CN210039129U - Urban road roadside parking management and control device - Google Patents
Urban road roadside parking management and control device Download PDFInfo
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- CN210039129U CN210039129U CN201921237992.4U CN201921237992U CN210039129U CN 210039129 U CN210039129 U CN 210039129U CN 201921237992 U CN201921237992 U CN 201921237992U CN 210039129 U CN210039129 U CN 210039129U
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Abstract
The utility model relates to the technical field of urban parking management and traffic safety, in particular to an urban road roadside parking management and control device; the device mainly comprises a central control unit, a parking information unit, a transmission pipeline unit, a vehicle positioning unit and a safety warning unit; the device drives the roadside parking vehicles into the parking spaces in a parallel mode with the road and pushes out the parking vehicles rapidly in a lateral direction, so that the roadside parking vehicles are driven away from the roadside parking spaces in a parallel mode with the road, the time for the roadside parking vehicles to drive into and out of the roadside parking spaces is shortened, the vehicle control steps for the roadside parking vehicles to drive into and out of the roadside parking spaces are reduced, the traffic safety of the roadside parking vehicles to drive into and out of the roadside parking spaces is improved, and the traffic efficiency of road traffic is improved.
Description
Technical Field
The utility model relates to an urban parking management and traffic safety technical field, concretely relates to urban road trackside parking management and control device.
Background
With the rapid increase of the holding capacity of urban automobiles and the increasing frequency of social and economic activities, the difficulty in parking becomes a common urban traffic problem in large and medium cities in China. In order to solve the problem of difficult urban parking, urban road side parking spaces of different scales are channelized on one side or two sides of roads such as branches and secondary roads of an urban road traffic network by an urban traffic management department so as to solve the problem of difficult urban parking.
However, in road traffic systems of various major and middle cities in China, the ground road space is extremely limited, and road side parking spaces are channelized at two sides or one side of a road of an urban road traffic network, so that the originally limited ground road traffic space is narrower, the traffic speed of vehicles is seriously influenced, unsafe factors of vehicle driving are increased, and the traffic efficiency of the road is reduced; particularly, in the road-side parking process of vehicles, the road-side parking requires complex and slow road-side parking operations such as advancing, steering and backing, the passing speed of vehicles at the rear side is seriously hindered, and traffic jam is easily caused on a road-side parking road section; meanwhile, in the roadside parking process, since the roadside parking needs to cross the roadside parking space on the road to perform series of operations such as parking, steering, backing and the like to enter the roadside parking space, if a rear vehicle does not react timely in the roadside parking process, traffic accidents such as rear-end collision, side collision and the like are easily caused.
On the other hand, in the process that the roadside parking vehicle prepares to get out of the roadside parking space, the roadside parking vehicle needs a series of complicated and slow operation processes of steering, turning and the like due to the restriction of the roadside parking space in the process of entering the driving lane; in the process of entering a driving lane, if a rear vehicle does not react timely, traffic accidents such as rear-end collision, side collision and the like are easy to occur; meanwhile, the process that the roadside parking vehicle leaves the roadside parking space is a relatively slow driving-away process, so that the passing speed of the rear vehicle is seriously hindered, and the passing efficiency of the road is reduced.
Disclosure of Invention
The utility model provides an urban road roadside parking management and control device, the device mainly comprise central management and control unit, parking information unit, transmission pipeline unit, vehicle positioning unit, safety warning unit, as shown in figure 1. The device drives the roadside parking vehicles into the parking spaces in a parallel mode with the road and pushes out the parking vehicles rapidly in a lateral direction, so that the roadside parking vehicles are driven away from the roadside parking spaces in a parallel mode with the road, the time for the roadside parking vehicles to drive into and out of the roadside parking spaces is shortened, the vehicle control steps for the roadside parking vehicles to drive into and out of the roadside parking spaces are reduced, the traffic safety of the roadside parking vehicles to drive into and out of the roadside parking spaces is improved, and the traffic efficiency of road traffic is improved.
