KR20130035588A - Device and method for communicating between the external communication unit and vehicle - Google Patents

Abstract

PURPOSE: A device for providing communication between a vehicle and an external communication device and a method thereof are provided to effectively manage the vehicle by providing a service to the all external communication devices. CONSTITUTION: An OBD-2(On Board Diagnosis 2) interface(230) of an OBD-2 device(200) connects to a vehicle OBD-2 connector(300). A main processor(220) sets a communication method by recognizing an external communication device(100) and wirelessly transmits data received through the vehicle OBD-2 connector through the communication method of an external communication device. An integrated communication module(210) supports a Wi-Fi, a bluetooth, a CDMA(Code Division Multiple Access), and an NFC(Near Field Communication) communication method. [Reference numerals] (100) Smart phone; (210) Integrated communication module; (300) Vehicle OBD2 connector;

Description

Device and method for communicating between a vehicle and an external communication device

The present invention relates to data communication of a vehicle. Specifically, the vehicle is capable of receiving OBD-II data of a vehicle regardless of the type of external communication device, thereby providing a service to all external communication devices with one device. And an apparatus and method for communication with an external communication device.

In general, a vehicle diagnostic apparatus is generally classified into an on board diagnosis apparatus (On Board Diagnosis I) and an off board diagnosis apparatus (Off Board Diagnosis II).

The OBD-I diagnoses in real time whether there is an abnormality of the device based on the status data from various electronic control devices in the vehicle, and codes the data for the abnormality when the error occurs and stores it in the internal memory.

The OBD-II is a failure diagnosis device that reads a diagnostic code stored in an onboard diagnostic device, and is generally provided in a vehicle repair shop or an after-sales center.

That is, the vehicle diagnostic apparatus of the prior art is configured to read the diagnostic code detected by the onboard diagnostic apparatus by an offboard diagnostic apparatus installed in a maintenance shop or the like.

Therefore, since the on-board diagnostic apparatus and the off-board diagnostic apparatus of the prior art are separated from each other, it is not possible to determine an abnormal part of the vehicle in real time until the diagnostic code is decoded using a separate off-board diagnostic apparatus. There is a problem that can not respond quickly to the abnormalities of the car.

In order to solve such a problem and increase driver convenience, a method of transmitting and receiving data through a wireless communication with a smartphone equipped with a vehicle diagnostic application has been proposed.

The existing smartphones include iPhone, Android phone and Windows 7 phone.

However, the existing smartphone must purchase and use a separate device according to the smartphone for communication with an external communication device (earphone, etc.).

Currently, the iPhone series can communicate with external devices using Wi-Fi communication, but the device used in the case of Bluetooth communication is not certified by Apple and cannot be used.

In addition, Android-based smartphones are capable of Bluetooth communication, but Wi-Fi communication does not support Ad-hoc, which makes it impossible to support one-to-one communication.

In the case of the Windows Phone series, only Wi-Fi communication or Bluetooth is available.

For this reason, the current smart phone has a problem in that a separate device must be purchased and used according to the type of smart phone when the external communication device is purchased and used.

If a vehicle transmits data transmitted through an OBD-II to a smartphone, a communication method such as Bluetooth or Wi-Fi is used.

In general, iPhones use Wi-Fi, while Android phones transmit data via Bluetooth communication, so there are cumbersome problems in purchasing different devices depending on the type of smartphone.

As such, when the device mounted in the OBD-II of the vehicle is an Android series, the iPhone cannot provide a communication service, and in the case of the iPhone, the device cannot provide a service to the Android phone. The same problem occurs with Windows phones.

Accordingly, there is a need for an apparatus and a method capable of transmitting OBD-II data of a vehicle to smartphones of various communication methods using one OBD-II device.

The present invention is to solve the data communication problem of the vehicle of the prior art, so that the OBD-II data of the vehicle can be received regardless of the type of external communication device to provide a service to all external communication devices with one device An object of the present invention is to provide an apparatus and method for communication between a vehicle and an external communication device.

