JPS6088652A - Automotive lighting control device - Google Patents

Abstract

PURPOSE:To make a front visual field at the broken side so as to be secured in sight, by installing a breakage detecting device finding the breaking of a light source filament for low beam use and a selecting device selecting a cornering lamp to a state of being lighted by compulsion. CONSTITUTION:A relay 14 consists of a relay coil 14a for breakage detection in a light source filament 36a used for a law beam at the right and a normally- open contact 14b to select a cornering lamp 40a from the non-lighting state to the lighting state. When the light source filament 36a used for a low beam at the right is broken down, a continuous rating current to be fed to the relay coil 14a is cut off and simultaneously with this breakage, the contact 14b comes into a state of being closed. Therefore, conduction is forcedly carried out for the cornering lamp 40a at the right, thus the lamp 40a is lighted.

Description

Detailed Description of the Invention (a) Technical Field of the Invention The present invention relates to a headlamp provided on one side of a vehicle body Ai, and a cornering lamp provided in a corner portion of the vehicle body adjacent to the outside of the headlight. The present invention relates to a device for controlling the lighting of an automobile lamp comprising:

(b) Background of the technology In general, the lights placed on the front of a car include headlights to ensure forward visibility at night, width lights to check the width of the vehicle from the front, and lights to indicate the direction of the turn when turning. However, in recent years, in addition to these lights, so-called cornering lamps have been installed on some cars to ensure front and side visibility in the direction of the turn when the car is turning. It has started to be done.

(°) Conventional technology oZMA.

Among the lighting equipment that is frequently placed on the front of the automobile as mentioned above, we pay particular attention to the headlights and cornering lamps. ) pages 49 and 278. As shown in Fig. 1, the headlights 1 are installed on both sides of the front of the vehicle body, while the cornering lamps 2 are installed on the front sides of the left and right front fenders 3, respectively. As shown in FIG. 2, lighting control is performed by a cornering lamp switch 11b that is linked to a light switch 10 and a turn signal switch 11a.

That is, when the light switch 10 is switched to the headlight position I, the headlight 1 is turned on and the light switch 10 is switched on.
When the cornering lamp switch 11b is turned on to the right (or left) in the small lamp position (S) or the headlight position 0, the cornering lamp 2a (2b) is turned on. In FIG. 2, 12 is a Francia unit), 4a and 4b are right and left turn signal lamps, respectively.

By the way, the cornering lamp 2 arranged as shown in FIG. 1 has the disadvantage that it is difficult to ensure the amount of light irradiated from the side to the front of the vehicle, that is, to the front side of the vehicle. On the other hand, cornering lamp 2
Regarding the headlight 1 whose lighting is controlled as shown in Fig. 2, if the filament of the low beam light source bulb breaks, it is possible to provide high beam illumination, but if the oncoming vehicle When the vehicle is damaged, high beam lighting cannot be used, and if left as it is, there is a drawback that it is impossible to secure forward visibility at all on the damaged side.

Therefore, in order to eliminate all of the illumination-related drawbacks of the cornering lamp, the inventors of the present invention have proposed a cornering lamp having a structure as shown in FIGS. 3 and 4, for example. This includes a high beam lamp 30 consisting of a reflector 31 and a light source bulb 32, and a high beam/low beam combination rung 33 consisting of a reflector 34 and a light source pulp 35.
An extension part 20a'li- extending to a single corner part is formed in the housing 20 housing the housing 20, and a cornering lamp 40 made of a reflector 41 and a light source pulp 42 is disposed within this extension part 20a, and the optical axis of the cornering lamp 40 is The opening of the housing 20 (including the extension part 20a) in which each lamp unit is arranged in this way is adjusted to be approximately 45 degrees with respect to the vehicle axis. The lens 50 is covered with a lens 50 that has a concave portion 50a formed therearound.

In this way, the high beam lamp 30 and the high beam
By arranging the cornering lamp 40 at the corner of the vehicle body that is in contact with the outside of the headlight composed of the low beam lamp 33, the cornering lamp 40 ensures a sufficient amount of light irradiated to the front side of the vehicle body. You will be able to do this.

However, even in the case of a headlamp and a cornering rung as shown in FIGS. 3 and 4, as long as the lighting control is performed by a device as shown in FIG. This does not solve the problem when the filament of the dσ headlamp low beam light source bulb breaks.

(d) Purpose of the Invention The present invention has been made in view of the above, and includes an 01J light,
In a device that controls the lighting of an automobile lighting device consisting of a cornering lamp installed at a corner of the vehicle body adjacent to the outside of the headlamp, if the low beam light source filament of the headlamp breaks, it is possible to remove the breakage as much as possible. An object of the present invention is to provide a lighting control device for an automobile lamp, which secures forward visibility on the side where the vehicle is turned.

(e) Structure of the Invention In order to achieve the above object, the present invention provides a headlamp provided on the front side of the vehicle body, and a single corner portion adjacent to the outside of the 1σ illumination. In the device that controls the lighting of the turning wheel 8-11, which consists of a cornering lamp that illuminates the vehicle body between the turning directions when turning, the sound of the low beam light source filament breaking The present invention includes a burnout detection means for detecting a burnout, and a switching means for forcibly switching the cornering lamp to a lighting state when the burnout detection means detects the burnout.

(f) Embodiments of the invention Hereinafter, embodiments of the invention will be described based on the drawings. Fifth
The figure is a circuit diagram showing one embodiment of the present invention. This embodiment controls the lighting of the automobile lamp shown in FIGS. 3 and 4.

