JPH0137308Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Field of Industrial Application" The present invention relates to a lighting electric circuit for a vehicle.

``Prior Art'' As shown in FIG. 3, two types of conventional electric circuits include a power source 1, a main switch 2 connected in series to the power source 1, and a headlamp connected in series to the main switch 2. Light switch 3 and main switch 2
A brake light switch 5 of the brake pedal 4 connected in series with the main switch 3 and in parallel with the headlight switch 3, a parking light switch 6 connected in series with the power source 1 and in parallel with the main switch 2, and a headlight 7. , width light 8,
Front parking light 9, number light 10, rear parking light 11, tail light 1
2 and a brake 13. The headlamp 7 is connected to the second output contact OUT2 of the headlamp switch 3.
The side lights 8, number lights 10 and tail lights 12 are connected to a first output contact OUT1 of the headlight switch 3. The front parking light 9 and the rear parking light 11 are connected to the parking light switch 6.
Connect to. The brake light 13 is connected to the brake light switch 5.

Next, the operation will be explained. While driving the vehicle, the main switch 2 is closed. While driving, the driver depresses the brake pedal 4. Then, the braking device (not shown) is activated and at the same time the brake light switch 5 is activated.
is closed and the brake light 13 is turned on. When the brake pedal 4 is released, the brake light switch 5 opens and the brake light 13 is turned off. At dusk, headlight switch 3
Switch from the OFF state to the first stage ON1. Then, the first input contact IN1 and the first output contact OUT1 are closed, and the side marker lights 8, number lights 10, and tail lights 12 are turned on. Furthermore, set headlight switch 3 to the second position.
When switched to ON2, the second input contact IN2 is connected to the first output contact OUT1 and the second output contact OUT2, and the above-mentioned side marker lights 8, number lights 10 and tail lights 1 are connected.
In addition to 2, the headlight 7 is turned on. When the headlight switch 3 is turned off, the vehicle side lights 8, number lights 10, taillights 12, and headlights 7 are turned off.
When parking at night, the main switch 2 is opened and the parking light switch 6 is closed. Then, the front parking light 9 and the rear parking light 11 are turned on. Further, when the parking light switch 6 is opened, the front parking light 9 and the rear parking light 11 are turned off.

``The problem that the invention attempts to solve'' However, the conventional vehicle lighting electrical circuit is
No idea has been made to reduce the number of light bulbs. For this reason, there are a large number of light bulbs, and maintenance inspections such as checking for burned out bulbs and replacing them are complicated. Furthermore, since there are a large number of lights, the design and manufacture are complicated, resulting in high costs.

The present invention aims to provide a vehicle lighting electrical circuit which solves the above-mentioned problems.

``Means for solving the problem'' This invention connects a changeover switch to the headlight switch and the parking light switch, so that the width lights and front parking lights or tail lights and rear parking lights function independently of each other. It is characterized by being used both as a width light and a front parking light or as a tail light and a rear parking light.

``Function'' Due to the switching operation of the changeover switch, when driving in dim light or at night, when the headlight switch is operated, the vehicle width light and front parking light, tail light or vehicle width light, tail light and rear parking light are turned off, and when driving at night, the vehicle width light and front parking light are turned off. When you operate the light switch, the width lights and front parking lights, the rear parking lights or front parking lights, and the taillights and rear parking lights turn on and off.

"Embodiments" Hereinafter, two examples of the embodiments of the vehicle lighting electric circuit according to the present invention will be described with reference to FIGS. 1 and 2.

FIG. 1 is an electrical circuit diagram showing a first embodiment of the vehicle lighting electrical circuit of the present invention.

In the figure, the same reference numerals as in FIG. 3 indicate the same parts.

Therefore, in the electric circuit of the vehicle of the present invention in this embodiment, a relay 17 as a changeover switch is connected to the headlight switch 3 and the parking light switch 6. This relay 17 has a first fixed contact 17a
, a second fixed contact 17c, a movable contact 17b,
It consists of a coil 17d. Then, the width direction light 8 and the front parking light 9, which function separately, are combined by the width direction light and front parking light 15. Said relay 17
The first fixed contact 17a is connected to the parking light switch 6 and the rear parking light 11. The second fixed contact 17c is connected to the first output contact OUT1 of the headlight switch 3 and the number lamp 10. The movable contact 17b is connected to the vehicle side light/front parking light 15. The coil 17d is the second
Connect to the fixed contact 17c.

The vehicle lighting electric circuit of the present invention in this embodiment has the above-mentioned configuration, and its operation will be explained below.

When driving in dim light or at night, close the main switch 2 and switch the headlight switch 3 to the first stage ON1. Then, the first input contact of headlight switch 3
IN1 and the first output contact OUT1 are connected, and the number light 10 and tail light 12 are turned on. At the same time,
Current flows through coil 17d of relay 17, and coil 1
7d is excited, the movable contact 17b is attracted, and the movable contact 17b and the second fixed contact 17c are connected. As a result, the side-side lamp/front parking light 15 is turned on as a side-side lamp. In addition, headlight switch 3
When the switch is switched to the second stage ON2, the headlight 7 is turned on in addition to the number lamp 10, the side lamp/front parking light 15, and the taillight 12. Then turn on headlight switch 3.
When switched to the OFF state, the headlights 7, number lights 10, and taillights 12 are turned off, and at the same time, the coil 17d is demagnetized, the movable contact 17b automatically returns, and the connection between the movable contact 17b and the second fixed contact 17c is established. It is released, and the vehicle width light/front parking light 15 is turned off.

