JPH0978920A - Unlocking device of door for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dispense with the troublesome unlocking operation by detecting the key operation signal and the condition of use of a side brake and a seat belt to unlock only a door which is opened when an occupant gets on a vehicle. SOLUTION: The power door lock is unlocked only for a door which is opened when an occupant gets on a vehicle based on the detection signal from a key operation detecting means and the detection signal from a getting-off operation detecting means. The key operation detecting means detects the operation of an ignition switch 36, and also detects the drawing-out of the key in a key cylinder. A getting-in operation detecting means consists of a side brake switch 37 and a seat belt switch 38, and detects the unlocking condition to give the detection signal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door unlocking device for a vehicle such as an automobile equipped with an electric power door lock that electrically locks and unlocks a door lock.

[0002]

2. Description of the Related Art A vehicle equipped with a power door lock is equipped with a door lock knob for locking and unlocking the door lock on each door. There is an example in which a door lock switch for locking and unlocking is provided, and even if the door lock switch is not operated, the door locks of all doors are automatically locked when traveling at a predetermined speed or higher.

However, when getting off the vehicle, it is necessary to always operate the door lock knob or the door lock switch to unlock the door and then open the door to get off the vehicle, which requires an unlocking operation only for unlocking the door. Crap,
Sometimes the door lock knob couldn't be found right away and it took time.

Therefore, an example in which the door lock is automatically released without performing a special unlocking operation (Actual publication No. Sho 62-
No. 5487) has been proposed. The device disclosed in this publication automatically unlocks the door when a means for switching between the use state and the non-use state of the vehicle, such as a key switch, switches to the non-use state of the vehicle. It is a thing.

[0005]

In the above example, when the doors are automatically unlocked, only the doors of the driver's seat are unlocked or the doors of all the seats are unlocked. . If only the driver's seat door is to be unlocked, if other occupants besides the driver are on board,
Such an occupant has to perform an unlocking operation of the door lock as in the conventional case, which is troublesome.

Further, if the door locks of all the seats are automatically released, even if there is no other occupant other than the driver, there is no need to lock the doors of the seats other than the driver's seat. After locking and unlocking, even if the door is locked after that, the doors of seats other than the unlocked driver's seat also have to be locked, which causes unnecessary movement.

The present invention has been made in view of the above points,
The purpose is to provide a vehicle door lock unlocking device that can automatically unlock only the doors that need to be unlocked.

[0008]

In order to achieve the above object, the present invention relates to a vehicle equipped with a power door lock, and a storage means for storing a door that has been opened during boarding,
The door lock control is provided with a key operation detection means for detecting a key operation when getting off the vehicle, an operation detection means for getting off the vehicle for detecting other operation when getting off the vehicle, and a door lock control means for drivingly controlling the power door lock. The means unlocks the door lock of the door stored in the storage means when the detection signal of the key operation detection means and the detection signal of the operation detection means when getting off the vehicle are input. The device.

When the detection signal of the key operation detecting means and the detection signal of the operation detecting means at the time of getting off are input, the door lock control means unlocks the door lock of the door opened at the time of getting on, which was stored in the storage means. Since it is locked, only the door of the passenger seat that is likely to get off is unlocked, the driver and other passengers are released from the troublesome unlocking operation at the time of getting off, and at the same time, the door lock for the door that does not open and close when getting off It is possible to avoid unnecessary and unnecessary movements without unlocking.

2. The key operation detecting means according to claim 1, wherein an ignition off detecting means for detecting a key operation of an ignition switch from on to off or a key removal detecting means for detecting a key removed from a key cylinder is used as the key operation detecting means. With the vehicle door lock unlocking device, the opening operation was performed at the time of getting on when the getting-off operation detecting means detected the getting-off operation and the ignition switch was turned off or the key was removed from the key cylinder. Only the door lock of the door can be unlocked.

