JP2017204369A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure a sufficient circulation amount of air passing through a luminaire body of a luminaire.SOLUTION: In a luminaire 10, a first through-hole 28 is provided at a bottom surface 42 opposing to an open surface 41 of a luminaire body 12. A light source unit 14 is mounted on a position different from the position in which the first through-hole 28 of the bottom surface 42 of the luminaire body 12 is provided. A first decorative material 51 extends toward an inside surface 43 of the luminaire body 12 from a position coming into contact with the light source unit 14 passing between the open surface 41 of the luminaire body 12 and the first through-hole 28. Between an end 53 on the side farther from the light source unit 14 of the first decorative material 51 and the inside surface 43 of the luminaire body 12, a first gap 55 is provided. A corner part 43 of the inside surface 44 of the luminaire body 12 and a standing part 57 of the first decorative material 51 prevent the first through-hole 28 from being seen through the first gap 55 from the open surface 41 of the luminaire body 12.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a lighting device.

  In the illuminating device described in Patent Literature 1, an air conditioning duct hole is provided on the ceiling side of the lamp. In this lighting device, air is circulated between the air conditioner installed on the back of the ceiling and the living room through a space that extends from the gap between the side wall of the lamp and the reflector provided in the lamp to the air conditioning duct hole. It is supposed to let you.

JP 2008-210562 A

  In the illuminating device described in Patent Document 1, since both the side wall of the lamp and the reflecting plate are substantially flat, in order to prevent the through hole on the top surface of the lamp from being seen from the room, the side wall of the lamp The gap between the reflector and the reflector must be narrowed, and there is a risk that a sufficient amount of air flow cannot be secured.

  It is an object of the present invention to ensure a sufficient amount of air flowing through the fixture body of the lighting device.

A lighting device according to one embodiment of the present invention includes:
An instrument body having a box shape in which one surface is opened, and a through-hole serving as an outlet for airflow is provided on the bottom surface facing the opened surface;
A light source unit attached to a position different from the position where the through hole is provided on the bottom surface of the instrument body;
Extending from the position in contact with the light source unit to the inner surface of the instrument body through the open surface of the instrument body and the through hole, the end on the side far from the light source unit and the interior of the instrument body And a decorative material provided with a gap serving as an inlet for the airflow between the side surface,
At least one of the inner side surface of the appliance body and the end of the cosmetic material on the side far from the light source unit is a protrusion that blocks the through-hole from seeing through the gap from the opened surface of the appliance body. Is provided.

  In the present invention, the through-hole on the bottom surface of the instrument body is seen from the open surface of the instrument body by the convex portions provided on at least one of the inner side surface of the instrument body and the end of the decorative material far from the light source unit. That is blocked. For this reason, while concealing the through-hole on the bottom surface of the fixture body, the gap between the inner surface of the fixture body and the end of the decorative material far from the light source unit is widened to reduce the amount of air flowing through the fixture body of the lighting device. It can be secured sufficiently.

1 is a perspective view of a lighting device according to Embodiment 1. FIG. FIG. 2 is an exploded perspective view of the lighting device according to Embodiment 1. The (a) top view and (b) sectional drawing of the illuminating device which concern on Embodiment 1. FIG. FIG. 3 is a perspective view of the light source unit according to Embodiment 1. FIG. 3 is an exploded perspective view of the lighting apparatus according to Embodiment 1. The elements on larger scale of FIG. The (a) top view of the illuminating device which concerns on the modification of Embodiment 1, and (b) sectional drawing. The (a) top view of the illuminating device which concerns on Embodiment 2, and (b) sectional drawing. The (a) top view and (b) sectional drawing of the illuminating device which concern on Embodiment 3. FIG. (A) Top view and (b) Sectional drawing of the illuminating device which concerns on the modification of Embodiment 3. FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals. In the description of the embodiments, the description of the same or corresponding parts will be omitted or simplified as appropriate. Further, in the description of the embodiment, the arrangement or orientation such as “top”, “bottom”, “left”, “right”, “front”, “back”, “front”, “back” is for convenience of explanation. It is only described as such, and does not limit the arrangement or orientation of devices, instruments, components, and the like. The material, shape, size, and the like of the configuration of the apparatus, instrument, component, etc. can be changed as appropriate within the scope of the present invention.

Embodiment 1 FIG.
This embodiment will be described with reference to FIGS.

*** Explanation of configuration ***
With reference to FIG. 1, FIG. 2, and FIG. 3, the structure of the illuminating device 10 which concerns on this Embodiment is demonstrated.

  FIG. 1 is a view of the illumination device 10 as viewed from obliquely below. FIG. 2 is an exploded view of the illumination device 10 of FIG. FIG. 3A is a view of a part of the illumination device 10 as viewed from above. FIG. 3B is a view showing a longitudinal section of the illumination device 10. In the description of the present embodiment, the direction of “upward”, “downward”, “side”, “front”, “backward”, “diagonally upward”, “diagonally downward” indicates that the lighting device 10 is on the ceiling. Shows direction when attached. Although lighting device 10 is attached to the system ceiling in the present embodiment, it may be attached to a ceiling other than the system ceiling, or may be attached to a mounted portion other than the ceiling, such as a wall.

