JPH0212112Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a control device for a vehicle illumination light such as an automobile headlight.

(Prior art) Conventionally, this kind of device has a changeover switch for a vehicle illumination light that includes at least two switches that are turned on and off by the switching operation, and one of these two switches is used to turn on the illumination light. One is a manual switch that operates to hold the illumination light, and the other is an auto switch that operates to automatically turn on and off the illumination light via a control unit, and the changeover switch is set to at least one of an off position, a lighting position, and an auto position. It is known that the manual switch is operable to switch between three positions, and the manual switch is operated in the lighting position, and the auto switch is operated in the auto position.In this case, both the manual switch and the auto switch are switched on. It is generally configured to be an on-operation type that operates at certain times.

(Problems to be Solved by the Invention) In the conventional device described above, if the common grounding circuit connected to the manual switch and the control switch is disconnected, even if the respective switches are turned on, power is not supplied through this. , there is a problem that the lighting lamps cannot be turned on.

In addition, in order to solve this problem, there is an off-operation type that is activated when both the manual switch and the auto switch are off, for example, the illumination lamp is kept on or turned on and off automatically by increasing the potential on the non-grounded side of each switch. If you do so, the power supply circuit connected to the non-grounded side of each of these switches will be disconnected, making it impossible to light up.
Furthermore, when the changeover switch is in the off position, both of these switches are turned on, which poses a problem of power consumption due to energization through both switches.

An object of the present invention is to provide a device that eliminates such problems.

(Means for Solving the Problems) In order to achieve the above object, the present invention incorporates at least two switches that are turned on and off by the switching operation of the vehicle lighting changeover switch, and these two One of the switches is a manual switch that operates to keep the illumination light on, and the other is an auto switch that operates to automatically turn on and off the illumination light via a control unit. The manual switch is operable to switch between at least three positions: an off position, a lighting position, and an auto position, and the manual switch is operated in the lighting position and the auto switch is operated in the auto position. It is characterized in that one of the auto switches is an on-operation type that operates when the auto switch is on, and the other is an off-operation type that operates when the auto switch is off.

(Example) The present invention will be explained with reference to the illustrated embodiments.

The drawing shows an embodiment in which the present invention is applied to a vehicle having a side lamp 1 and a head lamp 2 as illumination lights, and the changeover switch 3 is replaced by a first manual switch 4 for the side lamp 1 and a first manual switch 4 for the head lamp 2. The second manual switch 5 and the auto switch 6 are built in, and the switch 3 can be turned off by turning the operation knob 3a.
position, and a “side” position in which the first manual switch 4 is operated to keep the side lamp 1 lit;
There is an "auto" position in which the auto switch 6 is operated and the control unit 7 automatically turns on and off the side lamps 1 and head lamps 2, and the first and second manual switches 4 and 5 are both operated in the "auto" position to automatically turn on and off the side lamps 1 and head lamps 2. 4 with "Head" position to hold the light on
The position can be changed freely.

In accordance with the features of the present invention, the first
For example, the second manual switches 4 and 5 are configured as an on-operation type that is activated when the second manual switch is on, and an off-activation type that is activated when the auto switch 6 is off. Well then,
The movable contact sides of these three switches 4, 5, 6 are grounded, and the fixed contacts 4a, 5a of each manual switch 4, 5 are connected to the inverters 8, 9 and the OR circuit 1, respectively.
0, 11 and inverters 12, 13 to control energization to each of the lamps 1, 2;
4, 15, and connect each manual switch 4, 5.
According to the ON operation, a high level signal is output from each OR circuit 10, 11, and each inverter 12,
13, the relay circuits 14 and 15 are activated to light up the lamps 1 and 2, and the fixed contact 6a of the auto switch 6 is connected to the set terminal of the control unit 7, so that the auto switch is activated. According to the off operation of unit 6, the unit 7 is activated by inputting a high level signal to the set terminal.
In response to the signal from the light sensor 7a input to the unit 7, a high-level lighting signal and a low-level extinguishing signal are output, which are input to each of the OR circuits 10 and 11, and are input to each of the lamps 1 and 2. is turned on and off automatically.

