KR20070062615A - Telematics terminal and telematics service server - Google Patents

Abstract

A telematics terminal and a telematics service server using the same are provided to enable a driver to directly acquire the trouble state of his vehicle and the replacement time of various consumer goods by outputting vehicle information, such as self-diagnosis results, vehicle operation information, etc., obtained from an electronic control device in the vehicle, on the screen or by voice. A telematics terminal comprises an operation part(35), a storage part(36), a short range wireless communication part(32), a vehicle information processing part(373), and a mobile communication part(31). The operation part receives a user operation command. The storage part stores control program data to control the operation of the whole system. The short range wireless communication part transmits the user operation command to a vehicle information provisioning terminal by wireless, and receives vehicle self-diagnosis information or vehicle operation information from the vehicle information provisioning terminal by wireless. The vehicle information processing part outputs vehicle self-diagnosis information or vehicle operation information, inputted from the short range wireless communication part, on the screen or by voice according to the control program data. If a vehicle self-diagnosis information or vehicle operation information request signal is inputted from the operation part, the vehicle information processing part transmits associated information to the vehicle information provisioning terminal through the short range wireless communication part. The mobile communication part sends the vehicle self-diagnosis information or vehicle operation information to a telematics service server, connected to a mobile communication network, through an antenna, and transmits and receives data with the telematics service server.

Description

Telematics terminal and telematics service server using the same

1 shows a schematic overall telematics service system according to an embodiment of the invention.

2 is a block diagram of a vehicle diagnostic information terminal integrated with a self-diagnosis connector according to an exemplary embodiment of the present invention.

3 illustrates a configuration of a telematics terminal according to an embodiment of the present invention.

4 illustrates a configuration of a telematics service server according to an embodiment of the present invention.

The present invention relates to a telematics service system.

Telematics is a compound word of telecommunication and informatics, which refers to a new concept of vehicle wireless Internet service combining automobiles and wireless communication.

As automobile technology develops, automobile manufacturers are equipped with various electronic control devices such as engine control, transmission control, suspension control, and braking control. In particular, these electronic control devices provide vehicle self-diagnosis and vehicle operation information through communication. By the way, the conventional vehicle driver was able to know whether or not the vehicle broke down when the vehicle was taken to the maintenance shop to inspect the vehicle. Recently, however, a vehicle information providing terminal capable of receiving vehicle self-diagnosis and vehicle operation information from an in-vehicle electronic control device and informing the vehicle driver of the vehicle has been developed. Various information can be obtained directly.

On the other hand, mobile communication service companies are making various attempts so that terminal users can use many convenient functions with the development of mobile communication technology. For example, a mobile communication service company manufactures a mobile communication terminal equipped with a function of providing various multimedia contents using the wireless Internet or providing terminal user location information using a GPS satellite, and simultaneously establishes a wireless communication network server accordingly. have.

In this regard, the present applicant is connected to a mobile communication terminal equipped with a telematics function for informing vehicle information transmitted from the vehicle information providing terminal, for example, vehicle self-diagnosis information or vehicle driving record information, and the mobile communication terminal is connected to the mobile communication network through a telematics. A wireless network server that performs a service has been proposed.

The present invention has been proposed in the above background, and an object thereof is to provide a telematics terminal for transmitting and receiving data with a vehicle information providing terminal for providing vehicle information obtained from an in-vehicle electronic control apparatus.

Additionally, an object of the present invention is to provide a telematics terminal capable of requesting an emergency rescue when accident occurrence information is input from a vehicle information providing terminal.

Furthermore, another object of the present invention is to provide a telematics service server for managing and transmitting vehicle information transmitted from a telematics terminal.

In addition, the present invention provides a telematics service server that can request an emergency rescue when accident occurrence information is input from a telematics terminal.

Telematics terminal according to an aspect of the present invention for achieving the above object is mounted an application program for processing vehicle information therein. The application program is driven by receiving a user's operation command, receives the vehicle information from the vehicle information providing terminal, and displays or outputs it by voice. In addition, when entering accident occurrence information from the vehicle information providing terminal automatically dials an emergency telephone number and outputs an emergency rescue message by voice or text when connecting.

According to this aspect, the user of the telematics terminal according to the present invention can obtain the presence or failure of the vehicle or various additional information through the vehicle information transmitted from the vehicle information providing terminal. In addition, the telematics terminal by requesting the emergency rescue to the outside in the event of an accident, it is possible to minimize casualties.