The present invention provides an apparatus and method for communication between a vehicle and an external communication device that automatically recognizes a smartphone through paying when the vehicle is equipped with an OBD-II device to set up a corresponding communication method and to perform communication. The purpose is.

According to the present invention, when the OBD-II device is installed in a vehicle and does not automatically recognize a smartphone, or when the type of the smartphone is known in advance, the communication method can be selected by the hardware setting in the manual mode. It is an object of the present invention to provide an apparatus and method for communication between a vehicle and an external communication device.

The present invention is to solve the problem that the internal communication method of the vehicle is differently applied according to the Americas, Asia, Europe region VPWM (Variable Pulse Width Modulation), PWM (Pulse Width Modulation), CAN (Controller Area Network), KWP200, Apparatus and method for communication between a vehicle and an external communication device that solve the data processing problem caused by a different internal communication method by adding a function to automatically recognize and process data regardless of the communication method such as ISO9141. The purpose is to provide.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an apparatus for communication between a vehicle and an external communication device according to the present invention is equipped with an application for receiving vehicle diagnostic data and determining a vehicle state, and transmitting data to an external vehicle data management server. Communication devices; a vehicle OBD-II connector connected to an OBD-II diagnostic device for real-time diagnosis of abnormalities of devices in a vehicle based on status data from electronic control devices in the vehicle; connected to the vehicle OBD-II connector And an OBD-II device for recognizing the external communication device, setting a communication method in accordance with a communication standard of the external communication device, and wirelessly transmitting data received through the OBD-II connector to the external communication device. It is done.

In addition, the OBD-II device, the OBD-II interface for connecting to the vehicle OBD-II connector, the external communication device to recognize the communication method or manually set the communication method to enable the vehicle OBD- The main processor controls the wireless transmission of data received through the II connector according to the communication method of the external communication device, and the Wi-Fi, Bluetooth, Code Division Multiple Access (CDMA) and Near Field Communication (NFC) communication methods are used. It characterized in that it comprises a supporting integrated communication module.

An apparatus for communication between a vehicle and an external communication device according to the present invention for achieving another object is equipped with an application for receiving vehicle diagnostic data and determining a vehicle state and transmitting data to an external vehicle data management server. Vehicle OBD-II connector connected to the OBD-II diagnostic device for real-time diagnosis of abnormalities of the devices in the vehicle based on the status data from the electronic control device in the vehicle; Connected to the vehicle OBD-II connector Set the communication method to meet the internal communication standard of the vehicle, recognize the external communication device, set the communication method to meet the communication standard of the external communication device, and transfer the data received through the OBD-II connector to the external communication device. OBD-II device for wireless transmission; characterized in that it comprises a.

In addition, the OBD-II device is connected to the vehicle OBD-II connector, the vehicle communication control unit for setting the communication method to meet the internal communication standard of the connected vehicle, and recognizes the external communication device to set the communication method or manual A main processor for controlling an operation of wirelessly transmitting data received through an in-vehicle communication control unit according to a communication method of an external communication device, and enabling Wi-Fi, Bluetooth, and code division multiple access (CDMA). ), A wireless communication control unit supporting a NFC (Near Field Communication) communication method, and a communication method set by the control unit and the control unit for controlling the communication method setting of the in-vehicle communication control unit and the wireless communication control unit and the internal communication standard of the currently connected vehicle And a memory storing a communication method of the external communication device.

The communication standard supported by the in-vehicle communication control unit may include a variable pulse width modulation (VWWM), a pulse width modulation (PWM), a controller area network (CAN), KWP200, and ISO9141.

