JPH10138830A - Lighting controller for vehicle interior light - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting controller for a vehicle interior light which automatically puts an interior light on/out according to stop and starring of the vehicle. SOLUTION: When a stop state judgment part 3 detects that an ignition switch is turned on, a shift position is in a neutral position or a parking position, and a parking brake is applied, it feeds a stop state detection output 3d to a lighting control part 4. When a map mode is set by a lighting mode set part 2, the lighting control part 4 puts an interior light 5 on, while the stop state detection output 3d is fed, namely, the vehicle is in a stop state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting control device for a vehicle interior light, and more particularly, to a map mode for automatically turning on an interior light when a vehicle is stopped so that a map or the like can be viewed. The present invention relates to a lighting control device for a vehicle interior light.

[0002]

2. Description of the Related Art There is known a door mode in which an interior light is turned on and off in conjunction with opening and closing of a door of a vehicle.
FIG. 4 is a configuration diagram of a conventional lighting control device having a door mode, and FIG. 5 is a circuit diagram of the conventional lighting control device. The conventional lighting control device 101 includes a lighting mode changeover switch 1
When 02 is set to the door mode position, the turning on / off of an interior light 104 such as an interior light is controlled by a door switch 103 linked to opening and closing of the door.

[0005] As shown in FIG. 5, when the door is opened with the lighting mode changeover switch 102 set to the door mode position, the door switch 103 is turned on, the battery power is supplied to the interior light 104, and the interior light is turned on. 104 lights up. When the door is closed, the door switch 105 is turned off, and the interior light 104 is turned off.

[0004] When the door mode is used, it is possible to ride at night.
It is not necessary to turn on / off the interior lights when getting off, which is convenient.

[0005]

However, when a map or the like is to be viewed at night or a cassette tape or a compact disc is to be taken in and out at night, the vehicle is stopped and the interior lights are turned on to check the map, for example. Therefore, the vehicle is started after the interior lights are turned off. In such a case, the interior light switch must be turned on and off every time the vehicle stops and starts, and the operation is troublesome.

The present invention has been made to solve such a problem, and provides a lighting control device for a vehicle interior light that can automatically turn on and off the interior light according to the stop / start of the vehicle. The purpose is to:

[0007]

In order to solve the above-mentioned problems, a lighting control apparatus for a vehicle interior light according to the present invention includes a stop state determining section for determining that a vehicle is in a stop state, A lighting control unit that lights the interior light only during the vehicle stop state based on the determination output. For example, the stop state determination unit determines that the vehicle is in the stop state based on that the ignition switch is in the on state, the shift position is in the neutral or parking position, and that the parking brake is in the operating state. to decide.

The lighting control device for a vehicle interior light according to the present invention can automatically turn on the interior light only while the vehicle is stopped. Therefore, even when it is necessary to start and stop while looking at a map or searching for a music tape in the car at night, the operation of turning on / off the interior light is released.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a block diagram of a lighting control device for a vehicle interior light according to the present invention. The lighting control device 1 for a vehicle interior light according to the present invention includes a lighting mode setting unit 2, a stop state determination unit 3, a lighting control unit 4, and an interior light 5.

The lighting mode setting section 2 is configured to be able to select and set any one of four types of modes: on / door / off / map. The lighting mode setting unit 2 supplies the lighting control unit 4 with mode information 2a indicating the set lighting mode.

The lighting mode setting section 2 can be constituted by using a slide switch or the like that switches between four stages. The lighting mode setting unit 2 may include four push button switches and a switch press detection circuit, and may output the mode information 2a corresponding to the pressed push button switch.

The stop state determining unit 3 determines that the ignition switch is in the ON state based on the ignition switch information 3a, the shift position is in the neutral position or the parking position based on the shift position information 3b, and the parking brake information 3c When it is detected that the vehicle is in the state where the parking brake is applied, it is determined that the vehicle is in the stop state, and the stop state detection output 3d is supplied to the lighting control unit 4.

The stop state judging section 3 may judge that the vehicle is in a stop state based on a vehicle speed detection signal from a vehicle speed sensor, and generate a stop state detection output 3d.

The lighting control unit 4 controls the lighting of the room light 5 according to the lighting mode set by the lighting mode setting unit 2. When the ON mode is set, the lighting control unit 4
The lighting command 4a is output unconditionally, and the interior light 5 is turned on.

When the door mode is set, the lighting control section 4 turns on the interior light 5 based on the door opening / closing information 4b when the door is open, and turns on the interior light 5 when the door is closed. Turn off the light.

When the off mode is set, the lighting control section 4 turns off the interior light 5 unconditionally.

When the map mode is set, the lighting control unit 4 turns on the interior light 5 only while the stop state detection output 3d is being supplied from the stop state determination unit 3, that is, only while the vehicle is in the stop state. Turn on.

