JP6683478B2 - Lighting equipment - Google Patents

Description

  The present invention relates to a lighting device, and more particularly, to a lighting device suitable for use in an external structure of a building such as a house.

  Conventionally, as a lighting device for exterior construction, a so-called pole lamp, a foot lamp, etc., which are so-called pole lights, a pillar having a hollow structure that is erected upright with the lower end supported on the ground, and a light source built in the upper end of the pillar are provided. A light emitting section having a light emitting section and a lamp body that is integrally attached to the upper end of the column and irradiates light emitted from the light source of the light emitting section in a radial direction around an axis extending in the up-down direction of the column. (For example, see Patent Document 1).

  In addition, it is formed by using a transparent member such as resin or glass in a cylindrical shape, and the lamp body main body that is arranged by connecting the lower end to the upper end of the column, and a reflective layer such as a reflective plate on the lower surface. In some cases, the lamp body is configured with a cap portion integrally attached to the upper end portion of the lamp body portion.

  In a lighting device including such a lamp body, the light emitted from the light source of the light emitting unit is reflected by the reflective layer of the cap unit and is radiated around the lighting unit through the lamp body unit. In addition, depending on the angle of the reflection layer, light can be emitted to the surrounding ground below the illumination device (lower light distribution) to brightly illuminate the feet of passersby and the like.

JP, 2002-260410, A

  However, in the above-described conventional exterior lighting device, there is room for improvement in terms of design, because the thickness of the cap portion is large and the reflecting plate is visible from the side. In addition, the light source can be seen from the side through the transparent lamp body, which also leads to deterioration in design.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a lighting device that has a good appearance and is capable of appropriately emitting light.

  In order to achieve the above object, the present invention provides the following means.

An illuminating device of the present invention includes a light source, and a lamp body which is disposed above the light source and transmits and reflects the light emitted from the light source to irradiate the light to the outside. A block body made of solid glass that transmits the light emitted from the lamp body; and a reflector portion that reflects the light that has passed through the lamp body and is incident in a desired direction, and the lamp body The main body is formed with a concave portion on the upper surface, the reflector portion is integrally provided by engaging with the concave portion of the lamp main body portion, and the concave portion of the lamp main body portion has an axial center extending vertically. The reflector portion is formed so as to be inclined upward as it goes outward in the radial direction. The reflector part is The lower surface is formed as a convex arcuate surface having the same radius of curvature and the recessed circular surface of the recess, the thickness thereof as it goes from the axis center radially outward is formed so as to be small, the upper surface of the reflector portion Is formed in a substantially flat shape, and the thickness of the reflector portion is formed to be substantially the same as the depth of the recess .

  In the present invention, a reflector having a concave portion on the upper surface and reflecting the light emitted from the light source and transmitted through the lamp body portion to the outside in the concave portion of the solid glass lamp body portion formed in a block shape. Since the portions are engaged and provided integrally, it is possible to prevent the reflector portion (cap portion) from being largely exposed when viewed from the side. This makes it possible to improve the appearance of the lighting device.

  Further, since the lamp body main body is formed of solid glass in a block shape, the light reflected by the reflector portion can be suitably emitted to the outside through the lamp body main body. Further, since the lamp body is made of solid glass in a block shape, it is possible to prevent the light source from being seen from the side through the lamp body, which makes it possible to improve the appearance of the lighting device. Become.

Further , since the recess of the lamp body is formed with a recessed surface that inclines upward as it extends radially outward from the center of the axis that extends in the vertical direction, the reflector is formed so as to engage with this recess. The reflector portion can be formed such that the thickness of the reflector portion becomes smaller toward the radially outer side of the center of the axis. Thereby, the reflector portion can be surely prevented from being largely exposed when viewed from the side, and the appearance can be improved.

  Further, since the reflector portion is provided so as to be engaged with the concave portion so that the reflecting surface of the reflector portion is along the concave surface of the concave portion of the lamp body portion, the light incident from the light source is provided on the concave surface of the concave portion of the lamp body portion. And, it is possible to accurately reflect the desired range of the lower light distribution according to the angle of the reflecting surface of the reflector portion, and to illuminate a desired range of the ground in the circumferential direction centered on the axis of the lighting device, preferably brightly. Will be possible.

Furthermore, in the lighting device of the present invention, a light control unit for eliminating uneven illuminance of the light reflected by the reflecting surface between the concave surface of the concave portion of the lamp body and the reflecting surface of the reflector for reflecting the light. More preferably, the reflector portion also serves as a cap portion that forms an upper end portion of the lamp body .

