JPH06156193A - Vehicle ignition lock device - Google Patents

Abstract

PURPOSE:To help a user when a locking means is out of order by providing a counting means which detects the opening of a door or a trunk lid or the activation of a head lamp and a horn before a specified time period is elapsed after the function of an input means is stopped, is cleared when the opening or activation are repeated a specified number of times, and generates the trigger signal to a driven device. CONSTITUTION:A function stopping means which does not generate the driving signal from a comparative means to a locking device 37 when the non-regular key code is received by an input device 15, and stops the function of the input device 15 for a specified time period when the key codes from a storage circuit 38 and the input circuit 15 are not coincident with each other. A trigger signal counting means which detects the number of the operation of a lamp switch 40, a horn switch 41, a door switch 42 and a trunk switch 43 after the function of the input device 15 is stopped and before the specified time is elapsed, and clears them, and generates the driving signal to the locking device 37 is provided. The timer counts the time where the function of the input device 15 is stopped (e.g. 3 minutes) and counts the number of operation to help the operator (e.g. 10 times).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock device, and more particularly to an ignition lock device for a vehicle, which is capable of operating a driven device when a signal transmitting device for generating a remote control signal fails.

[0002]

2. Description of the Related Art Mechanical cylinder locks in which a key cylinder provided with a plurality of tumblers is rotatably arranged in a case are used in various fields such as construction, vehicles and machinery. Further, recently, as disclosed in Japanese Patent Publication No. 61-28791, a keyless entry system for unlocking by operating a plurality of switches in a predetermined order, Japanese Patent Publication No. 63-11509 and Japanese Patent Publication No. 60-138190. As shown in Japanese Patent Laid-Open Publication No. 2004-242242, an electronic lock device has been proposed which unlocks the lock device via a remote control signal mediated by infrared rays or radio waves.

These electronic lock devices may be used in combination with a mechanical cylinder lock. For example, Japanese Unexamined Patent Publication No. 62-173354 discloses an antitheft device in which a cylinder lock is combined with a control circuit using infrared rays.

A vehicle key device in which a key coil provided on a key and a rotor coil provided on a lock are magnetically coupled, as disclosed in, for example, Japanese Patent Publication No. 4-15141, is well known. The key device includes an annular core arranged around a key insertion hole of a vehicle lock. A rotor coil is wound around the annular core, and an information detecting signal is supplied to the rotor coil by the signal generating means. The signal transmitted to the rotor coil is detected by the signal detecting means. The control means fetches the output signal of the signal detection means, compares the information based on this output signal with the determination information, and outputs the engine drive permission signal to the engine drive section only when the contents of both match. The key formed so that it can be inserted into the key insertion hole of the lock has a shaft-shaped core that is close to the annular core at two points to form a magnetic circuit when the key is inserted, and a rotor coil and a magnetic coil that are wound around the shaft-shaped core when the key is inserted. It has a key coil to be coupled and an information generating means for generating a signal containing specific information from the key coil in response to a signal induced in the key coil.

When the key is inserted into the key insertion hole of the lock and the axial core is brought close to the annular core to form a set of magnetic circuits, a signal from the signal generating means is induced in the key coil through the rotor coil. To be done. When the information generating means responds to this signal, a signal containing specific information is generated from the key coil. When this signal is induced in the rotor coil, this signal is detected by the signal detection means and supplied to the control means. The control means compares the information based on the output signal of the signal detection means with the determination information, and outputs the engine drive permission signal to the engine drive section only when the contents of the two match.

In this vehicle key device, information for driving the engine is transmitted and received by magnetically coupling the lock-side annular core and the key-side shaft-shaped core, and the information from the key side is transferred to the lock-side. Since the engine can be driven only when it matches the information, there is no possibility of detecting the information due to the adhesion of dust or reading the wrong information by operating the key, and the The engine can be reliably driven by the magnetic coupling.

[0007]

By the way, JP-A-62-62
The mechanical-electronic combination locking device disclosed in Japanese Patent Publication No. 173354 and Japanese Patent Publication No. 4-15141 is excellent in improving the function of preventing unauthorized unlocking by combining a cylinder lock and an electronic signal decoding device. There is. However, there is a problem that the lock device cannot be unlocked if the signal transmission device fails for some reason. Therefore, it is necessary to provide a rescue means that can be unlocked when the signal transmission device fails.

The present invention provides an ignition lock device for a vehicle in which a mechanical lock means and an electronic lock means are combined to give a drive signal to a driven device when the electronic lock means does not operate normally. The purpose is to do.

