JP2017091707A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luminaire with high designability.SOLUTION: A luminaire includes a tool of which a front side is opened and which has a recess part 111 long in a first direction, and a light emitting unit 20 in which a plurality of light emitting elements is arrayed in the first direction. The light emitting unit 20 is attached to the tool in a removable manner in a state where a rear side of the light emitting unit 20 enters the recess part 111 of the tool. The light emitting unit 20 includes: a projection part 34h to the inside of the recess part 111 from a portion having an interval inward from each end in the first direction; and a guide part 34j configured to guide the projection part 34h from the outside of the recess part 111 to the inside of the recess part 111 in the first direction.SELECTED DRAWING: Figure 14

Description

  The present invention relates to a lighting device including a light emitting unit and a fixture.

2. Description of the Related Art In recent years, lighting devices using light emitting diodes (LEDs: hereinafter referred to as “LEDs”) that have less power consumption and superior durability than incandescent bulbs and fluorescent lamps have been put into practical use. Among such lighting devices using LEDs, the type of LED base light that is installed on the installation surface such as the ceiling surface is divided into an instrument that is first attached to the installation surface and a light emitting unit that is attached to the instrument. Many.
For example, the illuminating device of Patent Document 1 includes a fixture having an opening on the front side and a long recess in the first direction and a light emitting unit in which a plurality of light emitting elements are arranged in the first direction, and the back side of the light emitting unit is a fixture. The light emitting unit is detachably attached to the instrument in a state of entering into the recess of the.

JP2015-109216A

In the illuminating device described in Patent Document 1, the back side of the light emitting unit is fitted into the recess of the fixture. For this reason, a level | step difference arises with the end surface of the 1st direction of an instrument, and the end surface of the 1st direction of a light emission unit, and the design property will be inferior.
This invention is made | formed in view of such a situation, Comprising: It aims at providing the illuminating device with high design property.

  In order to solve the above problems, a lighting device according to one embodiment of the present invention is a light-emitting device in which a front side opening and a long recess in a first direction are arranged and a plurality of light-emitting elements are arranged in the first direction. A lighting device in which the light emitting unit is detachably attached to the fixture in a state where the back side of the light emitting unit enters the concave portion of the fixture, and the light emitting unit is connected to the first direction from each end in the first direction. A protrusion that protrudes from a portion spaced inward in one direction into the recess; and a guide that guides the protrusion from the exterior of the recess in the first direction to the interior of the recess.

  According to the present invention, since the protruding portion of the light emitting unit is provided inward from the end in the first direction, the step between the light emitting unit and the instrument can be reduced at the end in the first direction. Further, for example, when the light emitting unit is slid with respect to the instrument so that the projecting part enters the recess while the projecting part of the light emitting unit is located outside the first direction in the recess of the instrument, the guide unit is Therefore, the protrusion can be smoothly inserted into the recess.

It is a figure which shows the external appearance of the illuminating device which concerns on this embodiment. It is sectional drawing of the center side of an illuminating device. It is a figure which shows the external appearance at the time of removing the light emission unit from an instrument. It is a figure which shows the outline | summary of an instrument, (A) is the figure seen from the to-be-attached surface side, (B) is the figure seen from the light emission surface side. It is sectional drawing of the end side of an illuminating device. It is a perspective view of an instrument side end cover. It is a disassembled perspective view of a light emission unit. It is a transverse cross section in the central part of the longitudinal direction of a light emitting unit. It is a perspective view of a board | substrate fixing member. It is a figure of a board | substrate fixing member, (A) is the figure seen from one side of the longitudinal direction of a light emitting element board | substrate, (B) is the figure seen from the other longitudinal direction of a light emitting element board | substrate, (C) It is a perspective view. It is a figure of a wiring fixing member, (A) is the figure seen from the supporting member side, (B) is a perspective view. It is a perspective view of a main reflection member. It is a figure of the light emission side edge part cover, (A) is the perspective view seen from the inner side, (B) is the side view seen from the inner side, (C) is a top view. It is a figure explaining the attachment to the instrument main body of a light emission unit. It is a perspective view of a metal instrument side end cover. It is sectional drawing of an illuminating device provided with the translucent cover which concerns on a modification. It is sectional drawing of an illuminating device provided with the translucent cover which concerns on a modification.

[Overview]
An illumination device according to one aspect includes a fixture having an opening on the front side and having a concave portion that is long in a first direction and a light emitting unit in which a plurality of light emitting elements are arranged in the first direction, and the back side of the light emitting unit is In the lighting device in which the light emitting unit is detachably attached to the fixture in a state of entering the recess of the fixture, the light emitting unit is spaced from each end in the first direction to the inside in the first direction. A protrusion that protrudes into the recess; and a guide that guides the protrusion from the outside of the recess in the first direction to the inside of the recess.
In the illuminating device according to another aspect, the guide portion has an inclined surface with an ascending slope that is present on the inner side of the protruding portion in the first direction and faces the protruding portion. Thereby, a guide part can be provided easily.
In the illumination device according to another aspect, a plurality of the projecting portions are present at intervals in a second direction orthogonal to the projecting direction of the projecting portion and the first direction at each end portion in the first direction, The guide portions exist on both sides in the second direction at each end portion in the first direction. Accordingly, the light emitting unit can be guided in a stable posture when the light emitting unit is slid so that the front projecting portion enters the inside from the outside of the recess.

In the illumination device according to another aspect, the plurality of protrusions have a rectangular shape when viewed from the protrusion direction, and the guide portions are positioned at both ends in the second direction among the plurality of protrusions. In the state where it is flush with the outer side surface in the second direction in the protruding portion, the protruding portion is integrally provided at the both ends. Thereby, a guide part can be provided easily.
In the illumination device according to another aspect, the light-emitting unit includes a light-transmitting cover that is long in the first direction and covers the plurality of light-emitting elements, and the light-transmitting cover is in a cross section orthogonal to the first direction. A pair of projecting portions projecting from the cover main body while having dimensions substantially the same as the dimensions in the second direction of the opening portion of the recess, and a pair of entering portions entering the recess adjacent to each of the pair of projecting portions The projecting portion has a recessed area that is recessed in the second direction. Accordingly, when the light emitting unit is attached to the instrument, the light emitting unit can be easily attached to the instrument by using the protruding portion.

