JP2022042653A - Lighting device - Google Patents

Abstract

To provide a lighting device which cannot only light a periphery of a pole but also properly radiate light targeting at an object spaced away from the pole, for example, a tree.SOLUTION: In a lighting device 1, cylindrical units 3, 5, 7 are stacked in a cylinder length direction so as to be rotatable in a circumferential direction. One of the units 3, 5, 7 is a lighting unit 3. The lighting unit 3 includes: a housing 32 having a side surface opening 323 on a side surface; and a light source part 311 housed in the housing. The light source part 311 may rotate in a direction perpendicular to the cylinder length direction so that a part thereof is exposed from the side surface opening 323.SELECTED DRAWING: Figure 1

Description

There is an application for exception of loss of novelty

The present invention relates to a lighting fixture.

As one of the outdoor lighting, a columnar pole lamp having a light emitting part at the upper part has been widely used for irradiating trees and the like. Further, Patent Document 1 discloses a technique in which a lighting fixture can be attached to an upper portion of a power pole to be buried and erected in the ground.

Japanese Unexamined Patent Publication No. 11-243629

However, the above technique only illuminates the surroundings of the pole, and cannot properly irradiate an object away from the pole, such as a tree.

The present invention has been made in view of the above problem, and is to provide a lighting fixture capable of not only illuminating the surroundings of a pole but also appropriately illuminating an object away from the pole, such as a tree. With the goal.

In order to solve the above problems, the mode according to the present invention is a lighting fixture in which a plurality of tubular units are rotatably rotated in the circumferential direction and are stacked in the length direction of the cylinder, and the plurality of units of the plurality of units are stacked. One is a lighting unit, wherein the lighting unit includes a housing having a side opening on a side surface and a light source unit accommodated inside the housing, and the light source unit is formed from the side opening. The gist is that it is a luminaire that can rotate in a direction perpendicular to the length direction of the cylinder so that a part of it is exposed.

With the above configuration, it is possible not only to illuminate the surroundings of the pole, but also to appropriately illuminate an object away from the pole, such as a tree. In addition, due to the substantially cylindrical appearance similar to a general outdoor pole lamp, when multiple lighting fixtures with the same exterior shape are erected in a row, there is a sense of harmony and unity in the landscape, and the design and landscape. Has the effect of improving the appearance in.

(A) is a front view of the lighting fixture 1 according to the first embodiment of the present invention, and (b) is a perspective view seen from diagonally upper right. (A) Front view of the top unit 3 according to the first embodiment of the present invention, (b) sectional view of FIG. 2 (a) seen from the direction of AA, (c) perspective view seen from diagonally upper right. , (D) is a perspective view seen from an oblique upper right direction when the spotlight portion 31 is tilted at 160 °. (A) Front view of the intermediate unit 5 according to the first embodiment of the present invention, (b) sectional view of FIG. 3 (a) seen from the direction of AA, (c) perspective view seen from diagonally upper right. Is. (A) A schematic diagram showing a cross section of a sliding contact portion between the top unit 3 and the intermediate unit 5 according to the first embodiment of the present invention, (b) a sliding contact portion between the intermediate unit 5 and the base unit 7. It is a schematic diagram which shows the cross section of. (A) A schematic diagram showing the appearance of a sliding contact portion between the top unit 3 and the intermediate unit 5 according to the first embodiment of the present invention, (b) a sliding contact portion between the intermediate unit 5 and the base unit 7. It is a schematic diagram which shows the appearance of. It is sectional drawing which shows the electrical connection of the top unit 3, the intermediate unit 5, and the base unit 7 which concerns on 1st Embodiment of this invention.

<1. First Embodiment>
<1.1. Overview>
Hereinafter, the lighting fixture according to the first embodiment of the present invention will be described with reference to the drawings. Here, a lighting unit and a base unit as an example of the unit will be described, and further, a top unit and an intermediate unit as an example of the lighting unit will be described.

The lighting fixture 1 according to the first embodiment of the present invention is a metal, cylindrical outdoor pole lamp, and is a lighting fixture installed on the ground or the like. As shown in FIG. 1A, when the lighting fixture 1 is installed on the ground, the lighting fixture 1 is buried in the ground below the GL (ground). Further, as shown in the figure, the luminaire 1 is configured by stacking the top unit 3, the intermediate unit 5, and the base unit 7 in this order from above.

