CN115019540B - Parking guidance projection display system for urban parking lot - Google Patents
Parking guidance projection display system for urban parking lot Download PDFInfo
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- CN115019540B CN115019540B CN202111650126.XA CN202111650126A CN115019540B CN 115019540 B CN115019540 B CN 115019540B CN 202111650126 A CN202111650126 A CN 202111650126A CN 115019540 B CN115019540 B CN 115019540B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/146—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas where the parking area is a limited parking space, e.g. parking garage, restricted space
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/142—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/148—Management of a network of parking areas
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application belongs to the technical field of parking guidance of parking lots, in particular to a projection display system for guidance of parking lots in cities, which comprises a central control module, an outdoor guiding module, a guiding module and a parking space detection module, wherein the central control module is positioned in a parking lot machine room, and is used for collecting and processing data of parking space information of the whole parking lot and feeding back processing results; through setting up the guide module, the guide module is through showing the planning of direction signal inducing current vehicle according to central processing module to idle parking stall and going to the idle parking stall that central processing module reserved until the vehicle is driven into, realizes that the vehicle in the parking area is fast and orderly to drive into the parking stall, shortens the vehicle from entering underground parking area to going to the time spent between the idle parking stall to improve the convenient degree that the vehicle was parked after entering underground parking area, and then improve the parking efficiency of vehicle in the parking area.
Description
Technical Field
The application belongs to the technical field of parking guidance of parking lots, and particularly relates to a projection display system for guidance of parking in an urban parking lot.
Background
With the rapid increase in the amount of car maintenance, the contradiction between urban cars and parking spaces is also increasing. In cities with small size and gold, underground parking lots and the like occupy less space, and in-situ parking facilities with large capacity become a main means for relieving urban parking pressure. However, most of the parking lots are still in the original manual management stage, and the parking lots are greatly plagued to the car owners needing to park or operators of the parking lots.
Along with the popularization of network intellectualization, underground parking lots widely induce vehicle owners to enter the parking lots to park in a mode of parking guidance projection display, parking space change data in the parking lots are transmitted by a parking guidance system through a wireless public communication network and are processed through a parking guidance control system to generate data corresponding to the vacant berths, and the corresponding vacant berth data is displayed by a wireless communication network to reach corresponding information display cards, so that the vehicle owners are induced to park in the parking lots;
however, under the condition that the traffic flow of the urban underground parking lot is large, after vehicles enter the parking lot and are guided to the area with the vacant parking places through the display board, due to insufficient illumination of the underground parking lot, partial vehicle owners with poor eyesight cannot quickly find the parking places and enter the parking places to park the vehicles, the vehicles can only flow out of order in the area appointed by the display board to find the vacant parking places, the time spent by the vehicles from entering the underground parking lot to driving to the vacant parking places is prolonged, the vehicles are caused to run on roads in the parking lot for a long time due to the fact that the parking places are found, the vehicles on the roads in the parking lot are increased, then traffic jam in the underground parking lot is caused, the convenience degree of parking after the vehicles enter the underground parking lot is reduced, and accordingly the parking efficiency of the vehicles in the parking lot is affected.
In view of the above, the present application provides a parking guidance projection display system for an urban parking lot, which solves the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the application provides a parking guidance projection display system for an urban parking lot, which solves the problems that vehicles on roads in the parking lot are increased and traffic jam in the underground parking lot is caused by that vehicles run on the roads in the parking lot for a long time due to the fact that the parking space is searched under the condition of large traffic flow of the urban underground parking lot.
