CN103942958A - Method for detecting whether collision or rollover occurs on school buses or not in real time and automatically giving alarm - Google Patents
Method for detecting whether collision or rollover occurs on school buses or not in real time and automatically giving alarm Download PDFInfo
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Abstract
The invention discloses a method for detecting whether collision or rollover occurs on school buses or not in real time and automatically giving an alarm. The method is implemented through bus-mounted terminals, monitoring terminals and a server. Each bus-mounted terminal comprises a 3G communication module, a GPS positioning module, a three-axis acceleration sensor and a three-axis tilt angle sensor. The method comprises the server control step, the bus-mounted terminal control step and the monitoring terminal control step. The bus-mounted terminals are installed on the multiple school buses respectively, the deceleration and tilt angles of the school buses are obtained in real time through the three-axis acceleration sensors and the three-axis tilt angle sensors, and whether the collision or rollover occurs on the current school bus or not is detected, the collision or rollover phenomenon is reported to the server if occurring, then the corresponding school bus which has an accident is accurately positioned, a voice alarm is given, and school bus information is displayed. The method is convenient to use, easy to implement and high in intelligent degree, and can monitor the school bus accident in real time, and a rescue can be rapidly organized to save lives if an accident occurs.
Description
Technical field
The present invention relates to a kind of method for supervising of driving of school bus state, specifically, relate to whether a kind of real-time detection school bus occurs to collide or the also method of automatic alarm of rollover, belong to electronic technology field.
Background technology
Universal along with school bus in recent years, the accident of school bus is also constantly to have emerged in large numbers out, school bus is collided, rollover event has brought great injury to many families, causes the great attention of various places government and State Council.For safety of school bus, should improve constantly school bus quality on the one hand, and on the other hand due to the sudden and Unpredictability of accident, in the time that school bus has an accident, can find and organize the particularly important of rescue change the very first time.The system that school bus was collided, turned on one's side detection in real time and reports to the police to control and command center, will play great effect to timely tissue rescue and redemption life.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, provide a kind of real-time detection school bus whether to occur to collide or the also method of automatic alarm of rollover, convenient and simple for operation, intelligent degree is high, be convenient to realize the real-time monitoring that school bus accident is occurred, to timely tissue rescue and redemption life be played to great effect, application value is high.
For solving above technical matters, the present invention is by the following technical solutions: a kind of real-time detection school bus is collided or the method for rollover automatic alarm, realize by car-mounted terminal, monitor terminal and server, car-mounted terminal comprises 3G communication module, GPS locating module, 3-axis acceleration sensor and three axial rake sensors, it is characterized in that: described method comprises server controls step, car-mounted terminal control step and monitor terminal control step;
Described car-mounted terminal control step comprises:
Flow process starts from step S101;
At step S102, obtain longitude and latitude coordinate by GPS locating module, then enter step S103;
At step S013, obtain X-axis retarded velocity by 3-axis acceleration sensor module, then enter step S104;
At step S104, judge that whether X-axis retarded velocity is more than or equal to default collision retarded velocity threshold value, if yes then enter step S105, otherwise enters step S106;
At step S105, set up network by 3G communication module and server and be connected, the data upload of collision event is arrived to server; The data of uploading comprise: collision event, at intrasystem coding, school bus car-mounted terminal unique number, longitude and latitude coordinate, is then returned to step S102;
In step 106, the inclination angle that obtains Y-axis by three axial rake sensors, then enters step S107;
At step S107, judge that whether Y-axis inclination angle is less than default rollover detection angles threshold value, if enter step S108, otherwise enters step S109;
At step S108, setting up network by 3G communication module and server is connected, by the data upload of rollover event, to server, the data of uploading comprise: rollover event, at intrasystem coding, school bus car-mounted terminal unique number, longitude and latitude coordinate, then turns back to step S102;
At step S109, judge whether to receive the event that exits detection, if enter step S110, otherwise turn back to step S102;
Flow process ends at step S110.