2. A method according to claim 1, wherein at least one of a side brake detecting means for detecting a state where a side brake is applied and a seat belt release detecting means for detecting a released state of the seat belt is used as the operation detecting means for getting off the vehicle. By using the vehicle door lock / unlock device according to claim 2, when there is a key operation at the time of getting off and a detection signal of both or one of the side brake detection means and the seat belt release detection means is input, at the time of boarding the vehicle. Only the door lock of the opened door can be unlocked.

Further, in a vehicle equipped with a power door lock, a key cylinder has two positions, a first position and a second position for removing a key. The door lock control means includes a key extraction position detection means for identifying and detecting the extraction, a dismounting operation detection means for detecting another operation at the time of dismounting, and a door lock control means for drivingly controlling the power door lock. When the key extraction position detection means detects the removal of the key from the first position on condition that the detection signal of the operation detecting means at the time of getting off the vehicle is input, the door lock of the driver's seat door is unlocked, A vehicle door lock unlocking device that unlocks the door locks of all seats when the key removal from the 2 position is detected. It was.

At the time of getting off, the driver can select the position of the key cylinder for removing the key, and if there is no other occupant, position the key at the first position and remove it.
Only the door lock of the driver's door can be unlocked under the condition that the detection signal of the operation detecting means at the time of getting off is input, and unnecessary unlocking / locking of the door lock can be avoided. If the driver disengages from the vehicle and puts the key in the second position and pulls it out, the door locks of all the doors can be unlocked and the passengers are annoyed to be unlocked under the condition that the detection signal from the operation detecting means at the time of getting off is input. It can be released from operation.

5. A method according to claim 4, wherein at least one of a side brake detecting means for detecting a state where a side brake is applied and a seat belt release detecting means for detecting a released state of the seat belt is used as the operation detecting means for getting off the vehicle. With this vehicle door lock unlocking device, a detection signal of either or both of the side brake detection means and the seat belt release detection means is input, and the key cylinder is selectively operated from the first position and the second position. If you remove the key,
Only the door lock of the required door is unlocked.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a view of the passenger compartment of the automobile 1 according to the present embodiment as viewed from the passenger seat side, and FIG. 2 is a view of the driver seat side.

An instrument panel 5 is located in front of the driver's seat 2 and the passenger's seat 3, meters 6 are arranged on the instrument panel 5 in front of the driver's seat 2, and a steering column 7 projects toward the front. And a handle 8 is provided at the end thereof. Steering column 7
The key cylinder 11 into which the key 10 is inserted on the side of the door side of
Are provided (see FIG. 2).

A center console 15 separates the driver's seat 2 and the passenger's seat 3, a select lever 16 is provided in the front part of the center console 15 so as to be able to be operated back and forth, and a side brake lever 17 is swingable behind the select lever 16. It is projected.

In the seatbelt device of the driver's seat 2, when the seatbelt is worn, a seatbelt 19 extending upward from a retractor incorporated below the center pillar 18 is inserted through a through anchor 20 provided on the center pillar 18. The driver's chest is crossed diagonally downward, and the tongue plate 22 latched by a buckle 21 projecting from the left end of the seat is used to press the waist of the driver to fix the end near the right end of the seat. The seat belts of the other seats have almost the same structure.

An inner handle 26 is provided on the interior side of the door 25 on the driver's seat 2 side, a door lock switch 27 is disposed near the inner handle 26, and a door lock knob is provided at the edge of the door glass. 28 are provided. The other three doors 30 are provided with an inner handle 31 and a door lock knob 32 but no door lock switch.

In the above various devices, each door 25, 30 is provided with a door opening / closing sensor 35 for detecting the opening / closing of the door, the key cylinder 11 is provided with an ignition switch 36, and the side brake lever 17 is provided. Is provided with a side brake switch 37 for detecting that the brake is applied, and the buckle 21 of the seat belt device is provided with a seat belt switch 38 for detecting whether or not the tongue plate 22 is latched. There is.

The ignition switch 36 is means for detecting a key operation performed by the driver when getting off the vehicle, and the side brake switch 37 and the seat belt switch 38 are means for detecting an operation performed by the driver when getting off the vehicle. Further, the driver side door 25, the passenger side door 30, the rear right side door 30, and the rear left side door 30 are each equipped with a door lock device,
Door lock motors 40, 41, 42, 43 for each door lock device
Is provided.

