CN111383439A - Intelligent operation display system of whole-network-communication school bus - Google Patents
Intelligent operation display system of whole-network-communication school bus Download PDFInfo
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- CN111383439A CN111383439A CN201811638673.4A CN201811638673A CN111383439A CN 111383439 A CN111383439 A CN 111383439A CN 201811638673 A CN201811638673 A CN 201811638673A CN 111383439 A CN111383439 A CN 111383439A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
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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
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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
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The invention discloses an intelligent operation display system of a whole-network-communication school bus, which comprises a background server, a school bus control center, a vehicle-mounted monitoring system, a vehicle-mounted terminal and a mobile terminal, wherein the background server, the school bus control center, the vehicle-mounted monitoring system, the vehicle-mounted terminal and the mobile terminal are communicated with each other through a wireless network, so that the advantages of schools, parents and students are realized by means of a school communication interaction platform, the school positions, the school leaving positions and the on-way positions of the students are obtained selectively and in real time through short messages, GPS positioning and a network platform, the monitoring, the management and the maintenance are realized, the operation route setting, the station setting and the card swiping for the passengers of the school bus are ensured, and the traffic accidents caused by the factors of the excess school bus, the overspeed, the road conditions and the like.
Description
Technical Field
The invention relates to the field of vehicle monitoring operation management, in particular to an intelligent operation display system of a whole-network-communication school bus.
Background
Along with the occurrence and occurrence of various traffic accidents, school bus accidents and accidents of the campus, governments and related education departments pay more and more attention to the safety of coming in and going out of students, and more parents hope to know the time and information of coming in and going out of the campus and taking the school bus of a child every day in real time so as to completely know and master various conditions of the child. The government education department advocates "safe schools". In order to further enhance the traffic safety work and safety education of primary and secondary schools and practically ensure the personal safety of the students in the primary and secondary schools, education departments in various places, like public security traffic management, road transportation management and other departments, develop key regulating actions for the traffic safety of the students in the primary and secondary schools and the children in the primary and secondary schools according to the emergency requirements of the education department and enhance the safety management of school buses. Meanwhile, every school is also in great consideration of the favorable conditions of how schools, parents and students can communicate with the interactive platform of the school by virtue of school communication.
The existing school bus GPS track system data transmission mainly adopts an 2/3G communication mode for data transmission, and due to the fact that the data uplink speed of the 2/3G communication mode is very low, a lot of key data cannot be timely transmitted to a dispatching center, and certain risks exist. The existing school bus GPS track system also has no communication function, so that the school bus GPS track system cannot contact a monitoring center in emergency, and a driver cannot timely deal with the problem to cause serious consequences in some special cases. The existing school bus GPS track system also has a brushless card function, can not distinguish a driver, a guardian and a student through a card swiping system, and timely informs parents of the getting-on and getting-off conditions of the student, so that the parents are relieved.
Disclosure of Invention
The invention aims to upgrade and improve the problems in the prior art and provides an intelligent operation display system of a whole-network communication school bus.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, which comprises a background server, a school bus control center, a vehicle-mounted monitoring system, a vehicle-mounted terminal and a mobile terminal, wherein the background server, the school bus control center, the vehicle-mounted monitoring system, the vehicle-mounted terminal and the mobile terminal are communicated with each other through a wireless network, and the background server comprises:
the monitoring platform is used for remote monitoring service, track playback service, key monitoring service, alarm processing service, equipment state monitoring service, vehicle state service, personnel card swiping monitoring service, text scheduling service, short message reporting service, voice call service, parameter viewing setting service and remote upgrading service;
the information management platform is used for basic information service and authority management service;
the student management platform is used for bus card management service, bus taking management service and mobile internet service;
the school bus control center is used for controlling the whole system;
the vehicle monitoring system includes: the system comprises a vehicle-mounted monitoring terminal, a panoramic monitoring lens, a driver monitoring lens, a driving monitoring lens and a rear-view mirror-hung monitoring lens;
the vehicle-mounted terminal is used for collecting the running track of the vehicle, the student card swiping record, the driver sign-in and sign-out, the running state record of the vehicle, information storage and vehicle oil and electricity control;
the mobile terminal is used for remote monitoring, inquiring and receiving information by education management departments and parents.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a monitoring platform comprises:
the remote monitoring module is used for remotely monitoring multiple vehicles and single vehicle, and comprises real-time information, alarm information and fault information;
the track playback module is used for inquiring historical positioning data for playback according to conditions such as time periods, license plate numbers and the like;
the key monitoring module is used for realizing key tracking and monitoring of a certain vehicle through an independent map and an independent interface;
the alarm processing module is used for processing the vehicle when the vehicle has an emergency alarm and a dangerous driving alarm;
the equipment state monitoring module is used for remotely inspecting the working condition of the vehicle-mounted equipment and automatically reminding faults of a vehicle door, a card reader and a terminal;
the vehicle state monitoring module is used for giving an alarm by a system when the vehicle condition is abnormal and informing the vehicle of maintenance;
the system comprises a personnel card swiping monitoring module, a card swiping monitoring module and a card reading monitoring module, wherein the personnel card swiping monitoring module is used for recording card swiping time, place, vehicle state and related line information when a driver, a vehicle-mounted teacher and a student swipe cards;
the text scheduling module is used for sending information to the selected vehicles in a group manner;
the short message reporting module is used for sending fixed short messages to the selected vehicles in a group;
the voice call module is used for setting a telephone book for the selected vehicle;
and the electronic fence module is used for setting the electronic fence on the map as required and setting the attribute of the electronic fence.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein an information management platform comprises:
the basic information module is used for managing basic data such as vehicle information, organizations, drivers, operators, authorities, roles and the like;
and the authority management module is used for setting the authority of an operator and displaying different functional modules after logging in according to different user roles.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a student management platform comprises:
the card issuing management module is used for managing card issuing, loss reporting, replenishment and the like of the driver card and the student card;
the riding management module is used for recording and storing detailed information of card swiping of drivers and students in real time;
and the report inquiry module is used for reporting relevant to vehicle alarm information, fault information, driving records and attendance records.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted terminal comprises a central processing unit, a satellite positioning module, a communication module, a storage module, a vehicle control module, a data acquisition module and a communication interface, the communication module adopts a 4G whole-network-communication module, the communication interface comprises an RS232 interface, an RS485 interface and a host USB maintenance interface, a CAN bus is connected with the vehicle, and the running state of the vehicle is acquired through the CAN bus.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted terminal is respectively connected with a vehicle-mounted card reader and a vehicle-mounted scheduling screen through 2 RS232 interfaces through a vehicle connector, and the vehicle-mounted terminal is connected with an LED display screen through an RS485 interface through the vehicle connector.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted monitoring terminal comprises at least 1 camera, each camera works independently and independently, and the cameras in a carriage adopt 360-degree fisheye cameras.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, which adopts 4G whole-network-communication.
