KR20170015009A - Apparatus for supporting smartkey system of vehicle united with mobile device - Google Patents

Abstract

The present invention relates to a smart key supporting device integrated with a mobile device, and more particularly, to a smart key supporting device including a body implemented in a mobile device case or a business card form; (Electronic Control Unit) through a short-range wireless communication module or a long-range wireless communication module, and a short-range wireless communication module, a long-range wireless communication module, and an NFC A communication unit for communicating with the mobile device via the NFC communication module; A processor for transmitting vehicle state information transmitted from the ECU to the mobile device or transmitting vehicle control information from the mobile device to the ECU; And a power supply unit having a battery and generating and providing operation power of the communication unit and the control unit based on the electric power charged in the battery.

Description

TECHNICAL FIELD [0001] The present invention relates to a smart key supporting device for a mobile device,

The present invention relates to a smart key supporting device integrated with a mobile device, and more particularly, to a smart key supporting device for a mobile device that allows a smart device to be utilized by a mobile device when the smart device is integrated into a mobile device.

A smart key system is a system that allows a user with a smart key to open or close a vehicle door or start the engine without having to insert or operate a separate key. This enables the vehicle ECU to authenticate the smart key located adjacent to the vehicle ECU based on the unique identification information of the smart key, and to control the vehicle in various forms through the smart key that has been successfully authenticated.

However, since the smart key applied to the conventional smart key system includes only a predetermined number of buttons, there is a limit to the level of the vehicle state information and the degree of vehicle control that can be provided through the smart key (Korean Patent Laid- -2010-0101849).

That is, although the smart key capable of communicating with the ECU can easily acquire various vehicle status information through communication with the ECU, the conventional smart key is a device focused on downsizing to be portable by a user, The vehicle state information to be provided from the ECU can not be displayed sufficiently and in detail.

Also, since the number of buttons included in the smart key is limited, the type of vehicle control information that can be generated through the smart key support device is limited to a predetermined number.

On the other hand, mobile devices such as smart phones and tablet PCs are always carried by users, and new functions can be easily added by a simple method of downloading and installing applications.

Accordingly, the present invention proposes a smart key support device implemented in a form that can be integrated into a mobile device, and provides a smart key support device that allows a user to utilize the mobile device as a smart key when the smart key support device is integrated with the mobile device ≪ / RTI >

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.

According to an aspect of the present invention, there is provided a mobile device comprising: a body implemented in a mobile device case or a business card form; (Electronic Control Unit) through a short-range wireless communication module or a long-range wireless communication module, and a short-range wireless communication module, a long-range wireless communication module, and an NFC A communication unit for communicating with the mobile device via the NFC communication module; A processor for transmitting vehicle state information transmitted from the ECU to the mobile device or transmitting vehicle control information from the mobile device to the ECU; And a power supply unit having a battery and generating and supplying operating power of the communication unit and the control unit based on the electric power charged in the battery.

The battery may be a general battery or a lithium ion battery having a charge / discharge function.

The power supply unit may include a wired charging module connected to a data port of the mobile device and charging the battery through a power source of the mobile device when the battery is implemented as a general battery or a lithium ion battery having a charging and discharging function, And at least one of a wireless charging module that receives power and charges the battery.

The vehicle state information includes at least one of a password, a vehicle parking position, a travelable distance according to the fuel amount, a date of updating the vehicle information stored in the smart key support device, a gear position, a door opening / closing state, a trunk opening / closing state, Trip computer A average speed, trip computer A average speed, trip computer A vehicle driving time, trip computer B vehicle driving, trip computer A reset travel distance, trip computer B resetable travel distance, trip computer A average speed, Time, trip computer A average fuel consumption, trip computer B average fuel consumption, vehicle fuel consumption reference value, vehicle model name, warning sound presence / absence information, date list maintained by A / S center, vehicle option value, And may include at least one.

The vehicle control information includes a state in which the option value is applied, a state in which the vehicle engine is started, a welcome light is turned on when the vehicle is approaching, a vehicle automatic locking function, a double lock releasing function, If found, the corresponding smart key support device invalidation function, battery saving setting function, vehicle temperature, sunroof status control, window status control, seat heating status control, deformation status control, password, door open command, door lock command, trunk open Command, warning beep, beep warning, engine start, engine off, vehicle information read, vehicle information write.

