
Position analog-digital converter, easy I2C serial bus interface.Geomagnetic sensor is periodically detected the variation in parking stall region earth's magnetic field
The presence of ferromagnetic object is perceived, when vehicle occurs near geomagnetic sensor, geomagnetic sensors detection parking stall earth's magnetic field
Change and carries out data acquisition.Referring to Fig. 3, three axis geomagnetic sensors include X-axis magnetoresistive sensor, Y-axis magnetoresistive sensor, Z axis
Magnetoresistive sensor, data selector, A/D converter circuit, set driving circuit, reset driving circuit and interface control circuit composition.
X-axis magnetoresistive sensor, Y-axis magnetoresistive sensor, Z axis magnetoresistive sensor are connect with 3 input terminals of data selector respectively, data
The output end of selector via A/D converter circuit connecting interface control circuit data input pin.Set driving circuit connecting interface
The set end of control circuit.Three axis magnetoresistive sensors are the cores of geomagnetic sensor, are mainly used for acquiring external X, Y, Z tri-
The variation of axis earth magnetism field parameters, using anisotropic magnetoresistive (AMR) technology, the technological precedence is in other magnetic sensor technologies.This
A little anisotropy sensors have the characteristics that axial highly sensitive and linearly high-precision, sensor have to the low of quadrature axis
The solid-phase construction of sensitivity can be used to measure direction and the size in earth magnetic field, and measurement range is from milligauss to 8 Gausses.Data
After the data that selector acquires three axis magnetoresistive sensors carry out mixed processing, it is sent into AD conversion.A/D converter circuit is by three axis magnetic
The data of resistance sensor acquisition are AD converted processing, can be in the magnetic of 8 Gausses using 12bit ADC and low interference AMR sensor
5 milligauss resolution ratio are realized in, improve sampling precision.Interface control circuit uses I2C digital interfaces, logical with peripheral equipment
News are suitable for general two-wire serial data interface.Set/reset driving circuit band set/reset and bias drive circuit are used for
Demagnetization is tested oneself and migration.
Optical sensor is pyroelectric effect principle, and sensing element uses wire winded electroplating formula multiple-contact thermoelectric pile, surface to apply
There is the black coating of high-absorbility.Hot junction is in sensitive surface, and cold junction point is then located in body, and cold and hot contact generates thermoelectric
Gesture.In the range of linearity, output signal and illumination are directly proportional.Influence to reduce temperature is then furnished with temperature compensation circuit, in order to
Influence of the environment to its performance is prevented, then with two layers of quartz glass cover, cover is made of being ground by accurate optics cold working.
Optical sensor is periodically detected the variation of parking stall region illuminance to perceive the presence of object, when vehicle is in optical sensor
When nearby occurring, optical sensor detection parking stall illuminance changes and carries out data acquisition.
NB-IOT modules are responsible for the reception of the transmission and cloud system communication data of awareness apparatus status data.NB-IOT is
The emerging technology in one, the fields IOT supports low power consuming devices to be connected in the cellular data of wide area network, also referred to as low-power consumption wide area
Net (LPWAN).NB-IOT focuses on low-power consumption and extensively covers the market (LPWA) Internet of Things (IOT), is that one kind can be in the world
Widely applied emerging technology.Have the characteristics that covering is wide, connection is more, rate is fast, at low cost, low in energy consumption, framework is excellent etc..NB-IOT
It is implemented in cellular network, the bandwidth of about 180KHz is only consumed, GSM network, UMTS network or LTE network can be deployed directly into,
To reduce lower deployment cost, realize smooth upgrade.NB-IOT supports stand-by time length, to the efficient of network connectivity requirements higher device
Connection.NB-IOT uses License frequency ranges, three kinds of deployment way such as interior band, protection band or Independent Carrier Wave can be taken, with existing net
Network coexists.In a preferred embodiment of the invention, NB-IOT modules use BC95 modules, and BC95 modules are a high-performance, low work(
The NB-IOT wireless communication modules of consumption.Its size is only 19.9 × 23.6 × 2.2mm, can meet terminal device pair to the maximum extent
The demand of small-sized module product simultaneously effective helps client to reduce product size and optimizes product cost.BC95 modules are adopted
With micro energy lose power conservation techniques, current power dissipation is under battery saving mode (PSM), down to 5uA.
