JP2012107420A - Keyless entry system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow easy and proper operation of an in-vehicle control device mounted on a vehicle using a simple structure without causing mis-operation.SOLUTION: A keyless entry system includes a portable unit 1 carried by an occupant, an in-vehicle unit 2 capable of receiving a signal transmitted from the portable unit 1, and in-vehicle control units 7 and 12 actuated in accordance with a control signal received by the in-vehicle unit 2. It is further provided with operation switches 13 to 16 which are provided on the portable unit 1, and output the control signal to the in-vehicle control unit 7 for keyless entry, and detection means 17 that detects the portable unit 1 brought into the vehicle. If the portable unit 1 brought into the vehicle is detected by the detection means 17, the system is configured to actuate the in-vehicle control unit 12 for usage other than keyless entry in accordance with operations of the operation switches 13 to 16.

Description

  The present invention relates to a keyless entry system including a portable device carried by an occupant, an in-vehicle device capable of receiving a signal transmitted from the portable device, and an in-vehicle control device that operates according to the signal received by the in-vehicle device. It is about.

  Conventionally, as shown in the following Patent Document 1, in addition to remote control of door locking and unlocking by a remote controller having only a single operation switch, for the purpose of remotely controlling the opening and closing of the power window and sunroof, When the ID and operation time information are received from the transmission means within a predetermined time after door lock or door unlock by remote operation, the received ID matches the registered ID, and the operation time of the operation member exceeds the predetermined time A keyless entry system configured to open and close a power window or a sunroof according to a locked state or an unlocked state of a door is known.

  Further, as shown in Patent Document 2 below, in order to provide a power window opening and closing device using a passive remote entry device that can open and close the power window from the outside of the vehicle without opening the door, a fixing provided on the vehicle body In a power window opening and closing device using a passive remote keyless entry device that opens and closes a door using an ID signal between a portable device and a portable device, a contact portion on an outer peripheral surface of an automobile, and a human body to the contact portion A detection unit for detecting contact, an actuator driver, and a control unit for driving the detection unit are provided. In the control unit, the ID signal received by the fixing device from the portable device matches the ID signal stored in the memory of the fixing device. In such a case, the control window is opened and closed in response to detection of human contact.

JP-A-10-131568 JP 2003-253939 A

  In the keyless entry system according to Patent Document 1, the operation switch of the portable device (remote controller) has both a function of operating a door lock mechanism and a function of operating a drive unit that opens and closes a power window and a sunroof. Therefore, there is an advantage that the number of operation switches provided in the portable device can be reduced to simplify the structure. However, it is necessary to change the operation time of the operation button depending on whether the door lock mechanism is operated by the operation switch or the opening / closing drive part of the power window or sunroof, so that the function of the operation button is understood. There is a drawback that it is difficult and erroneous operation is likely to occur.

  Further, in the power window opening and closing device disclosed in the above cited reference 2, a part of the body is brought into contact with a key receiving portion exposed on the surface of the vehicle body or a contact portion provided around the power window, thereby There is an advantage that the power window can be opened and closed from the outside. On the other hand, a part of the body of the occupant with the portable device touches the contact portion, and the power window drive unit is in a driving state against the intention of the occupant, and the power window in the closed position is in the open position. There is a room for improvement in this respect because it is easy to cause an erroneous operation that the power window in the open position or the power window in the open position shifts to the closed position.

  The present invention has been made in view of the above-described problems, and provides a keyless entry system that can easily and properly operate an in-vehicle control device provided in a vehicle without causing an erroneous operation with a simple configuration. The purpose is to do.

  The invention according to claim 1 includes a portable device carried by an occupant, an in-vehicle device capable of receiving a signal transmitted from the portable device, and an in-vehicle control device that operates according to a control signal received by the in-vehicle device. The keyless entry system includes an operation switch that is provided in the portable device and outputs a control signal to an in-vehicle control device for keyless entry, and a detection unit that detects that the portable device is brought into the vehicle. When the detection means detects that the portable device has been brought into the vehicle, the vehicle-mounted control device other than for keyless entry is operated in accordance with the operation of the operation switch.

  According to a second aspect of the present invention, in the keyless entry system according to the first aspect, when the detection means detects that the portable device has been brought into the vehicle, the keyless entry operation switch is moved up and down the window. It is configured to function as an operation switch for the mechanism.

  The invention according to claim 3 is provided in the driver seat and the passenger seat in the keyless entry system according to claim 1 or 2 when the detecting means detects that the portable device is brought into the vehicle. The operation switch for the door lock mechanism is configured to function as an operation switch for the window lifting mechanism provided on the side doors of the driver seat and the passenger seat.