The technical solution of the utility model is to install the roadside parking space management and control device of the urban road, which is disclosed by the utility model, in the area of the roadside parking space channelized in the urban road traffic network, as shown in figure 2; the central control unit in the device is used for carrying out coordination management and control on information interaction and transmission among the parking information unit, the transmission pipeline unit, the vehicle positioning unit, the vehicle driving-away unit and the safety warning unit in the device, and simultaneously carrying out remote communication and information interaction with a remote traffic information center; the parking information unit is used for informing the driver of the number of remaining roadside parking spots in the roadside parking management and control device; the transmission pipeline unit is used for queuing the parking vehicles of the roadside parking control device in a queue without vacant spaces of parking spaces so as to ensure that the roadside parking vehicles can rapidly drive into the roadside parking spaces from the tail end of the transmission pipeline in a way of being parallel to the road without complex roadside parking operation, and can rapidly push out the roadside parking vehicles to be driven away laterally, so that the roadside parking vehicles to be driven away can rapidly drive out of the roadside parking spaces in a way of being parallel to the road without complex roadside parking operation; the vehicle positioning unit is used for informing a roadside parked driver of the current position of the parked vehicle and the serial number of the parking space so that the driver can quickly find the parked vehicle; the safety warning unit is used for judging the safe driving-off time of the vehicle and carrying out safety warning and collision prevention on surrounding vehicles and pedestrians in the road side parking and driving-off process so as to prevent traffic accidents.
The utility model provides a pair of urban road trackside parking management and control device, its characteristic mainly includes:
1) central management and control unit
The central control unit consists of a microcontroller module, a mobile communication module, a motherboard bus, a PCB (printed circuit board) backboard and a power module; the microcontroller module, the mobile communication module, the motherboard bus and the power supply module are embedded in the PCB backboard; the microcontroller module and the mobile communication module are in communication connection and information interaction through a motherboard bus;
the microcontroller module is used for collecting, analyzing, processing, coordinating and controlling information of all functional units in the roadside parking management and control device; the mobile communication module is used for transmitting the parking state information, the running state information and the running log information of the roadside parking management and control device to the remote traffic information center; the motherboard bus is used for carrying out communication connection and information interaction with each functional unit in the roadside parking management and control device; the PCB back plate is used for fixing electronic components in the roadside parking management and control device and providing a power supply connection circuit; the power module is used for providing a stabilized voltage power supply for each functional unit and component in the roadside parking management and control device.
2) Parking information unit
The parking information unit mainly comprises an LCD display module, a pressure sensor module and a PLC controller module; the LCD display module is in communication connection and information interaction with the PLC through a motherboard bus; the pressure sensor module is in communication connection and information interaction with the PLC in a wireless short-range communication mode;
the LCD display module is used for displaying the number of the remaining idle roadside parking spots in the current roadside parking management and control device; the pressure sensor module consists of a pressure sensor assembly and a wireless short-range communication assembly, wherein the pressure sensor assembly is used for sensing the pressure value of the roadside parking space so as to detect whether a vehicle is parked in the parking space and send parking state information in the roadside parking space to the PLC module through the wireless short-range communication assembly; the PLC module counts the number of idle parking positions in the roadside parking management and control device and sends the information of the number of idle parking positions to the LCD display module for display.
