JP3132453U - Illumination lens - Google Patents

Abstract

[PROBLEMS] To increase the number of light sources such as miniature light bulbs, which increases the cost, and there are concerns about damage to miniature bulbs and LED glass bulbs, and leakage of electricity when the waterproof structure is insufficient.
The light source includes a light bulb, an LED, and the like, a cover body that is detachably attached to the light source, and a diffusing lens that is provided on the cover body. The light source 1 mainly uses an LED, and a high-intensity LED or miniature bulb may be used depending on the application. The cover main body 2 holds the diffusing lens 3 so as to maintain a predetermined distance from the light source 1, and is formed from transparent or translucent glass or a synthetic resin material. The diffuser lens 3 is mainly a Fresnel lens, but a cubic lens, a parabolic lens, a prism lens, or a micro prism lens whose surface shape protrudes in a tetra or prism shape may be used.
[Selection] Figure 2

Description

  The present invention relates to an illumination lens capable of diffusing a light source such as a light emitting diode (hereinafter simply referred to as LED) several times, and more specifically, it can increase the brilliant illumination effect even with a small number of light sources, The present invention relates to a useful illumination lens that can greatly reduce costs, and also eliminates concerns such as uneven brightness, light source damage, and electric leakage.

Illumination used to illuminate illuminated objects such as trees for Christmas trees and the walls of houses, so that support lines are symmetrically overlapped by a single insulating film having a predetermined width The inner part of the wrapped insulating film is bonded, while the outer part of the overlapping insulating film has two conductors bonded in parallel in the length direction. The insulating film with a supporting wire is sandwiched between the anode and the cathode which are the legs of the LED and connected to two conductors, and the light emitting part of the LED is covered with an insulating resin (Patent Document) 1).
JP-A-8-160895

  However, in the illumination disclosed in the above-mentioned JP-A-8-160895, since LEDs are used as a light source, a certain degree of decoration effect can be obtained in the dark, but a large number of LEDs are simply continuously connected. Since it is merely turned on or blinked, there is a problem that the change is small and lacks in preference, and a novel illumination effect cannot be obtained.

  In particular, illumination composed of multiple LEDs mounted on the same or parallel surface has a narrow directivity compared to decorative lamps composed of light bulbs that emit light when energized. There are disadvantages such as

  Furthermore, in these illuminations, hundreds, thousands, and tens of thousands of light bulbs and LEDs are used to create a glamorous light tunnel with graceful designs and patterns, graceful curved light trees, and more. Although the structure of the brilliant light is created and the viewer is invited to the world of dreams and illusions, the number of light sources such as light bulbs increases, and the cost increases, and light bulbs and LEDs There are fears of breakage of glass balls, leakage of electricity when the waterproof structure is insufficient.

  The present invention has been made in view of such conventional problems. By diffusing a single light source several times, a more brilliant illumination effect can be obtained with a small number of light sources, and the cost can be greatly reduced. Another object of the present invention is to provide an illumination lens that can be reduced, and also eliminates concerns such as uneven brightness, damage to the light source, and electric leakage.

  In order to solve the conventional problems as described above and achieve the intended purpose, the structure of the present invention includes a cover body that is detachably attached to a light source such as a miniature light bulb, an LED, and the like. The illumination lens comprises a diffusion lens provided.

  The cover main body may include a bush externally mounted on a light source such as a miniature light bulb and an LED, and a cover receiver connected to the bush to hold the diffusion lens and / or the cover main body.

  The diffusing lens may be a Fresnel lens, a cubic lens, a parabolic lens, or a micro prism lens whose surface shape protrudes in a tetra or prism shape.

  The present invention is configured as described above, and includes a cover body that is detachably attached to a light source such as a miniature light bulb and an LED, and a diffusion lens provided on the cover body, so that light emitted from the light source can be emitted. By transmitting through the diffusing lens, a plurality of light sources are projected on the lens surface, so that it is possible to shine more brilliantly even with a small number of light sources.

  In addition, the cover body includes a bush externally mounted on a light source such as a miniature light bulb and an LED, and a cover receiver connected to the bush to hold the diffusion lens and / or the cover body. There is an effect that it is possible to provide a useful illumination lens that can wipe out fears such as breakage and electric leakage.

  The diffusing lens is a Fresnel lens, cubic lens, parabolic lens, or micro prism lens whose surface shape protrudes in a tetra or prism shape, so that the light source can be diffused. There is an effect that you can add interest.

  In this way, the illumination lens of the present invention has a simple structure and is suitable for mass production, and can be supplied to consumers as a low price. There is.

  A light source such as a miniature light bulb, an LED, a cover main body that is detachably mounted on the light source, and a diffusion lens provided on the main body of the cover; It is preferable to include a bush that is externally mounted on the light source, and a cover receiver that is connected to the bush and holds the diffusing lens or the cover body.

  Next, a first embodiment of the present invention will be described with reference to FIG. In the drawing, A is an illumination lens according to the present invention. As shown in FIG. 1, the illumination lens A includes a light source 1 composed of a miniature light bulb, an LED, and the like, and a cover body that is detachably attached to the light source 1. 2 and a diffusion lens 3 provided on the cover main body 2.

  The light source 1 mainly uses an LED, and a high-intensity LED or a miniature bulb may be used depending on the application.

  The cover body 2 holds the diffusing lens 3 so as to keep a predetermined distance from the light source 1, and is formed of, for example, transparent or translucent glass or synthetic resin material.