Further, described server controls step comprises:
Flow process starts from step S201;
At step S202, server enters interception request state, waits for car-mounted terminal, monitor terminal and spontaneous request, enters step S203 after receiving request;
At step S203, determine whether monitor terminal registration request, if enter step S204, otherwise enter step S205;
At step S204, the network of monitor terminal is connected and added in monitor terminal list MonitorList, use in the time that monitor terminal sends collision or rollover event in order to server, then return to step S202;
At step S205, determine whether asking for instructions of the event of turning on one's side, if enter step S206, otherwise enter step S208;
At step S206, the data of rollover event are recorded in database, data comprise longitude and latitude coordinate, car-mounted terminal unique number, data receiver time, then enter step S207;
At step S207, send rollover message to the whole monitor terminals that record in monitor terminal list MonitorList, whether when transmission, need to first detect server is connected and still can uses with the network of monitor terminal, disabledly from MonitorList, delete, the transmission rollover message that still can use, license plate number, Pilot Name and phone, affiliated school, the unit of operation of this school bus that message data comprises school bus longitude and latitude coordinate, obtain from database according to car-mounted terminal unique number, then return to step S202;
At step S208, judge whether it is collision event request, if enter step S209, otherwise enter step S211;
At step S209, the data of collision event are recorded in database, data comprise longitude and latitude coordinate, car-mounted terminal unique number, data receiver time, then enter step S210;
At step S210, send collision message to the whole monitor terminals that record in monitor terminal list MonitorList, whether when transmission, need to first detect server is connected and still can uses with the network of monitor terminal, disabledly from MonitorList, delete, the transmission collision message that still can use, license plate number, Pilot Name and phone, affiliated school, the unit of operation of this school bus that message data comprises school bus longitude and latitude coordinate, obtain from database according to car-mounted terminal unique number, then return to step S202;
At step S211, determine whether monitor terminal de-registration request, if enter step S212, otherwise enter step S213;
At step S212, this monitor terminal is connected from monitor terminal list MonitorList and is deleted with the network of server, then return to step S202;
At step S213, judge whether to receive the event that exits oracle listener, if enter step S214, otherwise return to step S202;
Flow process ends at step S214.
Further, described monitor terminal control step is as follows:
Flow process starts from step S301;
At step S302, send monitoring registration request to server, set up network with server and be connected, need to monitor and collide and rollover event with this monitor terminal of notification server, then enter step S303;
At step S303, judge whether with server successful connection and be successfully registered as collision and the monitor terminal of rollover event, enter step S304 if succeeded in registration, otherwise enter step S305;
At step S305, the prompting unsuccessful message of registration and reason, then enter step S314;
At step S304, monitor terminal enters monitoring information state, waits for that event message or user that reception server sends send exit message, enter step S306 after receiving message;
At step S306, determine whether the message of colliding, if enter step S307, otherwise enter S309;
At step S307, play chimes of doom and according to the school bus position that mark is collided in map of the longitude and latitude coordinate in collision message, then enter step S308;
At step S308, show the included school bus information of collision message, then turn back to step S304;
At step S309, determine whether the message of turning on one's side, if enter step S310, otherwise enter step S312;
At step S310, play chimes of doom and according to the longitude and latitude coordinate school bus position that mark overturns in map in rollover message, then enter step S311;
At step S312, determine whether the message that quits a program, if enter step S313, otherwise turn back to step S304;
At step S313, send de-registration request to server, do not need to receive again with this monitor terminal of announcement server and collide with rollover event and close network and be connected, then enter step S314.
Flow process ends at step S314.
