JP2010207188A - Ornamental cover case with light-guiding function - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ornamental cover case with a light-guiding function achieving a plant cultivation device having high flexibility in observation or appreciation, and having high ornamental properties and merchantability. <P>SOLUTION: The ornamental cover case with a light-guiding function 1 is made of transparent material, and is integrally formed into a cylindrical state having a blocked-up part 2 on one side thereof and an opening 3 on another side thereof. The blocked-up part 2 is structured to have a protruding part 6 formed toward the side of the opening 3 at its center part so that the cross sectional shape of the blocked-up part 2 is formed into an almost M-shape. Light incoming into a side wall 11 from the edge surface 9 of the opening 3 is guided to the inside of the side wall 11 while repeating total reflection between the outer wall surface 12 and the inner wall surface 13 of the side wall 11, reaches the end surface 14 of the protruding part 6, and is irradiated to the inner space covered with the ornamental cover case with a light-guiding function 1, from the end surface 14. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an ornamental cover case with a light guide function, and more specifically, a guide capable of increasing the degree of freedom of viewing by irradiating an ornamental object arranged in the internal space with the guided light. The present invention relates to an ornamental cover case with an optical function.

  Conventionally, fluorescent lamps and metal halides have been used as a method for stable plant growth by reducing the effects of environmental changes in the natural environment on plant growth, or as a method for artificially controlling plant growth to promote proper growth. There is known a method for promoting plant growth in an optical environment by artificial light from an artificial light source such as a lamp, a high-pressure sodium lamp, and an LED lamp.

  Among them, plant growth using light from LED lamps effectively utilizes the characteristics of LED lamps such as small size, light weight, low power consumption, low heat generation, and long life, thereby saving space and reducing running costs. be able to.

  Such a feature of the LED lamp is optimal for growing ornamental plants in the room, and conventionally, a plant growing apparatus 50 having a structure as shown in FIG. 5 has been proposed.

  The base 53 containing the soil 52 is provided in the lower part inside the transparent cylindrical body 51, and the plant 54 is landed on the soil 52, and the shower part 55 and the panel are provided in the upper part inside the transparent cylindrical body 51. A lid 57 provided with a light source unit 56 on which an LED lamp is mounted is attached, and water and a growth agent are sprayed on the plant 54 below and light from the LED lamp is irradiated (for example, (See Patent Document 1).

JP 2004-113160 A

  By the way, when the plant growing apparatus 50 having the above structure is intended to observe or appreciate the plant 54 from above or obliquely above, the field of view is blocked by the lid 57 located above the transparent tubular body 51 and cannot be visually recognized. The direction of observation / viewing with respect to the plant growing device 50 is restricted, and the degree of freedom of observation / viewing is restricted.

  Moreover, since the light source part 56 is located in the upper part of the transparent cylindrical body 51, the drawing of the power supply wiring for supplying power to the LED lamp of the light source part 56 impairs the appearance, This leads to a decrease in merchantability.

  Therefore, the present invention was devised in view of the above-mentioned problems, and the object is to have a light guiding function that realizes a plant growing apparatus that has a high degree of freedom of observation and appreciation and that has a high decorativeness and a high commercial value. It is to provide an ornamental cover case.

In order to solve the above problems, the invention described in claim 1 of the present invention is:
A cylindrical cover case with a light guide function that is integrally formed of a transparent material and has a closed portion on one side and an opening on the other side,
The closed portion has a substantially M-shaped cut surface when the ornamental cover case with a light guide function is cut along a plane including its central axis, and has a convex portion at the center portion toward the opening. And
Light that has entered the side wall of the ornamental cover case with a light guide function from the end surface of the opening is guided through the side wall while repeating total reflection between the outer wall surface and the inner wall surface of the side wall, and the convexity. It reaches the end face of the part, and is irradiated from the end face to the internal space covered with the ornamental cover case with a light guide function.

  Further, in the invention described in claim 2 of the present invention, in claim 1, the end surface of the convex portion is subjected to diffusion treatment, and the inner space covered with the ornamental cover case with the light guide function is provided in the interior space. Is characterized in that diffused light is irradiated from the end face.

  The ornamental cover case with a light guiding function of the present invention is integrally formed in a cylindrical shape having a closed portion on one side and an opening on the other side by a transparent material, and the cross-sectional shape of the closed portion is substantially M-shaped. It was made to have a convex part toward the opening side at the center part. The light incident on the side wall of the ornamental cover case with a light guiding function from the end surface of the opening is guided through the side wall while repeating total reflection between the outer wall surface and the inner wall surface of the side wall. Then, the inner space covered with the ornamental cover case with a light guide function is irradiated from the end face.