  In the following, it is assumed that the lighting device of the present embodiment is attached to the ceiling (see FIG. 4). As shown in FIG. 4, the direction from the floor to the ceiling is “upward”, and the ceiling is directed to the floor. The direction is “downward”. In the description in the figure, the vertically upward direction (the upward direction) is “Z direction”, the vertical downward direction (the downward direction) is “−Z direction”, and one of the longitudinal directions of the illumination device is “X direction”. The other direction is the “−X direction”, one of the short directions (width direction) of the lighting device is the “Y direction”, and the other direction is the “−Y direction”. Note that the “first direction” in the present invention corresponds to the longitudinal direction of the lighting device and the light emitting unit, and the “second direction” in the present invention corresponds to the short direction of the lighting device and the light emitting unit.

[Whole structure of lighting device]
FIG. 1 is a diagram illustrating an appearance of the lighting device 1 according to the present embodiment.
FIG. 2 is a cross-sectional view of the lighting device 1.
FIG. 3 is a diagram showing an external appearance when the light emitting unit 20 is removed from the instrument 10.
The lighting device 1 is an LED base light that is long in a first direction and is attached to a surface to be attached such as a ceiling or a wall, and includes a fixture 10 and a light emitting unit 20.
The instrument 10 is a metal member that is fixed to a surface to be attached by a suspension bolt, and has a long recess 111 (see FIG. 4) to which the light emitting unit 20 is attached. In FIG. 4, the leading end of the lead line indicating the concave portion 111 that is a space is an arrow in order to distinguish it from the bottom plate portion 114 that constitutes the concave portion 111.
The light emitting unit 20 is a long light emitting body (light emitting device) in which light emitting elements 21 such as LEDs are arranged in the longitudinal direction and a power supply unit 29 is mounted, covers the light emitting surface side of the light emitting element 21 and diffuses light. A long translucent cover 22 that is transparent to light. In the state where the light emitting unit 20 is attached to the concave portion 111 of the instrument 10, as shown in FIG. 2, the translucent cover 22 contacts the peripheral portions of the openings of the pair of inner plate portions 115a and 116a in the concave portion 111. Yes.

[Detailed description of the instrument]
4A and 4B are views showing an outline of the instrument 10, wherein FIG. 4A is a view seen from the attached surface side, and FIG. 4B is a view seen from the light emitting surface side.
As shown in FIGS. 4A and 4B, the instrument 10 includes an instrument body 11 and a pair of instrument side end covers 121 and 122. The instrument 10 includes, for example, spring parts 13 a and 13 b and a terminal block 14 in addition to the instrument body 11 and the instrument side end covers 121 and 122. The instrument side end covers 121 and 122 are provided at both ends of the instrument body 11 in the longitudinal direction.

The concave portion 111 of the instrument 10 is formed in a state where the front side is open (the opening 111a) and is long in the longitudinal direction. The concave portion 111 includes a bottom plate portion 114, a pair of inner plate portions 115a and 116a extending from the long side of the bottom plate portion 114 toward the opening 111a, and a pair of instrument side lid portions extending substantially vertically from the short side of the bottom plate portion 114 toward the opening 111a. 121a and 122a.
The pair of inner plate portions 115a and 116a are inclined so that the interval increases from the bottom plate portion 114 toward the opening 111a. That is, the pair of inner plate portions 115a and 116a are inclined outwardly toward the opening 111a. A pair of instrument side cover parts 121a and 122a are provided substantially in parallel.

The instrument body 11 is formed, for example, by bending a metal plate, and has a substantially rectangular bottom plate portion 114 positioned substantially at the center and one of the long sides of the bottom plate portion 114 (-Y in FIG. 4B). Side plate 115 adjacent to each other with a boundary line as a boundary line and side plate portions 116 adjacent to each other with the other long side of the bottom plate part 114 (Y side in FIG. 4B) as a boundary line.
The bottom plate 114 fixes a substantially central portion of a metal rectangular flat plate, and is X degrees toward the light emitting surface at the position of the boundary line with the side plate 115 (X is preferably in the range of 60 to 80). Similarly, it is formed by bending the light emitting surface side by X degrees at the position of the boundary line with the side plate portion 116. Here, one (front surface) of the main surface of the bottom plate portion 114 constitutes the bottom surface 114 a of the recess 111.

The side plate portions 115 and 116 fix the boundary line side bent toward the light emitting surface at the position of the boundary line with the bottom plate portion 114, and bend toward the mounting surface side at the position of the folding line parallel to the boundary line. It is formed with. Here, a region surrounded by the boundary line and the folded line constitutes a pair of inner plate portions 115 a and 116 a in the recess 111.
The side plate portions 115 and 116 have a convex “L” shape on the light emitting surface side in a cross section orthogonal to the longitudinal direction of the instrument body 11, and are opposite to the inner plate portions 115 a and 116 a constituting the recess 111 and the recess 111. And outer plate portions 115b and 116b folded back to the side.

  The bottom plate portion 114 is provided with a suspension bolt hole 15 and a power supply cable hole 16. The suspension bolt hole 15 is a through-hole provided to allow the suspension bolt to pass when the instrument 10 or the instrument body 11 is attached to the attachment surface by the suspension bolt. The power supply cable hole 16 is a through-hole provided for drawing the power supply cable into the recess 111 from the attached surface.

  The instrument side end covers 121 and 122 are made of resin, for example, and are obtained by injection molding or press molding. The instrument side end covers 121 and 122 are attached so as to cover each end in the longitudinal direction of the instrument main body 11, and a part of the instrument side end covers 121 and 122 constitute a pair of end walls in the recess 111.