With the above configuration, the lighting control device 1 according to the present invention, when the map mode is set by the lighting mode setting section 2, the interior light 5 is automatically turned on while the vehicle is stopped, and the vehicle is started. Then, the interior light 5 is automatically turned off. Therefore, when starting or stopping while looking at a map or searching for a music tape in the car at night, set the map mode to turn off the interior lights at each start and stop.
It is released from the troublesome operation of lighting.

Further, a lighting control device 1 according to the present invention.
Is a configuration in which the interior light 5 is turned off when the ignition switch is turned off.
Do not forget to erase. Therefore, the driver or the like can leave the vehicle with the map mode set.

FIG. 2 is a block diagram showing a specific example of a lighting control device for a vehicle interior light according to the present invention. The lighting control device 10 for a vehicle interior light shown in FIG. 2 uses an interior light as the interior light 5. Lighting mode changeover switch 1 as a lighting mode setting unit in storage case 11 for interior light 5
2 are provided. The lighting control unit 4 (not shown) is stored in a storage case 11 of the interior light 5.

The positive power of the battery 13 is supplied to a positive power terminal 14. The negative power of the battery 13 is supplied to the negative power terminal 15. Ignition switch 16
The on / off state of the ignition switch 16 is detected by supplying the positive power supply of the battery 13 to the ignition switch information input terminal 17 via the.

The shift position information input terminal 18 is connected to a neutral terminal of the shift position switch 20 via a backflow preventing diode 19N, and is connected to a parking terminal of the shift position switch 20 via a backflow preventing diode 19P. I have. When the shift position is in the neutral position or the parking position, the shift position information input terminal 18 becomes L level, thereby detecting that the shift position is in the neutral position or the parking position.

The parking brake information input terminal 21 is
It is connected to a parking brake switch 23 via a backflow prevention diode 22. When the parking brake information input terminal 21 becomes L level, the state where the parking brake is applied is detected. A parking brake lamp 24 indicates that the parking brake is applied.

The door opening / closing information input terminal 25 is connected to a door switch 26. The door switch 26 is turned on when the vehicle door is open. When the door opening / closing information input terminal 25 goes low, it is possible to detect that the door is open.

FIG. 3 is a flowchart showing the operation of the lighting control section. FIG. 3 shows an operation when the map mode or the door mode is set. Lighting control unit 4
Checks whether or not the map mode is set by the lighting mode setting unit 2 (step S1). When the map mode is set, the lighting control unit 4 determines that the ignition switch is on (step S
2) the shift position is in the neutral (N) or parking (P) position (step S3);
That the parking brake is in operation (step S
4), the interior light 5 is turned on (step S).
5).

When the map mode is set, the lighting control unit 4 determines that all of the determinations in steps S2 to S4 are YE
Only when S is reached, the interior light 5 is turned on, and otherwise, the interior light 5 is turned off (step S6).

If the map mode is not set, the lighting control section 4 checks whether or not the door mode is set (step S7). If the door mode is set, the lighting control unit 4 checks whether the door is open or closed (step S8).
Is turned on (step S5), and if the door is closed, the interior light 5 is turned off (step S6).

[0028]

As described above, the lighting control device for a vehicle interior light according to the present invention is configured so that the interior light can be automatically turned on only while the vehicle is stopped.
Even if you have to start and stop while looking at a map or searching for music tapes at night, you will be free from turning on and off the interior lights.

[Brief description of the drawings]

FIG. 1 is a simplified block diagram of a lighting control device for a vehicle interior light according to the present invention.

FIG. 2 is a simplified configuration diagram showing a specific example of a lighting control device for a vehicle interior light according to the present invention;

FIG. 3 is a flowchart illustrating an operation of a lighting control unit.

FIG. 4 is a simplified configuration diagram of a conventional lighting control device.

FIG. 5 is a simplified circuit diagram of a conventional lighting control device.

[Explanation of symbols]

1, 10: lighting control device, 2: lighting mode setting unit, 3:
Stop state determining unit, 4 ... lighting control unit, 5 ... indoor light, 12 ...
Lighting mode switch, 16: ignition switch, 20: shift position switch, 23: parking brake switch, 26: door switch.

Claims (2)

[Claims] 1. A stop state determining unit that determines that a vehicle is in a stop state, and a lighting control unit that turns on an interior light only during a vehicle stop state based on a determination output of the stop state determination unit. Lighting control device for vehicle interior lights. 2. The vehicle according to claim 1, wherein the stop state determination unit determines that the vehicle is in a stop state based on an ignition switch being on, a shift position being in a neutral or parking position, and a parking brake being being operated. The lighting control device for a vehicle interior light according to claim 1, wherein it is determined that the vehicle interior light is present.