3) Transfer pipe unit
The transmission pipeline unit mainly comprises a transverse transmission module, a longitudinal transmission module, a transverse transmission motor, a longitudinal telescopic thruster and a PLC (programmable logic controller) module; the transverse transmission module is connected with a transverse transmission motor through a transmission crawler; the longitudinal transmission module is connected with the longitudinal telescopic thruster through a hydraulic connecting pipe; the transverse transmission motor and the longitudinal telescopic thruster are in communication connection and information interaction with the PLC through an RS232 serial port;
the transverse transmission module is used for queuing the parking vehicles on the roadside parking spaces at intervals without parking spaces; the longitudinal transmission module is used for rapidly pushing out the parking vehicles on the roadside parking spaces laterally so that the parking vehicles can rapidly drive out of the roadside parking spaces in a road parallel mode; the transverse transmission motor and the longitudinal telescopic thruster are respectively used for providing transmission power for the transverse transmission module and the longitudinal transmission module; the PLC module is used for positioning and controlling the transmission power output position, the starting time and the closing time of the transverse transmission motor and the longitudinal telescopic thruster.
4) Vehicle positioning unit
The vehicle positioning unit consists of a thermal sensitive micro printer, a thermal sensitive scanner and a micro LCD display module; the thermal sensitive micro printer, the thermal sensitive scanner and the micro LCD display module are in communication connection and information interaction with the central control unit through a motherboard bus;
the thermal sensitive micro printer is used for printing a parking receipt of a current parking vehicle, and parking comprises a parking position, parking time and a two-dimensional code comprising information of the parking position and the parking time; the heat-sensitive scanner is used for scanning the two-dimensional code on the parking receipt and transmitting the two-dimensional code to the central control unit through the motherboard bus, and the central control unit analyzes and verifies the two-dimensional code, retrieves the current parking position of the vehicle corresponding to the two-dimensional code and returns the retrieval result to the miniature LCD display module of the vehicle positioning unit; the miniature LCD display module displays the current parking position information of the parked vehicle.
5) Safety warning unit
The safety warning unit consists of a distance measuring radar module, a red flashing warning module, a voice broadcasting module, an automatic anti-collision fence and a PLC (programmable logic controller) module; the distance measuring radar module, the red flashing warning module, the voice broadcasting module and the PLC module are in communication connection and information interaction through a motherboard bus; the automatic anti-collision fence is in communication connection and information interaction with the PLC through the wireless short-range communication assembly;
the distance measuring radar module is used for detecting whether a moving object exists around the vehicle to be driven away, and the distance, the direction and the speed of the moving object; the red flashing warning module is used for warning that vehicles are ready to drive away from the roadside parking space in a red light flashing mode, prompting surrounding vehicles or pedestrians to pay attention to avoidance, and preventing traffic accidents; the voice broadcasting module is used for warning the roadside parking space that vehicles are ready to drive away in a voice broadcasting mode, prompting surrounding vehicles or pedestrians to pay attention to avoidance, deceleration and slow running, and preventing traffic accidents; the automatic anti-collision fence is used for automatically extending out of the road turn railings laterally, preventing vehicles from approaching the vehicles which are ready to leave the road side parking spaces and preventing rear-end collision and collision traffic accidents with the vehicles; the PLC module is used for managing and controlling information of the distance measuring radar module, the red flashing warning module and the voice broadcasting module, and triggering the automatic anti-collision fence through the wireless short-range communication assembly.
Drawings
FIG. 1: a structure diagram of a roadside parking management control device system of an urban road;
FIG. 2: provided is a schematic diagram of an installation position of an urban road roadside parking management and control device.
Detailed Description
The utility model relates to an urban road roadside parking management and control device, which mainly comprises a central management and control unit, a parking information unit, a transmission pipeline unit, a vehicle positioning unit and a safety warning unit, as shown in figures 1 and 2; the device drives the roadside parking vehicles into the parking spaces in a parallel mode with the road and pushes out the parking vehicles rapidly in a lateral direction, so that the roadside parking vehicles are driven away from the roadside parking spaces in a parallel mode with the road, the time for the roadside parking vehicles to drive into and out of the roadside parking spaces is shortened, the vehicle control steps for the roadside parking vehicles to drive into and out of the roadside parking spaces are reduced, the traffic safety of the roadside parking vehicles to drive into and out of the roadside parking spaces is improved, and the traffic efficiency of road traffic is improved.