  The lighting device 10 includes a lighting fixture 11 and a light source unit 14. The lighting fixture 11 includes a fixture body 12, a fixture 13, a first decorative material 51, and a second decorative material 52. That is, the lighting device 10 includes a fixture main body 12, a light source unit 14, a fixture 13, a first decorative material 51, and a second decorative material 52.

  The instrument body 12 may have any shape, but in the present embodiment, the instrument body 12 has a long shape having a length dimension larger than a width dimension. Although the height dimension of the instrument main body 12 may be an arbitrary dimension, in this Embodiment, it is smaller than a width dimension. The width dimension is a dimension in the width direction X. The length dimension is a dimension in the length direction Y. The height dimension is a dimension in the height direction Z.

  The first decorative material 51 and the second decorative material 52 are attached to the inside of the instrument main body 12 so as to be aligned in the width direction X. The first decorative material 51 and the second decorative material 52 may be any shape that can be attached to the instrument main body 12, but in the present embodiment, the length dimension is larger than the width dimension according to the shape of the instrument main body 12. It is large and long. The first decorative material 51 and the second decorative material 52 have shapes that are line-symmetric with each other in the width direction X.

  The fixture 13 is attached to the outside of the instrument body 12. The number of fixtures 13 may be any number, but in the present embodiment, it is two. In this embodiment, the lighting device 10 is attached to the system ceiling by hooking the fixture 13 on the ceiling frame of the system ceiling. As will be described later, a mounting portion other than the system ceiling is secured by a fixture such as a bolt. It may be attached to.

  The light source unit 14 is attached to the inside of the instrument main body 12 so as to be positioned between the first decorative material 51 and the second decorative material 52. Although the light source unit 14 may be fixed to the instrument main body 12 so that it cannot be attached or detached, in this Embodiment, it is attached to the instrument main body 12 so that attachment or detachment is possible. The light source unit 14 may be any shape that can be attached to the instrument body 12, but in the present embodiment, the light source unit 14 has a long shape that is longer than the width dimension in accordance with the shape of the instrument body 12. .

  The configuration of the light source unit 14 will be described with reference to FIGS. 3 and 4.

  FIG. 4 is a view of the light source unit 14 as viewed obliquely from above.

  The light source unit 14 includes a light source unit 30, a holding unit 31, a cover unit 32, a light source lid unit 33, a connecting unit 34, and a lighting device 35.

  The light source unit 30 emits light. In the present embodiment, the light source unit 30 includes a plurality of LEDs 18 and a substrate 19 on which the plurality of LEDs 18 are mounted. The substrate 19 is formed in an elongated shape so that the longitudinal direction substantially coincides with the longitudinal direction of the instrument body 12 in a state where the light source unit 14 is mounted on the instrument body 12. The LEDs 18 are arranged on the substrate 19 so as to be arranged linearly along the longitudinal direction of the substrate 19. Instead of the LED 18, other types of solid light emitting elements such as an organic EL and a laser diode may be used. The number of solid state light emitting elements is not limited to a plurality, and may be one.

  The holding unit 31 holds the light source unit 30 on the light source installation surface 15 that is one side, and holds the lighting device 35 on the holding unit back side 16 that is another side. In the present embodiment, the holding part 31 has a longitudinal shape. The holding portion 31 includes a rectangular plate-like bottom wall portion 36 to which the light source portion 30 is attached, and side wall portions 37 that protrude vertically from both sides in the longitudinal direction of the bottom wall portion 36. That is, the holding portion 31 has a bottom wall portion 36 whose one surface is the light source installation surface 15 and another one surface is the holding portion back surface 16, and a side wall portion 37 that rises from both sides of the other one surface. Not only the lighting device 35 but also the connecting portion 34 is disposed on the holding portion back surface 16 opposite to the light source installation surface 15 on which the light source portion 30 of the bottom wall portion 36 is attached.

  The cover part 32 is attached to the side where the light source installation surface 15 of the holding part 31 is provided and covers the light source part 30. The cover part 32 emits the light emitted from the light source part 30 from the light emitting surface 17 exposed to the outside. In the present embodiment, the cover portion 32 has a longitudinal shape. The cover part 32 is arranged in the optical axis direction of the light source part 30 and protrudes in a direction away from the light source part 30, and is formed on both sides of the first curved part 38 so as to approach the light source part 30. And a second curved portion 39 that is recessed. The first curved portion 38 is formed in an arc shape in cross section. The first bending unit 38 controls the light distribution by diffusing the light emitted from the light source unit 30. The second bending portion 39 is pinched and held by an operator when the light source unit 14 is attached or detached. Further, the cover portion 32 has a U-shaped cross section, is formed at the end of the second bending portion 39, and has a connecting portion 40 fixed to the holding portion 31 so as to sandwich the holding portion 31 from the side wall portion 37 side. Have. The cover part 32 is formed of a resin material that can be extruded. As the resin material, polycarbonate (PC) or the like is used. The cover portion 32 may have a function of converting the wavelength of light.

  The light source lid part 33 closes the openings formed at both ends in the longitudinal direction of the holding part 31 and the cover part 32.

  The connecting portion 34 is a metal fitting for fixing the light source unit 14 to the instrument body 12. The connecting portion 34 is perforated. The connecting portion 34 is fixed to two places on the bottom wall portion 36 of the holding portion 31 with screws.