USIM interfaces are for installing Internet of Things network interface card.Usim card interface circuit, which meets ETSI and IMT-2000 SIM interfaces, to be wanted
It asks, the usim card that 1.8V and 3.3V can be supported to power, usim card hot plug, each signal is supported to increase ESD protective device and be used for ESD
Protection, and by increasing shunt capacitance for filtering out radiofrequency signal interference.
Communication interface includes serial ports, USB interface, I2C interface, I/O interfaces etc., for carrying out data interaction with outside, adjusting
Examination etc..Communication interface is connected by I/O interfaces and ground lock, is locked to installation on parking stall ground, in the case where parking stall is without predetermined case, ground lock
It opens, ensures that parking stall without under predetermined case, does not allow vehicle parking；After parking stall is predetermined, when host vehicle reaches parking stall, pass through
Predetermined codes control ground lock in parking stall is fallen, and preset vehicle enters predetermined parking stall.
BLE bluetooths use low-power consumption bluetooth technology, for being attached with external bluetooth equipment, realize that parking stall is searched and looked for
Vehicle correlation function.
IPEX antennas are connected in NB-IOT modules.IPEX antennas are a kind of PCB antennas, are sent out for NB-IOT module by signal
It penetrates and receives.Antennal interface resistance requirements reach 50 ohm.Antenna is a Sensitive Apparatus, is easy the shadow by external environment
It rings, increases on access double L-shaped matching in design thus to improve radio-frequency performance, it is used in parallel at antennal interface
Inductance is used for antistatic.
EMC (electromagnetic compatibility) circuits and ESD (Electro-static Driven Comb) circuits fully consider in the design process of entire product
Signal integrity caused by electromagnetic compatibility problem and Power Integrity problem.In order to allow circuit to avoid, by electromagnetic interference, carrying out
EMC processing, the power supply in peripheral circuit place and route and signal lead, keep 2 times of line widths, with efficiently reduce signal it
Between coupling and keep a clean signal return flow path.Crucial input/output signal interface considers ESD design protections,
Increase ESD circuit, reaches good ESD protections.
DC-DC power module is responsible for awareness apparatus and provides stabilized power source.DC-DC power module supply district is 3.4-
4.2V selects lithium battery power supply to increase the low ESR of 220uF or more on supply access to meet the needs of transient high-current
Storage capacitor, increase the filter capacitor of different capacitances on supply access, reduce interference, and increase EMI relevant treatments
Circuit.
It is related to management etc. that communication layers mainly undertake the processing of sensing layer wireless geomagnetism parking space intelligent awareness apparatus wireless access
Function is attached with NB-IOT core networks.
NB-IOT podium levels are responsible for the NB-IOT related datas that convergence access net obtains, and according to different perception data types
It is transmitted to application service layer and carries out concrete application processing.
Application service layer is deployed in high in the clouds, and uses client-oriented design pattern, includes mainly parking stall inquiry clothes
Business, parking stall reservation service, parking stall navigation Service, on-line payment, geographic information services, parking space intelligent recommendation service and intelligence interface
Deng.Wisdom parking guidance system application layer is deployed in high in the clouds, predetermined etc. to client layer offer parking stall inquiry, on-line payment, parking stall
Service.
Parking stall inquiry service is currently located geographical location or user's specified geographic location as starting point using user, is looked by system
It askes and obtains a certain range of parking lot (parking road) idle parking stall table data, and intuitive displaying user on the electronic map
Distance and parking lot (parking road) idle parking space state data, user of the current location apart from parking lot (parking road) pass through
Select parking lot (parking road) icon on the electronic map, you can check the remaining parking stall quantity in parking lot (parking road) and
It is distributed, and the predetermined, on-line payment of parking stall navigation and online parking stall can be carried out simultaneously etc..
