JP2018073697A - illumination - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an illumination embedded in a corner portion of a ceiling and capable of illuminating a room brightly.SOLUTION: In an illumination 1, an illumination main body 11 is embedded in the corner portion of the ceiling and illuminates a room such as a bathroom unit. The illumination main body 11 has a side wall part 22 surrounding a light source 13. The peripheral edge part of the side wall part 22 is opened. The light from the light source 13 is reflected on the inner side surface of the side wall part and is emitted. The inner side surface has a first inner side surface 14a located on the side of the wall hanging from the corner portion of the ceiling. The first inner side surface 14a is concavely curved inward in the cross section in the height direction of the side wall part 22.SELECTED DRAWING: Figure 7

Description

  The present invention relates to illumination that is provided on a ceiling of a bathroom unit or the like and illuminates a room.

  Illumination is used to illuminate a room such as a desk or a bathroom unit. The bathroom unit has a bathtub for storing hot water and a washing floor provided on the near side of the bathtub, and is covered with a wall panel on the periphery and a ceiling panel on the top. In the bathroom unit, in addition to a bathtub, equipment such as a shower device, a counter, and a mirror is provided. The lighting is arranged on the wall panel and ceiling panel of the bathroom unit and illuminates the room.

  For example, Patent Document 1 discloses desk-top lighting that is disposed above a pair of desks that are arranged to face each other so that the back edges meet each other, and that illuminates the desk surface. The light distribution curve of the light source arranged above one desk is set on a straight line connecting the light source and the back edge of the desk top surface corresponding to the light source, and spreads farther backward. Is set to

Japanese Utility Model Publication No. 61-102134

  By the way, with respect to the lighting that illuminates the interior of the room, such as a bathroom unit, even when a user in the room faces upward, the illumination is difficult to enter the field of view. Can be considered to be embedded. In the illumination described in Patent Document 1, the spread of light in the direction of the desk upper surface illuminated by the light source is limited. For this reason, when the illumination is arranged at the corner of the ceiling, there is a problem that a portion of the room such as a bathroom unit that the light source illuminates becomes narrow and the room far from the illumination becomes dark.

  This invention is made | formed in view of such a situation, The place made into the objective is to provide the illumination which can be embedded in the corner part of a ceiling and can illuminate the room brightly.

  The illumination according to the present invention has a side wall portion that surrounds the light source, a peripheral portion of the side wall portion is opened, and includes an illumination main body that reflects and emits light from the light source on the inner side surface of the side wall portion, In the illumination in which the lighting body is embedded in a corner portion of the ceiling to illuminate the room, the inner side surface has a first inner side surface located on the side of the wall depending from the corner portion, and the first inner side surface is In the cross section in the height direction of the side wall portion, the side wall portion is curved in a concave shape toward the inside.

  In the present invention, the illumination body illuminates the room with the illumination body embedded in the corner of the ceiling. The illumination main body has a side wall portion surrounding the light source, the peripheral edge portion of the side wall portion is opened, and the light from the light source is reflected and emitted from the inner side surface of the side wall portion. The inner side surface has a first inner side surface located on the side of the wall depending from the corner portion. The first inner surface is curved in a concave shape toward the inside in the cross section in the height direction of the side wall portion. Thereby, the illumination can illuminate the room brightly by reflecting the light emitted from the light source on the first inner surface.

  According to the present invention, the illumination allows the light emitted from the light source to be reflected by the first inner surface and illuminate the room brightly.

It is a perspective view which shows the external appearance of the bathroom unit containing the illumination which concerns on embodiment. It is the perspective view seen from the upper direction of the illumination attached to the ceiling panel. It is the perspective view seen from the downward direction of the illumination attached to the ceiling panel. It is the perspective view seen from the downward direction of the illumination which removed the translucent cover. It is a perspective view which shows the external appearance of an illumination main body. It is a top view of illumination. It is sectional drawing of the illumination by XX shown in FIG. It is a schematic diagram for demonstrating the emission of the light into the room by illumination. It is a schematic diagram for demonstrating the state which covered the heat retention cover to illumination.