The door lock motors 40, 41, 42, 43
Is driven and controlled by a computer, and a schematic block diagram of a control system of this door lock device is shown in FIG. It is processed by the control unit 45 by the control system computer, and the door lock switch 27, each door opening / closing sensor 3
5, the detection signals from the ignition switch 36, the side brake switch 37, and the seat belt switch 38 are input and processed, and the control signals are transmitted to the door lock motors 4
It outputs to 0, 41, 42, 43 to control the door lock of each door independently.

The unlocking control procedure of the door lock by the control system is shown in the flow chart of FIG. 4, and will be described according to the flow chart. First, each door opening / closing sensor 35 detects the door opened when the vehicle 1 is boarded, and the storage means 46 of the control unit 45 stores which door was opened in step 1.

When the vehicle 1 is stopped after the vehicle has run, the key 10 is operated to determine whether or not the ignition switch 36 has been switched from on to off. In step 2, wait until there is a change and then switch. If there is, go to step 3. In step 3, the state of the side brake is judged by the detection signal of the side brake switch 37, and the side brake switch 37 is turned on to wait for the side brake to be applied before proceeding to the next step 4.

In step 4, it is judged from the seatbelt switch 38 whether or not the seatbelt is unfastened, the seatbelt switch 38 is turned off, and the process returns to step 3 until the seatbelt is unfastened. When the seat belt switch 38 is turned off, the routine proceeds to step 5, where only the door lock of the door stored in the storage means 46 is unlocked.

Therefore, when only the driver gets in the vehicle, the door 25 of the driver's seat is opened and closed at the time of getting in and stored in the storage means 46, so that only the door lock of the door 25 of the same driver is unlocked. The driver can open the door 25 and get off the vehicle without performing a troublesome unlocking operation. Other doors
It is not necessary to unlock the door lock, and the door lock is not unlocked, which is not necessary in the present embodiment, and remains in the locked state.

When an occupant other than the driver gets on the vehicle,
The occupant's opened door is remembered, and the door lock of the door is automatically unlocked when the occupant exits, so the occupant does not have to perform a troublesome unlocking operation. In this way, only the door lock of the door that must be opened and dismounted when getting off the vehicle is unlocked, and unnecessary unlocking / locking of the door lock is not required, which is economical.

Also, turn on the side brake switch 37,
If the side brake is not applied, the door lock will not be unlocked automatically, so it is possible to prevent forgetting to apply the side brake when parked. Note that it is also possible to unlock the door lock when one of the side brake switch 37 and the seatbelt switch 38 is turned off.

Further, as the operation at the time of getting off the vehicle, there is an operation of moving the select lever 16 to the parking position. Therefore, a sensor for detecting that the select lever 16 is at the parking position is provided, and the detection signal of the sensor is used as a condition. It may be possible to unlock the door lock.

In the above embodiment, the operation of switching the ignition switch 36 from ON to OFF is a condition for unlocking the door as a key operation at the time of getting off the vehicle, but the removal operation of the other keys from the key cylinder is for unlocking the door. It may be a condition, and in that case, a sensor for detecting that the key is inserted in the key cylinder is provided, and the removal of the key may be detected by the sensor.

Next, a second embodiment will be described with reference to FIGS. FIG. 5 is a key cylinder attached to the steering column 50 according to the present embodiment.
FIG. 52 is a front view of the key cylinder 52, in which an accessory position ACC, an on position ON, a start position START as a rotational position of the rotary cylindrical portion 53 in which the key 51 of the key cylinder 52 is inserted and rotated, and the key 51 that can be taken out and put in first. There is a position P1 and a second position P2.

FIG. 6 shows a schematic view of a cross section of the key cylinder 52. On the bottom surface 53a of the rotating cylindrical portion 53 into which the key 51 is inserted and rotates, an elongated rotary contact 54 is arranged in the radial direction, while the fixed side bottom surface 52a of the key cylinder 52 that opposes the bottom surface of the rotating cylindrical portion 53. As shown in FIG. 7, the ACC contact 55 and the ON contact are concentrically arranged at a predetermined arc length at a predetermined position.
56, START contact 57 is provided, and a first position P1 contact 58 and a second position P2 contact are provided at predetermined positions.
59 are provided.