The top unit 3 and the intermediate unit 5 have a lighting function. The base unit 7 accommodates the power supply wiring, and the portion below the GL is buried in the ground, so that the entire lighting fixture 1 stands on the ground.

The top unit 3 and the intermediate unit 5 can rotate in the circumferential direction with respect to the base unit 7 with respect to the vertical central axis of the cylinder. Also, each unit is separable.

In the first embodiment, the number of intermediate units 5 is one, but two or more may be used, and the intermediate units 5 may or may not be inserted. Further, the shape is not limited to a cylinder, and may be a polygonal cylinder.

<1.2. Top unit>
As shown in FIG. 2A, the top unit 3 has a substantially cylindrical appearance, and includes a spotlight portion 31 and a cover portion 32 having a lighting function. The spotlight portion 31 is housed inside the cover portion 32.

<1.2.1. Cover>
As shown in FIGS. 2B and 2C, the cover portion 32 includes a cylindrical portion 321 as a housing having a side opening portion 323, and a pedestal portion 324 for fixing the spotlight portion 31, and has an upper end. (Upper end) is provided with a removable translucent plate 322.

The cover portion 32 fixes and physically protects the spotlight portion 31, and is connected to the intermediate unit 5 in combination, and at the same time, has the same appearance shape due to a substantially cylindrical appearance similar to that of a general outdoor pole lamp. When a plurality of lighting fixtures 1 are erected in a row, there is a sense of harmony and unity in the landscape, and it has the effect of improving the appearance in the design and the landscape.

In the first embodiment, the upper end cross-sectional portion 325 of the cover portion 32 is inclined by 10 ° with respect to the horizontal plane as shown in FIG. 2 (b), but may be horizontal.

Since the upper end (above the end) of the cylindrical portion 321 has translucency regardless of the presence or absence of the translucent plate 322, light can be irradiated upward. The filter characteristics of the translucent plate 322 are arbitrary.

<1.2.2. Spotlight section>
As shown in FIGS. 2B and 2C, the spotlight portion 31 has a light source 314, a socket 315, a power supply wiring 38d, a rotating portion 312, and a translucent cover 317 in a cylindrical housing 311. It is a light source unit provided with.

The light source 314 is a light bulb type LED lamp having a base, and is fixed to the socket 315 fixed to the socket fixing portion 316.

The power supply wiring 38d coming out of the socket 315 goes out below the pedestal part 324 through the space inside the rotating part 312.

The translucent cover 317 is a translucent cover such as glass, and the filter characteristics are arbitrary. The spotlight portion 31 is watertight, and the light source 314 is mainly protected from the intrusion of water.

As shown in FIGS. 2 (c) and 2 (d), the spotlight portion 31 has an optical axis of 0 ° to 160 with respect to the side opening 323 with the fulcrum 313 as the axis with the optical axis in the vertical upward direction as a reference. It can rotate in the direction perpendicular to the length of the cylinder within the range of °. Here, the rotation axis of the fulcrum 313 is a direction perpendicular to the length direction of the cylinder. FIG. 2 (c) shows a state of 0 °, that is, a state of no rotation, and FIG. 2 (d) shows a state of rotation of 160 °.

The rotating portion 312 is arranged unevenly in the direction of the side opening portion 323 from the position of the vertical central axis of the pedestal portion 324 of the cover portion 32, and makes it possible to widen the range of rotation of the spotlight portion 31. .. The position of the rotating portion 312 is not limited to this, and can be changed, for example, by arranging the rotating portion 312 in the central portion of the pedestal portion 324.

Further, the top unit 3 is rotatable in the circumferential direction with respect to the base unit 7 with respect to the vertical center axis. By rotating in these two directions, the spotlight portion 31 can freely change the irradiation direction within the movable range, and can effectively irradiate an object such as a tree.

<1.3. Intermediate unit>
The intermediate unit 5 is a unit having the same diameter as the top unit 3 and the base unit 7, and is inserted between the top unit 3 and the base unit 7.

