KR20190071171A - Wireless charger, vehicle having the same and method for controlling the same - Google Patents

Abstract

The present invention relates to a vehicle having a wireless charging apparatus and a control method of the vehicle. According to the present invention, the wireless charging apparatus placed in the vehicle comprises: a coil for wirelessly charging a terminal; a communication unit which receives exit information of a user from the vehicle; an electric intensity detection unit which detects an electric intensity of a signal received by the coil; a control unit which checks the electric intensity of the received signal detected by the electric intensity detection unit before the user exits a vehicle to, when the exit information of the user is received, checks the electric intensity of the received signal detected by the electric intensity detection unit after the user exits the vehicle, and if the electric intensity is the same before and after the user exits the vehicle, controls an output of notification information on the absence of the terminal; and a sound output unit which outputs the notification information on the absence of the terminal as a sound. The present invention aims to provide the vehicle having the wireless charging apparatus and the control method of the vehicle, which are able to recognize a position of a terminal and to output a notification information corresponding to the position of the terminal.

Description

The present invention relates to a wireless charging device, a vehicle having the wireless charging device, and a control method thereof.

The present invention relates to a wireless charging device for charging a terminal wirelessly, a vehicle having the wireless charging device, and a control method thereof.

BACKGROUND ART [0002] A vehicle is a machine that drives a wheel and moves on a road. The machine includes an engine, a power transmitting device that receives the power of the engine and transmits the power to the wheel, a steering device that adjusts the running direction of the vehicle, A suspension device for blocking transmission to the vehicle, and the like.

Such a vehicle further includes an electronic device such as a hands-free device, a GPS receiver, a Bluetooth device, and a high-pass device installed for the convenience of the driver, and includes a communication device for communication with an external terminal and a charging device .

The conventional charging device is a wired type charging device, and when an external terminal is connected by a cable, power for charging is supplied to the terminal through a cable.

In such a wired type charging device, there is an inconvenience that a user must connect an external terminal through a cable by hand.

In recent years, a wireless charging device that does not require a line has been actively developed.

A wireless charging apparatus for performing communication with a terminal and recognizing a position of a terminal based on an electric field strength of a reception signal of a communication signal with the terminal and outputting notification information corresponding to the position of the terminal, ≪ / RTI >

Another aspect provides a wireless charging device for switching a charging mode to a communication mode based on whether the ignition is turned off, the door is opened, and the door is locked, a vehicle having the same, and a control method thereof.

According to an aspect of the present invention, a wireless charging apparatus includes: a coil for charging a terminal wirelessly; A communication unit for receiving the user's getting off information from the vehicle; An electric field detector for detecting an electric field intensity of a reception signal received by the coil; The electric field strength of the received signal detected by the electric field detector is checked before the user gets off, and when the user's getting off information is received, the electric field strength of the received signal detected by the electric field detector is checked after the user gets off, The control unit controls the output of the notification information about the smile of the terminal; And a sound output unit for outputting, as a sound, notification information about the smile of the terminal.

The user's getting-off information includes at least one of opening / closing information of a door of a vehicle, lock / unlock information of a door of the vehicle, and startup information of the vehicle.

When the door opening information is received, the control unit of the wireless charging device performs the communication mode using the coil, stores the electric field strength of the reception signal detected by the electric field detection unit during the communication mode as the first intensity, Storing the electric field strength of the received signal detected by the electric field detector as a second intensity and controlling output of notification information on the terminal's smile when the first and second intensities are identical.

The control unit of the wireless charging device performs the communication mode using the coil when the door unlocking information is received, stores the electric field intensity of the reception signal detected by the electric field detection unit during the communication mode as the first intensity, Storing the electric field strength of the received signal detected by the electric field detector as a second intensity and controlling the output of notification information on the terminal's smile when the first and second intensities are the same.

The control unit of the wireless charging device includes performing a charging mode using the coil when the startup information corresponding to the startup ON state of the vehicle is received.

The wireless charging apparatus according to one aspect further includes a display unit for displaying notification information on the terminal's micro-mirror.

According to one aspect of the present invention, there is provided a wireless charging apparatus comprising: a first driver for applying an electric current to a coil to form an electromagnetic field around a coil; and a controller for generating an AC voltage corresponding to a control command of the controller, And a second driving unit for converting the received electromagnetic wave into an AC voltage when the electromagnetic wave is received through the coil, wherein the control unit controls the driving of the first driving unit in performing the charging mode using the coil, And controlling the driving of the second driving unit when performing the communication mode using the coil.

A vehicle according to another aspect includes: an opening / closing detector for detecting opening / closing of a door; A startup unit for receiving start-off information; A coil for charging the terminal wirelessly; and an electric field detector for detecting the electric field strength of the reception signal received by the coil. When the start-off information is received, based on the door open / Which is detected when the door is closed and the electric field strength of the two received signals are the same, and controls the output of the notification information of the terminal's smile A charging device; And a sound output unit for outputting, as a sound, notification information about the smile of the terminal.

According to another aspect of the present invention, a wireless charging apparatus for a vehicle performs a communication mode using a coil when start-off information is received, requests a terminal to output a response signal during execution of a communication mode, And checking the electric field strength.

The wireless charging apparatus of a vehicle according to another aspect includes performing a charging mode using a coil when the startup information of the vehicle is received.

The wireless charging apparatus of the vehicle according to another aspect further includes a display unit for displaying notification information about the microscope of the terminal.

A wireless charging apparatus for a vehicle according to another aspect includes a first driving unit for applying an electric current to a coil to form an electromagnetic field around a coil and a second driving unit for causing an AC voltage corresponding to the control command to be emitted as an electromagnetic wave through a coil, A second driving unit for converting the received electromagnetic wave into an AC voltage when the electromagnetic wave is received through the first driving unit and a second driving unit for controlling the driving of the first driving unit during the charging mode using the coil, And a control unit for controlling the driving.

