CN103401996B - Real-time data transmission system and method in a kind of car networking - Google Patents
Real-time data transmission system and method in a kind of car networking Download PDFInfo
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- CN103401996B CN103401996B CN201310295075.2A CN201310295075A CN103401996B CN 103401996 B CN103401996 B CN 103401996B CN 201310295075 A CN201310295075 A CN 201310295075A CN 103401996 B CN103401996 B CN 103401996B
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Abstract
The invention discloses real-time data transmission system and method in the networking of a kind of car, comprising: in-vehicle navigation apparatus: described in-vehicle navigation apparatus has the central processing unit of deal with data; RAM (random access memory) card: described RAM (random access memory) card is connected by USB interface with in-vehicle navigation apparatus, has USB driver, WIFI driver and service entry program in RAM (random access memory) card; PTT terminal: described PTT terminal is connected by USB interface with in-vehicle navigation apparatus, and PTT terminal is provided with WIFI module; Mobile phone: described mobile phone has 2G or 3G module and mobile phone WIFI module, described mobile phone is connected with the communication of PTT terminal wireless; Service background: described service background is connected with mobile communication by 2G or 3G network.Real-time property is transmitted in the present invention, reliability is high, easy to use, meets the demand of the obtaining information of user's real-time high-efficiency.
Description
Technical field
The present invention relates to a kind of vehicle-mounted data transmission system and method, in particular real-time data transmission system and method in a kind of car networking.
Background technology
Along with the development of science and technology, automobile is more and more universal, kind and the function of mobile unit also get more and more, comprising navigation, monitoring, antitheft and multimedia recreation etc., existing mobile unit needs to obtain real-time data message in use, such as navigator needs to obtain real-time traffic information to facilitate user's selecting paths, also needs to obtain the real time information such as Weather information simultaneously.There is following problem in existing vehicle-mounted data transmission system: on the one hand, poor real, can not obtain real time information fast to meet consumers' demand; On the other hand, data reliability is transmitted low; Existing vehicle-mounted data transmission system complicated operation simultaneously, interactivity is poor.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
Real-time data transmission system and method in the object of the present invention is to provide a kind of car to network, be intended to the poor real solving existing vehicle-mounted data transmission system, transmission data reliability is low and interactivity is poor, can not meet the technical problem of quick, the reliable and easy to operate demand of user.
Technical scheme of the present invention is as follows: real-time data transmission system in a kind of car networking, wherein, comprising:
In-vehicle navigation apparatus: described in-vehicle navigation apparatus has the central processing unit of deal with data;
RAM (random access memory) card: described RAM (random access memory) card is connected by USB interface with in-vehicle navigation apparatus, has USB driver, WIFI driver and service entry program in RAM (random access memory) card;
PTT terminal: described PTT terminal is connected by USB interface with in-vehicle navigation apparatus, and PTT terminal is provided with WIFI module;
Mobile phone: described mobile phone has 2G or 3G module and mobile phone WIFI module, described mobile phone is connected with the communication of PTT terminal wireless;
Service background: described service background is connected with mobile communication by 2G or 3G network.
Real-time data transmission system in described car networking, is characterized in that, in described car networking, real-time data transmission system also comprises loudspeaker, microphone and audio codec, and described loudspeaker are connected with audio codec respectively with microphone; Described in-vehicle navigation apparatus is built-in with audio-frequency module, and described audio codec is connected with the audio-frequency module communication in in-vehicle navigation apparatus.
Real-time data transmission system in described car networking, wherein, described PTT terminal also comprises usb hub module.
Real-time data transmission system in described car networking, wherein, described service entrance programming has User Interface, is provided with the call-by mechanism module calling display User Interface simultaneously.
The method of real-time Data Transmission in described car networking, wherein, comprises the following steps:
A. RAM (random access memory) card is connected with in-vehicle navigation apparatus communication with PTT terminal;
B. build-in services entry program and driver;
C. mobile phone is by 2G or 3G network connection server, mobile phone WIFI is arranged to wireless access node simultaneously, and the WIFI module of PTT terminal is by wireless access node wireless connections mobile phone;
D. in-vehicle navigation apparatus and service background are set up TCP/IP and are connected, and in-vehicle navigation apparatus is by PTT terminal and mobile phone and service background swap data.
The method of real-time Data Transmission in described car networking, wherein, specifically comprise in described step B: the user interface program that service entrance program and in-vehicle navigation apparatus carry is connected, when pressing the navigation key on in-vehicle navigation apparatus as user, the user interface program that in-vehicle navigation apparatus carries first calls service entrance program, whether USB driver and the WIFI driver of PTT terminal equipment have been installed in the Programmable detection system of service entrance, if do not installed, corresponding driving is then installed, installs and rear driver to be activated; Whether then service entrance program reexamines in-vehicle navigation apparatus connection PTT terminal, and checks whether PTT terminal is in upstate; If installed USB driver and WIFI driver, just directly check whether in-vehicle navigation apparatus has and connect PTT terminal, and whether PTT terminal is in upstate.