The present invention proposes a smart key support device implemented as a mobile device protective case or a business card, and enables a mobile device to be used as a smart key when it is in contact with or adjacent to a smart key support device and a mobile device.

Then, the vehicle status monitoring and control operation can be performed using resources such as a touch screen, a speaker, a button, and the like of the mobile device, so that the types of information that can be monitored and the types of objects to be controlled can be dramatically increased.

Also, the monitoring and control operation results are provided in the form of images and texts, thereby enabling the user to perform monitoring and control operations more conveniently and accurately.

1 is an overall configuration diagram of a smart key system according to an embodiment of the present invention.
FIGS. 2A and 2B are diagrams showing an appearance of a smart key support apparatus according to an embodiment of the present invention.
3 is a detailed configuration diagram of a smart key support apparatus according to an embodiment of the present invention.
4 is a detailed configuration diagram of a mobile device according to an embodiment of the present invention.
5A to 5D are views for explaining an NFC communication protocol used for data communication between a smart key supporting apparatus and a mobile device according to an embodiment of the present invention.
6A to 6H are views for explaining a screen configuration method of an application according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art to which the present invention pertains. Only. Therefore, the definition should be based on the contents throughout this specification.

1 is an overall configuration diagram of a smart key system according to an embodiment of the present invention.

1, the smart key system of the present invention includes an ECU (Electronic Control Unit) 100 built in a vehicle, a mobile device 200 carried by a user, a smart key support device 300, and the like .

As shown in FIG. 2A or 2B, the smart key support apparatus 300 of the present invention may be implemented as a mobile device case that protects the external appearance of the mobile device 200, (Or credit card) in a form that can be inserted into the mobile device 200 so that the mobile device 200 can be integrated.

The smart key support device 300 implemented in this form communicates with the ECU 100 through the RF transmission and reception method and communicates with the mobile device 200 through the NFC communication method and transmits and receives data between the ECU 100 and the mobile device 200 And relay the data to be transmitted.

The mobile device 200 has a communication function such as a smart phone, a tablet PC, a notebook, and a smart watch. The mobile device 200 can be implemented as any type of communication device capable of accessing an application providing server and downloading and installing various applications .

Accordingly, the mobile device 200 of the present invention downloads and installs a car application interoperable with the smart key support device 300, and transmits the vehicle status information and the vehicle control menu transmitted through the smart key support device 300 And provides various control values to the ECU 100 through the smart key support device 300 in response to the display. That is, the user can monitor various states of the vehicle through a vehicle application and simultaneously control the vehicle remotely.

The user who uses the smart key support apparatus 300 of the present invention may install the smart key support apparatus 300 implemented as shown in FIG. 2A on the mobile apparatus 200, or may install the smart key support apparatus 300 on the mobile apparatus 200, By inserting the smart key supporting device 300 implemented as shown in FIG. 2B into the card-carrying space provided in the case, the mobile device 200 can be utilized as a smart key.

As a result, the user can utilize the mobile device 200, which is always carried by the user, as a smart key without having to carry a separate smart key.

3 is a detailed configuration diagram of a smart key support apparatus according to an embodiment of the present invention.

Referring to FIG. 3, the smart key support apparatus 300 of the present invention includes a body 310 implemented in a form that can be integrated with the mobile device 200, a communication unit 320, A processor 330, a power supply unit 340, and the like.

The communication unit 320 includes an LF (Low Frequency) communication module 321 for supporting data communication with the ECU 100 located in the vicinity, an RF communication module 322 for supporting data communication with the ECU 100 located at a long distance, And an NFC communication module 323 for supporting data communication with the mobile device 200 in contact with or adjacent to the smart key supporting device 300. [

In particular, the communication unit 320 of the present invention changes the data communication mode actively according to the communication distance between the smart key support device 300 and the ECU 100 as follows.

