JP2501647Y2 - Anti-theft device for vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an anti-theft device for a vehicle, and more particularly to an anti-theft device that functions when the doors and the like are opened when all the doors of a vehicle are closed.

[Conventional technology]

2. Description of the Related Art Conventionally, as an anti-theft system for a vehicle, there is a system in which an alarm sounds when the locked door is opened by an operation other than unlocking.

[Problems to be solved by the invention]

However, none of the anti-theft systems has proposed a comprehensive centralized system linked with locking and unlocking of vehicle doors, and such a centralized system is required.

The present invention intends to meet such a request,
It is an object of the present invention to provide a vehicle antitheft device that can be centrally managed comprehensively.

[Means for solving problems]

Therefore, the vehicle anti-theft device of the present invention is provided with an engaging member that is attached to each of a plurality of doors of a vehicle and that maintains a closed state of each door, and a door opening that operates to open the engaging member. Operation member, a lock mechanism for maintaining the engagement state of the engagement member regardless of the opening operation of the operation member, and an operation member for returning the operation state of the lock mechanism to an operable state by the operation member. A plurality of door switches each having an unlocking mechanism, each of which detects an open / closed state of each of the plurality of doors, and a door key lock / unlock that detects that at least one of the plurality of doors is locked with a key. The sensor, the door lock / unlock control means for activating the lock mechanism when a lock signal from the door key lock / unlock sensor is received, and an alarm are issued. An alarm device, and an alarm control means for activating the alarm device when a door open detection signal is received from the door switches during the alarm operation by switching between the alarm state and the non-alert state, and Only when the all-door closing signal from the door switch is received and the lock signal from the door key lock / unlock sensor is output, the warning control means is shifted from the non-warning state to the warning state, and the door key lock / unlock is also performed. It is characterized in that a warning actuating means is provided for canceling the warning state when an unlock signal is output from the sensor.

[Action]

In the above-mentioned vehicle anti-theft device of the present invention, the all-door closing signal from the plurality of door switches and the lock signal from the door key lock / unlock sensor for detecting that the door is locked using the key are output. Only at this time, it is possible to shift from the non-warning state to the warning state, and it is possible to select between the warning state and the non-warning state according to the driver's intention.

Furthermore, when an unlock signal is output from the door key lock / unlock sensor, the warning state is released, and erroneous operation can be prevented.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 8 show a vehicle antitheft device as an embodiment of the present invention.

As shown in FIGS. 7 and 8, the four-door type vehicle 1 is provided with front doors 2a and 2b, rear doors 2c and 2d, and a hood 2e that covers the engine room and a rear lid 2f that covers the trunk room. Each of the opening and closing doors 2a to 2f is provided with a latch mechanism 3 as an engaging member for maintaining the closed state of the doors 2a to 2f.

And each latch mechanism 3 of doors 2a-2d is
The latch mechanism 3 is configured to be opened by operating a door outside handle 4a and a door inside handle 4b as door opening operation members arranged on the vehicle exterior side and the vehicle interior side of 2d. A lock mechanism 5 is provided for holding (locking) the locked state regardless of an operation from the door outside handle 4a or the door inside handle 4b.

Each lock mechanism 5 is configured as an automatic lock mechanism, and is configured to receive a lock signal from a door key lock / unlock sensor 7 attached to a door key cylinder 6 and lock all at once.

Further, an unlocking mechanism 8 is provided for releasing the locked state of each locking mechanism 5 to make the normal door outside handle 4a or door inside handle 4b in the unlocked state operable.

Each unlocking mechanism 8 is configured as an automatic unlocking mechanism, and is configured to receive an unlocking signal from the door key lock / unlock sensor 7 and unlock all at once.

The lock mechanism 5 and the unlock mechanism 8 are the doors 2a to
A lock knob 9 provided on the vehicle interior side of 2d, a link 10 connected to the lock knob 9, and a latch mechanism 3 driven by the link 10 to move the latch mechanism 3 between an operable state by the outside handle 4a and the inside handle 4b and an idling state. And a lock / unlock motor 12 that is connected to the link 10 to switch the idling mechanism 11 between an operating state and a non-operating state.