  According to a fourth aspect of the present invention, in the keyless entry system according to any one of the first to third aspects, when the detection means detects that the portable device has been brought into the vehicle, The operation switch for the slide door drive mechanism that opens and closes the slide door is configured to function as an operation switch for the window lifting mechanism provided in the slide door at the rear seat.

  The invention according to claim 5 is the keyless entry system according to claim 4, wherein the detection means is configured to detect that the portable device is placed in an installation portion provided in the vehicle interior. It is.

  According to a sixth aspect of the present invention, in the keyless entry system according to the fifth aspect, the installation portion of the portable device is disposed on a center console in the vehicle interior.

  According to a seventh aspect of the present invention, in the keyless entry system according to the fifth or sixth aspect, when a portable device is placed on the installation portion, an electromagnetic wave is generated to form a magnetic field from the portable device. An electromagnetic coil that outputs an authentication signal and an engine start control unit that receives the self-authentication signal and starts the engine are provided.

  In the invention according to claim 1, when an occupant carrying a portable device gets on and off the vehicle, the operation switch provided in the portable device 1 functions as an operation switch for keyless entry that drives a door lock mechanism or the like. Thus, the vehicle can be easily boarded and alighted by performing control such as operating the operation switch of the portable device to set the door lock mechanism to the locked state or the unlocked state. And, when it is detected that the portable device has been brought into the vehicle by the detection means, the operation switch is configured to function as an operation switch for operating an in-vehicle control device other than for keyless entry. When the occupant who has entered the door operates the operation switch, it is possible to perform control such as operating the window elevating mechanism and the like to individually elevate and lower the window of each door. In addition, in the state where an occupant is in the vehicle compartment, it is not necessary to operate the vehicle-less control device for keyless entry including the door lock mechanism or the like, so the operation switch is operated for vehicle control devices other than those for keyless entry. By functioning as a switch, the in-vehicle control device can be properly operated without causing an erroneous operation, and the number of operation switches provided in the portable device can be reduced to effectively simplify the configuration. There are advantages such as.

  In the invention according to claim 2, when the detection unit detects that the portable device has been brought into the vehicle, the keyless entry operation switch is configured to function as an operation switch for the window lifting mechanism. In addition, when an occupant who gets into the vehicle interior operates the operation switch, the window elevating mechanism can be operated and the window of each door can be individually driven up and down without causing an erroneous operation. There is an advantage that the design of the interior of the vehicle can be simplified by omitting the operation switch for raising and lowering the window provided in the door trim or console box.

  In the invention according to claim 3, when it is detected that the portable device has been brought into the vehicle by the detection means, the operation switch for the door lock mechanism provided in the driver seat and the passenger seat is replaced with the driver seat and the assistant. Since it is configured to function as an operation switch for a window raising / lowering mechanism that moves the window of the side door provided in the seat up and down, an occupant who gets into the passenger compartment operates the operation switch without causing an erroneous operation. The window elevating mechanism is operated to drive the driver seat and the passenger seat window up and down.

  In the invention according to claim 4, when the detection means detects that the portable device has been brought into the vehicle, the operation switch for the sliding door drive mechanism that opens and closes the sliding door of the rear seat is provided. Since it is configured to function as an operation switch for the window lifting mechanism provided on the slide door, an occupant who has entered the vehicle interior operates the operation switch to operate the window lifting mechanism without causing an erroneous operation. The rear seat window can be driven up and down.

  In the invention according to claim 5, since the detection unit detects that the portable device is placed in the installation portion provided in the vehicle interior, the installation position of the portable device is clarified, There is an advantage that the occurrence of the situation of losing the portable device can be effectively prevented.

  In the invention which concerns on Claim 6, since the installation part of the portable machine was arrange | positioned in the center console, the passenger | crew who seated on the right-and-left front seat and the rear seat can operate the operation switch of the said portable machine easily and appropriately, respectively. is there.

  In the invention which concerns on Claim 7, when a portable machine is mounted in the said installation part, the electromagnetic coil which produces | generates an electromagnetic wave and forms a magnetic field by forming an electromagnetic field, and this self-authentication signal is output. Since the engine start control unit that receives and starts the engine is provided, a so-called keyless keyless function that can start the engine using the portable device even when the portable device runs out of battery is provided. There is an advantage that it can be realized with a simple configuration.

1 is a block diagram showing an embodiment of a keyless entry system according to the present invention. It is a top view which shows the external appearance structure of a portable machine. It is sectional drawing which shows the state which put the portable machine in the installation part. It is a perspective view which shows the example which provided the installation part of the portable machine in the center console of a vehicle interior.

