KR100842896B1 - A door security identification system of dual-way RF remote control system for vehicle - Google Patents

Abstract

A vehicle door lock display system using two-way wireless communication capable of changing a door of a vehicle to a locked or open state by using two-way wireless communication, comprising: a transmitter for transmitting and receiving a signal for opening or locking a door from a vehicle transmitter and a vehicle receiver; A two-way wireless remote control having a power supply unit for supplying power to a receiver unit, the transmitter unit and the receiver unit, a remote controller control unit for controlling the transmitter unit and the receiver unit and the power unit, and an opening or locking signal of a door received from the vehicle receiver unit have been authenticated by the vehicle controller unit. And a vehicle control device for transmitting a signal for changing the state of the door of the vehicle to open or locked to the BCM, wherein the vehicle control unit receives a change to the door lock state of the vehicle when receiving the normal operation from the BCM. The two way wireless After transmitting to the control unit, the two-way wireless remote control receives and stores the change of the door lock state from the vehicle control unit, and transmits a reception completion signal to the vehicle, the vehicle control unit changes the state of the locking or opening of the door Is stored in the two-way wireless remote control, and stores the changed state in the two-way wireless remote control when the door of the vehicle is changed to open or locked, and the power supplied from the power supply of the two-way wireless remote control to the receiver and the transmitter is Provide a configuration limitedly supplied by the remote control control unit.

By using the vehicle door lock display system as described above, it is possible to minimize battery consumption by the long time transmission and reception modes of the vehicle and the wireless remote control.

Two-way wireless remote control, RF receiver, door open button, door lock button

Description

A door security identification system of dual-way RF remote control system for vehicle}

1 is a perspective view showing a conventional vehicle door,

2 is a block diagram showing a system configuration of a conventional vehicle door opening and closing apparatus;

3 is a view illustrating a door lock operation of a typical vehicle unidirectional wireless remote control,

4 is a block diagram of a door lock display system of a vehicle using a two-way wireless remote control for explaining the door lock or open state of the two-way wireless remote control according to the present invention;

5 is a flowchart illustrating the operation of the door opening of the wireless remote control and the vehicle according to the present invention;

6 is a flowchart illustrating an operation of a door lock of a wireless remote control and a vehicle according to the present invention;

7 is a flowchart illustrating a confirmation state of a door of a vehicle in a wireless remote control according to the present invention;

8 is a flowchart illustrating a vehicle identification state in a wireless remote control according to the present invention;

9 is an exemplary view showing a security state of a vehicle according to a display lamp signal in a wireless remote controller according to the present invention;

10 is a view for explaining the operation of the receiver of the two-way radio remote control according to the present invention;

11 is a diagram illustrating a transmission and reception distance between a wireless remote control and a vehicle according to the present invention.

※ Explanation of Major Drawings

100 ... two-way wireless remote

200 ... Vehicle Control

300 ... Body Control Module

400 ... Door Lock Actuator

101 ... RF Transmitter

102 ... RF receiver

103.Remote control

104 ... Door open button

105 ... Door lock button

106 ... Door open LED

107 ... Door lock LED

108 ... Door Confirmation Button

The present invention relates to a door lock display system of a vehicle using a two-way wireless remote control, and more particularly to a door lock display system for a vehicle using two-way wireless communication that can change the door of the vehicle to a locked or open state by using two-way wireless communication. .

In a vehicle that can lock or open the door of the vehicle by using a wireless remote control, in general, the driver uses the button on the wireless remote control to change the door to the wireless receiving unit of the vehicle to lock or open the vehicle. The vehicle transmits a signal. At this time, the vehicle changes the door of the vehicle to the locked or open state after checking the signal transmitted from the wireless remote controller. In the case of using the two-way wireless remote control, the vehicle transmits a signal indicating that the state of the vehicle has been changed to the wireless remote control, and the wireless remote controller receives the status signal transmitted from the vehicle and displays it for the driver to confirm.