A city road roadside parking management and control device, the concrete flow of its work is:
1) central management and control unit
The central control unit consists of a microcontroller module, a mobile communication module, a motherboard bus, a PCB (printed circuit board) backboard and a power module; the microcontroller module, the mobile communication module, the motherboard bus and the power supply module are embedded in the PCB backboard; the microcontroller module and the mobile communication module are in communication connection and information interaction through a motherboard bus;
the microcontroller module is used for collecting, analyzing, processing, coordinating and controlling information of all functional units in the roadside parking management and control device; the mobile communication module is used for transmitting the parking state information, the running state information and the running log information of the roadside parking management and control device to the remote traffic information center; the motherboard bus is used for carrying out communication connection and information interaction with each functional unit in the roadside parking management and control device; the PCB back plate is used for fixing electronic components in the roadside parking management and control device and providing a power supply connection circuit; the power supply module is used for providing a stabilized voltage supply for each functional unit and component in the roadside parking management and control device; the specific working steps are as follows:
step 1: the central management and control unit acquires parking state information Park _ PK in the parking information unit in real time, wherein the Park _ PK comprises the number of roadside parking positions, the number of occupied parking positions, the number of idle parking positions, the total number of idle parking positions and the current time; the central control unit checks whether the Park _ PK parking queue has empty parking space intervals, and if the empty parking space intervals exist, the central control unit sends a queue rearrangement instruction Quen _ RePK and parking state information Park _ PK to the transmission pipeline unit;
step 2: the central control unit receives updated Park _ PK information sent by the transmission pipeline unit and writes parking queue rearrangement information into a parking event library Park _ EventData; transmitting the Park _ PK information before and after updating to a remote traffic information center through a mobile communication module at a time interval T _ GAP;
step 3: after the central management and control unit receives the parking space occupation information ID _ OCC, the central management and control unit generates a two-dimensional code Park _ QRCode according to the roadside parking space number Park _ PID and the parking start time information Park _ PTime occupied by parking, packs the roadside parking space number, the parking start time and the Park _ QRCode occupied by parking into Print _ Request information, and sends a printing Request to a thermal sensitive micro printer of the vehicle positioning unit;
step 4: when the central control unit receives the two-dimensional code Scan _ QRCode sent by the vehicle positioning unit, the central control unit analyzes the information of the Scan _ QRCode, verifies the safety and the validity of the information of the Scan _ QRCode, extracts the roadside parking space number Park _ PID and the parking start time Park _ PTime after the verification is passed, retrieves the parking event library Park _ EventData in the central control unit according to the Park _ PID and the Park _ PTime, acquires the moving condition of the vehicle parked in the Park _ PID in the Park queue by the Park _ PTime, extracts the current parking space number Park _ NID of the parked vehicle, and sends the Park _ NID to the miniature LCD display module of the vehicle positioning unit;
step 5: the central management and control unit sends the Park _ NID to the safety warning unit and informs the safety warning unit of vehicle preparation driving-away information PK _ ToGo on the Park _ NID;
step 6: when the central control unit receives the driving-away Ready signal DEPT _ Ready sent by the safety warning unit, the central control unit sends a lateral parking vehicle pushing instruction DEPT _ PUSH to the transmission pipeline unit;
step 7: the central control unit sends the running state information DV _ Status and the running event Log information DV _ Log of the roadside parking control device to the remote traffic information center at a time interval T _ GAP.