As shown in FIG. 3A, the intermediate unit 5 includes a cylindrical portion 52 having an irradiation window 51. A light source 53, a reflector 54, a power supply unit 55, an upper power supply wiring 58u, and a lower power supply wiring 58d are housed inside the cylindrical portion 52.

The power supply for lighting the light source 53 is supplied from the outside via the lower power supply wiring 58d and the power supply unit 55. The upper power supply wiring 58u is used as a feed wiring for supplying power to the top unit 3.

Like the top unit 3, the intermediate unit 5 can rotate and move in the circumferential direction with respect to the center axis perpendicular to the base unit 7, and the irradiation direction can be adjusted within the range of the rotation movement.

The intermediate unit 5 is set to irradiate the ground with light through the irradiation window 51 by the action of the light source 53 and the reflector 54. Although the irradiation windows 51 are provided at two locations facing each other on the side surfaces of the cylindrical portion 52, they may be provided at one location or at three or more locations.

<1.4. Base unit>
As shown in FIG. 1 (b), the base unit 7 includes a cylindrical housing 72 and two skein rods 73. The housing 72 is provided with two power supply holes 71.

The power supply hole 71 is used when the power supply wiring is drawn into the base unit 7. The skein rod 73 has a function of fixing the base unit 7 so that it does not tilt when it is erected on the ground.

The base unit 7 is a unit for passing power wiring in order to supply power to the intermediate unit 5 and the top unit 3, is arranged below the top unit 3 and the intermediate unit 5, and is fixedly installed on the ground.

<1.5. Unit connection (assembly)>
<1.5.1. Mechanical connection>
FIG. 4B is a schematic view showing a cross section of a sliding contact portion between the intermediate unit 5 and the base unit 7. Further, FIG. 5B is a schematic view showing the appearance of the sliding contact and fitting portion between the intermediate unit 5 and the base unit 7.

As shown in FIG. 4 (b), the upper end 72u of the base unit 7 is processed so as to have a smaller diameter than the outer diameter of other parts of the base unit 7 and to have a convex shape. , A fixing groove 72 m is provided.

On the other hand, as shown in FIG. 5B, the fitting lower portion 52d, which is the lower end of the intermediate unit 5, is provided with two fixing screw holes 52a, and the fixing screw holes 52a are provided with fixing screws. Is screwed. The lower part 52d of the intermediate unit 5 is in sliding contact with the upper part 72u of the base unit 7.

The intermediate unit 5 rotates in the circumferential direction with respect to the base unit 7 with respect to the base unit 7 only by sliding contact, but is not fixed. After deciding the position of the intermediate unit 5 in order to fix the intermediate unit 5, pass the fixing screw through the two fixing screw holes 52a and screw the fixing screw into the fixing groove 72m of the mating upper portion 72u. Hold it down so that the part fits. As a result, the intermediate unit 5 is fixed so as not to fall off or rotate from the base unit 7.

FIG. 4A is a schematic view showing a cross section of a sliding contact portion between the top unit 3 and the intermediate unit 5. Further, FIG. 5A is a schematic view showing the appearance of the sliding contact fitting portion between the top unit 3 and the intermediate unit 5.

As shown in FIG. 4A, the combined upper portion 52u, which is the upper end of the intermediate unit 5, is processed so that the diameter is smaller than the outer diameter of the other parts of the intermediate unit 7 and the combined convex shape is formed. , A fixing groove 52 m is provided.

On the other hand, as shown in FIG. 5A, the lower end 32d of the top unit 3 is provided with two fixing screw holes 32a, and the fixing screw holes 32a are provided with fixing screws. Is screwed. The combined lower portion 32d of the top unit 3 is in sliding contact with the combined upper portion 52u of the intermediate unit 5.

The top unit 3 rotates in the circumferential direction with respect to the intermediate unit 5 with respect to the intermediate unit 5 only by sliding contact, but is not fixed. After deciding the position of the top unit 5 in order to fix the top unit 3, pass the fixing screws through the two fixing screw holes 32a and screw the fixing screws into the fixing groove 52m of the mating upper portion 52u. Hold it down so that the part fits. As a result, the top unit 3 is fixed so as not to fall off or rotate from the intermediate unit 5.