Here, the concave portion 111 is a space surrounded by the bottom plate portion 114, the pair of side plate portions 115 and 116, and the instrument side end cover 121 and 122, and the opening 111a of the concave portion 111 is a folded line of the side plate portions 115 and 116, It is a region surrounded by the edge portion on the light emitting surface side in the instrument side end covers 121 and 122.
Since the instrument side end covers 121 and 122 have the same configuration, the instrument side end cover 121 will be described below. Note that the alphabet added to “121” describing the configuration of the instrument side end cover 121 is omitted for the instrument side end cover 122, but is also used for the instrument side end cover 122.

FIG. 6 is a perspective view of the instrument side end cover 121.
As shown in FIG. 6, the instrument-side end cover 121 includes a plate-shaped instrument-side lid 121 a that is orthogonal to the longitudinal direction of the instrument body 11.
The instrument side end cover 121 has back surface contact parts 121b, 121c, 121d, and 121e that extend from the instrument side cover part 121a to the instrument body 11 side and contact the back surface of the instrument body 11. Note that the back surface contact portions 121b and c are in contact with the inner side plate portions 115a and 116a of the side plate portions 115 and 116, respectively. The back surface contact portions 121d and e contact the outer side plate portions 115b and 115b of the side plate portions 115 and 116, respectively.

The instrument-side end cover 121 has a surface contact part 121f that extends from the instrument-side cover part 121a to the recess 111 part of the instrument body 11 and contacts the bottom surface 114a of the bottom plate part 114 of the recess 111. The surface contact portion 121f is located in the center of the instrument side end cover 121 in the direction corresponding to the short direction of the instrument body 11.
The instrument side end cover 121 is provided with attachment means to the instrument main body 11 on both sides in the direction corresponding to the short side direction of the instrument main body 11 in the surface contact portion 121f. The attaching means is provided at the tip of an extending piece 121g extending toward the instrument body 11 and is constituted by an engaging convex portion 121h. The engagement convex portion 121h engages with an engagement hole 114b (see FIG. 4) provided at an end portion of the instrument body 11 in the longitudinal direction.

The instrument side end cover 121 has a pair of extending parts 121j on both sides of the instrument main body 11 in the short direction of the extending piece 121g. The pair of extending portions 121j extends from the back side end of the device side lid portion 121a to the device body 11 side. The pair of extending portions 121j are provided with coupling means for coupling to the instrument body 11 at both ends of the instrument body 11 in the short direction. The coupling means is constituted by a through hole 121k that penetrates the extending portion 121j.
The engagement pieces 115d and 116d of the side plate portions 115 and 116 of the instrument main body 11 are engaged with the through hole 121k (see FIG. 3). The side plate portions 115 and 116 are bent inward in the lateral direction at the ends of the outer plate portions 115b and 116b opposite to the inner plate portions 115a and 116a, and are notched 115e provided at the end portions in the longitudinal direction. 116e, the engagement pieces 115d, 116d can be deformed (see FIG. 3).

  When viewed from the outside of the instrument body 11 in the longitudinal direction, the appliance-side end cover 121 has a truncated flank portion of a truncated isosceles triangle having a low height (a trapezoid with the same inclination of the hypotenuse). It has a shape that is recessed in the side (back side). In addition, the code | symbol of the recessed part which is recessed is 121 m. The instrument side end cover 121 has a standing portion 121n that stands from the bottom side of the recessed portion 121m. This standing portion 121n abuts on abutting portions 34k and 35k of the light emitting unit 20, which will be described later.

  The spring portions 13a and 13b are metal springs, for example, and are fixed to the bottom plate portion 114. The spring portions 13 a and 13 b are engaged with spring receiving portions 28 a and 28 b of the light emitting unit 20 described later, so that a state where a part of the light emitting unit 20 enters the recess 111 of the instrument 10 is maintained.

  The terminal block 14 is fixed to the bottom plate portion 114 with screws or the like, and the power supply cable is drawn from the attached surface through the power supply cable hole 16 into the recess 111 and connected to the terminal block 14, which will be described later. It is electrically connected to the power supply unit 29.

[Detailed description of light emitting unit]
FIG. 7 is an exploded perspective view of the light emitting unit 20.
FIG. 8 is a cross-sectional view of the light emitting unit 20 at the center in the longitudinal direction.
As shown in FIGS. 2, 4, 7, and 8, the light emitting unit 20 includes a plurality of light emitting elements 21 in a housing 32. The axial direction coincides with the longitudinal direction of the instrument body 11.
The casing 32 includes a cylindrical casing main body 33 and light emitting side end covers 34 and 35 that close the axial end of the casing main body 33. The housing body 33 includes a support member 24 that supports the light emitting element 21 and a translucent cover 22 that covers the light emitting element 21.
The light emitting unit 20 of the present embodiment includes a light emitting element 21, a translucent cover 22, a light emitting element substrate 23, a support member 24, substrate fixing members 25 and 26, a wiring fixing member 27, spring receiving portions 28 a and 28 b, and a power supply portion 29. The main reflection member 30, the sub reflection member 31, and the light emitting side end covers 34 and 35 are included.

  The light-emitting elements 21 are small light-emitting bodies that emit light upon receiving power such as LEDs. Here, a plurality of light-emitting elements 21 are arranged in two rows as shown in FIG. Has been.

  The translucent cover 22 is made of, for example, resin, has a long shape, covers the light emitting element 21, and has a function of diffusing and transmitting light emitted from the light emitting element 21. Further, as shown in FIG. 8, the translucent cover 22 remains substantially the same as the width of the cover body 220 covering the light emitting element 21 and the width of the opening portion of the recess 111 in the short direction in the cross section orthogonal to the longitudinal direction. Alternatively, a pair of projecting portions 221 (see FIG. 2) projecting from the instrument 10 while remaining smaller than the width in the lateral direction, and a pair of entering portions 222 entering the recess 111 adjacent to each of the pair of projecting portions 221. Have.