The technical scheme adopted for solving the technical problems is as follows: the application relates to a parking guidance projection display system of an urban parking lot, which comprises:
the central control module is positioned in the parking lot machine room and is used for acquiring and processing the parking space information of the whole parking lot and feeding back the processing result;
the outdoor module comprises a camera and an outdoor guide screen, the outdoor guide screen is arranged at the entrance and exit position of the parking lot, the camera is arranged at the position below the outdoor guide screen, and the outdoor guide screen is used for receiving the parking space information sent by the central control module and displaying the number of the parking spaces in the parking lot in real time in a text mode;
the guiding module is arranged in the parking lot, and is used for reflecting the current idle parking space direction of the road section area where the vehicle is driven in real time and guiding the vehicle to the appointed idle parking space in detail;
the parking space detection modules are arranged on each parking space, collect real-time vehicle data of the parking spaces and feed the vehicle data back to the central control module.
Preferably, the guiding module includes:
the direction indicator lamps are arranged at the positions of all the intersections in the parking lot;
the wave frequency vehicle detector is arranged on one side of the direction indicator lamp, facing to a road of the parking lot, and is used for emitting continuous low-power modulated microwaves in a fan-shaped area of a lane turnout in the parking lot, leaving a long projection on a road surface and measuring and calculating the number of vehicles entering the turnout according to echoes returned by detected vehicles;
the LORA wireless control module is used for wirelessly transmitting the data signals to the central control module through a LORA wireless spread spectrum technology, and the wave frequency vehicle detector is used for transmitting the vehicle number signals to the LORA wireless control module through RS-232;
the intelligent signal control machine is arranged in the direction indicator lamp, the central control module is connected with the pairing of the vehicle quantity signals transmitted by the LORA wireless control module and the idle parking space data fed back by the parking space detection module, the paired data signals are fed back to the LORA wireless control module, and the LORA wireless control module controls the direction indicator lamp to guide the vehicle to stop to the idle parking space appointed by the central control module through the intelligent signal control machine.
Preferably, an early warning module is arranged in the intelligent signal controller, and after the wave frequency vehicle detector of the detection branch circuit monitors whether the parking lot branch circuit has a passing vehicle, the early warning module controls the direction indicator lamp to early warn in advance for the main road vehicle by controlling the intelligent signal controller.
Preferably, the guiding module further comprises wireless broadband ad hoc network equipment, the wireless broadband ad hoc network equipment is uniformly distributed in the parking lot, and the wireless broadband ad hoc network equipment is used for providing network signal transmission of the parking lot.
Preferably, the direction indicator light is composed of a left turn light, a right turn light and a straight light on one side of the vehicle entering the parking lot, and the left turn light, the right turn light and the straight light are used for showing whether an idle parking space exists in the left direction, the right direction and the front of the parking lot to a vehicle owner;
the turn signal appearance is set to be consistent with traffic lights.
Preferably, the parking space detection module includes:
the ultrasonic parking space detector is arranged at the position right above each parking space, and is used for collecting real-time parking space parking information and feeding back the collected information through RS-485 communication;
and the node controller is used for circularly detecting parking space parking information of the governed ultrasonic parking space detector and uploading the parking space parking information to the central control module through a wireless network.
Preferably, the system further comprises a network adapter, wherein the network adapter is used for analyzing the data flowing between the LORA wireless control module and the central control module to obtain the information of the number of vehicles detected by the wave frequency vehicle detectors at each exit of the parking lot, and sending control decision for controlling the vehicle to exit from the parking lot to the LORA wireless control module according to the information of the number of vehicles.
The beneficial effects of the application are as follows:
1. according to the urban parking lot parking guidance projection display system, the guidance module is arranged, the guidance module guides the current vehicle to travel to the idle parking space according to the planning of the central processing module through the display direction signal until the vehicle enters the idle parking space reserved by the central processing module, so that the vehicle in the parking lot can quickly and orderly enter the parking space, the time spent by the vehicle from entering the underground parking lot to traveling to the idle parking space is shortened, the vehicle is prevented from traveling on a road in the parking lot for a long time due to the fact that the vehicle is searched for the parking space, the number of vehicles on the road in the parking lot is increased, and the parking lot is blocked, so that the convenience of parking after the vehicle enters the underground parking lot is improved, and the parking efficiency of the vehicle in the parking lot is further improved.