That is, the LF communication module 321 of the communication unit 320 has a communication distance of about 1.5 m and preferentially utilizes the LF communication module 321 using the communication frequency of 125 KHz to communicate with the ECU 100 And communicates with the ECU 100 using the RF communication module 322 having a communication distance of about 100 m and using a communication frequency of 433.92 MHz or 900 MHz when communication using the LF communication module 321 is impossible .

The NFC communication module 323 performs data communication with the mobile device 200 according to the NFC communication technology. NFC communication technology is a contact smart technology that uses frequency band of 13.56MHz, which supports data transmission of up to 424kbit / s. It is preferable that the NFC communication module 323 is operated in a P2P or card mode, although it can have three modes of P2P (Point To Point), a reader and a card mode capable of 1: 1 communication between devices.

The processor 330 provides smart key identification information to the ECU 100 so that the ECU 100 can recognize the smart key supporting device located around the ECU 100. [ The ECU 100 reads the vehicle condition information (e.g., information on the vehicle management information, the driving information, the parking position, the consumable item, the maintenance details, etc.) collected in the ECU 100 and transmits the information to the mobile device 200, 200 receives the vehicle control information transmitted by the NFC communication method and transmits the received vehicle control information to the ECU 100 again.

The power supply unit 340 may include a battery 341 and an operation power generation unit 342 that converts the power charged in the battery 341 into an operation power of the smart key support apparatus 300 and outputs the converted power.

At this time, the battery 341 may be a commercially available battery or a battery having a charge / discharge function.

However, if the battery 341 has a charging and discharging function, the power supply unit 340 of the present invention may be connected to a data port of the mobile device 200, A charging module 343 for charging the battery 341 with a battery 342 and a wireless charging module 344 for charging the battery 342 by receiving power in a wireless manner and the power charged in the battery 341 by operating power of the smart key supporting device 300 And an operation power generation unit 342 for outputting the operation power.

In particular, the wireless charging module 344 of the present invention converts a received AC power into DC power and supplies the DC power to the battery 341 by converting the received AC power into DC power, receiving the radio power transmitted at a frequency within a range of 100 KHz to 200 KHz, And the receiving antenna functions to improve the efficiency and to operate robustly against the external change by focusing the radio transmission frequency received by the coil and the coil serving as the receiver in the power transmission to the coil. The sheet SHEET may be formed of a sheet SHEET. Of course, this is only one example of the wireless charging module 344, and its implementation may be varied within a range that can charge the battery wirelessly.

2A, when the smart key supporting device 300 is implemented as a mobile device protective case, the battery 341 is implemented as a battery having a charge and discharge function, and the wired charging module 343 It may be desirable to implement the power supply 340 in a form that includes at least one of the wireless charging module 344.

2B, the battery 341 may be implemented as a general battery (for example, a coin battery), and a separate wired charging module 343 may be used. It is desirable to implement the power supply unit 340 in a form that does not include the wireless charging module 344.

The power supply unit 340 of the present invention may include the wired charging module 343 and the wireless charging module 344 at the same time but may include only one of the wired charging module 343 and the wireless charging module 344 .

2A, when the smart key supporting device 300 is implemented as a business card type, both the wired charging module 343 and the wireless charging module 344 can be provided. However, if only the wireless charging module 344 is provided It might be. In this case, it will be easier for the smart key support device 300 to be inserted into the card-carrying space provided in the mobile device case.

4 is a detailed configuration diagram of a mobile device according to an embodiment of the present invention.

4, the mobile device 200 of the present invention may include a communication unit 210, a control unit 220, a vehicle application 230, a data input / output unit 240, and the like. Of course, the mobile device 200 may additionally include a video call function, an internet surfing function, a camera shooting function, etc., but a description thereof will be omitted and only functions related to the smart key support device will be mainly described do.

The communication unit 210 includes an NFC communication module 211 for supporting data communication with the smart key support device 300 that is in contact with or adjacent to the mobile device 200 in addition to the remote communication module 211 that can access the mobile communication network or the data communication network, 222). It is preferable that the NFC communication module 222 at this time is operated in the P2P or reader mode.