When the key 51 is inserted and the rotary cylindrical portion 53 is rotated to each position, the rotary contact 54 comes into contact with the corresponding contact, and the first position P1 and the second position P2 are similarly the rotary contact 54. Corresponds to the first
The rotation position of the key 51 can be detected by contacting the position P1 contact 58 and the second position P2 contact 59, and the key 51 can be removed from the key cylinder 52 at the same position.

A micro switch 60 is installed near the key insertion opening of the key cylinder 52. When the key 51 is inserted into the key cylinder 52, the operating portion of the micro switch 60 is pressed to turn off, and when the key 51 is removed it turns on. The key insertion / removal can be detected.

A signal line extends from each of the contacts 54, 55, 56, 57, 58, 59 and the microswitch 60 and is connected to the controller unit 61. Each detection signal is input to the controller unit 61 and Similar to the above-described embodiment, the detection signal is input from the side brake switch 62 and the seat brake switch 63. The controller unit 61 is a door lock motor of the door lock device for each door.
Output control signal to 65.

The control procedure of the above control system will be described with reference to the flow chart of FIG. First, in step 11, it is judged whether or not the key 51 has been removed, based on whether or not the micro switch 60 has changed from off to on, and if there is this signal change, step 12 is proceeded to. In step 12, the state of the side brake is judged by the detection signal of the side brake switch 62, and the side brake switch 62 is turned on to wait for the side brake to be applied before proceeding to the next step 13.

At step 13, it is judged from the seatbelt switch 63 whether or not the seatbelt is unfastened, the seatbelt switch 63 is turned off, and the process returns to step 12 until the seatbelt is unfastened. If the seat belt switch 63 is in the off state, the process proceeds to step 14.

In step 14, it is judged whether the position of the rotary cylindrical portion 53, that is, the position when the key 51 is removed is the first position P1 or the second position P2. This means that the rotary contact 54 is the first position P1 contact. It can be judged whether it is in contact with 58 or the second position P2 contact 59. When the key 51 is removed from the first position P1, the process proceeds to step 15, and only the door lock of the driver's side door is unlocked. When the key 51 is removed from the second position P2, the process proceeds to step 16 and all The door lock of the door is unlocked.

Therefore, when the driver gets off the vehicle, if there is no other passenger, the key 51 is pulled out from the first position P1, and only the door lock of the door on the driver's side is unlocked, and the door lock of the driver is released. The release operation is not necessary, and the door locks of other doors are not unlocked as they are, so that unnecessary operation can be avoided. Further, when there is an occupant other than the driver, if the key 51 is pulled out from the second position P2, the door locks of all the doors are unlocked, and other occupants are also released from the troublesome door lock releasing operation.

Also in this embodiment, it is possible to unlock the door lock when one of the side brake switch 62 and the seatbelt switch 63 is turned on. As an alternative, it is possible to unlock the door lock by operating the select lever to the parking position.

[0041]

According to the present invention, when the detection signal of the key operation detecting means and the detection signal of the operation detecting means for getting off the vehicle are input, the door lock control means is opened at the time of getting on the vehicle stored in the storage means. Since the door lock of the door is unlocked, it is possible to unlock only the door of the passenger seat that will get off, freeing the driver and other passengers from the troublesome unlocking operation when getting off, and at the same time opening and closing when getting off. For doors that do not exist, the door lock is not unlocked, and unnecessary movements can be avoided.

Further, the key cylinder has first and second positions for removing the key, and the driver can select the position of the key cylinder for removing the key when getting off the vehicle, and when there is no other occupant. When the key is removed from the first position, the condition is that the detection signal of the operation detecting means at the time of getting off is input,
Only the door lock of the driver's door can be unlocked, and useless unlocking / locking of the door lock can be avoided. On the other hand, if there is an occupant other than the driver and the passenger gets off the vehicle, remove the key from the second position, The door locks of all the doors can be unlocked on condition that the detection signal of the operation detecting means at the time of getting off the vehicle is input, and the occupant can be released from the troublesome unlocking operation.