2. According to the parking guidance projection display system for the urban parking lot, the early warning module is arranged, when vehicles on the branch road need to pass through or enter the main road to leave the parking lot, the intelligent signal controller receives the early warning signal and then processes the early warning signal and controls the direction indicator lamp facing the main road to display red, so that early warning is carried out on the vehicles on the main road when the vehicles on the branch road pass through the main road, the safety of the vehicles running in the parking lot is improved, the risk of traffic jam in the parking lot due to collision in the running process of the vehicles is reduced, the running smoothness of the vehicles in the parking lot is improved, the vehicles in the parking lot can run quickly and orderly, and the time spent from entering the underground parking lot to running to an idle parking space is further shortened.
Drawings
The application is further described below with reference to the accompanying drawings.
FIG. 1 is a flow chart of the system of the present application;
FIG. 2 is a schematic diagram of the operation of the guidance module of the present application;
fig. 3 is a schematic working diagram of the parking space detection module in the present application.
Detailed Description
The application is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the application easy to understand.
As shown in fig. 1 to 3, the parking guidance projection display system for an urban parking lot according to the present application includes:
the central control module is positioned in the parking lot machine room and is used for acquiring and processing the parking space information of the whole parking lot and feeding back the processing result;
the outdoor module comprises a camera and an outdoor guide screen, the outdoor guide screen is arranged at the entrance and exit position of the parking lot, the camera is arranged at the position below the outdoor guide screen, and the outdoor guide screen is used for receiving the parking space information sent by the central control module and displaying the number of the parking spaces in the parking lot in real time in a text mode;
the guiding module is arranged in the parking lot, and is used for reflecting the current idle parking space direction of the road section area where the vehicle is driven in real time and guiding the vehicle to the appointed idle parking space in detail;
the parking space detection modules are arranged on each parking space, collect real-time vehicle data of the parking spaces and feed the vehicle data back to the central control module.
When the vehicle is parked in a large urban underground parking lot, a vehicle owner can select whether to drive into the parking lot according to the parking space condition of the underground parking lot displayed by an outdoor guide screen, a camera in an outdoor module photographs and records the vehicle after the vehicle is driven into the underground parking lot, then the vehicle is driven into the underground parking lot, a parking space detection module collects real-time idle parking space data in the parking lot and feeds back the collected data to a central processing module through RS-485 communication, the RS-485 communication is a conventional master-slave communication mode, and the central processing module processes the idle parking space data collected by the parking space detection module and feeds back the idle parking space data to the outdoor guide screen to display the idle parking space information, so that the vehicle owner can conveniently know the idle parking space information in the parking lot in real time and can conveniently enter the parking lot for parking; when the vehicles approach the guiding module, the guiding module detects the number of the vehicles on the main road and sends information to the central processing module in an RS-232 communication mode, the parking space detection module feeds back the current idle parking space information to the central processing module in an RS-485 communication mode, the central processing module pairs the data sent by the guiding module with the data fed back by the parking space detection module, so that the vehicles are matched with the specific parking space information of the vehicles which are currently driven to approach the guiding module in a parking distance from near to far, the central processing module sends the specific parking space information to the guiding module in an RS-485 communication mode, and the guiding module induces the current vehicles to drive to the idle parking space according to the planning of the central processing module until the vehicles are driven to the idle parking space preset by the central processing module, so that the vehicles in the parking space can be driven to the parking space rapidly and orderly, the time spent between the vehicles entering the underground parking space and the idle parking space is shortened, the vehicles can be prevented from being driven to the parking space in a long time by searching, the vehicle is prevented from being driven to the parking space in the parking space of the underground parking space, the vehicle is increased, and the parking space is convenient and fast, and the parking efficiency is improved, and the parking space is increased; when a vehicle is driven into a parking space, the parking space detection module senses that the detected parking space is parked into the vehicle, the parking space detection module collects parking information of the parking space and feeds back the parking information to the central processing module through RS-485 communication, and the central processing module screens out the parking space when the central processing module receives the information and subsequently paired vehicles park data; when a parked vehicle leaves the parking lot from a parking space, the parking space detection module senses that the current parking space is free of vehicles to park, so that information of the idle parking space is sent to the central processing module, and the central processing module performs vehicle parking pairing.