In addition, the vehicle door opening and closing apparatus for adding an ID code (registration code) to the response signal of the portable unit includes a transmission antenna for transmitting a radio wave toward the outside of the vehicle and a receiving antenna for receiving radio waves from the outside of the vehicle. A transmission request signal is transmitted from the transmitting antenna and is received by the portable unit, and a response signal with an ID code inserted therefrom is transmitted from the portable unit. When the match is confirmed, a structure for executing a process such as unlocking a vehicle door is disclosed.

An example of a system configuration of such a vehicle door opening and closing device is disclosed in Korean Patent Laid-Open Publication No. 2004-0076829 (September 03, 2004) and the like.

That is, in the above document, a system as shown in FIGS. 1 and 2 is disclosed.

1 is a perspective view showing a vehicle door, Figure 2 is a block diagram showing the system configuration of a conventional vehicle door opening and closing device.

As shown in FIG. 1, the vehicle door 10 is equipped with an outer handle 11, which covers the handle 12 and the key cylinder for performing the door opening and closing operation. It is attached to the vehicle rear side of the door outer panel (door outer plate) 10a which protrudes outside the handle cap 13 which forms the outer side to form the exterior of the vehicle door 10. The handle portion 12 is a member that is held when performing a mechanical door opening and closing operation, and the handle portion l2 and the handle cap l3 are supported by the handle frame with the door outer panel 10a sandwiched therebetween.

The smart entry system 1 of the vehicle as the vehicle door opening and closing device includes a system ECU (Electronic Control Unit) 20 in the interior of the vehicle, a reception synchronizer 21 and a first tuner 21 for receiving radio waves from the interior and exterior of the vehicle. A driver 22 and a first transmission antenna 23 for transmitting radio waves in the interior of the vehicle, the reception tuner 21 is connected to the system ECU 20, and the first transmission antenna 23 is a first transmission antenna. It is connected to the system ECU 20 via the driver 22.

In addition, the smart entry system 1 includes a door ECU 24 and a door actuator 25 connected thereto in the vehicle door 10, and the door ECU 24 is connected to the system ECU 20.

The vehicle door 10 is provided with an external handle 11 as shown in FIG. 1, and the smart entry system 1 transmits radio waves to the handle 12 of the external handle 11 outside of the vehicle. The second decorative antenna 26, the door locking human detection sensor 27 and the door unlocking human employee detection sensor 28 are incorporated, and the light decoration part 29 made of the light diffusing resin is attached to the handle cap 13. Have.

In addition, the smart entry system 1 incorporates a second driver 30 connected to the system ECU 20 in the handle frame l4, and includes a second transmission antenna 26 and a door lock human detection sensor 27. And the door unlocking human detection sensor 28 are connected to the system ECU 20 via the second driver 30. In addition, the second driver 30 is provided with a light emitting member described later, and between the second driver 30 and the optical decorative portion 29 of the handle cap 13 corresponding to the light emitting member, It is connected to the light guide path 31 as a light guide member.

The amount of light generated by the light emitting member of the second driver 30 is guided to the light decoration member 29 via the light guide path 31. The system ECU 20 is made of a digital computer, and the CPU (center) A read processing device), a ROM (lead only memory) storing various programs and maps, and a read / write RAM (random access memory) such as various data. The system ECU 20 drives the door actuator 25 through the door ECU 24 and controls the unlocking and locking of the vehicle door 10 according to the transmission and reception of various signals.

The portable unit 40 carried by the user is a signal processing CPU (Central Processing Unit) 43 which performs control and signal processing of the transmission system 41, the reception system 42, and the transmission system 41 and the reception system 42. ). The signal processing CPU 43 transmits radio waves to the reception tuner 21 by the transmission system 41, and at the same time within the reception range by the reception system 42, the first transmission antenna 23 or the second transmission antenna. Receive a radio wave from (26).

In addition, in a vehicle equipped with a smart key system, when a user changes the door of the vehicle to a lock or open state, a lock or open switch attached to the door handle is operated to transmit a signal to the smart key controller to request the door to be opened or unlocked. The smart key system controller uses two-way wireless authentication with the smart key to notify the driver using a horn or direction indicator while changing the door of the vehicle to a locked or open state when the smart key is authenticated by the smart key system controller. Is disclosed.