Geographic information services are mainly used for intuitively showing parking lot (parking road) and its parking space state data, and provide ground
Manage the functions such as position selection, space querying, parking stall selection and parking stall navigation.
Parking space intelligent recommendation service is most suitable to user's intelligent recommendation in conjunction with real-time road condition information according to user current location
Parking space information.
Intelligence interface is docked with the traffic control system of government, parking stall can be arranged in road and be guided display, be effectively relieved
Traffic congestion；Notify traffic-police to carry out processing violating the regulations in time the parking stall situation not paid, effectively solve disorderly parking and
Fee evasion phenomenon.
Application service layer uses micro services framework, is finely divided to business.It is communicated using RPC between micro services, it is auxiliary
With messaging bus and API Calls, is communicated using cloud platform unified message bus between cross-system, be aided with the API of cross-system
It calls, needs to be monitored all service states, it when something goes wrong can timely early warning.
The major function of application service layer：1) Security Authentication Service：Service to the user and user that log on to cloud platform
Safety certification management is done in request.2) application service：Platform types of applications function is provided with service form.3) long-range wisdom supervision clothes
Business：It is automatically completed using Intellectual Analysis Technology and data storage, remote diagnosis is carried out to terminal device, provided remotely for parking lot
Monitoring service, manages all kinds of events such as parking lot monitoring, service request concentratedly, intelligent scheduling.4) high in the clouds storage service：It provides
The cloud storage service of critical data realizes distal information backup.5) web Service interface service：Platform provides WebService
Interface, convenient for integrating and sorts of systems application access.
Client layer includes client end AP P and service platform, and user can use client end AP P, roadside large-size screen monitors, WEB to browse
Device, wechat public platform etc. check, predetermined parking stall and carries out on-line payment etc..System passes through operator's NB-IOT narrowband wireless communications
Parking stall status information is sent to cloud server by technology in real time, is realized the unified publication and management of whole city parking space information, is used
Family can be by city parking position status information where client end AP P, web browser and roadside advertisement large-size screen monitors real time inspections, and can
Carry out online parking stall predetermined, on-line payment and parking stall navigation, geographic information services etc..
The wisdom based on internet and narrowband Internet of Things that above system is realized is parked abductive approach, such as Fig. 4, specific
Including steps are as follows：
Step 1, system start, and the wireless geomagnetism parking space intelligent awareness apparatus of sensing layer starts power up, equipment initialization, if
It is standby to begin look for NB-IOT networks, at this point, micro-control unit sends initialization directive to protenchyma networking module, narrowband Internet of Things
Module sends the instruction that networks and network is added to NB-IOT platform applications, and network is added in equipment；After network success is added in equipment, equipment
Into normal operating condition, and it is in micro energy lose state, and goes to step 2；Awareness apparatus keeps logical by heartbeat packet and system
Letter contact, can be into row data communication；
Under normal operating conditions, micro-control unit timing inquires whether this parking stall has vehicle discrepancy for step 2, equipment：If
Inquiry has the vehicle i.e. three axis geomagnetic sensors of discrepancy and/or the data of optical sensor input to change, and equipment enters parking stall ring
Border parameter acquisition state, and go to step 3；If it is that three axis geomagnetic sensors and/or optical sensor are defeated that inquiry comes in and goes out without vehicle
The data entered do not change, then equipment keeps normal operating condition；
Step 3, under the environmental parameter acquisition state of parking stall, equipment pass through three axis geomagnetic sensors carry out three axis geomagnetic parameters
Acquisition, while ambient enviroment illumination parameter acquisition is carried out by optical sensor；
Step 4, micro-control unit judge ground magnet ring according to the collected three axis earth magnetism environmental parameter of three axis geomagnetic sensors
Whether border parameter changes：If there is a change, then step 6 is gone to；If do not changed, three axis geomagnetic sensors
Continue geomagnetic parameter acquisition；
When carrying out geomagnetic parameter acquisition, three axis earth magnetism environmental parameters are acquired, judge earth magnetism environmental parameter change curve, if
It changes, sends data to MCU and carry out Data Fusion, if unchanged continue geomagnetic parameter acquisition, carry out more
Secondary comparison acquisition avoids acquiring caused by environmental disturbances inaccurate.