According to another aspect of the present invention, there is provided a wireless charging apparatus for a vehicle, comprising: a lock detecting unit detecting lock and unlock of a door; A startup unit for receiving start-off information; A coil for charging the terminal wirelessly; and an electric field detector for detecting an electric field intensity of a reception signal received by the coil, wherein when the start-off information is received, on the basis of the detection information detected by the lock detector, A wireless charging device that acquires the electric field intensity of the detected reception signal and the electric field intensity of the reception signal detected when the door is locked and controls the output of the notification information about the terminal's smile when the electric field strengths of the two received signals are the same Device; And

The vehicle according to another aspect includes a sound output section for outputting sound information of the notice of the terminal's smile to the sound.

According to another aspect of the present invention, a wireless charging apparatus of a vehicle performs a communication mode using a coil when start-off information is received, requests a terminal to output a response signal during execution of a communication mode, And checking the field strength of the signal.

A wireless charging apparatus for a vehicle according to another aspect includes performing a charging mode using a coil when the startup information of the vehicle is received.

The vehicle according to another aspect further includes a display unit for displaying notification information on the microscope of the terminal.

According to another aspect of the present invention, there is provided a method of controlling a vehicle equipped with a wireless charging device for wirelessly charging a terminal, the method comprising: controlling the charging mode of the wireless charging device when the startup information of the vehicle is received; If it is determined that the vehicle is stationary, the controller controls the communication mode of the wireless charging device, checks the electric field intensity of the reception signal received through the coil provided in the wireless charging device, determines whether or not the user is getting off, The electric field strength of the received signal received through the coil of the wireless charging device is checked at the time of getting off and the notification information about the terminal's smile is output when it is determined that the electric field intensity of the received signal before and after the user gets off is the same.

The determination as to whether or not the user gets off includes detecting an operating state of the door provided in the vehicle and determining that the user has left the door when the door is switched from the open state to the closed state.

Determining whether or not the user is getting off includes detecting a locked state and an unlocked state of the door provided in the vehicle and determining that the user has left the vehicle when the door is changed from the unlocked state to the locked state.

The determination that the vehicle is in the stop state includes determining that the vehicle is in a stop state when the start-off information of the vehicle is received.

When it is determined that the vehicle is in a stopped state, it is determined that the vehicle is in a stopped state when the running speed of the vehicle is zero and the position of the shift lever is the parking end (P-stage), by checking the running speed of the vehicle and the position of the shift lever do.

When the difference between the electric field intensities before and after the user departs is equal to or less than the reference value, it is determined that the electric field intensity of the received signal before and after the user gets off is the same As the case may be.

The outputting of the notification information on the microscope of the terminal includes controlling the operation of at least one of the sound output unit and the display unit provided inside the vehicle to control the output of the notification information on the microscope of the terminal.

The present invention can perform communication between the wireless charging device and the terminal by using the coil of the wireless charging device as a radiator without mounting an additional antenna. Accordingly, it is possible to reduce the installation cost of an antenna for communication with a terminal when manufacturing a vehicle.

The present invention can perform communication with the terminal by switching the charging mode of the wireless charging device to the communication mode at the time of starting off, opening the door of the vehicle, or locking the door of the vehicle. Based on the strength of the received signal field strength And can output information on the position of the terminal to the user according to the terminal position recognition result.

Therefore, the present invention can prevent the user from leaving the terminal in the vehicle, thereby improving the convenience of the user.

The present invention can be applied not only to a terminal but also to a remote control device (e.g., a smart key, a pobble key, etc.) by using a coil of a wireless charging device, It is possible to recognize the position of the remote control device and output the notification information about the position of the remote control device to the user.

Therefore, the present invention can prevent the user from dropping the remote control device inside the vehicle.

The present invention can reduce the installation cost of an antenna for recognizing a remote control device.

As described above, the present invention can improve the quality and merchantability of the wireless charging device and the vehicle having the wireless charging device, and can further enhance the satisfaction of the user and secure the competitiveness of the product.

1 is an external view of a vehicle according to an embodiment of the present invention.
2 is an internal view of a vehicle according to an embodiment.
3 is an exemplary diagram of a wireless charging device provided in a vehicle according to an embodiment.
4 is a structural diagram of a wireless charging apparatus provided in a vehicle according to an embodiment.
5 is a control configuration diagram of a vehicle according to an embodiment.
6A and 6B are explanatory diagrams of a charging principle of a wireless charging device provided in a vehicle according to an embodiment.
7 is a configuration diagram of a second driving unit of a wireless charging device provided in a vehicle according to an embodiment.
8 is a control flowchart of a vehicle according to an embodiment.
9 is a control configuration diagram of a vehicle according to another embodiment.

Like reference numerals in the drawings denote like elements throughout the specification. The description does not describe all the elements of the embodiments, and redundant descriptions are omitted from the general contents or embodiments in the technical field to which the present invention belongs. The term 'part, module, member, or block' used in the specification may be embodied in software or hardware, and a plurality of 'part, module, member, and block' may be embodied as one component, It is also possible that a single 'part, module, member, block' includes a plurality of components.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only the case directly connected but also the case where the connection is indirectly connected, and the indirect connection includes connection through the wireless communication network do.

Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

The terms first, second, etc. are used to distinguish one element from another, and the elements are not limited by the above-mentioned terms.

The singular forms " a " include plural referents unless the context clearly dictates otherwise.

In each step, the identification code is used for convenience of explanation, and the identification code does not describe the order of the steps, and each step may be performed differently from the stated order unless clearly specified in the context. have.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an external view of a vehicle according to an embodiment, and FIG. 2 is an internal view of a vehicle according to an embodiment.