Telematics service server according to another aspect of the present invention is a storage device for storing the member information and the vehicle self-diagnosis information or vehicle operation information and emergency rescue signal transmitted from the telematics terminal and the application information for processing the emergency rescue signal Is implemented. The telematics service server may display vehicle self-diagnosis information or vehicle driving information to a member connected through the Internet.

According to this aspect, a terminal user who subscribes to a telematics service can easily manage his vehicle and can use the vehicle more safely.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

1 shows a schematic overall telematics service system according to an embodiment of the invention. As shown, a telematics service system according to an exemplary embodiment of the present invention includes an electronic controller 10 installed in a vehicle, a vehicle information providing terminal 20, a telematics terminal 30, and a telematics service server 40. do.

The electronic controller 10 collectively refers to electronic controllers such as an engine controller, a shift controller, a suspension controller, a brake controller, etc. of the vehicle, and the electronic controller 10 detects a vehicle in addition to the vehicle controller. This function stores or outputs the status of as a part of self-diagnosis information or vehicle operation information. When the self-diagnosis request is transmitted through the vehicle information providing terminal 20, the electronic controller 10 accesses the self-diagnosis information for each part stored in the memory means and provides the vehicle information according to the K-line or CAN communication method. Transfer to the terminal 20. In the embodiment of the present invention, the self-diagnosis information stored in the memory has been described in response to the self-diagnosis request. You may assume that you do.

The vehicle information providing terminal 20 receives a self-diagnosis command from the telematics terminal 30 and transmits the self-diagnosis command to the in-vehicle electronic control apparatus 10 through the self-diagnosis connector, and transmits the vehicle magnetic transmitted from the electronic control apparatus 10. The diagnostic information is output to the telematics terminal 30. The vehicle information providing terminal 20 may transmit one of vehicle state information, vehicle driving record information, accident record information, and driving tendency analysis information according to a user command transmitted from the telematics terminal 30 as vehicle driving information. In addition, the vehicle information providing terminal 20 may transmit the vehicle driving information obtained in real time to the telematics terminal 30 independently.

 The telematics terminal 30 generates a message according to a user command and transmits the message to the vehicle information providing terminal 20 and receives the information corresponding to the user command from the vehicle information providing terminal 20 and displays it on a screen or by voice. It plays a role of outputting. In a preferred embodiment, the telematics terminal 30 is equipped with a virtual machine for a portable device, and most applications are provided in the form of scripts executed in this environment. The application program for selecting the vehicle self-diagnosis or vehicle operation information provides a menu to the user, when the user selects the vehicle self-diagnosis, transmits a diagnostic command to the vehicle information providing terminal 20, and the vehicle information providing terminal 20. Receive vehicle diagnostic information from the screen and display it on the screen or output it by voice The telematics terminal 30 may include a CDMA terminal, a PCS terminal, a PDA, and the like.

In one embodiment, the telematics terminal 30 and the vehicle information providing terminal 20 may transmit and receive self-diagnostic information or vehicle driving information through a wired local area communication unit including USB or RS-232. In another embodiment, preferably, the telematics terminal 30 and the vehicle information providing terminal 20 are equipped with a wireless local area communication unit, for example, a Bluetooth module to transmit and receive short range wireless data within a predetermined communication radius. It is possible to carry out.

The telematics service server 40 stores the vehicle information transmitted from the telematics terminal 30 by being connected to the telematics terminal 30 through a mobile communication network. In addition, the telematics service server 40 performs a function of automatically notifying 119, a police station, an insurance company, a maintenance company, etc. when emergency rescue information is received from the telematics terminal 30. Furthermore, the telematics service server 40 transmits vehicle information including a vehicle failure diagnosis or consumable replacement time to a telematics terminal 30 or a member computer terminal connected through a wired / wireless internet network.

2 is a block diagram of a vehicle diagnostic information terminal integrated with a self-diagnosis connector according to an exemplary embodiment of the present invention.

The sensor unit 21 may include an acceleration sensor and a gyro sensor to detect not only the acceleration of the vehicle but also the steering angle. By using the vehicle acceleration information and the steering angle information output from the sensor unit 21, it is possible to determine the accident of the vehicle, the amount of impact before and after the accident, the steering angle, and the like.

