CN201601788U - Audio-video remote real-time vehicle monitoring system based on 3G mobile communication network - Google Patents
Audio-video remote real-time vehicle monitoring system based on 3G mobile communication network Download PDFInfo
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- CN201601788U CN201601788U CN2009203185733U CN200920318573U CN201601788U CN 201601788 U CN201601788 U CN 201601788U CN 2009203185733 U CN2009203185733 U CN 2009203185733U CN 200920318573 U CN200920318573 U CN 200920318573U CN 201601788 U CN201601788 U CN 201601788U
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Abstract
The utility model discloses an audio-video remote real-time vehicle monitoring system based on a 3G mobile communication network, which comprises a remote monitoring center, a 3G mobile communication network and a vehicular terminal. The vehicular terminal includes a GPS satellite positioning unit, a 3G wireless data transmission unit, an instruction control unit, a storage management unit and a sound and video recording unit. The remote monitoring center sends instruction data to the vehicular terminal, the instruction control unit of the vehicular terminal analyses instruction parameters, the sound and video recording unit of the vehicular terminal receives configuration information including sound and video recording mode, sound and video recording channel selection, sound and video recording parameter setup and the like of sound and video recording, and starts video and audio coding superimposed with user information, digital watermark and GPS position information, and then the vehicular terminal sends audio-video data and GPS data to the remote monitoring center, thereby realizing the purpose of remote monitoring. The vehicle monitoring system has the advantages of positioning, long-hour video and sound recordings, and remote monitoring and control.
Description
Technical Field
The utility model relates to a long-range audio frequency and video of mobile communication control field and GPS field, specifically speaking mean to receive audio frequency and video data and GPS positional information that vehicle terminal sent and carry out a system monitored to remote vehicle through 3G wireless mobile communication network, make the user can master remote vehicle situation fast, reduce the uncertain factor that the information reception was not in time brought.
Background
With the development of society, people will pay more attention to the safety of the environment where the people are located, and the demand on a video monitoring system will be more urgent. By using advanced technical means, possible invasion behaviors are warned in a certain area range, relevant images are captured and recorded in time for the alarm, and meanwhile, the alarm place is determined, which are the places where the video monitoring system is large in display. At present, in the industries of urban public transport, long-distance passenger transport, traffic management, transport administration law enforcement, bank escort and the like, the demand on a vehicle-mounted video monitoring system is increasingly vigorous, especially, the application of 3G communication enables the remote wireless transmission of large-flow data to be more convenient, and based on the technology, the remote video monitoring system can be expanded in application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an audio and video remote real time monitoring vehicle system based on 3G mobile communication network, be based on 3G mobile communication network and GPS location technique, send audio and video data and GPS positional information for remote monitoring center by on-vehicle terminal to the realization is to remote vehicle real time monitoring's purpose.