[0009]

An ignition lock device for a vehicle according to the present invention compares a storage means for storing a key code, an input means for inputting the key code, a storage means and a key code from the input means. Comparing means for generating a drive signal to the driven device, a function stopping means for stopping the function of the input means for a certain period of time each time the key codes from the storage means and the input means do not match, and the input means. It is detected that the door or the trunk lid is opened or the headlamp or the horn is operated after the start of the function stop and before the elapse of the certain time, and when these operations are repeated a certain number of times, the device itself is cleared and the driven device. And counting means for generating a trigger signal for generating a drive signal to the. In the embodiment of the present invention, an ignition lock device for a vehicle includes a mechanical lock unit and an electronic lock unit, and the electronic lock unit stores a key code and an input unit for inputting the key code. And comparing means for comparing the key codes from the storage means and the input means and for generating a drive signal to the driven device when they match and the lock means is in the unlocked state.
The input means is a ten-key switch, an infrared receiver, a radio wave receiver, or an electromagnetic wave receiver. The alarm device is activated when the input means is deactivated after a certain period of time.

[0010]

When the key is inserted into the mechanical lock means to unlock the mechanical lock means, and then the regular key code is input to the input means, the input key code is stored in the storage means in the comparison means. It is compared with the stored key code, and when they match, the comparison means gives a drive signal to the driven device.

When an irregular key code is input to the input means or when the signal transmission device fails for some reason, the drive signal from the comparison means to the driven device is not generated. In this case, the function stopping means of the vehicle ignition lock device stops the function of the input means for a certain period of time each time the key codes from the storage means and the input means do not match. Further, the counting means detects that the headlamp, the horn, the door or the trunk lid is operated after the start of the function stop of the input means and before the lapse of the predetermined time exceeding the predetermined time, and the headlamp, the horn, the door or the When the trunk lid is repeatedly actuated a certain number of times, it clears itself and produces a trigger signal for generating a drive signal to the driven device.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a vehicle ignition lock device according to the present invention using a plurality of switches as input means will be described below with reference to FIGS.

As shown in FIG. 1, the vehicle ignition lock device includes a steering lock device 10 as a mechanical lock means. A key cylinder 12 is rotatably arranged in a frame 11 of the steering lock device 10. A tumbler 14 and a spring 18 are arranged in each of the plurality of slits 13 of the key cylinder 12 in the same manner as a known structure. An ignition switch 16 is attached to the rear portion of the steering lock device 10. Key cylinder 12 with regular key 17
By rotating, the steering lock device 10 can be unlocked or locked, and the ignition switch 16 can be turned on or off. Steering lock device 10
An input device 15 as an input means including a plurality of switches and a switch 35 that supplies electric power to the input device 15 for a certain period of time when it is turned on are provided in the vicinity of the input device 15. The input device 15 is connected to the reception control circuit 31.

As shown in FIG. 2, the input device 15 is connected via an interface 33 to an input terminal a of a reception control circuit 31 as an electronic lock means 30. The input device 15 is supplied with power from the output terminal i of the reception control circuit 31. Further, each input terminal b, c of the reception control circuit 31
An ignition switch 34, which is turned on when the key cylinder 11 is rotated, and a switch 35 are provided for d, j, k, l, and m.
A lock state detection switch 36, a lamp switch 40 for turning on a headlamp, a horn switch 41 for operating a horn, and a door switch 4 for detecting opening of a door.
2 and the trunk switch 43 that detects the opening of the trunk
And are connected respectively. The output terminals e and f of the reception control circuit 31 give a lock output and an unlock output to the lock device 37 as a driven device, and the output terminal h gives a drive output to the alarm device 39 such as a buzzer. In addition, the reception control circuit 31
The input / output terminal g of (1) transmits / receives a signal to / from a storage circuit 38 as a storage means for storing a key code. Although not shown, the reception control circuit 31 compares the key codes from the memory circuit 38 and the input device 15 to determine that they match each other, and after unlocking the steering lock device 10, the ignition switch 34 is turned on.
When the switch is on, the comparison means for generating a drive signal which is a locking output or an unlocking output to the lock device 37 and the function of the input device 15 for a certain time when the key codes from the memory circuit 38 and the input device 15 do not match. The function stopping means for stopping and the number of times the lamp switch 40, the horn switch 41, the door switch 42, and the trunk switch 43 are operated after the start of the function stop of the input device 15 and before the elapse of the predetermined time, are detected and are cleared by themselves. Further, it is provided with a counter as counting means for generating a trigger signal for generating a drive signal to the lock device 37. The timer counts the time 2 to 4 minutes (for example, 3 minutes) when the function of the input device 15 is stopped, and the counter counts the number of operations (for example, 10 times) until the operator is rescued.