In Fig. 5, 10 is a light switch having the small lamp position (mark) and headlight position R (1 ()), as in the case shown in Fig. 2, and 11 is a turn signal switch 11a and its interlocking This is a switch unit consisting of a cornering lamp switch 11b that performs on-off operation.When the right (or left) of the turn signal switch 11a is turned on, the vantelii power supply B valves the flasher unit 12 and turns the flasher unit 12 on and off. It is supplied to the turn signal rung 4a (4b) of the left), and
Cornering rung switch 1 linked to the turn signal switch lla when the light switch 10 is in the small lamp position (S) or the headlight position ψ
1b's right (or left) (1) ON operation causes the power supply B to turn on the right (or left) cornering lamp 40a (40
b).

13 is the low beam (to) and low beam (6) of the headlights.
), and is composed of a right-side changeover switch 13a and a left-side changeover switch 13b which are linked together, and each changeover switch 13a, 13b is normally in the low beam (■) position. When the light switch 10 is in the headlight position 0, the right changeover switch 13a
When is in the low beam (G) position, relay coil 1 (described later)
The battery power supply B is supplied to the low beam light source filament 36a of the right side headlamp through the pl.
Similarly, when the voltage changeover switch 13b is in the low beam (T) position, the power source B is supplied to the low beam light source filament 36b of the left headlight via the relay coil 15a. . Incidentally, when the changeover switches 13a and 13b are switched to the no-beam I position, the light source filaments 37a for the no-beam of the right and left headlights, respectively.

Battery power source B is supplied to 37b.

14 is a relay coil 14a for detecting breakage of the right low beam light source filament 36a and a cornering lamp 40.
15 is a relay coil 15a for detecting breakage of the left low beam light source filament 36b.
L is a relay consisting of a normally closed contact 15b for switching the cornering lamp 40b from a non-lighting state to a lighting state.
'), relay coil 14a of each relay 14.15, 1
5a are the valley changeover switches 13a and 13a, respectively, as described above.
13b and low beam light source filaments 36a, 36
b, and the contact 14b is connected between the light switch 10
is connected between the electrolytic corrosion line at headlamp position I and the cornering lamp 40a on the right side, and the contact 15b is connected between the power supply line and the cornering lamp 40b on the pressure side.

Next, the operation will be explained. 1. When the light switch 10 is set to all small lamps (t■), turn the turn signal switch 11a to the right (or left) as in the case shown in Fig. 2.
Turn on the right cornering lamp 4 by turning on the
0a (40b) lights up. Give me a pillow, light switch 1
0 is the headlight position (6), the low beam light source filament 36a.

36b is energized, and the headlights are turned on as low beams. At this time, relay coils 14a and 15a are also de-energized, and contacts 14b and 15b are in an open state. In such a state, the lighting of the cornering lamps 40a and 40b is controlled by the on/off operation of the cornering lamp switch 11b linked to the turn signal switch lla, as described above. When the light source filament 36a is broken, the power to the relay coil 14a is interrupted, and at the same time, the contact 14b is closed. Then, by switching the contact 14b to the closed state, the right cornering lamp 40a is forcibly energized, and the cornering lamp 40a is turned on.

In this way, the light source filament for low beam is broken.
When the side cornering lamp 40a is turned on, the low beam light source filament is cut off by the forward component of the irradiated light, since the cornering lamp 40a is provided at the corner of the vehicle body as shown in FIG. It is possible to secure forward visibility near the vehicle body on the damaged side.

Although the present embodiment is directed to the automobile lamp shown in FIGS. 3 and 4, the present invention is not limited thereto, and may be applied to a part of the vehicle body corner where the cornering lamp momentarily contacts the headlight. The housing may be separate from the headlamp, and the lens may be separate from the headlamp, as long as it illuminates the front and sides.

(g) Effects of the Invention According to the present invention, the cornering lamp provided at the corner of the vehicle body adjacent to the headlamp is forcibly turned on when the low beam light source filament of the headlamp breaks. It is possible to prevent the situation where the front visibility on the damaged side cannot be secured at all, and it is possible to achieve the effect of realizing an automobile lamp with greater safety in mind.

[Brief explanation of drawings]

1 is a perspective view showing an example of a vehicle equipped with a conventional cornering lamp; FIG. 2 is a circuit diagram showing an example of a device for controlling the lighting of conventional headlights and cornering lamps;
FIGS. 3 and 4 are a perspective view and a sectional view of essential parts of an example of an automobile lamp to which the present invention is applied, and FIG. 5 is a circuit diagram showing an example of a lighting control device according to the present invention. 10...Light switch 11...Switch unit 11a...°Turn signal switch 11b...Cornering lamp switch 13...Choice switch 14.15...Relay 14a, 15a...
...Relay coil (cutting detection means) 14b, 15b
...Contacts (switching means) 36a, 36b...Light source filament for low beam 37a, 37b...Light source filament for high beam Patent applicant Nissan Motor Co., Ltd. 1st factor Figure 2 n 3rd factor

Claims (1)

[Claims] A vehicle for automobiles consisting of a headlamp provided on the front side of the vehicle body, and a cornering lamp provided at a corner of the vehicle body adjacent to the outside of the headlight and illuminates the front side of the unit in the turning direction when the vehicle turns. The device for controlling the lighting of the lamp includes a breakage detection means for detecting all breakage of the low beam light source filament of the headlamp, and a breakage detection means for forcibly turning on the cornering lamp when the breakage detection means detects the breakage. 1. A lighting control device for a motor vehicle lamp, characterized in that it is provided with a switching means for switching the state.