As one embodiment of the present application, the guidance module includes:
the direction indicator lamps are arranged at the positions of all the intersections in the parking lot;
the wave frequency vehicle detector is arranged on one side of the direction indicator lamp, facing to a road of the parking lot, and is used for emitting continuous low-power modulated microwaves in a fan-shaped area of a lane turnout in the parking lot, leaving a long projection on a road surface and measuring and calculating the number of vehicles entering the turnout according to echoes returned by detected vehicles;
the LORA wireless control module is used for wirelessly transmitting the data signals to the central control module through a LORA wireless spread spectrum technology, and the wave frequency vehicle detector is used for transmitting the vehicle number signals to the LORA wireless control module through RS-232;
the intelligent signal control machine is arranged in the direction indicator lamp, the central control module is connected with the pairing of the vehicle quantity signals transmitted by the LORA wireless control module and the idle parking space data fed back by the parking space detection module, the paired data signals are fed back to the LORA wireless control module, and the LORA wireless control module controls the direction indicator lamp to guide the vehicle to stop to the idle parking space appointed by the central control module through the intelligent signal control machine.
When the vehicle is close to the direction indicator, the wave frequency vehicle detector on the direction indicator detects the number of vehicles on the main road and sends information to the LORA wireless control module through an RS-232 communication mode, the LORA wireless control module wirelessly transmits data signals to the central control module through a LORA wireless spread spectrum technology, the parking space detection module feeds back the current idle parking space information to the central processing module through RS-485 communication, the central processing module pairs the data sent by the LORA wireless control module with the data fed back by the parking space detection module, so that the vehicle specific parking space information of the vehicle which is currently driven to the guide module is matched with the parking space information from the near to the far parking distance, the central processing module sends the specific parking space information to the LORA wireless control module, the LORA wireless control module sends control information to the intelligent signal control machine through the LORA wireless spread spectrum technology, the intelligent signal control machine controls the direction indicator to display the idle running direction according to the direction displayed by the direction indicator, the current vehicle spends in the direction indicator, and the idle running direction indicator is fed back to the central processing module, the idle running direction information is required by the central processing module, the vehicle is driven to the parking space information is shortened, the vehicle is driven to the parking space position in the parking space is further, and the parking space efficiency is improved, and the vehicle is driven to the parking space is more convenient and the parking space is more convenient to enter the parking space.
As one implementation mode of the application, an early warning module is arranged in the intelligent signal controller, and after the wave frequency vehicle detector of the detection branch circuit monitors whether the parking lot branch circuit has a passing vehicle, the early warning module controls the intelligent signal controller to control the direction indicator lamp to early warn the main road vehicle in advance.
When the vehicle-mounted intelligent parking lot traffic warning system is used, the warning module can be an acousto-optic scintillation alarm and signal controller combined assembly, when vehicles on the branch road need to pass through or enter the main road to leave the parking lot, the wave frequency vehicle detector of the detection branch road detects that the vehicles approach, the wave frequency vehicle detector of the detection branch road sends information of the approach of the vehicles on the branch road to the warning module through RS-232, the warning module sends warning signals to the intelligent signal controller through RS-232, the intelligent signal controller processes the warning signals after receiving the warning signals and controls the direction indicator lamp facing the main road to display red, the vehicles on the main road stop running, the early warning of the vehicles on the main road is realized when the vehicles on the branch road pass through the main road, the safety of the vehicles running in the parking lot is improved, and the warning module starts the acousto-optic scintillation warning lamp after receiving the information of the approach of the vehicles on the branch road, the early warning degree is further increased to the vehicle owners, and the condition that the display state of the direction indicator lamp is ignored due to the fact that the vehicle owners observe the conditions of all parking places under the ground is distracted is avoided; after the vehicles of the branches run, the wave frequency vehicle detector for detecting the branches detects that no vehicles run on the branches and then sends information to the early warning module, the early warning module closes the acousto-optic scintillation alarm and sends a cancellation early warning signal to the intelligent signal controller, and the intelligent signal controller controls the direction indicator lamp to display green after receiving the signal to indicate that the vehicles of the main road normally run.