2) Parking information unit
The parking information unit mainly comprises an LCD display module, a pressure sensor module and a PLC controller module; the LCD display module is in communication connection and information interaction with the PLC through a motherboard bus; the pressure sensor module is in communication connection and information interaction with the PLC in a wireless short-range communication mode;
the LCD display module is used for displaying the number of the remaining idle roadside parking spots in the current roadside parking management and control device; the pressure sensor module consists of a pressure sensor assembly and a wireless short-range communication assembly, wherein the pressure sensor assembly is used for sensing the pressure value of the roadside parking space so as to detect whether a vehicle is parked in the parking space and send parking state information in the roadside parking space to the PLC module through the wireless short-range communication assembly; the PLC module counts the number of idle parking positions in the roadside parking management and control device and sends the information of the number of idle parking positions to the LCD display module for display; the specific working steps are as follows:
step 1: when the pressure value Pa (t) detected by the pressure sensor assembly is greater than or equal to Pa _ Car, the PLC module starts a parking Event Park _ Event and records the time t from the beginning of parking0At the moment t when the driver and passengers of the parked vehicle leave allstopThe series of pressure change values Pa _ Event ═ Pa (t) for this period0)，…，Pa(tstop)}；
Wherein: pa (t) is the pressure value detected at time t; pa _ Car is the critical pressure value of the vehicle parking;
step 2: the PLC module extracts a maximum pressure value maxPa and a minimum pressure value minPa from the Pa _ Event and calculates a pressure change difference value delta Pa of the parking vehicle;
maxPa＝max{Pa(t0)，…，Pa(tstop)}
minPa＝min{Pa(t0)，…，Pa(tstop)}
ΔPa＝maxPa-minPa
step 3: the PLC module transmits maxPa, minPa, delta Pa and Pa _ Event to a central control unit, the central control unit inputs the pressure change value number N _ Pa in the maxPa, minPa, delta Pa, Pa _ Event and Pa _ Event into a trained multi-layer perceptron artificial neural network MP _ ANN, trains, learns and outputs the pressure value Driver _ Pa of a Driver of the parking vehicle, and outputs the time t when the Driver and the passenger of the parking vehicle leave the parking vehiclestopRecording the parking event data as the vehicle parking starting time Park _ PTime and the parking space number Park _ PID of the vehicle parking into a parking event library Park _ EventData;
step 4: the PLC module confirms that the Park _ PID is occupied by parking, packs the Park _ PID and the Park _ PTime into parking space occupation information ID _ OCC and sends the parking space occupation information ID _ OCC to the central management and control unit; meanwhile, the total number information Park _ NUM of the remaining idle parking spaces is changed, and the Park _ NUM is sent to an LCD display module;
step 5: the PLC module packs the roadside parking digits, the occupied parking space numbers, the free parking space numbers, the total number of parking spaces, the total number of free parking spaces and the current time in the roadside parking management and control device into parking state information Park _ PK, and sends the Park _ PK to the central management and control unit;
step 6: and the LCD display module receives the Park _ NUM information sent by the PLC module, converts the digital signals into analog signals, and displays the remaining parking digits in the LCD display module by characters.
3) Transfer pipeline unit
The transmission pipeline unit mainly comprises a transverse transmission module, a longitudinal transmission module, a transverse transmission motor, a longitudinal telescopic thruster and a PLC (programmable logic controller) module; the transverse transmission module is connected with a transverse transmission motor through a transmission crawler; the longitudinal transmission module is connected with the longitudinal telescopic thruster through a hydraulic connecting pipe; the transverse transmission motor and the longitudinal telescopic thruster are in communication connection and information interaction with the PLC through an RS232 serial port;
