JPH01202546A - Lighting device and headlamp for vehicle - Google Patents

Abstract

PURPOSE:To continue the safety running at night when one of headlamps fails by turning on a downward spare beam element when a downward beam element fails. CONSTITUTION:When one of lamps 5 fails during the night running, the switch 13 of a lamp operating circuit (d) is operated with the relay 10 in a downward beam element circuit (c). The switch 9 of a downward spare beam element circuit (e) is turned on by a relay 14 to automatically excite the circuit (e), the downward spare beam element 8 of a headlamp 5 is turned on to project the light. The auxiliary lighting is thereby obtained by utilizing the sealed beam lamp 5 without changing the design of a vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lighting device including a headlamp used to illuminate the front of an automobile or other vehicle when driving at night.

[Conventional technology]

In conventional vehicle lighting systems, for example headlamps that primarily illuminate the road ahead or a region of the road, sealed-beam headlamps with an upward beam element and a downward beam element are used to increase and guarantee driving safety at night. is used, and by operating a changeover switch from the driver's seat, light can be projected to illuminate near and far positions on the road ahead.

In addition, attempts have also been made to install fleon lamps or auxiliary headlights to additionally increase illumination intensity or brightness in order to respond to changes in weather conditions and surrounding environmental conditions such as dense fog or dark mountain roads. There is.

[Problem to be solved by the invention]

However, with this conventional additional headlight lighting system, it is necessary to change the design of the vehicle itself, the number of lamps increases, and there is no freedom in terms of design.Additionally, adding an attachment as an option affects the appearance and design. This is not desirable because it deteriorates, and it also takes time to install, has a complicated structure, increases the number of parts, and, depending on the reporting ability, can be a hindrance during vehicle inspections and can be expensive. In addition, if this additional headlight is not installed, with conventional sealed beam headlights, if one of the lights burns out while driving at night, you will not be able to continue driving safely, which is dangerous, especially on highways and long distances. If there is no repair shop in the area where the vehicle is being driven for long distances, it is not possible to replace or update the vehicle, which is not only extremely dangerous, but also has drawbacks such as being in violation of traffic safety obligations if the vehicle continues to be driven, and being subject to poor maintenance.

The present invention eliminates these conventional drawbacks and enables auxiliary lighting by utilizing sealed beam lamps without changing the vehicle design, allowing safe driving at night even when one side of the headlamp is burnt out. It is an object of the present invention to provide a lighting device for a vehicle that can continue to operate in a compact, easy-to-handle, and inexpensive form.

[Means to solve the problem]

The present invention provides a sealed beam headlamp having a power supply circuit including a main switch and a selector switch, and upward, downward, and downward spare beam elements;
In the vehicle lighting device equipped with the lamp socket, a lamp operating circuit is provided between the selector switch and the socket, and includes an upward beam element circuit and downward and downward spare beam element circuits, and includes a downward and downward spare beam element circuit. A vehicle characterized in that the circuit is equipped with a relay for lighting a downward spare beam element when the downward beam element is not lit, and the upward beam element circuit and the downward and downward spare beam element circuits are connected to the selector switch. This is a lighting device for.

Furthermore, the sealed beam lamp used in this lighting device is equipped with upward, downward, and downward spare beam elements, and is configured to be able to be detachably attached to a lamp socket using the respective connection terminals along with the ground connection terminal. This is a headlamp for vehicles.

[For production]

In this vehicle lighting system, power is normally supplied from the vehicle's on-board battery power source 1 by turning on the main switch 2.

When OFF, the headlamp 5 is supplied and disconnected via the socket 4,
By switching the select switch 3, the upward beam element 6 and the downward beam element 7 in the headlamp 5 are switched.
Power is supplied to the upper beam element circuit C and the lower beam element circuit C to illuminate the road ahead and enable safe driving, but if one lamp 5 burns out during night driving, the downward beam The relay 19 in the element circuit C operates the switch 13 of the lamp operating circuit d, and the relay 14 turns on the switch 9 of the downward auxiliary beam element circuit e, automatically supplying power to the auxiliary beam element circuit e, so that the downward direction of the hent lamp 5 By lighting up the spare beam element 8 and emitting light, it is possible to continue driving safely at night, making it possible to demonstrate its power on dark mountain roads, highways, long distance drives, etc.

In addition, relay 1 is connected to the downward spare beam element circuit e.
9, a warning lamp 1O installed in the vehicle can be displayed by lighting or blinking so that the driver can notice, and it is possible to give the driver a chance to update the lamp.