The invention has the beneficial effects that:
1. according to the intelligent operation display system for the whole-network-communication school bus, the GPS track system adopts the android operating system, supports GPS and Beidou satellite signals, positions the school bus in real time, is processed by the central processing unit and then is sent to the background management system, and positioning is accurate.
2. The intelligent operation display system for the whole network communication school bus disclosed by the invention adopts 4G whole network communication, is convenient for replacing operators, realizes card replacement without replacing modules, is convenient and quick, can take effect without changing product settings, ensures the data communication between the vehicle-mounted terminal and the background management system and the timeliness of the conversation between a driver and a monitoring center and can ensure the smoothness and low delay of data transmission by the high-speed uplink speed of 4G.
3. The invention discloses an intelligent operation display system of a whole-network-communication school bus, which adopts a 4-path or five-path independent power supply network, so that the situation that a product cannot be produced due to the failure of a certain path of product is avoided, and the normal work of other vehicle-mounted equipment is not influenced if the failure of the certain path of product is detected.
4. The invention discloses an intelligent operation display system of a whole-network-communication school bus, which collects key vehicle signals such as vehicle speed, brake, door state, backing signals and the like of the vehicle through a CAN bus. And the running track of the vehicle, the card swiping record of students, the sign-in and sign-out of drivers, the running state record of the vehicle, the driving behavior record of the drivers and the scheduling information issued by the background management system can be stored. The emergency alarm button can be used for alarming to a control center in an emergency, and the control center can be used for controlling an automobile starting circuit to cut off a relay and a fuel control valve.
5. The intelligent operation display system of the whole-network-communication school bus disclosed by the invention has a self-checking alarm function, fault information is indicated through the LED display screen and is timely uploaded to the background management center, operation and maintenance personnel can timely arrange maintenance, equipment fault accumulation is avoided, and the completeness rate of products is ensured.
6. The invention discloses an intelligent operation display system of a whole-network-communication school bus, which is characterized in that equipment has a one-key alarm function, when the equipment presses a one-key alarm button, front and rear guideboards of the bus are immediately changed into SOS, a dispatching center receives an alarm signal and a host immediately uploads video images of five minutes before the push to a designated server, video videos at a crisis moment are uploaded to the server as far as possible, and the videos at an emergency moment are prevented from being damaged due to equipment damage.
7. According to the intelligent operation display system for the whole-network-communication school bus, disclosed by the invention, equipment has a remote upgrading function, and if a service mode needs to be adjusted, upgrading adjustment can be realized by a background.
8. According to the intelligent operation display system for the whole-network-communication school bus, disclosed by the invention, equipment has a communication function, and a driver can directly contact a control center to seek help in case of emergency.
9. According to the intelligent operation display system for the whole-network-communication school bus, disclosed by the invention, equipment has a card swiping function and can be used as an attendance checking basis for a driver and a guardian, and a student can inform parents of the current bus taking condition by using the card swiping function, so that the parents are relieved.
Drawings
FIG. 1 is a block diagram of an intelligent operation display system of a school bus with full network communication.
FIG. 2 is a block diagram of the structure of modules of an intelligent operation display system vehicle-mounted terminal of a school bus with full network connectivity.
Detailed Description
For further explanation of the principles and construction of the present invention, preferred embodiments thereof will now be described in detail with reference to the accompanying drawings.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, which comprises a background server, a school bus control center, a vehicle-mounted monitoring system, a vehicle-mounted terminal and a mobile terminal, wherein the background server, the school bus control center, the vehicle-mounted monitoring system, the vehicle-mounted terminal and the mobile terminal are communicated with each other through a wireless network, the background server comprises a monitoring platform, an information management platform and a student management platform, and the monitoring platform comprises:
the remote monitoring service realizes remote monitoring of multiple vehicles and single vehicle, and the monitoring content at least comprises real-time information, alarm information, fault information and the like. Displaying the position of the vehicle through a map, wherein an icon and a license plate of the vehicle are required to be displayed; and can distinguish online, offline, alarm, fault and the like through icons and colors. After a certain vehicle is selected, a similar interface in the map is popped up, and the current detailed information of the vehicle can be displayed, wherein the detailed information comprises a license plate number, a current driver, position information, real-time information, driver sign-in information, basic information of the vehicle and the like.
The track playback service inquires historical positioning data for playback according to conditions such as time periods, license plate numbers and the like; the playing, fast forwarding, pausing, backing, dragging and the like can be realized during the playback;
the key monitoring service is used for realizing key tracking and monitoring of a certain vehicle through an independent map and an independent interface.
The alarm processing service is used for processing the vehicle when the vehicle has an emergency alarm and a dangerous driving alarm, and the system records and processes the suggestion; and can inquire and process the opinion and alarm information. The alarm types comprise overspeed alarm, dangerous driving behavior alarm, vehicle rollover alarm and emergency help alarm.
The equipment state monitoring service is used for remotely inspecting the working condition of the vehicle-mounted equipment, automatically reminding vehicle door, card reader and terminal failure and sending people for maintenance.