The lighting fixture 1 has the same structure of the upper part of the fitting in each of the top unit 3, the intermediate unit 5, and the base unit 7, and by making the structure of the lower part of the fitting the same, the top unit 3 and the base unit 7 have the same structure. The intermediate unit 5 can be freely replaced between the two, and variations of lighting fixtures having different light distributions can be provided.

<1.5.2. Electrical connection>
As shown in FIG. 6, the top unit 3 includes a lower power supply wiring 38d. The lower power supply wiring 38d includes a power supply line 38dl and a ground wire 38de, and a waterproof connector 38dc is connected to the tip thereof.

The intermediate unit 5 includes a lower power supply wiring 58d and an upper power supply wiring 58u. The lower power supply wiring 58d includes a power supply line 58dl and a ground wire 58de, and a waterproof connector 58dc is connected to the tip thereof. On the other hand, the upper power supply wiring 58u includes a power supply line 58ul and a ground wire 58ue, and a waterproof connector 58uc is connected to the tip of these lines.

The upper power supply wiring 58u of the intermediate unit 5 is a feed wiring from the intermediate unit 5 to the top unit 3. A waterproof connector 38 dc and a waterproof connector 58 uc are connected for electrical connection between the top unit 3 and the intermediate unit 5.

The lower power supply wiring 58d of the intermediate unit 5 is connected to the power supply wiring drawn from the power supply hole 71 of the base unit 7.

By using the waterproof connector for the electrical connection in this way, the construction can be simplified and the construction time can be shortened. The power supply method may be a connector connection using a waterproof connector or the like, or a direct connection using a lead wire.

<2. Modification example>
In the first embodiment, a lighting unit having a spotlight on the top unit 3, a lighting unit illuminating the ground on the intermediate unit 5, an embedded type base unit 7, and a cylindrical appearance are used. As an example, each unit can be changed. It will be described below with an example.

<2.1. Base unit>
In the first embodiment, the base unit 7 uses an embedded type corresponding to the installation by embedding, but the present invention is not limited to this, and any form that can be erected on the ground is sufficient. For example, it may be a direct mounting type directly attached to the ground, fixed by spikes, or an embedded connection box.

<2.2. Intermediate unit>
In the first embodiment, the intermediate unit 5 shows an example of a lighting unit having a function of irradiating the ground, but the present invention is not limited to this, and it is sufficient if the outer shape of the cross section is the same as that of the base unit 7.
For example, in the case of a lighting unit, the direction of irradiation and the number of light sources are arbitrary, and in addition to the wash light distribution that illuminates the ground, the elevation angle light distribution and the all-around diffuse light distribution may be used.

At this time, the lighting unit used for the intermediate unit may have a structure in which the cover portion used in the top unit 3 is provided with a side opening and the spotlight portion rotates.

Further, the intermediate unit may be a functional unit having a function other than lighting. The functional unit is, for example, a wireless unit, a sensor unit, a branch box unit, an outlet box unit, or the like.

Further, the intermediate unit 5 may be a spacer unit having no electrical function such as a lighting unit or a functional unit. The total height of the luminaire 1 can be changed according to the height of the spacer unit.

Each of these units can be replaced as an intermediate unit, or a plurality of units can be inserted.

<2.3. Top unit>
In the first embodiment, the light source portion of the top unit 3 is exposed to the outside of the cylindrical housing due to the vertical rotation of the rotating portion, but the present invention is not limited to this, and the light source portion is movable and is cylindrical. It suffices to be exposed to the outside of the shaped housing. For example, the rotating portion may be rotated horizontally with respect to the pedestal portion, or may be movable by a ball joint. At this time, the rotating portion was fixed to the pedestal portion, but it is sufficient if the rotating portion is fixed to the inside of the housing. For example, it may be fixed to the side surface of the housing.

Further, the light source used is a light bulb type LED lamp, but the light source is not limited to this, and a light source function is sufficient. For example, it may be an LED joule or an organic EL having no base.