Another example of such a technique is described with reference to FIG. 3. 3 is a view illustrating a door locking or opening of a typical vehicle unidirectional wireless remote control 50, the user having the wireless remote control 50 close to the vehicle for the purpose of opening and closing the door from the outside (typically around 10m) When operating the door open switch 51 or the lock switch 52 attached to the wireless remote control 50, the wireless remote control 50 through the controller 530 and the RF transmitter 54 to lock the door or the authentication signal included Send the open signal to the vehicle.

When the signal is transmitted from the wireless remote control, the controller 61 of the vehicle checks the received signal and transmits the signal to the BCM (Body Control Module) 300 to change the locking or opening of the vehicle door when it is authenticated. Done. At this time, the BCM 300 operates the door lock actuator 400 of the vehicle, and at the same time, the vehicle alarm system 301 and the turn signal lamp relay 303 generate a horn through the vehicle's turn indicator or the horn relay 302. By operating, the door lock display state is changed to the user.

In addition, in the conventional door locking or opening system of the two-way wireless remote control, a signal for locking or opening the door is transmitted from the wireless remote control to the wireless receiving unit of the vehicle, and the control unit confirms this and locks the door state of the vehicle with the BCM when it is authenticated. Or send output to convert to open state. At this time, when a request for checking the state of the vehicle is received from the wireless remote controller, the vehicle grasps an open or locked state of the door and transmits the state to the wireless remote controller, and the wireless remote controller receives and displays it to the driver.

As another example of the technique, as a technique related to a key having a display function used for a lock lock, a display method and a recording medium on which a display program is recorded, Korean Patent Laid-Open No. 2003-0087964 discloses a display means and a key for displaying an image. And a receiving means for receiving information from an object in need thereof, the key having a display function for receiving and displaying information related to the object from the object, wherein the display means has an unlocked state or lock of the object. A configuration is disclosed for displaying the elapsed time since displaying or locking the state in the state.

However, in the technique disclosed in the above-mentioned document, in the case of the one-way wireless remote control, if the driver wants to check the door lock state of the vehicle after a certain time has elapsed, the driver cannot be sure whether the state of the vehicle is locked or opened. In the case of the two-way wireless remote control, the final reception status is stored, but it is unsure, and due to the current consumption of the vehicle and the wireless remote control according to the transmission and reception status, the battery replacement cycle of the wireless remote control is shortened and the power of the vehicle is continuously discharged. There was a problem of inconvenience such as poor performance.

An object of the present invention is to solve the problems as described above, by using a two-way wireless communication, when the user wants to check the security state of the vehicle after parking the vehicle, the vehicle is locked by using a wireless remote control Or the vehicle using a two-way wireless remote control to more effectively determine whether the state is opened, to solve the driver's inconvenience caused by the illusion of the security state of the vehicle, and to minimize the battery consumption by the long time transmission and reception mode of the vehicle and wireless remote control To provide a door lock display system.

That is, when the state of the door lock of the vehicle is changed by using the wireless remote control, the wireless remote controller operates the receiver in a limited manner to receive and store the state change of the door lock transmitted from the vehicle. If you want to check the security status of the remote control using the check button is characterized in that it can be confirmed.

In order to achieve the above object, the door lock state display system of a vehicle according to the present invention is a door lock display system of a vehicle capable of controlling the door of the vehicle by locking or opening by using two-way wireless communication, the vehicle transmission unit and the vehicle receiving unit from Two-way radio remote control and a receiving unit for transmitting and receiving a signal for the door opening or locking, a power supply unit for supplying power to the transmitter and the receiver, a remote control unit for controlling the transmitter and the receiver and the power unit And a vehicle control device for transmitting a signal for changing the state of the door of the vehicle to open or locked to the BCM when the door open or lock signal is authenticated by the vehicle control unit, wherein the vehicle control unit receives that the vehicle is normally operated from the BCM. Lock the door of the vehicle The change of state is transmitted to the two-way wireless remote control, the two-way wireless remote control receives and stores the change of the door lock state from the vehicle control unit, and then transmits a reception completion signal to the vehicle, and the vehicle control unit of the door Confirming that the change of the state for locking or opening is stored in the bidirectional wireless remote controller, and storing the changed state in the bidirectional wireless remote controller when the door of the vehicle is changed to the opening or locking, and in the power unit of the bidirectional wireless remote controller The power supplied to the receiver and the transmitter is characterized in that the power supply to the transmitter and the receiver only when the two-way wireless remote control is operated.