According to another aspect of the present invention, there is provided a method for communication between a vehicle and an external communication device, including: recognizing peripheral external communication devices in a state in which an OBD-II device is connected to a vehicle OBD-II connector; Setting the communication method of the OBD-II device automatically through paying according to the communication method of the communication device; if the communication method setting of the OBD-II device is not automatically performed, check the type of the external communication device to determine the OBD- II device. Manually setting the communication method of the II device; when the communication method is set, the OBD-II device communicates with the OBD-II device and the external communication device, and the OBD-II device receives the vehicle diagnostic data received through the vehicle OBD-II connector. Transmitting to the external communication device; data received using an application mounted in the external communication device To transmit data, or displaying on a screen; it characterized in that it comprises a.

Herein, when the OBD-II device is connected to the vehicle OBD-II connector, the OBD-II device determines a communication standard of the vehicle and sets a communication method to enable communication with the vehicle diagnostic apparatus through the vehicle OBD-II connector. It characterized in that it further comprises.

Such an apparatus and method for communication between a vehicle and an external communication device according to the present invention have the following effects.

First, the vehicle can receive OBD-II data regardless of the type of external communication device.

Second, it is possible to provide services to all external communication devices with a single device so that OBD-II data can be transmitted regardless of the type of smartphone, so that vehicle management can be efficiently performed.

Third, when the OBD-II device is installed in the vehicle, the smartphone can be automatically recognized through the pay ring to set the corresponding communication method and the communication can be made to increase convenience.

Fourth, it is possible to solve the data processing problem caused by the communication method in the vehicle by adding a function that can automatically recognize and process data regardless of the communication method.

1 is a block diagram of an apparatus for communication between a vehicle and an external communication device according to an embodiment of the present invention
2 is a block diagram of an apparatus for communication between a vehicle and an external communication device according to another embodiment of the present invention;
3 is a flowchart illustrating a method for communication between a vehicle and an external communication device according to the present invention.

Hereinafter, a preferred embodiment of an apparatus and method for communication between a vehicle and an external communication device according to the present invention will be described in detail.

Features and advantages of the apparatus and method for communication between a vehicle and an external communication device according to the present invention will become apparent from the detailed description of each embodiment below.

1 is a block diagram of an apparatus for communication between a vehicle and an external communication device according to an embodiment of the present invention, Figure 2 is a device for communication between the vehicle and an external communication device according to another embodiment of the present invention It is a block diagram.

The present invention provides an OBD-II device having an integrated communication module so as to receive OBD-II data of a vehicle regardless of the type of external communication device.

The apparatus for communication between the vehicle and the external communication device according to the present invention, as shown in FIG. 1, is equipped with an application for receiving vehicle diagnostic data and determining a vehicle state and transmitting data to an external vehicle data management server. For example, a vehicle OBD-II connector 300 connected to a smartphone 100 and an OBD-II diagnosis apparatus that diagnoses in real time whether there is an abnormality of a device based on status data from various electronic control devices in a vehicle. And, connected to the vehicle OBD-II connector 300, and automatically recognizes the smart phone through the pay ring to set the corresponding communication method and communication is made, or to manually set the communication method of the vehicle OBD And an OBD-II device 200 for wirelessly transmitting data received through the -II connector 300 according to a communication method of an external communication device.

Here, the OBD-II device 200 recognizes an OBD-II interface 230 for connecting to the vehicle OBD-II connector 300 and an external communication device, and sets a communication method or manually sets the communication method. A main processor 220 for controlling wireless transmission of data received through the vehicle OBD-II connector 300 according to a communication method of an external communication device, Wi-Fi, Bluetooth, and code division multiplexing (CDMA). Access), the integrated communication module 210 that supports the NFC (Near Field Communication) communication scheme.

Such a device for communication between the vehicle and the external communication device according to the present invention is to solve the problem when the OBD-II communication module uses only one communication method such as Wi-Fi or Bluetooth, the smartphone is changed In addition, even if the communication method is different, it is possible to provide a data providing service to external communication devices of all communication methods without changing the communication module.