The memory 22 is a concept including a RAM and a flash memory. The memory 22 stores information acquired through the electronic control apparatus 10 and the sensor unit 21 in the vehicle, and controls the overall operation of the vehicle information providing terminal. It stores the control program data.

The power supply unit 23 adjusts and supplies the power supplied from the self-diagnostic connector interface unit 24 to be described later to operating power (for example, 5 V and 3.3 V).

The self-diagnostic connector interface unit 24 is a connector including a plurality of pins coupled to a self-diagnosis connector (not shown) mechanically located in the vehicle or the engine room, and provides vehicle information according to an embodiment of the present invention. It is integrated in the terminal. The self-diagnostic connector interface 24 is coupled to a vehicle-side self-diagnosis connector (not shown) and transmits and receives data with the in-vehicle electronic control device.

The control unit MCU 25 controls the overall operation of the terminal based on the control program data stored in the memory 22. For example, when the MCU 25 receives a self-diagnosis command through a telematics terminal, the MCU 25 communicates with the in-vehicle electronic control device through the self-diagnostic connector interface 24 to obtain self-diagnosis information, and the obtained magnetic Control the management and transmission of diagnostic information. In addition, the MCU 25 as a control unit may provide ① vehicle status information, ② driving record information, ③ accident notification and accident record information, and ④ driving propensity analysis information as vehicle driving information. In addition, the relay function for reprogramming the software of the electronic control device in the vehicle can be additionally provided. Here, a detailed description of the vehicle driving information will be described later.

RTC (Real Time Clock) 26 performs the role of providing real-time time information to the MCU 25, the voice output unit 27 under the control of the MCU 25, vehicle operation information and self-diagnostic information It plays the role of outputting voice. The voice output unit 27 is a concept including a voice synthesis chip.

The data input / output unit 28, as a user interface unit, provides a path for outputting data for lighting an LED for instructing the operation state of the terminal to the outside, as well as inputting key data according to key presses to the MCU 25. You can provide a path.

The local area communication unit 29 is for performing data communication with the telematics terminal, and includes a wired local area communication unit and a wireless local area communication unit. The wired communication unit may be implemented by USB or RS-232 and used to download or upload data from a PC or to transmit self-diagnosis information and vehicle driving information to a telematics terminal. Meanwhile, the wireless local area communication unit wirelessly transmits the self-diagnosis information of the vehicle managed by the MCU 25 to the telematics terminal, or wirelessly receives various user commands including the self-diagnosis command from the telematics terminal to the MCU 25. Interface.

Hereinafter, vehicle driving information generated or accessed by the MCU 25 will be described in more detail.

① Vehicle status information.

The MCU 25 may obtain information (state) of the vehicle in real time and notify the telematics terminal through the short range communication unit 29. Such vehicle information may include, for example, engine idle time, engine temperature, battery voltage, fuel economy, and remaining travel distance. The vehicle information is information (some of processed data) that can be obtained in real time through communication with the in-vehicle electronic control apparatus.

② driving record information.

In addition, the MCU 25 may obtain driving record information such as a traveling speed, a traveling distance, and a traveling time of the vehicle through an electronic control device in the vehicle, and transmit the wired or wirelessly to the telematics terminal.

③ Incident notification and accident record information.

The MCU 25 may determine whether an accident occurs through the acceleration sensor. In other words, if the impact amount obtained by integrating the acceleration value obtained from the acceleration sensor has a value greater than or equal to the threshold value, it is judged as an accident, and the accident is notified to the telematics terminal immediately, and the accident record is recorded on the vehicle speed, steering angle, impact amount, etc. before and after the recognition point of the accident The information can be recorded in the memory 22 and later transmitted to the telematics terminal according to a user's request.

④ Analysis of driving tendency.

In addition, the MCU 25 may analyze the driver's driving tendency by using the acceleration of the sensor unit 21 and the value output from the gyro sensor, and transmit the same to the telematics terminal upon user request. The driving tendency analysis information includes information such as rapid acceleration, sudden deceleration, rapid steering, and overspeed.

⑤ Software reprogramming of ECU

The MCU 25 may wirelessly receive the software of the in-vehicle electronic control device and transmit it to the in-vehicle electronic control device when the user requests through the telematics terminal, thereby supporting the electronic controllers to upgrade their own software. .