In this embodiment, the device maintenance and management function is implemented in a remote mode and a local mode (a serial port or a USB port), and mainly includes: setting/inquiring terminal parameters; upgrading the terminal and the external firmware connected with the terminal; exporting historical data in the terminal, such as data of sign-in and sign-out records, card swiping records, audio, photos and the like; and controlling the terminal to reset.
The vehicle state monitoring service alarms by the system when the vehicle condition is abnormal, informs the vehicle to carry out maintenance, and simultaneously records and processes suggestions by the system; and can inquire and process the opinion and alarm information.
In the embodiment, the equipment self-checking function explicitly shows the current main state of the vehicle-mounted terminal through a signal lamp or a vehicle-mounted display screen, wherein the current main state comprises a main power supply state, an MCU (microprogrammed control unit) working state and working states of peripheral devices such as a card reader, an LED (light-emitting diode) display screen, a communication module, a positioning module and the like; when the host or other peripheral terminals have faults, the fault type and other information are indicated in a display mode of a signal lamp or a vehicle-mounted display screen and are timely uploaded to a monitoring command center.
When a driver, a vehicle-mounted teacher and a student swipe cards, the system records the time, the place and the vehicle state of the card swiping and related line information, and the system automatically records and generates a corresponding report.
And the text scheduling module is used for sending information to the selected vehicles in a group mode, displaying the information on a display screen of the vehicle-mounted terminal and broadcasting the information in voice.
In the embodiment, the vehicle dispatching function receives and displays dispatching instructions issued by a monitoring command center or an operation company, and can feed back information in time through related keys; and receiving and displaying information such as weather forecast, road condition information and the like.
The short message reporting module is used for sending fixed short messages to the selected vehicles in a group mode, the information is displayed on a display screen of the vehicle-mounted terminal and is broadcasted in a voice mode, and a driver can report the fixed short messages through the touch screen to interact with the monitoring center.
The voice communication module is used for setting a telephone book for the selected vehicle, a driver can call the monitoring center through pressing a key, the driver can dial the set telephone number through the telephone book, and the center can control the vehicle-mounted equipment to automatically dial the telephone through an instruction.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a voice call management function can realize call monitoring under specific conditions (such as an alarm state and the like) according to parameter setting; operating related keys and starting a call with a specified telephone number of the monitoring command center; limiting the call time according to the parameter setting; supporting the selection of a terminal telephone answering strategy; the speaker volume can be adjusted.
The information management platform comprises: the basic information module is used for managing basic data such as vehicle information, organizations (lines, companies), drivers, operators, authorities, roles and the like;
and the authority management module is used for setting the authority of an operator and displaying different functional modules after logging in according to different user roles.
The student management platform comprises a card issuing management module used for managing card issuing, loss reporting, replenishment and the like of a driver card and a student card.
The riding management module is used for recording and storing detailed information of card swiping of drivers and students in real time;
and the report inquiry module is used for reporting relevant to vehicle alarm information, fault information, driving records and attendance records.
The management functions of card issuing, loss reporting, replenishment and the like of the driver card and the student card are mainly realized; the driver card and the student card can realize remote monitoring of the current vehicle driver; the information of the time and the position of the students getting on the bus can be recorded and stored in real time, and the detailed information of the card swiping of the drivers and the students can be stored.
The invention discloses an intelligent operation display system of a whole-network communication school bus, which realizes attendance sign-in and sign-out of a school bus by an IC card through an IC card management function of the school bus on-duty in the embodiment, and displays the identity information of a driver on the school bus on an LCD of a vehicle-mounted display screen; at least 15-day check-in and check-out records are cached; the attendance and attendance check-in and check-out data are transmitted to a background data resource center through an intelligent service terminal, and the uploading delay does not exceed 10 seconds; when communication is in fault, the intelligent service terminal can lead out the sign-in and sign-out data through a local serial port or a USB port and the like; the card swiping management function collects card swiping information (including card number, name boarding time, getting-off time and the like) of a driver, a vehicle-mounted teacher and students in real time through an interface with the card swiping device.
The operation data is transmitted to the background data resource center through the intelligent service terminal, uploading delay does not exceed 10 seconds, and when communication fails, the operation data can be exported in a mode of a local serial port and a USB port.
And the school bus control center is used for controlling the whole system.
The vehicle monitoring system includes: on-vehicle monitor terminal, panorama surveillance camera head, driver surveillance camera head, driving surveillance camera head and hang rear-view mirror surveillance camera head, wherein the panorama surveillance camera head in the carriage adopts 360 degrees fisheye cameras to adopt high definition digital signal, be used for the inside situation of traveling of record vehicle, convert the vehicle situation of traveling to image information and upload to backstage management center. The vehicle-mounted terminal supports the access of at most five cameras, each camera can work independently and independently, the situation that the whole product cannot work normally due to the fault of a single camera is avoided, the cameras in the carriage adopt 360-degree fisheye cameras, one camera can switch 360-degree visual angles, the investment of hardware cost can be reduced, and camera dead angles can be reduced as far as possible.
The vehicle-mounted terminal is used for collecting the running track of the vehicle, the card swiping record of students, the sign-in and sign-out of drivers, the running state record of the vehicle, information storage and vehicle oil and electricity control.
The mobile terminal is used for remote monitoring, inquiring and receiving information by education management departments and parents.
And the electronic fence module is used for setting the electronic fence on the map as required and setting the attribute of the electronic fence.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted terminal comprises a central processing unit, a satellite positioning module, a communication module, a storage module, a vehicle control module, a data acquisition module and a communication interface, the communication module adopts a 4G whole-network-communication module, the communication interface comprises an RS232 interface, an RS485 interface and a host USB maintenance interface, a CAN bus is connected with the vehicle, and the running state of the vehicle is acquired through the CAN bus.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted terminal is respectively connected with a vehicle-mounted card reader and a vehicle-mounted scheduling screen through 2 RS232 interfaces through a vehicle connector, and the vehicle-mounted terminal is connected with an LED display screen through an RS485 interface through the vehicle connector.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted monitoring terminal comprises at least 1 camera, each camera works independently and independently, and the cameras in a carriage adopt 360-degree fisheye cameras.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, which adopts 4G whole-network-communication.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted terminal host comprises a central processing unit, a satellite positioning module, a communication module, a storage module, a vehicle control module, a data acquisition module and a communication interface, and the central processing unit is used for controlling vehicle signal acquisition, data transmission, communication and other vehicle-mounted equipment.