The utility model provides a technical scheme that its technical problem adopted is: an audio and video remote real-time monitoring vehicle system based on a 3G mobile communication network comprises:
a remote monitoring center;
a 3G mobile communication network; and
the vehicle-mounted terminal carries out bidirectional data transmission with the remote monitoring center through a 3G mobile communication network;
wherein, this vehicle mounted terminal includes:
a GPS satellite positioning unit for receiving GPS position information from a GPS satellite;
the 3G wireless data transmission unit is used for connecting a 3G mobile communication network and realizing bidirectional wireless data transmission;
the instruction control unit analyzes and processes the input signal and outputs a control signal;
a storage management unit for storing data in an organized manner;
a recording and video recording unit, which sets a recording and video recording mode according to the control instruction, selects a recording and video recording channel, and sets a video system, a resolution, a frame rate and a code rate; starting an audio and video coding channel, carrying out H.264 coding on the obtained original image data, carrying out ADPCM coding on the original voice data, and superposing information of time, license plate number and vehicle speed;
the 3G wireless data transmission unit is connected with the 3G mobile communication network, the 3G wireless data transmission unit receives a control instruction downloaded by the remote monitoring center through the 3G mobile communication network, and the 3G wireless data transmission unit uploads audio and video data and GPS data of the vehicle-mounted terminal to the remote monitoring center through the 3G mobile communication network; the 3G wireless data transmission unit is connected with the instruction control unit, and sends the control instruction downloaded by the remote monitoring center to the instruction control unit and sends the information uploaded by the instruction control unit to the remote monitoring center; the output of the GPS satellite positioning unit is connected with the storage management unit, and the GPS satellite positioning unit stores the collected GPS information into the storage management unit; the instruction control unit is connected with the storage management unit and stores the data to be stored into the storage management unit and calls the data to be extracted from the storage management unit; the instruction control unit is connected with the audio and video recording unit and sends the analyzed control instruction to the audio and video recording unit; the recording unit is connected with the storage management unit and stores the audio and video data into the storage management unit; the audio and video recording unit is connected with the 3G wireless data transmission unit and uploads audio and video data and GPS data to the remote monitoring center through the 3G wireless data transmission unit.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network, in the monitor process:
the GPS satellite positioning unit of the vehicle-mounted terminal receives the GPS position signal of the current vehicle and sends the processed data to the storage management unit of the vehicle-mounted terminal, and the data is stored by the storage management unit of the vehicle-mounted terminal;
the remote monitoring center sends an audio and video monitoring instruction containing resolution, code rate, frame rate, channel setting, mobile image monitoring and video monitoring duration to the vehicle-mounted terminal;
the method comprises the following steps that a 3G wireless data transmission unit of a vehicle-mounted terminal receives an audio and video monitoring instruction sent by a remote monitoring center through a 3G mobile communication network and sends the audio and video monitoring instruction to an instruction control unit of the vehicle-mounted terminal;
the instruction control unit of the vehicle-mounted terminal analyzes the audio and video monitoring instruction and sends the analyzed audio and video monitoring instruction data to a video recording unit of the vehicle-mounted terminal, and the video recording unit sets a video recording mode according to the audio and video monitoring instruction data, selects a video recording channel and sets a video system, resolution, frame rate and code rate;
the method comprises the steps that a video recording unit of the vehicle-mounted terminal starts an audio and video coding channel, H.264 coding is carried out on obtained original image data, ADPCM coding is carried out on original voice data, time, license plate numbers, digital watermarks and GPS position information are superposed to obtain audio and video data, and then the audio and video data are respectively sent to a storage management unit of the vehicle-mounted terminal and a 3G wireless data transmission unit of the vehicle-mounted terminal;
a storage management unit of the vehicle-mounted terminal carries out storage management on the audio and video data;
and the 3G wireless data transmission unit of the vehicle-mounted terminal sends the audio and video data to the remote monitoring center through the 3G mobile communication network, and the remote monitoring center processes and displays the audio and video data in real time.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network, when the audio frequency and video data that the storage management unit of calling vehicle mounted terminal preserves in remote monitoring center carries out the process that the playback shows, this process includes:
the remote monitoring center sends an audio and video data calling instruction to the vehicle-mounted terminal;
the method comprises the following steps that a 3G wireless data transmission unit of a vehicle-mounted terminal receives an audio and video data calling instruction sent by a remote monitoring center through a 3G mobile communication network and sends the audio and video data calling instruction to an instruction control unit of the vehicle-mounted terminal;
the instruction control unit of the vehicle-mounted terminal processes the audio and video data calling instruction, calls audio and video data meeting the instruction requirement from the storage management unit of the vehicle-mounted terminal, and sends the audio and video data to the 3G wireless data transmission unit of the vehicle-mounted terminal;
and the 3G wireless data transmission unit of the vehicle-mounted terminal sends the audio and video data to the remote monitoring center through the 3G mobile communication network, and the remote monitoring center processes, plays back and displays the audio and video data.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network carries out the in-process of storage management to audio frequency and video data at vehicle mounted terminal's storage management unit, include as follows:
in the running process of the vehicle, the storage management unit stores the audio and video data processed by the video and audio recording unit in the SD card;
creating four storage directories chn 0-chn 3 in the SD card according to the video and audio recording channels respectively;
after a coding channel is started, simultaneously creating a video file and an index file under a corresponding storage directory, and naming according to a video recording mode, file creation date, time, a video system, resolution, code rate and frame rate respectively;
writing a video file immediately after acquiring a frame of video data each time, simultaneously adding an index node in the index file, and recording the acquisition time of the video frame, whether the video frame is a frame and the offset in the video file;
when long-time continuous video recording and sound recording are carried out, a file is stored every thirty minutes;
when the vehicle stops, scanning data files in a storage directory in the SD card, and creating the storage directory in the mobile hard disk according to a video recording mode and a file creation date in a file name;
copying the data files in the SD card to a corresponding storage directory in the mobile hard disk, naming the files by file creation time, and creating a file list of the current day;
after a video file is copied each time, a node is added in the file list, and the system, the resolution, the code rate, the frame rate, the starting time, the ending time and the file size of the video are recorded.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network has the function of location, long-time video recording, remote monitoring and control.