Figure 2 is to automatically solve the problem regardless of the communication method such as Variable Pulse Width Modulation (PVWM), Pulse Width Modulation (PWM), Controller Area Network (CAN), KWP200, ISO9141, etc. It can recognize the data and process the data.

To this end, as illustrated in FIG. 2, an external communication device, for example, a smart phone 100 and a vehicle, having an application for receiving vehicle diagnostic data and determining a vehicle state and transmitting data to an external vehicle data management server. Connected to the vehicle OBD-II connector 300 and the vehicle OBD-II connector 300, which are connected to the OBD-II diagnostic apparatus for diagnosing abnormality of the device in real time based on status data from various electronic control devices therein. Set the communication method to meet the internal communication standard of the vehicle, and automatically recognize the smartphone through paying to set the corresponding communication method and allow communication, or manually set the communication method. And an OBD-II device 400 for wirelessly transmitting data received through the II connector 300 according to a communication method of an external communication device. .

Here, the OBD-II device 400 is connected to the vehicle OBD-II connector 300 and the communication method by recognizing an internal communication control unit 450 and an external communication device to set the communication method to meet the internal communication standards of the vehicle The main processor 410 for controlling wireless transmission of data received through the in-vehicle communication control unit 450 according to the communication method of the external communication device by setting the communication method or manually setting the communication method, and Wi. Wireless communication controller 420 supporting Fi, Bluetooth, Code Division Multiple Access (CDMA), and Near Field Communication (NFC) communication methods, and a communication method of the in-vehicle communication control unit 450 and the wireless communication control unit 420 A control unit 430 for controlling the setting, and a memory 440 for storing the communication method set by the control unit 430, the internal communication standard of the currently connected vehicle and the communication method of the external communication device.

Communication standards supported by the in-vehicle communication control unit 450 include Variable Pulse Width Modulation (PVWM), Pulse Width Modulation (PWM), Controller Area Network (CAN), KWP200, and ISO9141.

Such an apparatus for communication between a vehicle and an external communication device according to the present invention enables to receive OBD-II data of a vehicle regardless of the type of external communication device, and automatically adjusts a communication method in accordance with an internal communication standard. It solves the data processing problem caused by different communication methods in the vehicle.

OBD-II data transmission and reception using a device for communication between a vehicle and an external communication device according to the present invention is performed as follows.

3 is a flowchart illustrating a method for communication between a vehicle and an external communication device according to the present invention.

Recognizing peripheral external communication devices while the OBD-II device 400 is connected to the vehicle OBD-II connector 300 (S301), the OBD-II device 400 of the Set the communication method (S302).

Here, the communication method setting of the OBD-II device 400, first, automatically recognizes an external communication device (smartphone) through paying to set the corresponding communication method and communication is made (S303) (S304) ( S305). Manually set the communication method. (S306)

In addition, the OBD-II device 400 communicates with the external communication device (S307), and the OBD-II device 400 transmits the vehicle diagnostic data received through the vehicle OBD-II connector 300 to the external communication device. The data received using an application mounted in an external communication device is transmitted to an external vehicle data management server or displayed on a screen to be used by a driver (S308).

Here, in the process of connecting the OBD-II device 400 to the vehicle OBD-II connector 300, the OBD-II device 400 determines the vehicle internal communication standard and the vehicle diagnostic apparatus through the vehicle OBD-II connector 300. Set communication method to communicate with.

Such an apparatus and method for communication between a vehicle and an external communication device according to the present invention are capable of receiving OBD-II data of a vehicle regardless of the type of external communication device so as to service all external communication devices with one device. It would be to provide.

It will be understood that the present invention is implemented in a modified form without departing from the essential features of the present invention as described above.

It is therefore to be understood that the specified embodiments are to be considered in an illustrative rather than a restrictive sense and that the scope of the invention is indicated by the appended claims rather than by the foregoing description and that all such differences falling within the scope of equivalents thereof are intended to be embraced therein It should be interpreted.