A door lock / unlock sensor 13 that can detect the locked state or the unlocked state of the lock mechanism 5 and the unlock mechanism 8 of each door 2a to 2d based on the link 10, the idling mechanism 11 or the motor 12 is provided. There is.

A door switch 14 is attached to each of the doors 2a to 2d so that it can detect the closed state of the doors 2a to 2d and other open and half-door states.

Further, the hood 2e and the rear lid 2f are also provided with a latch mechanism as an engaging member, and a door switch 14 is further attached, so that the hood 2e and the rear lid 2f are in a closed state and other open / half-door states. Can be detected.

Further, as shown in FIG. 3, the door inside handle 4b is provided with a door inside handle switch 15, and by pulling the handle 16 of the door inside handle 4b upward, the arm 17 with the handle 16 is removed. Shaft 18
When it is rotated around, the rod 19 is pulled and the latch mechanism 3 is unlocked.

As shown in FIG. 4, the door inside handle switch 15 includes a magnetic body 20 attached to an arm 17 and a door 2a.
2 to 2d, and a reed switch 23 arranged so as to face the permanent magnet 21 with a U-shaped groove 22 that allows the magnetic body 20 to move in and out. .

And this door inside handle switch 15
When the handle 16 of the door inside handle 4b is pulled upward, the magnetic body 20 comes off the U-shaped groove 22, that is, the magnetic force from the permanent magnet 21 to the reed switch 23 is not shielded and the reed switch 23 is turned on. However, other optical switches or mechanical switches may be used.

As shown in FIG. 5, the door key rod / unlock sensor 7 includes an arm 6b that rotates with the rotation of the key 24 into which the key hole 6a is inserted, and a permanent magnet 25 attached to the end of the arm 6b. And the locking direction of arm 6b (clockwise in the figure)
Facing the permanent magnet 25 at the turning position to the same permanent magnet.
The reed switch for lock (door key lock sensor) 26 that is turned on by receiving the magnetic force from 25 and the permanent magnet 25 at the pivot position of the arm 6b in the unlock direction (counterclockwise in the figure). And an unlocking reed switch (door key unlocking sensor) 27 which is turned on by receiving the magnetic force from the permanent magnet 25.

Further, as shown in FIGS. 1 and 2, a seat switch 28 is provided, and the seat switch 28 is arranged in the driver's seat and the passenger's seat so that the seated state of the occupant can be detected. Has become. The seat switch 28 may be provided in the rear seat.

The control unit 29, as shown in FIGS.
It receives signals from the above-mentioned respective sensors 7, 13 to 15, 28, and receives all lock signals or unlock signals from the door key lock / unlock sensor 7 or the door lock / unlock sensor 13 and all the doors 2a to The lock / unlock control means 29a for simultaneously operating the lock mechanism 5 or the unlock mechanism 8 of 2d and the warning end signal from the warning end means 29e from when the warning start signal from the warning start means 29d described later is received. The alarm control means 29b for keeping the alarm state until the time of receiving the alarm, and the alarm device 30 is activated when the alarm signal from the alarm control means 29b and the door open signal (abnormality detection signal) from the door switch 14 etc. are received. The alarm activation means 29c is provided, and the warning control means 29b is brought into the warning state, and the warning start means 29d and the warning control means 29b are terminated from the warning state (system stop). The alert end means 29e and the alert control means 29b are temporarily released from the alert state, and at the end of the alert release time (predetermined time T ₁ or
At the time of elapse of T ₂ seconds), the alarm release returning means 29f for returning to the alarm state and the alarm stopping means 29g for ending the alarm by ending the operation by the alarm operating means 29c are configured.

