JP2002242501A - Radio locking-unlocking apparatus for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the foregetfulness of a card 20 for authentication in the case of getting-in an automobile in a locking-unlocking apparatus 30. SOLUTION: A read section 12 for an ignition key 10 reads the ID signal of the card 20 for authentication through a connector 11. A radio-wave transmission section 13 for the signal transmits the ID signal. An authentication section 33 collates the ID signal with a registered signal in the case of the reception of the ID signal in a radio-wave receiving section 31 for the signal for the locking-unlocking apparatus 30. When the ID signal and the registered signal coincide, a control section 34 outputs an unlocking permission signal or a locking permission signal. An engine electronic controller 40 receives the unlocking permission signal, and drives and unlocks a door-lock actuator. The engine electronic controller 40 drives the door-lock actuator and locks a door in the case of the reception of the locking permission signal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless locking / unlocking apparatus for locking and unlocking an automobile.

[0002]

2. Description of the Related Art Conventionally, on-vehicle telephones are disclosed in
As disclosed in Japanese Patent No. 77682, a telephone number and personal data for each user (for example, data of a memory dial in which a telephone number and a destination name are registered, data of an incoming call history, etc.)
ID card holding a SIM, for example, SIM (Global
System for Mobile Commun
It is considered that a card｝ is used. In this device, an ID card is mounted on a vehicle-mounted telephone body, and the vehicle-mounted telephone body reads a telephone number from the ID card and functions as a telephone.

Further, in a key system of an automobile, a radio device for outputting an ID code of each user via a radio wave as a medium is built in an ignition key, and the ignition key is inserted into a key cylinder of a wireless unlocking device. In some cases, a registration code registered in advance is compared with an ID code of an ignition key from a wireless device to perform locking and unlocking.

[0004]

By the way, the present inventor examined an example in which the above-mentioned vehicle-mounted telephone and the above-mentioned wireless lock / unlock device were provided in a car. When the user held the ignition key in the car, When going out, the user may forget the ID card at home, or conversely, when getting off the car, the user may forget to remove the ID card from the vehicle-mounted telephone body.

[0005] For example, the SIM card of the vehicle-mounted telephone has an ID.
A user carrying the card may bring only the ignition key and leave the SIM card at home, or the SIM card in a car.

[0006] In view of the above, the present invention integrates an ID card and a wireless key device for a vehicle, and
It is an object of the present invention to provide a wireless locking / unlocking device for a vehicle that can prevent forgetting of an ID card and prevent leaving an ID card in a vehicle even when getting off the vehicle.

[0007]

In order to achieve the above object, according to the present invention, at least one registration signal is registered to lock and unlock a door of an automobile. A locking / unlocking device (38, 40) and an ID card (20) to be used when going out are inserted, a collation signal generated by an ID signal of the ID card, and an ID
A wireless key device (10) for a vehicle for transmitting any one of the signals wirelessly, and one of the signals is wirelessly input from the wireless key device for a vehicle to the lock / unlock device, and the one signal is Locking and unlocking are performed by checking whether the registration signal matches.

As described above, locking and unlocking are performed by checking whether the one signal and the registration signal match, so that the one signal is required to perform locking and unlocking. Therefore, in order to perform locking and unlocking, it is necessary that the ID card is inserted into the wireless key device for a vehicle. Therefore, by integrating the ID card and the wireless key device for a vehicle, it is possible to prevent the user from forgetting the ID card when getting on the vehicle, and to prevent the ID card from being left inside the vehicle when getting off the vehicle.

According to the second aspect of the present invention, since the ID card used when going out is an ID card used for a device in the automobile, the user is informed that the user forgets the ID card when getting on the automobile. Can be prevented. Specifically, as in the invention according to the third aspect, the ID card used when going out includes an SI for a vehicle-mounted telephone.
An M card may be employed.

[0010] In the invention described in claim 4, the automobile is shared by a plurality of people, and the lock / unlock device has a plurality of registration signals corresponding to a plurality of people. Features. This allows a plurality of people to use the vehicle with their respective vehicle wireless key devices without having to rent and rent the vehicle wireless key device between the people.

Incidentally, the reference numerals in parentheses of the above means are examples showing the correspondence with specific means described in an embodiment which will be described later.

