JP2013008627A - Lighting fixture and street lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture that can downsize by inserting at least a part of a lighting device from an opening of a pole and accommodating it inside the pole.SOLUTION: The street lamp 10 includes a lighting fixture 11 and a pole 15 to which the lighting fixture 11 is fitted. The lighting fixture 11 includes a body having an L-shaped side face, an LED module built in a housing part of the body, and a lighting device built in a fitting part of the body. On a tip of the pole 15, there is provided an opening, from which a power source line connected to a power source outside the pole 15 is extended to the inside of the pole 15. When the lighting fixture 11 is installed to the pole 15 for use, at least a part of the lighting device is inserted from the opening of the pole 15 and is housed inside the pole 15, the fitting part of the body is mounted on the tip of the pole 15. At this time, the lighting device is connected electrically to the power source line, and power feeding is conducted from the outside power source of the pole 15 through the power source line. Thereby, the lighting device is enabled to turn on the LED module.

Description

  The present invention relates to a lighting fixture and a street lamp.

  2. Description of the Related Art Conventionally, there is a type of lighting device for a street lamp that has a built-in lighting device using an LED or an HID lamp as a light source and is attached to the tip of a pole (see, for example, Patent Document 1).

JP 2009-32468 A

  In the case of street lighting luminaires with built-in lighting devices, when miniaturizing the main body, the built-in electrical components are easily affected by the heat of the light source. It is necessary to consider the arrangement, and there is a problem that there are restrictions on high cost and designability.

  In particular, an LED having a shape smaller than that of an HID lamp can easily reduce the size of the main body. However, when the distance from the lighting device is short, the LED is easily affected by heat from the LED, and there is a problem that the merit cannot be fully utilized.

  An object of the present invention is to reduce the size of a main body of a lighting fixture, for example.

A lighting apparatus according to one aspect of the present invention includes:
It is a lighting fixture used by being attached to a pole provided with an opening at the tip,
A main body having a storage portion for storing a light source, and an attachment portion connected to the storage portion;
A lighting device that is attached to the mounting portion of the main body and lights the light source,
At least a part of the lighting device is inserted from the opening of the pole and accommodated in the pole, and the mounting portion of the main body is attached to the tip of the pole.

  According to one aspect of the present invention, since at least a part of the lighting device is inserted from the opening of the pole and stored inside the pole, the main body of the lighting fixture can be reduced in size.

1 is a perspective view of a street lamp according to Embodiment 1. FIG. FIG. 3 is a partial cross-sectional view of the street lamp according to the first embodiment. FIG. 3 is a perspective view of the lighting fixture and the pole according to the first embodiment. Sectional drawing of the lighting fixture which concerns on Embodiment 1. FIG. FIG. 3 is a partial exploded perspective view of the lighting fixture according to Embodiment 1. FIG. 3 is an exploded cross-sectional view of the lighting apparatus according to Embodiment 1. The perspective view of the street light which concerns on Embodiment 2. FIG. FIG. 4 is a partial cross-sectional view of a street lamp according to a second embodiment. The perspective view of the lighting fixture and pole which concern on Embodiment 2. FIG. Sectional drawing of the lighting fixture which concerns on Embodiment 2. FIG. FIG. 6 is a perspective view of a lighting fixture according to Embodiment 2. Sectional drawing of the lighting fixture which concerns on Embodiment 2. FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the description of each embodiment, the directions such as “up”, “down”, “left”, “right”, “front”, “back”, “front”, “back” are However, it is not intended to limit the arrangement or orientation of devices, instruments, parts, or the like.

Embodiment 1 FIG.
FIG. 1 is a perspective view of a street lamp 10 according to the present embodiment. FIG. 2 is a partial cross-sectional view of the street lamp 10.

  The street lamp 10 includes a lighting fixture 11 and a pole 15 to which the lighting fixture 11 is attached. The pole 15 is erected on the ground such as a road. For example, if the pole 15 is installed on a road, the luminaire 11 is preferably attached to the pole 15 so that the surface on which light is irradiated is located on the center side of the road from the pole 15. In the present embodiment, the pole 15 has a quadrangular prism shape, but may have another shape such as a cylindrical shape.