The vehicle 100 includes a body having a built-in and an exterior, and a chassis in which a mechanical device necessary for traveling to a remaining portion except for the vehicle body is installed.

1, the exterior 110 of the vehicle body includes a front panel 111, a bonnet 112, a roof panel 113, a rear panel 114, a trunk 115, front and rear right and left doors 116, And a window glass 117 provided on the left and right doors 116 so as to be openable and closable.

The front and rear left and right doors 116 may be provided with an opening and closing unit for opening or closing the door and a locking unit for locking or unlocking the door.

The exterior of the vehicle body includes a filler 118 provided at the boundary between the front panel, the bonnet, the roof panel, the rear panel, the trunk, the window glass of the front and rear doors, and the side mirror 119).

2, the interior body 120 of the vehicle body includes a seat 121 on which an occupant sits, a dashboard 122, and a tachometer 120. The tachometer 120 includes a tachometer, a speedometer, a coolant thermometer, a fuel meter, (I.e., a cluster 123) in which a door open warning lamp, an engine oil warning lamp, and a fuel shortage warning lamp are arranged, and an air conditioner And a center fascia 124 in which an audio device is disposed.

The center fascia 124 may include a head unit 125 for controlling audio equipment, an air conditioner and a heater, and a multi terminal 126 to which an external terminal is connected.

The multi terminal 126 may be disposed at a position adjacent to the head unit 125, and may include a USB port and an AUX terminal, and may further include an SD slot.

The multi terminal 126 performs a function as a communication interface for communication between the vehicle and the external terminal and also performs a charging function for charging the external terminal with the wire.

The vehicle 100 may further include an input unit 127 for receiving operation commands of various functions, and a display unit 128 for displaying operation information of various functions and information input by the user.

The input unit 127 includes at least one physical button such as an operation ON / OFF button for various functions, a button for changing setting values of various functions, and the like.

The vehicle frame includes a plurality of wheels 131, a steering wheel 132 of the steering apparatus connected to the inside of the vehicle, a brake pedal 133 pressed by the user in accordance with the braking will of the user, And an accelerator pedal 134 that is pushed by the user according to the user's acceleration will.

The vehicle's vehicle frame further includes a drive device for applying driving force and braking force to the front, rear, left and right wheels such as a power generating device, a power transmitting device, a steering device, a braking device, a suspension device,

The power generating device may include an engine, a fuel device, a cooling and refueling device, and an electric device.

In addition, the vehicle may be provided with various safety devices for the safety of the driver and the occupant.

Examples of the stabilizing device of the vehicle include an airbag control device for the purpose of safety of a passenger such as a driver in the event of a vehicle collision, a vehicle stability control device (ESC) for controlling the attitude of the vehicle when accelerating or cornering the vehicle, And monitoring devices (TPMS).

The vehicle 100 includes an electronic control unit (ECU) that controls the driving device, various safety devices, and various detection devices.

The vehicle 100 may further include a start button 129 for inputting an operation command to the starter motor (not shown).

The vehicle 100 operates a starter motor (not shown) when the starter button is turned on, and drives an engine (not shown), which is a power generator, through the operation of the starter motor.

The vehicle 100 further includes a battery (not shown) electrically connected to the audio equipment, an indoor unit, a starter motor, and other electronic devices to supply driving power. Such a battery performs charging using power from the self-generator or the engine while driving.

The vehicle 100 further includes electronic devices such as a hands-free device, a GPS receiver, an audio device, and a Bluetooth device, a high-pass device, etc. installed for the convenience of the driver,

As shown in FIG. 3, the vehicle may further include a wireless charging device 200 for charging at least one of an external terminal and a smart key.

The wireless charging device 200 charges the terminal wirelessly and may adopt at least one of a magnetic induction method, a magnetic resonance method, and a microwave method.

In this embodiment, a wireless charging device of a magnetic induction type will be described.

The wireless charging device 200 generates an electromagnetic field when charging the terminal 300 wirelessly, thereby allowing the terminal 300 to be charged by the electromagnetic induction phenomenon between the terminal 300 and the terminal 300. [

The wireless charging device 200 radiates the alternating voltage modulated by the transmission portion into the atmosphere as an electromagnetic wave when transmitting a signal when communicating with the terminal 300 and converts the electromagnetic wave into an alternating voltage evaluated by the receiving portion when receiving the signal As shown in Fig.

The wireless charging device 200 communicates with the user terminal 300, identifies the strength of the signal field of the received signal when communicating with the terminal, and recognizes the positional change of the terminal based on the confirmed signal field strength.

4 is an exemplary diagram of a wireless charging device 200 provided in a vehicle according to an embodiment.

The wireless charging device 200 includes a main body 210 which is recessed from one side of the center fascia 124 to form a seating part.

The main body 210 of the wireless charging device may be provided in the center fascia 124 and may be provided in a part formed in a horizontal plane so that the terminal or the smart key can be stably installed.

Here, the portion formed by the horizontal plane may be the position around the shift lever of the area of the center pace.

The main body 210 of the wireless charging apparatus includes a pad 211 on which a bottom surface is formed and on which a rechargeable device is seated and a side surface connecting the outer surface of the pad 211 and one surface of the center pace.

Here, the side surface may be formed in a circular or polygonal shape depending on the shape of the pad 211.

The wireless charging device 200 further includes a coil part 220 embedded in the lower side of the pad. Here, the coil part 220 includes a first coil 221 and a second coil 222 provided on one side of the first coil 221.

In this embodiment, the coil portion may include two coils, but may include one or more than three coils depending on the embodiment.

The coil of the coil part 220 generates an electromagnetic field when a current is applied when the wireless charging device performs the charging mode.

That is, the first coil and the second coil of the coil part 220 receive electric power from the power source part to form electromagnetic fields, respectively.