As an implementation mode of the application, the guiding module further comprises wireless broadband ad hoc network equipment, the wireless broadband ad hoc network equipment is uniformly distributed in the parking lot, and the wireless broadband ad hoc network equipment is used for providing network signal transmission of the parking lot.
When in use, the wireless broadband ad hoc network equipment is arranged, the equipment is formed into a network by combining mobile communication and a computer, and the information exchange of the network adopts a packet switching mechanism in the computer network; the wireless broadband ad hoc network equipment is connected with the parking space detection module and the guide module through the ad hoc network of the underground parking lot, a computer in the wireless broadband ad hoc network equipment is connected with the central control module, the fact that the parking space detection module and the guide module do not need to use a large number of data lines to carry out data transmission on the central control module is achieved, the convenience degree of data transmission between the parking space detection module and the guide module and the central control module is improved, the convenience degree of the central control module for controlling the parking space detection module and the guide module is improved, network signals in the underground parking lot are prevented from being weak, and network data transmission between the parking space detection module and the guide module and the central control module is prevented from being influenced.
As one implementation mode of the application, one side of the direction indicator lamp, which faces to the parking lot, consists of a left turn lamp, a right turn lamp and a straight lamp, wherein the left turn lamp, the right turn lamp and the straight lamp are used for showing whether an idle parking space exists in the left direction, the right direction and the front of the parking lot to an owner;
the turn signal appearance is set to be consistent with traffic lights.
When the vehicle is driven to the guiding module, the direction indicator lamp shows whether the left direction, the right direction and the front direction in the parking lot are free parking spaces or not to the vehicle owner, green represents that the direction is free of the parking spaces, red represents that the direction is free of the parking spaces, the vehicle owner selects the direction according to the guiding of the direction indicator lamp and drives towards the free parking spaces, the vehicle in the parking lot is promoted to drive rapidly and orderly, and the time spent from entering the underground parking lot to driving to the free parking spaces is further shortened; when the outgoing vehicles in the branches are close, the wave frequency vehicle detector for detecting the branches sends detection signals to the early warning module, the early warning module sends early warning signals to the intelligent signal controller, the intelligent signal controller controls the signal indicator lamp to display red fork patterns, the branches are indicated to be penetrated or entered by the vehicles, vehicle owners are reminded to park, safety of the vehicles in the parking lot is improved, and risk of traffic jam in the parking lot due to collision in the vehicle driving process is reduced; through setting up the directional indicator outward appearance unanimous with traffic light for the car owner is more easily observed the directional indicator when the road is driven in the parking area, and the car owner is influenced by driving habit at ordinary times and is complied with the directional indicator in the parking area and inducing, promotes the effect that the vehicle in the parking area was fast and orderly driven, further shortens the vehicle from getting into underground parking area to going to the time spent between idle parking stall.
As one embodiment of the present application, a parking space detection module includes:
the ultrasonic parking space detector is arranged at the position right above each parking space, and is used for collecting real-time parking space parking information and feeding back the collected information through RS-485 communication;
the node controller is used for circularly detecting parking space parking information of the administered ultrasonic parking space detector and uploading the parking space parking information to the central control module through the wireless network.