  The lighting device 35 supplies power to the light source unit 30. Thereby, the lighting device 35 lights the light source unit 30. Specifically, the lighting device 35 turns on the light source unit 30 by converting AC power from a commercial power source input via the appliance main body 12 into DC power and supplying the DC power to the light source unit 30. Let Although not shown, the lighting device 35 includes a lighting circuit unit that converts AC power into DC power. The lighting circuit unit is housed in a box-shaped case of the lighting device 35.

  With reference to FIG. 5, the structure of the lighting fixture 11 is demonstrated.

  FIG. 5 is an exploded view of the lighting fixture 11 of FIG.

  As described above, the lighting fixture 11 includes the fixture main body 12, the fixture 13, the first decorative material 51, and the second decorative material 52.

  The instrument main body 12 includes an inner wall 21, an outer wall 22, a bottom wall 23, and a lid portion 24.

  The inner wall 21 and the outer wall 22 are provided in pairs so as to extend in the longitudinal direction of the instrument body 12. A space surrounded by the paired inner wall 21 and bottom wall 23 is a space for storing the light source unit 14, the first decorative material 51, and the second decorative material 52.

  The bottom wall 23 is provided so as to extend in the longitudinal direction of the instrument body 12. A spring portion 25 and a terminal block 26 are attached to one surface of the bottom wall 23. A first decorative material 51 and a second decorative material 52 are also attached to one side of the bottom wall 23. A space surrounded by the first decorative material 51, the second decorative material 52, and the bottom wall 23 is a space for housing the lighting device 35. The fixture 13 is attached to another side of the bottom wall 23. The bottom wall 23 is provided with a fixing hole 20 for fixing the instrument body 12 to the attached portion with a fixing tool such as a bolt, a drawing hole 27 for drawing an electric wire connected to a commercial power source, and an air conditioner. A first through hole 28 and a second through hole 29 are provided for circulating air between the ceiling and the room. In the present embodiment, since the lighting device 10 is fixed to the system ceiling by the fixture 13, the fixing hole 20 may not be provided.

  The lid portions 24 are provided at both ends in the longitudinal direction of the instrument main body 12 so as to extend in the short direction of the instrument main body 12. The lid 24 closes the openings formed at both ends in the longitudinal direction of the inner wall 21, the outer wall 22 and the bottom wall 23.

  The terminal block 26 is connected to an electric wire drawn from the drawing hole 27 and supplies electric power supplied from a commercial power source to the lighting device 35. For this purpose, the terminal block 26 is connected to the lighting device 35 via a power feeding wire.

  One spring portion 25 is arranged near both ends in the longitudinal direction of the instrument body 12 on the bottom wall 23. The spring portion 25 has a tip portion bent and a middle portion curved. The installation location of the spring portion 25 in the bottom wall 23 corresponds to the installation location of the connecting portion 34 in the bottom wall portion 36 of the holding portion 31.

  Here, a method of attaching the light source unit 14 to the instrument body 12 will be described.

  First, the distal end portion of the spring portion 25 of the instrument body 12 is hooked into the hole of the connecting portion 34 of the light source unit 14.

  Next, when the light source unit 14 is pushed into the instrument main body 12, a part of the light source unit 14 is inserted into a space formed between the first decorative material 51 and the second decorative material 52. At this time, the light source unit 14 is pushed in while the intermediate portion of the spring portion 25 slides at the edge of the hole of the connecting portion 34 until the tip portion of the connecting portion 34 hits the bottom wall 23 of the instrument body 12. Thereby, the light source unit 14 is fixed to the instrument main body 12.

  With reference to FIG. 3, FIG. 5, and FIG. 6, the structure of the illuminating device 10 is further demonstrated.

  FIG. 6 is an enlarged view of a portion surrounded by a dotted line in FIG.

  The instrument main body 12 has a box shape in which one surface 41 is opened. A first through hole 28, which is a through hole serving as an outlet for airflow, is provided on the bottom surface 42 facing the opened surface 41 of the instrument main body 12. The bottom surface 42 of the instrument body 12 corresponds to one side of the bottom wall 23. In the present embodiment, a second through hole 29 which is a through hole different from the first through hole 28 is further provided on the bottom surface 42 of the instrument main body 12. Similar to the first through hole 28, the second through hole 29 is a through hole serving as an outlet for the airflow.

  The light source unit 14 is attached to a position different from the position where the first through hole 28 is provided on the bottom surface 42 of the instrument body 12. In the present embodiment, the light source unit 14 is attached between the position where the first through hole 28 is provided on the bottom surface 42 of the instrument body 12 and the position where the second through hole 29 is provided.