Although not described above, the MCU 25 may additionally support the function of the subsidiary unit. That is, the consumable replacement time according to the vehicle driving distance may be output by voice, and the exchange time may also be output through the telematics terminal. In addition, using the time value provided from the RTC 26 and information obtained through self-diagnosis communication (eg, engine RPM, vehicle speed, etc.) may be used to warn the driver for a long time, and may also warn of the danger of going to bed for a long time in the state of starting the car. have.

3 illustrates a configuration of a telematics terminal according to an embodiment of the present invention.

The mobile communication unit 31 includes an RF circuit and modulation and demodulation processing a CDMA or GSM type mobile communication protocol, converts an RF signal input from an antenna into a baseband signal, and converts internal data to be transmitted into an RF signal. The GPS receiver 38 receives the GPS signal transmitted from the GPS satellites and generates terminal location information. In one embodiment, the GPS receiver 38 may include current latitude, longitude, altitude, three-dimensional speed and time information as terminal location information.

In one embodiment, the telematics terminal 30 may use separate antennas having two frequency bands to receive CDMA service of 800 MHz band and GPS service of 1575.4 MHz band, and dual band to the telematics terminal 30. A dual band antenna (DBA) and an RF switching circuit may be applied. Since the implementation technology of the mobile communication unit 31 and the GPS receiver 38 is already well known before the filing date, a detailed description thereof will be omitted.

The short range communication unit 32 is for transmitting and receiving self diagnosis information and vehicle operation information with the vehicle information providing terminal 20, and includes a wired short range communication unit and a wireless short range communication unit. The wired communication unit may be USB or RS-232, and the wireless local area communication unit may be implemented as a Bluetooth module.

The display unit 33 displays screen display information input from the control unit 37 and is preferably implemented by TFT-LCD (THIN FILM TRANSISTOR-LIQUID CRYSTAL DISPLAY), but the present embodiment is not limited thereto.

The voice output unit 34 converts a voice signal input from the control unit 37 into an audio signal that can be heard by a human, and is implemented by a conventional voice processing circuit including a codec, a digital analog converter, and an amplifier. The manipulation unit 35 may be one of known input means for inputting a user manipulation command such as a keypad and a touch panel.

The storage unit 36 is a system driving program and a variety of applications to record and store, and includes a highly integrated non-volatile memory, such as EEPROM (Electrically Erasable and Programmable Read Only Memory) that can electrically erase and program data. It is preferable to be implemented as a flash memory.

According to a characteristic aspect of the present invention, the storage unit 36 includes an emergency telephone number and an emergency rescue message. In one embodiment, the emergency telephone number may be a phone number of 119, police station, fire station, insurance company, or even a mobile phone number of a family member or friend.

The control unit 37 is preferably implemented with a high density integrated circuit (LSI) including a CDMA processor, a general purpose interface (GPIO), an RF interface, a phase locked loop (PLL) circuit, and the like.

The call controller 371 outputs a call signal to the mobile communication network through the mobile communication unit 31 when a telephone connection request signal is input from the operation unit 35.

The vehicle information processing unit 373 outputs the vehicle self-diagnosis information or the vehicle driving information input from the short range communication unit 32 as a voice or a screen according to the control program data stored in the storage unit 36, and outputs a voice or a screen from the operation unit 35. When the vehicle self-diagnosis information or the vehicle operation information request signal is input, it is transmitted to the vehicle information providing terminal through the short range communication unit 32.

The emergency rescue processing unit 375 automatically dials the emergency telephone number stored in the storage unit 36 when the accident occurrence information is received from the vehicle information providing terminal through the near field communication unit 32 as vehicle operation information, and then stores the storage unit ( The emergency rescue message stored in 36 and the location information of the terminal input from the GPS receiver 38 are output as voice or text.

4 is a block diagram of a turretetics server according to an exemplary embodiment of the present invention.

The communication unit 41 receives vehicle self-diagnosis information or vehicle driving information transmitted from the telematics terminal through the mobile communication network. The data input unit 42 receives a user operation command and may be one of known input means for inputting a user operation command such as a keypad and a touch panel.

The storage unit 43 stores control program data in which the control unit 45 can basically operate, and outputs information requested by the read request signal output from the control unit 45 to the control unit 45. In addition, according to a characteristic aspect of the present invention, the storage unit 43 includes a member DB 431 storing member information subscribed to a telematics service and a vehicle information DB 433 storing vehicle self-diagnosis information or vehicle driving information. And an emergency telephone number 435 and an emergency rescue message 437.