the transverse transmission module is used for queuing the parking vehicles on the roadside parking spaces at intervals without parking spaces; the longitudinal transmission module is used for rapidly pushing out the parking vehicles on the roadside parking spaces laterally so that the parking vehicles can rapidly drive out of the roadside parking spaces in a road parallel mode; the transverse transmission motor and the longitudinal telescopic thruster are respectively used for providing transmission power for the transverse transmission module and the longitudinal transmission module; the PLC module is used for positioning and controlling the transmission power output position, the starting time and the closing time of the transverse transmission motor and the longitudinal telescopic thruster; the specific working steps are as follows:
step 1: when a PLC (programmable logic controller) module in a transmission pipeline unit receives a queue rearrangement instruction Quen _ RePK and parking state information Park _ PK sent by a central control unit; the PLC locates the number EPT _ PID of the parking space at the interval of the empty parking spaces in the queue according to the parking state information Park _ PK information, and sequentially starts the EPT _ PID and the transverse transmission module and the transmission motor behind the EPT _ PID, so that the parking vehicles behind the EPT _ PID all move forward by one parking space until the idle parking space is kept at the tail end of the transmission pipeline;
step 2: a PLC in the transmission pipeline unit updates parking state information Park _ PK and sends the updated Park _ PK to a central control unit;
step 3: when a PLC in the transmission pipeline unit receives a lateral PUSH-out parking vehicle instruction DEPT _ PUSH and a PUSH-out parking space number PUSH _ PID sent by the central management and control unit, the PLC positions a longitudinal transmission module where a PUSH-out vehicle is located, starts a telescopic thruster and pushes out a roadside parking vehicle; meanwhile, PUSH _ GO information is sent to a safety warning unit, and the safety warning unit is informed to tell a driver of a vehicle away from the road in a way of being parallel to the road in a voice mode and to rapidly drive away the vehicle;
step 4: when the pressure on the parking space number PUSH _ PID is detected to be relieved, the PLC in the transmission pipeline unit quickly resets the retractable thruster, informs the parking information unit that the PUSH _ PID is in an idle state, and updates Park _ PK information by the parking information unit.
4) Vehicle positioning unit
The vehicle positioning unit consists of a thermal sensitive micro printer, a thermal sensitive scanner and a micro LCD display module; the thermal sensitive micro printer, the thermal sensitive scanner and the micro LCD display module are in communication connection and information interaction with the central control unit through a motherboard bus;
the thermal sensitive micro printer is used for printing a parking receipt of a current parking vehicle, and parking comprises a parking position, parking time and a two-dimensional code comprising information of the parking position and the parking time; the heat-sensitive scanner is used for scanning the two-dimensional code on the parking receipt and transmitting the two-dimensional code to the central control unit through the motherboard bus, and the central control unit analyzes and verifies the two-dimensional code, retrieves the current parking position of the vehicle corresponding to the two-dimensional code and returns the retrieval result to the miniature LCD display module of the vehicle positioning unit; the miniature LCD display module displays the current parking position information of the parked vehicle; the specific working steps are as follows:
step 1: after the thermal miniature printer receives Print _ Request printing Request information sent by a central control unit, the thermal miniature printer prints Park _ PID, Park _ PTime and Park _ QRCode information in the Print _ Request on a paper sheet to form a parking receipt;
step 2: when a parking receipt appears in front of the thermosensitive scanner, the thermosensitive scanner scans the two-dimensional code in the receipt to form Scan _ QRCode information and sends the Scan _ QRCode information to the central control unit;
step 3: when the micro LCD display module receives the current parking space number Park _ NID of the parking vehicle analyzed and retrieved by the central control unit in the Scan _ QRCode, the micro LCD display module converts the Park _ NID information into analog signal information, and displays the parking space number information on the micro LCD panel so as to inform the driver of the vehicle away from the parking space of the current position of the parking vehicle.