Step 5, micro-control unit judge whether illumination is sent out according to the collected ambient enviroment illumination parameter of optical sensor
Changing：If changed, step 6 is gone to；If do not changed, optical sensor continues illumination parameter and adopts
Collection；
When carrying out illumination parameter acquisition, the variation of ambient light intensity is acquired, if changed, is sent data to
MCU carries out Data Fusion, if unchanged continue illumination parameter acquisition, carries out repeatedly comparing acquisition, avoids environment
It is acquired caused by interference inaccurate.
After step 6, micro-control unit obtain geomagnetic parameter and illumination parameter, Data Fusion is carried out.It first uses multistage
Digital FIR filter is smoothed geomagnetic parameter and compensates, then the geomagnetic parameter progress that smoothing processing is crossed is multi-faceted
Detection sampled value compared with corresponding orientation earth magnetism baseline parameter, while by the illumination parameter of acquisition and usually without vehicle when illumination baseline
Parameter compares；
Data transmission has a vehicle to MCU processing units, if it is this parking stall, three-axle magnetic field parameter will significant changes, but
When there is vehicle discrepancy in adjacent parking stall, three-axle magnetic field Parameters variation will not be notable.Optical sensor acquires not Tongfang according to car body position
The illumination parameter of position, sends data to MCU processing unit processes, has vehicle, illumination parameter that will significantly become if it is this parking stall
Change, but when there is vehicle discrepancy in adjacent parking stall, illumination parameter variation will not be notable.Therefore MCU processing units receive three-axle magnetic field ginseng
After number and optical sensor parameter, multistage digital FIR filter is used first, data smoothing processing is carried out, by the earth magnetism of acquisition
Parameter carries out digital filtering smoothly and compensates, to effectively eliminate the interference of external magnetic field；Then MCU processing units are using adaptive
Geomagnetism detecting algorithm, the geomagnetic parameter that smoothing processing is crossed with usually without vehicle when earth magnetism baseline parameter contrast conting, using baseline
Algorithm, multi-faceted detection sampled value and baseline parameter contrast conting, dynamic calibration, dynamic tracking environmental Parameters variation；It ties simultaneously
The illumination parameter compound detection obtained is closed, multi-parameters sampling is compared by three-axle magnetic field parameter and illumination parameter with baseline parameter
It calculates, fusion treatment, dynamic tracking environmental Parameters variation, tool precisely judges whether that this parking stall has vehicle or adjacent parking stall to have
Vehicle, anti-adjacent parking stall interference performance stronger in this way.
Step 7, when geomagnetic parameter is more than that earth magnetism baseline parameter and illumination parameter are more than illumination baseline parameter, microcontroller list
Member, which regards as this parking stall, vehicle discrepancy, and otherwise micro-control unit, which regards as adjacent parking stall, vehicle discrepancy；
Step 8, when micro-control unit regards as this parking stall and has vehicle discrepancy, micro-control unit by parking stall perception data and its
Parking stall geographical location information framing be parking stall data after, be transmitted to protenchyma networking module；When micro-control unit regard as it is adjacent
When there is vehicle discrepancy in parking stall, any data are not sent；
Micro-control unit is needed the parking stall data sent to be sent to communication layers through antenna by step 9, protenchyma networking module
The base stations NB-IOT；
Step 10, equipment return to normal operating condition, wait for the arriving triggered next time, and go to step 2；
Step 11, communication layers NB-IOT core networks the parking stall data that each base stations NB-IOT are sent are sent to NB-IOT
On podium level, NB-IOT podium levels carry out the publication of parking stall data；
Step 12, when user needs to park, it is flat that NB-IOT is connected by client end AP P with web browser in client layer
Platform layer obtains parking stall data, and carries out predetermined parking stall lookup, parking stall, parking stall navigation and on-line payment by application service layer,
Completion is parked induction；User can be connected the perception of wireless geomagnetism parking stall and set when using parking stall by near field Bluetooth communication
It is standby, parking stall position is closely obtained, the lookup of short distance parking stall can also be carried out and look for vehicle；
After step 13, parking stall data publication, traffic control platform realizes wisdom linkage clothes by the intelligence interface of application service layer
Business notifies traffic-police to carry out processing violating the regulations the parking stall situation not paid in time to alleviate traffic congestion.