  A first decorative material 51, which is a decorative material for concealing the first through hole 28, is disposed on the side of the light source unit 14 so as to be in contact with the light source unit 14. The first decorative material 51 extends from the position in contact with the light source unit 14 between the opened surface 41 of the instrument main body 12 and the first through hole 28 toward the inner side surface 43 of the instrument main body 12. Between the end 53 of the first decorative material 51 far from the light source unit 14 and the inner side surface 43 of the instrument main body 12, a first gap 55 that is a gap serving as an airflow inlet is provided. In the present embodiment, the second decorative material 52, which is a cosmetic material different from the first decorative material 51, is provided on the side of the light source unit 14 opposite to the side where the first decorative material 51 is provided. 14 is arranged so as to contact 14. The second decorative material 52 is a decorative material for concealing the second through hole 29. The second decorative material 52 extends from the position in contact with the light source unit 14 to the other inner side surface 43 of the instrument body 12 through the space between the opened surface 41 of the instrument body 12 and the second through hole 29. . A second gap 56, which is a gap different from the first gap 55, is provided between the end 54 of the second decorative material 52 far from the light source unit 14 and the other inner surface 43 of the instrument body 12. Yes. Similar to the first gap 55, the second gap 56 is a gap serving as an airflow inlet.

  A convex portion is interposed between the opened surface 41 of the instrument body 12 and the first through hole 28 of the bottom surface 42 of the instrument body 12. Specifically, the first penetration through the inner surface 43 of the instrument main body 12 and the end 53 of the first decorative material 51 on the side far from the light source unit 14 from the opened surface 41 of the instrument main body 12 through the first gap 55. A convex portion is provided to block the hole 28 from being seen through. More specifically, as such a convex portion, a corner portion 44 is provided on the inner side surface 43 of the appliance main body 12, and an upright portion 57 is provided on the end 53 of the first decorative material 51 on the side far from the light source unit 14. In the present embodiment, a convex portion is also interposed between the opened surface 41 of the instrument body 12 and the second through hole 29 of the bottom surface 42 of the instrument body 12. Specifically, the second inner surface 43 of the instrument main body 12 and the end 54 of the second cosmetic material 52 on the side far from the light source unit 14, and the second clearance 56 from the open surface 41 of the instrument main body 12 through the second gap 56. The convex part which interrupts seeing through 2 through-holes 29 is provided. More specifically, as such a convex portion, a corner portion 44 is provided on the other inner side surface 43 of the instrument body 12, and an upright portion 58 is provided on the end 54 of the first decorative material 51 on the side far from the light source unit 14. Yes. The corner portion 44 is a portion where the angle with respect to the bottom surface 42 of the instrument body 12 changes in each inner side surface 43 of the instrument body 12. The standing portion 57 is a portion that rises toward the bottom surface 42 of the instrument body 12 at the end 53 of the first decorative material 51 on the side far from the light source unit 14. The standing portion 58 is a portion that rises toward the bottom surface 42 of the instrument main body 12 at the end 54 of the second decorative material 52 far from the light source unit 14.

  The first through hole 28 is provided closer to the position where the light source unit 14 is attached than the position on the straight line connecting the tip of the corner portion 44 and the tip of the upright portion 57 on the bottom surface 42 of the instrument body 12. Yes. In other words, the first through hole 28 has a width of the bottom surface 42 that is greater than the position where the straight line extending from the point P at the tip of the corner 44 to the point Q at the tip of the upright portion 57 intersects the bottom surface 42 of the instrument body 12. It is arranged near the center position in the direction X. Therefore, since the first through hole 28 cannot be seen no matter what position the lighting device 10 is looked up, the design of the lighting device 10 can be maintained. The second through hole 29 is also provided closer to the position where the light source unit 14 is attached than the position on the straight line connecting the tip of the corner 44 and the tip of the standing part 58 on the bottom surface 42 of the instrument body 12. Yes. Therefore, the second through-hole 29 cannot be seen no matter where the lighting device 10 is looked up, so that the design of the lighting device 10 can be maintained.

  The airflow passage formed from the first gap 55 to the first through hole 28 is the same as or wider than the width of the first gap 55 from the inlet to the outlet of the airflow and the first through hole 28. The width is the same as the width or wider than the width of the first through hole 28. Specifically, this passage has the first gap 55 at the inlet and the first through hole 28 at the outlet, and the width of the first through hole 28 is the same as the width of the first gap 55 from immediately after to the middle of the passage. The same width is maintained, and from the middle to immediately before the outlet, the width is wider than the first gap 55 and wider than the first through hole 28. In the present embodiment, the upright portion 57 and the inner side surface 43 of the instrument body 12 are inclined at the same angle, but the upright portion 57 may be inclined at an angle smaller than the inner side surface 43 of the instrument body 12. . That is, in the present embodiment, the distance between the standing portion 57 and the inner side surface 43 of the instrument body 12 is constant, but the distance between the standing portion 57 and the inner side surface 43 of the instrument body 12 is The position closer to the bottom surface 42 of 12 may be longer. In that case, since the width of the airflow passage gradually increases from immediately after the entrance to the middle, it is wider than the width of the first gap 55 and wider than the width of the first through hole 28 from the entrance to the exit. Keep the width. In the present embodiment, the width of the first gap 55 and the width of the first through hole 28 are the same, but the width of the first gap 55 may be wider than the width of the first through hole 28. That is, in the present embodiment, the distance between both ends in the width direction X of the first gap 55 and the distance between both ends in the width direction X of the first through hole 28 are the same, but the width direction X of the first gap 55 The distance between both ends may be longer than the distance between both ends in the width direction X of the first through hole 28. In that case, the airflow passage is maintained at a width that is the same as the width of the first gap 55 from immediately after to the middle of the inlet and wider than the width of the first through hole 28, and from the middle to immediately before the outlet of the first gap 55. A width wider than the width of the first through hole 28 is maintained.