5) Safety warning unit
The safety warning unit consists of a distance measuring radar module, a red flashing warning module, a voice broadcasting module, an automatic anti-collision fence and a PLC (programmable logic controller) module; the distance measuring radar module, the red flashing warning module, the voice broadcasting module and the PLC module are in communication connection and information interaction through a motherboard bus; the automatic anti-collision fence is in communication connection and information interaction with the PLC through the wireless short-range communication assembly;
the distance measuring radar module is used for detecting whether a moving object exists around the vehicle to be driven away, and the distance, the direction and the speed of the moving object; the red flashing warning module is used for warning that vehicles are ready to drive away from the roadside parking space in a red light flashing mode, prompting surrounding vehicles or pedestrians to pay attention to avoidance, and preventing traffic accidents; the voice broadcasting module is used for warning the roadside parking space that vehicles are ready to drive away in a voice broadcasting mode, prompting surrounding vehicles or pedestrians to pay attention to avoidance, deceleration and slow running, and preventing traffic accidents; the automatic anti-collision fence is used for automatically extending out of the road turn railings laterally, preventing vehicles from approaching the vehicles which are ready to leave the road side parking spaces and preventing rear-end collision and collision traffic accidents with the vehicles; the PLC module is used for managing and controlling information of the distance measuring radar module, the red flashing warning module and the voice broadcasting module and triggering the automatic anti-collision fence through the wireless short-range communication assembly; the specific working steps are as follows:
step 1: when a PLC module in a safety warning unit receives PK _ ToGo information that a vehicle is ready to drive away from a Park _ NID and sent by a central control unit, the PLC module in the safety warning unit acquires a pressure value on the Park _ NID from a pressure sensor module of a parking information unit in real time, starts a drive-away Event DEPT _ Event when the pressure value on the Park _ NID has a first jump mutation, and records a drive-away Event t from the first jump mutationbAt the moment t when the drivers and passengers of the driving-off vehicles all enter the driving-off vehicles to form a low-fluctuation relative stable pressure value stPastThe series of pressure change values GO _ Event ═ Pa (t) for this periodb)，…，Pa(tst)}；
Wherein: pa (t)b) Is tbA pressure value detected at a moment; pa (t)st) Is tstA pressure value detected at a moment;
step 2: a PLC (programmable logic controller) module in the safety warning unit extracts a maximum pressure value maxGoPa and a minimum pressure value minGoPa from the GO _ Event and calculates a pressure change difference value delta GoPa of the vehicle away from the vehicle;
maxGoPa＝max{Pa(tb)，…，Pa(tst)}
minGoPa＝min{Pa(tb)，…，Pa(tst)}
ΔGoPa＝maxGoPa-minGoPa
wherein M _ GoPa is the number of pressure change values in GO _ Event;
is a function of the pressure change value number M _ GoPa and the pressure change difference value Delta GoPa of the vehicle leaving;
step 3: a PLC (programmable logic controller) module in the safety warning unit transmits maxGoPa, minGoPa, delta GoPa, stPa and GO _ Event to a central control unit, the central control unit inputs maxGoPa, minGoPa, delta GoPa, stPa, GO _ Event and a pressure value Driver _ Pa of the vehicle Driver obtained in a parking stage into a trained Bayesian learning network BN _ DL, and the Driver _ Ready of the vehicle Driver in a Driver seat is trained and learned and output;
step 4: after a PLC (programmable logic controller) module in the safety warning unit receives Driver _ Ready information sent by a central control unit, the PLC module starts a distance measuring radar module, the distance measuring radar module starts to scan the periphery of a Park _ NID parking space, and starts a red flashing warning module to prompt that a vehicle is Ready to drive away from the Park _ NID in a red light flashing mode, so that the vehicle and a pedestrian are reminded of avoiding;
step 5: the method comprises the steps that a ranging radar module obtains the motion speed Vel _ Move, the distance Dis _ Move, the coverage area Sid _ Move and the direction Lbs _ Move of a moving object around;
step5.1: if Sid _ Move is less than or equal to Person _ Sid and Vel _ Move is less than or equal to Person _ Vel, determining that the moving object is a pedestrian; if the Lbs _ Move is positioned on the road in front of the Park _ NID, a PLC (programmable logic controller) module in the safety warning unit starts a voice broadcasting module to broadcast 'notice safety and please walk a pedestrian road' by voice; if the Lbs _ Move is positioned on a road behind the Park _ NID, a PLC (programmable logic controller) module in the safety warning unit starts a voice broadcasting module to broadcast 'a vehicle drives out and please pay attention to a safe and pedestrian road';