The present invention adopts after above technical scheme, compared with prior art, have the following advantages: car-mounted terminal is contained in respectively on many school buses, in the time of start, be connected to public network by 3G communication module, by GPS locating module Real-time Obtaining school bus current location, by retarded velocity and the inclination angle of 3-axis acceleration sensor and obliquity sensor Real-time Obtaining school bus, detect current school bus and whether upset occurs or clash into, if the situation that upset occurs or clash into reports server.Server can be separate unit server or the server farm operating on public network, be mainly used to store the school bus essential information of school bus and driver's information, and be responsible for collision that car-mounted terminal is reported or rollover event and this school bus information and be together distributed to each monitor terminal.Monitor terminal is the common computer with large monitoring screen, be used for reception server send collision or rollover event and school bus information, and the school bus that accurately location has an accident, send voice alarm, show school bus information, easy to use, simple to operate, intelligent degree is high, be convenient to realize the real-time monitoring that school bus accident is occurred, occur to organize immediately rescue to save life if any accident.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Brief description of the drawings
Accompanying drawing 1 is the sequence chart of car-mounted terminal in the embodiment of the present invention, monitor terminal and server;
Accompanying drawing 2 is process flow diagrams of car-mounted terminal control step in the embodiment of the present invention;
Accompanying drawing 3 is process flow diagrams of server controls step in the embodiment of the present invention;
Accompanying drawing 4 is process flow diagrams of monitor terminal control step in the embodiment of the present invention.
Embodiment
Embodiment, whether a kind of real-time detection school bus occurs to collide or the also method of automatic alarm of rollover, realizes by car-mounted terminal, monitor terminal and server.Car-mounted terminal is the embedded system that uses ARM11 microprocessor, comprises 3G communication module, GPS locating module, 3-axis acceleration sensor and three axial rake sensor assemblies.The method comprises server controls step, car-mounted terminal control step and monitor terminal control step.
Collide and detect principle:
Because vehicle is at brake deceleration or in the time colliding, capital produces retarded velocity, even but the retarded velocity that vehicle produces in the time of brake hard is also the retarded velocity that produces while being less than positive collision, the maximum deceleration of vehicle in the time of brake hard is to be less than 8 meter per seconds 2, so this is worth as collision retarded velocity threshold value, collides exactly if retarded velocity is more than or equal to this value.3-axis acceleration sensor is fixed on school bus, makes in Y-axis, X axis school head, Z-axis direction school bus side, the retarded velocity of X-axis has just been reacted the retarded velocity of school bus.
Rollover detects principle:
Three axial rake sensors are fixed on school bus, make in Y-axis, X axis school head, Z-axis direction school bus side, now the angle of the each axle of sensor should be X:0 degree, Y:90 degree, Z:0 degree.In the time that school bus is turned on one's side, the angle of each axle should be: X:0 degree, Y:0 degree, Z:90 or-90 degree.In the time that school bus stands upside down, the angle of each axle should be: X:0 degree, Y:-90 degree, Z:0 degree.Known as long as just can know whether and turn on one's side according to the variation of Y-axis according to analyzing, preset so the detection angles threshold value of turning on one's side as 45 degree, if Y-axis is less than 45 degree, just can think that school bus hand over and turn on one's side.
Before use, first carry out data beginningization step:
1. the man-machine interface being connected on server by network is added car-mounted terminal information, comprise school bus license plate number, Pilot Name and phone, with car administrator name and phone, affiliated school, unit of operation, data are stored in the car-mounted terminal record of server database, and automatically produce unique terminal number and carry out unique identification;
2. school bus car-mounted terminal numbering is preset as to unique terminal number corresponding in server.
3. be the default detected parameters of school bus car-mounted terminal, collide and detect the retarded velocity threshold value (being defaulted as 8 meter per seconds 2) using, the angle threshold (being defaulted as 45 degree) that rollover detection is used.
As shown in Figure 1, the interaction flow of car-mounted terminal, monitor terminal and server:
The 1st step, monitor terminal is submitted the request of registration monitor terminal to server, sets up and is connected with the network of server;
The 2nd step, server will be connected and add monitor terminal list to the network of monitor terminal, and whether the request of replying monitor terminal succeeds in registration;
The 3rd step, whether car-mounted terminal detects to have and collides or rollover generation;
The 4th step, car-mounted terminal sends and collides or rollover message to server in the time occurring to collide or turn on one's side, and message has comprised vehicle-mounted event classification numbering, car-mounted terminal unique number, latitude and longitude coordinates in system;
The 5th step, server receives after message, and whether related data in event is recorded in data and to car-mounted terminal and returns and successfully receive;
The 6th step, server obtains the information of school bus from database according to car-mounted terminal unique number, and school bus information comprises: license plate number, affiliated school, unit of operation, Pilot Name and phone, with licence pipe person name and phone;
The 7th step, server will send the school bus information of colliding or turning on one's side message and getting from database to monitor terminal;
The 8th step, after monitor terminal receives event data, whether return service device successfully receives;
The 9th step, monitor terminal is play in audio warning the map on monitoring giant-screen and is located school bus, shows school bus relevant information.