The beneficial effects of the utility model are that, owing to adopted the remote monitoring center, 3G mobile communication network and vehicle mounted terminal constitute the long-range real time monitoring vehicle system of audio frequency and video based on 3G mobile communication network, and carry out two-way data transfer through 3G mobile communication network between this vehicle mounted terminal and the remote monitoring center, and this vehicle mounted terminal then includes GPS satellite positioning unit, 3G wireless data transmission unit, instruction control unit, storage management unit and recording and videography unit, the remote monitoring center sends instruction data to vehicle mounted terminal, vehicle mounted terminal's instruction control unit carries out instruction parameter analysis, vehicle mounted terminal's recording videography unit receives the configuration information of recording videography, including recording mode, recording channel selection and recording parameter setting etc. then start-up video, speech encoding, and overlap and add user information, The vehicle-mounted terminal sends audio and video data and GPS data to the remote monitoring center, thereby realizing the purpose of remote monitoring. The utility model discloses can make the user acquire long-range vehicle situation fast directly perceivedly, avoid because a great deal of uncertain factor that the information acquisition delayed and caused to for the law enforcement department accurately knows the site conditions and provides scientific authoritative's foundation, give warning and suppression to taking place in the car and the criminal act of offence on every side, make people's property and personal safety obtain better guarantee.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the utility model discloses an audio and video remote real-time monitoring vehicle system based on 3G mobile communication network is not limited to the embodiment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In an embodiment, referring to the drawings, the utility model discloses an audio and video remote real-time monitoring vehicle system based on a 3G mobile communication network, which comprises a remote monitoring center 3, a vehicle-mounted terminal 1 and a 3G mobile communication network 2; and data transmission is realized between the remote monitoring center 3 and the vehicle-mounted terminal 1 through the 3G mobile communication network 2.