  Here, when the reflecting surface of the reflector portion is formed in a mirror-like shape by, for example, plating, slight unevenness in the mirror-like reflecting surface causes unevenness in the illuminance of the light irradiated to the outside.

  On the other hand, in the present invention, between the concave surface of the concave portion of the lamp body portion and the reflecting surface of the reflector portion that reflects light, for example, a light control portion (a light control portion made of white paint using titanium oxide as a white pigment) is used. By providing the light layer) and allowing the light reflected by the reflecting surface of the reflector portion to pass through the light control portion, it becomes possible to eliminate unevenness in the illuminance of the light radiated to the outside. Thereby, it becomes possible to irradiate light more suitably.

  In addition, in the lighting device of the present invention, the light source is built into the upper end portion side, and a strut to which the lamp body is fixedly mounted is provided at the upper end portion, and the strut has a mirror-like outer surface. It is more desirable that it is formed.

  In the present invention, by providing the lamp body at the upper end portion of the pillar, the position of the lamp body can be adjusted according to the length of the pillar. Even if the pillar is provided in this way, by forming the outer surface of the pillar to be a mirror surface, the surrounding scenery is reflected on the outer surface of the pillar, and the pillar is assimilated to the surrounding environment, scenery and situation. Can be made. As a result, the presence of the support columns can be prevented from being conspicuous (prominent) with respect to the surroundings, and the appearance and versatility of the lighting device can be significantly improved.

  Furthermore, in the lighting device of the present invention, it is desirable that the upper surface of the reflector section be formed in a convex shape.

  According to the present invention, since the upper surface of the reflector portion arranged at the uppermost part of the lighting device is formed in a convex shape such as a convex arc surface shape, even when the lighting device is provided on the outside, rainwater is not provided. Etc. can be prevented from accumulating in the upper part.

  In addition, in the lighting device of the present invention, the lamp body main body is formed with an engaging recessed portion that is recessed from the outer surface to the inside at the lower end side, and with which a fastening screw for holding the lamp body main body is engaged. Is desirable.

  In the present invention, for example, when attaching a lamp body to a socket portion to which a light source such as an LED is attached, a fastening screw is screwed from the outside of the socket portion with the lower end side of the lamp body body fitted to the socket portion. By engaging the tip of this fastening screw with the engaging recess of the lamp body, the lamp (lamp body) can be easily and surely positioned and attached to the light source at a predetermined position. it can.

  ADVANTAGE OF THE INVENTION According to the illuminating device of this invention, it is possible to provide the illuminating device as a foot lamp, a pole lamp, etc. which is good-looking and which can irradiate light suitably.

It is a front view showing the illuminating device concerning one embodiment of the present invention, and is an illuminating device provided with the columnar pillar. It is a disassembled perspective view of the illuminating device shown in FIG. It is sectional drawing of the illuminating device shown in FIG. It is sectional drawing of the illuminating device shown in FIG. FIG. 2 is a half cross-sectional view showing a lamp body of the lighting device shown in FIG. 1. It is a front view showing the illuminating device concerning one embodiment of the present invention, and is an illuminating device provided with the prismatic pillar. It is a disassembled perspective view of the illuminating device shown in FIG. It is sectional drawing of the illuminating device shown in FIG. It is sectional drawing of the illuminating device shown in FIG. FIG. 7 is a half sectional view showing a lamp body of the lighting device shown in FIG. 6.

  Hereinafter, an illumination device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 10.

  Here, in the present embodiment, the lighting device according to the present invention is, for example, a lighting device for an exterior structure with a lower light distribution, which can be installed, for example, on a side portion of an outdoor passage to brightly illuminate the foot of a passerby. Will be described as.

  Specifically, as shown in FIGS. 1 to 4 (FIGS. 6 to 9), the lighting device A according to the present embodiment has a hollow strut 1 and a light source 2a that are vertically erected with their lower ends supported on the ground. And a built-in light emitting part 2 on the upper end 1a side of the support column 1 and a light source 2a of the light emitting part 2 which is integrally attached to the upper end part 1a of the support column 1 and extends in the vertical direction an axis O1. The lamp body 3 for irradiating the (post 1) in the radial direction is provided.

  The column 1 is formed in a columnar shape having a circular cross section (cylindrical shape: FIGS. 1 to 4) or a polygonal prism shape having a cross section such as a quadrangle or a triangle (square tube shape: FIGS. 6 to 9). In addition, the pillar 1 of the present embodiment is formed by mirror-finishing (mirror-like) the outer surface.

