JPH1054014A - Road reflecting mirror - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a road reflecting mirror capable of promoting eligibility efficiently in the night time, also maintaining high eligibility with contact with cars and almost eliminating maintenance. SOLUTION: A road reflecting mirror is so constituted that a back board 3 is mounted to the upper part of a bearing column 1, a mirror body 4 is provided to the front of the back board 3, at the same time, a mounting frame 5 is fixed to the peripheral edge of the back board 3 and mirror body 5 and that an eave section 6 is projected along the upper edge section of the mounting frame 5. In that case, fluorescent substance is contained in the bearing column n 1, back board 3, mounting frame 5 and the surface of the eave section 6 or the mirror body 4 or the bearing column 1, back board 3, mounting frame 5 and the surface of the eave section 6 and mirror body 4, and the fluorescent substance is excited by electromagnetic waves to emit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road reflector which is installed at an intersection with poor visibility and plays a role of traffic safety, and more particularly to an improved visibility at night.

[0002]

2. Description of the Related Art A so-called curved mirror, which is a so-called curved mirror, is provided at a corner or an intersection where visibility is difficult to see directly due to the reflection of a mirror body, and plays a role of traffic safety. I have. In such a road reflecting mirror, a retroreflective sheet is conventionally attached to a part other than the mirror body to improve the visibility at night so that its presence can be recognized even in a dark place at night. Light that is retroreflected so that it shines brightly, and a self-luminous body that electrically emits light such as a light bulb, light-emitting diode, electroluminescence or chemical light is arranged around the mirror body, and this self-luminous body is There are ones that are made to stand out by emitting light and blinking.

[0003]

However, the one to which the retroreflective sheet is adhered has a problem in durability of the reflective sheet, and is considerably damaged by contact with a vehicle or the like, and as a result, the reflective function is lost. It is often recognized, and the effect cannot be expected for a vehicle whose headlight is not turned on at twilight or twilight.

[0004] In the case where the self-luminous body is arranged, the self-luminous body is required to be arranged around the mirror body, so that a large amount of labor and cost are required for the production, and the self-luminous body is damaged by contact with a vehicle. It is easy to use, so there is a problem in durability, maintenance work such as replacement of damaged self-luminous body is difficult, and power supply equipment to make self-luminous body emit light is required. (Thousands to tens of thousands of hours), so it is necessary to periodically replace it, which is also troublesome for maintenance work.

Therefore, the present invention solves the above-mentioned problems,
An object of the present invention is to provide a road reflector that effectively improves nighttime visibility, maintains high visibility even by contact with a vehicle, and requires almost no maintenance.

[0006]

In order to achieve the above object, the present invention has the following arrangement. That is, in the road reflector according to claim 1 of the present invention, a back plate is mounted on an upper portion of the support pillar, a mirror body is provided on the front surface of the back plate, and an outer peripheral edge of the back plate and the mirror body is provided. A road reflector in which a mounting frame is fixed and an eave portion protrudes along an upper edge portion of the mounting frame, wherein a surface of the support column, the back plate, the mounting frame and the eave portion contains a fluorescent substance. In addition, the fluorescent substance is excited by an electromagnetic wave emitted from a light source to emit light.

According to a second aspect of the present invention, there is provided a road reflector, wherein a back plate is mounted on an upper portion of the support pillar, a mirror body is provided on a front surface of the back plate, and the back plate and the mirror body are connected to each other. A road reflecting mirror having a mounting frame fixed to an outer peripheral edge thereof and an eave portion protruding along an upper edge portion of the mounting frame, wherein the mirror body contains a fluorescent substance, and an electromagnetic wave emitted from a light source is provided. The fluorescent material is excited to emit light.

According to a third aspect of the present invention, there is provided a road reflector, wherein a back plate is mounted on an upper portion of the support post, a mirror body is provided on a front surface of the back plate, and the back plate and the mirror body are connected to each other. A road reflecting mirror having a mounting frame fixed to an outer peripheral edge thereof and an eave portion protruding along an upper edge portion of the mounting frame, wherein the support pillar, the back plate,
The surface of the mounting frame and the eaves and the mirror body contain a fluorescent substance, and the fluorescent substance is excited and emitted by electromagnetic waves emitted from a light source.