The system comprises a central processing unit, a satellite positioning module and a background management center, wherein the central processing unit is used for processing GPS and Beidou satellite signals, positioning the position of a school bus in real time and transmitting the position to the background management center after the GPS and Beidou satellite signals are received, and the satellite positioning module is used for receiving the GPS and Beidou satellite signals, positioning the position of the school bus in real time and transmitting the position to the background management center after the GPS and Beidou satellite signals are processed by the central processing unit. The satellite positioning module is used for realizing a satellite positioning monitoring function, and comprises a timing monitoring function: reporting position information according to a time interval period, wherein the minimum time interval is not more than 1 second; distance monitoring: reporting the position according to a driving distance period, wherein the minimum distance is not more than 50 meters; a timing/distance combined monitoring mode; reporting position information in different periods according to the ignition state of the vehicle, the anti-robbery alarm state and the like; according to the instruction of the system, immediately returning the position information and tracking the vehicle; and (4) an inflection point supplementary transmission function. The satellite positioning module is used for enabling a driver and a dispatcher to accurately know the vehicle position of the school bus, so that the vehicle can be conveniently dispatched. In this embodiment, the satellite positioning module adopts a GPS/beidou 2 dual-mode module, which is fast in positioning and high in precision.
The driving route and the driving speed are effectively monitored by technical means such as GPS/Beidou 2 positioning, electronic fence (area alarm), line deviation alarm, overspeed alarm, segmented speed limiting and the like, the running state data of the vehicle is collected through a CAN interface, the running health condition of the vehicle is monitored in real time, traffic accidents caused by vehicle condition problems are reduced, and the driving safety is ensured; the phenomenon of 'three-over' such as overspeed, overload, overtime fatigue driving and the like is avoided, and correct response can be timely made when an emergency happens to the vehicle.
The invention discloses an intelligent operation display system of a whole-network school bus, wherein a communication module adopts a 4G whole-network communication module, adopts a MiniPCI-E universal interface, supports TDD, FDD, EVDO, WCDMA, TDSCDMA, CDMA 1x and GPRS, is used for data communication between a vehicle-mounted terminal and a background management center and voice communication between a driver and a monitoring center, can use a channel of any operator to transmit data and voice communication without replacing a host, supports blind area supplementary reporting of position information, operation data and photos, and can cache at least 10000 pieces of position reporting information.
The data transmission method is suitable for frequent network interruption without data loss, and after the network is recovered, data such as positioning data, card swiping data and image data can be automatically transmitted to the background data center again.
When the network is congested and the network becomes low-speed and low-quality, the data transmission is ensured not to be lost, and the time interval of uploading the data to the background data center is ensured to meet the corresponding requirements of various data.
Supporting a data uploading priority strategy: when multiple data are concurrent and need to occupy the network resource uploading background data resource center, priority uploading is needed according to the priority strategy.
And uploading data to a background data center with minimum network overhead, so that excessive use of a network is avoided. Virtual Private Network (VPN) connectivity is supported. And domain name resolution is supported. And connection switching between the primary server and the secondary server is supported.
In this embodiment, the storage module is used for storing a vehicle running track record, a student card swiping record, a driver sign-in and sign-out record, a vehicle running state record, a driver driving behavior record and scheduling information issued by the background management system.
And the vehicle control module is used for controlling the oil and electricity of the vehicle and comprises an emergency alarm button, an automobile starting circuit cutting relay and an oil control valve.
In this embodiment, the alarm switch is triggered after being triggered. The alarm switch is installed and hidden, a driver can trigger the alarm switch conveniently, photographing and recording are started after the alarm switch is triggered, and photo data are uploaded to a monitoring command center. And the early warning function is supported, and the alarm state is formally switched to after the confirmation of the on-duty personnel.
The related automatic reminding or alarming is realized through parameter setting: overspeed reminding, continuous driving overtime reminding, cumulative driving overtime reminding on the same day, and reminding in and out of a set area (electronic fence); alarming the illegal ignition of the vehicle; alarming for illegal displacement of the vehicle; reminding that the satellite positioning module has a fault, reminding that the satellite positioning antenna is not connected or cut off, and reminding that the voltage of the vehicle battery is insufficient; the terminal main power supply power-down reminding function comprises a terminal main power supply power-down reminding function, a terminal display screen fault reminding function, a card swiping device fault reminding function and the like, and automatic voice reminding is achieved.
In the embodiment, the vehicle control management function controls the oil way of the vehicle according to a system instruction in a static state of the vehicle; controlling a vehicle circuit according to a system instruction in a vehicle static state; the vehicle control state can be uploaded to a background management system in real time through a wireless network.
A data acquisition module: the method is used for collecting and storing key vehicle signals including vehicle speed, brake, door state, reversing signal and the like.
The communication interface adopts 2 RS232 interfaces to connect the vehicle-mounted card reader and the vehicle-mounted scheduling screen through the vehicle connector respectively, the RS485 interface is connected with the LED display screen through the vehicle connector, and at least has 1 host USB maintenance interface for parameter import and record export, the CAN bus is connected with the vehicle, and the running state of the vehicle is collected through the CAN bus and reported to the background management platform through the communication module.
In the embodiment, the CAN bus data acquisition function is preferably used for taxies with CAN buses, and the MCU should support a CAN bus data acquisition interface to acquire vehicle parameter information such as oil consumption and engine working conditions through the CAN bus.
In this embodiment, the hierarchical power management function should turn off the external terminal such as the card reader in the non-passenger operation state such as empty car and outage.