When a vehicle drives into an idle parking space, the ultrasonic parking space detector acquires information of parking of the vehicle in the parking space through an ultrasonic ranging working principle, and transmits the parking information to the node controller through RS-485 communication, the node controller detects the parking space information of the ultrasonic parking space detector under the jurisdiction and uploads the parking space information to the central control module through a wireless network, and the central control module performs pairing processing on the parking space information and the information transmitted by the guiding module, so that the instantaneity of the parking space information in a parking space is realized, and the convenience degree of parking of the vehicle is improved; after the idle parking space is planned to be parked by the central control module, the parking space is not paired by the central control module, and when no vehicle is parked in the planned parking space within 10 minutes, the node controller sends the planned parking space to the central control module again to be idle state information.
As one implementation mode of the application, the system further comprises a network adapter, wherein the network adapter is used for analyzing the data flowing between the LORA wireless control module and the central control module to obtain the information of the number of vehicles detected by the wave-frequency vehicle detectors at each exit of the parking lot, and sending control decision for controlling the vehicle to exit from the parking lot to the LORA wireless control module according to the information of the number of vehicles.
When the intelligent signal controller is used, in the parking process of the vehicle in the parking lot, the network adapter is used for analyzing the flowing data between the LORA wireless control module and the central control module, analyzing the quantity information of the vehicles detected by the wave frequency vehicle detectors at all exits of the parking lot, comparing the quantity information of the vehicles waiting to be output according to all exits of the parking lot to obtain the exit of the parking lot with smaller quantity of the vehicles waiting to be output, the network adapter is used for sending the exit position with smaller quantity of the vehicles waiting to be output of the current parking lot to the central control module through the wireless broadband ad hoc network, the central control module is used for sending the position planning information to the LORA wireless control module after receiving the position, the LORA wireless control module is used for sending the direction indicator lamp information related to the path planning to the intelligent signal controller, and the intelligent signal controller is used for controlling the change of the direction indicator lamp, for example, the left turn green, the straight green and the right turn green are changed into the left turn red, the straight red and the right turn green, so that the vehicles needing to be driven out of the parking lot are induced to quickly drive the exit with smaller quantity of the vehicles waiting to be output of the parking lot, the avoidance measures in the parking lot are realized, the road is promoted, the road is improved, and the efficiency is prevented from being excessively parked in the parking place.
The specific working procedure is as follows:
when a vehicle parks in a larger urban underground parking lot, a vehicle owner can select whether to drive into the parking lot according to the parking space condition of the underground parking lot displayed by an outdoor guide screen, a camera in an outdoor module photographs and records the vehicle after the vehicle drives into the underground parking lot, then the vehicle drives into the underground parking lot, a parking space detection module collects real-time idle parking space data in the parking lot and feeds back the collected data to a central processing module through RS-485 communication, the central processing module processes the idle parking space data collected by the parking space detection module and feeds back the idle parking space data to the outdoor guide screen to display idle parking space information, so that the vehicle owner can conveniently know the idle parking space information in the parking lot in real time, and the vehicle owner can conveniently park in the parking lot; when the vehicles approach the guiding module, the guiding module detects the number of the vehicles on the main road and sends information to the central processing module in an RS-232 communication mode, the parking space detection module feeds back the current idle parking space information to the central processing module in an RS-485 communication mode, the central processing module pairs the data sent by the guiding module with the data fed back by the parking space detection module, so that the vehicles which are currently driven to the guiding module are matched with the specific parking space information of the vehicles which are close to the guiding module in a near-far parking distance, the central processing module sends the specific parking space information to the guiding module in an RS-485 communication mode, and the guiding module induces the current vehicles to drive to the idle parking spaces in accordance with the planning of the central processing module through a display direction signal until the vehicles are driven to the idle parking spaces preset by the central processing module, and the vehicles in the parking space are driven to the parking space rapidly and orderly; when a vehicle is driven into a parking space, the parking space detection module senses that the detected parking space is parked into the vehicle, the parking space detection module collects parking information of the parking space and feeds back the parking information to the central processing module through RS-485 communication, and the central processing module screens out the parking space when the central processing module receives the information and subsequently paired vehicles park data; when a parked vehicle leaves the parking lot from a parking space, the parking space detection module senses that the current parking space is free of vehicles to park, so that information of the idle parking space is sent to the central processing module, and the central processing module performs vehicle parking pairing.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present application.