[0012]

1 and 2 show an embodiment of a wireless locking / unlocking apparatus for a vehicle according to the present invention. FIG. 1 is a block diagram showing an electric circuit configuration of a wireless locking and unlocking device for a vehicle. As shown in FIG. 1, the wireless locking and unlocking device for an automobile includes an ignition key 10, an authentication card 20, a locking and unlocking device 30, and an engine electronic control device 40.

An ignition key (wireless key device for automobile) 10 includes a connector 11, a reading unit 12, a signal radio wave transmission unit 13, a transmission antenna 14, a control unit 15, a power supply radio wave receiver 16, and a reception antenna 17. It is configured. The connector 11 is detachably connected to the authentication card 20, and the reading unit 12 is controlled by the control unit 15 to read an ID signal of the authentication card 20 through the connector 11. However, as the ID signal, the user's I
A signal indicating the D code is employed.

The signal radio wave transmitting unit 13 is controlled by the control unit 15 to transmit an ID signal from the transmitting antenna 14 using a radio wave as a medium. The control unit 15 includes the reading unit 12
And the signal radio wave transmitting unit 13. The power supply radio receiver 16 receives power through a reception antenna 17 using radio waves as a medium, and reads the received power as a reading unit 1.
2. The signal is supplied to the signal radio wave transmission unit 13 and the control unit 15. The authentication card (ID card) 20 is a substantially square SIM card having an IC chip built therein.
In this IC chip, a user ID code (for example, a telephone number) and personal information are registered.

In FIG. 1, a lock / unlock device 30 is provided.
Is installed in the door of the automobile, for example, and includes a signal radio wave receiving unit 31, a receiving antenna 32, an authentication unit 33, a control unit 34, a power radio wave transmitting unit 35, a transmitting antenna 36, a radio unit 37, and An antenna 38 is provided.

The signal radio wave receiving unit 31 is controlled by the control unit 34 to receive the ID signal through the receiving antenna 32 using radio waves as a medium, and the authentication unit 33 is controlled by the control unit 34 to output the ID signal and the ID signal. Check with the registration signal. In addition, the control unit 34 controls the authentication unit 33, the power supply radio wave transmission unit 35, and the wireless unit 37. Here, the control unit 34 stores the registration signal and outputs the registration signal to the authentication unit 33 upon the above-mentioned collation. Then, the authentication unit 33 sets the ID
The control unit 34 outputs a permission signal indicating permission of either locking or unlocking of the door to the engine electronic control unit (engine ECU) 40 when both the signals match with each other by comparing the signal with the registration signal. I do.

For example, with the door locked,
When the ignition key 10 is inserted into the key cylinder and the ID signal matches the registration signal, the control unit 34
Outputs an unlock permission signal indicating permission to unlock the door.
After that, the ignition key 10 is inserted into the key cylinder.
Is removed and the ignition key 10 is inserted into the key cylinder again, and when the ID signal and the registration signal match, the control unit 34 outputs a lock permission signal indicating permission to lock the door.

The power radio wave transmitting unit 35 is controlled by the control unit 34 to transmit electric power through a receiving antenna 36 using radio waves as a medium, and the radio unit 37 receives a registration signal through an antenna 38 and receives the registration signal. The signal is output to the control unit 34. Here, since the registration signal is transmitted from the registration center, the registration signal can be remotely registered from the registration center to the control unit 34 of the locking and unlocking device 30. Thus, the registration center can centrally manage the registration signal.

However, the locking / unlocking device 30 may be connected to the vehicle-mounted telephone, and the base station may call the vehicle-mounted telephone and register a registration signal in the locking / unlocking device 30. Further, when the engine electronic control device 40 receives the lock permission signal,
While the door lock actuator (not shown) is driven to lock the door, when the unlock permission signal is received, the door lock actuator is driven to unlock.

Before describing the operation of the present invention,
The structure of the vehicle wireless key 10 will be described with reference to FIG. FIG. 2 is a perspective view showing the structure of the ignition key 10. In FIG. 2, the ignition key 10 is
A key body having a key body and a holding portion;
Is made of metal and is formed of a substantially rectangular plate member. Note that no key groove is formed on the surface of the key body 18.

The holding portion 19 is a substantially square plate-like member, and is disposed at one longitudinal end of the key body 18.
An opening 19a is formed on the side of the holding unit 19, and the authentication card 20 is inserted into the opening 19a. Since the connector 11 is provided in the opening 19a, the authentication card 20 can be connected to the connector 11 by inserting the authentication card 20 into the opening 19a. That is, the authentication card 20 is integrated with the ignition key 10. The authentication card 20
Is perpendicular to the longitudinal direction of the key body 18.