The method of real-time Data Transmission in described car networking, wherein, the user interface program that service entrance program and in-vehicle navigation apparatus carry is connected and specifically comprises: the filename filename of service entrance program being manually modified to the navigation software that in-vehicle navigation apparatus carries, and changes the filename of the navigation software that in-vehicle navigation apparatus carries simultaneously.
The method of real-time Data Transmission in described car networking, wherein, in step D, in-vehicle navigation apparatus is specifically comprised by PTT terminal and mobile phone and service background swap data: send the phone number of user to server by 2G or 3G network, service background receives the phone number of user and dials, the conceivable service of inquiry user, then artificial corresponding service data is connected by the TCP/IP that service background and in-vehicle navigation apparatus are set up passes to service entrance program, and service entrance program performs after obtaining service data.
The method of real-time Data Transmission in described car networking, wherein, in step D, in-vehicle navigation apparatus is specifically comprised by PTT terminal and mobile phone and service background swap data: service entrance program and service background set up a VOIP passage, user is by VOIP passage and service background voice communication, after service background learns the conceivable service of user, artificial corresponding service data is connected by the TCP/IP that service background and in-vehicle navigation apparatus are set up passes to service entrance program, and service entrance program performs after obtaining service data.
The method of real-time Data Transmission in described car networking, wherein, in step D, in-vehicle navigation apparatus is specifically comprised with service background swap data with mobile phone by PTT terminal: service entrance program is connected by TCP/IP and sends corresponding code service request to service background, service background organizes corresponding service data according to code service request, connected by TCP/IP and pass to service entrance program, service entrance program performs after obtaining service data.
Beneficial effect of the present invention: the present invention is by being connected PTT terminal with in-vehicle navigation apparatus communication with RAM (random access memory) card, mobile phone is connected with service background by 2G/3G simultaneously, and mobile phone WIFI is arranged to wireless access node, PTT terminal is connected with mobile phone wireless by wireless access node, achieve and set up reliable TCP/IP between in-vehicle navigation apparatus with service background and be connected, real-time transmission data, meet the demand that user is real-time; The present invention by arranging service entrance program, and arranges User Interface, facilitates user to pass through operation in-vehicle navigation apparatus and obtains the service wanted, actual easy to use and reliable, meets the demand that user is easy to use; Data transfer mode of the present invention adopts the transmission of TCP/IP host-host protocol, and reliability is high, meets the demand of user to reliable data transmission.
Accompanying drawing explanation
Fig. 1 is the module map of system in the present invention.
Fig. 2 is the flow chart of method in the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
The invention discloses real-time data transmission system in the networking of a kind of car, as shown in Figure 1, comprising:
In-vehicle navigation apparatus: in-vehicle navigation apparatus has the central processing unit of deal with data, i.e. CPU, can be the chips such as ARM, X86, in practical application, the operating system of in-vehicle navigation apparatus can be the operating systems such as wince, andriod, windows 8, linux;
RAM (random access memory) card: described RAM (random access memory) card is connected by USB interface with in-vehicle navigation apparatus, has USB driver, WIFI driver and service entry program in RAM (random access memory) card; In practical application, RAM (random access memory) card can be SD card or TF card;
PTT terminal: described PTT terminal is connected by USB interface with in-vehicle navigation apparatus, and PTT terminal is provided with WIFI module;
Mobile phone: described mobile phone has 2G or 3G module and mobile phone WIFI module, described mobile phone is connected with the communication of PTT terminal wireless;
Service background: described service background is connected with mobile communication by 2G or 3G network.
In practical application, in order to improve convenience of the present invention and practicality, user and service background is facilitated to carry out voice communication, in described car networking, real-time data transmission system also comprises loudspeaker, microphone and audio codec (not drawing in figure), and loudspeaker are connected with audio codec respectively with microphone; In-vehicle navigation apparatus is built-in with audio-frequency module, and audio codec is connected with in-vehicle navigation apparatus communication, concrete, and audio codec is connected with the audio-frequency module communication in in-vehicle navigation apparatus.
In order to ensure that in-vehicle navigation apparatus also can carry out the multimedia of USB flash disk when using PTT terminal, improve Consumer's Experience effect, described PTT terminal also comprises usb hub module, or at least one USB plug (for connecting in-vehicle navigation apparatus) is set in PTT terminal, at least one USB socket (for connecting USB flash disk) is set.USB flash disk can be connected with in-vehicle navigation apparatus by usb hub module, and CPU can play the multimedia in USB flash disk, such as, play music, video etc.