The present invention is based on the wisdom parking guidance system of internet+narrowband Internet of Things (NB-IOT), i.e. forth generation NB-IOT
Wisdom vehicle management system solves the problems, such as that current wisdom parking exists.System is with internet+Internet of Things, NB-IoT, biography
The multinomial technology such as sense technology, embedded technology provides the solution of wisdom parking, solves the problems, such as parking difficulty.
Sensing node is laid according to parking stall quantity, and a wireless geomagnetism parking space intelligent perception is laid on each parking stall and is set
It is standby, there is wide covering, big connection, low-power consumption, super long standby time, stand-by time to be the advantages such as 10 years.Carrying out parking stall sense
When knowing, using compound detection technique, in conjunction with micropower earth induction detection technique, (optical sensor+earth magnetism passes multisensor
Sense) technology, based on majority according to acquisition, while coordinating using multistage digital filtering antialiasing, by filter and compensate come
Eliminate the interference of external magnetic field.Not only dynamic tracking environmental Parameters variation in this way, but also Fusion can be utilized
The method of processing overcomes adjacent parking stall to interfere, and detection performance will not decline at any time, need not manually regular calibration, typical
Under outdoor environment, the adjacent parking stall interference problem of traditional single-sensor can be significantly overcome, and it is narrow by low-power consumption to acquire information
Band technology of Internet of things is transmitted to service centre, carries out related application processing, it is no longer necessary to aggregation gateway.
Third generation curb parking is compared using the wisdom parking guidance system based on internet+narrowband Internet of Things (NB-IOT)
Management, it is possible to reduce aggregation gateway saves aggregation gateway equipment and deployment cost, and per Spring Festival holidays maintenance cost.Pass through mobile phone
APP can provide parking position inquiry, parking stall navigation for car owner, can effectively help car owner to be quickly found out idle parking stall,
Car owner's time and invalid oil consumption are saved, while improving parking position turnover rate, alleviate congestion in road and reduces exhaust emissions, both
There is economic value to also have social value.In addition, system is docked with the traffic control system of government, can parking stall be set in road
Guiding display, is effectively relieved traffic congestion；Traffic-police is notified to carry out processing violating the regulations in time the parking stall situation not paid,
Effectively solve disorderly parking and fee evasion phenomenon.Therefore, it is based on the wisdom parking guidance system of internet+narrowband Internet of Things (NB-IOT)
It is best open roadside wisdom parking solution, scientific and efficient can be solved in novel urbanization planning and designing and in building
City curb parking problem of management.
This product integrates city using narrowband technology of Internet of things, sensor technology, embedded technology, using technology of Internet of things
Parking resource promotes the promotion of social whole efficiency with information-based means, has that at low cost, stability is strong, the spies such as technologically advanced
Point substantially reduces the difficulty that car owner looks for parking stall, alleviates traffic pressure, reduces the idle waste of parking position.For current
The social concern of parking difficulty effectively mitigates city for the efficient linkage for realizing between car owner, parking lot, municipal traffic control department three
Political affairs traffic administration pressure has higher social benefit in novel urbanization planning and designing and building.
It should be noted that although the above embodiment of the present invention is illustrative, this is not to the present invention
Limitation, therefore the invention is not limited in above-mentioned specific implementation mode.Without departing from the principles of the present invention, every
The other embodiment that those skilled in the art obtain under the inspiration of the present invention is accordingly to be regarded as within the protection of the present invention.
