CN111385528A - Intelligent monitoring system of whole-network-communication school bus - Google Patents
Intelligent monitoring system of whole-network-communication school bus Download PDFInfo
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- CN111385528A CN111385528A CN201811635189.6A CN201811635189A CN111385528A CN 111385528 A CN111385528 A CN 111385528A CN 201811635189 A CN201811635189 A CN 201811635189A CN 111385528 A CN111385528 A CN 111385528A
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- 238000004891 communication Methods 0.000 title claims abstract description 49
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 230000036541 health Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 description 5
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000003860 storage Methods 0.000 description 2
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- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 230000003203 everyday effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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Abstract
The invention discloses a whole-network-communication school bus intelligent monitoring system which comprises a background monitoring center, a vehicle-mounted terminal, a vehicle speed sensor, a card swiping machine, a scheduling screen, an LED display screen and at least 1 camera, wherein the vehicle-mounted terminal comprises a GPS (global positioning system) host and an NVR (network video recorder) host, and the GPS host is connected with a signal control unit, the vehicle speed sensor, the card swiping machine, the scheduling screen and the LED display screen and is used for acquiring vehicle positioning information, vehicle running state information and card swiping information; the camera is used for acquiring driving video data; the NVR host is used for network communication routing and video forwarding, and meanwhile, running health monitoring of the equipment is conducted. 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.
Description
Technical Field
The invention relates to the field of vehicle monitoring, in particular to an intelligent monitoring 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 vehicle-mounted monitoring data transmission mainly adopts a local storage or 2/3g communication mode for data transmission, the local storage causes that a user cannot obtain real-time data of a vehicle at the first time, the delay of the data often causes some problems which cannot be solved, and good user experience does not exist basically. 2/3G communication mode can only satisfy basic data communication and image uplink of lower data because of slow data uplink speed, user experience effect is poor, and network can not be provided for external devices. Therefore, if a new peripheral is required to be added to the device, the device cannot be conveniently added, and the device needs to be redesigned and developed, so that the design and production period is long, and the flexibility is not achieved.
Disclosure of Invention
The invention aims to upgrade and improve the problems in the prior art and provides an intelligent monitoring system for a whole-network-communication school bus.
The invention discloses an intelligent monitoring system of a whole-network-communication school bus, which comprises a background monitoring center, a vehicle-mounted terminal, a vehicle speed sensor, a card swiping machine, a scheduling screen, an LED display screen and at least 1 camera. Wherein:
the vehicle-mounted terminal comprises a GPS host and an NVR host, wherein the GPS host is connected with a signal control unit, a vehicle speed sensor, a card swiping machine, a dispatching screen and an LED display screen and is used for acquiring vehicle positioning information, vehicle running state information and card swiping information; the NVR host is used for establishing a routing network to provide a network for the camera and providing uplink and downlink communication and video forwarding on the network of the NVR host, and meanwhile, the NVR host monitors whether the normal state of the equipment is normal or not through the customized protocol field and the camera;
the camera is used for acquiring driving video data;
the background monitoring center is used for positioning the vehicle according to the information reported by the vehicle, transmitting the current state of the vehicle to the user PC client, and performing character information issuing and line issuing and management and scheduling of the vehicle, the position and the video information on the vehicle.
In the monitoring system disclosed in the present invention, the GPS host includes:
the central processing unit is used for vehicle signal acquisition, data transmission, communication and control of other vehicle-mounted equipment;
the satellite positioning module is used for receiving GPS and Beidou satellite signals and positioning the position of the school bus in real time;
the communication module is used for data communication between the vehicle-mounted terminal and the background monitoring center gateway;
and the communication interface at least comprises three RS232 interfaces, one RS485 interface and one CAN interface.
The GPS host is respectively connected with the signal control unit, the card reader and the scheduling screen through the RS232 interface, the RS485 interface is connected with the LED display screen through the automotive connector, the CAN bus is connected with the vehicle, and the running state of the vehicle is acquired through the CAN bus.
Preferably, the communication module adopts a 4G full-network communication module.
