JPH02211B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides an accident prevention light separate from the main headlights and/or tail lights, and the light is turned on by external energy rather than the power source of the main body of the vehicle. This is an accident prevention light device that uses external natural energy such as sunlight to illuminate the accident prevention light, especially during the daytime, to avoid over-discharging of the battery, and to make the presence of the car more noticeable and prevent accidents. This article relates to a light device for preventing accidents.

In recent years, with the rapid increase in the number of vehicles traveling on roads, the number of traffic accidents has also increased, and this has become a social problem, and there is an urgent need to establish countermeasures.

As part of these countermeasures, turning on the headlights of vehicles even during the daytime to make the presence of the vehicle more visible to other vehicles and pedestrians is effective in preventing accidents. In particular, consideration is being given to making it compulsory for motorcycles. This is already mandatory in Canada.

However, lighting the headlights or taillights during the day using a vehicle's battery power source has the disadvantage that the battery may run out due to overdischarge.

SUMMARY OF THE INVENTION In view of the above circumstances, it is an object of the present invention to provide an accident prevention light device that improves traffic safety not only for vehicles but also for pedestrians and can be provided at low cost and light weight.

The present invention will be described below based on embodiments shown in the accompanying drawings.

FIG. 1 shows an embodiment in which the device of the present invention is mounted on the roof of a four-wheeled vehicle.The light device 1 for preventing accidents according to the present invention is a thin box 2 fixed to the roof of a four-wheeled vehicle C. multiple solar cells 3 on the top surface of
A front illumination light 4 is provided on the front of the box 2, and a rear illumination light 5 is provided on the back. The solar cell 3 converts direct light or indirect light from the sun into electric power, and guides this to the front illumination lamp 4 and the rear illumination lamp 5, which emit light during the day.

The separate daytime lighting device using a solar battery as a power source has the disadvantage that the solar battery is expensive and heavy.

Therefore, FIGS. 2 and 3 show another embodiment 1' of the present invention which eliminates this drawback, in which a condensing Fresnel lens 7 is provided on the top surface of the thin box 6, and both the front and rear surfaces are Or irradiation lens 8 on one side.
will be provided. A reflector 9 made of a mirror, a prism, or the like is provided inside the box 6, and sunlight collected by the Fresnel lens 7 is reflected by the reflector 9 and powerfully irradiated through the front illumination lens 8.

Here, if the area of the condensing lens is S and the area of the irradiation lens is s, then light amplified at S/s is irradiated. When the brightness of the environment is l and the brightness of the irradiation of the present invention is L, the relationship is S/s × l = L, so the brightness L of the light device of the present invention is always higher than the brightness l of the environment. For example, even on a perfectly sunny day, even brighter irradiation light can be obtained, and conversely, even if l is smaller on a cloudy day, the brightness L of the light of the present invention will be proportional to that. It will be smaller, but the brightness will always be greater than the cloudy brightness. That is, l<L.

FIG. 4 shows a light device 1' for accident prevention, etc. of the present invention having a front illumination lens 8 and a rear illumination lens 10.
FIG. 5 shows an embodiment in which the light device 1' is mounted on the roof of a four-wheeled vehicle, and FIG. 5 shows an embodiment in which two light devices 1' are mounted on the bonnet on the left and right sides.

The light device 1' is a lens 7 such as a Fresnel lens.
A reflector 9 made of a reflector is provided at approximately the focal point of the
The lens 8 emits sunlight focused by the condensing lens 7.
irradiate only the front or both the front and the rear.
The reflecting mirror 9 can be replaced with a prism as well. Alternatively, the lenses 8 and 10 may be omitted and only the irradiation hole provided. Further, the rear lens 10 may be transparent and may include a red filter, and the lenses 8 and 10 may be Fresnel lenses. Incidentally, illumination lights may be provided on both sides of the box 6 in addition to the front and rear to draw attention to both sides of the vehicle C. In this case, the illumination lights have four reflective surfaces that reflect the light in the front, rear, left and right directions. A reflector is used, or in the case of a device equipped with a plurality of condensing lenses, a condensing lens having a reflector that reflects the light to both sides is provided.

It goes without saying that the device of the present invention is applicable not only to the above-mentioned four-wheeled vehicles but also to motorcycles, other vehicles such as buses and trucks, boats, airplanes, advertising billboards, and the like.

As explained in detail above, according to the present invention, the light is emitted during the daytime using external natural energy such as sunlight, so it draws the attention of other vehicles and pedestrians, thereby preventing traffic accidents. In addition to being useful in preventing this, it is also possible to avoid consumption of the battery installed in the vehicle, and it is compact and can be made at low cost.

In contrast to conventional lighting using a battery power source, which is dim and inconspicuous under bright daylight due to the surrounding brightness, the light according to the present invention accumulates the density of external light per unit area, and is proportional to the external light. Since it is possible to obtain a brighter irradiation light than this, when the outside world is sunny and bright, it is even brighter than that, and even when it is cloudy and dark, it automatically follows the illuminance of the outside world and is relatively brighter than the outside world per unit area. It has the characteristic of always being bright and conspicuous because it maintains the same illuminance.

From the above, the device of the present invention is an excellent invention that can be used in automobiles and the like to significantly reduce the accident rate.

[Brief explanation of drawings]

Fig. 1 is a perspective view of an embodiment in which the inventive device using solar cells is installed on the roof, Fig. 2 is a perspective view of a concentrating type inventive device, and Fig. 3 is a cross-sectional view of the inventive device of Fig. 2. 4 shows an embodiment in which the device of the present invention shown in FIG. 3 is mounted on the roof, and FIG. 5 is a perspective view of a four-wheeled vehicle in which two devices of the present invention are mounted on the bonnet. 1, 1'... Light device for accident prevention, etc., 2,6
...Main box, 7...Fresnel lens for condensing light, 8...
...Irradiation lens, 9...Reflector, 10... Rear irradiation lens.

Claims (1)

[Claims] 1. A light device for accident prevention, etc., characterized in that an accident prevention light is provided separately from the main headlight and/or tail light, and the light is lit by external energy rather than the power supply of the main body of the vehicle.