  As described above, in the present embodiment, since there is no narrowed portion between the inlet and the outlet of the airflow path formed from the first gap 55 to the first through hole 28, the air flow rate is maximized. Can be

  The airflow path formed from the second gap 56 to the second through-hole 29 is the same as the airflow path formed from the first gap 55 to the first through-hole 28, and thus description thereof is omitted.

  In the present embodiment, the width of the bottom surface 42 is greater than the position of the first through-hole 28 on the straight line extending from the bottom surface 42 of the instrument body 12 to the lower end of the inner surface 43 of the instrument body 12 and the tip of the upright portion 57. It is provided far from the center position in the direction X. That is, the first through hole 28 is located from the position where the straight extension line drawn from the lower end point P ′ of the inner side surface 43 of the instrument body 12 to the point Q at the tip of the upright portion 57 and the bottom surface 42 of the instrument body 12 intersect. Is also arranged far from the center position of the bottom surface 42 in the width direction X. For this reason, assuming that the inner side surface 43 of the instrument body 12 does not have the corner 44 and the inner side surface 43 of the instrument body 12 is flat, depending on the position, when the lighting device 10 is looked up, the first gap 55 is interposed. Thus, the first through hole 28 may be visible. Instead of providing the corner portion 44, the first through hole 28 may be hidden by bringing the standing portion 57 closer to the inner side surface 43 of the instrument body 12, but in the present embodiment, by providing the corner portion 44, It is possible to further widen the first gap 55 and increase the amount of air flow.

  Further, in the present embodiment, the first through hole 28 is on a linear extension line connecting the tip of the corner portion 44 and the end 53 of the first decorative material 51 far from the light source unit 14 on the bottom surface 42 of the appliance main body 12. It is provided farther from the center position in the width direction X of the bottom surface 42 than the position. That is, the first through hole 28 has a straight extension line drawn from the point P at the tip of the corner 44 to the point Q ′ at the end 53 far from the light source unit 14 of the first decorative material 51 and the bottom surface of the instrument body 12. It is arranged farther from the center position in the width direction X of the bottom surface 42 than the position where it intersects 42. For this reason, if there is no upright part 57 in the first decorative material 51, the first through hole 28 may be seen through the first gap 55 when the lighting device 10 is looked up depending on the position. Instead of providing the upright portion 57, the first through hole 28 may be hidden by bringing the end 53 of the first cosmetic material 51 far from the light source unit 14 closer to the inner side surface 43 of the instrument body 12, but this embodiment In this embodiment, by providing the upright portion 57, the first gap 55 can be further widened and the amount of air flow can be increased.

  As described above, in the present embodiment, the combination of the corner portion 44 and the upright portion 57 can increase the air flow rate while hiding the first through hole 28.

  About the combination of the corner | angular part 44 and the standing part 58, since it is the same as the combination of the corner | angular part 44 and the standing part 57, description is abbreviate | omitted.

  The first decorative material 51 further includes a vertical portion 59 and a horizontal portion 61. The vertical portion 59 extends in the height direction Z. The vertical portion 59 is fixed between a position where the first through hole 28 is provided on the bottom surface 42 of the instrument body 12 and a position where the light source unit 14 is attached. The horizontal portion 61 is connected to the vertical portion 59 and extends in the width direction X. That is, the horizontal portion 61 extends from the position connected to the vertical portion 59 toward the inner side surface 43 of the instrument main body 12. The horizontal portion 61 is formed to have a length that covers the first through hole 28 when viewed from below. A first gap 55 is provided between the end 53 of the horizontal portion 61 opposite to the vertical portion 59 and the inner surface 43 of the instrument body 12. In the present embodiment, the horizontal portion 61 is in contact with a portion between the light source unit 30 and the lighting device 35 of the light source unit 14. Specifically, the horizontal portion 61 is in contact with the connection portion 40 of the cover portion 32 of the light source unit 14. Thereby, the horizontal portion 61 hides the first through hole 28 without blocking the light emitted from the first curved portion 38 and the second curved portion 39 of the cover portion 32 forming the light emitting surface 17. Can do. Further, the portion of the first decorative material 51 adjacent to the light source unit 14 is the horizontal portion 61, that is, is flat, so that the light source unit 14 can be easily grasped when the light source unit 14 is attached or detached.

  In the present embodiment, the first decorative material 51 has one end in the height direction Z of the vertical portion 59 fixed to a plurality of locations on the bottom wall 23 of the instrument body 12 with screws or the like, and the length direction of the horizontal portion 61. Both ends of Y are fixed to the instrument main body 12 by being hooked on at least one portion of the lid portion 24 of the instrument main body 12. The end 53 of the first decorative material 51 on the side far from the light source unit 14 is not directly fixed to the instrument body 12, but in the present embodiment, the vertical portion 59 and the horizontal portion 61 constitute a single plate-like member. By bending and forming integrally, the bending of the horizontal part 61 by an airflow is suppressed or prevented.