The monitoring system disclosed by the invention also comprises an emergency button, wherein the emergency button is connected with the semaphore of the NVR host and the GPS host, the GPS host receives the semaphore, the central processing unit controls the LED display screen to display an alarm state and informs the gateway that the vehicle is in an emergency state, the NVR host receives the semaphore and communicates with the camera through the network port, and the camera uploads a video to the background monitoring center.
Preferably, the NVP host supports at most five cameras to be connected and independently work, the cameras adopt high-definition digital signals, and the cameras in the carriage adopt 360-degree fisheye cameras.
Preferably, the vehicle-mounted terminal, the dispatching screen, the LED display screen and the card swiping machine are independently powered and are connected with a vehicle power supply in 4 paths.
The invention has the beneficial effects that:
1. the invention discloses an intelligent monitoring system of a school bus with a 4G network communication, which adopts 4G network communication, changes operators at will, can take effect without changing product settings, and ensures the smoothness of video transmission by the high-speed uplink speed of 4G;
2. the camera of the invention supplies power to the public network independently, can not cause the product to be incapable of working in normal production because of a certain path of product failure, if the failure of a certain path of camera does not affect the normal work of other cameras;
3. the camera adopts high-definition digital signals, so that clear images can be provided for accident sites, and powerful evidences are provided for accident liability determination;
4. the 360-degree fisheye cameras are adopted in the carriage, and one camera can switch the 360-degree visual angle, so that the investment of hardware cost can be reduced, and the camera dead angle can be reduced as much as possible;
5. the intelligent monitoring system of the whole-network-communication school bus disclosed by the invention has a self-checking alarm function, fault information is indicated through the vehicle-mounted scheduling screen and is uploaded to the background monitoring center in time, operation and maintenance personnel can arrange maintenance in time, equipment fault accumulation is avoided, and the completeness rate of products is ensured;
6. the intelligent monitoring system of the whole-network-communication school bus disclosed by the invention has a one-key alarm function, and can upload video images pushed for five minutes at the moment to a background monitoring center immediately after equipment presses a one-key emergency alarm button, so that video records at the crisis moment are uploaded as far as possible, and the video records at the emergency moment are prevented from being damaged due to equipment damage.
Drawings
FIG. 1 is a connection diagram of an intelligent monitoring system for a whole-network-communication school bus, which is disclosed by the invention.
FIG. 2 is a block diagram of an intelligent monitoring system for a school bus with 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 intelligent monitoring system for the whole-network-communication school bus disclosed by the invention realizes the functions of real-time monitoring of the dynamic position of the school bus, personnel monitoring (drivers, on-board teachers and students), information scheduling, voice communication, video monitoring, historical data playback and the like, and fundamentally improves the real-time mastering and strain capacity of a scheduling command system on the school bus condition. The system realizes regular maintenance of the school bus managed vehicles, fixed transportation people (drivers, teachers and students) and fixed driving route.
As shown in fig. 1 and 2, the intelligent monitoring system for the whole network communication school bus disclosed by the invention comprises a background monitoring center, a vehicle-mounted terminal, a vehicle speed sensor, a card swiping machine, a scheduling screen, an LED display screen and at least 1 camera, wherein the vehicle-mounted terminal comprises a GPS host and an NVR host.
Wherein, the GPS host computer includes:
the central processing unit is used for controlling vehicle signal acquisition, data transmission, communication and other vehicle-mounted equipment, and in the embodiment, the central processing unit adopts an STM32F205-ZG central processing unit and at least a dual-core CPU;
the system comprises a satellite positioning module, a GPS/BD2 dual-mode module and a high-precision module, wherein the satellite positioning module is used for receiving GPS and Beidou satellite signals and positioning the position of a school bus vehicle in real time;
the communication module is used for data communication between the vehicle-mounted terminal and the background monitoring center gateway, 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 call without replacing a host;
and the communication interface comprises 3 paths of RS232 interfaces, one path of RS485 interface and one path of CAN interface. The GPS vehicle-mounted host is respectively connected with the signal control unit, the card reader and the scheduling screen through the RS232 interface, the RS485 interface is connected with the LED display screen through the vehicle connector, vehicle positioning information, signals and card reading information are acquired through the communication interface, the CAN bus is connected with the vehicle, and the running state of the vehicle is acquired through the CAN bus. The vehicle-mounted terminal is at least provided with a 1 host USB maintenance interface for parameter import and record export.