  The light emitting portion 2 is configured to include a socket portion 2b formed in a substantially cylindrical shape for attaching to the upper end portion 1a of the support column 1, and a light source 2a such as an LED attached integrally to the socket portion 2b. Then, the light emitting portion 2 supports the socket portion 2b inside the pillar 1 while passing the wiring through the hollow portion of the pillar 1, and fixes the socket portion 2b to the pillar 1 by a screw 1b (a screw hole 1c) screwed from the outside of the pillar 1. As a result, the upper end portion 1a of the support column 1 is provided so as to emit light upward from the light source 2a.

  As shown in FIG. 5, FIG. 1 to FIG. 4 (FIG. 10 (FIG. 6 to FIG. 9)), the lamp body 3 includes a lamp body main part 3a made of compressed and molded block-shaped solid glass, and a lamp body 3a. A reflector portion (cap portion) 3b integrally attached to the upper end portion of the body main body portion 3a, and a dimming portion 3c interposed between the upper surface of the lamp body main portion 3a and the reflector portion 3b are provided. There is.

  The lamp body main body 3a made of block-shaped solid glass is provided on the lower end side, and is provided above the fixing portion 4 and a fixing portion 4 for inserting and fixing from the upper end portion 1a of the column 1. It is formed by including a main body portion 5 disposed above the upper end portion 1a of the column 1. Further, the fixed portion 4 is provided with an annular engagement concave portion 4a which is recessed in the radial direction around the axis O1 extending in the vertical direction and is connected in the circumferential direction.

  Then, in the present embodiment, the fixing portion 4 is inserted into the socket portion 2b, and the fastening screw 2c is screwed in from the outside of the socket portion 2b so that the tip end portion of the fastening screw 2c engages with the engaging recess 4a of the fixing portion 4. By combining, the lamp body 3a (lamp 3) can be detachably fixed to the socket portion 2b and further to the upper end portion 1a of the column 1.

  In addition, in the present embodiment, a substantially cylindrical packing 2d is attached to the upper end side of the socket portion 2b, and the packing 2d is provided between the fixing portion 4 (engaging recess 4a) of the lamp body portion 3a and the socket portion 2b. The main body 3a of the lamp body is integrally attached to the socket 2b so as to be interposed in the socket.

  Next, the main body portion 5 has a concave portion 6 formed at the upper end portion (upper surface) thereof, and the concave portion 6 is provided with a concave surface 6a that is inclined upward as it extends radially outward from the center of the axis O1 extending in the vertical direction. Is formed. In the present embodiment, the concave portion 6 is formed with a concave arc surface (6a) having a predetermined radius of curvature centered on the axis O1 extending in the vertical direction.

  The concave portion 6 may be formed in a concave conical shape centered on the axis O1, for example. Further, the radius of curvature of the concave arc surface and the angle of the concave conical surface are respectively the range (the range of the lower light distribution in the present embodiment) irradiated from the lamp body portion 3a to the outside of the center of the axis O1 and / or the lamp body. It is appropriately set depending on whether or not the part 3a can be molded.

  The reflector portion 3b doubles as a cap portion forming the upper end portion of the lamp body 3, and reflects the light emitted from the light source 2a and transmitted through the block-shaped lamp body body portion 3a made of solid glass in a desired direction. It is provided to be engaged with a recess 6 formed at the upper end of the lamp body 3a and integrally fixed.

  The lower surface of the reflector portion 3b of this embodiment is formed as a convex arc surface 7 having a radius of curvature equivalent to that of the concave arc surface (6a) of the concave portion 6, and the upper surface thereof is formed as a convex arc surface or a substantially flat surface. The thickness is formed so as to decrease radially outward from the center of the axis O1. That is, the reflector portion 3b is provided in such a manner that the reflecting surface 7 for reflecting light is engaged with the concave portion 6 along the concave surface 6a of the concave portion 6 of the lamp body 3a.

  Further, the reflector portion 3b of the present embodiment is formed in a predetermined shape using a resin such as ABS, and the surface (lower surface and upper surface) thereof is formed by plating such as silver plating. As a result, the reflector portion 3b has a radius of curvature equivalent to that of the concave arc surface 6a of the lamp body portion 3a, and the convex arc-shaped lower surface engaging with the concave arc surface 6a so as to come into surface contact with the mirror surface is plated. Finished and mirror-finished to form a reflecting surface 7.