  As shown in FIG. 8, the cover main body 220 has a U-shape (a U-shape and a V-shape have the same concept) in a cross section orthogonal to the longitudinal direction. The pair of projecting portions 221 extends from each end of the cover main body 220 in a cross section orthogonal to the longitudinal direction. The extending direction is substantially parallel to the main light emitting direction of the light from the light emitting element 21 and is opposite to the emitting direction. The entry portion 222 extends from the end of the protruding portion 221 opposite to the side connected to the cover body 220. The extending direction is a direction along the pair of inner plate portions 115 a and 116 a constituting the recess 111.

Here, when the light emitting unit 20 bends, the pair of entering portions 222 that have entered the recess 111 are exposed (the area of the exposed portions is widened), so the fixture 10 and the light emitting unit are exposed. Since there is no gap at the boundary with 20, the appearance does not deteriorate.
Further, since the pair of projecting portions 221 are substantially flat and parallel to each other, the operator can hold the light emitting unit 20 firmly by grasping the pair of projecting portions 221 during handling, and looks good. It can be made easy to handle without deteriorating.
Moreover, since the translucent cover 22 does not protrude laterally (short direction) from the opening 111a of the instrument 10, the appearance is refreshed and the design is excellent.

As shown in FIG. 8, each of the pair of protruding portions 221 preferably has an unevenness 221 a on at least a part of the outside. When the unevenness 221a is provided in two or four places where the weight balance is good when the operator grips particularly during handling, or the unevenness 221a is provided in the whole (over the entire length), the unevenness 221a becomes non-slip, It is more preferable because the light emitting unit 20 can be held more securely. In addition, when the unevenness 221a is provided on most of the pair of protruding portions 221, the design is excellent.
Providing the unevenness 221a means applying any method (for example, processing or molding) to the outer surface of the protruding portion 221, but the shape of the surface may be changed, or the unevenness may be formed on the surface. Other materials such as the above may be attached (for example, application).
The unevenness 221a includes, for example, not only a case where the surface is not provided with unevenness on the outer surface of the protruding portion 221, but also a case where only the recess is provided based on a portion where no unevenness is provided. It is a concept including the case where it is comprised only from the case where it comprises from the convex.

The unevenness 221a may be formed in a vertical stripe shape by extending a dent or protrusion formed in the thickness direction of the protruding portion 221 in the vertical direction, or a dent or protrusion formed in the thickness direction of the protruding portion 221. You may extend | stretch in the longitudinal direction of the translucent cover 22, and you may comprise in a horizontal stripe form. The unevenness 221a may be configured in a mesh shape by intersecting the vertical direction and the longitudinal direction. Furthermore, the unevenness 221a may be provided in an inclined shape.
The cross-sectional shape of the unevenness 221a may be a rectangular wave shape, a triangular wave shape, or may protrude or dent into a triangular shape, a rectangular shape, or a semicircular shape at intervals. The height difference of the unevenness 221a is preferably in the range of 0.1 [mm] or more and 3 [mm] or less.

For example, in the case where the unevenness is constituted only by a dent on the basis of the portion on the outer surface of the protruding portion 221 where the unevenness is not provided, it is preferably within a range of 0.1 [mm] or more and 1.4 [mm] or less. However, the thickness excluding the dents needs to be about 0.3 [mm]. For example, in the case where the projections 221 are composed only of projections and depressions on the surface outside the projections 221 that are not provided with projections and depressions, the thickness is 0.1 [mm] or more (thickness excluding projections). .) Within the following ranges are preferred. For example, in the case where the concave and convex portions are formed on both the concave and convex portions on the outer surface of the protruding portion 221, the concave portion and the convex portion are within a range of 0.1 [mm] to 3 [mm]. preferable. However, the thickness excluding the dents needs to be about 0.3 [mm].
The uneven pitch is preferably in the range of 0.1 [mm] to 2 [mm].

The distance between the pair of entering portions 222 is narrowed from the opening 111a of the recess 111 toward the long side of the bottom plate portion 114 so that the pair of entering portions 222 are just fit in the pair of inner plate portions 115a and 116a in the recess 111. Accordingly, the light emitting unit 20 is attached to the instrument 10 in a state where the outer sides of the pair of entering portions 222 are in contact with the pair of inner plate portions 115a and 116a in the recess 111, respectively.
Further, as shown in FIG. 8, the translucent cover 22 extends inwardly to the inside of each of the pair of protruding portions 221 and the inside of each of the pair of entering portions 222 in a cross section orthogonal to the longitudinal direction. And a pair of protruding pieces 221b and 222a. Here, the distance between the pair of protruding pieces 221b and 222a constituted by the protruding piece 221b of the protruding portion 221 on one side and the protruding piece 222a of the entering portion 222 is the size of the folded portion 24b of the support member 24 described later. It corresponds to. The folded portion 24b of the support member 24 is a pair of folded back toward the inside in the short direction after being turned diagonally outward in the short direction (diagonally downward) from each of both ends in the short direction of the substrate support portion 24a. Part. As shown in FIG. 8, the folded portion 24 b abuts on the inner side of each of the pair of entering portions 222 to support the translucent cover 22 (from this point of view, it can also be said to be an abutting portion). Accordingly, the portion between the protruding piece 221 b and the protruding piece 222 a of the translucent cover 22 is fitted into the folded portion 24 b of the support member 24, and the translucent cover 22 is attached to the support member 24.
Here, the heat generated when the light emitting element 21 emits light is conducted to the instrument body 11 via the light emitting element substrate 23, the support member 24, and the pair of entering portions 222.

  The light emitting element substrate 23 is a long circuit board made of a flame retardant material such as glass epoxy, and a plurality of light emitting elements 21 are mounted on one surface. The light emitting element substrate 23 may be a substrate in which a plurality of substrates are connected. In the present embodiment, as shown in FIG. 7, the light emitting element substrate 23 is formed by connecting two light emitting element substrates 23a and 23b, and these are connected by wiring (not shown). Note that the wiring is fixed to a wiring fixing member 27 described later, and prevents light from the light emitting element 21 from being blocked.