Next, the operation of the present embodiment will be described with reference to FIG. First, the authentication card 20 is inserted into the opening 19a of the holding portion 19 of the ignition key 10, and the authentication card 20 and the connector 1 of the ignition key 10 are connected.
Connect to 1. After that, the ignition key 10 is inserted into the key cylinder while being connected to the connector 11. Here, the power supply radio wave transmitting unit 3 of the locking and unlocking device 30
Numeral 5 transmits electric power through the receiving antenna 36 using electric waves as a medium.

Next, in the ignition key 10,
The power supply radio receiver 16 receives power through the reception antenna 17 using radio waves as a medium, and supplies the received power to the reading unit 12, the signal radio wave transmission unit 13, and the control unit 15. Along with this, the control unit 15 starts controlling the reading unit 12 and the signal radio wave transmitting unit 13. Therefore, the reading unit 12 sets the I
The D signal is read through the connector 11 and the control unit 15
The signal is output to the signal radio wave transmitting unit 13 through. Therefore, the signal radio wave transmission unit 13 transmits the ID signal from the transmission antenna 14 using radio waves as a medium.

Next, in the locking / unlocking device 30, the signal radio wave receiving section 31 receives the ID signal through the receiving antenna 32 using the radio wave as a medium. Then, the authentication unit 33 is controlled by the control unit 34 to collate the ID signal with the registration signal. Here, when the ID signal matches the registration signal, the control unit 34 outputs an unlock permission signal or an unlock permission signal to the engine electronic control device 40.

For example, with the door locked,
When the ignition key 10 is inserted into the key cylinder and the ID signal matches the registration signal, the control unit 34
Outputs an unlock permission signal. Then, the engine electronic control unit 40 receives the unlock permission signal and drives the door lock actuator to unlock the door.

Thereafter, when the ignition key 10 is removed from the key cylinder and the ignition key 10 is inserted again in the key cylinder, and the ID signal matches the registration signal, the control unit 34 issues a lock permission signal. Is output. Then, the engine electronic control unit 40 receives the locking permission signal and drives the door lock actuator to lock the door.

Hereinafter, features of the present embodiment will be described.
That is, the lock / unlock device 30 collates the ID signal with the registration signal and outputs an unlock permission signal or a lock permission signal. Therefore, in order to unlock and lock the door of the automobile, the lock / unlock device 30 needs the ID signal of the ignition key 10. For this reason, in order to unlock and lock the door of the automobile, it is necessary that the ignition key 10 be connected to the authentication card 20. Therefore, by connecting and integrating the authentication card 20 and the ignition key 10,
It is possible to prevent the authentication card 20 from being forgotten when riding in a car, and to prevent the authentication card 20 from being left in the car when getting off the car.

Further, when a user forgets to remove the authentication card 20 from the vehicle-mounted telephone in the car and another person uses the car, personal information (phonebook information) may be leaked. is there. However, in the present embodiment, as described above, it is possible to prevent the authentication card 20 from being left in the vehicle when the user gets off the vehicle, so that leakage of personal information can be prevented.

In the above embodiment, the ignition key 10 is employed as a key for locking and unlocking the door lock, and the locking and unlocking device 30 compares the registration signal with the ID signal of the ignition key 10. Lock permission signal,
Alternatively, the example in which the unlock permission signal is output has been described. However, the present invention is not limited to this, and the ignition key 10 for instructing the start of operation of the engine or the prohibition of start of operation of the engine may be operated.

In this case, the locking / unlocking device 30 is provided together with the key cylinder, not in the door, but in the vicinity of the steering wheel in the automobile. When they match, the control unit 34 outputs a permission signal indicating permission to start the operation of the engine to the engine electronic control device 40. Thereafter, when the ignition key 10 is removed from the key cylinder, the control unit 34 determines that the reception level (reception power) of the ID signal is equal to or less than a predetermined threshold value, and a prohibition signal indicating prohibition of starting operation of the engine. Is output to the engine electronic control unit 40. That is, after the ID signal and the registration signal match, the ignition key 1 is inserted into the key cylinder.
When 0 is omitted, the control unit 34 outputs a prohibition signal.