When the vehicle is flamed out, the MCU sends a vehicle flameout signal to the monitoring command center and automatically enters a dormant state. The MCU is used for turning off other unnecessary equipment except the wireless communication module and the satellite positioning module in a dormant state, and the satellite positioning module automatically wakes up when uploading is needed. During the dormancy period, the data uploading frequency can be remotely set by the monitoring command center or uploaded according to the uploading frequency specified by the preset parameters; after the battery is under-voltage and alarming, the built-in standby battery supplies power.
In order to protect the automobile storage battery and prolong the service life of the storage battery in the embodiment, the intelligent service terminal has a low-voltage power-off function, when the voltage of the storage battery is lower than 17V, the intelligent service terminal closes the power supply of the storage battery and supplies power by using an internal backup battery, and the current acquired from the storage battery is not more than 100 mA.
The invention discloses an intelligent operation display system of a whole-network-communication school bus, wherein a vehicle-mounted scheduling screen is used for realizing a man-machine interaction operation function and comprises a TFT (thin film transistor) digital display screen, a physical operation key, a communication and recording device and a communication interface, wherein the TFT digital display screen is a scheduling information display screen of a vehicle-mounted terminal and is used for displaying scheduling information, card swiping information, attendance and attendance information, public information released by a background and displaying the current state of the vehicle-mounted terminal, including a main power supply state, an MCU (micro control unit) working state and the peripheral working states of a card swiping device, an LED (light-emitting diode) display screen, a communication module and a positioning module;
in this embodiment, the LCD information display function of the dispatch screen receives text information, displays the text information on a terminal display (LCD), and broadcasts the text information by TTS, and stores at least the latest 50 pieces of text information and at least 50 event reports.
And the LED information issuing function reserves the later-stage expanded independent LED display screen communication interface function.
The vehicle-mounted dispatching screen is used as a man-machine interaction device in the school bus management system and is mainly used for dispatching information display, card swiping information display, voice communication and operation related to school bus service. The vehicle-mounted dispatching screen comprises a display screen, an operation key, a communication and recording device and a communication interface, wherein the display screen realizes the integration of dispatching and displaying functions and is used for displaying the public service information including dispatching information, card swiping information, attendance and attendance information and background published information.
The vehicle-mounted dispatching screen has the functions of warning prompt and alarm and is used for automatic voice prompt and triggering the alarm switch, after the alarm switch is triggered, photographing and recording information is started, and photo data are uploaded to the background management center through the communication module.
The warning body reminding function realizes related automatic reminding or alarming through parameter setting, and comprises overspeed reminding, continuous driving overtime reminding, accumulated driving overtime reminding on the same day and reminding in and out of a set area; alarming the illegal ignition of the vehicle; alarming for illegal displacement of the vehicle; reminding that the satellite positioning module has a fault, reminding that the satellite positioning antenna is not connected or cut off, and reminding that the voltage of the vehicle battery is insufficient; and the terminal main power supply power-down reminding function comprises a terminal main power supply power-down reminding function, a terminal display screen fault reminding function and a card reader fault reminding function.
The display screen adopts a TFT digital liquid crystal screen, and has wide visual angle and high brightness. The built-in MIC of display screen is used for voice conversation, built-in loudspeaker, 8 ohm 2W speaker.
The communication and recording device consists of a hand-free loudspeaker and a microphone device, and the communication is mainly used for connecting a school bus driver to a background management center.
The vehicle-mounted dispatching screen further comprises a warning prompt and an alarm function and is used for automatic voice reminding and triggering the alarm switch, after the alarm switch is triggered, camera shooting and recording information is started, and photo data are uploaded to the background management center through the communication module.
The warning body reminding function realizes related automatic reminding or alarming through parameter setting, and comprises overspeed reminding, continuous driving overtime reminding, accumulated driving overtime reminding on the same day and reminding in and out of a set area; alarming the illegal ignition of the vehicle; alarming for illegal displacement of the vehicle; reminding that the satellite positioning module has a fault, reminding that the satellite positioning antenna is not connected or cut off, and reminding that the voltage of the vehicle battery is insufficient; and the terminal main power supply power-down reminding function comprises a terminal main power supply power-down reminding function, a terminal display screen fault reminding function and a card reader fault reminding function.
The vehicle control module controls a vehicle oil circuit according to a system instruction in a vehicle static state, and controls the vehicle circuit according to the system instruction in the vehicle static state.
Including vehicle-mounted terminal, on-vehicle dispatch screen, LED display screen, on-vehicle POS machine, camera be the independent power supply, adopt 5 ways independent power supply networks, lug connection vehicle power can not lead to the unable just production work of product because of certain product failure all the way.
The vehicle-mounted terminal is connected with the vehicle-mounted card swiping machine, the vehicle-mounted scheduling screen and the LED display screen through the vehicle-mounted connector, and the background management center receives positioning information, vehicle running state information, driver sign-in and sign-off information, student card swiping information, video information and voice information sent by the vehicle-mounted terminal and sends scheduling instructions to the vehicle-mounted terminal.
The vehicle-mounted terminal module comprises a central processing unit, and a satellite positioning module, a communication module, a storage module and a communication interface which are connected with the central processing unit.
The central processing unit is used for controlling vehicle signal acquisition, data transmission, communication and other vehicle-mounted equipment. In the embodiment, the central processing unit adopts an STM32F205-ZG central processing unit, at least a dual-core CPU.
And the satellite positioning module is used for receiving GPS and Beidou satellite signals, positioning the position of the school bus vehicle in real time, and transmitting the position to the background management center after being processed by the central processing unit. The satellite positioning module is used for realizing a satellite positioning monitoring function, and comprises a timing monitoring function: reporting position information according to a time interval period, wherein the minimum time interval is not more than 1 second; distance monitoring: reporting the position according to a driving distance period, wherein the minimum distance is not more than 50 meters; a timing/distance combined monitoring mode; reporting position information in different periods according to the ignition state of the vehicle, the anti-robbery alarm state and the like; according to the instruction of the system, immediately returning the position information and tracking the vehicle; and (4) an inflection point supplementary transmission function. The satellite positioning module is used for enabling a driver and a dispatcher to accurately know the vehicle position of the school bus, so that the vehicle can be conveniently dispatched. In this embodiment, the satellite positioning module adopts a GPS/BD2 dual-mode module, which is fast in positioning and high in accuracy.
