JPH06288133A - Integrated door lock device for vehicle - Google Patents

Abstract

PURPOSE:To secure the convenience when occupants alight or a loaded cargo is unloaded while the rescue performance in emergency is taken into serious consideration. CONSTITUTION:When the vehicle speed becomes 0km/h, a vehicle speed sensor 9 is set to the low-level state. When a driver sets a parking brake to the brake state, a PKB switch 10 is turned on. A travel/stop judging circuit 7 outputs a stop signal to a door lock actuator control circuit 3 on condition that the vehicle speed sensor 9 is set to the low-level state and the PKB switch 10 is turned on. When the driver opens a driver's seat door 8, a door switch 6 is turned on, and the door lock actuator control circuit 3 feeds a current in the unlocking direction on condition that the stop signal is outputted and the door switch 6 is turned on. Door lock actuators 12, 14, 16, 18 for doors other than the driver's seat door 8 are unlocked.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle central door lock device for automatically locking and unlocking doors other than a driver's door.

[0002]

2. Description of the Related Art As a conventional vehicle centralized door lock device, a device shown in FIG.
35869 gazette). That is, a lock switch 32 that interlocks with the inside lock knob 31 is arranged on the driver's seat door 30, and the lock switch 32 includes:
A lock contact 32L and an unlock contact 32U are provided. The contacts 32L and 32U are connected to the grounded first to third door lock actuators 33 to 35, respectively.
To 35 are arranged on doors other than the passenger seat door 30.

In this structure, when the inside lock knob 31 is pushed to the lock position, the driver's seat door 30 is locked, and the lock switch 32 is brought into contact with the lock contact 32L in conjunction with the lock. Then,
All the first to third door lock actuators 33 to 35 are operated in the lock direction, and not only the driver's seat door but also other doors are locked.

When the inside lock knob 31 is pulled up to the unlock position, the driver's door 30 is unlocked and, in conjunction with this, the lock switch 32.
Comes into contact with the unlocking contact 32U. Then, first to
All the third door lock actuators 33 to 35 operate in the unlocking direction, and not only the driver's seat door 30 but also the other doors are unlocked. Therefore, the other doors are interlocked with the locking and unlocking of the driver's seat door. Can be locked and unlocked.

In addition, today, when the vehicle speed exceeds a predetermined value (for example, 15 km / h), the inside lock knob 31 is left in the unlocked position, and the first to the third parts are left.
A vehicle centralized door lock device that locks the door lock actuators 33 to 35 to automatically lock the doors other than the passenger door 30 has also appeared. Such a door lock device attaches importance to rescue performance in case of emergency, and locks other doors when the vehicle speed exceeds a predetermined speed, but leaves only the driver's seat door 30 in an unlocked state. This ensures the ease of intrusion into the vehicle compartment from the outside in an emergency.

[0006]

When the vehicle speed exceeds the predetermined value, the first to third door lock actuators 33 to 35 are locked while the inside lock knob 31 is left in the unlock position. When the doors other than the driver's seat door 30 are automatically locked, the driver can open the driver's seat door and exit the vehicle without operating the inside lock knob 31 when getting off the vehicle.
At this time, the first to third door lock actuators 3
Since Nos. 3 to 35 are left in the locked state, each passenger has to unlock the corresponding door, and the passenger cannot get off the vehicle quickly.

In addition, as described above, the driver gets off the vehicle,
When opening the back door and unloading the in-car luggage,
The door lock actuator provided on the back door is left in a locked state. Therefore, it is necessary to insert the key into the key cylinder, perform the unlocking operation, and unlock the back door, and it is not possible to quickly unload the luggage.

The present invention has been made in view of such conventional problems, and emphasizes the rescue performance in the event of an emergency, while improving the convenience of passengers when getting off or unloading the loaded vehicle. It is an object of the present invention to provide a secured centralized door lock device for a vehicle.

[0009]

In order to solve the above-mentioned problems, the present invention provides a vehicle centralized door lock device that locks all the doors other than the driver's door in a collective manner. Stop detection means, opening detection means for detecting the opening of the passenger seat door, and unlocking of the other door when both the vehicle stop and the driver seat door are detected by these means. And locking means.