The foregoing has shown and described the basic principles, principal features and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (2)
1. A parking guidance projection display system of an urban parking lot is characterized in that: the system includes a first processor configured to receive a signal,
the central control module is positioned in the parking lot machine room and is used for acquiring and processing the parking space information of the whole parking lot and feeding back the processing result;
the outdoor module comprises a camera and an outdoor guide screen, the outdoor guide screen is arranged at the entrance and exit position of the parking lot, the camera is arranged at the position below the outdoor guide screen, and the outdoor guide screen is used for receiving the parking space information sent by the central control module and displaying the number of the parking spaces in the parking lot in real time in a text mode;
the guiding module is arranged in the parking lot, and is used for reflecting the current idle parking space direction of the road section area where the vehicle is driven in real time and guiding the vehicle to the appointed idle parking space in detail;
the parking space detection modules are arranged on each parking space, collect real-time vehicle data of the parking space and feed the vehicle data back to the central control module;
the guide module includes:
the direction indicator lamps are arranged at the positions of each intersection and the traffic lane in the parking lot;
the wave frequency vehicle detector is arranged on one side of the direction indicator lamp, facing to a road of the parking lot, and is used for emitting continuous low-power modulated microwaves in a fan-shaped area of a lane turnout in the parking lot, leaving a long projection on a road surface and measuring and calculating the number of vehicles entering the turnout according to echoes returned by detected vehicles;
the LORA wireless control module is used for wirelessly transmitting the data signals to the central control module through a LORA wireless spread spectrum technology, and the wave frequency vehicle detector is used for transmitting the vehicle number signals to the LORA wireless control module through RS-232;
the intelligent signal controller is arranged in the direction indicator lamp, the central control module is connected with the vehicle quantity signal transmitted by the LORA wireless control module and the idle parking space data fed back by the parking space detection module for pairing, the paired data signal is fed back to the LORA wireless control module, and the LORA wireless control module controls the direction indicator lamp to guide the vehicle to stop to the idle parking space appointed by the central control module through the intelligent signal controller;
the direction indicator lamp is composed of a left turn lamp, a right turn lamp and a straight lamp on one side of the vehicle entering the parking lot, and the left turn lamp, the right turn lamp and the straight lamp are used for showing whether an idle parking space exists in the left direction, the right direction and the front of the vehicle to a vehicle owner;
an early warning module is arranged in the intelligent signal controller, and the early warning module controls the direction indicator lamp to early warn the road vehicle in advance by controlling the intelligent signal controller;
the appearance of the direction indicator lamp is consistent with that of the traffic signal lamp;
the parking stall detection module includes:
the ultrasonic parking space detector is arranged at the position right above each parking space, and is used for collecting real-time parking space parking information and feeding back the collected information through RS-485 communication;
the node controller is used for circularly detecting parking space parking information of the governed ultrasonic parking space detector and uploading the parking space parking information to the central control module through a wireless network;
the system also comprises a network adapter, wherein the network adapter is used for analyzing the data flowing between the LORA wireless control module and the central control module to obtain the information of the number of vehicles detected by the wave frequency vehicle detectors at each exit of the parking lot, and sending control decision for controlling the vehicle to exit from the parking lot to the LORA wireless control module according to the information of the number of vehicles;
when a vehicle is driven into an idle parking space, an ultrasonic parking space detector acquires information of parking of the vehicle in the parking space through an ultrasonic ranging working principle, and sends the parking information to a node controller through RS-485 communication, the node controller detects the parking space information of the ultrasonic parking space detector under the jurisdiction and uploads the parking space information to a central control module through a wireless network, and the central control module performs pairing processing on the parking space information and the information sent by a guiding module, so that the instantaneity of the parking space information in a parking lot is realized, and the convenience degree of parking of the vehicle is improved; after the idle parking space is planned to be parked by the central control module, the parking space is not paired by the central control module, and when no vehicle is parked in the planned parking space within 10 minutes, the node controller sends the planned parking space to the central control module again to be idle state information;