The driving route and the driving speed are effectively monitored by technical means such as GPS/Beidou positioning, electronic fence (area alarm), line deviation alarm, overspeed alarm, segmented speed limit and the like, the running state data of the vehicle is collected through a CAN interface, the running health condition of the vehicle is monitored in real time, traffic accidents caused by vehicle condition problems are reduced, and the driving safety is ensured; the phenomenon of 'three-over' such as overspeed, overload, overtime fatigue driving and the like is avoided, and correct response can be timely made when an emergency happens to the vehicle.
And the communication module is used for data communication between the vehicle-mounted terminal and the background management system and voice communication between a driver and the background management center. The communication module adopts a 4G full-network communication module and a MiniPCI-E universal interface, supports TDD, FDD, EVDO, WCDMA, TDSCDMA, CDMA 1x and GPRS, and can use a channel of any operator to transmit data and voice communication without replacing a host.
And the storage module is used for storing vehicle running track records, student card swiping records, driver sign-in and sign-out, vehicle running state records, driver driving behavior records and scheduling information issued by the background management center. In the present embodiment, the storage module is of the AT24C256C-SSHL model.
The communication interface at least comprises 2 paths of RS232 interfaces, one path of RS485 interface and one path of CAN communication interface. In this embodiment, the communication interface includes 2 RS232 interfaces, one RS485 interface, and one CAN communication interface. The 2 RS232 interfaces are respectively connected with the vehicle-mounted card swiping machine and the vehicle-mounted scheduling screen through the vehicle connector, the RS485 interface is connected with the LED display screen through the vehicle connector, the CAN bus is connected with the vehicle, the running state of the vehicle is collected through the CAN bus, and the running state is reported to the background management center through the communication module. The vehicle-mounted terminal is at least provided with a 1 host USB maintenance interface for parameter import and record export.
The vehicle-mounted terminal further comprises a signal indicator lamp, and the signal indicator lamp indicates the working states of the main power supply state, the MCU working state and the peripheral devices of the card swiping machine, the LED display screen, the communication module and the positioning module. When the host or other peripheral terminals have faults, fault type information is indicated in a signal lamp display mode and uploaded to a background management center.
The camera adopts high-definition digital signals and is used for recording the running condition in the vehicle, converting the running condition of the vehicle into image information and uploading the image information to the background management center. The vehicle-mounted terminal supports the access of at most five cameras, each camera can independently work, and the phenomenon that the whole product cannot work normally due to the fault of a single camera is avoided. The camera in the carriage adopts 360 degrees fisheye cameras, and a camera can switch 360 degrees visual angles, so that the investment of hardware cost can be reduced, and the camera dead angle can be reduced as much as possible.
The top respectively is equipped with one around the LED display screen vehicle for show line information makes things convenient for the student to look over vehicle route information. The LED display screen is provided with a communication interface with the vehicle-mounted host, and the communication interface supports RS-232, RS-485 and other modes. In this embodiment, the RS-485 mode is supported.
The vehicle-mounted dispatching screen is used as a man-machine interaction device in the school bus management system and is mainly used for dispatching information display, card swiping information display, voice communication and operation related to school bus service. The vehicle-mounted dispatching screen comprises a display screen, an operation key, a communication and recording device and a communication interface, wherein the display screen realizes the integration of dispatching and displaying functions and is used for displaying the public service information including dispatching information, card swiping information, attendance and attendance information and background published information.
The vehicle-mounted dispatching screen has the functions of warning prompt and alarming. The warning body reminding function realizes automatic voice reminding through parameter setting, and comprises overspeed reminding, continuous driving overtime reminding, accumulated driving overtime reminding on the same day and reminding in and out of a set area; alarming the illegal ignition of the vehicle; alarming for illegal displacement of the vehicle; reminding that the satellite positioning module has a fault, reminding that the satellite positioning antenna is not connected or cut off, and reminding that the voltage of the vehicle battery is insufficient; and the power failure of the main power supply of the terminal is prompted, the fault of the display screen of the terminal is prompted, and the fault of the card swiping machine is prompted. The alarm function is realized through an alarm key, after the alarm key is triggered, photographing and recording information is started, and photo data are uploaded to the background management center through the communication module.
In this embodiment, the display screen of the vehicle-mounted dispatching screen adopts a TFT digital liquid crystal screen, and has a wide viewing angle and high brightness. The built-in MIC of display screen is used for voice conversation, built-in loudspeaker, 8 ohm 2W speaker.
The communication and recording device consists of a hand-free loudspeaker and a microphone device, and the communication is mainly used for connecting a school bus driver to a background management center.
The vehicle-mounted scheduling screen is also provided with a communication interface with the vehicle-mounted host, and the communication interface supports RS-232, RS-485 and other modes. In this embodiment, an RS-232 scheme is supported.
The vehicle-mounted card swiping machine is used for authenticating the identities of a driver, a car following teacher and students, and the school bus driver and the car following teacher perform work attendance and work attendance operation through card swiping; when a student gets on or off the bus, the student swipes his/her IC card, and the system automatically sends a short message to the mobile phone of the family according to the card swiping action of the student, so that the position of the student is monitored by the family of the family.
The POS machine is provided with a communication interface with the vehicle-mounted host, and the communication interface supports modes such as RS-232 and RS-485. In this embodiment, an RS-232 scheme is supported. The POS machine supports a USB Host: data such as card swiping records can be downloaded through the USB flash disk.
The following description will be made of the working principle and installation considerations of the present invention by taking this embodiment as an example.
Before the vehicle runs: and scheduling personnel of the background management center schedule the vehicles to run according to the receiving and sending time and the route of the students. After the vehicle is started, the vehicle-mounted card swiping machine, the LED display screen and the vehicle-mounted scheduling screen start to work, and the central processing unit of the vehicle-mounted terminal receives scheduling management information of the background management center.