  In the present embodiment, the second decorative material 52 includes a vertical portion 60 configured similarly to the vertical portion 59 of the first decorative material 51 and a horizontal portion configured similar to the horizontal portion 61 of the first decorative material 51. 62.

*** Explanation of the effect of the embodiment ***
In the present embodiment, the convex portion provided on the inner side surface 43 of the instrument body 12 and the end of the cosmetic material far from the light source unit 14 causes the instrument body 12 to open from the open surface 41 to the bottom surface 42 of the instrument body 12. Looking through the through hole is blocked. For this reason, while concealing the through-hole in the bottom surface 42 of the fixture body 12, the gap between the inner side surface 43 of the fixture body 12 and the end of the cosmetic material far from the light source unit 14 is widened, so that the fixture body 12 of the lighting device 10 is provided. It is possible to ensure a sufficient amount of air flowing through the.

*** Other configurations ***
In the present embodiment, the inner side surface 43 of the instrument main body 12 is inclined at a constant angle from the upper end toward the lower end in the width direction X, and is inclined at a gentler angle with the corner portion 44 as a boundary. The shape of the inner side surface 43 of the instrument body 12 can be changed as appropriate. About a modification, the difference with this Embodiment is mainly demonstrated.

  With reference to FIG. 7, the structure of the illuminating device 10 which concerns on the modification of this Embodiment is demonstrated.

  FIG. 7A is a view of a part of the illumination device 10 as viewed from above. FIG. 7B is a view showing a longitudinal section of the illumination device 10.

  In this modification, the inner side surface 43 of the instrument main body 12 is inclined inward in the width direction X from the upper end toward the lower end, and is inclined outward in the width direction X with the corner portion 44 as a boundary.

  The airflow passage formed from the first gap 55 to the first through hole 28 is wider than the width of the first gap 55 and wider than the width of the first through hole 28 from the inlet to the outlet of the airflow. . In this modified example, since the upright portion 57 stands vertically, the distance between the upright portion 57 and the inner side surface 43 of the instrument body 12 is longer as the position is closer to the bottom surface 42 of the instrument body 12. Therefore, the width of the airflow passage gradually increases from just after the entrance to the middle, and the air flowing in from the entrance easily flows through the inside of the passage.

  As described above, even in this modification, there is no narrowed portion between the inlet and the outlet of the airflow passage formed from the first gap 55 to the first through hole 28, so that the air flow rate is maximized. it can. Moreover, according to this modification, the inner side surface 43 of the instrument main body 12 is inclined inward in the width direction X from the upper end to the middle, and the boundary between the bottom surface 42 of the instrument main body 12 and the inner side surface 43 cannot be seen from directly below. As a result, the design of the lighting device 10 is improved.

  The airflow path formed from the second gap 56 to the second through-hole 29 is the same as the airflow path formed from the first gap 55 to the first through-hole 28, and thus description thereof is omitted.

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

*** Explanation of configuration ***
With reference to FIG. 8, the structure of the illuminating device 10 which concerns on this Embodiment is demonstrated.

  FIG. 8A is a view of a part of the lighting device 10 as viewed from above. FIG. 8B is a view showing a longitudinal section of the lighting device 10.

  In the first embodiment, the combination of the corner portion 44 provided on the inner side surface 43 of the appliance main body 12 and the standing portion 57 provided at the end 53 of the first decorative material 51 on the side far from the light source unit 14, Viewing the first through hole 28 from the opened surface 41 of the main body 12 through the first gap 55 is blocked. On the other hand, in the present embodiment, the inner side surface 43 of the instrument main body 12 has no corner 44 and the inner side surface 43 of the instrument main body 12 is flat. For this reason, the stand-up portion 57 alone blocks the first through hole 28 from being seen through the first gap 55 from the open surface 41 of the instrument body 12.

  The first through hole 28 is closer to the position where the light source unit 14 is attached than the position on the straight line connecting the lower end of the inner side surface 43 of the instrument body 12 and the tip of the upright portion 57 on the bottom surface 42 of the instrument body 12. Is provided. That is, the first through hole 28 is located from the position where the straight extension line drawn from the lower end point P ′ of the inner side surface 43 of the instrument body 12 to the point Q at the tip of the upright portion 57 and the bottom surface 42 of the instrument body 12 intersect. Is also disposed near the center of the bottom surface 42 in the width direction X. Therefore, since the first through hole 28 cannot be seen no matter what position the lighting device 10 is looked up, the design of the lighting device 10 can be maintained. Since the arrangement of the second through holes 29 is the same as the arrangement of the first through holes 28, the description thereof is omitted.

  The airflow passage formed from the first gap 55 to the first through hole 28 is wider than the width of the first gap 55 and wider than the width of the first through hole 28 from the inlet to the outlet of the airflow. . In the present embodiment, the standing portion 57 is inclined at an angle smaller than the inner side surface 43 of the instrument body 12. That is, in the present embodiment, the distance between the standing portion 57 and the inner side surface 43 of the instrument body 12 is longer as the position is closer to the bottom surface 42 of the instrument body 12. Therefore, the width of the airflow passage gradually increases from just after the entrance to the middle, and the air flowing in from the entrance easily flows through the inside of the passage.