When parking at night, the main switch 2 is opened and the parking light switch 6 is closed. Then, the rear parking light 11 lights up. At the same time, since the first fixed contact 17a and movable contact 17b of the relay 17 are connected, the side lamp/front parking light 15 is turned on as a front parking light. When the parking light switch 6 is opened, the width light/front parking light 15 and the rear parking light 11 are turned off.

In this way, since the vehicle width light/front parking light 15 serves as both the vehicle width light and the front parking light, the number of light bulbs is reduced, and maintenance such as bulb burnout inspection and replacement is easy. Furthermore, since the number of lights can be reduced, design and manufacture are simple, and costs can be reduced.

FIG. 2 is an electrical circuit diagram showing a second embodiment of the vehicle lighting electrical circuit of the present invention.

In the figure, the same reference numerals as in FIGS. 1 and 3 indicate the same parts.

Therefore, in the electric circuit of the vehicle of the present invention in this embodiment, the tail light 12 and the rear parking light 11, which each function separately, are combined by the tail light and rear parking light 16. A first fixed contact 17a of the relay 17 is connected to the parking light switch 6 and the front parking light 9.
The second fixed contact 17c is connected to the first output contact OUT1 of the headlight switch 3, the side marker light 8, and the number light 10. The movable contact 17b is connected to the tail light/rear parking light 16. Coil 17d is connected to second fixed contact 17c.

The vehicle lighting electric circuit of the present invention in this embodiment has the above-mentioned configuration, and its operation will be explained below.

When driving in dim light or at night, close the main switch 2 and switch the headlight switch 3 to the first stage ON1. Then, the first input contact of headlight switch 3
IN1 and the first output contact OUT1 are connected, and the side marker lights 8 and number lights 10 are turned on. At the same time,
Current flows through the coil 17d of the relay 17, the coil 17d is excited, the movable contact 17b is attracted,
The movable contact 17b and the second fixed contact 17c are connected. As a result, the tail light/rear parking light 16 is turned on as a tail light. Furthermore, set headlight switch 3 to 2.
When switching to stage ON2, number light 10, vehicle side light 8
In addition to the taillight/rear parking light 16, the headlight 7 is turned on. Then, when the headlight switch 3 is turned off, the headlights 7, number lights 10, and side marker lights 8 are turned off, and at the same time, the coil 17d is demagnetized, the movable contact 17b automatically returns, and the movable contact 17b and the second fixed contact 17c are released, and the tail light/rear parking light 16 is turned off.

When parking at night, the main switch 2 is opened and the parking light switch 6 is closed. Then, the front parking light 9 lights up. At the same time, since the first fixed contact 17a and movable contact 17b of the relay 17 are connected, the tail light/rear parking light 16 is turned on as a rear parking light. When the parking light switch 6 is opened, the front parking light 9 and the tail light/rear parking light 16 are turned off.

In this way, since the tail light/rear parking light 16 serves both as a tail light and a rear parking light, the number of light bulbs is reduced.
Maintenance and inspection such as checking for broken bulbs and replacing them is easy. Furthermore, since the number of lights can be reduced, design and manufacture are simple, and costs can be reduced.

"Effects of the Invention" As is clear from the above embodiments, the vehicle electric circuit of the present invention can achieve the following effects.

(b) The number of light bulbs can be reduced because the width lights and front parking lights can be used as both width lights and front parking lights, and the tail lights and rear parking lights can be used as tail lights and rear parking lights. This makes maintenance and inspection such as checking for broken bulbs and replacing them easy.

(b) Furthermore, since the number of lights can be reduced, design and manufacture are simple, and costs can be reduced.

[Brief explanation of the drawing]

FIG. 1 is an electrical circuit diagram showing a first embodiment of the vehicle lighting electrical circuit of the present invention. FIG. 2 is an electrical circuit diagram showing a second embodiment of the vehicle lighting electrical circuit of the present invention. FIG. 3 is an electrical circuit diagram showing a conventional vehicle lighting electrical circuit. 3... Headlight switch, 6... Parking light switch, 8... Vehicle side light, 9... Front parking light, 11... Rear parking light, 12... Tail light, 15... Vehicle side light and front parking. Light, 16...tail light and rear parking light, 17...relay.

Claims (1)

[Scope of utility model registration request] A vehicle width light, a tail light, a front parking light, a rear parking light, a headlight switch that switches the vehicle width light and tail light on and off, and a parking light that switches the front parking light and rear parking light on and off. In the lighting electric circuit of a vehicle equipped with a light switch, a changeover switch is connected to the headlight switch and the parking light switch,
A lighting electric circuit for a vehicle characterized in that a width direction light and a front parking light or a tail light and a rear parking light, which function separately from each other, are combined by a width direction light and a front parking light or a tail light and a rear parking light.