in the parking process of vehicles in a parking lot, as the network adapter contains network data monitoring, the network adapter analyzes data flowing between the LORA wireless control module and the central control module, wave frequency vehicle detectors at all exits of the parking lot are analyzed to obtain vehicle quantity information, parking lot exits with smaller quantity of vehicles waiting for outgoing are obtained by comparing the vehicle quantity information waiting for all exits of the parking lot, the network adapter sends exit positions with smaller quantity of vehicles waiting for outgoing of the current parking lot to the central control module through a wireless broadband ad hoc network, the central control module sends position planning information to the LORA wireless control module after receiving the positions, the LORA wireless control module sends direction indicator lamp information related to path planning to the intelligent signal control module, the intelligent signal control module controls the direction indicator lamp to change, for example, left-turn green, straight-turn green and right-turn green are changed into left-turn red, straight-turn red and right-turn green, so that vehicles needing to drive out of the parking lot rapidly to exit with smaller quantity of vehicles waiting for outgoing of the parking lot are induced, the inner avoidance measures are realized, the inner road clearance measures are promoted, the inner road clearance is improved, and the inner road clearance is avoided, and the inner road clearance is increased;
when a vehicle parks in a larger urban underground parking lot, a vehicle owner can select whether to drive into the parking lot according to the parking space condition of the underground parking lot displayed by an outdoor guide screen, a camera in an outdoor module photographs and records the vehicle after the vehicle drives into the underground parking lot, then the vehicle drives into the underground parking lot, a parking space detection module collects real-time idle parking space data in the parking lot and feeds back the collected data to a central processing module through RS-485 communication, the central processing module processes the idle parking space data collected by the parking space detection module and feeds back the idle parking space data to the outdoor guide screen to display idle parking space information, so that the vehicle owner can conveniently know the idle parking space information in the parking lot in real time, and the vehicle owner can conveniently park in the parking lot; when the vehicles approach the guiding module, the guiding module detects the number of the vehicles on the main road and sends information to the central processing module in an RS-232 communication mode, the parking space detection module feeds back the current idle parking space information to the central processing module in an RS-485 communication mode, the central processing module pairs the data sent by the guiding module with the data fed back by the parking space detection module, so that the vehicles which are currently driven to the guiding module are matched with the specific parking space information of the vehicles which are close to the guiding module in a near-far parking distance, the central processing module sends the specific parking space information to the guiding module in an RS-485 communication mode, and the guiding module induces the current vehicles to drive to the idle parking spaces in accordance with the planning of the central processing module through a display direction signal until the vehicles are driven to the idle parking spaces preset by the central processing module, and the vehicles in the parking space are driven to the parking space rapidly and orderly; when a vehicle is driven into a parking space, the parking space detection module senses that the detected parking space is parked into the vehicle, the parking space detection module collects parking information of the parking space and feeds back the parking information to the central processing module through RS-485 communication, and the central processing module screens out the parking space when the central processing module receives the information and subsequently paired vehicles park data; when a parked vehicle leaves the parking lot from a parking space, the parking space detection module senses that the current parking space is free of vehicles to park, so that information of the idle parking space is sent to the central processing module, and the central processing module performs vehicle parking pairing.
2. The urban parking lot parking guidance projection display system of claim 1, wherein: the guiding module further comprises wireless broadband ad hoc network equipment, the wireless broadband ad hoc network equipment is uniformly distributed in the parking lot, and the wireless broadband ad hoc network equipment is used for providing network signal transmission of the parking lot.
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