  Hereinafter, the present invention will be described based on a preferred embodiment with reference to FIGS. The same or equivalent components and members shown in the drawings are denoted by the same reference numerals, and repeated descriptions are appropriately omitted. In addition, the dimensions of the members in each drawing are appropriately enlarged or reduced for easy understanding. Also, in the drawings, some of the members that are not important for describing the embodiment are omitted.

(Embodiment)
FIG. 1 is a perspective view showing an appearance of a bathroom unit 100 including an illumination 1 according to the embodiment. The bathroom unit 100 includes a bathtub 90 for storing hot water, a washing floor 91 provided on the front side of the bathtub 90, a wall panel 92, a shower device 8, and the lighting 1. The bathtub 90 and the washing floor 91 are surrounded by wall panels on all sides. The wall panel 92 that is in contact with the washing floor 91 is equipped with fixtures such as a counter 93 and a mirror 94 that are used when the user wash the body. The ceiling panel 95 is connected to the top of the wall panel 92 and other wall panels, and is provided so as to cover the upper part of the bathroom unit 100. The ceiling panel 95 corresponds to the ceiling according to the present invention. The wall panel 92 corresponds to a wall according to the present invention. Note that the illumination according to the present invention will be described by taking the illumination embedded in the ceiling of the bathroom unit in the embodiment as an example. It can be applied to lighting that illuminates the room.

  The shower device 8 includes a hot water supply unit 80, a shower head 81, and a slide bar device 82. The hot water supply unit 80 includes a water amount adjustment knob, a temperature adjustment knob, and the like, and is capable of adjusting the temperature and amount of hot water supplied to the shower head 81. The shower head 81 is connected to the hot water supply unit 80 by a hose 83, and hot water is supplied from the hot water supply unit 80. The shower head 81 is provided with water outlets composed of a large number of small holes, and hot water for washing the user's body is discharged from the water outlets.

  The shower head 81 is held by a slide bar device 82 so as to be slidable in the vertical direction, and the height can be adjusted according to the user's preference. The shower device 8 is provided between a central portion in the lateral direction of the wall panel 92 and one end portion inside the bathroom unit 100.

  The slide bar device 82 has a slide bar 82a extending from a position in the vertical direction of the wall panel 92 slightly closer to the washing floor 91 to the vicinity of the ceiling panel 95, and is a hook that is slidably held on the slide bar 82a. The shower head 81 is latched. The slide bar 82a is curved so that its axis is linear or convex on the wall panel 92 side, and is provided so as to be away from the wall panel 92 toward the top.

  The shower device 8 can position the shower head 81 higher above or obliquely above the bather's head by positioning the hook on the upper end of the slide bar 82a. With the shower head 81 positioned high, the bather can perform an overhead shower bath in which hot water is poured from above the head in a standing posture.

  The illumination 1 is embedded in the corner of the ceiling panel 95 above the wall panel 92. The illumination 1 is disposed on the ceiling panel 95 above the other end of the wall panel 92 on the side opposite to the side where the shower device 8 is provided. The ceiling panel 95 has an opening 70 cut out for embedding the illumination 1 at the corner.

  The opening 70 is provided as close to the corner as possible so that the lighting 1 can be separated from the shower device 8 so that the lighting 1 does not become dazzling for bathers facing upward during an overhead shower bath. is there. The ceiling panel 95 needs to leave the edge of the opening 70 in order to maintain the strength of the corner. Depending on the thickness and weight of the ceiling panel 95, for example, the edge of about several centimeters to several tens of centimeters is required. Provided.

  2 is a perspective view seen from above the illumination 1 attached to the ceiling panel 95, and FIG. 3 is a perspective view seen from below the illumination 1 attached to the ceiling panel 95. As shown in FIG. The illumination 1 includes an illumination main body 11 and a translucent cover 12. The illumination body 11 is attached to the opening 70 provided in the ceiling panel 95 so as to be inserted from the inside of the bathroom unit 100. In the present embodiment, since the illumination main body 11 has a triangular frustum shape, the opening 70 is cut out in a triangular shape. The shape of the illumination body 11 is not limited to a triangular frustum shape, and may be a truncated cone or a columnar shape having an arbitrary polygonal bottom surface portion, and the opening 70 is a ceiling panel according to the shape of the bottom surface portion of the illumination body 11. 95 is formed by cutting out.