The specific configuration of the changeover switch 3 is as shown in FIG. 2, and there are three contact holders 3c connected to the operation knob 3a via connectors 3b, which are commonly grounded at intervals in the direction of movement. The movable contacts 3 ₁ , 3 ₂ , 3 ₃ of the switches 4, 5, 6 are attached to the switch board 3d, and the fixed contacts 4 of the switches 4, 5, 6 are attached to the switch board 3d.
a, 5a, and 6a are installed in the order shown with a gap between them, and in the "off" position, only the auto switch 6 is turned on by the contact of the movable contact 32 to its fixed contact 6a, as shown in FIG. _2a . and in the "side" position,
As shown in FIG. 2b, in addition to the auto switch 6, the first manual switch 4 is turned on by the contact of the movable contact ₃₁ to its fixed contact 4a, and the side lamp 1 is turned on as described above, and is in the "auto" position. , second
As _shown in _FIG . Both lamps 1 and 2 are automatically turned on and off by the control unit 7, and in the "head" position, the auto switch 6 is turned on when the movable contact ₃₃ contacts the fixed contact 6a as shown in FIG. 2d. , fixed contact 4
When the movable contacts 3 ₂ and 3 ₁ contact a and 5a, the first and second
Manual switches 4 and 5 were turned on, and both lamps 1 and 2 were turned on.

(Function) To explain the function of the present invention based on the above embodiment, when the ground circuit connected to the first and second manual switches 4 and 5 and the auto switch 6 is disconnected, the same effect occurs as if the auto switch 6 were turned off. state,
Regardless of which position the changeover switch 3 is in, both lamps 1 and 2 are automatically turned on by the control unit 7, and will not become incapable of being turned on.

Incidentally, contrary to the above embodiment, it is also possible to make the first and second manual switches 4 and 5 of the OFF type and the auto switch 6 of the ON type. Since lighting control cannot be performed, it is more advantageous to configure as in the above embodiment in consideration of operability.

Furthermore, in the above embodiment, a case has been described in which there are two types of illumination lights, the side lamp 1 and the head lamp 2. However, when there is only one type of illumination light, there is a changeover switch in the OFF position, and a built-in manual switch for each type. Of course, the present invention can also be applied to a case where an auto switch is selectively activated and can be switched between three positions: a lighting position and an auto position.

(Effect of the invention) As described above, according to the invention, one of the manual switch and auto switch built into the changeover switch is configured to be an on-actuation type and the other is an off-action type, and a common ground connected to these switches is used. Even if the circuit or power supply circuit is disconnected, the light can be turned on by either one of the switches, and when the selector switch is in the OFF position, the on-operation type switch is turned off, and both switches are set to the OFF-operation type. This has the effect of reducing power consumption.

[Brief explanation of the drawing]

Figure 1 is a circuit diagram of an example of the proposed device, Figure 2 a,
b, c, and d are explanatory diagrams showing the switching states of the changeover switches, respectively. 1... Side lamp (illumination light), 2... Head lamp (illumination light), 3... Changeover switch, 4, 5
...Manual switch, 6...Auto switch,
7...Control unit.

Claims (1)

[Scope of utility model registration request] A changeover switch for a vehicle illumination light has at least two built-in switches that are turned on and off by the switching operation, and one of these two switches is a manual switch that operates to keep the illumination light on, and the other is a manual switch that operates to keep the illumination light on. The illumination lamp is configured as an auto switch that operates to automatically turn on and off the illumination light via a control unit, and the changeover switch is operable to be switched between at least three positions, an off position, a lighting position, and an auto position, and when the lighting position is The manual switch is operated and the auto switch is operated in the auto position, and there is an on-operation type in which one of the manual switch and the auto switch is operated when the switch is on, and the other is operated when the switch is off. 1. A control device for a vehicle lighting lamp, characterized in that it is configured as an off-operation type.