Conveniently user uses the present invention, and described service entrance programming has User Interface, is provided with the call-by mechanism module calling display User Interface simultaneously.During concrete use, service entrance of the present invention program (being specially call-by mechanism module) is connected with the navigation keys that in-vehicle navigation apparatus carries, when user presses navigation keys, directly on the screen of in-vehicle navigation apparatus, show User Interface of the present invention, user can by User Interface and service background exchange message, comprise Query Information, transmission/obtaining information etc.
The invention also discloses the method for real-time Data Transmission in the networking of a kind of car, as shown in Figure 2, comprise the following steps:
A. RAM (random access memory) card is connected with in-vehicle navigation apparatus communication with PTT terminal;
B. build-in services entry program and driver;
C. mobile phone is by 2G or 3G network connection server, mobile phone WIFI is arranged to wireless access node simultaneously, and the WIFI module of PTT terminal is by wireless access node wireless connections mobile phone;
D. in-vehicle navigation apparatus and service background are set up TCP/IP and are connected, and in-vehicle navigation apparatus is by PTT terminal and mobile phone and service background swap data.
Specifically comprise in described step B: the user interface program that service entrance program and in-vehicle navigation apparatus carry is connected, when pressing the navigation key on in-vehicle navigation apparatus as user, the user interface program that in-vehicle navigation apparatus carries first calls service entrance program, whether USB driver and the WIFI driver of PTT terminal equipment have been installed in the Programmable detection system of service entrance, if do not installed, corresponding driving is then installed, installs and rear driver to be activated; Whether then service entrance program reexamines in-vehicle navigation apparatus connection PTT terminal, and checks whether PTT terminal is in upstate; If installed USB driver and WIFI driver, just directly check whether in-vehicle navigation apparatus has and connect PTT terminal, and whether PTT terminal is in upstate.
Concrete, the filename of service entrance program is manually modified to the filename of the navigation software that in-vehicle navigation apparatus carries, changes the filename of the navigation software that in-vehicle navigation apparatus carries simultaneously.The navigation software carried due to in-vehicle navigation apparatus is connected with its navigation button, when after the filename filename of service entrance program being manually modified to the navigation software that in-vehicle navigation apparatus carries, user presses the navigation button will call service entrance of the present invention program automatically, and bring into operation service entrance program.
Concrete, after service entrance Programmable detection PTT terminal can be used, call-by mechanism module invoke user interactive interface, User Interface is presented on the screen of in-vehicle navigation apparatus, user can by User Interface and service background exchange message, comprise Query Information, transmission/obtaining information etc.
In practical application, in-vehicle navigation apparatus specifically comprises three kinds of modes below by PTT terminal and mobile phone and service background swap data:
First kind of way: send the phone number of user to server by 2G or 3G network, service background receives the phone number of user and dials, the conceivable service of inquiry user, then artificial corresponding service data is connected by the TCP/IP that service background and in-vehicle navigation apparatus are set up passes to service entrance program, and service entrance program performs after obtaining service data.Concrete, user can input telephone number in User Interface, and system sends this telephone number to server by 2G or 3G network again.
The second way: service entrance program and service background set up a VOIP passage (by analog signal figure, transmit in real time on ip networks with the form of data packet), user is by VOIP passage and service background voice communication, after service background learns the conceivable service of user, artificial corresponding service data is connected by the TCP/IP that service background and in-vehicle navigation apparatus are set up passes to service entrance program, and service entrance program performs after obtaining service data.
The third mode: service entrance program sends corresponding code service request by TCP/IP connection to service background, service background organizes corresponding service data according to code service request, connected by TCP/IP and pass to service entrance program, service entrance program performs after obtaining service data.Concrete service background all arranges a code service request to serving in each, code service request information sends in-vehicle navigation apparatus to by TCP/IP connection, user selects concrete service by User Interface, the code service request of this service correspondence is connected by TCP/IP and sends to service background, service background organizes corresponding service data according to code service request, is connected pass to service entrance program by TCP/IP.