In the door lock state display system of the vehicle according to the present invention, after the door is changed to a locked or open state in the vehicle control apparatus, the lock state is transmitted to the bidirectional wireless remote controller and then received at the bidirectional wireless remote controller. When the acknowledgment signal is not returned, the vehicle control apparatus may further transmit a plurality of acknowledgment request signals until the reception signal is confirmed.

In addition, in the door lock state display system of the vehicle according to the present invention, when it is necessary to confirm the door lock state, by operating the door lock confirmation button of the two-way wireless remote control for the door lock or open state stored in the two-way wireless remote control And means for notifying the user of the information using light or sound.

In addition, in the door lock state display system of the vehicle according to the present invention, the receiver of the two-way wireless remote control is normally in a sleep mode (sleep mode) and operates temporarily only when a transmission signal is transmitted to the vehicle in the two-way wireless remote control, Receives the change of the door lock state of the vehicle and stores it in the remote control unit. When the reception completion signal is transmitted to the vehicle, the reception function of the two-way wireless remote control is stopped, and the state is converted into the standby state to reduce current consumption according to the reception state of the two-way wireless remote control. It is characterized by minimizing.

In the vehicle door lock state display system according to the present invention, the vehicle controller checks the lock state of the vehicle door and the operation state of the vehicle alarm when a signal for checking the vehicle state is transmitted from the bidirectional wireless remote controller to the vehicle controller. By transmitting this to the two-way wireless remote control, it characterized in that the two-way wireless remote control to display the current state of the door lock of the vehicle and the operating state of the vehicle alarm and stop the receiving function of the wireless remote control.

In the door lock state display system of the vehicle according to the present invention, the two-way wireless remote control is provided with a door open LED and a door lock LED, the door open LED and the door lock LED is for the operation of the door lock or open and alarm. Characterized in that it is used as an LED indicating the operation of the two-way radio remote control.

In the door lock state display system of the vehicle according to the present invention, when the door of the vehicle is changed to the locked or open state, the transmission / reception distance of the two-way radio remote controller operated increases the output of the vehicle RF transmitter to increase the output of the vehicle RF transmitter. The transmission / reception distance transmitted from the vehicle to the two-way radio remote control is longer than the transmission / reception distance.

The above and other objects and novel features of the present invention will become more apparent from the description of the specification and the accompanying drawings.

First, the concept of the present invention will be described.

According to the present invention, when a user presses the vehicle door open or lock button of the wireless remote control for the purpose of locking or opening the vehicle door, a wireless signal corresponding to the locking or opening of the door is transmitted from the wireless remote control to the vehicle, and received by the vehicle. Then, when the received signal is authenticated by the controller, a signal for door lock or opening of the vehicle is transmitted to the BCM (Body Control Module), and when the controller receives the normal operation from the BCM, the door change state of the door lock is transferred to the wireless remote controller. The wireless remote control stores the state change, and then returns to the vehicle that the door lock state change of the vehicle is stored in the wireless remote control. Then, when the driver wants to check the lock state of the vehicle door, the confirmation button of the wireless remote control is used. To lock or open the door of the vehicle It will display the security status for the operator.

That is, in the existing door lock system for a vehicle using wireless communication, when the driver is not sure whether the driver locks or opens the vehicle state after a certain distance from the vehicle, the vehicle state stored in the wireless remote controller By checking the information, the anxiety caused by not being sure of the lock state of the vehicle is solved, and the vehicle door locking system using the existing wireless remote control can be more conveniently used.

EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated according to drawing.

In addition, in description of this invention, the same code | symbol is attached | subjected to the same part and the repeated description is abbreviate | omitted.

Figure 4 is a block diagram of a door lock display system of a vehicle using a two-way wireless remote control for explaining the door lock or the open state of the two-way wireless remote control according to the present invention.