The support member 24 is made of, for example, metal, and has a substrate support portion 24a formed in a bottom portion that is recessed on the mounting surface side, as shown in FIG. The substrate support portion 24a is wider than the light emitting element substrate 23, and the light emitting element substrate 23 is supported at the central portion in the short direction. The support member 24 has a heat sink function for radiating and transferring heat of the light emitting element 21.
As shown in FIG. 8, in the cross section orthogonal to the longitudinal direction, the support member 24 has a folded portion 24b for mounting the translucent cover 22 (fitting with the pair of protruding pieces 221b and 222a) in the short direction. At the end. The support member 24 includes a connecting portion 24c that connects the substrate support portion 24a and the folded portion 24b. The pair of connecting portions 24c are curved in a direction perpendicular to the substrate support portion 24a (the direction in which the light emitting element 21 emits light), and then as the distance from the light emitting element 21 in the light emitting direction increases. It spreads in an inclined manner so that the interval becomes large. The connecting portion 24c also has a function of supporting a main reflection member 30 described later.

As shown in FIG. 7, the support member 24 includes a through hole for passing wiring, and a through hole for fixing the substrate fixing members 25 and 26, the wiring fixing member 27, the spring receiving portions 28 a and 28 b, and the power supply portion 29. Are provided in the substrate support 24a.
FIG. 9 is a perspective view of the substrate fixing member 25.
As shown in FIGS. 7 and 9, the substrate fixing member 25 is a plurality of, for example, resin fixtures, and fixes the long light emitting element substrate 23 at intervals in the longitudinal direction. As shown in FIG. 9, the substrate fixing member 25 includes a base portion 25a disposed on the mounting surface side of the support member 24, a pair of standing portions 25b standing from the base portion 25a, and a pair of standing portions 25b. And an extending portion 25c extending from the standing tip to the other standing portion 25b.

  The pair of standing portions 25 b extend along the longitudinal direction of the light emitting element substrate 23. The distance between the pair of upright portions 25 b corresponds to the dimension in the short direction of the light emitting element substrate 23. The pair of standing portions 25b extend through the through holes 24d of the support member 24 to the end portions (end portions orthogonal to the short direction) along the longitudinal direction of the light emitting element substrate 23. The standing height of the standing portion 25b is low at the center in the longitudinal direction and high at the end. The distance between the extending portion 25c and the base portion 25a at the central portion in the longitudinal direction of the substrate fixing member 25 is the sum of the thickness of the substrate supporting portion 24a of the supporting member 24, the thickness of the light emitting element substrate 23, and the thickness of the main reflecting member 30. Is approximately equal to Accordingly, the pair of extending portions 25 c constitute a locking piece that locks the end portion along the longitudinal direction of the light emitting element substrate 23.

10A and 10B are views of the substrate fixing member 26, where FIG. 10A is a view from one side of the light emitting element substrate 23 in the longitudinal direction, and FIG. 10B is a view from the other side of the light emitting element substrate 23 in the longitudinal direction. (C) is a perspective view.
As shown in FIGS. 7 and 10, the substrate fixing member 26 is, for example, a resin fixture, and fixes adjacent portions of the long light emitting element substrates 23a and 23b. As shown in FIG. 10, the substrate fixing member 26 includes a base part 26a disposed on the mounting surface side of the support member 24, a pair of standing parts 26b standing from the base part 26a, and a pair of standing parts 26b. An extending portion 26c extending from the standing tip to the other standing portion 26b.

The pair of standing portions 26 b extend along the longitudinal direction of the light emitting element substrate 23. The distance between the pair of standing portions 26 b corresponds to the dimension in the short direction of the light emitting element substrate 23. The pair of standing portions 26 b extend through the through holes 24 e of the support member 24 to the end portions (end portions orthogonal to the short direction) along the longitudinal direction of the light emitting element substrate 23. The distance between the extending portion 26 c and the base portion 26 a is substantially equal to the sum of the thickness of the substrate support portion 24 a of the support member 24, the thickness of the light emitting element substrate 23, and the thickness of the main reflection member 30. Accordingly, the pair of extending portions 26 c constitute a locking piece that locks the end portion along the longitudinal direction of the light emitting element substrate 23.
The substrate fixing member 26 has a protection portion 26 d that protects wiring (not shown) that connects the power supply portion 29 and the light emitting element substrate 23. The wiring from the power supply unit 29 is inserted through the through hole 24f of the substrate support unit 24a. The protective part 26d has a wiring passage 26e that opens at one end in the longitudinal direction of the light emitting element substrate 23, and covers the wiring together with the through hole 24f.

11 is a view of the wiring fixing member 27, (A) is a view from the support member 24 side, and (B) is a perspective view.
As shown in FIGS. 7 and 11, the wiring fixing member 27 fixes the wiring connected to the light emitting element substrate 23. This is to prevent the wiring from blocking the light emitted from the light emitting element 21. As shown in FIG. 11, the wiring fixing member 27 has a main body portion 27a extending along the longitudinal direction of the light emitting element substrate 23, and fixing pin portions 27b provided at both ends of the main body portion 27a in the longitudinal direction. On the light emitting element substrate 23 side in the main body 27a, a wiring receiving groove in which wiring is arranged is provided. The wiring housing groove is U-shaped when viewed from the substrate support portion 24a side of the support member 24. The U-shaped wiring receiving groove is composed of a pair of horizontal grooves 27c extending in the short direction of the light emitting element substrate 23 and a vertical groove 27d connecting the side farther from the light emitting element substrate 23 in the pair of horizontal grooves 27c in the longitudinal direction. The

The wiring includes a wiring for connecting the adjacent light emitting element substrates 23 a and 23 b and a wiring for connecting the power supply unit 29 and the light emitting element substrate 23. The wiring connecting the light emitting element substrates 23a and 23b has a U shape extending in the short direction of the light emitting element substrate 23 (the connecting portion facing the opening in the U shape extends in the longitudinal direction), and the wiring receiving groove Arranged inside. The wiring that connects the power supply unit 39 and the light emitting element substrate 23 is connected to the light emitting element substrate 23 from the short side direction, and is disposed in the pair of lateral grooves 27c of the wiring receiving groove.
The surface of the main body 27a opposite to the substrate support 24a of the support member 24 is an inclined surface 27e that becomes lower as it approaches the light emitting element substrate 23, and the main reflecting member 30 is stretched as shown in FIG. The inclined arrangement of the region portion 30b is not disturbed.