Claims (5)
1. the wisdom parking guidance system based on internet Yu narrowband Internet of Things, characterized in that by sensing layer, communication layers, NB-
IOT podium levels, application service layer and client layer composition；
Sensing layer includes several wireless geomagnetism parking space intelligent awareness apparatus, these wireless geomagnetism parking space intelligent awareness apparatus difference
On parking stall, each wireless geomagnetism parking space intelligent awareness apparatus is responsible for acquiring the parking stall data of residing parking stall, and will own
The parking stall data of acquisition are wirelessly connected to the base stations NB-IOT of communication layers by parking stall status information by narrowband Internet of Things；
Communication layers include several base stations NB-IOT and NB-IOT core networks, the wherein base stations NB-IOT and sensing layer wirelessly
Magnetic parking space intelligent awareness apparatus connects, and the base stations NB-IOT mainly undertake sensing layer wireless geomagnetism parking space intelligent awareness apparatus and wirelessly connect
Enter processing and management function, and is attached with NB-IOT core networks；
NB-IOT podium levels are responsible for converging the parking stall data of NB-IOT that the NB-IOT core networks of communication layers obtain, and according to not
It is transmitted to application service layer with perception data type and carries out concrete application processing；
Application service layer is deployed in high in the clouds, includes parking stall inquiry service, parking stall reservation service, parking stall navigation clothes to client layer offer
Business, on-line payment service and intelligence interface service；
Client layer includes client end AP P and service platform, and user is by passing through client end AP P and web browser real time inspection week
The parking space state information in side parking lot, and carry out predetermined online parking stall, parking stall navigation and on-line payment.
2. the wisdom parking guidance system according to claim 1 based on internet Yu narrowband Internet of Things, characterized in that every
Wireless geomagnetism parking space intelligent awareness apparatus on a parking stall is mainly sensed by micro-control unit, three axis earth magnetism based on ARM kernels
Device, optical sensor, protenchyma networking module, USIM interfaces, communication interface, blue tooth interface, antenna and power module composition；
Three axis geomagnetic sensors and optical sensor are embedded on the ground of parking stall；Three axis geomagnetic sensors include that X-axis magnetic resistance passes
Sensor, Y-axis magnetoresistive sensor, Z axis magnetoresistive sensor, data selector, A/D converter circuit, set driving circuit, reset drives
Circuit and interface control circuit composition；X-axis magnetoresistive sensor, Y-axis magnetoresistive sensor, Z axis magnetoresistive sensor are selected with data respectively
3 input terminals connection of device is selected, the output end of data selector is defeated via the data of A/D converter circuit connecting interface control circuit
Enter end；The set end of set driving circuit connecting interface control circuit；The reset of reset driving circuit connecting interface control circuit
End；Interface control circuit is connect with micro-control unit；The output end of optical sensor connects micro-control unit；Micro-control unit with
Protenchyma networking module is connected, and antenna is connected on protenchyma networking module；
Protenchyma networking module is equipped with USIM interfaces, and Internet of Things network interface card is equipped on the USIM interfaces；Micro-control unit is equipped with
Communication interface, the communication interface are connect with external bluetooth equipment；Micro-control unit is equipped with communication interface, the communication interface and ground
Lock connection；
Power module connects the power end of micro-control unit, three axis geomagnetic sensors and protenchyma networking module.
3. the wisdom parking guidance system according to claim 2 based on internet Yu narrowband Internet of Things, characterized in that intelligence
Energy awareness apparatus ontology still further comprises electromagnetic compatibility module and/or Electro-static Driven Comb module, electromagnetic compatibility module and/or electrostatic
Release module is connect with protenchyma networking module.