The vehicle-mounted terminal 1 comprises a GPS satellite positioning unit 11, a 3G wireless data transmission unit 12, an instruction control unit 13, a video and audio recording unit 15 and a storage management unit 14;
GPS satellite positioning unit 11: the GPS position signal processing unit is used for processing the received GPS position signal and sending the processed data to the storage management unit, so that the vehicle-mounted terminal can store the driving record of the vehicle;
3G wireless data transmission unit 12: the system is used for wireless data interaction between the vehicle-mounted terminal and the remote monitoring center, and can receive instructions from the remote monitoring center or send real-time audio and video and GPS data to the remote monitoring center;
the instruction control unit 13: receiving instruction data including resolution, code rate, frame rate, channel setting, moving image monitoring and video monitoring duration from the 3G wireless data transmission unit 12, and analyzing;
recording and sound-recording unit 15: receiving the parsed instruction data from the instruction control unit 13, setting a video recording mode, selecting a video recording channel, and setting a video format, a resolution, a frame rate, and a code rate; starting an audio and video coding channel, carrying out H.264 coding on the obtained original image data, carrying out ADPCM coding on the original voice data, superposing information such as time, license plate number, vehicle speed and the like, and adding digital watermark to ensure that the data is real and effective;
the storage management unit 14: performing storage management on data;
the 3G wireless data transmission unit 12 is connected with the 3G mobile communication network 2, the 3G wireless data transmission unit 12 receives a control instruction downloaded by the remote monitoring center 3 through the 3G mobile communication network 2, and the 3G wireless data transmission unit 12 uploads audio and video data and GPS data of the vehicle-mounted terminal to the remote monitoring center 3 through the 3G mobile communication network 2; the 3G wireless data transmission unit 12 is connected with the instruction control unit 13, and the 3G wireless data transmission unit 12 sends the control instruction downloaded by the remote monitoring center 3 to the instruction control unit 13 and sends the information uploaded by the instruction control unit 13 to the remote monitoring center 3; the output of the GPS satellite positioning unit 11 is connected with the storage management unit 14, and the GPS satellite positioning unit 11 stores the collected GPS information into the storage management unit 14; the instruction control unit 13 is connected with the storage management unit 14, and the instruction control unit 13 stores the data to be stored in the storage management unit 14 and calls the data to be extracted from the storage management unit 14; the instruction control unit 13 is connected with the audio and video recording unit 15, and the instruction control unit 13 sends the analyzed control instruction to the audio and video recording unit 15; the recording unit 15 is connected with the storage management unit 14, and the recording unit 15 stores the audio and video data into the storage management unit 14; the recording unit 15 is connected with the 3G wireless data transmission unit 12, and the recording unit 15 uploads the audio and video data and the GPS data to the remote monitoring center 3 through the 3G wireless data transmission unit 12.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network, in the monitor process:
the GPS satellite positioning unit 11 of the vehicle-mounted terminal receives the GPS position signal of the current vehicle, and sends the processed data to the storage management unit 14 of the vehicle-mounted terminal, and the processed data is stored by the storage management unit 14 of the vehicle-mounted terminal; after the vehicle-mounted terminal is powered on to work, the GPS satellite positioning unit 11 starts to work, receives GPS signals once per second, and sends processed data to the storage management unit 14 for the video and audio recording unit 15 to call;
the remote monitoring center 3 sends an audio and video monitoring instruction containing resolution, code rate, frame rate, channel setting, mobile image monitoring and video monitoring duration to the vehicle-mounted terminal 1; in a remote monitoring center system, according to a communication protocol established between a monitoring center 3 and a vehicle-mounted terminal 1, a control instruction is issued to the vehicle-mounted terminal 1 through a 3G mobile communication network 2;
the 3G wireless data transmission unit 12 of the vehicle-mounted terminal receives an audio and video monitoring instruction sent by the remote monitoring center 3 through the 3G mobile communication network 2 and sends the audio and video monitoring instruction to the instruction control unit 13 of the vehicle-mounted terminal;
the instruction control unit 13 of the vehicle-mounted terminal analyzes the audio and video monitoring instruction, and sends the analyzed audio and video monitoring instruction data to the video recording unit 15 of the vehicle-mounted terminal, and the video recording unit 15 sets a video recording mode according to the audio and video monitoring instruction data, selects a video recording channel and sets a video system, resolution, frame rate and code rate; after receiving the instruction data through the 3G wireless data transmission unit 12, the instruction control unit 13 of the vehicle-mounted terminal extracts configuration parameters according to a communication protocol, wherein the configuration parameters comprise video recording modes (startup video recording \ alarm video recording), video recording channels (0-3), video formats (PAL \ NTSC), resolutions (QCIF \ CIF \ HD1\ D1), frame rates (1-30 frames \ second) and code rates (16K-2M bits \ second); the video and audio recording unit 15 performs corresponding setting according to the acquired configuration parameters;