4, the door lock display system of the vehicle using the two-way wireless remote control according to the present invention is a two-way wireless remote control 100 for transmitting and receiving a door lock or open state, a vehicle control apparatus 200 for receiving a signal from the wireless remote control, The door of the vehicle in accordance with the control signal from the BCM (Body Control Module) 300, BCM (300) to change the lock or opening of the vehicle door if the authentication is confirmed by checking the signal received from the control device 200 of the vehicle The door lock actuator 400 for operating the vehicle, the vehicle alarm system 301 for turning the direction light of the vehicle, and the turn signal lamp relay 303 and a horn for operating the horn for transmitting the changed state of the door lock display to the user. A relay 302 is provided.

In addition, the two-way wireless remote control 100 is an RF transmitter 101 for transmitting a door lock or open state through an antenna, an RF receiver 102 for receiving a door lock or open state through an antenna, respectively, the two-way wireless remote control 100 The remote control unit 103, a door open button 104, a door lock button 105, an open display LED 106, a lock display LED 107 having a memory for controlling the components of the control unit and storing the control state thereof. The door confirmation button 108 for displaying the locked or open state of the door, the power supply unit 109 for supplying the power required for each of the two-way wireless remote control 100 and the vehicle status confirmation button 110 for checking the state of the vehicle It is configured to include.

In addition, the vehicle control apparatus 200 is a vehicle RF receiver 201 for receiving a transmission signal from the RF transmitter 101 of the two-way wireless remote control 100, the state of the vehicle to the RF receiver 102 of the two-way wireless remote control 100 The vehicle RF transmitter 202 for transmitting the vehicle control unit 203 for outputting a control signal to the BCM 300 in accordance with the transmission and reception from the RF transmitter 101 and the RF receiver 102 of the two-way radio remote control 100 Equipped.

Therefore, when the door lock display system of the vehicle using the two-way wireless remote control according to the present invention transmits a signal for locking or opening the vehicle door in the two-way wireless remote control 100, the vehicle receives this to the BCM (300) of the vehicle door After transmitting the signal for locking or opening, and transmits the operation confirmation signal from the BCM (300) to the wireless remote control that the lock state has been changed, the wireless remote control 100 stores it when the driver later wants to confirm, The state is displayed on the open display LED 106 and the lock display LED 107. That is, in the door lock display system of the vehicle using the two-way wireless remote control according to the present invention, the RF receiver 102 and the vehicle RF transmitter 202 are limited by the remote controller 103 and the vehicle controller 203, respectively. The current can be minimized.

Next, the door locking or opening and the vehicle state of the bidirectional wireless remote control 100 according to the present invention shown in FIG. 4 will be described with reference to FIGS. 5 to 9.

5 is a flowchart illustrating the operation of the door opening of the wireless remote control and the vehicle according to the present invention.

First, the opening operation of the door will be described with reference to FIG. 5.

First, when the user operates the door open button 104 of the two-way wireless remote control 100 in proximity to the vehicle within 10 meters (S10), the remote control control unit 103 and the RF transmitter 101 in the two-way wireless remote control 100 The door open signal transmission is output through the transmission (S20).

The vehicle RF receiver 201 of the vehicle receives the signal (S30), and the vehicle controller 203 authenticates the signal (S40). If authentication is not made in step S40, the opening operation of the door is terminated.

When the vehicle controller 203 is authenticated, the door open signal is transmitted to the BCM 300 (S50), and the user is notified of the operation by the direction indicator or the horn of the vehicle (S60).

After that. The operation of the actuator 400 is output from the BCM 300 to the vehicle controller 203 (S70), and the opening of the actuator 400 is transmitted from the vehicle to the wireless remote controller 100 (S80).

The wireless remote control 100 receives the signal transmitted in step S80 as a state change of the vehicle (S90), and stores the change in the open state of the door in the wireless remote control unit in the memory provided in the remote controller control unit 103 (S100).

The RF transmitter 101 transmits a signal confirming that the change of state is stored in the memory to the vehicle (S110), receives the signal from the vehicle (S120), and checks whether the signal is stored in the wireless remote controller 100 (S130). . When it is confirmed in step S130 that the storage is completed, the opening operation of the door according to the present invention is ended, and when it is not confirmed, the process returns to step S80 and the steps S90 to S130 are repeated.