In addition to the functions described above, the lock / unlock control means 29a activates the lock mechanism 5 to activate the lock mechanism 5 when the warning release time ends when all the doors 2a to 2d (open / close doors 2a to 2f) are closed. A function to lock the doors 2a to 2d all at once, and when a certain time T ₃ (= several seconds to ∞) has elapsed after unlocking with the lock knob 9 in the alert state, the lock mechanism 5 is operated and all the doors 2a to It has a function to lock 2d all at once.

The alarm activating means 29c is an alarm device 30 when the door is opened when the system stop condition is not satisfied or when the warning is released.
To issue an alarm to.

The alert starting means 29d is provided with doors 2a to 2d (or opening / closing doors 2a to 2d).
When all of f) are closed, the warning state is entered after the elapse of a predetermined time T ₁ .

The warning ending means 29e is for stopping the system, and the doors 2a to 2d (or the opening / closing doors 2a to 2d) during the warning release time.
It is activated by opening either of 2f) and the system is stopped without alarm activation. When the user sits on the seat and operates the door inside handle 4b to open the doors 2a to 2d, that is, when the doors 2a to 2d are opened from the inside of the vehicle, the alarm does not operate and the system stops.

The alarm release returning means 29f is in the alarm release state for a predetermined time T ₁ (= several seconds to ∞) from the time of unlocking with the key 24 in the closed state of all the doors 2a to 2d (or the opening / closing doors 2a to 2f). And all doors 2a-2d (or open / close doors 2a-2f)
T ₂ (= several seconds to ∞) after closing the last door of
During this time, the alert is released.

The alarm stopping means 29g stops the alarm when the doors 2a to 2d (opening and closing doors 2a to 2f) are unlocked by using the key 24 after the alarm is activated, and the alarm stop means 29g operates for a predetermined time T ₄ after the alarm is activated. The alarm is stopped even when (= several seconds to ∞) has passed.

The alarm device 30 includes a horn 30a and a headlamp 30b.
And an emergency flashing lamp (hazard lamp) 23c.

Furthermore, an indicator lamp 31 as an alarm release display means is provided, and the indicator lamp 31 is
In automatic transmission vehicles, it is also used for overdrive display.

Timer 32 includes a setting timer 32a for a predetermined time T ₁ in the warning initiation means 29d, disarming and setting timer 32b for a predetermined time T ₂ in the return means 29f, the predetermined time T ₃ in the locking and unlocking control means 29a and setting timer 32c, is composed of a setting timer 32d for a predetermined time T ₄ in the alarm stopping unit 29 g.

As shown in FIG. 2, the control unit 29 is connected so as to receive the detection signals from the above-mentioned sensors 7, 13 to 15, 28, and the time setting timer in each element of the control unit 29. 32a to 32d are connected so as to receive detection signals from the horn 30a, the headlamp 30b, and the hazard lamp 30c as the alarm device 30.
And an indicator lamp 31 indicating that the warning is being released and each solenoid of the motor 12 as the door lock / unlock actuator that constitutes the lock mechanism 5 and the unlock mechanism 8 are connected. It is configured to output a control signal to each external device.

Since the vehicle antitheft device as an embodiment of the present invention is constructed as described above, as shown in FIGS. 6 (a) and 6 (b), it is necessary to enter the warning state after initializing ( Step a1), doors 2a-2d (or doors 2a-2f)
When all the doors are closed (step a2) and the door key lock / unlock sensor 7 is locked by the key 24 (step a3), once the warning is released (step a4), the predetermined time T ₁ Only doors 2a ~ 2d (or open / close doors
2a to 2f) is maintained (step a5 to
8), all the doors 2a to 2d are locked (step a9), and the alarm state is set (step a10).

In FIGS. 6 (a) and 6 (b), the same symbols AA to DD indicate that they have a connection relationship.

In such a warning state, the next possible states are a normal riding state in which an occupant gets on from outside the vehicle, a regular getting off state in which the occupant gets off from inside the vehicle, and an illegal ride without using the key 24 from outside the vehicle. There are illegal riding conditions.