  As described above, in the present embodiment, as in the first embodiment, there is a portion narrowed between the inlet and the outlet of the airflow path formed from the first gap 55 to the first through hole 28. As a result, the air flow rate can be maximized.

  The airflow path formed from the second gap 56 to the second through-hole 29 is the same as the airflow path formed from the first gap 55 to the first through-hole 28, and thus description thereof is omitted.

*** Explanation of the effect of the embodiment ***
In the present embodiment, the projection provided at the end of the decorative material far from the light source unit 14 prevents the through-hole of the bottom surface 42 of the instrument body 12 from seeing through the open surface 41 of the instrument body 12. ing. For this reason, while concealing the through-hole in the bottom surface 42 of the fixture body 12, the gap between the inner side surface 43 of the fixture body 12 and the end of the cosmetic material far from the light source unit 14 is widened, so that the fixture body 12 of the lighting device 10 is provided. It is possible to ensure a sufficient amount of air flowing through the.

Embodiment 3 FIG.
In the present embodiment, differences from the first embodiment will be mainly described.

*** Explanation of configuration ***
With reference to FIG. 9, the structure of the illuminating device 10 which concerns on this Embodiment is demonstrated.

  FIG. 9A is a view of a part of the illumination device 10 as viewed from above. FIG. 9B is a view showing a longitudinal section of the illumination device 10.

  In the first embodiment, the combination of the corner portion 44 provided on the inner side surface 43 of the appliance main body 12 and the standing portion 57 provided at the end 53 of the first decorative material 51 on the side far from the light source unit 14, Viewing the first through hole 28 from the opened surface 41 of the main body 12 through the first gap 55 is blocked. On the other hand, in the present embodiment, the first decorative material 51 does not have the standing portion 57. Therefore, only the corner portion 44 blocks the first through hole 28 from being seen through the first gap 55 from the opened surface 41 of the instrument main body 12.

  The first through-hole 28 is formed by the light source unit 14 at a position on the straight extension line connecting the tip of the corner portion 44 and the end 53 of the first decorative material 51 far from the light source unit 14 on the bottom surface 42 of the instrument body 12. It is provided near the installed position. That is, the first through hole 28 has a straight extension line drawn from the point P at the tip of the corner 44 to the point Q ′ at the end 53 far from the light source unit 14 of the first decorative material 51 and the bottom surface of the instrument body 12. It is arranged closer to the center position in the width direction X of the bottom surface 42 than the position where it intersects 42. Therefore, since the first through hole 28 cannot be seen no matter what position the lighting device 10 is looked up, the design of the lighting device 10 can be maintained. Since the arrangement of the second through holes 29 is the same as the arrangement of the first through holes 28, the description thereof is omitted.

  The airflow passage formed from the first gap 55 to the first through hole 28 is wider than the width of the first gap 55 and wider than the width of the first through hole 28 from the inlet to the outlet of the airflow. . In the present embodiment, as in the first embodiment, there is no portion narrowed between the inlet and the outlet of the airflow passage formed from the first gap 55 to the first through hole 28. Distribution volume can be maximized.

  The airflow path formed from the second gap 56 to the second through-hole 29 is the same as the airflow path formed from the first gap 55 to the first through-hole 28, and thus description thereof is omitted.

*** Explanation of the effect of the embodiment ***
In the present embodiment, the projection provided on the inner side surface 43 of the instrument main body 12 blocks the through hole in the bottom surface 42 of the instrument main body 12 from seeing through the open surface 41 of the instrument main body 12. For this reason, while concealing the through-hole in the bottom surface 42 of the fixture body 12, the gap between the inner side surface 43 of the fixture body 12 and the end of the cosmetic material far from the light source unit 14 is widened, so that the fixture body 12 of the lighting device 10 is provided. It is possible to ensure a sufficient amount of air flowing through the.

  Further, according to the present embodiment, the inner side surface 43 of the instrument main body 12 is inclined inward in the width direction X from the upper end to the middle, and the boundary between the bottom surface 42 of the instrument main body 12 and the inner side surface 43 can be seen from directly below. Therefore, the design of the lighting device 10 is improved.

*** Other configurations ***
In the present embodiment, the inner side surface 43 of the instrument main body 12 is inclined inward in the width direction X from the upper end toward the lower end, and is inclined outward in the width direction X with the corner portion 44 as a boundary. The shape of the inner surface 43 of 12 can be changed as appropriate. About a modification, the difference with this Embodiment is mainly demonstrated.

  With reference to FIG. 10, the structure of the illuminating device 10 which concerns on the modification of this Embodiment is demonstrated.

  FIG. 10A is a view of a part of the illumination device 10 as viewed from above. FIG. 10B is a diagram illustrating a longitudinal section of the illumination device 10.

  In this modification, the inner side surface 43 of the instrument main body 12 is inclined outward in the width direction X from the upper end to the lower end, and once horizontally extends inward in the width direction X, the width is again set at the corner 44 as a boundary. Inclined outward in the direction X.

  The airflow passage formed from the first gap 55 to the first through hole 28 is wider than the width of the first gap 55 and wider than the width of the first through hole 28 from the inlet to the outlet of the airflow. . Even in this modification, since there is no narrowed portion between the inlet and the outlet of the airflow path formed from the first gap 55 to the first through hole 28, the amount of air flow can be maximized.