The controller 45 basically controls the entire system, and performs a control operation according to the program data read from the storage unit 43 when power is applied.

The member registration processor 451 receives member information subscribed to the telematics service from the data input unit 42 and stores the member information in the storage unit 43.

The vehicle information processing unit 453 stores the vehicle self-diagnosis information or the vehicle operation information input from the communication unit 41 in the storage unit 43, and at the request of the member terminal connected through the Internet network, the vehicle self-diagnosis information or The vehicle driving information is output to the member terminal through the communication unit 41.

The emergency rescue processor 455 outputs the emergency rescue message and the telematics terminal location information to the emergency telephone number when the accident occurrence information is received from the telematics terminal.

As described above, the telematics terminal according to the present invention outputs the vehicle self-diagnosis result and the vehicle operation information obtained from the in-vehicle electronic control apparatus using a screen or a voice, thereby directly acquiring the presence or failure of the vehicle and the replacement time of various consumables. That has a useful effect.

In addition, the telematics terminal according to the present invention has a useful effect of minimizing casualties by detecting an emergency rescue to the outside by detecting it when a car accident occurs. In addition, the vehicle operator has an advantage of receiving various information such as vehicle status information, driving record information, accident notification and accident record information, driving tendency analysis information, and the like through the telematics terminal according to the present invention.

In addition, the telematics service server according to the present invention stores the vehicle self-diagnosis information or vehicle operation information transmitted from the telematics terminal subscribed to the service, and displays the vehicle self-diagnosis information or vehicle operation information to the member connected through the Internet, There is a useful effect that provides the service subscriber with the convenience of vehicle management.

 In addition, the telematics service server according to the present invention analyzes the vehicle self-diagnosis information or the vehicle operation information transmitted from the telematics terminal subscribing to the service and responds promptly when a problem is detected in the vehicle, thereby minimizing time and damage. have.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, it should be interpreted by the claims described to include many such variations.

Claims (5)

An operation unit which receives a user operation command; A storage unit for storing control program data for controlling overall system operation; A wireless short-range communication unit for wirelessly transmitting the user operation command to a vehicle information providing terminal or wirelessly receiving vehicle self-diagnosis information or vehicle driving information from the vehicle information providing terminal; According to the control program data stored in the storage unit outputs the vehicle self-diagnosis information or vehicle driving information input from the short-range communication unit in a voice or a screen, and when the vehicle self-diagnosis information or vehicle driving information request signal from the operation unit is input to the short-range A vehicle information processing unit which transmits to a vehicle information providing terminal through a communication unit; A mobile communication unit which transmits vehicle self-diagnosis information or vehicle operation information from the vehicle information processing unit to a telematics service server connected to a mobile communication network through an antenna, and transmits and receives data with the telematics service server; Telematics terminal comprising a. The method of claim 1, wherein the vehicle driving information is: Telematics terminal comprising at least any one of vehicle status information, driving record information, accident notification and accident record information, driving tendency analysis information. The method according to claim 1 or 2, wherein the storage unit further includes an emergency telephone number and emergency rescue message, The telematics terminal is: A GPS receiver for receiving a GPS signal from a GPS satellite and generating terminal location information; An emergency rescue processor for automatically dialing the emergency telephone number and receiving the emergency rescue message and the location information of the terminal by voice or text when a telephone connection is received when accident occurrence information is received as vehicle driving information; Telematics terminal, characterized in that it further comprises. A communication unit for receiving vehicle self-diagnosis information or vehicle operation information transmitted from the telematics terminal through a mobile communication network; A data input unit for receiving a user operation command; A subscription processing unit which receives member information subscribed to a telematics service from the data input unit and stores the member information in a storage unit; Storing vehicle self-diagnosis information or vehicle operation information input from the communication unit in a storage unit, and outputting the vehicle self-diagnosis information or vehicle operation information to the member terminal through a communication unit at the request of a member terminal connected through the Internet network. A vehicle information processing unit; A storage unit including a member DB storing member information subscribed to a telematics service and a vehicle information DB storing vehicle self-diagnosis information or vehicle driving information; Telematics service server comprising a. The method of claim 4, wherein the storage unit further includes an emergency telephone number and emergency rescue message, An emergency rescue processor for outputting the emergency rescue message and the telematics terminal location information to the emergency telephone number when the telematics service server receives accident occurrence information from a telematics terminal; Telematics service server, characterized in that it further comprises.

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