wherein: the Person _ Sid is the maximum lateral area of the pedestrian, and the Person _ Vel is the maximum walking speed of the pedestrian;
step5.2: if the Sid _ Move is not less than Car _ Sid and the Vel _ Move is not less than Car _ Vel, determining that the moving object is a vehicle; if the Lbs _ Move is positioned on the road behind the Park _ NID and the Dis _ Move is not more than Safe _ Dis, a PLC (programmable logic controller) module in the safety warning unit starts a voice broadcasting module to broadcast the voice, namely, a vehicle is driven out and a driver is required to quickly drive away! "; if the Lbs _ Move is positioned on a road behind the Park _ NID and the Dis _ Move is larger than Safe _ Dis, a PLC (programmable logic controller) module in the safety warning unit starts an automatic protective guard to enable the automatic protective guard to automatically pop out a rail turn; simultaneously, the voice broadcasting module is started, the voice broadcasting' please slow down, the front has the vehicle to drive out! ";
wherein: car _ Sid is the minimum lateral area of the vehicle, Car _ Vel is the minimum driving speed of the vehicle, and Safe _ Dis is the critical distance for the vehicle to be safely parked;
step 6: when the PLC module starts the automatic guard railing, the PLC sends a driving-off Ready signal DEPT _ Ready to the central control unit so that the central control unit informs the transmission pipeline to quickly push out the parking vehicle.
Claims (1)
1. The utility model provides an urban road roadside parking management and control device which characterized in that: the device mainly comprises a central control unit, a parking information unit, a transmission pipeline unit, a vehicle positioning unit and a safety warning unit; wherein: (1) the central control unit consists of a microcontroller module, a mobile communication module, a motherboard bus, a PCB (printed circuit board) backboard and a power module; the microcontroller module, the mobile communication module, the motherboard bus and the power supply module are embedded in the PCB backboard; the microcontroller module and the mobile communication module are in communication connection and information interaction through a motherboard bus; (2) the parking information unit mainly comprises an LCD display module, a pressure sensor module and a PLC controller module; the LCD display module is in communication connection and information interaction with the PLC through a motherboard bus; the pressure sensor module is in communication connection and information interaction with the PLC in a wireless short-range communication mode; (3) the transmission pipeline unit mainly comprises a transverse transmission module, a longitudinal transmission module, a transverse transmission motor, a longitudinal telescopic thruster and a PLC (programmable logic controller) module; the transverse transmission module is connected with a transverse transmission motor through a transmission crawler; the longitudinal transmission module is connected with the longitudinal telescopic thruster through a hydraulic connecting pipe; the transverse transmission motor and the longitudinal telescopic thruster are in communication connection and information interaction with the PLC through an RS232 serial port; (4) the vehicle positioning unit consists of a thermal sensitive micro printer, a thermal sensitive scanner and a micro LCD display module; the thermal sensitive micro printer, the thermal sensitive scanner and the micro LCD display module are in communication connection and information interaction with the central control unit through a motherboard bus; (5) the safety warning unit consists of a distance measuring radar module, a red flashing warning module, a voice broadcasting module, an automatic anti-collision fence and a PLC (programmable logic controller) module; the distance measuring radar module, the red flashing warning module, the voice broadcasting module and the PLC module are in communication connection and information interaction through a motherboard bus; the automatic anti-collision fence is in communication connection and information interaction with the PLC through the wireless short-range communication assembly.
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| CN111833463A (en) * | 2020-06-20 | 2020-10-27 | 宁波工程学院 | Parking lot electronic toll collection method and system and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111833463A (en) * | 2020-06-20 | 2020-10-27 | 宁波工程学院 | Parking lot electronic toll collection method and system and storage medium |
| CN111833463B (en) * | 2020-06-20 | 2021-12-14 | 宁波工程学院 | Parking lot electronic toll collection method and system and storage medium |
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