〔Example〕

Embodiments of the present invention will be described with reference to FIGS. 1 to 3. A DC power supply circuit a connected to a vehicle-mounted battery power supply l and including a main switch 2, and an illumination provided in the DC power supply circuit a facing upward. or a pair of lamp sockets 4.4 connected via a selector switch 3 which is switched downwards.
and a sealed beam headlamp 5 that is detachably attached to the socket 4 and has an upward beam element 6, a downward beam element 7, and a spare downward beam element 8, wherein the power supply circuit a is connected to the power supply circuit a. A lamp operating circuit d is provided, and the upward beam element circuit consists of a downward beam element circuit C and a downward spare beam element circuit e, and the downward and downward spare beam circuits d and e serve as downward spares when the downward beam element 7 is not lit. The beam element 8 is equipped with a relay 14, 19 that lights up, and the upward beam element circuit is connected to the downward and downward preliminary beam electric circuits c and e to the selector switch 3, thereby providing lighting in a vehicle having a sequence control circuit. This is the device.

That is, when one lamp 5 burns out during night driving, the relay 19 provided in series in the downward beam element circuit C operates the switch 13 of the lamp operation circuit d, and the relay 14 turns on the downward spare beam element circuit e. When the switch 9 is turned on, power is automatically supplied to the spare beam element circuit e, and the downwardly directed spare beam element 8 of the headlamp 5 is turned on and illuminated, making it possible to continue driving safely at night.

In this case, the spare circuit C preferably includes a display section of a warning lamp 10 provided in the vehicle, for example, on a dash board, and also includes a display section of a warning lamp 10 provided in the vehicle, for example, on a dash board.
It comprises an upward beam element 6, a downward beam element 7 and a downward spare beam element 8, each with a ground connection terminal 15 and a connection terminal 16.
17.18 is a vehicle headlamp configured to be detachably attached to the socket 4.

The sealed beam lamp 5 is connected to, for example, a 12V upward beam element 6, a 6V downward beam element 7, and a 12V downward spare beam element 8 so as to be used as spares.

Furthermore, although it is desirable to install the downward spare beam element circuit e from a new car, it is also possible to replace the existing sealed beam lamp 5 with the headlamp 5 at the time of vehicle inspection by installing an adapter, or by attaching an adapter to the headlamp 5. 19, an electromagnetic relay such as an a contact (no contact) relay or a delay relay can be selected and used for sequence control.

In the figure, 1) is a ground circuit, 12 is a fuse, and 13 is a break contact (B contact), which becomes a contact (NC contact) of a relay 14.

Note that two relays are used in the circuits of the left and right headlamps 5.5, but when the headlamp 5 is pointing downward, the coils RI and R+ of the relay 19 are pulled, and the coil Rt of the relay 14 is pulled. , Rt are designed so that when either the right or left side of the downward beam element 7 breaks, it is connected to the downward spare beam element circuit e.

〔Effect of the invention〕

The present invention provides a lamp operation circuit between a selector switch and a socket, and comprises an upward beam element circuit and downward and downward spare beam element circuits, and the downward and downward spare beam circuits are arranged so that the downward beam element is turned on when the downward beam element is not lit. A relay is provided to light up the spare beam element, and an upward beam element circuit and a downward and downward spare beam element circuit are connected to the selector switch.
By accurately eliminating the various drawbacks of the conventional technology, it is possible to utilize sealed beam lamps to provide auxiliary lighting without changing the vehicle design, and to continue driving safely at night even when one side of the headlamp burns out. can. In addition, the lamp according to claim 3 is easy to handle, can be easily applied to existing vehicles, and does not require changes to the design of the vehicle, and is highly versatile, simple in construction, and inexpensive. Therefore, it can be provided as an effective lighting device for a vehicle.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is an electric circuit diagram, FIG. 2 is a plan view of the sealed beam lamp, and FIG. 3 is a rear view. a...Power supply circuit, b...Upward beam element circuit, C...Downward beam element circuit, d...Lamp operation circuit, e...Downward spare beam element circuit, ■...Battery power supply, 2... Main switch,
3...Select switch, 4...Socket, 5...
・Sealed beam headlamp, 6... Upward beam element, 7... Downward beam element, 8...
・Downward spare beam element, 9...switch, l
O...warning lamp, 13...switch, 14.19
···relay.

Claims (3)

[Claims] (1) A vehicular lighting device comprising a sealed beam headlamp having a power supply circuit including a main switch and a selector switch, upward, downward, and downward spare beam elements, and a socket for the lamp, wherein the selector switch A lamp operating circuit is provided between the lamp and the socket, and consists of an upward beam element circuit and downward and downward spare beam element circuits, and in the downward and downward spare beam circuits, when the downward beam element is not lit, the downward spare beam element is lit. What is claimed is: 1. A lighting device for a vehicle, comprising a relay as described above, and an upward beam element circuit and downward and downward preliminary beam element circuits are connected to the selector switch. (2) The lighting device according to claim 1, wherein the spare circuit includes a display section of a warning lamp installed in a vehicle. (3) A vehicle head characterized in that the sealed beam lamp is provided with upward, downward, and downward spare beam elements, and is configured to be able to be detachably attached to a lamp socket using the respective connection terminals along with a ground connection terminal. lamp.