First of all, for the regular ride, use the key 24 to lock the door key
The unlock sensor 7 is set in the unlocked state. In this normal riding state, after detecting this unlocked state (step a11), the warning state is released (step a2
5) During the release of this alert for a predetermined time T ₂ (step a8,
If one of the doors 2a to 2d is opened in step 26) (step a6), the system stops (step a2).
Four).

In addition, the normal dismounting state is (step a1
8) When the unlock mechanism 8 is operated by the lock knob 9 to unlock (step a13) and the door inside handle 4b is opened (step a17), step a
The system stops from 18 through YES route to step a24.

Next, there is an illegal riding state in which an alarm is activated. In this illegal riding state, the doors 2a to 2d (or the opening / closing doors 2a to
2f) is destroyed and opened (step a12), or when the occupant gets off the vehicle, that is, when the seat switch 28 is off, the lock knob 9 is actuated to unlock the door outside handle. If the door 4a or the door inside handle 4b is operated to open, the alarm is activated from the step a15 through the YES route or the step a18 through the NO route to the block A, and the horn 30a sounds and the headlamp 30b does not light up. Flashing,
Further, the hazard lamp 30c blinks.

The alarm is an alarm until the alarm activation time T ₄ elapses.
Continued alarm activation at 30 (step A19～22), when the locking operation of the door key lock unlock sensor 7 even after the lapse and during alarm activation of the alarm operation time T _4, the alarm is stopped (step a23).

Further, in the warning state, the unlocked state to the (Step a13) the lock knob 9, the predetermined time T ₃ has elapsed without other operations (step a16), all the doors 2a~2
The d lock is performed (step a27), and the state returns to the alert state.

In addition, if you are in an alert state, you must be alert for a certain period of time.
Only T ₁ and T ₂ can be released (steps a4, 25), and in the alert state or non-alert state, the alert can be ended by stopping the system (step a24).

In addition, the indicator lamp 31 is lit during each warning release.

The front door handle switch on the front side
The functions of the door lock / unlock sensor 13 and the door key lock / unlock sensor 7 may be provided on the rear doors 2c and 2d side.

Further, a hidden switch may be provided on the non-exposed surface of the instrument panel or the like for stopping the alarm during the alarm operation.

Furthermore, the above-mentioned set times T _{1 to} T ₄ are, if necessary,
It can be set from a few seconds to infinity.

Further, in the present invention, the alarm is activated according to the open / closed state of the doors 2a to 2d, but the hood 2e, the rear lid 2f and the doors 2a to 2d are not activated.
The alarm may be activated according to the open / closed state of the open / close doors 2a to 2f composed of 2d.

[Effect of device]

As described in detail above, according to the vehicle antitheft device of the present invention, the following effects and advantages can be obtained.

(1) When the door is destroyed during the warning operation or when there is no passenger in the passenger compartment, the unlock mechanism is operated to unlock, and the door outside handle or the inside door handle that is the door opening operation unit is used. When the door is opened, an alarm is activated to prevent the vehicle from being stolen.

(2) In the non-alarm state, when all the doors are closed and locked by the key, the state becomes a warning state, and even when the vehicle is suddenly separated, the state can be swiftly changed to improve the usability. .

(3) When combined with one in which all doors are locked by the door key, the effect of (2) above is further enhanced.

(4) Transition from non-warning state to warning state only when receiving all-door closing signals from a plurality of door switches and a locking signal from a door key lock / unlock sensor that detects that the door is locked using a key By this, when the driver locks with the key, the driver is informed that he / she intends to be in the alert state, and the key is locked without using the key. At times, the alert actuation means can be informed that there is no intention to be alert.

In this way, the driver can easily select whether or not to put the vehicle in the alert state by locking it.For example, when it is better not to put the vehicle in the alert state such as when a passenger is left inside the vehicle, the door is not in the alert state. There is an advantage that it can be locked and the situation in which the alarm malfunctions can be positively avoided.