The vehicle-mounted dispatching screen displays the current equipment state, including the main power supply state, the MCU working state and the working states of the card swiping machine, the LED display screen, the communication module, the positioning module and other peripheral equipment. And the display screen of the vehicle-mounted scheduling screen displays scheduling information.
The driver realizes attendance sign-off through the induction zone response of IC card on the on-vehicle machine for punching the card to show on the display screen of on-vehicle dispatch screen, the machine for punching the card can buffer the at least 15 days of record of signing-off, attendance sign-off data pass through vehicle-mounted terminal wireless transmission to backstage management center, upload delay does not exceed 10 seconds. When communication fails, the sign-in and sign-out data can be exported in a USB port mode.
The follow-up teacher and the students can get on the bus and swipe the IC card, the card swiping machine stores the riding records of the students, and the card swiping machine can cache the riding records for at least 15 days. The riding data is wirelessly transmitted to the background management center through the vehicle-mounted terminal, and the uploading delay is not more than 10 seconds. When communication fails, the sign-in and sign-out data can be exported in a USB port mode.
And after the students and the car-following teachers finish taking the bus, the driver drives the vehicle according to the driving route.
Under the non-passenger operation states of empty vehicles, stop operation and the like, a driver can manually close the card swiping machine.
During the running of the vehicle: in the running process, a timing/distance combined monitoring mode is adopted for the vehicle, the position information is reported according to a time interval period, the position is reported according to a running distance period and is uploaded to a background management center, and a dispatcher of the background management center can know the position of the vehicle and the running state information of the vehicle in real time.
In the vehicle driving process, related automatic reminding is realized through preset parameters: the method comprises overspeed reminding, continuous driving overtime reminding, cumulative driving overtime reminding on the same day and entering and exiting set areas (electronic fences) reminding; reminding that the satellite positioning module has a fault, reminding that the satellite positioning antenna is not connected or cut off, and reminding that the voltage of the vehicle battery is insufficient; the method comprises the following steps of terminal main power supply power-down reminding, terminal display screen fault reminding and card swiping machine fault reminding; alarming the illegal ignition of the vehicle; and alarming illegal displacement of the vehicle and the like. And playing voice prompt through a built-in loudspeaker of the scheduling display screen.
When a problem occurs in the driving process of the vehicle, for example, the vehicle is anchored and the like, the driver can schedule other vehicles through the communication connection of the communication device of the scheduling display screen and the background monitoring command center.
When the vehicle is in an emergency, a driver can press the emergency alarm key to trigger the start of shooting and recording, and immediately upload a video image of five minutes before the push to a background management center, so that the video at the crisis moment is uploaded to a server as far as possible, and the video at the emergency moment is prevented from being damaged due to equipment damage.
When the student arrives at the station, the student gets off and swipes the IC card, the card swiping machine records the getting-off information of the student and transmits the getting-off information to the background management center through the vehicle-mounted terminal in a wireless mode, and uploading delay does not exceed 10 seconds.
After the vehicle runs: and when the vehicle is driven, the vehicle is stopped in the garage, the driver swipes the IC card, the card swiping machine records the label returning information of the driver and wirelessly transmits the label returning information to the background management center through the vehicle-mounted terminal, and the uploading delay does not exceed 10 seconds.
When the vehicle is flamed out, a central processing unit (MCU) of the vehicle-mounted terminal sends a vehicle flameout signal to a background management center and automatically enters a dormant state, the MCU is used for closing other unnecessary equipment except the wireless communication module and the satellite positioning module in the dormant state, and the satellite positioning module is automatically awakened when the satellite positioning module needs to be uploaded. During the dormancy, the data uploading frequency can be remotely set by a background management center or uploaded according to the uploading frequency specified by the preset parameters; after the battery is under-voltage and alarming, the built-in standby battery supplies power.
Installation considerations of the present invention: when the device is installed, the device is convenient for a driver to operate, the normal driving of the driver is not interfered, and potential safety hazards of the driver are avoided. In this embodiment, the vehicle-mounted terminal host computer of central processing unit, storage module and communication interface set is installed in the below of access hole below platform department access hole, the antenna of orientation module and wireless communication module can draw out the car and be convenient for receive stronger signal outward, 360 degrees fisheye cameras in the carriage are installed in the top of being close to the driver's cabin, conveniently shoot the driving condition, other cameras can set up places such as in front of vehicle windshield according to the demand, and vehicle situation detection sensor need detect like the oil level of car, the switch of door, theftproof electronic lock switch detects, information such as radar range finding, and each vehicle situation detection sensor need be installed in the relevant position according to respective functional requirement. The alarm switch is concealed when being installed and is convenient for a driver to trigger.
The vehicle-mounted dispatching screen can be installed in the driver's cabin through the mount pad and make things convenient for the driver to operate the place, and the machine for punching the card is installed on the stand that is located the driver next door, and the height of machine for punching the card can set up according to student's average height, the wire rod is pre-buried inside the stand, communicates vehicle-mounted terminal's host computer.
The invention solves the problem that one module is compatible with all standards of three operators, and avoids secondary investment for replacing the operators. Each group of peripheral equipment is independently supplied with power by the host for network, and the peripheral equipment is independent from each other and cannot be used by other peripheral equipment due to the fault of one peripheral equipment. The high-speed communication efficiency of 4G greatly improves the efficiency of terminal video and data transmission and the user experience. The implanted special equipment self-checking and peripheral fault diagnosis program can accurately diagnose the running state of the equipment, ensure the timely maintenance of the equipment and reduce the fault rate of the equipment, thereby reducing various adverse consequences caused by equipment faults. And the whole vehicle video coverage is realized under the condition of reducing hardware investment by adopting 360-degree panoramic monitoring. The emergency uploading button starts to upload the monitoring video to the server under the emergency condition, and therefore evidence obtaining failure under the condition that monitoring cannot be normally stored due to equipment damage is avoided.
