JPH0113286Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a marker light used for recognizing road width, etc.

Conventional configurations and their problems Traditionally, marker lights used to identify road widths, etc. have used incandescent light bulbs as the light source, covered with colored covers, or have colored incandescent lamps as the light source. Some are known that are covered with a flat plate cover, or that have a rotating reflector around the incandescent lamp that is the light source, making it appear as if the incandescent lamp is blinking.

However, since the above-mentioned conventional marker lights use an incandescent light bulb or an incandescent lamp as a light source in combination with a flat cover, they have a problem in that the luminance is low and the light emitting surface cannot be enlarged.

For this reason, it is difficult to obtain sufficient brightness for applications such as road sign lights, which require linear light with a certain length and thickness, which is highly recognizable. I couldn't say yes.

Needless to say, they consume a lot of power, and are susceptible to vibrations and shocks, so there is a high possibility of wire breakage or damage.They also have a short lifespan, and it is undesirable to install them in locations that cannot be constantly controlled. There was a problem with the above-mentioned use as a sign light on the road.

That is, conventional marker lights have a problem in that their installation locations are severely limited in terms of performance such as brightness and lifespan.

On the other hand, it was used as a beacon light for fishing ports.
A light source using a xenon flash discharge tube is known as disclosed in Japanese Patent No. 67094. As is well known, xenon flash discharge tubes have high luminance and low power consumption, making them extremely advantageous as light sources, but their light emission time is extremely short, making it impossible to capture afterglow. It is conceivable that a problem may arise in which the distance and direction to the beacon light cannot be accurately determined at sea where it does not exist.

For this reason, in the above-mentioned publication, a luminescent paint is applied to the lamp cover of the xenon discharge tube or the circumferential surface of the transparent globe forming the outer tube.
Alternatively, the present invention is characterized in that by mixing a luminescent substance, the above-mentioned lamp cover etc. can be made to emit light even after the xenon discharge tube has finished emitting light.

That is, since the afterglow of the luminescent paint or substance is added to the flash of the xenon flash discharge tube, the degree of recognition is extremely high, and the direction and distance can be easily determined.

However, the above-mentioned marker lights also have the following problems.

In other words, luminescent paints and luminescent substances are generally susceptible to deterioration when exposed to outside air or irradiated with sunlight, in other words, they have a short lifespan, so they cannot be used as lamp covers or transparent globes for marker lights such as those mentioned above. had to be replaced within a very short period of time, for example every year.

For this reason, the cost of the above-mentioned replacement parts is high because it involves replacing the lamp cover and transparent globe, which also fulfill their original purpose of diffusing and protecting light, and the replacement work is also troublesome. Needless to say, the cost of managing marker lights is not necessarily low, and the current situation is that they are not practical and improvements are strongly desired.

Purpose of the invention The purpose of the invention is to improve the light emission of a xenon flash discharge tube,
An object of the present invention is to provide a marker light that combines the afterglow of a luminescent substance and has extremely low management costs, thereby eliminating the problems of conventional marker lights.

Structure of the invention The marker light according to the invention includes a xenon flash discharge tube as a light source, a light emitting device consisting of an electric circuit etc. that makes the flash discharge tube emit light, and a built-in light emitting device that stores and supplies electrical energy. A light-emitting unit, a light-transmitting cylindrical cover having at least one end connected to the light-emitting unit, and a fluorescent substance and having an elastic force, disposed along the inner circumferential surface of the cylindrical cover, and disposed from the light-emitting device. and an afterglow intermediate member that leaves the light as an afterglow.

DESCRIPTION OF THE EMBODIMENTS The figure shows a front view, partially in section, of an embodiment of the marker light according to the present invention.

In the figure, 1 is a cylindrical cover made of, for example, an acrylic transparent plate, with both the outer circumferential surface and the inner circumferential surface being flat; 2;
is provided at the end of the cylindrical cover 1, holds the cylindrical cover 1 and has a light emitting device 3 inside, and further includes the light emitting device 3 such as a power supply terminal described later.
2 shows a light emitting section having a member for supplying electrical energy to the light emitting section.

As is clear from the figure, the light emitting device 3 can be broadly divided into a main body 4, a flash discharge tube 5 which is a light source, a well-known booster circuit housed in the main body 4 and used to cause the flash discharge tube 5 to emit light, and a trigger. It can be divided into an electric circuit section 6 consisting of a circuit, a main capacitor, etc., and a diffusion cover 7 that covers the flash discharge tube 5. Needless to say, 8 is a power supply terminal, a so-called base, for supplying electrical energy to the light emitting device 3, and 9 supplies electrical energy supplied from the outside through a power supply line 10 to the base 8. It shows the socket part.

Furthermore, reference numeral 11 denotes an intermediate member which is provided by coating or mixing a fluorescent substance made of a combination of fluorescent substance, pigment, and phosphor onto a transparent member having elasticity, such as a vinyl chloride plate, and is rolled into a cylindrical shape as shown in the figure. It is arranged at a position along the inner peripheral surface of the cover 1.