[0010]

In the above structure, when the vehicle stops, the stop of the vehicle is detected by the stop detecting means. Further, after the vehicle is stopped, when the driver opens the driver's seat door to get off, the opening detection means detects the opening of the driver's seat door. When both of the detection means detect the stop of the vehicle and the opening of the driver's seat door, the unlocking means operates to unlock the other doors. Therefore, after the vehicle is stopped and the passenger seat door is opened, the passenger seat door and the back door can be opened without an unlocking operation.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. That is, as shown in FIG. 1, the battery 1 having the negative electrode body-grounded is similarly body-grounded and connected to the door lock actuator control circuit 3 provided in the control unit 3. An indoor centralized door lock switch 4, a driver's seat door lock state detection switch 5, a door switch 6, and a running / stopping determination circuit 7 are connected to the input port of the door lock actuator control circuit 3.

The indoor centralized door lock switch 4 has a lock contact 4L and an unlock contact 4U, and is arranged near the driver's seat in the vehicle compartment. The driver's seat door lock state detection switch 5 is a switch that is turned off when the door lock arranged on the driver seat door 8 is in the locked state and turned on when it is in the unlocked state. Further, the door switch 6 is a switch that is turned off when the driver's seat door 8 is closed and turned on when the driver's door 8 is opened.

The running / stopping discrimination circuit 7 is provided in the control unit 2 and is connected with a vehicle speed sensor 9 and a PKB switch 10. The vehicle speed sensor 9 is a sensor that becomes high level when the vehicle speed of the vehicle becomes 15 km / h or more, for example, and becomes low level when the vehicle speed becomes 0 km / h and the vehicle stops. The PKB switch 10 is a switch that is turned on when the parking brake lever is pulled and the parking brake is in the braking state, and is turned off when the parking brake lever is returned and the parking brake is in the non-braking state. And
When the vehicle speed sensor 9 is at a low level and the PKB switch 10 is on, the running / stopping discrimination circuit 7 discriminates that the vehicle is stopped and outputs a stop signal to the door lock actuator control circuit 3. In other cases, it is determined that the vehicle is traveling, and a traveling signal indicating traveling is output to the door lock actuator control circuit 3.

On the other hand, at the output port of the door lock actuator control circuit 3, a passenger door lock actuator 12 for locking and unlocking the passenger door 11, a rear right door lock actuator 14 for locking and unlocking the rear right door 13, and a rear left door are provided. A rear left door lock actuator 16 that locks and unlocks 15 and a back door lock actuator 18 that locks and unlocks the back door 17 are connected. And, the door lock actuator control circuit 3 is
In response to the occurrence of, the current from the battery 1 is supplied in the lock direction or the unlock direction for a predetermined time. (1) Locking direction The centralized door lock switch 4 is the lock contact point 4L
When the driver's door lock status detection switch is turned off and the travel signal is input from the travel / stop discrimination circuit. (2) Unlocking direction The indoor centralized door lock switch 4 contacts the unlocking contact 4U, the driver's seat door lock state detection switch is turned on, and thirdly, the stop signal is input from the running / stopping discrimination circuit 7 and the door When switch 6 is on.

Incidentally, each of the door lock actuators 1
2, 14, 16 and 18 are locked when current is supplied in the lock direction and unlocked when current is supplied in the unlock direction.

Next, the operation of this embodiment having the above configuration will be described with reference to the time chart shown in FIG. That is, after closing the driver's seat door 8 (door switch 6: off) and setting the parking brake in the non-braking state (PK
B switch 10: off), when the door lock device provided on the driver's seat door 8 is locked when starting,
The driver's seat door 8 is locked and the driver's seat door lock state detection switch 5 is turned off. Then, the door lock actuator control circuit 3 supplies a current in the lock direction in response to this. Therefore, the passenger seats other than the driver door 8, the rear right, left, and back door door lock actuators 12, 14, 16, and 18 are locked, and the passenger seat,
The rear right, left and back doors 11, 13, 15, 17 are also locked.

When the door lock device provided on the driver's door 8 is unlocked, the driver's door 8 is unlocked and the driver's door lock state detection switch 5 is turned on. Then, the door lock actuator control circuit 3 supplies a current in the unlock direction in response to this. Therefore, each door lock actuator 1 for the passenger seat other than the driver door 8, the rear right, the left, and the back door 1
2, 14, 16, 18 are unlocked, and passenger seats, rear right, left, and back doors 11, 13, 15, 17 are also unlocked.

