JP2016219384A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve downsizing more than before.SOLUTION: A lighting fixture includes: a light source unit 2; and a fixture body 1. The light source unit 2 includes: an LED module 3; a supporting member 4 for supporting the LED module 3; and a case 5 for accommodating the LED module 3 and the supporting member 4 inside. The case 5 is constituted in such a manner that, in a direction parallel with a first surface and a second surface, a width dimension of a third portion 507 is larger than the width dimensions of a first portion 505 and a second portion 506. The fixture body 1 is formed in a box shape in which the first surface (lower surface) opens. The fixture body 1 is constituted so as to hold the light source unit 2 in a state where the whole or one part of the second portion 506 of the case 5 is inserted from the first surface to the inside. Furthermore, the fixture body 1, in at least one portion (lower ends of first side walls 11A, 11B) of a peripheral edge surrounding the first surface, has projection pieces 14 projecting in the direction approaching the case 5.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a luminaire, and more particularly, to a luminaire including a light source unit having a solid light emitting element as a light source and a fixture body.

  As a conventional example, a lighting apparatus described in Patent Document 1 is illustrated. The lighting fixture described in Patent Document 1 (hereinafter referred to as a conventional example) includes a light source unit and a fixture body. The instrument body is provided with a rectangular recess on its lower surface over the entire length in the longitudinal direction, and is configured to accommodate the light source unit in the recess. The light source unit includes an LED module, a support member that supports the LED module, a waterproof case that houses the support member that supports the LED module, a power supply device, and a fixture. The support member includes a bottom plate that is formed in a long and rectangular plate shape, and a pair of side plates that rise from both ends in the short width direction of the bottom plate. The LED module is supported on the bottom plate of the support member. The waterproof case includes a case main body, two end members, and a waterproof packing. The case main body is formed in a long rectangular tube shape having both ends opened with a synthetic resin material having translucency, and a support member that supports the LED module is accommodated therein. The case main body is formed in a semi-cylindrical shape in which a lower peripheral wall facing the light emitting surface of the LED module protrudes downward. That is, the light distribution of the LED light is controlled when passing through the semi-cylindrical peripheral wall. The end member is attached to the case main body so that the peripheral wall covers the end portion in the longitudinal direction of the case main body, and is screwed to the case main body via a fixing bracket.

Japanese Patent Laying-Open No. 2015-88242

  By the way, the conventional example described in Patent Document 1 is configured to cover the gap between the recess of the instrument body and the case body by projecting the side walls on both sides of the case body outward. On the other hand, there is a demand for further downsizing of lighting equipment in the market.

  This invention is made | formed in view of the said subject, and aims at achieving size reduction rather than before.

  The lighting fixture of the present invention includes a light source unit and a fixture body, and the light source unit includes an LED module, a support member that supports the LED module, and a case that houses the LED module and the support member therein. The support member has a bottom plate to which the LED module is attached to a first surface, and the case has a first portion facing the first surface of the bottom plate, and the first surface of the bottom plate. In a direction parallel to the first surface and the second surface, the second portion opposing the second surface on the opposite side, and a third portion connecting the first portion and the second portion, The width of the third part is configured to be larger than the width of the first part and the second part, the instrument body is formed in a box shape having an open first surface, All or one of the second parts Is configured to hold the light source unit in a state of being inserted from the first surface into the inside, and the instrument body protrudes in a direction approaching the case at least at a part of the periphery surrounding the first surface. It has a protruding piece.

  The lighting fixture of the present invention has an effect that it can be made smaller than before.

It is sectional drawing of the lighting fixture which concerns on this embodiment. It is a disassembled perspective view of the lighting fixture which concerns on this embodiment. It is the perspective view which abbreviate | omitted a part of light source unit in the lighting fixture which concerns on this embodiment. 4A is a front view of the lighting fixture according to the present embodiment, FIG. 4B is a plan view of the lighting fixture according to the present embodiment, and FIG. 4C is a left side view of the lighting fixture according to the present embodiment. It is a section perspective view of the lighting fixture concerning this embodiment.