Reference numeral 12 indicates a connecting member that connects the cylindrical cover 1 and the light emitting section 2 together with screws 13 and nuts 14.

Note that, as is clear from the drawings, the connecting member in this embodiment also functions as a so-called mounting structure that restricts the aforementioned intermediate member 11 to a predetermined position along the inner circumferential surface of the cylindrical cover 1. .

In addition, since the intermediate member 11 has a sheet-like transparent member having elasticity as a base as described above,
Needless to say, it is extremely easy to store, and when it is installed, by rolling it up and fixing the opposite ends, it is possible to perform the installation operation extremely easily.

The configuration of the marker light according to the present invention has been briefly described above, and its operation will be described below.

Now, from the feeder line 10, for example, a very common
Assuming that 100V AC power is supplied, the electric circuit section 6 in the main body 4 of the light emitting device 3 starts operating.

That is, although not shown, an electric circuit, which is well known as the light emitting circuit of the flash discharge tube 5 and includes a booster circuit, a main capacitor, a trigger circuit, etc., starts a light emitting preparation operation.

When the flash discharge tube 5 is supplied with a trigger voltage automatically by an arbitrarily formed trigger means or by supplying a predetermined signal in a state where the electric circuit unit 6 has completed the light emission preparation operation, a flash is generated. The discharge tube 5 will emit light. When the flash discharge tube 5 emits light, the light is first diffused with predetermined characteristics by the diffusion cover 7 and emitted into the cylindrical cover 1.

As this light travels inside the cylindrical cover 1, it also reaches the inner circumferential surface of the cylindrical cover 1 via the intermediate member 11 located on the inner circumferential surface, and is emitted to the outside via this cylindrical cover 1. .

Therefore, the entire cylindrical cover 1 emits light like a light source.

Of course, since the intermediate member 11 is provided with the fluorescent material as described above, it receives light from the flash discharge tube 5 and therefore emits light even after the flash discharge tube 5 has stopped emitting light.

That is, in the marker light according to the present invention, the entire cylindrical cover 1 emits light like a light source for a predetermined period of time after the flash discharge tube 5 emits light at the same time as the flash discharge tube 5 finishes, making it an extremely highly recognizable marker light. becomes.

In the embodiment shown in the figure, the upper end of the cylindrical cover 1 in the drawing is simply covered with a flat member, but for example, the cylindrical cover may be made extremely long or the brightness may be increased. Needless to say, in order to cope with such cases, the reflective member may be replaced with a flat or curved reflecting member, or another light emitting device may be constructed.

Further, in the illustrated embodiment, power is supplied to the light emitting device 3 from the outside via the power supply line 10, but it goes without saying that the power source may be built into the light emitting unit 2. Nor.

On the other hand, regarding the management of marker lights due to deterioration of luminescent materials, etc., in the marker light according to the present invention, it is possible to simply replace the intermediate member 11 without replacing special parts such as the cover as in conventional devices. It is also clear that

Effects of the invention Since the marker lamp according to the invention has a luminescent substance that has a short life and easily deteriorates in the intermediate member, it is only necessary to replace the luminescent substance, which is extremely low cost and easy to use. It will also have the effect of increasing sex.

[Brief explanation of the drawing]

The figure is a front view including a partial cross section showing an embodiment of the marker light according to the present invention. DESCRIPTION OF SYMBOLS 1... Cylindrical cover, 2... Light emitting part, 3... Light emitting device, 5... Xenon flash discharge tube, 6... Electric circuit part, 8... Power supply terminal, 9... Socket part, 10
...Power supply terminal, 11... Sheet-like intermediate member.

Claims (1)

[Claims for Utility Model Registration] (1) A light-emitting device consisting of a xenon flash discharge tube serving as a light source and an electric circuit that causes the flash discharge tube to emit light; a light-emitting device that internally holds the light-emitting device and supplies electrical energy to it; In a marker light having a light emitting part having a member and a translucent cylindrical cover having at least one end connected to the light emitting part via a connecting means, the indicator lamp includes a fluorescent material and is arranged along the inner circumferential surface of the cylindrical cover. A marker light comprising: an intermediate member that leaves the light from the light emitting device until after the light emission ends; and a mounting configuration for mounting the intermediate member at a predetermined position on the inner circumferential surface of the cylindrical cover. (2) The intermediate member is formed by coating or mixing the fluorescent substance into a sheet-like transparent vinyl chloride sheet having elasticity, and forming the intermediate member into a cylindrical shape by rolling it and fixing both ends. A marker light according to claim 1 of the utility model registration claim. (3) The mounting structure includes a connecting member that is brought into close contact with both the cylindrical cover and the light emitting section, and a fixing member such as a screw that fixes this connecting member to the cylindrical cover and the light emitting section, and the connecting means is comprised of a connecting member that is attached to the cylindrical cover and the light emitting section. The marker light according to claim 1, which is one end of a connecting member.