  The airflow path formed from the second gap 56 to the second through-hole 29 is the same as the airflow path formed from the first gap 55 to the first through-hole 28, and thus description thereof is omitted.

  As mentioned above, although embodiment of this invention was described, you may implement combining 2 or more embodiment among these embodiments. Alternatively, among these embodiments, one embodiment or a combination of two or more embodiments may be partially implemented. In addition, this invention is not limited to these embodiment, A various change is possible as needed.

  DESCRIPTION OF SYMBOLS 10 Lighting apparatus, 11 Lighting fixture, 12 Appliance main body, 13 Fixture, 14 Light source unit, 15 Light source installation surface, 16 Holding part back surface, 17 Light emission surface, 18 LED, 19 Substrate, 20 Fixing hole, 21 Inner side wall, 22 Outer side Wall, 23 Bottom wall, 24 Cover part, 25 Spring part, 26 Terminal block, 27 Lead-in hole, 28 1st through-hole, 29 2nd through-hole, 30 Light source part, 31 Holding part, 32 Cover part, 33 Light source cover part , 34 connecting portion, 35 lighting device, 36 bottom wall portion, 37 side wall portion, 38 first bending portion, 39 second bending portion, 40 connection portion, 41 surface, 42 bottom surface, 43 inner surface, 44 corner portion, 51 first 1 decorative material, 52 second decorative material, 53 end, 54 end, 55 first gap, 56 second gap, 57 upright portion, 58 upright portion, 59 vertical portion, 60 vertical portion, 61 horizontal portion, 62 horizontal portion.

Claims (11)

An instrument body having a box shape in which one surface is opened, and a through-hole serving as an outlet for airflow is provided on the bottom surface facing the opened surface;
A light source unit attached to a position different from the position where the through hole is provided on the bottom surface of the instrument body;
Extending from the position in contact with the light source unit to the inner surface of the instrument body through the open surface of the instrument body and the through hole, the end on the side far from the light source unit and the interior of the instrument body And a decorative material provided with a gap serving as an inlet for the airflow between the side surface,
At least one of the inner side surface of the appliance body and the end of the cosmetic material on the side far from the light source unit is a protrusion that blocks the through-hole from seeing through the gap from the opened surface of the appliance body. A lighting device provided with a section.   The lighting device according to claim 1, wherein an upright portion that rises toward the bottom surface of the appliance main body is provided as the convex portion at an end of the decorative material far from the light source unit.   The lighting device according to claim 2, wherein a distance between the upright portion and an inner side surface of the instrument body is longer as the position is closer to the bottom surface of the instrument body.   4. The airflow passage according to claim 2, wherein the airflow passage is wider from the airflow inlet to the outlet than the gap and has a width equal to or wider than the through hole. Lighting device.   The light source unit is located on the bottom surface of the instrument body at a position on a linear extension line connecting the boundary between the opened surface of the instrument body and the inner side surface of the instrument body and the tip of the standing part on the bottom surface of the instrument body. The illuminating device of any one of Claim 2 to 4 provided in the vicinity of the position to which it was attached. On the inner side surface of the instrument body, as the convex part, a corner part that changes an angle with respect to the bottom surface of the instrument body is provided,
The through hole is provided nearer to a position where the light source unit is attached than a position on a straight line extending between the tip of the corner portion and the tip of the upright portion on the bottom surface of the instrument body. The lighting device according to any one of 2 to 4.   The lighting device according to claim 1, wherein a corner portion that changes an angle with respect to a bottom surface of the instrument body is provided on the inner side surface of the instrument body as the convex portion.   The through-hole is closer to the position where the light source unit is attached than the position on the straight line connecting the tip of the corner and the end of the decorative material far from the light source unit on the bottom surface of the appliance body. The lighting device according to claim 7, which is provided in the lighting device.   The decorative material includes a vertical portion fixed between a position where the through-hole is provided on a bottom surface of the device main body and a position where the light source unit is attached, and a position connected to the vertical portion. 9. The apparatus according to claim 1, further comprising a horizontal portion extending toward an inner surface and having the gap provided between an end opposite to the vertical portion and an inner surface of the instrument body. Lighting equipment. The light source unit includes a light source unit and a lighting device that lights the light source unit,
The lighting device according to claim 9, wherein the horizontal portion is in contact with a portion between the light source unit and the lighting device of the light source unit. A second cosmetic material that is a cosmetic material different from the first cosmetic material that is the cosmetic material;
The bottom surface of the instrument body is provided with a second through hole that is a through hole different from the first through hole that is the through hole,
The light source unit is attached between the position where the first through hole is provided on the bottom surface of the instrument body and the position where the second through hole is provided,
The second decorative material extends from a position in contact with the light source unit to the other inner surface of the instrument body through a space between the opened surface of the instrument body and the second through hole, and the light source unit. A second gap which is a gap different from the first gap which is the gap is provided between an end far from the other inner surface of the instrument body,
At least one of the other inner side surface of the instrument body and the end of the second cosmetic material on the side far from the light source unit is connected to the second through the second gap from the opened surface of the instrument body. The lighting device according to any one of claims 1 to 10, wherein a convex portion that prevents the through hole from being seen through is provided.

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