As shown in Figure 2, car-mounted terminal control step comprises:
Flow process starts from step S101;
At step S102, obtain longitude and latitude coordinate by GPS locating module, then enter step S103;
At step S013, obtain X-axis retarded velocity by 3-axis acceleration sensor module, then enter step S104;
At step S104, judge that whether X-axis retarded velocity is more than or equal to default collision retarded velocity threshold value, if yes then enter step S105, otherwise enters step S106;
At step S105, set up network by 3G communication module and server and be connected, the data upload of collision event is arrived to server; The data of uploading comprise: collision event, at intrasystem coding (collision is E101, and rollover is E102), school bus car-mounted terminal unique number, longitude and latitude coordinate, is then returned to step S102;
In step 106, the inclination angle that obtains Y-axis by three axial rake sensors, then enters step S107;
At step S107, judge that whether Y-axis inclination angle is less than default rollover detection angles threshold value, if enter step S108, otherwise enters step S109;
At step S108, setting up network by 3G communication module and server is connected, the data upload of rollover event is arrived to server, the data of uploading comprise: at intrasystem coding, (collision is E101 to rollover event, rollover is E102), school bus car-mounted terminal unique number, longitude and latitude coordinate, then turn back to step S102;
At step S109, judge whether to receive the event that exits detection, if enter step S110, otherwise turn back to step S102;
Flow process ends at step S110.
As shown in Figure 3, server controls step comprises:
Flow process starts from step S201;
At step S202, server enters interception request state, waits for car-mounted terminal, monitor terminal and spontaneous request, enters step S203 after receiving request;
At step S203, determine whether monitor terminal registration request, if enter step S204, otherwise enter step S205;
At step S204, the network of monitor terminal is connected and added in monitor terminal list MonitorList, use in the time that monitor terminal sends collision or rollover event in order to server, then return to step S202;
At step S205, determine whether asking for instructions of the event of turning on one's side, if enter step S206, otherwise enter step S208;
At step S206, the data of rollover event are recorded in database, data comprise longitude and latitude coordinate, car-mounted terminal unique number, data receiver time, then enter step S207;
At step S207, send rollover message to the whole monitor terminals that record in monitor terminal list MonitorList, whether when transmission, need to first detect server is connected and still can uses with the network of monitor terminal, disabledly from MonitorList, delete, the transmission rollover message that still can use, license plate number, Pilot Name and phone, affiliated school, the unit of operation of this school bus that message data comprises school bus longitude and latitude coordinate, obtain from database according to car-mounted terminal unique number, then return to step S202;
At step S208, judge whether it is collision event request, if enter step S209, otherwise enter step S211;
At step S209, the data of collision event are recorded in database, data comprise longitude and latitude coordinate, car-mounted terminal unique number, data receiver time, then enter step S210;
At step S210, send collision message to the whole monitor terminals that record in monitor terminal list MonitorList, whether when transmission, need to first detect server is connected and still can uses with the network of monitor terminal, disabledly from MonitorList, delete, the transmission collision message that still can use, license plate number, Pilot Name and phone, affiliated school, the unit of operation of this school bus that message data comprises school bus longitude and latitude coordinate, obtain from database according to car-mounted terminal unique number, then return to step S202;
At step S211, determine whether monitor terminal de-registration request.If enter step S212, otherwise enter step S213;
At step S212, this monitor terminal is connected from monitor terminal list MonitorList and is deleted with the network of server, then return to step S202;
At step S213, judge whether to receive the event that exits oracle listener, if enter step S214, otherwise return to step S202;
Flow process ends at step S214.