(5) When the unlock signal is output from the door key lock / unlock sensor, the alert state is released.
The door key lock / unlock sensor can be used to shift to the alarm state and release the alarm state, and the number of parts can be reduced and erroneous operation can be suppressed.

(6) It is easy to use because it does not require a special operation switch to put it in and out of the alert state, and it is possible to judge the start of the alert state and release the alert state. Therefore, it does not require a large number of sensors and is inexpensive.

[Brief description of drawings]

1 to 8 show an anti-theft device for a vehicle as an embodiment of the present invention, FIG. 1 is a block diagram including a block corresponding to the claim, FIG. 2 is a block diagram showing the entire structure, 3 is a perspective view of the door inside handle,
FIG. 4 is a cross-sectional view of a main part showing the door inside handle switch, FIG. 5 is a perspective view of the door key lock / unlock switch, and FIGS. 6 (a) and 6 (b) are flow charts showing the control procedure thereof. FIG. 7 is a perspective view of the automobile, and FIG. 8 is a schematic front view of the door. 1 …… Car, 2a, 2b …… Front door as opening / closing door, 2c, 2d …… Rear door as opening / closing door, 2e …… Hood as opening / closing door, 2f …… Rear lid as opening / closing door, 3
...... Latch mechanism, 4a …… Door outside handle as door opening operation member, 4b …… Door inside handle as door opening operation member, 5 …… Lock mechanism, 6
…… Door key cylinder, 6a …… Key hole, 6b …… Arm,
7 ... Door key lock / unlock sensor, 8 ... Unlock mechanism, 9 ... Lock knob, 10 ... Link, 11 ...
Idling mechanism, 12 …… Motor as actuator for door lock / unlock, 13 …… Door lock / unlock sensor, 14 …… Door switch, 15 …… Door inside handle switch as sensor for operating member, 16 …… Handle, 17 …… arm, 18 …… shaft, 19 …… rod, 20 ……
Magnetic material, 21 …… Permanent magnet, 22 …… U-shaped groove, 23 …… Reed switch, 24 …… Key, 25 …… Permanent magnet, 26 …… Lock reed switch, 27 …… Unlock reed switch , 28 ... Sheet switch, 29 ... Control unit, 29a ... Lock / unlock control means, 29b ... Warning control means, 29c ... Alarm activation means, 29d ... Warning start means, 29e ... Warning end means , 29f …… Means for resetting alert,
29g …… Alarm stop means, 30 …… Alarm, 30a …… Horn,
30b …… Head lamp, 30c …… Hazard lamp, 31 ……
Indicator lamps, 32, 32a-32d …… Timer.

Claims (1)

(57) [Scope of utility model registration request] 1. An engagement member (3) attached to each of a plurality of doors of a vehicle for maintaining a closed state of each door.
A door opening operation member (4a, 4b) for opening the engagement member, and a lock mechanism (5 for maintaining the engagement state of the engagement member regardless of the opening operation of the operation member. ) And an unlocking mechanism (8) for returning the operating state of the locking mechanism to an operable state by the operating member, and a plurality of door switches (15) for respectively detecting the open / closed states of the plurality of doors. ), A door key lock / unlock sensor (7) for detecting that at least one door of the plurality of doors is locked using a key, and the above-mentioned when the lock signal from the door key lock / unlock sensor is received. The door lock / unlock control means (29a) for activating the lock mechanism, the alarm device (30) for issuing an alarm, and the warning state and the non-warning state are switched to switch a plurality of the above-mentioned alarms during the warning operation. An alarm control means (29b) for actuating the alarm when a door open detection signal from the switch is received, and the door key lock / unlock sensor receives the all door close signals from the plurality of door switches. Only when a lock signal from the above is output, the warning control means is shifted from the non-warning state to the warning state, and when the unlock signal from the door key lock / unlock sensor is output, the warning state is released. An anti-theft device for a vehicle, characterized in that an operating means (29c) is provided.