Next, the operation of the circuit configuration of FIG. 2 will be described with reference to the flowchart of FIG. The reception control circuit 31 monitors the ON state of the ignition switch 34 and the key code input from the input device 15 (step 50).
When the key is inserted into the steering lock device 10 to unlock the steering lock device 10, the ignition switch 34 is turned on (step 51). After that, when a regular key code is input by operating a plurality of switches of the input device 15 in a predetermined order (step 5).
2) The input key code is given to the reception control circuit 31 via the interface 33. The input key code is stored in the storage circuit 38 in the comparison means of the reception control circuit 31.
Is compared with the key code stored in (step 53),
The comparison means determines whether these key codes match (step 53). When these key codes match in step 54, the comparing means clears the counter and the timer in step 63, and then sends a lock output or an unlock output to the lock device 37 (step 64).
Then, the process proceeds to step 68. The lock state of the lock device 37 is detected by the lock state detection switch 36, the lock device 37 is in the locked state, and the lock state detection switch 36
When is ON, the unlocking output is sent from the output terminal f of the reception control circuit 31 to the lock device 37. On the contrary, when the lock device 37 is in the unlocked state and the lock state detection switch 36 is off, the lock output is sent from the output terminal e of the reception control circuit 31 to the lock device 37.

If the key codes do not match in step 54, the counter value is N = 10 in step 55.
Judge whether or not. Next, in step 56, the timer is operated, and in step 57, the reception control circuit 31 stops the power supplied through the output terminal i, thereby stopping the function of the input device 15 for 3 minutes in which the timer operates. In step 58, it is determined whether or not the timer has counted a predetermined time of 3 minutes. When 3 minutes have elapsed, the reception control circuit 31 releases the function stop for the input device 15 in step 67, activates the alarm device 39, displays a function return display, and then proceeds to step 61. If 3 minutes have not elapsed in step 58, step 5
At 9, it is determined whether the door is opened by turning on the door switch 42. If the door switch 59 is turned on in step 59, it is determined in step 60 whether the trunk lid is opened and the trunk switch 43 is turned on. When the trunk lid is opened in step 60, the process proceeds to step 61, and it is detected whether the head lamp is turned on or the horn is operated by turning on the lamp switch 40 or the horn switch 41. When the headlamp is turned on or the horn is activated, the process proceeds from step 61 to 62, 1 is added to the counter, and the process proceeds to step 68.

When the door is closed in step 59, it is determined in step 65 whether the trunk lid is opened. When the trunk lid is closed in step 65, the process returns to step 58. Step 65
When the trunk lid is opened at step 66
At, it is determined whether the door has been opened. When the door is opened in step 67, the process proceeds to step 61, and when the door is in the closed state, the process returns to step 58. In the case of electronically inputting the key code via the input device 15, when 30 minutes have elapsed after the non-regular key code is input, a drive signal is sent from the counter to the lock device 37, so that the steering lock device 10 The lock can be unlocked only by itself, and a remedy can be provided to the operator when the keyless entry system fails. Actually, the 30 minutes required for the unlocking operation is considered to be a time sufficient to prevent unauthorized unlocking.

As described above, in this embodiment, when the non-regular key code is input to the input device 15, the drive signal from the comparison means to the lock device 37 is not generated, and the ignition lock device for a vehicle stops functioning. The means stops the function of the input device 15 for 3 minutes when the key codes from the storage circuit 38 and the input device 15 do not match. Also, the counter has a door, a trunk lid, and a headlamp or horn for each one.
It is counted that it has been operated 0 times, and when it has been operated 10 times each, it is cleared and a drive signal to the lock device 37 is generated.

The embodiment of the present invention is not limited to the above embodiment, but various modifications can be made. For example, the input device 1
In place of the plurality of switches constituting the keyless entry system as 5, there may be used various sensors such as an infrared sensor or a receiver for receiving a remote operation signal including a key code such as an infrared receiver or a radio wave receiver. .
Further, as disclosed in Japanese Patent Publication No. 4-15141, for example, electromagnetic wave reception used in a key device in which a key coil or coil antenna provided on a key and a rotor coil or coil antenna provided on a lock magnetically interact with each other You may use a machine.