[Brief description of drawings]

FIG. 1 is a view of a passenger compartment of an automobile according to an embodiment of the present invention viewed from a passenger seat side.

FIG. 2 is a view of the interior of the vehicle as viewed from the driver's seat side.

FIG. 3 is a schematic block diagram of a control system of the door lock device according to the same embodiment.

FIG. 4 is a flowchart showing a control procedure in the control system.

FIG. 5 is a front view of a key cylinder attached to a steering column according to a second embodiment.

FIG. 6 is a schematic sectional view of a key cylinder and a schematic block diagram of a control system.

FIG. 7 is a sectional view taken along line VII-VII in FIG.

FIG. 8 is a flowchart showing a control procedure in the control system.

[Explanation of symbols]

1 ... Car, 2 ... Driver's seat, 3 ... Passenger seat, 5 ... Instrument panel, 6 ... Meters, 7 ... Steering column, 8 ... Steering wheel, 10 ... Key, 11 ... Key cylinder, 15
… Center console, 16… Select lever, 17… Side brake lever, 18… Center pillar, 19… Seat belt, 20… Through anchor, 21… Buckle, 22… Tongue plate, 25… Door, 26… Inner handle, 27… Door lock switch, 28 ... Door lock knob, 30 ... Door, 31 ...
Inner handle, 32 ... Door lock knob, 35 ... Door open / close sensor, 36 ... Ignition switch, 37 ... Side brake switch, 38 ... Seat belt switch, 40, 4
1, 42, 43 ... Door lock motor, 45 ... Control unit, 46 ... Storage section, 50 ... Steering column, 51 ... Key, 52 ... Key cylinder, 53 ... Rotating cylinder section, 54 ... Rotary contact, 55 ... ACC contact , 56 ... ON contact, 57 ... STA
RT contact, 58 ... First position P1 contact, 59 ... Second position P2 contact, 60 ... Micro switch, 61 ... Controller unit, 62 ... Side brake switch, 63 ... Seat brake switch, 65 ... Door lock motor.

Claims (5)

[Claims] 1. In a vehicle equipped with a power door lock, a storage means for storing a door opened when a passenger gets in, a key operation detecting means for detecting a key operation when getting off, and another operation when getting off And a door lock control means for driving and controlling the power door lock, wherein the door lock control means has a detection signal of the key operation detection means and a detection signal of the operation control means for getting off the vehicle. A door unlocking device for a vehicle, which unlocks the door lock of the door stored by the storage means when the user inputs "." 2. The key operation detecting means is an ignition off detecting means for detecting a key operation of an ignition switch from on to off or a key removal detecting means for detecting a key removed from a key cylinder. The lock unlocking device for a vehicle door according to claim 1. 3. At least one of a side brake detecting means for detecting a state where a side brake is applied and a seat belt release detecting means for detecting a released state of a seat belt is used as the operation detecting means for getting off the vehicle. The lock unlocking device for a vehicle door according to claim 1 or 2. 4. In a vehicle equipped with a power door lock, a key cylinder has two positions, a first position and a second position for removing a key, and the key is removed from the first position and the key from the second position. The door lock control means, which includes a key removal position detection means for identifying and detecting the removal of the door, an exit operation detection means for detecting another operation when the vehicle is exiting, and a door lock control means for drivingly controlling the power door lock, Is a condition that the detection signal of the operation detecting means at the time of getting off is input, when the key removal position detecting means detects removal of the key from the first position, unlocks the door lock of the driver's door, When the removal of the key from the second position is detected, the door locks of all the seats are unlocked. Click the unlocking device. 5. At least one of a side brake detecting means for detecting a state where a side brake is applied and a seat belt release detecting means for detecting a released state of a seat belt is used as the operation detecting means for getting off the vehicle. The unlocking device for a vehicle door according to claim 4, which is characterized in that.