According to the first to third aspects of the present invention, since a fluorescent substance which is excited and emitted when receiving an electromagnetic wave emitted from a light source is contained, the wavelength for exciting the fluorescent substance is included. It shines brightly by receiving sunlight or artificial light sources that emit electromagnetic waves, and visibility is improved not only during the day but also at night.

[0010] Further, since the present invention utilizes light emission by a fluorescent substance, it is superior in durability to a conventional one to which a retroreflective sheet is adhered, and its light emission performance is extremely high even by contact with a vehicle. It is not impaired, and it can be visually recognized effectively even in vehicles where the headlights are not turned on at twilight or at twilight. Since there is no need to dispose them, they are easy to manufacture and the cost is low. In addition, fluorescent materials generally have a longer life than self-luminous bodies and do not emit light electrically, so that regular maintenance is almost unnecessary.

In addition to the above, according to the first aspect of the present invention, the surface of the support pillar, the back plate, the mounting frame and the eaves portion contains a fluorescent substance, and the whole body emits light except for the mirror body. Since the driver shines brightly, the driver can grasp the entire shape of the road reflector and easily recognize its existence. According to the present invention described in claim 2, the mirror body contains a fluorescent substance. Then, since the mirror body emits light and shines brightly, the presence of the mirror body is recognized even when the headlight of the oncoming vehicle does not hit, and according to the present invention described in claim 3, the support pillar, the back plate, Since the surface of the mounting frame and eaves and the mirror body contain a fluorescent substance, the entire body including the mirror body emits light and shines brightly. Its existence can be easily recognized together with the position.

[0012]

Next, an embodiment of the present invention will be specifically described with reference to the drawings. That is, FIG. 1 is a front view showing an embodiment of the present invention, and FIG. 2 is a partial sectional side view thereof.

In the drawings, reference numeral 1 denotes a support pillar which stands on a road surface and is made of metal such as iron, and a caution plate 2 generally labeled "Caution" is supported by a support bracket 21 at an intermediate portion thereof. Have been. Reference numeral 3 denotes a back plate made of a metal, a synthetic resin, or the like attached to the upper portion of the support column 1 by a mounting bracket 31, and 4 is a mirror made of a metal, such as stainless steel or aluminum, an acrylic resin, or a synthetic resin such as polycarbonate. And is provided on the front surface of the back plate 3. The shape of the mirror body 4 is not particularly limited, such as a circle, a square, and an ellipse.

A mounting frame 5 is fixed to the outer peripheral edge of the back plate 3 and the mirror body 4 so that the back plate 3 and the mirror body 4 are integrated with each other. An eaves 6 is provided along the upper edge of the mounting frame 5 to prevent intrusion of dust and the like.

Further, in the present invention, the support column 1,
On the surface of the back plate 3, the mounting frame 5, and the eaves 6,
Or the support pillar 1, the back plate 3, the mounting frame 5 and the surface of the eaves 6 and the mirror body 4, for example, high-temperature calcined calcium,
It contains a fluorescent substance, such as an inorganic oxide such as barium or zinc, which emits visible light by emitting the visible light when excited by receiving the energy of electromagnetic waves emitted from an external light source. That is, the fluorescent substance may be contained in the surface of the support column 1, the back plate 3, the mounting frame 5 and the eaves 6, may be contained only in the mirror body 4, or may be contained in the support column 1, the back plate. 3, mounting frame 5
And may be contained in the surface of the eaves portion 6 and the mirror 4. In addition to the above, other members such as the caution plate 2 may also contain a fluorescent substance. The method for incorporating the fluorescent substance is not particularly limited, and the fluorescent substance processed into the state of paint, pigment or dye is applied to the support pillar 1, the back plate 3, the mounting frame 5, the surface of the eaves 6 and the mirror body 4, It may be contained by appropriately painting, mixing and dyeing. The fluorescent substance may emit light in the same color as that when no electromagnetic wave is received, or may emit light in a different color. The afterglow characteristics of the fluorescent substance are not particularly limited, and may be those having a short afterglow or those having a long afterglow.