<2.4. Common to all units>
In the first embodiment, the appearance is cylindrical, but the present invention is not limited to this, and a tubular shape is sufficient. For example, it may have a polygonal cylinder shape such as an octagon.

<3. Extraction of invention>
Hereinafter, a configuration of a lighting fixture as an embodiment of the present invention, a modification thereof, and an effect thereof will be described.

(1) The luminaire according to an embodiment of the present invention is a luminaire in which a plurality of tubular units are rotatably rotated in the circumferential direction and are stacked in the length direction of the cylinder, and the plurality of units are stacked. One of the lighting units is a lighting unit, which includes a housing having a side opening on the side surface and a light source unit accommodated inside the housing, and the light source unit is from the side opening. , It can rotate in the direction perpendicular to the length direction of the cylinder so that a part of it is exposed.

According to this configuration, it is possible to appropriately irradiate an object away from the pole, for example, a tree or the like. In addition, due to the substantially cylindrical appearance similar to a general outdoor pole lamp, when multiple lighting fixtures with the same exterior shape are erected in a row, there is a sense of harmony and unity in the landscape, and the design and landscape. It can have the effect of improving the appearance in.

(2) Further, one end of the lighting unit may have translucency, and the light source may be capable of irradiating the length direction of the cylinder through the one end.

According to this configuration, the object above the pole can be appropriately irradiated.

(3) The plurality of units may include a lighting unit different from the lighting unit, and the other lighting unit may irradiate light from an irradiation window provided on a side surface.

According to this configuration, it is possible to irradiate the surroundings of the pole at the same time as irradiating the object away from the pole.

(4) The light source portion may be provided with a rotating portion, and the rotating portion may be arranged biased toward the side opening portion with respect to the center of the cylinder.

According to this configuration, by expanding the movable range of the light source unit, it is possible to irradiate a wider range of objects.

(5) One of the units may be provided with a terminal for feed wiring to the lighting unit.

According to this configuration, when a plurality of units are stacked, the construction time can be shortened.

As described above, it goes without saying that the present invention includes various embodiments not described here. Therefore, the technical scope of the present invention is defined only by the matters specifying the invention relating to the reasonable claims from the above description.

1 Lighting equipment 3 Top unit 5 Intermediate unit 7 Base unit 31 Spotlight part 32 Cover part 32a Fixing screw hole 32d Combined lower part 38d Power supply wiring 38d Lower power supply wiring 38dc Waterproof connector 38de Earth wire 38dl Power supply line 51 Irradiation window 52 Cylindrical part 52a Fixing screw hole 52d Alignment lower part 52m Fixing groove 52u Alignment upper part 53 Light source 54 Reflector 55 Power supply unit 58d Lower power supply wiring 58dc Waterproof connector 58de Earth wire 58dl Power supply line 58u Upper power supply wiring 58uc Waterproof connector 58ue Wire 71 Power supply hole 72 Housing 72m Fixing groove 72u Alignment upper part 73 Negative bar 311 Housing 312 Rotating part 313 Supporting point 314 Light source 315 Socket 316 Socket fixing part 317 Translucent cover 321 Cylindrical part 322 Translucent plate 323 Side opening Part 324 Pedestal part 325 Upper end cross section

Claims (5)

A lighting fixture in which a plurality of cylindrical units are stacked in the length direction of the cylinder so as to be rotatable in the circumferential direction.
One of the plurality of units is a lighting unit.
The lighting unit is
A housing with side openings on the sides,
A light source unit housed inside the housing is provided.
The light source unit is a lighting fixture that can be rotated in a direction perpendicular to the length direction of the cylinder so that a part of the light source unit is exposed from the side opening. One end of the lighting unit is translucent and
The luminaire according to claim 1, wherein the light source portion can irradiate the length direction of the cylinder through the one end portion. The plurality of units include a lighting unit different from the lighting unit.
The lighting fixture according to claim 1, wherein the other lighting unit irradiates light from an irradiation window provided on a side surface. The light source unit includes a rotating unit and has a rotating unit.
The luminaire according to claim 1, wherein the rotating portion is arranged biased toward the side opening side with respect to the center of the cylinder. The luminaire according to claim 1, wherein one of the units is provided with a terminal for feed wiring to the luminaire.

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