  In the illumination body 11, four plate-like springs 30 provided in the lower part are held by the opening 70 by pressing the opening 70 of the ceiling panel 95, and the tip of the spring 30 is the peripheral edge of the opening 70. Dropping is prevented by projecting to the upper surface of the part.

  The translucent cover 12 is made of a thin resin colored in white or the like, and covers the lower surface side of the illumination body 11. The translucent cover 12 is formed in a flat triangular shape and is attached in parallel to the ceiling panel 95. The translucent cover 12 has two triangular side portions 12a and 12b parallel to the wall panel 92 and another wall panel adjacent to the wall panel 92, and the other side portion 12c faces the interior of the bathroom. It is arranged. Note that the shape of the translucent cover 12 may be an arbitrary polygonal shape in accordance with the shape of the illumination main body 11, and the flat shape includes a slightly rounded shape.

  The translucent cover 12 is disposed at the corner of the ceiling panel 95 above the wall panel 92. The translucent cover 12 is disposed on the ceiling panel 95 above the other end of the wall panel 92 opposite to the side where the shower device 8 is provided.

  FIG. 4 is a perspective view seen from below the illumination 1 with the translucent cover 12 removed. The illumination 1 has a light emitting portion 11a that is formed in a triangular shape and is formed on the lower surface side of the illumination main body 11, and has a light source 13 such as an LED bulb inside. The light source 13 is surrounded by a triangular frustum-shaped inner side surface 14 constituting a reflection surface.

  The inner side surface 14 includes a first inner side surface 14a located on the wall panel 92 side and a wall panel side adjacent to the wall panel 92, and a second inner side surface 14b located on the indoor side. The inner side surface 14 can be made a reflective surface with good light reflectivity by, for example, coloring white or the like, or performing metal plating with aluminum or the like. The light emitted from the light source 13 is reflected by the inner side surface 14 and emitted downward from the light emitting part 11a.

  5 is a perspective view showing the appearance of the illumination main body 11, FIG. 6 is a plan view of the illumination 1, and FIG. 7 is a cross-sectional view of the illumination 1 taken along line XX shown in FIG. The illumination body 11 has a bottom part 21, a side wall part 22, and a flange part 23. The illumination main body 11 is made of resin, for example, and is integrally formed by molding.

  The bottom portion 21 is provided with a through-hole penetrating the inside and outside of the illumination main body 11 at the center portion, and an electrical connection portion 21a is attached to the through-hole portion. The electrical connection portion 21 a includes a socket or the like for attaching the light source 13 to the inside of the illumination main body 11, and an electric supply line 32 is connected to a portion protruding to the outside of the illumination main body 11. Although the electrical connection part 21a has a connection circuit for connecting the electrical supply line 32 and the light source 13 inside, the electrical connection part 21a may be appropriately provided with an electrical circuit such as a stabilization circuit or an AC / DC conversion circuit.

  The light source 13 is disposed at a substantially central position of a region surrounded by the side wall part 22 in a cross section intersecting the height direction of the side wall part 22. Further, the light source 13 may be disposed close to the first inner side surface 14a in the cross section that intersects the height direction of the side wall portion 22.

  The electric supply line 32 is connected to the electric connection portion 21 a outside the bottom portion 21, and extends toward the side of the illumination main body 11. The bottom portion 21 has a protective wall 24 for protecting the end portion of the electric supply line 32 and the electric connection portion 21a. The protective wall 24 rises outward from the bottom 21 so as to surround the end portion of the electric supply line 32 and the electric connection portion 21a, and has a U-shape in which the side on which the electric supply line 32 extends is opened.

  Further, the bottom portion 21 has a plurality of through holes 25 penetrating inside and outside the illumination main body 11 at the side portion. The through hole 25 is provided in a side portion located on the wall panel 92 side and the wall panel side adjacent to the wall panel 92.