As shown in Figure 4, monitor terminal control step is as follows:
Flow process starts from step S301;
At step S302, send monitoring registration request to server, set up network with server and be connected, need to monitor and collide and rollover event with this monitor terminal of notification server, then enter step S303;
At step S303, judge whether with server successful connection and be successfully registered as collision and the monitor terminal of rollover event, enter step S304 if succeeded in registration, otherwise enter step S305;
At step S305, the prompting unsuccessful message of registration and reason, then enter step S314;
At step S304, monitor terminal enters monitoring information state, waits for that event message or user that reception server sends send exit message, enter step S306 after receiving message;
At step S306, determine whether the message of colliding, if enter step S307, otherwise enter S309;
At step S307, play chimes of doom and according to the school bus position that mark is collided in map of the longitude and latitude coordinate in collision message, then enter step S308;
At step S308, show the included school bus information of collision message, then turn back to step S304;
At step S309, determine whether the message of turning on one's side.If enter step S310, otherwise enter step S312;
At step S310, play chimes of doom and according to the longitude and latitude coordinate school bus position that mark overturns in map in rollover message, then enter step S311;
At step S312, determine whether the message that quits a program, if enter step S313, otherwise turn back to step S304;
At step S313, send de-registration request to server, do not need to receive again with this monitor terminal of announcement server and collide with rollover event and close network and be connected, then enter step S314;
Flow process ends at step S314.
The above is giving an example of best mode for carrying out the invention, and the part of wherein not addressing is in detail those of ordinary skill in the art's common practise.Protection scope of the present invention is as the criterion with the content of claim, and any equivalent transformation carrying out based on technology enlightenment of the present invention, also within protection scope of the present invention.
Claims (3)
1. one kind is detected whether school bus occurs to collide or the also method of automatic alarm of rollover in real time, realize by car-mounted terminal, monitor terminal and server, car-mounted terminal comprises 3G communication module, GPS locating module, 3-axis acceleration sensor and three axial rake sensors, it is characterized in that: described method comprises server controls step, car-mounted terminal control step and monitor terminal control step;
Described car-mounted terminal control step comprises:
Flow process starts from step S101;
At step S102, obtain longitude and latitude coordinate by GPS locating module, then enter step S103;
At step S013, obtain X-axis retarded velocity by 3-axis acceleration sensor module, then enter step S104;
At step S104, judge that whether X-axis retarded velocity is more than or equal to default collision retarded velocity threshold value, if yes then enter step S105, otherwise enters step S106;
At step S105, set up network by 3G communication module and server and be connected, the data upload of collision event is arrived to server; The data of uploading comprise: collision event, at intrasystem coding, school bus car-mounted terminal unique number, longitude and latitude coordinate, is then returned to step S102;
In step 106, the inclination angle that obtains Y-axis by three axial rake sensors, then enters step S107;
At step S107, judge that whether Y-axis inclination angle is less than default rollover detection angles threshold value, if enter step S108, otherwise enters step S109;
At step S108, setting up network by 3G communication module and server is connected, by the data upload of rollover event, to server, the data of uploading comprise: rollover event, at intrasystem coding, school bus car-mounted terminal unique number, longitude and latitude coordinate, then turns back to step S102;
At step S109, judge whether to receive the event that exits detection, if enter step S110, otherwise turn back to step S102;
Flow process ends at step S110.