  FIG. 3 is a perspective view of the luminaire 11 and the pole 15. FIG. 4 is a cross-sectional view of the luminaire 11. 1 shows a state in which the lighting fixture 11 is attached to the pole 15 (the street lamp 10 is configured), but FIG. 3 shows a state before the lighting fixture 11 is attached to the pole 15 (or the pole 15). Shows the state after being removed from.

  An opening is provided at the tip (upper end) of the pole 15, and a power line 16 connected to a power supply outside the pole 15 extends from the opening to the inside of the pole 15.

  The lighting fixture 11 includes a main body 12 having a L-shaped side surface, an LED module 13 built in one side of the main body 12, and a lighting device 14 built in the other end of the main body 12.

  The main body 12 includes a storage portion 21 that stores the LED module 13, and an attachment portion 31 that is connected to the storage portion 21. In the present embodiment, the storage portion 21 has a longitudinal shape. Specifically, the storage unit 21 has a rectangular parallelepiped shape, but may have another shape such as a columnar shape or a polygonal column shape. One end (lower end) of the attachment portion 31 is opened and has a shape that can be fitted to the tip of the pole 15. In this embodiment, the tip of the pole 15 is inserted into one end of the mounting portion 31 so that the mounting portion 31 is attached to the tip of the pole 15. However, one end of the mounting portion 31 is inserted into the tip of the pole 15. Thus, the attachment portion 31 may be attached to the tip of the pole 15.

  The LED module 13 is an example of a light source, in which 12 LEDs are arranged in a line in a substantially straight line along the longitudinal direction of the storage portion 21 of the main body 12 on one substrate. In the LED module 13, the number of LEDs, the number of substrates, the LED arrangement, and the like may be changed according to the use of the lighting fixture 11. Further, instead of the LED module 13, another type of light source such as an organic EL may be used.

  The lighting device 14 is attached to the attachment portion 31 of the main body 12 and lights the LED module 13. In the present embodiment, the lighting device 14 has a longitudinal shape and is housed in the attachment portion 31 of the main body 12 such that the longitudinal direction is perpendicular to the longitudinal direction of the housing portion 21 of the main body 12. Specifically, the lighting device 14 has a rectangular parallelepiped shape, but may have another shape such as a cylindrical shape or a polygonal column shape.

  When the luminaire 11 is used by being attached to the pole 15, at least a part of the lighting device 14 is inserted from the opening of the pole 15 and accommodated in the pole 15, and the attachment portion 31 of the main body 12 is attached to the pole 15. 15 is attached to the tip. At this time, the lighting device 14 is electrically connected to the power supply line 16 and is supplied with power from the power supply outside the pole 15 via the power supply line 16. Thereby, the lighting device 14 can light the LED module 13. In the present embodiment, only a part of the lighting device 14 is accommodated in the pole 15, but the entire lighting device 14 may be accommodated in the pole 15.

  According to the present embodiment, as described above, since at least a part of the lighting device 14 is inserted from the opening of the pole 15 and stored inside the pole 15, the body 12 of the lighting fixture 11 is reduced in size. It becomes possible.

  FIG. 5 is a partially exploded perspective view of the luminaire 11. FIG. 6 is an exploded cross-sectional view of the luminaire 11. FIG. 5 shows only the storage unit 21 of the main body 12 and the LED module 13 stored in the storage unit 21.

  The main body 12 is divided into a housing part 21 of the LED module 13 and an attachment part 31 for inserting and fixing the pole 15 and is fastened by, for example, bolts and nuts (not shown).

  The storage unit 21 includes a storage unit main body unit 22 and a storage unit cover unit 23 attached to the storage unit main body unit 22. A waterproof packing or the like may be provided between the storage unit main body 22 and the storage unit cover unit 23.

  The storage unit main body 22 has a rectangular parallelepiped shape with one open surface, a storage unit main body 22a provided with a fixing hole 22d and a wire lead-in hole 22e on one end surface in the longitudinal direction, and an LED module attached to the storage unit main body 22a. It comprises a part 22b and two attachments 22c to which the storage part cover part 23 is attached. The fixing hole 22d is a hole for inserting the bolt and nut described above and fixing the storage portion 21 to the mounting portion 31. The electric wire drawing hole 22e is a hole for drawing the electric wire 41 that connects the LED module 13 and the lighting device 14. The LED module 13 (particularly a substrate) is attached to the LED module attachment part 22b so that the light emitting surface of the LED module 13 (particularly the LED) faces downward.