  The cover body 2 includes a bush 2a that is externally mounted on the light source 1, and a cover receiver 2b that is connected to the bush 2a and holds the cover body 2.

  The diffusion lens 3 is formed by engraving concentric lens grooves in a transparent or translucent sheet material. The diffusion lens 3 is mainly a Fresnel lens, but other than that, a cubic lens, a parabolic lens, a prism lens, or a micro prism lens whose surface shape protrudes in a tetra or prism shape may be used.

Next, a second embodiment of the present invention will be described with reference to FIGS. In order to facilitate understanding, the same parts as those in the first embodiment described above are denoted by the same reference numerals, and only parts having different configurations will be described with new numbers.

  In the figure, reference numeral 2 denotes a cover main body formed by integrally forming the cover receiver 2b shown in the first embodiment, and is formed in a tapered shape so as to gradually increase in diameter as it goes up.

Next, a third embodiment of the present invention will be described with reference to FIGS. In order to facilitate understanding, the same parts as those in the first embodiment described above are denoted by the same reference numerals, and only parts having different configurations will be described with new numbers.

In the figure, reference numeral 2 denotes a cover body formed in a cylindrical shape from a transparent or translucent synthetic resin material, and an annular protrusion 2b ₁ is formed on the cover receiver 2b so that the cover body 1 can be fitted. .

Next, a fourth embodiment of the present invention will be described with reference to FIGS. In order to facilitate understanding, the same parts as those in the first embodiment described above are denoted by the same reference numerals, and only parts having different configurations will be described with new numbers.

  In the figure, reference numeral 2 denotes a cover body for holding the diffusing lens 3, which has a thin vertical groove on the surface (hereinafter referred to as a knurled type), and is formed so as to be fitted into the cover receiver 2 b in a crimped state. ing.

Next, a fifth embodiment of the present invention will be described with reference to FIG. In order to facilitate understanding, the same parts as those in the first embodiment described above are denoted by the same reference numerals, and only parts having different configurations will be described with new numbers.

  In the figure, reference numeral 2 denotes a knurled cover main body formed in a cylindrical shape, and is bonded to the cover receiver 2b.

  The illumination lens of this embodiment configured as described above has six light beams emitted from one light source 1 transmitted through the diffusion lens 3, so that the surface of the diffusion lens 3 has six as shown in FIG. 10. The light sources 1a, 1a,... Are projected so that even a small number of light sources 1 can shine brilliantly. In other words, by diffusing one light source 1 six times, a more brilliant illumination effect can be enhanced. Cost can be greatly reduced.

  Further, since the bush 2a, the cover receiver 2b, and the diffusing lens 3 are mounted on the outer periphery of the light source 1, it is possible to wipe out fears such as breakage of the light source 1 and electric leakage.

  The illumination lens of the present invention is not limited to this embodiment, and can be freely modified within the scope of the purpose of the present invention. The present invention encompasses all of them.

  For example, in this embodiment, the illumination lens A is attached to each of the light sources 1, but the present invention is not limited to this, and the light sources 1 such as a plurality of LEDs may be attached so that they can be mounted together. The shape of the bush 2a, the cover receiver 2b and the cover body 2 may be imitated in the form of petals, flowers, hearts, stars, constellations, dolls, character dolls, etc. May be.

  Further, in order to improve the visibility of the diffusing lens 3, for example, a micro prism lens or a prism type ultra-high brightness reflection sheet may be used instead of the Fresnel lens used in this embodiment.

For example, a microprism lens is a cube corner prism (single layer structure) with ultra-precision (7400 array per 1 cm ² ), and has excellent durability such as being resistant to rubbing, scratching, and impact.

  Moreover, the cube corner prism that constitutes the micro prism lens reflects light incident from the light source on the three surfaces of the prism. Therefore, compared to the conventional glass beads (effective retroreflection: 1/3 [33%]). Because it effectively returns to the light source (effective retroreflective rate 3/4 [75%]), visibility is good even with a small amount of light, and since there is no irregular reflection, glare at short distances can be prevented, Since the perspective can also be visually recognized, the directivity when using a plurality of LEDs can be widened, and the luminance of the emitted color can be varied depending on the viewing angle, so that the illumination effect can be further improved.

It is a front view which shows 1st Example of the illumination lens which concerns on this invention. It is a longitudinal cross-sectional view which shows 1st Example of the illumination lens. It is an assembly exploded perspective view showing the 2nd example of the illumination lens. It is an assembly exploded front view showing the 2nd example of the illumination lens. It is an assembly exploded perspective view showing the 3rd example of the illumination lens. It is an assembly exploded front view showing the 3rd example of the illumination lens. It is an assembly exploded perspective view showing the 4th example of the illumination lens. It is an assembly exploded front view showing the 4th example of the illumination lens. It is an assembly exploded perspective view showing the 5th example of the illumination lens. It is explanatory drawing which shows the spreading | diffusion state of the illumination lens.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Light source 2 Cover body 2a Bush 2b Cover receiver 2b ₁ Annular protrusion 3 Diffuse lens

Claims (3)

  An illumination lens comprising: a cover body that is detachably attached to a light source such as a miniature light bulb or an LED; and a diffusion lens provided on the cover body.   The cover body includes a bush mounted on a light source such as a miniature light bulb or an LED, and a cover receiver connected to the bush to hold the diffusion lens and / or the cover body. The illumination lens according to claim 1.   3. The illumination lens according to claim 1, wherein the diffusion lens is a Fresnel lens, a cubic lens, a parabolic lens, or a microprism lens whose surface shape protrudes in a tetra or prism shape. 4.

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