In the present invention. Shutdown The vehicle only works with the receiver.

Next, the locking operation of the door will be described with reference to FIG. 6.

6 is a flowchart illustrating the operation of the door lock of the wireless remote control and the vehicle according to the present invention.

First, when the user operates the door lock button 105 of the two-way wireless remote control 100 in proximity to the vehicle within 10 meters (S210), the remote control control unit 103 and the RF transmitter 101 in the two-way wireless remote control 100 Through the door lock signal transmission outputs and transmits (S220).

The vehicle RF receiver 201 of the vehicle receives the lock signal (S230), and the vehicle controller 203 authenticates the signal (S240). If the authentication is not performed by the authorized signal in step S240, the lock operation of the door is terminated.

When the vehicle controller 203 is authenticated, the door lock signal is transmitted to the BCM 300 (S250), and the user is notified of the operation by the direction indicator or the horn of the vehicle (S260).

After that. The operation of the actuator 400 is output from the BCM 300 to the vehicle controller 203 (S270), and the lock of the actuator 400 is transmitted from the vehicle to the wireless remote controller 100 (S280).

The wireless remote controller 100 receives a lock signal, which is a state change of the vehicle, with respect to the signal transmitted in step S280 (S290), and stores the lock state change of the door in the wireless remote controller in a memory provided in the remote controller controller 103 (S300). ).

The RF transmitter 101 transmits a signal confirming that the change of state is stored in the memory to the vehicle (S310), receives the signal from the vehicle (S320), and checks whether the signal is stored in the wireless remote controller 100 (S330). . If it is confirmed in step S330 that the storage is completed, the lock operation of the door according to the present invention is terminated, and if not confirmed, returns to step S280 to repeat steps S290 to S330.

Next, the confirmation of the locked state of the door will be described with reference to FIGS. 7 and 9.

7 is a flowchart illustrating a confirmation state of a door of a vehicle in the wireless remote control according to the present invention, Figure 9 is an exemplary view showing the security state of the vehicle according to the display lamp signal in the wireless remote control according to the present invention.

First, when the user operates the door confirmation button 108 of the two-way wireless remote control (100) (S400), as shown in Figure 9 the storage state of the door to the open display LED 106 and the lock display LED 107 It is displayed (S410).

FIG. 9 (a) shows the state of smart key RF operation, and FIG. 9 (b) shows the state display operation time shown in the open display LED 106 and the lock display LED 107. FIG.

When the user presses the door confirmation button 108, the wireless remote control 100 confirms the last door lock state is stored, and transmits it as a sound or an optical signal.

As shown in Fig. 9 (a), it shows an open state when the door open LED 106 is lit, indicates a locked state when the door lock LED 107 is lit, and the door open LED 106 is shown. And door lock LED 107 If two LEDs are lit at the same time, it illustrates a problem with the system or authentication.

In addition, the state display in Fig. 9B is as follows.

 1 ... Lock Status: Door Lock LED On

 2.Open status: Door open LED lights up

 3.System failure: Door open and lock LEDs on at the same time

If it is not the normal storage in step S420, the system failure occurrence as shown in 3 of Fig. 9 (b) is output (S430), and the confirmation state of the door of the vehicle is terminated.

In the case of normal storage in step S420, the remote controller control unit 103 determines whether it is in an open state (S440). If it is determined in the case of not being in the open state in step S440, a lock occurrence as shown in 2 of FIG. 9B is output (S450), and the confirmation state of the door of the vehicle is terminated.

If it is determined in step S440 that the door is in the open state, an opening occurrence such as 1 in FIG. 9B is output (S460), and the confirmation state of the door of the vehicle is terminated.

The wireless remote control 100 according to the present invention stores the state received after the last authentication, and displays the state of the last stored lock or open when the driver operates the confirmation button.

Next, the state confirmation of the vehicle will be described with reference to FIGS. 8 and 9.

8 is a flowchart illustrating a vehicle identification state in the wireless remote control according to the present invention.

