JPH0667706B2 - Lighting device for vehicle door lock device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for a vehicle door locking device that locks and unlocks a vehicle door, and more particularly to lighting an inside handle.

[Conventional technology]

Generally, a vehicle door has a key cylinder that locks and unlocks the door from outside the vehicle, an outside handle that opens the door from outside the vehicle, and a lock knob that locks and unlocks the door from inside the vehicle. An inside handle that opens the door from the vehicle compartment is provided. Further, in a device provided with an electric door lock device as disclosed in JP-A-58-222268, a central lock switch and a central unlock switch for centrally locking and unlocking all doors of a vehicle are operated. It is installed inside the passenger compartment door.

Therefore, in a typical vehicle, when you want to open the door from the passenger compartment, first operate the lock knob or the central unlock switch to unlock the door and then operate the inside handle to open the door. Open.

[Problems to be solved by the invention]

As described above, in a general vehicle door lock device, it is necessary to manually operate the inside handle in order to open the door from the vehicle interior.

However, when the vehicle interior is dark at night, when operating the inside handle of the vehicle door owned by others, or when the inside handle of the vehicle door is due to an original design, etc. Since it is difficult to find the inside handle, there is a problem that it is confusing to open the door.

In view of the above problems, the present invention has been made for the purpose of making it easier to find the position of the inside handle.

[Means for solving problems]

Therefore, in order to achieve the above-mentioned object, the present invention provides an inside handle for opening the vehicle door from the vehicle interior, and an inside handle for locking the vehicle door to open the door by the inside handle. A door lock device for prohibiting and unlocking a door of a vehicle to permit opening of the door by the inside handle.

A technical feature that includes an unlock detection unit that detects unlocking of the door by the door lock device, and a lighting device that lights up when the unlock detection unit detects unlocking of the door and illuminates the vicinity of the inside handle. Adopt means.

[Action]

In the device of the present invention, unlocking means for unlocking the vehicle door, that is, unlocking, is detected by the unlock detecting means, and when this is detected, the lighting device is turned on to open the vehicle door. Illuminate the area around the inside handle.

As a result, when the door lock device is operated to be unlocked, the vicinity of the inside handle becomes bright, so that the position and shape of the inside handle can be easily known.

〔The invention's effect〕

The device of the present invention can easily know the position and shape of the inside handle of the door from the above-described configuration and operation.

Therefore, the position of the inside handle is not known, the shape and the operation method are not known, and the occupant can easily operate the inside handle without being confused about opening the door. .

〔Example〕

Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. The first embodiment is a four-door vehicle, and is used as a lighting device for a vehicle door lock device that centrally controls locking and unlocking of all doors of a vehicle by a lock switch and an unlock switch provided on a driver's door. The present invention is applied.

First, the configuration of the first embodiment will be described with reference to the drawings. FIG. 1 is a perspective view of a vehicle door of the first embodiment. The first embodiment is a four-door vehicle, and the door shown in FIG. 1 has four doors.
First, it is supported by a vehicle frame (not shown) via a hinge.

An inside handle portion 2 and a lock knob 4 are provided on the indoor side of the door 1, and a centralized lock switch portion 3 is provided only on the door of the driver's seat as shown in FIG. As shown in FIG. 2, the inside handle portion 2 is provided with an inside handle 21 and a light emitting portion 22 provided near the inside handle 21. The door 1 is opened by pulling the inside handle 21. The centralized lock switch unit 3 is provided with a lock switch 3a and an unlock switch 3b. The lock knob 4 is in an unlocked state if it is protruding, and is in a locked state if it is stored. FIG. 3 shows a circuit diagram of the first embodiment.

Both the lock switch 3a and the unlock switch 3b are input to the door lock control circuit 5. This door lock control circuit 5 is a generally known one, and has a lock timer.
51, unlock timer 52, and actuator drive circuit
It consists of 53 etc., drives the actuator 54, locks,
Switch the unlock. For example, when the lock switch 3a is closed, the lock timer 51 operates and the actuator drive circuit 53 drives the actuator 54 to the lock side. When the unlock switch 3b is closed, the unlock timer 52 operates and the actuator drive circuit 53 drives the actuator 54 to the unlock side.

The signal from the unlock switch 3b is input to the lamp timer 6, and the lamp lighting circuit 7 energizes the lamp 8 for the set time of the lamp timer 6 by the output of the lamp timer 6. The lamp lighting circuit 7 is composed of, for example, a switching element such as a transistor. The lamp 8 is built in the light emitting portion 22 of the inside handle portion 2 of each door of the vehicle, and is provided for each door because the first embodiment is a four-door vehicle.

Next, the operation of the first embodiment will be described with reference to the drawings.

When the driver closes (ON) the unlock switch 3b of the door of the driver's seat, this becomes a low level signal, and the door lock control circuit 5 operates the actuator 54 to operate all the doors of the vehicle, that is, the four doors. Unlocked. At the same time, the lamp timer 6 outputs a high level signal for a preset time, for example, about 10 seconds. The lamp lighting circuit 7 receives the high level signal and energizes the lamp 8. The time when this lamp 8 is lit,
That is, during the set time of the lamp timer 6, the light emitting portion 22 emits light so that the position of the inside handle portion 2 can be easily understood.