The present invention is by being connected PTT terminal with in-vehicle navigation apparatus communication with RAM (random access memory) card, mobile phone is connected with service background by 2G/3G simultaneously, and mobile phone WIFI is arranged to wireless access node, PTT terminal is connected with mobile phone wireless by wireless access node, achieve and set up reliable TCP/IP between in-vehicle navigation apparatus with service background and be connected, real-time transmission data, meet the demand that user is real-time; The present invention by arranging service entrance program, and arranges User Interface, facilitates user to pass through operation in-vehicle navigation apparatus and obtains the service wanted, actual easy to use and reliable, meets the demand that user is easy to use; Data transfer mode of the present invention adopts the transmission of TCP/IP host-host protocol, and reliability is high, meets the demand of user to reliable data transmission.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (5)
1., for a Real-time Data Transfer Method for real-time data transmission system in car networking, it is characterized in that, comprise the following steps:
A. RAM (random access memory) card is connected with in-vehicle navigation apparatus communication with PTT terminal;
B. build-in services entry program and driver;
C. mobile phone is by 2G or 3G network connection server, mobile phone WIFI is arranged to wireless access node simultaneously, and the WIFI module of PTT terminal is by wireless access node wireless connections mobile phone;
D. in-vehicle navigation apparatus and service background are set up TCP/IP and are connected, and in-vehicle navigation apparatus is by PTT terminal and mobile phone and service background swap data;
Specifically comprise in described step B: the user interface program that service entrance program and in-vehicle navigation apparatus carry is connected, when pressing the navigation key on in-vehicle navigation apparatus as user, the user interface program that in-vehicle navigation apparatus carries first calls service entrance program, whether USB driver and the WIFI driver of PTT terminal equipment have been installed in the Programmable detection system of service entrance, if do not installed, corresponding driving is then installed, installs and rear driver to be activated; Whether then service entrance program reexamines in-vehicle navigation apparatus connection PTT terminal, and checks whether PTT terminal is in upstate; If installed USB driver and WIFI driver, just directly check whether in-vehicle navigation apparatus has and connect PTT terminal, and whether PTT terminal is in upstate.
2. Real-time Data Transfer Method according to claim 1, it is characterized in that, the user interface program that service entrance program and in-vehicle navigation apparatus carry is connected and specifically comprises: the filename filename of service entrance program being manually modified to the navigation software that in-vehicle navigation apparatus carries, and changes the filename of the navigation software that in-vehicle navigation apparatus carries simultaneously.
3. Real-time Data Transfer Method according to claim 1, it is characterized in that, in step D, in-vehicle navigation apparatus is specifically comprised by PTT terminal and mobile phone and service background swap data: send the phone number of user to server by 2G or 3G network, service background receives the phone number of user and dials, the conceivable service of inquiry user, then artificial corresponding service data is connected by the TCP/IP that service background and in-vehicle navigation apparatus are set up passes to service entrance program, and service entrance program performs after obtaining service data.
4. Real-time Data Transfer Method according to claim 1, it is characterized in that, in step D, in-vehicle navigation apparatus is specifically comprised by PTT terminal and mobile phone and service background swap data: service entrance program and service background set up a VOIP passage, user is by VOIP passage and service background voice communication, after service background learns the conceivable service of user, artificial corresponding service data is connected by the TCP/IP that service background and in-vehicle navigation apparatus are set up passes to service entrance program, and service entrance program performs after obtaining service data.
5. Real-time Data Transfer Method according to claim 1, it is characterized in that, in step D, in-vehicle navigation apparatus is specifically comprised with service background swap data with mobile phone by PTT terminal: service entrance program is connected by TCP/IP and sends corresponding code service request to service background, service background organizes corresponding service data according to code service request, connected by TCP/IP and pass to service entrance program, service entrance program performs after obtaining service data.
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| CN103825962A (en) * | 2014-03-19 | 2014-05-28 | 吴天文 | 4G communication system and method of internet of vehicles |
| CN104121913B (en) * | 2014-07-25 | 2017-06-23 | 广东翼卡车联网服务有限公司 | Can calling IP phone navigation box and speech guide system, method |
| CN104121914A (en) * | 2014-07-25 | 2014-10-29 | 广东翼卡车联网服务有限公司 | Method for transmitting navigation data by IP (Internet Protocol) telephone data channel as well as navigation method |
| CN104954969B (en) * | 2014-08-18 | 2019-02-01 | 深圳弘范网络科技有限公司 | A kind of communication system and its communication means of vehicle electronic device |
| CN104580460B (en) * | 2015-01-06 | 2019-02-01 | 广东翼卡车联网服务有限公司 | A kind of method and system of vehicle mounted guidance access internet |
| CN104735812B (en) * | 2015-03-05 | 2018-08-31 | 广东翼卡车联网服务有限公司 | A kind of method and its system of automatic navigator access wireless network |
| CN108111654B (en) * | 2016-08-17 | 2020-04-17 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN110096196B (en) * | 2019-05-07 | 2021-07-06 | 百度在线网络技术（北京）有限公司 | Data processing method for vehicle-mounted terminal, chip and medium |
| CN110351358A (en) * | 2019-07-09 | 2019-10-18 | 成都信息工程大学 | A kind of car networking safe information transmission and intelligent early-warning system |
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Address after: 528133 F3 (F3), C District, southwest garden of Sanshui center science and Technology Industrial Park, Foshan, Guangdong Patentee after: Guangdong Ecar Telematics Service Co.,Ltd. Address before: 528133, No. 2, inner ring road, 1 North East Sea Road, Sanshui East Road, Sanshui District, Guangdong, Foshan 303, 204 Patentee before: Guangdong Ecar Telematics Service Co.,Ltd. |