  The light control section 3c is interposed between the upper surface of the lamp body section 3a and the reflector section 3b, at least a part of the light generated from the light source 2a is transmitted, and the light reflected by the reflection surface 7 of the reflector section 3b. To allow the light to be radiated substantially uniformly in the circumferential direction around the center of the axis O1 while eliminating the uneven illuminance of the light reflected by the reflecting surface 7 of the reflector portion 3b.

 In the present embodiment, the light control section 3c is provided by, for example, applying white paint containing titanium oxide as a pigment to the concave surface 6a of the lamp body section 3a or the reflecting surface 7 of the reflector section 3b. The reflector portion 3b is integrally attached to the lamp body portion 3a by using an adhesive.

  Next, the operation and effect of the illumination device A of the present embodiment having the above configuration will be described.

  First, in the lighting device A of the present embodiment, the fixing portion 4 of the lamp body 3 (lamp body portion 3a) is attached by covering the packing 2d, the fixing portion 4 is fitted into the socket portion 2b, and the fastening screw 2c is screwed and fixed. The lamp body 3 is integrally attached to the light emitting portion 2 by engaging / holding the engaging concave portion 4a of the portion 4.

  As described above, the tip of the fastening screw 2c is engaged with the engaging recess 4a of the lamp body 3a so that the lamp 3 is attached to the light emitting portion 2, so that the lamp 3 can be easily attached to the light source 2a. In addition, it is possible to reliably position and attach it at a predetermined position.

  Next, while passing the wiring inside the support 1, the light emitting part 2 to which the lamp body 3 is attached is inserted from the upper end of the support 1 and supported at a predetermined position. Further, by screwing the screw 1b (the screw hole 1c) from the outside of the support column 1, the light emitting part 2 and thus the lamp body 3 is fixedly attached to a predetermined position of the upper end portion of the support column 1.

  As described above, by attaching and fixing with the screw fastening, the lamp body 3 can be securely fixed and attached, and the attachment / detachment can be easily performed, and the maintainability and the like can be significantly improved.

  In addition, the lighting device A of the present embodiment is provided with a lamp body main body 3a made of block-shaped solid glass, and a concave arc-shaped concave portion 6 is provided at the upper end of the lamp body main body 3a. The reflector portion 3b is provided like the cap portion by engaging with 6.

  The lower surface of the reflector portion 3b is formed as a convex circular arc surface having a radius of curvature equivalent to that of the concave circular arc surface (6a) of the concave portion 6, and the thickness thereof becomes smaller as it goes radially outward from the center of the axis O1. Is formed. Therefore, when the lamp body 3a is viewed from the lateral direction, the very thin reflector portion 3b is exposed at the upper part of the lamp body 3a, and the cap portion having a large thickness is exposed as in the conventional case. It becomes possible to significantly improve the design of the lighting device A as compared with the case where the lighting device A is installed.

  Further, since the upper surface of the reflector portion 3b is formed in a convex arc surface shape (convex shape), rainwater and the like do not collect on the upper portion, and the upper surface of the reflector portion 3b is formed by plating. The appearance of the upper part of the lighting device A can be improved.

  Next, the pillar 1 is installed upright at a predetermined position with the light emitting section 2 and the lamp body 3 attached, and the wiring is connected to a power source to cause the light source 2a of the light emitting section 2 to emit light and emit light. You can

  On the other hand, in the lighting device A of the present embodiment, the light emitted from the light source 2a of the light emitting unit 2 passes through the lamp body main body 3a made of block-shaped solid glass and is formed into the recess formed at the upper end of the lamp body main body 3a. The dimmer portion 3c laminated on the concave arc surface (6a) of 6 is irradiated.

  Further, since the light control section 3c is a white paint containing titanium oxide or the like that uniformly reflects light of a wide range of wavelengths, for example, some light is transmitted through the light control section 3c while other light is reflected. To do.

  Further, the light that has passed through the light control section 3c is irradiated to the mirror-finished and processed reflection surface 7 of the reflector section 3b to be reflected, and then passes through the light control section 3c again.

  At this time, since the concave arc surface (6a) of the concave portion 6 formed at the upper end of the lamp body 3a and the reflecting surface 7 of the reflector portion 3b are each formed with a predetermined radius of curvature, the light control portion 3c and the reflector are formed. The light reflected by the portion 3b is applied as a lower light distribution to a desired range in the radial direction and the circumferential direction centering on the axis O1 of the support column 1, and this desired range can be illuminated.