  The side wall portion 22 is provided so as to rise from the side portion of the bottom portion 21 and surround the light source 13. The side wall part 22 has a first side wall part 22a bent at a substantially right angle located on the wall panel 92 side and the wall panel side adjacent to the wall panel 92, and a second side wall part 22b located on the indoor side. The cross section that intersects the direction is triangular. The side wall part 22 is opened at the peripheral part on the lower side, and the opened part is a light emitting part 11a.

  The inclination of the first side wall portion 22a changes in the middle portion in the height direction. The first side wall portion 22 a has a certain inclination angle that is slightly outward from a right angle with respect to the bottom portion 21 from the middle portion in the height direction to the bottom portion 21 side. The first inner side surface 14 a has a linear shape in which the bottom portion 21 side from the midway portion in the height direction of the side wall portion 22 opens slightly outward from a right angle with respect to the bottom portion 21 in the cross section in the height direction of the side wall portion 22. .

  On the other hand, as for the 1st side wall part 22a, the light emission part 11a side is curving concavely toward the inner side from the middle part of a height direction. The first inner side surface 14 a is curved in a concave shape toward the inside in the cross section in the height direction of the side wall portion 22 from the middle portion in the height direction of the side wall portion 22 to the light emitting portion 11 a. Moreover, the 1st side wall part 22a becomes a divergent shape which spreads outside as it goes to the light emission part 11a side from the middle part of a height direction. The first inner side surface 14a has a divergent shape that spreads outward as it goes from the middle part in the height direction of the side wall part 22 toward the light emitting part 11a side.

  The inclination of the second side wall part 22b changes in the middle part in the height direction. The second side wall portion 22b has a certain inclination angle that is slightly outward from a right angle with respect to the bottom portion 21 from the middle portion in the height direction to the bottom portion 21 side. The second inner side surface 14b has a linear shape in which the side of the side wall portion 22 from the middle in the height direction to the bottom portion 21 side opens slightly outward from a right angle with respect to the bottom portion 21 in the cross section in the height direction of the side wall portion 22. .

  On the other hand, as for the 2nd side wall part 22b, the light emission part 11a side is curving in convex shape toward the inner side from the middle part of the height direction. The second inner side surface 14b is curved in a convex shape toward the inner side in the cross section in the height direction of the side wall part 22 from the middle part in the height direction of the side wall part 22 to the light emitting part 11a. Moreover, the 2nd side wall part 22b becomes a divergent shape which spreads outside as it goes to the light emission part 11a side from the middle part of a height direction. The second inner side surface 14b has a divergent shape that spreads outward as it goes from the middle part in the height direction of the side wall part 22 toward the light emitting part 11a side.

  The 2nd side wall part 22b has the some through-hole 26 penetrated in the inside and outside of the illumination main body 11 in the middle part of a height direction. The through hole 26 is preferably provided on the side of the heat generating portion of the light source 13 and at a position near the bottom 21. The air in the illumination main body 11 warmed by the heat generated by the light source 13 is exhausted to the outside through the through holes 25 provided in the side portions of the bottom portion 21, and the temperature rise in the illumination main body 11 is suppressed. Since the through hole 26 is located below the through hole 25, it functions as an intake hole that accompanies exhaust from the through hole 25, but the intake air into the illumination body 11 is performed by a gap other than these through holes. In this case, it can function as an exhaust hole to the outside as with the through hole 25.

  The flange portion 23 projects laterally around the entire periphery of the lower portion of the side wall portion 22. The flange part 23 is wider outside the opening part 70 of the ceiling panel 95. The upper surface of the flange portion 23 faces the lower surface of the peripheral portion of the opening 70 of the ceiling panel 95 and contacts the lower surface of the peripheral portion of the opening 70 with the illumination main body 11 attached.

  A packing 31 is disposed on the upper surface of the flange portion 23 over the entire circumference. The packing 31 is made of, for example, a soft resin having elasticity, and is a single linear member having a rectangular cross section, for example. The packing 31 is in contact with the upper surface of the flange portion 23 and the lower surface of the peripheral edge portion of the opening portion 70 and closes the gap in the opening portion 70.