The coil of the coil part 220 generates an electromagnetic wave when the wireless charging device performs the communication mode.

5 is a control configuration diagram of a vehicle having a wireless charging device according to an embodiment.

The vehicle includes an opening / closing detector (140), a lock detector (150), a starter (160), and a wireless charging device (200).

The opening / closing detection unit 140, the lock detection unit 150, and the startup unit 160 are components for recognizing the operation state of the vehicle to determine the willingness to get off the user, that is, the driver.

The opening / closing detecting unit 140 detects the operating states of the respective opening / closing units and transmits door opening / closing information corresponding to the operating states of the opening / closing units to the wireless charging device 200. That is, the opening / closing detector 140 transmits the opening / closing information on the opened state and the closed state of each door to the wireless charging device 200.

The present embodiment may include only the opening / closing detector for detecting the operating state of the opening / closing part of the door provided in the driver's seat.

The lock detecting unit 150 detects the operation states of the lock units and transmits the lock information of the doors corresponding to the operation states of the lock units to the wireless charging device 200. That is, the lock detector 150 transmits the door lock information to the wireless charging device 200 with respect to the locked state and the unlocked state of each door.

It is also possible that the present embodiment includes only the lock detecting portion for detecting the operating state of the lock portion of the door provided in the driver's seat.

The startup unit 160 acquires the startup ON state and the startup OFF state corresponding to the operation state of the start button 129 and transmits the obtained startup information to the wireless charging apparatus 200. [

The startup unit 160 can acquire the operation state of the key inserted into the key box (not shown).

The wireless charging device 200 communicates with at least one of the opening and closing detector 140, the lock detector 150 and the startup unit 150 and is configured to detect opening and closing information of the opening and closing detector 140, And the starting information of the starting unit 150. If the driver's departure is recognized, the controller 300 confirms a change in the position of the terminal 300 and outputs notification information about the position of the terminal 300 .

The wireless charging apparatus 200 includes a coil unit 220, a communication unit 230, an electric field detector 240, a controller 250, a storage unit 251, a first driving unit 260, a second driving unit 270, A display unit 280 and a sound output unit 290.

The coil part 220 includes one or more coils and forms an electromagnetic field for charging the terminal according to a driving command of the first driving part or an electromagnetic wave for communication with the terminal according to a driving command of the second driving part Release and receive.

The communication unit 230 communicates with at least one of the open / close detection unit 140, the lock detection unit 150 and the startup unit 160. The open / close detection unit 140 may include opening / closing information, lock information of the lock detection unit 150, And transmits the start information of the unit 160 to the control unit 250.

The communication unit 230 can receive at least one of the opening / closing information of the opening / closing detector 140, the lock information of the lock detector 150, and the startup information of the startup unit 160 as the driver's departure information.

The communication unit 230 may perform communication with various electronic devices provided in the vehicle.

The communication unit 230 may include at least one of a short-range communication module, a wired communication module, and a wireless communication module. The communication unit 230 may include at least one component that enables communication with various electronic devices in the vehicle.

The short-range communication module uses a wireless communication network, such as a Bluetooth module, an infrared communication module, an RFID (Radio Frequency Identification) communication module, a WLAN (Wireless Local Access Network) communication module, an NFC communication module, and a Zigbee communication module, And may include various short range communication modules for transmitting and receiving.

The wired communication module may be a wired communication module such as a CAN (Controller Area Network) communication module, a local area network (LAN) module, a wide area network (WAN) module, or a value added network Communication module, various cable communication such as USB (Universal Serial Bus), HDMI (High Definition Multimedia Interface), DVI (Digital Visual Interface), RS-232 (recommended standard232), power line communication or POTS Modules.

The electric field detector 240 detects the field intensity of the received signal in the communication mode of the wireless charging device.

The electric field detector 240 may include an electric field intensity meter for detecting the intensity of electromotive force induced in the coil portion.

The control unit 250 determines whether the vehicle is stationary, determines whether the driver is off when the vehicle is stationary, recognizes a change in the position of the terminal when the driver is determined to be off, And controls the operation of at least one of the display unit and the sound output unit so as to output notification information about the unloading operation.

The control unit 250 can determine whether the vehicle is in a stopped state based on the starting information of the starting unit. That is, the controller 250 determines the startup off state based on the startup information of the startup unit 160, and can determine that the vehicle has stopped when it is determined that the vehicle is in the startup off state.

The control unit 250 can determine whether the driver is willing to get off based on at least one of the open / close state and the locked state of the door.

More specifically, the control unit 250 determines whether the door is open or closed based on the opening / closing information detected by the opening / closing detector 140. If it is determined that the door is changed from the open state to the closed state, .

The controller 250 determines the door lock and unlock state based on the lock information detected by the lock detector 150. If it is determined that the door is changed from the unlocked state to the locked state, the controller 250 determines that the driver has left.

The control unit 250 checks the open / closed state of the door if the vehicle is in the start-off state, controls the operation mode of the wireless charging device to the communication mode when it is determined that the door is open, performs communication with the terminal in the communication mode, The controller checks the electric field strength of the received signal detected by the electric field detector during communication with the terminal and stores the checked electric field intensity as a first intensity.

If it is determined that the door is changed to the closed state based on the detection information detected by the opening / closing detector 140, the controller 250 checks the electric field strength of the reception signal detected by the electric field detector during communication with the terminal, As a second century.

The control unit 250 compares the first and second intensities corresponding to the change in the open / closed state of the door to obtain the difference between the first and second intensities, and if the difference in the obtained intensities exceeds the reference value, And judges that the position of the terminal is the same if the difference in the obtained intensity is less than the reference value.

The control unit 250 determines that the terminal is located inside the vehicle when it is determined that the location of the terminal is the same, and controls the output of the notification information about the terminal's smile.