  As a result, when used in an ornamental device, the illumination light source is arranged below the ornamental cover case with a light guiding function, so that there is no obstruction around the ornamental cover case with the light guiding function and the light guiding function. The ornaments accommodated in the attached ornamental cover case can be viewed from any direction through the ornamental cover case with the light guide function. Therefore, it was possible to realize an appreciation device with a high degree of freedom of appreciation that has no restrictions on the viewing direction regardless of day or night.

  In addition, since it is not necessary to place a light source on the upper part of the ornamental cover case with a light guide function, it is not necessary to route power supply wiring for supplying power to the light source, and the appearance and appearance are not impaired and the product quality is good. An ornamental device could be realized.

It is explanatory drawing of embodiment which concerns on this invention. It is explanatory drawing which shows the usage example of embodiment which concerns on this invention. It is a ray tracing diagram of the embodiment concerning the present invention. It is an expansion explanatory view of an embodiment concerning the present invention. It is explanatory drawing which shows the usage example of a prior art example.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 4 (the same reference numerals are given to the same parts). The embodiments described below are preferable specific examples of the present invention, and thus various technically preferable limitations are given. However, the scope of the present invention particularly limits the present invention in the following description. Unless stated to the effect, the present invention is not limited to these embodiments.

  FIG. 1 is an explanatory diagram of an ornamental cover case with a light guide function of the present invention, FIG. 2 is an explanatory diagram showing an example of use of an ornamental cover case with a light guide function of the present invention, and FIG. The ray tracing diagram of the ornamental cover case, FIG. 4 is an enlarged explanatory view of the ornamental cover case with a light guide function of the present invention.

  As shown in FIG. 1, an ornamental cover case with a light guide function (hereinafter abbreviated as a cover case) 1 according to the present invention is integrally formed of a transparent material such as glass or resin, and has a closing portion 2 on one side. It has a cylindrical shape having an opening 3.

  On the outer surface of the closing portion 2, a recess 4 is provided on the substantially central axis X of the cover case 1 toward the opening 3. The shape of the concave portion 4 is convexly opened toward the central axis X in the direction away from the central axis X starting from the central axis X or in the vicinity of the central axis X in the direction opposite to the opening 3 direction. It consists of a rotating curved surface 5 obtained by rotating a curved line with the central axis X as a rotational axis.

  On the other hand, on the inner surface of the closing part 2, a convex part 6 directed toward the opening 3 is provided on the substantially central axis X of the cover case 1. The convex portion 6 has a curved line whose side surface shape opens in a convex manner toward the central axis X in a direction away from the central axis X from the starting point in the direction opposite to the direction of the opening 3 starting from the vicinity of the central axis X. It consists of a rotating curved surface 7 obtained by rotating the central axis X as a rotation axis.

  That is, when the cover case 1 is cut along a plane including the central axis X, the shape of the cut surface of the closing portion 2 has a substantially M shape, and the convex portion 6 that faces the opening 3 is provided at the center. It has become.

  An example in which the transparent cover case 1 having such a shape is used in an ornamental plant growing apparatus is shown in FIG.

  The configuration of the ornamental plant growing apparatus 20 is such that a plurality of LED lamps 22 as light sources are mounted at predetermined positions on the substrate 21, and the LED lamps 22 are similarly driven on the substrate 21 (lighting / extinguishing control or A drive circuit element 23 related to lighting current control and the like is mounted.

  The substrate 21 on which the LED lamp 22 and the drive circuit element 23 are mounted is accommodated in a base 24, and each LED lamp 22 is provided with an LED lamp insertion hole 25 provided at a position corresponding to each LED lamp 22 of the base 24. It is inserted inside.

  Further, a substantially annular cover case placement groove 26 is provided above the LED lamp 22 of the base 24, and the opening end portion 8 of the cover case 1 is fitted into the cover case placement groove 26 so that the base case 24 is fitted. The cover case 1 is placed on the table 24.

  And in the transparent cover case 1, the plant 30 for viewing and growing is accommodated in the state covered with the cover case 1. Therefore, under daylight sunlight or indoor lighting, the outside light is applied to the plant through the transparent cover case 1 to promote the growth of the plant 30, and the viewer grows through the transparent cover case 1. You can enjoy watching the plant 30.

  However, in an environment where there is little external light such as at night or when the indoor lighting is turned off, the growth of the plant 30 is not promoted, and it cannot be viewed because it is dark.