  Next, operations of the bathroom unit 100 and the lighting 1 will be described. In the shower device 8, the bather can perform an overhead shower bath in which a shower is taken from above the head in a standing posture with the hook positioned on the upper end of the slide bar 82 a and the shower head 81 positioned high. it can. When the bather turns upward to put hot water on the face during an overhead shower bath, the direction of the line of sight is generally directed toward the shower head 81, but the translucent cover 12 of the illumination 1 that shines brightly Since it exists in the corner part of the ceiling panel 95 far from eyes, the glare of the illumination 1 can be suppressed.

  Moreover, since the translucent cover 12 is flat, the wall panel 92 can be widely used, and further, the cleaning operation is facilitated. Moreover, since the translucent cover 12 is triangular shape, the side part 12c is formed in the linear form which goes to the adjacent wall panel side from the wall panel 92. As shown in FIG. For this reason, since the side part 12c of the translucent cover 12 will remove | deviate from a bather's visual field, so that it goes to the adjacent wall panel side, glare is suppressed more. Moreover, since the side part 12c of the translucent cover 12 is linear and is substantially uniformly bright, when a bather looks at the inside of a bathroom including a ceiling part, there is little discomfort with respect to the translucent cover 12, It is difficult to receive an unpleasant impression.

  FIG. 8 is a schematic diagram for explaining the emission of light into the room by the illumination 1. Of the light emitted from the light source 13, the light traveling downward passes through the translucent cover 12 and illuminates the room. Of the light emitted from the light source 13, the light directed to the side is reflected by the first inner side surface 14a and the second inner side surface 14b.

  As indicated by an arrow A in FIG. 8, the light hitting the first inner side surface 14 a is curved in a concave shape toward the inside in the cross section in the height direction of the side wall portion 22. Reflected toward Further, as indicated by an arrow B in FIG. 8, the light hitting the second inner side surface 14 b is curved in a convex shape toward the inner side in the cross section in the height direction of the side wall portion 22. The light is reflected toward the indoor side.

  Of the light emitted from the light source 13, the light directed to the side is reflected by the first inner side surface 14 a and the second inner side surface 14 b, travels indoors, and illuminates the room through the translucent cover 12. For this reason, the illumination 1 can illuminate the interior of the bathroom unit 100 brightly to a position far from the corner where the illumination 1 is disposed.

  Further, the light source 13 can be arranged close to the first inner side surface 14a. In this case, the angle of view of the bathroom unit 100 viewed from the light source 13 is blocked by the edge of the light emitting part 11a, but by arranging the light source 13 close to the first inner side surface 14a, The angle of view that looks inside is widened. For this reason, the illumination 1 can illuminate the room of the bathroom unit 100 brighter to a position far from the corner where the illumination 1 is disposed.

  The side wall portion 22 has a triangular cross section that intersects in the height direction, and has a structure that can be easily disposed at the corner of the ceiling panel 95. The first side wall portion 22a is bent at a substantially right angle, and is located on the wall panel 92 hanging from the corner of the ceiling and the adjacent wall panel side. Moreover, the 2nd side wall part 22b is located in the room inner side, and the side part 12c of the translucent cover 12 corresponding to the 2nd side wall part 22b is linear, and becomes bright substantially uniformly.

  In the first inner side surface 14 a, the light emitting portion 11 a side from the middle portion in the height direction of the side wall portion 22 is curved in a concave shape toward the inside in the cross section in the height direction of the side wall portion 22. The first inner side surface 14 a is a straight line in which the bottom 21 side from the midway in the height direction of the side wall portion 22 opens slightly outward from a right angle with respect to the bottom portion 21 in the cross section in the height direction of the side wall portion 22. Yes. For this reason, as for the illumination main body 11, the internal space by the side of the bottom part 21 becomes large, and it can suppress a temperature rise.