  Here, when the reflecting surface 7 of the reflector portion 3b is formed in a mirror surface shape by plating or the like as in the present embodiment, the light emitted to the outside is uneven in illuminance due to a slight distortion of the mirror surface reflecting surface 7. May occur.

  On the other hand, between the concave surface 6a of the concave portion 6 of the lamp body 3a and the reflecting surface 7 of the reflector portion 3b that reflects light, a light control portion (light control light) made of white paint using titanium oxide as a white pigment is used. When the layer) 3c is provided, the light reflected by the reflecting surface 7 of the reflector portion 3b is transmitted through the dimming portion 3c, so that it is possible to eliminate the uneven illuminance of the light emitted to the outside. Thereby, it becomes possible to irradiate light more suitably.

  Further, in the illumination device A of the present embodiment, the lamp body 3 is configured by using the lamp body main body 3a made of block-shaped solid glass, so that when the light source 2a is viewed from the side of the lamp body 3, Since the lamp body 3a is made of solid glass, the light source 2a cannot be seen (cannot be seen). As a result, the appearance of the lighting device A can be further improved.

Further, in the illuminating device A of the present embodiment, the column 1 is formed in a columnar shape having a circular cross section or a polygonal prismatic shape such as a square or triangular cross section, and the outer surface thereof is mirror-finished / mirror-finished. Is formed.
For this reason, the surrounding scenery is reflected on the outer surface of the pillar 1, and the pillar 1 can be assimilated to the surrounding environment, scenery and situation. As a result, it is possible to prevent the presence of the pillar 1 and thus the lighting device A from being conspicuous (conspicuous) with respect to the surroundings, and it is possible to significantly improve the appearance and versatility of the lighting device A.

  Although one embodiment of the illumination device according to the present invention has been described above, the present invention is not limited to the above-described one embodiment, and can be appropriately modified without departing from the spirit of the present invention.

  For example, in the present embodiment, the light control section 3c is provided between the concave surface 6a of the recess 6 of the lamp body section 3a and the reflection surface 7 of the reflector section 3b that reflects light. Instead of being provided, the light may be reflected and emitted only by the reflection surface 7 on the lower surface of the reflector portion 3b.

1 Support 1a Upper end 1b Screw 1c Screw hole 2 Light emitting part 2a Light source 2b Socket part 2c Fastening screw 2d Packing 3 Lamp 3a Lamp body 3b Reflector 3c Light control part 4 Fixing part 4a Engagement recess 5 Body 6 recess 6a concave surface 7 reflective surface A lighting device O1 axis

Claims (4)

A light source; and a lamp body which is disposed above the light source, transmits the light emitted from the light source, reflects the light, and irradiates the light to the outside.
The lamp body includes a block-shaped lamp body main body made of solid glass that transmits light emitted from the light source, and a reflector portion that reflects light incident through the lamp body main body in a desired direction. Prepare,
Further, the lamp body portion is formed with a recess on the upper surface, and the reflector portion is integrally provided by engaging with the recess portion of the lamp body portion,
The concave portion of the lamp body is formed with a concave surface that inclines upward as it extends outward in the radial direction about the axis extending vertically.
The reflector portion is provided in such a manner that a reflecting surface that reflects light is engaged with the concave portion along the concave surface of the concave portion of the lamp body portion,
The reflector portion has a lower surface formed as a convex circular arc surface having a radius of curvature equivalent to that of the concave circular arc surface of the concave portion, and is formed such that the thickness thereof decreases from the center of the axis toward the radial outside .
An illumination device , wherein an upper surface of the reflector portion is formed in a substantially flat shape, and a thickness of the reflector portion is formed to have a size substantially equal to a depth of the recess . The illumination device according to claim 1,
Between the concave surface of the concave portion of the lamp body portion and the reflection surface that reflects the light of the reflector portion, a dimming portion that eliminates uneven illuminance of the light reflected by the reflection surface is provided .
The said reflector part is an illuminating device which serves also as the cap part which forms the upper end part of the said lighting body . The illumination device according to claim 1 or 2,
An illumination device in which the light source is built in at an upper end portion side, and a pillar on which the lamp body is fixedly mounted is provided at the upper end portion, and the pillar is formed by mirroring at least a part of an outer surface thereof. The illumination device according to any one of claims 1 to 3 ,
The lighting device is formed such that a lower end side of the lighting body main body is recessed inward from an outer surface, and an engaging concave portion with which a fastening screw for holding the lighting main body is engaged.

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