the video recording unit 15 of the vehicle-mounted terminal starts an audio and video coding channel, performs H.264 coding on the obtained original image data, performs ADPCM coding on the original voice data, and obtains audio and video data after overlapping time, license plate number, digital watermark and GPS position information, and then respectively sends the audio and video data to the storage management unit 14 of the vehicle-mounted terminal and the 3G wireless data transmission unit 12 of the vehicle-mounted terminal; the video recording unit 15 starts an audio and video coding channel, the audio supports 0-3 four paths of coding at most, the video supports 0-7 eight paths of coding at most, wherein the channels 0, 2, 4 and 6 are used for storing video data locally, and the channels 1, 3, 5 and 7 are used for wirelessly transmitting the video data; the encoding channel carries out H.264 encoding on the obtained original image data, carries out ADPCM encoding on the original voice data, superposes user information and GPS information and carries out watermarking;
the storage management unit 14 of the vehicle-mounted terminal performs storage management on the audio and video data;
the 3G wireless data transmission unit 12 of the vehicle-mounted terminal sends the audio and video data to the remote monitoring center 3 through the 3G mobile communication network 2, and the remote monitoring center 3 processes and displays the audio and video data in real time.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network, the audio frequency and video data that storage management unit 14 of taking vehicle mounted terminal at remote monitoring center 3 preserved carry out the in-process that the playback shows, this process includes:
the remote monitoring center 3 sends an audio and video data calling instruction to the vehicle-mounted terminal 1;
the 3G wireless data transmission unit 12 of the vehicle-mounted terminal receives an audio and video data calling instruction sent by the remote monitoring center 3 through the 3G mobile communication network 2 and sends the audio and video data calling instruction to the instruction control unit 13 of the vehicle-mounted terminal;
the instruction control unit 13 of the vehicle-mounted terminal processes the audio and video data calling instruction, calls audio and video data meeting the instruction requirement from the storage management unit 14 of the vehicle-mounted terminal, and sends the audio and video data to the 3G wireless data transmission unit 12 of the vehicle-mounted terminal;
the 3G wireless data transmission unit 12 of the vehicle-mounted terminal sends the audio and video data to the remote monitoring center 3 through the 3G mobile communication network 2, and the remote monitoring center 3 processes, plays back and displays the audio and video data.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network carries out the in-process of storage management at vehicle mounted terminal's storage management unit 14 to audio frequency and video data, include as follows:
in the running process of the vehicle, the storage management unit 14 stores the audio and video data processed by the video and audio recording unit 15 in the SD card;
creating four storage directories chn 0-chn 3 in the SD card according to the video and audio recording channels respectively;
after a coding channel is started, simultaneously creating a video file and an index file under a corresponding storage directory, and naming according to a video recording mode, file creation date, time, a video system, resolution, code rate and frame rate respectively; such as: AlARM-2009-04-20-08:30:00-0-1-16000-25.h264 and AlARM-2009-04-20-08:30: 00-0-16000-25. index, respectively represent a PAL system, a CIF format, an AlARM video and an index with 16 Kbit \ s, and 25 frames \ s, recorded in twenty minutes in the morning of April for two zero and nine years;
writing a video file immediately after acquiring a frame of video data each time, simultaneously adding an index node in the index file, and recording the acquisition time of the video frame, whether the video frame is a frame and the offset in the video file;
when long-time continuous video recording and sound recording are carried out, a file is stored every thirty minutes;
when the vehicle stops, scanning data files in a storage directory in the SD card, and creating the storage directory in the mobile hard disk according to a video recording mode and a file creation date in a file name; the file as described in a2 needs to create a storage directory with a path of "AlARM \2009\04\ 20";
copying the data files in the SD card to a corresponding storage directory in the mobile hard disk, naming the files by file creation time, and creating a file list of the current day; the files as described in A2 are stored in the mobile hard disk as 08:30:00.h264 and 08:30:00. index. Simultaneously creating a file list VideoFileList of the current day;
after a video file is copied each time, a node is added in the file list, and the system, the resolution, the code rate, the frame rate, the starting time, the ending time and the file size of the video are recorded.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network has the function of location, long-time video recording, remote monitoring and control.