As is apparent from the configuration and operation of the first embodiment described above, when the unlock switch 3b is operated, the first embodiment emits light from the inside handle portion 2 of all doors.
Since 22 emits light, anyone inside the vehicle can easily find the inside handle 21. Therefore, when a passenger who rides the vehicle for the first time is placed in the passenger seat or the rear seat, it is very convenient because it is possible to prevent the person from being confused about opening the door when getting off the vehicle. Even more convenient at night.

A second embodiment of the present invention will be described with reference to the drawings. FIG. 4 is a circuit diagram showing a main part of the second embodiment.

The configuration of the second embodiment is almost the same as that of the first embodiment described above, except that the lamp timer 9 and the input to the lamp timer 9 are the outputs of the unlock timer 52 of the door lock control circuit 5. different. When the ramp timer 9 receives the high level output of the unlock timer 52, it outputs the high level for a set time. The operation will be briefly described based on the above configuration. When unlock switch 3b turns ON, the timer
The input of 52 becomes low level, and the timer 52 outputs high level for the set time, and unlocks the door. The ramp timer 9 outputs a high level for a set time after the unlock timer 52 rises. Then, the lamp 8 of each door is turned on for the set time of the lamp timer 9.

While the lamp timer 6 of the first embodiment directly inputs the signal from the unlock switch 3b, the lamp timer 9 inputs the signal of the unlock timer 52 in the second embodiment. . Therefore, in the second embodiment, the lamp 8 can be turned on even when the door is unlocked by another operation switch other than the unlock switch 3b.

A third embodiment of the present invention will be described with reference to the drawings. FIG. 5 is a circuit diagram of the third embodiment. Lighting switch
10 is a switch for manually turning on the headlights or the like, or a switch for automatically detecting that it is at night, etc., and closes its contact by turning on the headlamps, lighting the small lamps, etc. Output a signal.

The unlock detection switch 11 is a switch that interlocks with a lock mechanism 12 that mechanically locks and unlocks the inside handle portion 2 by an operation, and is open (OF
F), it is turned on in the unlocked state and outputs a low level.

The outputs of the writing switch 10 and the unlock detection switch 11 are input to the AND circuit 13 according to the ethics and the ethics, respectively. The output of the AND circuit 13 is input to the lamp timer 9, and this output is input to the lamp lighting circuit 7. The lamp lighting circuit 7 controls energization of the lamp 8.

The operation of the third embodiment will be described with reference to FIG. When the lighting switch 10 in FIG. 5 is ON and the unlock detection switch 11 is ON, the input of the AND circuit 13 is
The output becomes high level because it becomes high level and low level, respectively. In other words, the output of the AND circuit 13 is at a high level when the light is on at night and is unlocked. The lamp timer 9 outputs a high level for a set time from the rise of the output of the AND circuit 13, and the lamp lighting circuit 7 energizes the lamp 8 for this set time. Therefore, the light emitting portion 22 of the inside handle portion 2
Lights for the set time.

According to the third embodiment, the light emitting portion 22 of the inside handle portion 2 emits light only at night when a light or a small lamp needs to be turned on, and is emitted only when the vehicle interior is dark. it can. For this reason, it is possible to eliminate unnecessary lighting when it is easy to find the inside handle as in the daytime.

Further, since the unlocking switch 11 which is interlocked with the mechanical lock mechanism 12 detects the unlocking of the door, the unlocking by the door lock control circuit 5 as in the first and second embodiments described above. In addition to the lock, unlocking by the lock knob 4 can be detected.

In each of the above-described embodiments, the light emitting portion 22 is provided on the inside handle portion 2 to notify the position of the inside handle portion 2. However, in this lighting device, the entire inside handle portion 2 emits light. Various examples such as a device for turning on a room lamp and a device for turning on a room lamp in the vehicle may be used.

Further, if the present invention is implemented by a microcomputer, finer control becomes possible, and a more convenient door lock device can be provided. Further, in all of the above-described embodiments, the lamp 8 is used to turn off the lamp 8 after a predetermined time. However, if the lamp 8 is turned off by detecting the operation of the inside handle 2, the opening of the door, etc., useless illumination is prevented. be able to.

[Brief description of drawings]

FIG. 1 is a perspective view showing a door of a driver's seat of a vehicle to which the present invention is applied, FIG. 2 is a plan view of an inside handle portion of FIG. 1, and FIG. 3 is a circuit showing a first embodiment of the present invention. FIG. 4 is a circuit diagram showing a second embodiment of the present invention, and FIG. 5 is a circuit diagram showing a third embodiment of the present invention. 1 …… door, 2 …… inside handle part, 21 …… inside handle, 22 …… light emitting part, 3 …… central lock switch part, 3a …… lock switch, 3b …… unlock switch, 4
...... Lock knob, 5 ...... Door lock control circuit, 6 ...... Lamp timer, 7 ...... Lamp lighting circuit, 8 ...... Lamp.

Claims (1)

[Claims] 1. An inside handle for opening a vehicle door from the inside of the vehicle compartment, and a door of the vehicle locked to prevent the door from being opened by the inside handle to unlock the vehicle door. And a door lock device that permits the door to be opened by the inside handle. An unlocking detecting unit that detects unlocking of the door by the door locking device, and an illumination device that lights up when the unlocking detecting unit detects the unlocking of the door and illuminates the vicinity of the inside handle. Lighting device for vehicle door lock device.