The controller 220 includes an operating system of the mobile device, and controls the overall operation of the mobile device through the operating system. In particular, after accessing the application server according to a user request to download and install the vehicle application, if the smart key support device 300 is recognized through the NFC communication module 222, the vehicle application is executed under the user's consent, So that it can be used.

The vehicle application 230 includes a vehicle management menu, a driving information menu, a parking position menu, a vehicle information menu, a consumable management menu, a maintenance history confirmation menu, and a vehicle control menu, And provides the smart key support device 300 with the vehicle control information by generating vehicle control information corresponding to the user's request by visualizing the vehicle status information read from the NFC chip built in the smart key support device 300, And indirectly controlling the vehicle ECU 100 through the control unit.

The data input / output unit 240 includes a touch screen, a monitor, and a keypad for supporting data input / output operations, so that the user can audibly receive vehicle status information or acquire various control values input by the user do.

5A to 5D are views for explaining an NFC communication protocol used for data communication between a smart key supporting apparatus and a mobile device according to an embodiment of the present invention.

As shown in FIGS. 5A to 5D, the NFC communication protocol includes a protocol (Read Car Status) for acquiring information on the vehicle status using a smart key supporting device equipped with an NFC communication module, an NFC communication module (Write Car Setting) for controlling the state of the vehicle by using a smart key support device, and a protocol for controlling the vehicle (door opening / closing, trunk opening / closing, warning sound generating / A protocol (write command setting), and a protocol (Read Command Status Protocol) for checking whether the control protocol is normally transmitted to the vehicle.

More specifically, through the protocol "Read Car Status "," password, ", " Park Location ", " DriveToEmpty " A parking lot status, a vehicle room lamp status (RoomLampState), a tire air pressure abnormality confirmation (TirePressure), a vehicle status, a vehicle status, a date and time, a date, a data date, a gear position, a door open / close status, Trip computer A resettable trip distance Trip computer B resettable tripmeter B Trip computer A average speed Average speed A Trip computer B average speed Average speed B Trip computer A The driving time of the trip computer B (DrivingTime_B), the trip computer A average fuel economy (AverageFuelCon_A), the trip computer B average fuel economy (AverageFuelCon_B) (ServiceList1,2), a vehicle option value (Option Value), an engine start value (EcoStandard), a vehicle model name (VehicleInfo), a warning sound presence / absence notification (VehicleDiag) A settable vehicle control value (RKE-Cranking Info.) &Quot;, and the like.

Option Writing Status, RKE-Cranking Option, WelcomeLight Option when the vehicle is approaching, and Vehicle Auto-Stop after stopping the vehicle, through the protocol "Write Car Setting" If you find an effective smart key support device in the ARM state, you can disable the smart key support device (Deactivation Option), battery saving setting (Battery Saving Vehicle control such as Option, Vehicle Temperature, Sun Roof, Window State, Heating Seat, Defogger, Password, etc. Information can be conveyed.

By using the protocol "Write Command Setting", the door open command (LOCK), door lock command (UNLOCK), trunk open command (TRUNK), PANIC START, (Vehicle control command) such as ENGINE START, ENGINE STOP, CAR INFO READ, CAR INFO WRITE, and the like.

It is possible to provide a button information transmission result (i.e., a vehicle control command transmission result) such as a button operation completion confirmation (SUCCESS) and a button operation completion failure (FAIL) through the protocol "Read Command Status Protocol ".

6A to 6H are views for explaining a screen configuration method of an application according to an embodiment of the present invention.

6A is an application start screen. When the vehicle application 330 is executed by the user in a state where the mobile device 200 recognizes the smart key support device 300 that is in contact with and adjacent to the smart device 300, Is the start screen that application 330 first provides.

The application start screen may include a plurality of main menus, and the user can perform a vehicle control operation or a vehicle condition monitoring operation through these menus. That is, a vehicle control menu including a door open menu LOCK, a door lock menu UNLOCK, a trunk menu TRUNK, a warning menu PANIC, and the like, (i) and the like.

When the user requests door open or lock operation, requests a trunk opening operation, or generates a warning sound through the icon provided in the vehicle control menu, the vehicle application generates vehicle control information reflecting the icon selection result And transmits it to the smart key support device 300 through the NFC protocol "Write Command Setting ".