The spring receiving portions 28a and 28b shown in FIG. 7 are metal fittings, for example, and are fixed to the mounting surface side of the support member 24. The spring receiving portion 28a is a spring portion 13a (FIG. )), And the spring receiving portion 28b engages with the spring portion 13b of the instrument 10 (see FIG. 4B).
The spring portions 13a and 13b are arranged such that when the light emitting unit 20 is attached to the instrument 10, the entering portion 222 of the translucent cover 22 is pressed by the pair of inner plate portions 115a and 116a in the recess 111 of the instrument 10. Give elastic force. Thereby, the instrument 10 and the light-emitting unit 20 are reliably in contact with each other, and heat generated when the light-emitting element 21 emits light can be conducted to the instrument 10 side to efficiently exhaust heat.
In the present embodiment, the spring portions 13a and 13b are provided on the instrument 10 side and the spring receiving portions 28a and 28b are provided on the light emitting unit 20 side. However, the spring portions 13a and 13b are provided on the light emitting unit 20 side, The receiving portions 28a and 28b may be provided on the instrument 10 side.

  The power supply unit 29 is a lighting unit in which a lighting circuit for a light emitting element 21 such as an LED is housed in a substantially rectangular parallelepiped box 29a as shown in FIGS. 3 and 7. Outputs stable DC power suitable for lighting. The lighting circuit includes a substrate 29b and a circuit component 29c.

FIG. 12 is a perspective view of the main reflecting member 30.
As shown in FIGS. 7, 8, and 12, the main reflecting member 30 is, for example, a reflecting sheet, and has a function of reflecting light emitted from the light emitting element 21 in a direction that should not be irradiated in a direction that should be irradiated. . Specifically, as shown in FIGS. 8 and 12, the main reflecting member 30 includes a support region portion 30a disposed between the light emitting element substrate 23 and the substrate support portion 24a of the support member 24, and a support region portion 30a. Extending region portion 30b extending from the end in the short direction. The extended region portion 30b is inclined so as to protrude in the direction to be irradiated as the distance from the long side of the light emitting element substrate 23 increases.

  As shown in FIG. 8, the extending region portion 30 b extends so as to contact the inclined surface of the connecting portion 24 c of the support member 24, and the extending tip portion is formed between the connecting portion 24 c and the protruding piece 221 b of the translucent cover 22. Arranged between. Thereby, even if a sheet is used as the main reflecting member 30, a predetermined inclined state is maintained. As shown in FIG. 12, the main reflecting member 30 has through holes 30 c corresponding to the extending portions 25 c and 26 c of the substrate fixing members 25 and 26.

  The sub-reflection member 31 is, for example, a reflection sheet, and has a function of reflecting light emitted from the light emitting element 21 in a direction that should not be irradiated in a direction that should be irradiated. Specifically, as shown in FIGS. 7 and 8, the sub-reflecting member 31 has a band shape, and has a through hole in a portion corresponding to the light emitting element 21 of the light emitting element substrate 23.

FIG. 13 is a view showing the light emitting side end cover 34, (A) is a perspective view, (B) is a side view seen from the inside, and (C) is a plan view.
Since the light emitting side end covers 34 and 35 have the same configuration, the light emitting side end cover 34 will be described below. Note that the alphabet added to “34” describing the configuration of the light emitting side end cover 34 is omitted from the description of the light emitting side end cover 35, but the same applies to the light emitting side end cover 35.

As shown in FIG. 13, the light emitting side end cover 34 has a plate-shaped light emitting side lid 34 a that is orthogonal to the longitudinal direction of the housing body 33. The light emission side lid 34 a has a shape close to a cross-sectional shape orthogonal to the longitudinal direction of the housing body 33.
The light emission side end cover 34 has insertion portions 34b, 34c, and 34d that extend from the light emission side lid 34a to the housing body 33 and are inserted into the housing body 33.
The insertion portion 34 b extends along the cover main body 220 of the translucent cover 22 and abuts on the back surface (inner surface) of the cover main body 220. The insertion portions 34c and 3d extend along the connecting portion 24c of the support member 24 and come into contact with the surface of the connecting portion 24c. Here, the insertion portion 34d extends beyond the insertion portion 34c, and a fixing means for fixing the light emission side end cover 34 to the housing body 33 is provided at the tip portion. The fixing means is constituted by a protruding portion 34e protruding toward the connecting portion 24c. The protruding portion 34 e engages with the through hole of the support member 24.

The light emission side end cover 34 has an extending portion 34 f that extends the outer surface of the back wall of the housing body 33 in parallel with the back wall. The outer surface of the back wall of the housing body 33 here is the outer surface (back surface) of the support member 24.
The extending portion 34f is larger than the width (dimension in the short direction) of the substrate support portion 24a of the support member 24, and a portion facing the substrate support portion 24a is an abutting portion 34g. The contact portion 34g contacts the substrate support portion 24a.
The light emitting side end cover 34 moves from the extending portion 34f to the projecting portion 34h projecting outward (back side) in the thickness direction of the extending portion 34f, and from the projecting portion 34h to the center side in the longitudinal direction of the housing body 33. And a guide portion 34j whose protrusion amount decreases according to the above.

The protruding portion 34h protrudes from a portion corresponding to the end portion in the short direction of the substrate support portion 24a in the extending portion 34f, and there are two in total.
The protrusion 34h protrudes in a rectangular box shape that opens on the housing body 33 side, that is, on the center side in the longitudinal direction of the housing body 33. Each protrusion 34 h has a rectangular shape that is long in the short direction of the housing body 33 when viewed from the protrusion direction (back side). The two protrusions 34h and 34h are provided at an interval in the short direction of the housing body 33. The protruding portion 34h is provided at a predetermined interval from an end edge in the longitudinal direction of the casing main body 33 in the extending portion 34f (an outer surface of the light emitting side lid portion 34a and an end edge on the back side). A region between the edge in the longitudinal direction and the projecting portion 34 h is an abutting portion 34 k that abuts the standing portions 121 n and 122 n of the instrument side end covers 121 and 122 of the instrument 10.