  1 and 2 show an embodiment of a keyless entry device according to the present invention. This keyless entry device includes a portable device 1 that is carried by an occupant in a vehicle and transmits a signal of a predetermined wavelength, an in-vehicle device 2 that is mounted on the vehicle and that can receive a signal transmitted from the portable device 1, In-vehicle control for keyless entry comprising a door lock mechanism 3 that operates according to a control signal received by the in-vehicle device 2 and slide door drive mechanisms 4 and 5 that individually open and close the slide doors provided on the left and right of the rear seat. Device 6.

  In addition, the vehicle has a window on the left and right side doors located on the front side surface of the passenger compartment as an in-vehicle control device other than for keyless entry, that is, an in-vehicle control device 12 that is not directly related to the keyless entry system. Front seat window elevating mechanisms 8 and 9 that are individually driven up and down, and rear seat window elevating mechanisms 10 and 11 that individually elevate and lower the sliding door window located on the rear side surface of the passenger compartment are provided.

  The portable device 1 is operated by a first operation switch 13 that is operated when the door lock mechanism 3 is locked by being operated by a vehicle occupant and when the door lock mechanism 3 is unlocked. A second operation switch 14, a third operation switch 15 that is operated when operating the slide door drive mechanism 4 for the left rear seat that is opened and closed by sliding the left door of the rear seat back and forth, and the rear seat A fourth operation switch 16 is provided which is operated when the rear door right-side slide door drive mechanism 5 is operated to open and close by slidably moving the right door forward and backward.

  Further, the portable device 1 is sensitive to electromagnetic waves generated when the portable device 1 is brought into the vehicle interior, specifically, when the portable device 1 is placed in an installation section 26 described later provided in the vehicle interior. In response, the detection means 17 for detecting whether or not the portable device 1 is in the installation part 26 in the vehicle interior, and when the detection means 17 detects that the portable device 1 has been brought into the vehicle interior, Switching means 18 for switching the functions of the first to fourth operation switches 13 to 16 so as to operate the vehicle-mounted control device 12 other than the keyless entry according to the operation of the first to fourth operation switches 13 to 16; The machine 2 is provided with a transmission means 19 for outputting a self-authentication signal, a control signal for the in-vehicle control devices 7 and 12, and the like.

  When the functions of the first and second operation switches 13 and 14 are switched to other than keyless entry by the switching means 18, the first and second operation switches 13 and 14 are operated only once. A control signal for individually moving the windows of the side doors provided on the driver side and the passenger side in the opening direction is output to the front seat window raising and lowering mechanisms 8 and 9, and the first and second operation switches 13 are provided. , 14 are continuously operated twice, a control signal for individually moving the side door windows in the closing direction is output to the front seat window raising / lowering mechanisms 8, 9 respectively. Yes.

  Further, the third and fourth operation switches 15 and 16 are pushed forward while the functions of the third and fourth operation switches 15 and 16 are switched to those other than the keyless entry by the switching means 18. Then, a control signal for individually moving the windows of the slide doors provided on the left and right of the rear seat in the opening direction is output to the rear seat window lifting mechanisms 10 and 11, and the third and fourth operation switches. When the rear doors 15 and 16 are pushed backward, control signals for individually moving the windows of the slide doors in the closing direction are output to the rear seat window lifting mechanisms 10 and 11. .

  In the in-vehicle device 2, the receiving unit 20 that receives the signal transmitted from the portable device 1 and the authentication number attached to the self-authentication signal transmitted from the portable device 1 match the registered number registered in advance. A door lock control unit 22 that controls the door lock mechanism 3, a slide door control unit 23 that controls the slide door drive mechanisms 4 and 5, and a window lifting mechanism for the front seat 8, 9 and a window raising / lowering control unit 24 for controlling the rear seat window raising / lowering mechanisms 10, 11 are provided.

  And while the 1st-4th operation switches 13-16 of the portable device 1 are operated outside a vehicle, the authentication number attached | subjected to the self-authentication signal transmitted from the said portable device 1 corresponds with the registration number registered previously. Then, if it is determined by the determination unit 21, the door is locked or the door is unlocked by driving the door lock mechanism 3 of the vehicle according to the signal received by the receiving means 20. Is controlled by the door lock control unit 22 and the slide door driving mechanisms 4 and 5 are operated to individually open and close the slide doors provided on the left and right sides of the rear seat to open and close the slide. This is executed by the door control unit 23.