The above description is only a preferred and practical embodiment of the present invention, and does not limit the scope of the present invention. All the equivalent structures or equivalent processes performed by using the contents of the specification and the drawings of the invention, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a whole net leads to school bus intelligence operation display system, includes backend server, school bus control center, on-vehicle monitored control system, vehicle mounted terminal and mobile terminal, backend server, school bus control center, on-vehicle monitored control system, vehicle mounted terminal and mobile terminal pass through wireless network intercommunication, its characterized in that: the background server comprises:
the monitoring platform is used for remote monitoring service, track playback service, key monitoring service, alarm processing service, equipment state monitoring service, vehicle state service, personnel card swiping monitoring service, text scheduling service, short message reporting service, voice call service, parameter viewing setting service and remote upgrading service;
the information management platform is used for basic information service and authority management service;
the student management platform is used for bus card management service, bus taking management service and mobile internet service;
the school bus control center is used for controlling, monitoring and scheduling the whole system at the background;
the vehicle monitoring system includes: the system comprises a vehicle-mounted monitoring terminal, a panoramic monitoring lens, a driver monitoring lens, a driving monitoring lens and a rear-view mirror-hung monitoring lens;
the vehicle-mounted terminal is used for collecting the running track of the vehicle, the student card swiping record, the driver sign-in and sign-out, the running state record of the vehicle, information storage and vehicle oil and electricity control;
the mobile terminal is used for remote monitoring, inquiring and receiving information by education management departments and parents.
2. The intelligent operation display system of the whole-network-communication school bus according to claim 1, wherein: the monitoring platform comprises:
the remote monitoring module is used for remotely monitoring multiple vehicles and single vehicle, and comprises real-time information, alarm information and fault information;
the track playback module is used for inquiring historical positioning data for playback according to conditions such as time periods, license plate numbers and the like;
the key monitoring module is used for realizing key tracking and monitoring of a certain vehicle through an independent map and an independent interface;
the alarm processing module is used for processing the vehicle when the vehicle has an emergency alarm and a dangerous driving alarm;
the equipment state monitoring module is used for remotely inspecting the working condition of the vehicle-mounted equipment and automatically reminding faults of a vehicle door, a card reader and a terminal;
the vehicle state monitoring module is used for giving an alarm by a system when the vehicle condition is abnormal and informing the vehicle of maintenance;
the system comprises a personnel card swiping monitoring module, a card swiping monitoring module and a card reading monitoring module, wherein the personnel card swiping monitoring module is used for recording card swiping time, place, vehicle state and related line information when a driver, a vehicle-mounted teacher and a student swipe cards;
the text scheduling module is used for sending information to the selected vehicles in a group manner;
the short message reporting module is used for sending fixed short messages to the selected vehicles in a group;
the voice call module is used for setting a telephone book for the selected vehicle;
and the electronic fence module is used for setting the electronic fence on the map as required and setting the attribute of the electronic fence.
3. The intelligent operation display system of the whole-network-communication school bus according to claim 1, wherein: the information management platform comprises:
the basic information module is used for managing basic data such as vehicle information, organizations, drivers, operators, authorities, roles and the like;
and the authority management module is used for setting the authority of an operator and displaying different functional modules after logging in according to different user roles.
4. The intelligent operation display system of the whole-network-communication school bus according to claim 1, wherein: the student management platform comprises:
the card issuing management module is used for managing card issuing, loss reporting, replenishment and the like of the driver card and the student card;
the riding management module is used for recording and storing detailed information of card swiping of drivers and students in real time;
and the report inquiry module is used for reporting relevant to vehicle alarm information, fault information, driving records and attendance records.
5. The intelligent operation display system of the whole-network-communication school bus according to claim 1, wherein: the vehicle-mounted terminal comprises a central processing unit, a satellite positioning module, a communication module, a storage module, a vehicle control module, a data acquisition module and a communication interface, wherein the communication module adopts a 4G full-network communication module, the communication interface comprises an RS232 interface, an RS485 interface and a host USB maintenance interface, the CAN bus is connected with the vehicle, and the running state of the vehicle is acquired through the CAN bus.
6. The intelligent operation display system of the whole-network-communication school bus according to claim 5, wherein: the vehicle-mounted terminal is respectively connected with the vehicle-mounted card reader and the vehicle-mounted scheduling screen through 2 RS232 interfaces through the vehicle connector, and the vehicle-mounted terminal is connected with the LED display screen through the RS485 interface through the vehicle connector.
7. The intelligent operation display system of the whole-network-communication school bus according to claim 1, wherein: the vehicle-mounted monitoring terminal comprises at least 1 camera, each camera works independently and independently, and the cameras in the carriage adopt 360-degree fisheye cameras.
8. The intelligent operation display system of the whole-network-communication school bus according to claim 1, wherein: the operation display system adopts 4G full network communication.
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| CN201811638673.4A CN111383439A (en) | 2018-12-29 | 2018-12-29 | Intelligent operation display system of whole-network-communication school bus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917860A (en) * | 2020-07-28 | 2020-11-10 | 安徽安凯汽车股份有限公司 | Vehicle operation information processing system based on Internet of things |
| CN112418465A (en) * | 2020-11-05 | 2021-02-26 | 盐城工业职业技术学院 | Rail-mounted school bus system |
| CN113470414A (en) * | 2021-06-30 | 2021-10-01 | 南京江宁公共交通信息科技有限公司 | Active safety system for public traffic driving |
-
2018
- 2018-12-29 CN CN201811638673.4A patent/CN111383439A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917860A (en) * | 2020-07-28 | 2020-11-10 | 安徽安凯汽车股份有限公司 | Vehicle operation information processing system based on Internet of things |
| CN112418465A (en) * | 2020-11-05 | 2021-02-26 | 盐城工业职业技术学院 | Rail-mounted school bus system |
| CN113470414A (en) * | 2021-06-30 | 2021-10-01 | 南京江宁公共交通信息科技有限公司 | Active safety system for public traffic driving |
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