  FIG. 9 is a schematic diagram for explaining a state in which the illumination cover 1 is covered with the heat insulating cover 33. The heat insulation cover 33 is placed so as to cover the entire bathroom unit 100 in the back of the ceiling or the like in order to keep the entire bathroom unit 100 warm in a cold district or the like. The heat insulating cover 33 covering the back of the ceiling is also put on the illumination 1. Since the heat insulating cover 33 contacts the protective wall 24, a space is formed inside the protective wall 24. The electrical connection portion 21a and the electrical supply line 32 rise in temperature due to conduction of heat generated by the light source 13, but a space is formed inside the protective wall 24 even when the thermal insulation cover 33 is covered. And excessive temperature rise can be suppressed.

Next, features of the illumination 1 of the embodiment will be described.
In the lighting 1 according to the embodiment of the present invention, the lighting main body 11 is embedded in the corner portion of the ceiling panel 95 to illuminate the interior of the bathroom unit 100. The illumination main body 11 has a side wall portion 22 that surrounds the light source 13, the peripheral edge portion of the side wall portion 22 is opened, and the light from the light source 13 is reflected by the inner side surface 14 of the side wall portion and emitted. The inner side surface 14 has a wall panel 92 depending from a corner portion of the ceiling panel 95 and a first inner side surface 14a located on the side of the adjacent wall panel. The first inner side surface 14 a is curved in a concave shape toward the inside in the cross section in the height direction of the side wall portion 22. Thereby, the illumination 1 can illuminate the interior of the bathroom unit 100 brightly to a position far from the corner where the illumination 1 is disposed.

  Moreover, the illumination 1 has the 2nd inner surface 14b in which the inner surface 14 is located in the indoor side. The second inner side surface 14 b is curved in a convex shape toward the inner side in the cross section in the height direction of the side wall portion 22. Thereby, the illumination 1 can illuminate the room | chamber interior of the bathroom unit 100 more brightly to the position far from the corner where the illumination 1 was arrange | positioned.

  In the illumination 1, the light source 13 is arranged close to the first inner side surface 14a. Thereby, the illumination 1 can illuminate the room | chamber interior of the bathroom unit 100 more brightly to the position far from the corner where the illumination 1 was arrange | positioned.

  Moreover, since the cross section which cross | intersects the height direction of the side wall part 22 is a triangle shape, the illumination 1 has a structure which is easy to arrange | position at the corner part of the ceiling panel 95. FIG.

  Further, in the illumination 1, the concave first inner side surface 14 a is formed from a midway portion in the height direction of the side wall portion 22 to a peripheral edge portion that becomes the light emitting portion 11 a. Thereby, the internal space of the illumination main body 11 in the bottom part 21 side from the middle part of the height direction of the side wall part 22 can be enlarged, and a temperature rise can be suppressed.

  In the above, it demonstrated based on embodiment of this invention. Those skilled in the art will understand that these embodiments are examples, and that various modifications and changes are possible within the scope of the claims of the present invention, and that such modifications and changes are also within the scope of the claims of the present invention. It is where it is done. Accordingly, the description and drawings herein are to be regarded as illustrative rather than restrictive.

1 Illumination, 11 Illumination body, 13 Light source, 14 Inner surface,
14a 1st inside surface, 14b 2nd inside surface, 22 side wall part,
92 Wall panel (wall), 95 Ceiling panel (ceiling).

Claims (5)

A side wall part surrounding the light source; a peripheral part of the side wall part having an opening; and an illumination main body that reflects and emits light from the light source on the inner side surface of the side wall part. In lighting that is embedded in the part and illuminates the room,
The inner side surface has a first inner side surface located on the side of the wall depending from the corner portion,
The said 1st inner surface is curving concavely toward the inner side in the cross section of the height direction of the said side wall part, The illumination characterized by the above-mentioned. The inner side surface has a second inner side surface located on the indoor side,
2. The illumination according to claim 1, wherein the second inner side surface is curved in a convex shape toward an inner side in a cross section in a height direction of the side wall portion.   The illumination according to claim 1 or 2, wherein the light source is disposed close to the first inner surface.   The illumination according to any one of claims 1 to 3, wherein the side wall portion has a triangular cross section that intersects the height direction.   5. The illumination according to claim 1, wherein the first inner side surface is formed from a middle part in a height direction of the side wall part to the peripheral edge part.

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