  Further, when the first to fourth operation switches 13 to 16 of the portable device 1 are operated in the passenger compartment and the determination unit 21 determines that the self-authentication number matches the registration number, the receiving unit 20 In response to the signal received at the front seat window raising and lowering mechanisms 8 and 9, the side door windows provided on the driver side and the passenger seat side, and the sliding doors provided on the left and right sides of the rear seat are provided. Control for individually raising and lowering the window is executed by the window raising and lowering control unit 24.

  As shown in FIG. 3, a center console 25 is installed at the center of the front part of the vehicle interior so as to extend in the front-rear direction of the vehicle, and the installation part 26 of the portable device 1 is installed on the rear upper surface of the center console 25. In addition, an electromagnetic coil 27 is disposed so as to surround the installation portion 26. When the portable device 1 is placed on the installation unit 26, an electromagnetic wave is generated inside the portable device 1 in accordance with the current flowing through the electromagnetic coil 27 to form a magnetic field, and the detection means 17 reacts to the magnetic field. Thus, a detection signal indicating that the portable device 1 is placed on the installation unit 26 is output to the switching means 18.

  The portable device 1 carried by the occupant as described above, the in-vehicle device 2 that can receive the signal transmitted from the portable device 1, and the in-vehicle control device 6 that operates according to the control signal received by the in-vehicle device 2. 12, the operation switches 13-16 provided in the portable device 1 for outputting a control signal to the vehicle-mounted control device 6 for keyless entry, and the portable device 1 being brought into the vehicle Detecting means 17 for detecting the vehicle, and when the detecting means 17 detects that the portable device 1 has been brought into the vehicle, the vehicle is mounted other than for keyless entry according to the operation of the operation switches 13-16. Since the control device 12 is configured to operate, the number of operation switches provided in the portable device 1 is reduced, thereby effectively preventing the occurrence of an erroneous operation. There is an advantage that the various vehicle control devices 6,12 which kicked easily and properly operated.

  That is, in the above embodiment, when an occupant carrying the portable device 1 gets on and off the vehicle, the first to fourth operation switches 13 to 16 provided on the portable device 1 are connected to the door lock mechanism 3 and the slide door. Since it is configured to function as an operation switch for keyless entry that drives the drive mechanisms 4 and 5, the first and second operation switches 13 and 14 of the portable device 1 are operated to lock the door lock mechanism 3 in a locked state or an unlock state. The vehicle can be locked by operating the third and fourth operation switches 15 and 16 to operate the slide door drive mechanisms 4 and 5 so as to individually open and close the left and right slide doors of the rear seat. It is possible to easily get on and off.

  When the detecting means 17 detects that the portable device 1 has been brought into the vehicle, the switching means 18 automatically switches the functions of the first to fourth operation switches 13 to 16, and Since the fourth operation switches 13 to 16 are configured to function as operation switches for raising and lowering the window, an occupant who has entered the vehicle interior operates the first to fourth operation switches 13 to 16 of the portable device 1, By operating the front seat window elevating mechanisms 8 and 9 and the rear seat window elevating mechanisms 10 and 11, the windows of the doors can be individually driven up and down.

  In addition, in a state where an occupant has entered the vehicle compartment, it is not necessary to operate the in-vehicle control device 6 for keyless entry including the door lock mechanism 3 and the slide door drive mechanisms 4 and 5. By causing the first to fourth operation switches 13 to 16 to function as operation switches for operating the vehicle-mounted control device 12 other than for keyless entry, the vehicle-mounted control device 12 can be appropriately operated without causing an erroneous operation. it can. Accordingly, the number of operation switches provided in the portable device 1 can be reduced to effectively simplify the configuration, and the operation switch for raising and lowering the windows conventionally provided in the door trim or console box in the vehicle interior is omitted. And there is an advantage that the interior design can be simplified.

  In addition, when the passenger goes out of the vehicle with the door window of the front door side door or the door window of the rear seat open, the door window can be closed using the portable device 1. By operating the first to fourth operation switches 13 to 16 of the portable device 1 by so-called long pressing, the front seat window elevating mechanisms 8 and 9 and the rear seat window elevating mechanisms 10 and 11 are operated from the outside of the vehicle. You may comprise so that it can do. Further, the vehicle-mounted control devices other than the keyless entry operated by the first to fourth operation switches 13 to 16 are limited to the front seat window elevating mechanisms 8 and 9 and the rear seat window elevating mechanisms 10 and 11. Instead, an air conditioning control device or an audio control device can be considered.

  Further, it is detected by the detection means 17 that the portable device 1 is placed in the installation portion 26 provided in the vehicle interior, and the functions of the first to fourth operation switches 13 to 16 are switched by the switching means 18. Instead of the above-described embodiment, the portable device 1 is brought into the vehicle interior by detecting the weak radio waves transmitted from the vehicle-mounted device 2 or the like into the vehicle interior by the detection means 17 provided in the mobile device 1. It may be configured to detect whether or not.