The signal control unit is connected with an emergency door signal, a brake signal, a backing signal and passenger signals. The signal control unit is responsible for collecting the emergency door semaphore, the brake semaphore, the backing semaphore and the passenger semaphore of the vehicle, and is managed by unified communication between the signal control unit and the host computer and displayed on the dispatching screen.
The LED display screen vehicle front and back top respectively is equipped with one, for LED front street nameplate and LED back street nameplate for show line information makes things convenient for the student to look over vehicle route information.
The dispatching screen is used as a man-machine interaction device and is mainly used for dispatching information display, card swiping information display, voice communication and operation related to school bus service. In this embodiment, the display screen of the vehicle-mounted dispatching screen adopts a TFT digital liquid crystal display screen, which is a 7-inch Android display 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 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 students get on or off the bus, they swipe IC cards. The card swiping information comprises the card swiping information of drivers, students and car following teachers.
The NVR host is used for network communication routing and video forwarding, and meanwhile, running health monitoring of the equipment is conducted. The NVR host monitors whether the normal state of the equipment is normal or not through the customized protocol field and the camera, and meanwhile, a routing network is established to provide network and network uplink and downlink communication of the equipment for the camera.
The NVR host outputs 5 paths of power supplies to the outside in total, is connected with five paths of cameras respectively, and does not influence the power supply of other four paths of cameras after a certain path of camera fails independently.
The cameras all adopt high-definition digital signals and are used for recording vehicle running video data. 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 NVR host and the GPS are linked mainly through an emergency button, the emergency button is connected with the semaphore of the NVR host and the semaphore of the GPS host, when the GPS host receives the semaphore, the guideboard is actively refreshed to display an SOS alarm state, meanwhile, the gateway vehicle is informed of being in an emergency state, and the background monitoring center can give a notice of bouncing off the window. When the NVR host receives the semaphore, the NVR host communicates with the camera through the internet access, and the camera uploads a video to the background monitoring center according to the configured parameters.
In the embodiment, after the equipment presses the one-key emergency alarm button, the video image pushed for five minutes at the moment can be immediately uploaded to the background monitoring center, the video recording at the crisis moment is uploaded as far as possible, and the video recording at the emergency moment is guaranteed not to be damaged due to the damage of the equipment.
The background monitoring center is used for positioning the vehicle according to the information reported by the vehicle, transmitting the current state of the vehicle to the user PC client, and performing character information issuing and line issuing and management and scheduling of the vehicle, the position and the video information on the vehicle. The special personnel of the dispatching center is responsible for communicating and issuing information through the vehicle machine and the school bus driver, and meanwhile line issuing and guideboard and waybill adjustment are carried out on line.
The vehicle-mounted terminal, the dispatching screen, the LED display screen and the card swiping machine adopt 4 paths of independent power supply networks and are directly connected with a vehicle power supply, and the phenomenon that products cannot work normally due to the fact that a certain path of product fails is avoided.
The working principle is as follows: as shown in fig. 1 and fig. 2, the NVR host and the GPS host are integrated into a vehicle-mounted terminal, the NVR host and the GPS host communicate with each other by using two SIM cards, and mainly, in consideration of a failure of one set of equipment, the other set of equipment can still operate normally, and the GPS host uploads vehicle positioning information, swipes card information, and issues scheduling information and guideboard information; the NVR is responsible for real-time transmission and playback of video, and an emergency button is shared between two sets of equipment.
When equipment has faults, fault information of the GPS terminal is uploaded to the background monitoring center gateway through the GPS host, faults related to the camera and the NVR are uploaded to the background monitoring center through the NVR, and the camera and the NVR have respective communication modules. After the NVR host is started, whether the cameras work normally or not and whether the memory card works normally or not are detected through the network protocol of the local area network according to the number of the cameras configured by the configuration file.
The camera communicates with a CMS client (the CMS client is a PC client used by a monitoring center for dispatching monitoring personnel) in a P2P mode, and the NVR host provides routing communication capability. The card reader and the LED screen are in protocol communication with the GPS host through RS232 and RS485, and the GPS host is in charge of data communication with the background monitoring center gateway in a unified mode.