The utility model discloses an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network, during real time monitoring, every passageway reads a frame data, adds identification information such as channel number according to communication protocol, constitutes a data packet and carries out wireless transmission through 3G mobile communication network; when the channel frame rates are not uniform, not every channel has data at the same time, so that each data packet does not contain four frames of image data. When locally stored data are transmitted, firstly, the data in the SD card are all copied to the mobile hard disk, then corresponding storage directories are found according to a video and audio channel, a video and audio mode and date, then specific positions of the required data are obtained according to comparison of time information, a file list and an index file, and the data are transmitted through a wireless network.
The above-mentioned embodiment only is used for further explaining the utility model discloses an audio frequency and video remote real-time monitoring vehicle system based on 3G mobile communication network, nevertheless the utility model discloses do not confine the embodiment to, all be the basis the utility model discloses a technical entity is to any simple modification, the equivalent change and the decoration of making of above embodiment, all fall into the utility model discloses technical scheme's within the protection scope.
Claims (1)
1. The utility model provides an audio frequency and video remote real time monitoring vehicle system based on 3G mobile communication network which characterized in that: the method comprises the following steps:
a remote monitoring center;
a 3G mobile communication network; and
the vehicle-mounted terminal carries out bidirectional data transmission with the remote monitoring center through a 3G mobile communication network;
wherein,
the vehicle-mounted terminal includes:
a GPS satellite positioning unit for receiving GPS position information from a GPS satellite;
the 3G wireless data transmission unit is connected with the 3G mobile communication network and realizes bidirectional wireless data transmission;
the instruction control unit analyzes and processes the input signal and outputs a control signal;
a storage management unit for storing data in an organized manner;
a recording and video recording unit, which sets a recording and video recording mode according to the control instruction, selects a recording and video recording channel, and sets a video system, a resolution, a frame rate and a code rate; starting an audio and video coding channel, carrying out H.264 coding on the obtained original image data, carrying out ADPCM coding on the original voice data, and superposing information of time, license plate number and vehicle speed;
the 3G wireless data transmission unit is connected with the 3G mobile communication network, the 3G wireless data transmission unit receives a control instruction downloaded by the remote monitoring center through the 3G mobile communication network, and the 3G wireless data transmission unit uploads audio and video data and GPS data of the vehicle-mounted terminal to the remote monitoring center through the 3G mobile communication network; the 3G wireless data transmission unit is connected with the instruction control unit, and sends the control instruction downloaded by the remote monitoring center to the instruction control unit and sends the information uploaded by the instruction control unit to the remote monitoring center; the output of the GPS satellite positioning unit is connected with the storage management unit, and the GPS satellite positioning unit stores the collected GPS information into the storage management unit; the instruction control unit is connected with the storage management unit and stores the data to be stored into the storage management unit and calls the data to be extracted from the storage management unit; the instruction control unit is connected with the audio and video recording unit and sends the analyzed control instruction to the audio and video recording unit; the recording unit is connected with the storage management unit and stores the audio and video data into the storage management unit; the audio and video recording unit is connected with the 3G wireless data transmission unit and uploads audio and video data and GPS data to the remote monitoring center through the 3G wireless data transmission unit.
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| CN2009203185733U CN201601788U (en) | 2009-12-25 | 2009-12-25 | Audio-video remote real-time vehicle monitoring system based on 3G mobile communication network |
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| CN2009203185733U CN201601788U (en) | 2009-12-25 | 2009-12-25 | Audio-video remote real-time vehicle monitoring system based on 3G mobile communication network |
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| CN102685459A (en) * | 2012-05-16 | 2012-09-19 | 陕西北斗恒通信息科技有限公司 | Ambulance vehicle-mounted third generation (3G) wireless video monitoring device and monitoring method thereof |
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