  However, as described above, the detection means 17 detects that the portable device 1 is placed in the installation portion 26 provided in the vehicle interior, and switches the functions of the first to fourth operation switches 13 to 16. In the case of such a configuration, by clarifying the installation position of the portable device 1, there is an advantage that it is possible to effectively prevent the occurrence of the situation of losing the portable device 1.

  In particular, as shown in the above-described embodiment, when the installation unit 26 of the portable device 1 is disposed at an intermediate position on the left and right front seats and rear seats on the rear upper surface of the center console 25, the passengers seated in the respective seats However, there is an advantage that the operation switches 13 to 16 of the portable device 1 can be easily and appropriately operated. Further, as shown in the embodiment, when the electromagnetic coil 27 is provided in the installation unit 26 for generating an electromagnetic wave in the portable device 1 placed in the installation unit 26 to form a magnetic field. Has the advantage that even if the battery runs out in the portable device 1, the detecting means 17 can detect that the portable device 1 is placed on the installation portion 26 in the vehicle interior.

  In addition, when the portable device 1 is mounted on the installation unit 26, an electromagnetic coil 27 that generates a magnetic field by generating an electromagnetic wave and outputs a self-authentication signal from the portable device 1 is provided on the installation unit 26. The vehicle-mounted device 2 may be provided with an engine start control unit that receives the self-authentication signal and starts the engine. In such a configuration, even when the portable device 1 runs out of battery, a so-called keyless keyless function that can start the engine using the portable device 1 can be realized with a simple configuration. There is an advantage.

  In the above embodiment, when it is detected by the detection means 17 provided in the portable device 1 that the portable device 1 has been brought into the vehicle, the switching means 18 is provided for the keyless entry provided in the portable device 1. In the above description, the first to fourth operation switches 13 to 16 are configured to function as operation switches for raising and lowering the window. However, instead of this configuration, detection means for detecting radio waves transmitted from the portable device 1 Is installed in the in-vehicle device 2 and the detection means detects that the portable device 1 has been brought into the vehicle, other than for keyless entry according to the operation of the first to fourth operation switches 13 to 16. It is also possible to configure the vehicle-mounted control device to operate.

DESCRIPTION OF SYMBOLS 1 Mobile device 2 Vehicle-mounted device 3 Door lock mechanism 7 Vehicle-mounted control apparatus for keyless entry 8-11 Window raising / lowering mechanism 12 Vehicle-mounted control apparatus other than for keyless entry 13-16 Operation switch 17 Detection means 18 Switching means 25 Center console 26 Installation part 27 Electromagnetic coil

Claims (7)

  In a keyless entry system comprising: a portable device carried by an occupant; an in-vehicle device capable of receiving a signal transmitted from the portable device; and an in-vehicle control device that operates according to a control signal received by the in-vehicle device. An operation switch that is provided in the portable device and outputs a control signal to an in-vehicle control device for keyless entry; and a detection unit that detects that the portable device has been brought into the vehicle. A keyless entry system configured to activate a vehicle-mounted control device other than the one for keyless entry according to the operation of the operation switch when it is detected that it has been brought into the vehicle.   2. The keyless entry operation switch is configured to function as an operation switch for a window lifting mechanism when it is detected by the detection means that a portable device has been brought into the vehicle. Keyless entry system described in.   When the detection means detects that the portable device has been brought into the vehicle, an operation switch for the door lock mechanism provided on the side doors of the driver's seat and the passenger seat is provided on the driver's seat and the passenger seat. 3. The keyless entry system according to claim 1, wherein the keyless entry system is configured to function as an operation switch for a window raising / lowering mechanism of a side door.   When the detection means detects that the portable device has been brought into the vehicle, an operation switch for the sliding door drive mechanism that opens and closes the rear seat slide door is moved up and down the window provided on the rear seat slide door. The keyless entry system according to any one of claims 1 to 3, wherein the keyless entry system is configured to function as an operation switch for a mechanism.   5. The keyless entry system according to claim 4, wherein the detection means is configured to detect that the portable device is placed in an installation part provided in the vehicle interior.   6. The keyless entry system according to claim 5, wherein an installation part of the portable device is disposed on a center console in the vehicle interior.   An electromagnetic coil for generating a magnetic field by generating an electromagnetic wave when a portable device is placed on the installation unit to output a self-authentication signal from the portable device, and an engine for receiving the self-authentication signal and starting the engine The keyless entry system according to claim 5 or 6, further comprising a start control unit.

Images