Further, after the driver's door 8 is closed (door switch 6: off) and the parking brake is brought into a non-braking state (PKB switch 10: off), the door lock device provided on the driver's door 8 is closed. When the vehicle starts moving with the vehicle unlocked and the vehicle speed exceeds 15 km / h, the vehicle speed sensor 9
Becomes a high level state. Then, the running / stopping determination circuit 7 outputs a running signal, and the door lock actuator control circuit 3 supplies current in the locking direction in response to this. Therefore, the passenger seats other than the driver's door 8, the rear right, the left,
Back door door lock actuators 12, 14,
16, 18 are locked, and the passenger seat, rear right, left and back doors 11, 13, 15, 17 are locked. At this time, since the driver's seat door 8 is in the unlocked state, the driver's seat door 8 can be opened from the outside to easily enter the vehicle interior in an emergency.

When the vehicle is stopped when the vehicle reaches the destination, the vehicle speed becomes 0 km / h, and the vehicle speed sensor 9 becomes low level. Next, when the driver pulls the parking brake lever to put the parking brake in a braking state, the PKB switch 10 is turned on. Then, the traveling / vehicle stop determination circuit 7 sets the vehicle speed sensor 9 in the low level state and the PKB switch 10 to the ON state.
A stop signal is output to the door lock actuator control circuit 3.

Further, when the driver opens the driver's seat door 8, the door switch 6 is turned on, and the door lock actuator control circuit 3 makes a current in the unlock direction on condition that the vehicle stop signal and the door switch 6 are turned on. To supply. Therefore, the door lock actuators other than the driver's door, that is, the door lock actuators 12, 14, 16, 18 of the passenger seat, rear right, left, and back doors are unlocked, and the passenger seat, rear right, left, and back doors are unlocked. Doors 11,1
3,15,17 are unlocked.

Therefore, even when the vehicle is running with the driver's door 8 unlocked and the driver's door 8 is opened after the vehicle is stopped without the driver performing the unlocking operation, the passenger must be the corresponding assistant. The seats, the right and left rear doors 11, 13 and 15 can be opened without unlocking the doors, so that the passenger can get off the vehicle quickly. Further, when the driver opens the back door 17 and unloads the vehicle-mounted luggage after getting off the vehicle, the back door lock actuator 18 provided on the back door 17 is already unlocked when the driver's seat door 8 is opened. Has become. Therefore,
Without inserting the key into the key cylinder and unlocking,
The back door 17 can be opened and the luggage can be quickly unloaded.

After unloading, the driver's door 8
When the door lock device provided in the vehicle is locked, the driver's seat door 8 is locked and the driver's seat door lock state detection switch 5 is turned off. Then, the door lock actuator control circuit 3 supplies a current in the lock direction in response to this. Therefore, the door lock actuators 12, 14, 16, 18 for the passenger seat, rear right, left, and back doors other than the driver's door 8 are locked, and the passenger seat, rear right, left, and back doors 11, 13, 15,17
Is also locked.

[0023]

As described above, the present invention is a centralized door lock device for a vehicle, which locks all the doors other than the driver's seat door, under the condition that the vehicle is stopped and the passenger seat door is opened. , I tried to unlock the other door. Therefore, even when the vehicle is running with the driver's seat door unlocked and the driver opens the driver's seat door without performing the unlocking operation after the vehicle is stopped, the passenger can unlock each of the other corresponding doors. It can be opened without operating the lock, which allows the passenger to get off the vehicle quickly. In addition, when the driver opens the back door and unloads the onboard luggage after the driver dismounts, the back door is already unlocked. Can be taken down. Therefore, it becomes possible to secure the convenience of dismounting passengers and unloading luggage mounted on the passenger seat while unlocking the passenger seat door while driving and emphasizing rescue performance in case of emergency. .

[Brief description of drawings]

FIG. 1 is a circuit diagram showing an embodiment of the present invention.

FIG. 2 is a time chart of the same embodiment.

FIG. 3 is a circuit diagram showing a conventional vehicle centralized door lock device.

[Explanation of symbols]

 3 Door lock actuator control circuit 5 Driver door lock status detection switch 6 Door switch 7 Running / stopping discrimination circuit 8 Driver seat door 9 Vehicle speed sensor 10 PKB switch 11 Passenger seat door 12 Passenger seat door lock actuator 13 Rear right door 14 Rear right Door Door lock actuator 15 Rear left door 16 Rear left door lock actuator 17 Back door 18 Back door lock actuator

Claims (1)

[Claims] 1. A centralized door lock device for a vehicle, which locks all doors other than a driver's seat door in a lump, and a stop detecting means for detecting a stop of a vehicle, and an open detection for detecting an opening of the passenger seat door. A centralized door lock device for a vehicle, comprising: a means and an unlocking means for unlocking the other door when the stop of the vehicle and the opening of the driver's seat door are detected by both means.