  The storage cover 23 includes a cover frame 23a, a square frame-shaped packing 23g attached to the inside of the cover frame 23a, a rectangular transparent cover 23b placed on the packing 23g, and the transparent cover 23g. Four support pieces 23c made of L-shaped metal fittings that support the outer periphery of the cover 23b, and four pressing pieces that are L-shaped and are fixed to the support pieces 23c by screws 23f and press the transparent cover 23b against the packing 23g. 23d and two screws 23e for fixing the cover frame 23a to the fixture 22c. The support piece 23c is attached to the cover frame 23a by spot welding, screwing, or the like.

  The portion of the attachment portion 31 that is connected to the storage portion 21 includes a fixing hole (not shown) corresponding to the fixing hole 22d of the storage portion 21, and a wire insertion hole 31a corresponding to the wire drawing hole 22e of the storage portion 21. Is provided. The fixing hole of the attachment portion 31 is a hole for fixing the attachment portion 31 to the storage portion 21 by inserting a bolt / nut inserted through the fixing hole 22 d of the storage portion 21. The electric wire insertion hole 31 a of the attachment portion 31 is a hole for inserting the electric wire 41 that is pulled out from the lighting device 14 and connected to the LED module 13 through the electric wire drawing hole 22 e of the storage portion 21. A common packing 42 is attached to the electric wire insertion hole 31 a of the attachment portion 31 and the electric wire drawing hole 22 e of the storage portion 21.

  As described above, the lower surface of the storage unit 21 is covered with the transparent cover 23 b, and there is no ingress of moisture from the attachment unit 31, so that the storage unit 21 is waterproof. However, if the LED module 13 has waterproof performance alone, it is not necessary to have this structure.

  The attachment portion 31 includes a metal fitting 31b for fixing the lighting device 14 inside. An attachment hole larger than the outer periphery (outer diameter) of the tip (upper end) of the pole 15 is provided at one end (lower end) of the attachment portion 31.

  The lighting device 14 has an outer dimension smaller than the inner circumference (inner diameter) of the tip of the pole 15, is disposed in the mounting portion 31 in the axial direction of the pole 15, and is fixed to the metal fitting 31 b. The outer shell of the lighting device 14 is constituted by a waterproof case, a waterproof packing, and the like, and the lighting device 14 is waterproof by itself. In addition, the lighting device 14 includes a lead wire 44 for connecting a power source drawn from the inside.

  When the lighting fixture 11 is attached to the pole 15, first, the lead wire 44 of the lighting device 14 is connected to the power line 16 installed in the pole 15. Next, the pole 15 is inserted from the mounting hole of the mounting portion 31. Next, the mounting portion 31 is fixed to the pole 15 by the four mounting bolts 43. At this time, a part (lower part) of the lighting device 14 fixed to the metal fitting 31 b of the attachment portion 31 is stored in the pole 15. Therefore, the main body 12 can be reduced in size.

  According to the present embodiment, since the lighting device 14 is provided in a space (attachment portion 31) that is isolated from the storage portion 21 that stores the LED module 13 and is positioned below, the LED module 13 emits when the LED module 13 is turned on. Less susceptible to heat. Furthermore, since the volume in the pole 15 in which the lighting device 14 is accommodated is larger than that of the lighting fixture 11, heat is less likely to be stored, and the temperature rise due to self-heating of the lighting device 14 can be suppressed.

  As mentioned above, in this Embodiment, while utilizing the merit that the shape of LED module 13 is small, while thinning storage part 21 of main part 12 can be achieved, since lighting device 14 is hard to be influenced by the heat of LED module 13, The distance between the LED module 13 and the lighting device 14 can be reduced, and the main body 12 can be further downsized.

  As described above, the lighting fixture 11 according to the present embodiment includes the light source (LED module 13) and the lighting device 14, and the lighting device 14 is inserted from the tip of the pole 15 into the interior when attached to the pole 15. The structure is stored. According to the present embodiment, with the structure in which the lighting device 14 is housed in the pole 15 with the lighting fixture 11 attached to the pole 15, the temperature rise due to heat from the light source can be suppressed, and heat dissipation measures The cost can be reduced by simplifying and downsizing, and the design can be improved by making the main body 12 thinner and smaller.

Embodiment 2. FIG.
In the present embodiment, differences from the first embodiment will be mainly described.