When the user operates the vehicle state confirmation button 110 of the two-way wireless remote control 100, the state of the vehicle is displayed on the open display LED 106 and the lock display LED 107 as shown in Figure 9 (c) It becomes (S510).

When the user presses the vehicle state confirmation button 110, the wireless remote control 100 checks the state of the vehicle finally stored, and transmits it as a sound or an optical signal.

As shown in Fig. 9 (c), it shows the open state when the door open LED 106 is lit, the locked state when the door lock LED 107 is lit, and the door open LED 106 is shown. And door lock LEDs 107 illustrate that there is a problem on the vehicle when two LEDs are lit at the same time and the alarm is activated.

When the vehicle status confirmation button 110 for confirming the confirmation status of the vehicle is pressed in step S510, an RF confirmation signal is output (S520), the vehicle receives and inputs this RF confirmation signal (S530), and permission is granted in step S530. If it is not a signal, the operation of the confirmation state of the vehicle is stopped.

If the signal is permitted in step S540, the door state of the BCM 300 is checked (S550), and the operation of the alarm of the vehicle is checked (560). After that, the vehicle state is transmitted to the wireless remote controller 100 (S570), and the RF receiver 102 receives the state of the vehicle and transmits it to the remote controller controller 103 (S580).

The remote control unit 103 displays the LED according to the state of the transmitted vehicle (S590), and transmits the display completion to the vehicle through the RF transmitter 101 (S600).

The vehicle receives the display completion signal through the RF receiver 201 (S610), and the vehicle controller 203 confirms the state transfer (S620).

If the vehicle control unit 203 determines that the state is transmitted, the operation is terminated. If it is determined that the state of the vehicle is not transmitted in step S620, the process returns to step S570 to repeat the above-described operation.

That is, when a signal for checking the vehicle status is transmitted from the wireless remote controller 100 to the vehicle controller 203, the vehicle controller 203 checks the locked state of the vehicle door and the operating state of the vehicle alarm, and the wireless remote controller 100 ), The wireless remote control 100 displays the current lock state of the vehicle and the operation state of the vehicle alarm and stops the reception function of the wireless remote control.

 10 is a view for explaining the operation of the receiver of the two-way wireless remote control according to the present invention.

When a signal for changing the door of the vehicle to open or locked is transmitted from the wireless remote controller 100, the vehicle is temporarily operated to receive a signal of a change in the locked state, and the locked state of the door from the vehicle. When the change has been received, the remote control unit 103 terminates the reception state and transmits a signal indicating that the reception has been received, and changes to the standby state (sleep state).

FIG. 11 is a diagram illustrating a transmission / reception distance between a wireless remote control and a vehicle according to the present invention, and a signal of a part transmitting a signal from the vehicle to the wireless remote control 100 rather than the signal transmitted from the wireless remote control 100 to the vehicle. The transmission distance is large, indicating high performance so that an obstacle is not generated when a signal is transmitted from the wireless remote controller to the vehicle, and this is easily achieved by increasing the output of the vehicle RF transmitter.

That is, in the system for controlling the door lock device of the vehicle by using the two-way wireless communication as described above, the signal for locking or opening the door after authentication of the signal for locking or opening of the vehicle door transmitted from the wireless remote control to the vehicle by the control unit By using the BCM, and by transmitting the change of the security status of the changed or locked vehicle to the wireless remote control, after the door lock or opening, the user can easily secure the security status of the locked or opened vehicle with only the wireless remote control. This can be used to more effectively use the wireless remote control system while relieving the anxiety caused by the uncertainty of the vehicle's condition.

As mentioned above, although the invention made by this inventor was demonstrated concretely according to the said Example, this invention is not limited to the said Example and can be variously changed in the range which does not deviate from the summary.

That is, in the above-described embodiment, an embodiment of checking an open state of the door of the vehicle has been described, but the present invention is not limited thereto, and it is a matter of course that the present invention may be applied to a structure of a house, an office, or the like where an eating device is provided.