Further, in the above-described embodiment, an example is described in which an ID signal transmitted from the ignition key 10 and indicating the ID code of the user is used in the locking / unlocking device 30 for collation with the registration signal. However, the present invention is not limited to this, and a matching signal generated from the ID signal may be employed. That is, the signal processing may be performed on the ID code, and the ID code after the signal processing may be adopted as the comparison signal.

In practicing the present invention, the authentication card 20 is not limited to a SIM card, but may be a card-type storage medium or an IC chip used in an automobile. Moreover,
The authentication card 20 may be an in-vehicle personal computer or an electronic tachometer card.

Further, in the above-described embodiment, the structure of the wireless key 10 for an automobile is
Although the example in which the opening 19a is formed has been described, the present invention is not limited to this, and as shown in FIG.
May be formed at the top. Further, the opening 1
Instead of forming 9a on the top or side of holding portion 19, it may be as shown in FIG.

In FIG. 4, the holding portion 19 has a substantially square holding portion main body 19b, a cover portion 19c that covers one surface of the holding portion main body 19b, and a cover member 19c that can be opened and closed with respect to the holding portion main body 19b. Connecting part 19d to connect
(Hinge). A flat opening 19a is formed on one surface of the holder main body 19b, and the authentication card 20 can be built in the opening 19a.

Here, when the cover member 19c is opened,
While the opening 19a of the holding portion main body 19b is exposed, when the cover member 19c is closed, the opening 19a of the holding portion main body 19b is covered by the cover member 19c.
In FIG. 4, reference numeral 14e denotes an electrode portion formed on the bottom wall in the opening portion 19a. When the authentication card 20 is built in the opening portion 19a, the electrode portion 14e It makes electrical contact with an electrode section (not shown) of the card 20.

Further, in the embodiment of the present invention, as shown in FIG. 5, when one vehicle is shared by a plurality of people, a plurality of people lock and unlock device 30 of one vehicle. (In FIG. 5, the registration signal of person A, person B, person C) may be registered. Accordingly, even if the ignition key 10 is not rented and rented among a plurality of people, each of the plurality of people can use the ignition key 1 held by the user.
0 means that one vehicle can be used. In this case, the automobile is preferably applied to a company car, a rental car, or the like.

Further, in practicing the present invention, as shown in FIG. 6, a lock / unlock device 30 for a plurality of automobiles (car A, car B, car C in FIG. 6) is assigned to a certain user. May be registered. This allows a certain user to use a plurality of automobiles with the same ignition key 10.

In the above-described embodiment, the key body 18 of the vehicle wireless key 10 has no key groove. However, the present invention is not limited to this, and a key groove may be formed. Good.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an electric circuit configuration of a wireless unlocking device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an ignition key shown in FIG. 1;

FIG. 3 is a perspective view showing an ignition key according to a modified example of the embodiment.

FIG. 4 is a perspective view showing an ignition key according to a modification of the embodiment.

FIG. 5 is a diagram for explaining an application of a modification of the embodiment.

FIG. 6 is a diagram for explaining an application of a modification of the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Ignition key, 11 ... Connector, 12 ... Reading part, 13 ... Signal radio wave transmitting part, 20 ... Authentication card, 30 ... Locking / unlocking device, 31 ... Signal radio wave receiving part, 3
3 ... Authentication unit, 34 ... Control unit, 40 ... Engine electronic control unit.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E05B 65/20 E05B 65/20

Claims (4)

[Claims] At least one registration signal is registered, and a locking / unlocking device (38, 40) for locking / unlocking a door of an automobile and an ID card (20) used when going out are inserted. A vehicle wireless key device (10) for wirelessly transmitting one of the ID signal generated by the ID signal of the ID card and the ID signal; The vehicle is characterized in that the one signal is wirelessly input from a wireless key device for a vehicle, and the locking and unlocking are performed by checking whether the one signal matches the registration signal. Wireless locking and unlocking device. 2. The wireless unlocking and unlocking device for a vehicle according to claim 1, wherein the ID card used when going out is an ID card used for a device in the vehicle. 3. The wireless unlocking and unlocking device for an automobile according to claim 2, wherein the ID card used when going out is a SIM card for a vehicle-mounted telephone. 4. The vehicle according to claim 1, wherein the plurality of registration signals are registered in the locking and unlocking device in correspondence with the plurality of people. The wireless locking / unlocking device for an automobile according to claim 1.