  FIG. 7 is a perspective view of the street lamp 10 according to the present embodiment. FIG. 8 is a partial cross-sectional view of the street lamp 10.

  In the present embodiment, the entire lighting device 14 is housed inside the pole 15.

  FIG. 9 is a perspective view of the luminaire 11 and the pole 15. FIG. 10 is a cross-sectional view of the luminaire 11. 7 shows a state in which the lighting fixture 11 is attached to the pole 15 (the street lamp 10 is configured), but FIG. 9 shows a state before the lighting fixture 11 is attached to the pole 15 (or the pole 15). Shows the state after being removed from.

  In the present embodiment, the length of the attachment portion 31 is shorter than that in the first embodiment, and the lighting device 14 is exposed from the attachment portion 31.

  The bracket 31b of the mounting portion 31 includes a fixing member 31c that is fixed to the inner wall of the mounting portion 31, a mounting member 31d that is mounted so that the lighting device 14 is exposed to the outside of the main body 12, and the mounting member 31d can be rotated. And a hinge 31e attached to the fixing member 31c.

  FIG. 11 is a perspective view of the lighting fixture 11. FIG. 12 is a cross-sectional view of the luminaire 11. 9 and 10 show a state in which the hinge 31e of the metal fitting 31b of the attachment portion 31 extends straight, but FIGS. 11 and 12 show a state in which the hinge 31e of the metal fitting 31b of the attachment portion 31 is bent 90 degrees. Is shown.

  For example, when the luminaire 11 is shipped, the luminaire 11 is packed in a state where the metal fitting 31b of the attachment portion 31 is bent 90 degrees, and the luminaire 31b of the attachment portion 31 is straightly extended at the time of construction. Can be attached to. By doing in this way, since the volume at the time of packing can be made small, transportation cost can be reduced.

  As described above, in the present embodiment, the lighting device 14 has a direction in which the longitudinal direction is perpendicular to the longitudinal direction of the storage portion 21 of the main body 12 and the longitudinal direction relative to the longitudinal direction of the storage portion 21 of the main body 12. Are attached to the attachment portion 31 of the main body 12 so as to be rotatable between the directions parallel to each other. According to this Embodiment, the volume at the time of packing of the lighting fixture 11 can be made small.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to these embodiment, A various change is possible as needed.

  DESCRIPTION OF SYMBOLS 10 Street light, 11 Lighting fixture, 12 Main body, 13 LED module, 14 Lighting device, 15 pole, 16 Power line, 21 Storage part, 22 Storage part main body part, 22a Storage part main body, 22b LED module attachment part, 22c Attachment 22d fixing hole, 22e electric wire lead-in hole, 23 storage part cover part, 23a cover frame, 23b transparent cover, 23c support piece, 23d pressing piece, 23e, 23f screw, 23g packing, 31 mounting part, 31a electric wire insertion hole, 31b metal fitting, 31c fixing member, 31d mounting member, 31e hinge, 41 electric wire, 42 packing, 43 mounting bolt, 44 lead wire.

Claims (5)

It is a lighting fixture used by being attached to a pole provided with an opening at the tip,
A main body having a storage portion for storing a light source, and an attachment portion connected to the storage portion;
A lighting device that is attached to the mounting portion of the main body and lights the light source,
At least a part of the lighting device is inserted from the opening of the pole and housed in the pole, and the mounting portion of the main body is attached to the tip of the pole. The storage part of the main body has a longitudinal shape,
The lighting device according to claim 1, wherein the lighting device has a longitudinal shape and is housed in the attachment portion of the main body so that the longitudinal direction is perpendicular to the longitudinal direction of the housing portion of the main body.   The lighting device according to claim 1, wherein the lighting device is attached to an attachment portion of the main body so as to be exposed to the outside of the main body. The storage part of the main body has a longitudinal shape,
The lighting device has a longitudinal shape, and a direction in which the longitudinal direction is perpendicular to the longitudinal direction of the housing portion of the main body and a direction in which the longitudinal direction is parallel to the longitudinal direction of the housing portion of the main body. The lighting fixture according to claim 3, wherein the lighting fixture is attached to the mounting portion of the main body so as to be freely rotatable. A lighting fixture according to any one of claims 1 to 4;
A street lamp comprising a pole to which the lighting fixture is attached.

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