The smart key support apparatus 300 converts the vehicle control information received in the NFC communication method into the RF communication system and transmits the same to the ECU 100 so that the ECU 100 transmits the vehicle control information To change the state of the door, trunk, or beep of the vehicle according to the state of the vehicle.

The screen of FIG. 6B is a vehicle monitoring screen linked to the vehicle monitoring menu (i), which includes a vehicle management menu, a travel information menu, a parking position menu, a vehicle information menu, a consumables management menu, And the like.

Each of the vehicle management menu, the driving information menu, the parking position menu, the vehicle information menu, the consumable item management menu, the maintenance history confirmation menu, and the vehicle control menu forms a link relationship with the screen shown in FIGS. 6C to 6F, , The driving information menu, the parking position menu, the vehicle information menu, the consumable item management menu, the maintenance history confirmation menu, and the vehicle control menu, so that more detailed information on the vehicle condition can be provided.

That is, the information of the vehicle state, the tire state, and the cluster state is displayed on the screens of FIG. 6C linked to the vehicle management menu, the distance travelable by fuel remaining in the vehicle through the travel information menu, the ECO, Information (image or text form) about the vehicle parking position linked to the parking position menu is displayed on the screens of FIG. 6D, the vehicle model, total mileage, average fuel consumption 6F linked to the consumable item management menu, information on the state of the vehicle consumables such as the engine oil, the filter, the air cleaner filter, and the filter for the air conditioner is displayed on the screen of FIG. 6F linked to the maintenance history confirmation menu, Through the screen, you can check the information about the summary. 6C to 6G may be extracted from the vehicle status information provided by the smart key support device which is in contact with or adjacent to the mobile device 200 via the protocol "Read Car Status ".

In addition, through FIG. 6h linked to the vehicle control menu, vehicle options such as remote start, vehicle temperature, sunroof, and seat heating line can be adjusted and passwords can be registered / reset. The information obtained through the screen of FIG. 6H may be provided by the mobile device 200 to the smart key support device 300 through the protocol "Write Command Setting. &Quot;

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

Claims (5)

A body implemented in the form of a mobile device case or business card;
(Electronic Control Unit) through a short-range wireless communication module or a long-range wireless communication module, and a short-range wireless communication module, a long-range wireless communication module, and an NFC A communication unit for communicating with the mobile device via the NFC communication module;
A processor for transmitting vehicle state information transmitted from the ECU to the mobile device or for transmitting vehicle control information from the mobile device to the ECU; And
And a power supply unit having a battery and generating and supplying operating power of the communication unit and the control unit based on the electric power charged in the battery. The battery pack according to claim 1, wherein the battery
And a lithium ion battery having a charge / discharge function. 3. The apparatus of claim 2, wherein the power supply unit
When the battery is implemented as a general battery or a lithium ion battery having a charging and discharging function, the wired charging module connected to the data port of the mobile device and charging the battery through the power of the mobile device receives power in a wireless manner And a wireless charging module for charging the battery. 2. The method according to claim 1,
The date of the vehicle information update stored in the smart key support device, the gear position, the door opening / closing state, the trunk opening / closing state, the parking brake state, the vehicle room lamp status, Trip computer A speed, Trip computer A average speed, Trip computer A average speed, Trip computer A vehicle travel time, Trip computer B vehicle travel time, Trip computer A An average fuel consumption rate, trip computer B average fuel consumption, vehicle fuel consumption reference value, vehicle model name, warning sound presence / absence information, date lists maintained by the A / S center, vehicle option values, Wherein the smart key is a smart key. The method according to claim 1, wherein the vehicle control information
When the option value is applied or not, the vehicle engine is started, the welcome light is turned on when the vehicle is approaching, the vehicle is automatically locked after the vehicle stops, the double unlock function is enabled, Door open command, door lock command, trunk open command, beep sound, on / off function, battery saving function, vehicle temperature, sunroof state control, window state control, sheet heating line state control, Wherein the at least one smart key includes at least one of a beep sound, a beep sound, an engine start, an engine off, a vehicle information read, and a vehicle information write.

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