As a light source for exciting the fluorescent substance, an electromagnetic wave containing an excitation wavelength for exciting the used fluorescent substance may be emitted. Therefore, sunlight may be used in the daytime, and a vehicle headlight may be used at nighttime. However, another artificial light source may be provided so as to emit stronger electromagnetic waves. The electromagnetic wave emitted from the artificial light source may be visible light or non-visible light such as ultraviolet ray or infrared ray as long as it contains an excitation wavelength for exciting the fluorescent substance used, Χ ray, α ray, β ray, Radiation such as gamma rays may be used, and is not particularly limited. In the case of using an artificial light source, only the electromagnetic wave of the excitation wavelength may be emitted,
Electromagnetic waves other than the excitation wavelength may be mixed with the electromagnetic waves of the excitation wavelength. Further, as long as the light source can emit an electromagnetic wave having an excitation wavelength, the light source may emit only radiation, such as a radiation source. As an example of an artificial light source, if a light source that emits invisible light, such as a black light lamp that emits a large amount of ultraviolet light, is used, the brightness of the road reflector can be increased without increasing the surrounding brightness. Is enhanced, and the visibility is further improved.

[0017]

According to the first to third aspects of the present invention, since a fluorescent substance which is excited and emitted when receiving an electromagnetic wave emitted from a light source is contained, the wavelength at which the fluorescent substance is excited is contained. It shines brightly by receiving sunlight or artificial light sources that emit electromagnetic waves, and visibility is improved not only during the day but also at night.

Further, since the present invention utilizes light emission by a fluorescent substance, the present invention is superior in durability to the conventional one to which a retroreflective sheet is adhered, and its light emission performance is extremely high even by contact with a vehicle. It is not impaired, and it can be visually recognized effectively even in vehicles where the headlights are not turned on at twilight or at twilight. Since there is no need to dispose them, manufacture is easy and the cost is low. In addition, fluorescent materials generally have a longer life than self-luminous bodies and do not emit light electrically, so that regular maintenance is almost unnecessary.

In addition to the above, according to the first aspect of the present invention, the surfaces of the support pillar, the back plate, the mounting frame, and the eaves portion contain a fluorescent substance, and light is emitted entirely except for the mirror body. Since the driver shines brightly, the driver can grasp the entire shape of the road reflector and easily recognize its existence. According to the present invention described in claim 2, the mirror body contains a fluorescent substance. Then, since the mirror body emits light and shines brightly, the presence of the mirror body is recognized even when the headlight of the oncoming vehicle does not hit, and according to the present invention described in claim 3, the support pillar, the back plate, Since the surface of the mounting frame and eaves and the mirror body contain a fluorescent substance, the entire body including the mirror body emits light and shines brightly. Its existence can be easily recognized together with the position.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a partial cross-sectional side view of FIG.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 support column 2 caution plate 21 support bracket 3 back plate 31 mounting bracket 4 mirror body 5 mounting frame 6 eaves

Claims (3)

[Claims] 1. A back plate is mounted on an upper portion of a support post, a mirror is disposed on a front surface of the back plate, and a mounting frame is fixed to an outer peripheral edge of the back plate and the mirror. A road reflector having an eave portion protruding along an upper edge portion, wherein the support pillar, the back plate, the mounting frame and the surface of the eave portion contain a fluorescent substance, and the fluorescent light is emitted by an electromagnetic wave emitted from a light source. A road mirror characterized in that a substance is excited to emit light. 2. A back plate is mounted on an upper portion of the support column, a mirror body is disposed on a front surface of the back plate, and a mounting frame is fixed to an outer peripheral edge of the back plate and the mirror body. A road reflector having an eaves portion protruding along an upper edge portion, wherein the mirror body contains a fluorescent substance, and the fluorescent substance is excited and emitted by electromagnetic waves emitted from a light source. A road reflector, characterized in that: 3. A back plate is mounted on an upper portion of the support pillar, a mirror is disposed on a front surface of the back plate, and a mounting frame is fixed to an outer peripheral edge of the back plate and the mirror. A road reflector having an eave portion protruding along an upper edge portion, wherein the support pillar, the back plate, the mounting frame and the surface of the eave portion and the mirror body contain a fluorescent substance, and electromagnetic waves emitted from a light source are provided. Wherein the fluorescent substance is excited to emit light.