100. Smartphone 200. OBD-Ⅱ device
300. Vehicle OBD-Ⅱ Connector

Claims (7)

External communication devices equipped with an application for receiving vehicle diagnostic data to determine a vehicle state and transmitting data to an external vehicle data management server;
A vehicle OBD-II connector connected to an OBD-II diagnostic apparatus that diagnoses in real time the presence or absence of devices in the vehicle based on status data from electronic control devices in the vehicle;
OBD- connected to the vehicle OBD-II connector to recognize the external communication device to set the communication method to meet the communication standards of the external communication device, and wirelessly transmits the data received through the OBD-II connector to the external communication device Apparatus for communication between the vehicle and the external communication device, comprising a II device. The method of claim 1, wherein the OBD-II device,
An OBD-II interface for connecting to the vehicle OBD-II connector;
A main processor that controls the operation of wirelessly transmitting the data received through the vehicle OBD-II connector according to the communication method of the external communication device by setting the communication method by recognizing the external communication device or manually setting the communication method. Wow,
An apparatus for communication between a vehicle and an external communication device, comprising an integrated communication module supporting Wi-Fi, Bluetooth, Code Division Multiple Access (CDMA), and Near Field Communication (NFC). External communication devices equipped with an application for receiving vehicle diagnostic data to determine a vehicle state and transmitting data to an external vehicle data management server;
A vehicle OBD-II connector connected to an OBD-II diagnostic apparatus that diagnoses in real time whether there is an abnormality of devices in the vehicle based on status data from an electronic control apparatus in the vehicle;
The communication method is set to match the internal communication standard of the vehicle connected to the vehicle OBD-II connector, the communication method is set to match the communication standard of the external communication device by recognizing the external communication device, and the OBD-II connector And an OBD-II device for wirelessly transmitting the data received through the external communication device to the external communication device. The device of claim 3, wherein the OBD-II device comprises:
An in-vehicle communication control unit which is connected to the vehicle OBD-II connector and sets a communication method to meet an internal communication standard of the connected vehicle;
A main processor that controls an operation of wirelessly transmitting data received through an in-vehicle communication control unit according to a communication method of an external communication device by allowing an external communication device to recognize a communication method or to set a communication method manually; ,
A wireless communication control unit supporting Wi-Fi, Bluetooth, Code Division Multiple Access (CDMA), and Near Field Communication (NFC) communication methods,
And a memory for storing the communication method set by the controller and the communication method set by the controller, the internal communication standard of the currently connected vehicle, and the communication method of an external communication device. Device for communication between vehicle and external communication device. 5. The vehicle according to claim 4, wherein the communication standard supported by the in-vehicle communication control unit includes Variable Pulse Width Modulation (PVWM), Pulse Width Modulation (PWM), Controller Area Network (CAN), KWP200, and ISO9141. Device for communication with external communication devices. Recognizing peripheral external communication devices while the OBD-II device is connected to the vehicle OBD-II connector;
Automatically setting a communication method of the OBD-II device through paying according to the recognized communication method of the external communication device;
If the communication method setting of the OBD-II device is not automatically performed, checking the type of the external communication device to manually set the communication method of the OBD-II device;
When the communication method is set, communicating with the OBD-II device and the external communication device, and transmitting, by the OBD-II device, the vehicle diagnostic data received through the vehicle OBD-II connector to the external communication device;
Transmitting the received data to an external vehicle data management server using an application mounted on the external communication device or displaying the data on a screen; and a method for communication between the vehicle and the external communication device, comprising: . 7. The OBD-II device according to claim 6, wherein the OBD-II device is connected to the vehicle OBD-II connector.
Determining a communication standard of the vehicle in the OBD-II device and setting a communication scheme to enable communication with the vehicle diagnostic apparatus through the vehicle OBD-II connector. Way for you.

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