As described above, according to the door lock display system of the vehicle using the two-way wireless remote control according to the present invention, when the wireless remote control is operated, the wireless remote control transmits a signal for changing the door of the vehicle to the locked or opened state, When the state of the door lock is changed, the controller transmits it to the wireless remote control, and if the door opening of the vehicle or the state of the door locking is unsure after the parking occurs, the vehicle remote door is opened or checked. By checking the locked state, the user can eliminate the trouble of having to make unnecessary additional checks while the vehicle is left in the door open state or locked state.

In addition, the existing remote control is always maintained in the reception mode, that is, the periodic reception mode (usually 2 to 10 seconds) to operate the battery replacement cycle is limited to 6 months to 1 year, but the two-way wireless remote control according to the present invention According to the door lock display system of the used vehicle, since the transmitter / receiver of the wireless remote control is kept in the standby state, the effect that it can be used for a long time more than 2 years even when using the same battery is obtained.

Claims (7)

A door lock display system of a vehicle capable of controlling a door of a vehicle by locking or opening by using two-way wireless communication, A two-way wireless remote controller including a transmitter and a receiver for transmitting and receiving a signal for opening or locking a door from a vehicle transmitter and a vehicle receiver, a power supply unit supplying power to the transmitter and the receiver, a remote control unit controlling the transmitter and the receiver and the power unit; When the door open or lock signal received by the vehicle receiving unit is authenticated by the vehicle control unit, the vehicle control device for transmitting a signal for changing the state of the door of the vehicle to open or lock to the BCM, When the vehicle controller receives the normal operation from the BCM, and transmits a change to the door lock state of the vehicle to the two-way wireless remote control, The two-way wireless remote control receives and stores the change of the door lock state from the vehicle control unit, and transmits a reception completion signal to the vehicle, The vehicle control unit confirms that the change in the state of the locking or opening of the door is stored in the two-way wireless remote control, and stores the changed state in the two-way wireless remote control when the door of the vehicle is changed to the opening or locking, The power supplied to the receiver and the transmitter from the power unit of the two-way wireless remote control supplies power to the transmitter and the receiver only when the two-way wireless remote control is operated. The method of claim 1, After the door is changed to a locked or open state by the vehicle controller, the vehicle controller transmits a received signal to the bidirectional wireless remote controller. When the acknowledgment signal is not returned from the bidirectional wireless remote controller, the vehicle controller receives a received signal. The door lock state display system of the vehicle, characterized in that for further transmitting a plurality of confirmation request signal until it is confirmed. The method according to claim 1 or 2, If it is necessary to confirm the door lock state, the door lock confirmation button of the two-way wireless remote control is activated to provide a means for the user to notify the information on the door lock or the open state stored in the two-way wireless remote control by using light or sound. Door lock state display system of the vehicle comprising a. The method of claim 1, The receiving unit of the two-way wireless remote control is normally in a sleep mode (sleep mode) and operates temporarily only when a transmission signal is transmitted from the two-way wireless remote control, and receives a change of the door lock state of the vehicle and stores it in the remote controller When the reception completion signal is transmitted to the vehicle, the door lock state display system of the vehicle, characterized in that to stop the receiving function of the two-way wireless remote control, to convert to the standby state to minimize the current consumption according to the reception state of the two-way wireless remote control. The method of claim 1, When a signal for checking the vehicle status is transmitted from the two-way wireless remote controller to the vehicle controller, the vehicle controller checks the lock state of the vehicle door and the operation state of the vehicle alarm and transmits it to the two-way wireless remote controller. A vehicle door lock status display system which displays the door lock status and the operation status of the vehicle alarm and stops the reception of the two-way radio remote control. The method according to claim 4 or 5, The two-way wireless remote control is provided with a door open LED and a door lock LED, And the door open LED and the door lock LED are used as LEDs for indicating a door lock or an operation of a wireless remote controller for opening and alarming. The method of claim 1, When the door of the vehicle is changed to a locked or open state, the transmission / reception distance of the operated two-way wireless remote control increases the output of the vehicle RF transmitter and is transmitted from the vehicle to the two-way wireless remote control than the transmission and reception distance transmitted from the two-way wireless remote control to the vehicle. Door lock state display system of the vehicle, characterized in that the transmission and reception distance is long.

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