If it is determined that the door is in the unlocked state, the control unit 250 controls the operation mode of the wireless charging device to be the communication mode. If the door is in the unlocked state, And confirms the electric field intensity of the received signal detected by the electric field detector during communication with the terminal and stores the confirmed electric field intensity as the first intensity.

If it is determined that the door has been changed to the locked state based on the detection information detected by the lock detection unit, the control unit 250 confirms the electric field strength of the reception signal detected by the electric field detection unit during communication with the terminal, Stored as a century.

The controller 250 obtains the difference between the first and second intensities corresponding to the change in the locked state of the door, determines that the position of the terminal has changed when the difference in the obtained strength exceeds the reference value, It is possible to determine that the positions of the terminals are the same.

The control unit 250 requests the terminal 300 to output a response signal when communicating with the terminal 300 and checks the field strength of the received signal with respect to the received response signal when the terminal 300 receives the response signal. That is, the controller 250 checks the electric field intensity of the signal detected by the electric field detector 240.

The control unit 250 controls the driving of the first driving unit in the charging mode using the coil and the driving of the second driving unit in the communication mode using the coil.

More specifically, when the operation mode of the wireless charging device is the charging mode, the controller 250 controls the operation of the power supply unit (not shown) and the first driving unit to apply a current to the coil of the coil unit.

The wireless charging principle of the terminal using the wireless charging device 200 will be described with reference to Figs. 6A and 6B.

Figs. 6A and 6B show the structure of the coil of the wireless charging device and the coil of the terminal and the direction of the electromagnetic field in such a structure. Fig.

The wireless charging device 200 includes at least one coil 221 for transmitting wireless power to the terminal 300 and the terminal 300 also includes at least one coil 310 for generating wireless power .

The wireless charging device 200 of the vehicle transmits the power of the power source unit to the coil 221 of the coil part 220. At this time, a current flows through the coil 221 of the coil part, and an electromagnetic field is formed around the coil 221 by the current flowing through the coil.

When the terminal 300 approaches the electromagnetic field of the wireless charging device, an electromagnetic field is generated around the coil portion 310 of the terminal due to the influence of the electromagnetic field of the coil 221 of the wireless charging device, 310, and the terminal 300 is charged by the induced current.

Such a terminal 300 may include a battery (not shown) for storing wireless power.

The control unit 250 confirms the transmission power requested by the terminal when the operation mode of the wireless charging device is the charging mode, confirms the current corresponding to the confirmed transmission power, and controls the operation of the power supply unit (not shown) Can be controlled.

The control unit 250 switches the operation mode of the wireless charging device to the charging mode when the vehicle is in the startup ON state. At this time, the controller 250 controls the driving of the first driver 260.

The control unit 250 can switch the operation mode of the wireless charging device to the communication mode if the vehicle is in the start-off state. At this time, the controller 250 controls the driving of the second driver 270.

Although the control unit of the present embodiment is described as being provided in the wireless charging device, it may be provided in the vehicle.

That is, the controller 250 includes a memory (not shown) for storing data for a program reproducing an algorithm or an algorithm for controlling the operation of components in the vehicle, and a processor (not shown) for performing the above- (Not shown). At this time, the memory and the processor may be implemented as separate chips. Alternatively, the memory and the processor may be implemented on a single chip.

The storage unit 251 stores the identification information of the terminal and stores the field strength of the received signal when communicating with the terminal 300. [

That is, the storage unit 251 stores the electric field intensity at the time of opening the door as a first intensity, and stores the electric field intensity at the time of the door closing as the second intensity.

In addition, the storage unit 251 may store the electric field intensity at the door unlocking time as the first intensity, and store the electric field intensity at the door closing time as the second intensity.

The storage unit 251 may be a nonvolatile memory device such as a cache, a read only memory (ROM), a programmable ROM (PROM), an erasable programmable ROM (EPROM), an electrically erasable programmable ROM (EEPROM) (Random Access Memory), or a storage medium such as a hard disk drive (HDD) and a CD-ROM. However, the present invention is not limited thereto. The storage unit may be a memory implemented in a separate chip from the above-described processor in association with the control unit, and may be implemented as a single chip with the processor.

The first driving unit 260 may include an inverter unit including a rectifying unit of a full bridge or a half bridge and having at least one switching device.

The first driving unit 260 converts the DC power of the power supply unit into AC power by turning on and off the switching elements of the inverter unit based on the command of the controller 250 and outputs the AC power to the switching unit The intensity of the current supplied to at least one coil 221 of the coil part can be adjusted by adjusting the duty ratio.

The first driving unit 260 allows the electromagnetic field to be formed through at least one coil of the coil part 220.

The power supply unit (not shown) of this embodiment supplies power to the coils of the coil unit 220, which can generate the transmission power requested by the terminal, based on a command from the controller 250.

The power supply unit may be connected to a battery provided in the vehicle to receive power from the battery.

It is also possible to supply power to the first coil and the second coil of the coil part at the same time and to supply power only to the coil selected by the user out of the first coil and the second coil.

It is also possible that the power supply unit supplies power to only the coil selected by the control unit 250. [ The power supply unit may further include a switch for selectively supplying power to the first coil and the second coil.

The second driving unit 270 emits electromagnetic waves through the coils of the coil part based on the control command of the controller 250 and receives the electromagnetic waves through the coils of the coil part.

7, the second driving unit 270 includes a signal processing unit 271, a transmitting unit 272, and a receiving unit 273.

The signal processing unit 271 converts the digital communication signal transmitted from the control unit 250 into an analog communication signal and transmits the converted analog communication signal to the transmitting unit 272.

Where the digital communication signal may contain data

The analog communication signal may be a low frequency communication signal.