The special staff of the monitoring center is responsible for contacting with school bus drivers through the background monitoring center and issuing information to the vehicle-mounted terminal, the dispatching screen can pop up information issued by the dispatching center, meanwhile, text is converted into voice to be played, and voice talkback can be achieved through the GPS and the dispatching center.
When the vehicle meets an emergency, a driver presses an emergency button to trigger the semaphore, and the GPS host and the NVR host receive the semaphore. When the GPS receives the signal quantity, the central processing unit controls the LED display screen to display the SOS alarm state, and sends the vehicle state to the background monitoring center gateway to inform the gateway that the vehicle is in an emergency state, and the background monitoring center pops up the window for reminding. The NVR host receives the semaphore, the NVR host communicates with the camera through the internet access, and the camera uploads a video to the background monitoring center through a network channel provided by the NVR host.
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 terminal of GPS host computer, NVR host computer set installs in the below of access hole below platform department access hole, 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 according to the demand. The alarm switch is concealed when being installed and is convenient for a driver to trigger.
The dispatch screen can be installed in the driver's cabin through the mount pad and make things convenient for the place of driver's operation, 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, intercommunication vehicle-mounted terminal GPS 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 button starts to upload the monitoring video to the server under the emergency condition, so that the failure of evidence obtaining under the condition that the 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 (7)
1. The utility model provides a school bus intelligent monitoring system is LED to whole net, includes backstage surveillance center, vehicle mounted terminal, speed sensor, POS, dispatch screen, LED display screen and 1 at least camera, its characterized in that:
the vehicle-mounted terminal comprises a GPS host and an NVR host, wherein the GPS host is connected with a signal control unit, a vehicle speed sensor, a card swiping machine, a dispatching screen and an LED display screen and is used for acquiring vehicle positioning information, vehicle running state information and card swiping information;
the NVR host is used for network communication routing and video forwarding, and meanwhile, the running health of the camera is monitored;
the camera is used for acquiring driving video data;
the background monitoring center is used for positioning the vehicle according to the information reported by the vehicle, transmitting the current state of the vehicle to the user PC client, and performing character information issuing and line issuing and management and scheduling of the vehicle, the position and the video information on the vehicle.
2. The intelligent monitoring system of the whole-network school bus according to claim 1, wherein: the GPS host comprises:
the central processing unit is used for vehicle signal acquisition, data transmission, communication and control of other vehicle-mounted equipment;
the satellite positioning module is used for receiving GPS and Beidou satellite signals and positioning the position of the school bus in real time;
the communication module is used for data communication between the vehicle-mounted terminal and the background monitoring center gateway;
and the communication interface at least comprises three RS232 interfaces, one RS485 interface and one CAN interface.
3. The intelligent monitoring system of the whole-network school bus according to claim 2, wherein: the GPS host is respectively connected with the signal control unit, the card reader and the scheduling screen through the RS232 interface, the RS485 interface is connected with the LED display screen through the automotive connector, the CAN bus is connected with the vehicle, and the running state of the vehicle is acquired through the CAN bus.
4. The intelligent monitoring system of the whole-network school bus according to claim 2, wherein: the communication module adopts a 4G full-network communication module.
5. The intelligent monitoring system of the whole-network school bus according to claim 1, wherein: still include emergency button, emergency button connects the semaphore of NVR host computer and GPS host computer, the semaphore is received to the GPS host computer, and central processing unit control LED display screen shows the alarm state, and the notice gateway vehicle is in emergency, the semaphore is received to the NVR host computer, through net gape and camera communication, video to backstage surveillance center is uploaded to the camera.
6. The intelligent monitoring system of the whole-network school bus according to claim 1, wherein: the NVP host supports at most five paths of camera access, and the camera adopts high-definition digital signals.
7. The intelligent monitoring system of the whole-network school bus according to claim 1, wherein: the vehicle-mounted terminal, the dispatching screen, the LED display screen and the card swiping machine are independently powered and are connected with a vehicle power supply in four ways.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811635189.6A CN111385528A (en) | 2018-12-29 | 2018-12-29 | Intelligent monitoring system of whole-network-communication school bus |
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| CN201811635189.6A CN111385528A (en) | 2018-12-29 | 2018-12-29 | Intelligent monitoring system of whole-network-communication school bus |
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