The abductive approach 4. wisdom based on internet and narrowband Internet of Things that system described in claim 1 is realized is parked, it is special
Sign is, including steps are as follows：
Step 1, system start, and the wireless geomagnetism parking space intelligent awareness apparatus of sensing layer starts power up, and equipment initialization, equipment is opened
Begin to find NB-IOT networks, at this point, micro-control unit sends initialization directive to protenchyma networking module, protenchyma networking module
It sends the instruction that networks and network is added to NB-IOT platform applications, network is added in equipment；After network success is added in equipment, equipment enters
Normal operating condition, and go to step 2；
Under normal operating conditions, micro-control unit timing inquires whether this parking stall has vehicle discrepancy for step 2, equipment：If inquiry
There are the vehicle i.e. three axis geomagnetic sensors of discrepancy and/or the data of optical sensor input to change, equipment enters parking stall environment ginseng
Number acquisition state, and go to step 3；If it is three axis geomagnetic sensors and/or optical sensor input to inquire without vehicle discrepancy
Data do not change, then equipment keeps normal operating condition；
Step 3, under the environmental parameter acquisition state of parking stall, equipment by three axis geomagnetic sensors carry out three axis geomagnetic parameters adopt
Collection, while ambient enviroment illumination parameter acquisition is carried out by optical sensor；
Step 4, micro-control unit judge ground magnetic environment ginseng according to the collected three axis earth magnetism environmental parameter of three axis geomagnetic sensors
Whether number changes：If there is a change, then step 6 is gone to；If do not changed, three axis geomagnetic sensors continue
Carry out geomagnetic parameter acquisition；
Step 5, micro-control unit judge whether illumination becomes according to the collected ambient enviroment illumination parameter of optical sensor
Change：If changed, step 6 is gone to；If do not changed, optical sensor continues illumination parameter acquisition；
After step 6, micro-control unit obtain geomagnetic parameter and illumination parameter, multistage digital FIR filter is first used, earth magnetism is joined
Number is smoothed and compensates, then the geomagnetic parameter that smoothing processing is crossed carries out multi-faceted detection sampled value with corresponding orientation
Magnetic baseline parameter compare, while by the illumination parameter of acquisition with usually without vehicle when illumination baseline parameter compare；
Step 7, when geomagnetic parameter is more than that earth magnetism baseline parameter and illumination parameter are more than illumination baseline parameter, micro-control unit is recognized
Being set to this parking stall has vehicle discrepancy, and otherwise micro-control unit, which regards as adjacent parking stall, vehicle discrepancy；
Step 8, when micro-control unit regards as this parking stall and has vehicle discrepancy, micro-control unit is geographical by parking stall data and its parking stall
Location information framing be parking stall data after, be transmitted to protenchyma networking module；Regarding as adjacent parking stall when micro-control unit has vehicle
When discrepancy, any data are not sent；
Micro-control unit is needed the parking stall data that send to be sent to through antenna the NB- of communication layers by step 9, protenchyma networking module
The base stations IOT；
Step 10, equipment return to normal operating condition, wait for the arriving triggered next time, and go to step 2；
Step 11, communication layers NB-IOT core networks the parking stall data that each base stations NB-IOT are sent are sent to NB-IOT platforms
On layer, NB-IOT podium levels carry out the publication of parking stall data；
Step 12, when user needs to park, NB-IOT podium levels are connected with web browser by client end AP P in client layer
It obtains parking stall data, and predetermined parking stall lookup, parking stall, parking stall navigation and on-line payment is carried out by application service layer, complete
It parks induction；
After step 13, parking stall data publication, traffic control platform realizes that wisdom linkage service comes by the intelligence interface of application service layer
Alleviate traffic congestion, and notifies traffic-police to carry out processing violating the regulations in time the parking stall situation not paid.
The abductive approach 5. wisdom according to claim 4 based on internet and narrowband Internet of Things is parked, characterized in that use
When using parking stall, by near field Bluetooth communication, connection wireless geomagnetism parking stall awareness apparatus closely obtains parking stall position at family
Or vehicle is searched and looked in short distance parking stall.
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| CN112071086A (en) * | 2020-09-11 | 2020-12-11 | 灵猫科技有限公司 | Urban traffic parking integrated management system based on Internet of things |
| CN114550466A (en) * | 2020-11-26 | 2022-05-27 | 中移物联网有限公司 | Parking space state detection method and device and electronic equipment |
| CN113568411A (en) * | 2021-07-30 | 2021-10-29 | 深圳市新盒科技有限公司 | Machine trolley dispatching system for track map |
| CN113568411B (en) * | 2021-07-30 | 2023-10-27 | 深圳市新盒科技有限公司 | Machine trolley scheduling system for track map |
| CN114141046A (en) * | 2021-08-30 | 2022-03-04 | 中建电子信息技术有限公司 | Intelligent parking management system based on cloud platform |
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