The signal processor 271 converts the analog communication signal transmitted from the receiver 273 into a digital communication signal and transmits the converted digital communication signal to the controller 250. [

The signal processing unit 271 may include a conversion unit (ADC) for converting an analog communication signal into a digital communication signal.

The signal processing unit 271 can also remove the noise of the received communication signal.

The transmission unit 272 modulates a communication signal of a low frequency into a communication signal of a high frequency by using a radio frequency (RF) signal of a local oscillator (not shown), and transmits the modulated communication signal of a high frequency to a coil Lt; / RTI >

The receiving unit 273 demodulates the received high frequency communication signal using a radio frequency (RF) signal of a local oscillator and outputs the demodulated low frequency communication signal to the signal processing unit 271.

That is, the coil of the coil part radiates the communication signal to the free space through the transmitting part 272 and transmits the communication signal received from the free space to the receiving part 273.

In other words, the second driving unit radiates the alternating voltage modulated by the transmitting unit 272 into the atmosphere as an electromagnetic wave, and when receiving through the receiving unit 273, converts the electromagnetic wave into the alternating voltage and transmits it to the control unit 250.

The second driving unit 270 may further include a selection unit (not shown).

The selection unit selects a transmission unit or a reception unit according to a selection signal of the control unit 250 and provides a communication signal through the selected transmission unit to the coil or receives a communication signal of the coil through the selected reception unit.

Here, the signal processing unit 271, the transmitting unit 272, and the receiving unit 273 may be implemented by a single processor.

The second driving unit 270 can adjust the communicable area by adjusting the wavelength of the frequency based on the control command of the control unit.

The display unit 280 displays notification information about the terminal smile when the user places the terminal inside the vehicle, thereby allowing the user to hold the terminal and get off the terminal.

The display unit 280 may include a lamp such as a light emitting diode, a flat panel display such as a liquid crystal display, or the like.

The display unit 280 can perform the flashing or lighting of the lamp.

The notification information for the terminal smile can also be output through the display unit 128 provided in the vehicle.

The display unit 128 provided in the vehicle may be a display unit provided in the display unit or cluster provided in the head unit, or a display unit provided in the side mirror.

It is also possible for the vehicle to output notification information for holding the terminal using a head lamp or the like.

The sound output unit 290 may output sound information about the terminal smile when the user places the terminal inside the vehicle, thereby allowing the user to carry the terminal.

The sound output unit 980 may include a speaker for outputting a warning sound, a melody, and the like.

The notification information for the terminal smile can also be output through a sound output unit (not shown) provided in the vehicle.

The terminal 300 of the present embodiment is a user terminal including a wirelessly chargeable coil and a communicable communication unit and may be implemented as a computer or a portable terminal capable of connecting to a vehicle through a network. For example, a notebook computer, a desktop computer, a laptop PC, a tablet PC, and a slate PC equipped with a web browser (WEB Browser), and the portable terminal includes, for example, (PCS), Global System for Mobile communications (GSM), Personal Digital Cellular (PDC), Personal Handyphone System (PHS), Personal Digital Assistant (PDA), International Mobile Telecommunication (IMT) Handheld devices such as CDMA (Code Division Multiple Access) -2000, W-CDMA (W-CDMA), WiBro (Wireless Broadband Internet) terminals, A it may include a wearable device such as a wireless communication device and a watch, ring, bracelet, anklet, a necklace, glasses, contact lenses, or head wearable device (head-mounted-device (HMD).

The terminal 300 transmits a response signal to the wireless charging device 200 when a request signal for outputting a response signal is received from the wireless charging device 200. [

The terminal 300 can perform the pairing with the wireless charging device when the pairing signal is received from the wireless charging device 200, and can also transmit the identification information to the wireless charging device during the pairing.

8 is a control flowchart of a vehicle according to an embodiment.

The vehicle determines whether the vehicle is in the starting-on state based on the starting information of the starting portion. When the vehicle is determined to be in the starting-on state (401), the vehicle starts information about the starting-on state to the wireless charging device.

Whether the start-on state is determined includes determining whether a start-on signal is generated by the on-operation of the start button.

The wireless charging device performs a charging mode (402) when the startup information for the startup ON state is received.

Performing the charging mode here includes making the electromagnetic field through at least one coil provided in the coil part of the wireless charging device.

When the terminal is placed on the pad of the wireless charging device, the terminal can perform charging using the induction current generated in the coil of the terminal.

When the vehicle is judged to be in the starting off state (403), the vehicle is judged based on the starting information of the starting part 160 of the charging mode of the wireless charging device 200, (404). If it is determined that the door is opened, the door open information on the door open state is transmitted to the wireless charging device (200). It is also possible that the vehicle transmits start information on the start-off state to the wireless charging device.

Determining whether or not the engine is in the start-off state includes determining whether a start-off signal is generated by an off operation of the start button.

Whether or not the door has been opened includes determining whether the door opening signal has been generated by the opening / closing detector.

The wireless recharging device performs the communication mode (405) when the start information on the start-off state and the open information on the door open state are received.

Here, the door is opened means that there is a will to get off in a state where the driver turns off the vehicle. The fact that the door is not open means that the driver stays in the vehicle with the vehicle turned off.

The wireless charging device performs communication with the terminal during the communication mode.

At this time, the wireless charging device requests the terminal to output a response signal. When a response signal is received from the terminal, the wireless charging device checks the field strength of the received signal (406) and stores the confirmed field strength as the first intensity.

Here, checking the electric field strength of the signal includes checking the field strength of the signal detected by the electric field detector 240.

The vehicle determines whether the door is closed (407) based on the opening / closing information detected by the opening / closing detector, and transmits the closing information on the closed state of the door to the wireless charging device (200).

Whether or not the door is closed includes determining whether the door closing signal has been generated by the opening / closing detector.