2. whether real-time detection school bus as claimed in claim 1 occurs to collide or the also method of automatic alarm of rollover, it is characterized in that: described server controls step comprises:
Flow process starts from step S201;
At step S202, server enters interception request state, waits for car-mounted terminal, monitor terminal and spontaneous request, enters step S203 after receiving request;
At step S203, determine whether monitor terminal registration request, if enter step S204, otherwise enter step S205;
At step S204, the network of monitor terminal is connected and added in monitor terminal list MonitorList, use in the time that monitor terminal sends collision or rollover event in order to server, then return to step S202;
At step S205, determine whether asking for instructions of the event of turning on one's side, if enter step S206, otherwise enter step S208;
At step S206, the data of rollover event are recorded in database, data comprise longitude and latitude coordinate, car-mounted terminal unique number, data receiver time, then enter step S207;
At step S207, send rollover message to the whole monitor terminals that record in monitor terminal list MonitorList, whether when transmission, need to first detect server is connected and still can uses with the network of monitor terminal, disabledly from MonitorList, delete, the transmission rollover message that still can use, license plate number, Pilot Name and phone, affiliated school, the unit of operation of this school bus that message data comprises school bus longitude and latitude coordinate, obtain from database according to car-mounted terminal unique number, then return to step S202;
At step S208, judge whether it is collision event request, if enter step S209, otherwise enter step S211;
At step S209, the data of collision event are recorded in database, data comprise longitude and latitude coordinate, car-mounted terminal unique number, data receiver time, then enter step S210;
At step S210, send collision message to the whole monitor terminals that record in monitor terminal list MonitorList, whether when transmission, need to first detect server is connected and still can uses with the network of monitor terminal, disabledly from MonitorList, delete, the transmission collision message that still can use, license plate number, Pilot Name and phone, affiliated school, the unit of operation of this school bus that message data comprises school bus longitude and latitude coordinate, obtain from database according to car-mounted terminal unique number, then return to step S202;
At step S211, determine whether monitor terminal de-registration request, if enter step S212, otherwise enter step S213;
At step S212, this monitor terminal is connected from monitor terminal list MonitorList and is deleted with the network of server, then return to step S202;
At step S213, judge whether to receive the event that exits oracle listener, if enter step S214, otherwise return to step S202;
Flow process ends at step S214.
3. whether real-time detection school bus as claimed in claim 1 occurs to collide or the also method of automatic alarm of rollover, it is characterized in that: described monitor terminal control step is as follows:
Flow process starts from step S301;
At step S302, send monitoring registration request to server, set up network with server and be connected, need to monitor and collide and rollover event with this monitor terminal of notification server, then enter step S303;
At step S303, judge whether with server successful connection and be successfully registered as collision and the monitor terminal of rollover event, enter step S304 if succeeded in registration, otherwise enter step S305;
At step S305, the prompting unsuccessful message of registration and reason, then enter step S314;
At step S304, monitor terminal enters monitoring information state, waits for that event message or user that reception server sends send exit message, enter step S306 after receiving message;
At step S306, determine whether the message of colliding, if enter step S307, otherwise enter S309;
At step S307, play chimes of doom and according to the school bus position that mark is collided in map of the longitude and latitude coordinate in collision message, then enter step S308;
At step S308, show the included school bus information of collision message, then turn back to step S304;
At step S309, determine whether the message of turning on one's side, if enter step S310, otherwise enter step S312;
At step S310, play chimes of doom and according to the longitude and latitude coordinate school bus position that mark overturns in map in rollover message, then enter step S311;
At step S312, determine whether the message that quits a program, if enter step S313, otherwise turn back to step S304;
At step S313, send de-registration request to server, do not need to receive again with this monitor terminal of announcement server and collide with rollover event and close network and be connected, then enter step S314;
Flow process ends at step S314.
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| CN104504903A (en) * | 2014-12-31 | 2015-04-08 | 北京赛维安讯科技发展有限公司 | Traffic incident acquiring device and method and traffic incident monitoring system and method |
| CN105069999A (en) * | 2015-08-13 | 2015-11-18 | 成都路行通信息技术有限公司 | Vehicle collision alarm detection method and processing system |
| CN105150872A (en) * | 2015-09-15 | 2015-12-16 | 福州市智聚物联科技有限公司 | Pure electric vehicle system capable of improving vehicle traffic safety |
| CN108025695A (en) * | 2016-03-30 | 2018-05-11 | 马自达汽车株式会社 | Vehicle emergency communicator |
| CN109218074A (en) * | 2018-07-25 | 2019-01-15 | 广州小鹏汽车科技有限公司 | A kind of automobile emergency event remote notification method and system |
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| CN111063210A (en) * | 2019-12-26 | 2020-04-24 | 广东星舆科技有限公司 | Vehicle monitoring method and device based on high-precision positioning |
| CN112954663A (en) * | 2020-12-25 | 2021-06-11 | 北京骑胜科技有限公司 | Rescue flow triggering method and device, server and vehicle |
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