  The guide part 34j is present inside the protruding part 34h in the longitudinal direction of the housing body 33. The guide part 34j has an inclined surface 34j1 having an upward slope toward the protruding part 34h. The guide part 34j is located at the outer end of the projecting part 34h in the lateral direction of the housing body 33. The guide portion 34j is substantially flush with the outer surface located at the outer end of the housing body 33 in the protruding portion 34h. Specifically, it is provided so as to project integrally from the wall located outside the projecting portion 34 h in a plate shape on the center side in the longitudinal direction of the housing body 33. Note that the extending portion 34f extends to the outside of the housing body 33 in the short direction of the protruding portion 34h and the guide portion 34j.

[Attaching the light-emitting unit to the fixture body]
Description will be made mainly using FIG. FIG. 14A is a view in which the instrument main body 11 is removed so that the entry of the light emitting unit 20 into the recess 111 can be seen. Here, the light emission side end cover 34 side is described, but the same can be said for the light emission side end cover 35 side.
The light emitting unit 20 is attached in a state where a part of the back surface side enters the recess 111 of the instrument 10 as shown in FIG. The light emitting unit 20 has protrusions 34h at both ends in the longitudinal direction as shown in FIG. 5B, and the protrusions 34h enter the recesses 111 as shown in FIG.
The protrusion 34 h is located on the inner side in the longitudinal direction from the end surface of the light emitting side end cover 34 located at the end in the longitudinal direction of the light emitting unit 20. For this reason, the level | step difference between the end surface of the longitudinal direction of the light emission unit 20 and the end surface of the longitudinal direction of the instrument 10 can be decreased. Thereby, the designability as the illuminating device 1 can be improved.

The light emitting unit 20 has protrusions 34 h at both ends in the longitudinal direction, and the protrusions 34 h enter the recesses 111. Thereby, it can control that the light emission unit 20 moves to a longitudinal direction with respect to the instrument 10. FIG.
The light emitting unit 20 has a guide portion 34j on the inner side in the longitudinal direction of the light emitting unit 20 with respect to the protruding portion 34h. Thereby, for example, even if the light emitting unit 20 is slid in the longitudinal direction with respect to the instrument 10 in a state where the projecting part 34h is located outside the recess 111b of the instrument 10 (outside in the longitudinal direction), the projecting part 34h Can be prevented from colliding with the end of the instrument 10 (apparatus side end cover 121). In the case of a light emitting unit that does not have a guide portion, the protruding portion may collide with the end portion of the instrument 10 and the light emitting side end cover 34 may be detached from the housing body 33.

[About lighting equipment]
As described above, according to the illuminating device 1 of the present embodiment, by providing the pair of projecting portions 221 to the cover body 220, it is possible to cause deflection in a horizontal direction on the plane of the projecting portions 221 without deteriorating the appearance. In particular, the translucent cover 22 becomes difficult to bend when the lighting device 1 is attached to the ceiling.
Moreover, even if the light emitting unit 20 bends by providing the light-transmitting cover 22 adjacent to each of the pair of projecting portions 221, the boundary portion between the instrument 10 and the light emitting unit 20 is provided. Since there is no gap, the appearance does not deteriorate.

Moreover, since the operator can hold the light emitting unit 20 firmly by gripping the pair of projecting portions 221 during handling, the handling can be facilitated without deteriorating the appearance.
Moreover, since the translucent cover 22 does not protrude laterally from the opening part of the instrument 10, the appearance is refreshed and the design is excellent.
In addition, by providing the pair of projecting portions 221 with the unevenness 221a, the unevenness 221a is prevented from slipping, the light emitting unit 20 can be held more firmly, the design is excellent, and light is strongly diffused to the ceiling. Illuminates the surface and makes it feel brighter.

[Modification]
1. Appliance side end cover The appliance side end covers 121 and 122 of the embodiment are made of resin, but may be made of other materials, for example, metal materials. The metal instrument side end cover 1121 will be described with reference to FIG. The instrument side end cover 1121 is attached to both ends of the instrument body 11 in the longitudinal direction.
The instrument side end cover 1121 is formed by bending a metal plate. The instrument side end cover 1121 is attached so as to cover both ends of the instrument body 11 in the longitudinal direction, and a part of the instrument side end cover 1121 constitutes a pair of end walls in the recess 111.
The instrument side end cover 1121 is a plate-shaped instrument side lid part 1121 a orthogonal to the longitudinal direction of the instrument body 11, and extends from the instrument side lid part 1121 a to the instrument body 11 side so as to abut the back surface of the instrument body 11. It has back contact portions 1121b and 1121c. The back contact portions 1121b and 1121c abut on the outer plate portions 115b and 116b of the side plate portions 115 and 116, respectively.

The instrument side end cover 1121 has a back side extending part 1121e extending from the back side end of the instrument side lid part 1121a to the instrument body 11 side. The back side extending portion 1121e has a recessed central portion in the direction corresponding to the short direction of the instrument body 11.
The instrument side end cover 1121 is provided with attachment means for attaching the instrument side end cover 1121 to the instrument body 11. As one of the attachment means, for example, there is provided an engaging claw 1121f that extends from both sides of the recessed portion of the back side extending portion 1121e to the instrument body 11 side and engages with an engagement hole 114b (see FIG. 4) of the instrument body 11. It has been. As another attachment means, there is an engagement claw 1121g that engages with the engagement pieces 115d and 116d of the instrument main body 11 from both ends of the instrument main lid 11 of the instrument side lid 1121a toward the instrument main body 11 side. Is provided.