Upon reception of a response signal from the terminal, the wireless recharging apparatus checks the field strength of the received signal (Step 408), and determines the confirmed field strength It is stored in the second century.

The wireless charging apparatus may request the output of the response signal through the transmitting unit of the second driving unit and may receive the response signal through the receiving unit of the second driving unit.

Here, checking the electric field strength of the signal includes checking the field strength of the signal detected by the electric field detector 240.

The wireless charging device compares the first and second intensities corresponding to changes in the open / closed state of the door after startup, determines whether the first and second intensities are identical (409), and determines whether the first and second intensities If it is determined to be the same, it is determined that the driver has left the terminal in the vehicle.

That is, if it is determined that the first and second intensities are the same, the wireless charging device outputs notification information about the terminal's smile (410) so that the driver can know that the terminal is smiling.

The notification information about the terminal smile can be output by displaying the notification information through the display unit 280 of the wireless charging device, displaying the notification information through the display unit 128 provided in the vehicle, It is also possible to display the notification information through the Internet.

The notification information about the terminal smile can be output by outputting the notification information through the sound output unit 290 of the wireless charging device or by outputting the notification information through the sound output unit (not shown) It is also possible to do.

When it is determined that the intensity of the electric field before and after the opening and closing of the door has changed, the wireless charging device determines that the user holds the terminal and gets off and switches the operation mode to the charging mode or the standby mode.

The wireless charging device compares the first and second intensities to acquire the difference between the first and second intensities. If the difference between the obtained intensities exceeds the reference value, the wireless charging device determines that the position of the terminal has changed. It is possible to determine that the positions of the terminals are the same.

9 is a control configuration diagram of a vehicle according to another embodiment.

The vehicle of another embodiment may further include a wireless charging device 200, and may further include a speed detecting portion 170, a occupant detecting portion 180, and a sound output portion 190.

The speed detecting section 170 detects the speed of the vehicle and transmits the detected speed of the vehicle (i.e., the vehicle speed) to the wireless charging apparatus 200. [

The speed detecting section 170 includes a wheel speed sensor provided for each of the plurality of wheels, and can obtain the speed of the vehicle based on the wheel speeds detected by the plurality of wheel speed sensors.

The speed detecting section 170 may include an acceleration sensor for detecting the acceleration of the vehicle, and may acquire the speed of the vehicle based on the detected acceleration.

The occupant detection unit 180 may be provided on the seat and the seat belt of the vehicle.

The occupant detection unit 180 may include at least one of a weight detection unit, a pressure detection unit, a capacitance detection unit, and a seat belt engagement detection unit.

The startup unit 160 recognizes startup information corresponding to the on and off operations of the start button.

The wireless charging device may communicate with at least one of a speed detector, a passenger detector, and a starter.

It is also possible that the wireless charging device determines that the vehicle has stopped and performs the communication mode if the traveling speed is zero or if the position of the shift lever is determined to be the parking terminal (P stage).

The wireless charging device 200 determines the electric field intensity of the received signal in the communication mode, stores the detected electric field strength as the first intensity, determines whether or not the driver is off based on the information detected by the occupant detection unit 180, It checks the field strength of the received signal and stores the detected field strength as the second intensity.

The wireless charging device 200 determines a change in the intensity of the first and second intensities before and after the driver departs and determines that the terminal is present in the vehicle if the intensities of the two electric fields are determined to be the same.

When it is determined that the vehicle is stationary, the wireless recharging device checks the door opening / closing state. When it is determined that the door is open, the wireless recharging device performs the communication mode and confirms the electric field intensity of the received signal when the door is opened. It is possible to check the electric field strength of the reception signal at the time of door closing and determine whether the terminal exists in the vehicle based on the change of the electric field intensity corresponding to the door open / close state.

In addition, the wireless charging device acquires the difference between the first and second intensities corresponding to the door open / close state, and determines that the position of the terminal is the same if the difference in the obtained intensity is below the reference value, It is possible to determine that the position of the terminal has changed.

Here, the same position of the terminal means that the driver smiles and gets off the terminal and the terminal exists inside the vehicle.

The change of the position of the terminal means that the position of the terminal is changed by the driver holding the terminal and getting off.

The wireless recharging device may perform the communication mode if the vehicle is in the start-up state, and output the notification information about the terminal rush ride if the communication with the terminal is impossible during the communication mode.

The wireless charging device recognizes the distance between the coil and the terminal of the wireless charging device based on the electric field strength of the received signal during the communication mode and determines that the terminal exists inside the vehicle when the recognized distance is less than the reference distance, If the recognized distance exceeds the reference distance, it is determined that the terminal exists outside the vehicle.

Here, the presence of the terminal outside the vehicle means that the driver holds the terminal and gets off.

The reference distance may be the distance between the wireless charging device and the door of the driver's seat.

The display unit 128 may be a display unit provided in the head unit or cluster of the vehicle.

The display unit 128 displays notification information about the terminal smile.

The sound output unit 190 may be a speaker provided in the vehicle.

The sound output unit 190 outputs sound information about the terminal smile to the sound output unit 190.