In the vehicle ignition lock device according to the present invention, it can be detected in step 51 of FIG. 4 that the steering lock device is unlocked by the proper key and rotated to the ACC position or the start position.
The rotation to the ACC position or the start position can be detected by the reception control circuit 31 via the ignition switch. In this case, in steps 64 and 69 of FIG. 4, outputs for simultaneously operating the starter relay and the fuel pump may be generated from the output terminals e and f of the reception control circuit 31. The alarm device 39 may be activated when the counter and timer are cleared in step 63.

Although the door, the trunk, the headlamp, and the horn are sequentially operated between steps 58 and 62 of FIG. 3 or 4, any one of the door, the trunk, the headlamp, and the horn can be used. The rescue means can be configured by a combination or a combination of a plurality of operations.

The drive signal to the lock device (driven device) generated when the counter counts a predetermined time is configured to generate the drive signal not from the counter itself but from other means based on the output of the counter. Good.

[0023]

According to the present invention, even if the electronic locking means is broken, it can be unlocked by operating the head wrap, the horn, etc. a predetermined number of times, so that the user can be provided with a relief means in case of failure.

[Brief description of drawings]

FIG. 1 is a front view of an ignition lock device for a vehicle according to the present invention.

FIG. 2 is an electronic circuit diagram used in the vehicle ignition lock device according to the present invention.

3 is a flowchart showing an operation sequence of the electronic circuit of FIG.

FIG. 4 is a flowchart showing another embodiment of the operation sequence.

[Explanation of symbols]

10. ． Steering lock device (mechanical locking means), 15. ． Input device (input means), 30. ． Electronic locking means, 31. ． Reception control circuit, 34. ． Ignition switch, 35. ． Switch, 36. ． Lock state detection switch, 37. ． Lock device (driven device), 38. ． Storage circuit (storage means), 39. ． Alarm device, 40. ． Lamp switch, 41. ． Horn switch, 42. ． Door switch, 43. ． Trunk switch,

Claims (5)

[Claims] 1. A storage means for storing a key code, an input means for inputting the key code, and a key code from the storage means and the input means are compared, and when they match, a drive signal is generated to a driven device. In an ignition lock device for a vehicle equipped with a comparison means, a function stopping means for stopping the function of the input means for a certain period of time each time the key codes from the storage means and the input means do not match, and after starting the function stop of the input means. And, when the door or the trunk lid is opened or the headlamp or the horn is operated before the predetermined time has elapsed, and when the opening of the door or the trunk lid or the operation of the headlamp or the horn is repeated a certain number of times, And counting means for generating a trigger signal for generating a drive signal to the driven device which is cleared. Ignition lock device for a vehicle to be. 2. The vehicle ignition lock device according to claim 1, wherein the input means is a ten-key switch, an infrared receiver, a radio wave receiver, or an electromagnetic wave receiver. 3. The vehicle ignition lock device according to claim 1, wherein the alarm device is activated when the function stop of the input means is released after a lapse of a certain time. 4. A mechanical lock means and an electronic lock means, wherein the electronic lock means includes a storage means for storing a key code, an input means for inputting the key code, a storage means and an input means. In the ignition lock device for a vehicle, which is provided with a comparing means for generating a drive signal to the driven device when these key codes are compared with each other and the locking means is in the unlocked state, the storage means and the input means are used. A function stopping means for stopping the function of the input means for a fixed time each time the key codes do not match, and a door or a trunk lid is opened or a headlamp or a horn is activated after the function stop of the input means is started and before the predetermined time has elapsed. When the door or trunk lid is opened or the headlamp or horn is operated a certain number of times, it clears itself Re and ignition lock device for a vehicle, comprising the counting means produces a trigger signal for generating a drive signal to the driven device. 5. A mechanical lock means and an electronic lock means, wherein the electronic lock means includes a storage means for storing a key code, an input means for inputting the key code, a storage means and an input means. In the ignition lock device for a vehicle, which is provided with a comparing means for generating a drive signal to the driven device when these key codes are compared with each other and the locking means is in the unlocked state, the storage means and the input means are used. A function stopping means for stopping the function of the input means for a certain time each time the key codes do not match, a door or a trunk lid being opened after the start of the function stop of the input means and before the lapse of the certain time, and a headlamp or a horn. When the door or trunk lid is opened a certain number of times and the headlamp or horn is activated a certain number of times, the One ignition lock device for a vehicle, comprising the counting means produces a trigger signal for generating a drive signal to the driven device.