The instrument side end cover 1121 has a truncated isosceles triangle with a low height when viewed from the outside of the instrument body 11 in the longitudinal direction (the trapezoidal shape with the same inclination of the hypotenuse). It has a shape that is recessed in the side. In addition, the code | symbol of the recessed part which was recessed is 1121h.
The instrument side end cover 1121 includes a front side extending part 1121i extending from the back side of the recessed part 1121h to the instrument main body 11, and a bent part 1121j bent substantially at right angles from the extending tip of the front side extending part 1121i to the back side. have. The front side extending portion 1121i contacts the contact portion 34k of the light emitting side end cover 34. The bent portion 1121j faces the outer surface of the protruding portion 34h of the light emitting side end cover 34.
In addition, the instrument side end cover 121 of the embodiment is made of resin, and the instrument side end cover 1121 of the present modification is made of metal. However, the instrument side end cover may be formed of a resin and a metal integrally formed, or a resin first cover and a metal second cover.

2. Protruding portion Although two protruding portions 34h of the light emitting unit 20 in the embodiment exist at each end in the longitudinal direction, the number may be one, or may be three or more. The protrusion 34h has a rectangular shape when viewed from the protrusion direction, but may have another shape. However, the surface (the surface corresponding to the outer surface in the longitudinal direction of the light emitting unit in the projecting portion) that contacts the longitudinal end of the concave portion of the instrument in the projecting portion is orthogonal to the rear surface of the housing body. Is preferred. The protruding portion 34h protrudes in a box shape (hollow shape), but may protrude in a solid shape. From the viewpoint of material cost and weight, a hollow shape is preferable.

3. Guide portion In the embodiment, two guide portions 34j exist in one light-emitting side end cover 34, but may be one or three or more. The inclined surface 34j1 is linear, but may be a curved line such as an arc or a parabola.
The guide portion 34j is provided integrally with the protruding portion 34h, but may be provided separately from the light emitting side end cover. The guide portions 34j are provided at both ends of the light emitting unit 20 in the short direction, but one or more guide portions 34j may be provided at the center in the short direction, for example. In addition, the light emitting unit can be slid in a stable posture by providing a plurality at intervals in the short direction.
When the light emitting unit 20 is viewed from the projecting direction of the projecting portion 34h, the guide portion 34j is provided at the outer end of the projecting portion 35h in the short direction of the light emitting unit 20, but for example, the light emitting unit 20 in the projecting portion 35h. You may provide a guide part in the center of the transversal direction, inward, etc.
The guide portion 34j is provided on the light emitting side end cover 34 similarly to the protruding portion 34h. However, the guide portion 34j may be provided on a member different from the member constituting the protruding portion. For example, you may provide in the member (support member) which has the back surface of a housing body. In addition, you may provide a protrusion part in the member which has the back surface of a housing body.

4). Translucent Cover The pair of projecting portions 221 of the translucent cover 22 remains substantially the same width as the width of the opening portion of the recess 111 of the instrument 10 in the cross-section perpendicular to the longitudinal direction. However, the protruding portion may have a recessed area that is recessed in the lateral direction. In addition, by providing the recessed area, the light emitting unit can be easily attached to the instrument. Hereinafter, the translucent cover having the recessed area will be described.
As shown in FIGS. 16A and 16B and FIG. 17A, the cover main bodies 122A, 122B, and 122C are recessed in a triangular shape on the inner side in a cross section orthogonal to the longitudinal direction of the cover main body 220. Projecting portions 1221A, 1221B, and 1221C. As shown in FIGS. 16A and 16B, the protruding piece 221b is provided in a portion adjacent to the entering portion 222 of the protruding portions 1221A and 1221B, or as shown in FIG. 17A, the protruding portion 1221C. It is provided in the recessed bottom portion of the.

As shown in FIG. 17B, the cover main body 122 </ b> D has a protrusion 1221 </ b> D that is recessed in an arc shape on the inside in a cross section orthogonal to the longitudinal direction of the cover main body 220. In addition, the protrusion piece 221b is provided in the recessed bottom part in protrusion part 1221D.
In addition, protrusion part 1221A-1221D may have the unevenness | corrugation 221a demonstrated in embodiment.

DESCRIPTION OF SYMBOLS 1 Illuminating device 10 Instrument 11 Instrument body 111 Recess 121 Instrument side end cover 122 Instrument side end cover 20 Light emitting unit 21 Light emitting element 22 Translucent cover 220 Cover body 221 Protruding part 222 Entering part 24 Support member 32 Housing 33 Housing Body body 34 Light-emitting side end cover 35 Light-emitting side end cover 34h Protruding part 34j Guide part 34j1 Inclined surface

Claims (5)

In a state in which the front side is open and includes a light emitting unit having a long concave portion in the first direction and a light emitting unit in which a plurality of light emitting elements are arranged in the first direction, and the back side of the light emitting unit enters the concave portion of the light fixture. In the lighting device in which the light emitting unit is detachably attached to the fixture,
The light emitting unit includes a protruding portion that protrudes from a portion spaced inward in the first direction from each end in the first direction into the recessed portion, and the protruding portion is disposed outside the recessed portion in the first direction. A lighting device having a guide portion for guiding from the inside to the inside of the concave portion. The illuminating device according to claim 1, wherein the guide part has an inclined surface that is present on an inner side of the projecting part in the first direction and has an upward slope toward the projecting part. A plurality of the protruding portions are present at intervals in a second direction orthogonal to the protruding direction of the protruding portion and the first direction at each end portion in the first direction,
The lighting device according to claim 2, wherein the guide portion is present on both sides in the second direction at each end portion in the first direction. The plurality of protrusions have a rectangular shape when viewed from the protrusion direction,
The guide part is a protrusion located at both ends in a state of being flush with the outer side surface in the second direction in the protrusion part located at both ends in the second direction among the plurality of protrusions. The lighting device according to claim 3, wherein the lighting device is provided integrally with the unit. The light emitting unit includes a translucent cover that is long in the first direction and covers the plurality of light emitting elements.
The translucent cover includes a pair of projecting portions projecting from a cover body while maintaining substantially the same size as the dimension of the opening portion of the concave portion in the second direction in a cross section orthogonal to the first direction; A pair of entry portions that enter the recess adjacent to each of the protruding portions of
The lighting device according to claim 3, wherein the protruding portion has a recessed area that is recessed in the second direction.

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