  Therefore, in an environment where there is little external light, the growth of the plant 30 is promoted by the light of the LED lamp 22 by turning on the LED lamp 22, and the plant 30 illuminated by the light of the LED lamp 22 is enjoyed. Can do.

  In this case, the light emitted from the lit LED lamp 22 is covered from the light incident surface 10 with the opening end surface 9 of the cover case 1 positioned above the LED lamp 22 as shown in FIG. The light enters the side wall 11 of the case 1.

  Of light incident on the side wall 11 of the cover case 1, light incident on one surface of the side wall 11, for example, the outer wall surface 12 at an angle greater than the critical angle as shown in FIG. 3 is totally reflected by the outer wall surface 12. The reflected light travels toward the other surface (inner wall surface) 13. Of the light traveling toward the inner wall surface 13, the light incident on the inner wall surface 13 at an angle greater than the critical angle is totally reflected by the inner wall surface 13 and the reflected light travels toward the outer wall surface 12. As described above, the light emitted from the LED lamp 22 and entering the side wall 11 from the light incident surface 10 is guided and blocked in the side wall 11 while repeating total reflection between the outer wall surface 12 and the inner wall surface 13. Heading to the part 2 side and reaching the tip surface 14 of the convex part 6 of the blocking part 2

  As shown in FIG. 4, the front end surface 14 of the convex portion 6 is subjected to diffusion processing such as embossing and blasting, for example, to become a light diffusing surface, and is guided through the side wall 11 to the front end surface 14. The arrived light is irradiated to the plant 30 positioned below the diffused light 16 emitted from the light emitting surface 15 with the light diffusing surface as the light emitting surface 15.

  Then, the plant 30 is irradiated with a substantially uniform amount of light as a whole, which promotes natural growth of the plant 30 and produces an attractive viewing environment with illumination that does not cause a sense of incongruity.

  By the way, there are LED lamps that emit light of various colors including white light, and the type of LED lamp to be used is appropriately selected, and depending on the case, it can be used as an interior in various lighting environments. A quaint atmosphere can be created.

  In addition, plants can be controlled for growth by increasing the growth rate, setting the flowering time, or extending the flowering period depending on the wavelength of the light emitted from the LED lamp. Therefore, by arranging a plurality of types of LED lamps and forming irradiation light of a necessary wavelength at a necessary time with monochromatic light or mixed color light, it exhibits an excellent function as a plant growing device. Become.

  The cover case of the present invention is integrally formed of a transparent material, and when used in an ornamental device, an LED lamp that serves as an illumination light source is disposed below the cover case, thereby blocking the view around the cover case. In addition, the ornaments accommodated in the cover case can be viewed through the cover case from all directions. Therefore, it is possible to realize an appreciation device with a high degree of freedom of appreciation that does not restrict daytime and nighttime viewing directions.

  In addition, since it is not necessary to arrange a light source at the top of the cover case, it is not necessary to route power supply wiring for supplying power to the light source, and an ornamental device with good decoration and merchandise that does not impair the appearance is realized. Become.

  Note that the ornaments housed in the cover case are not limited to plants, and the above-described effects are sufficiently exerted if the ornamental objects such as various figures and various precious metals are used.

DESCRIPTION OF SYMBOLS 1 Ornamental cover case with a light guide function 2 Blocking part 3 Opening part 4 Recessed part 5 Rotating curved surface 6 Convex part 7 Rotating curved surface 8 Opening end part 9 Opening end face 10 Light incident surface 11 Side wall 12 Outer wall surface 13 Inner wall surface 14 Tip surface DESCRIPTION OF SYMBOLS 15 Light emission surface 16 Diffuse light 20 Ornamental plant growing apparatus 21 Board | substrate 22 LED lamp 23 Drive circuit element 24 Base 25 LED lamp insertion hole 26 Cover case mounting groove 30 Plant

Claims (2)

A cylindrical cover case with a light guide function that is integrally formed of a transparent material and has a closed portion on one side and an opening on the other side,
The closed portion has a substantially M-shaped cut surface when the ornamental cover case with a light guide function is cut along a plane including its central axis, and has a convex portion at the center portion toward the opening. And
Light that has entered the side wall of the ornamental cover case with a light guide function from the end surface of the opening is guided through the side wall while repeating total reflection between the outer wall surface and the inner wall surface of the side wall, and the convexity. An ornamental cover case with a light guide function, which reaches the end surface of the part and is irradiated from the end surface to the interior space covered with the ornamental cover case with a light guide function.   The end surface of the convex portion is subjected to diffusion treatment, and diffused light is irradiated from the end surface to the internal space covered with the ornamental cover case with a light guide function. Ornamental cover case with light guiding function.

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