100: vehicle 200: wireless charging device
210: main body 220:
300:

Claims (23)

A coil for charging the terminal wirelessly;
A communication unit for receiving the user's getting off information from the vehicle;
An electric field detector for detecting an electric field intensity of a received signal received by the coil;
Wherein the electric field intensity of the received signal detected by the electric field detector is checked before the user gets off the device and the field strength of the received signal detected by the electric field detector after the user gets off when the user's getting off information is received, A control unit for controlling the output of the notification information about the terminal of the terminal if the electric field intensity before and after the terminal is the same; And
And a sound output unit for outputting, as a sound, notification information of the terminal. The method as claimed in claim 1,
Closing information of the door of the vehicle, lock / unlock information of the door of the vehicle, and starting information of the vehicle. 3. The apparatus of claim 2,
When the door opening information is received, performs a communication mode using the coil, stores the electric field intensity of the reception signal detected by the electric field detection unit during the communication mode as a first intensity, and when the door closing information is received Storing the electric field strength of the received signal detected by the electric field detector as a second intensity and controlling output of notification information about the terminal's smile when the first and second intensities are the same. 3. The apparatus of claim 2,
When the unlocking information of the door is received, performs a communication mode using the coil, stores the electric field intensity of the reception signal detected by the electric field detection unit during the communication mode as a first intensity, Storing the electric field strength of the received signal detected by the electric field detector as a second intensity and controlling the output of notification information about the terminal's smile when the first and second intensities are the same, . The apparatus of claim 1,
And when the starting information corresponding to the starting ON state of the vehicle is received, performing the charging mode using the coil. The method according to claim 1,
Further comprising: a display unit for displaying notification information about the terminal's smile. The method according to claim 1,
A first driving unit for applying an electric current to the coil to form an electromagnetic field around the coil;
A second driving unit for generating an AC voltage corresponding to a control command of the control unit and causing the generated AC voltage to be emitted as an electromagnetic wave through the coil and converting the received electromagnetic wave into an AC voltage when the electromagnetic wave is received through the coil, Lt; / RTI >
Wherein the control unit controls driving of the first driving unit when the charging mode using the coil is performed and controlling driving of the second driving unit when performing the communication mode using the coil. An opening / closing detector for detecting opening / closing of the door;
A startup unit for receiving start-off information;
A coil for charging the terminal wirelessly; and an electric field detector for detecting an electric field intensity of a received signal received by the coil, wherein when the start-off information is received, When the electric field intensity of the received signal detected at the time of opening the door and the electric field intensity of the received signal detected at the time of closing of the door are obtained and when the electric field strength of the two received signals is the same, A wireless charging device for controlling the output of information; And
And a sound output section for outputting a sound as notification information about the smiling of the terminal. 9. The wireless charging device according to claim 8,
When the start-off information is received, a communication mode using the coil is performed, an output of a response signal is requested to the terminal during the execution of the communication mode, and a field strength of a received signal is checked when a response signal is received from the terminal ≪ / RTI > 9. The wireless charging device according to claim 8,
And when the start-on information of the vehicle is received, performing the charge mode using the coil. 9. The method of claim 8,
Further comprising a display unit for displaying notification information about the smiling of the terminal. 9. The wireless charging device according to claim 8,
A first driving unit for applying an electric current to the coil to form an electromagnetic field around the coil;
A second driving unit for allowing the AC voltage corresponding to the control command to be emitted as electromagnetic waves through the coil and for converting the received electromagnetic wave into an AC voltage when the electromagnetic wave is received through the coil;
And a control unit for controlling the driving of the first driving unit at the time of performing the charging mode using the coil and controlling the driving of the second driving unit at the time of performing the communication mode using the coil. A lock detecting unit detecting lock and unlock of the door;
A startup unit for receiving start-off information;
A coil for charging the terminal wirelessly; and an electric field detector for detecting an electric field intensity of a reception signal received by the coil, wherein when the start-off information is received, based on detection information detected by the lock detector, Acquiring an electric field intensity of a received signal detected at the time of unlocking and an electric field intensity of a received signal detected at the time of locking the door and if the electric field strength of the two received signals is the same, A wireless charging device for controlling the output of the charging device; And
And a sound output section for outputting a sound as notification information about the smiling of the terminal. 14. The wireless charging device according to claim 13,
When the start-off information is received, a communication mode using the coil is performed, an output of a response signal is requested to the terminal during the execution of the communication mode, and a field strength of a received signal is checked when a response signal is received from the terminal ≪ / RTI > 14. The wireless charging device according to claim 13,
And when the start-on information of the vehicle is received, performing the charge mode using the coil. 14. The method of claim 13,
Further comprising a display unit for displaying notification information about the smiling of the terminal. A method of controlling a vehicle equipped with a wireless charging device for wirelessly charging a terminal,
When the start-on information of the vehicle is received, the charging mode of the wireless charging device is controlled,
The communication mode of the wireless charging device is controlled when it is determined that the vehicle is stationary,
The field strength of a received signal received through a coil provided in the wireless charging device is checked,
It is determined whether or not the user gets off the bus,
When it is determined that the user has gotten off, checking the electric field strength of the received signal received through the coil of the wireless charging device when the user gets off,
And if the electric field intensity of the received signal before and after the user gets off is the same, outputs notice information about the terminal's smile. The method as claimed in claim 17,
Detects an operating state of a door provided in the vehicle,
And determining that the user is off when the door is changed from the open state to the closed state. The method as claimed in claim 17,
A lock state and an unlock state of a door provided in the vehicle,
And determining that the user is off when the door is switched from the unlocked state to the locked state. 18. The method of claim 17, wherein determining that the vehicle is in a stopped state comprises:
And determining that the vehicle is in a stopped state when the start-off information of the vehicle is received. 18. The method of claim 17, wherein determining that the vehicle is in a stopped state comprises:
Confirming the running speed of the vehicle and the position of the shift lever,
And determining that the vehicle is in a stopped state when the running speed of the vehicle is zero and the position of the shift lever is a parking end (P-stage). The method as claimed in claim 17, wherein determining that the electric field intensity of the received signal before and after the user gets off is the same,
The difference between the electric field intensity before and after the user gets off,
And determining that the electric field intensity of the received signal before and after the user's departure is equal if the difference between the electric field intensities is less than a reference value. The method as claimed in claim 17, wherein outputting the notification information of the terminal '
Controlling the operation of at least one of a sound output unit and a display unit provided inside the vehicle to control the output of notification information about the terminal's micrograph.

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