  Hereinafter, the lighting fixture according to the present embodiment will be described in detail with reference to the drawings. The configurations described in the following embodiments are merely examples of the present invention. The present invention is not limited to the following embodiments, and various modifications can be made according to the design and the like as long as they do not depart from the technical idea of the present invention. Further, in the following description, unless otherwise specified, each direction of up and down, front and rear, and left and right is defined in FIG. That is, let the longitudinal direction of a lighting fixture be the left-right direction, let the transversal direction of a lighting fixture be the front-back direction, and let the height direction of a lighting fixture be an up-down direction.

  As shown in FIGS. 1 and 2, the lighting fixture according to this embodiment includes a light source unit 2 and a fixture body 1. The lighting apparatus according to the present embodiment is a moisture-proof / rain-proof lighting apparatus, such as a ceiling of an open corridor of an apartment house, an eaves of an outdoor bicycle parking lot, an eaves of a truck yard in a warehouse, or a ceiling of a food factory with high humidity. It is preferable to be installed in the

  The instrument main body 1 is formed in a long rectangular parallelepiped shape (box shape) whose first surface (lower surface) is opened by a metal plate such as a zinc steel plate. More specifically, the instrument main body 1 includes a top plate 10, a pair of first side walls 11A and 11B, and a pair of second side walls 12A and 12B (see FIG. 2). The top plate 10 is formed in a long rectangular flat plate shape. In addition, it is preferable that the top plate 10 is provided with a hole through which the power cable is inserted and a long hole through which the mounting bolt is inserted at the center in the lateral direction and the center and both ends in the longitudinal direction, respectively. The pair of first side walls 11 </ b> A and 11 </ b> B are formed in a long rectangular flat plate shape whose longitudinal dimension is equal to the longitudinal dimension of the top plate 10. One first side wall 11 </ b> A protrudes downward from the front end of the top plate 10, and the other first side wall 11 </ b> B protrudes downward from the rear end of the top plate 10. In addition, the pair of second side walls 12 </ b> A and 12 </ b> B are formed in a rectangular flat plate shape whose longitudinal dimension is equal to the lateral dimension of the top plate 10. One second side wall 12A protrudes downward from the left end of the top plate 10, and the other second side wall 12B protrudes downward from the right end of the top plate 10. Note that mounting bases 13A and 13B are attached to both ends of the top plate 10 in the longitudinal direction. The mounting bases 13A, 13B protrude inward from the fixed piece 130 fixed to the top plate 10, the vertical piece 131 protruding from the fixed piece 130 along the second side walls 12A, 12B, and the lower end of the vertical piece 131. And an attachment piece 132 (see FIG. 2). Each attachment piece 132 is provided with a screw hole (female screw) 133.

  As shown in FIGS. 1 to 3 and 5, the light source unit 2 includes an LED module 3, a support member 4 that supports the LED module 3, and a case 5 that accommodates the support member 4 that supports the LED module 3. And a power supply device 6, a fixture 7, and a fixture 8.

  The LED module 3 includes a substrate (printed wiring board) 31 formed in a rectangular plate shape that is long in the left-right direction (see FIGS. 2 and 5). The substrate 31 is preferably composed of a so-called metal substrate or ceramic substrate. A plurality of LEDs (light emitting diodes) 30 are mounted on the lower surface of the substrate 31 so as to be arranged at regular intervals along the longitudinal direction (left-right direction) (see FIGS. 1 and 5). The plurality of LEDs 30 are electrically connected in series via a conductor (copper foil) formed on the substrate 31. The conductor formed on the substrate 31 is electrically connected to the output terminal of the power supply device 6 via a connector mounted on the substrate 31 and an electric wire electrically connected to the connector.

  The support member 4 is formed in a square shape by bending a sheet metal (see FIGS. 1 to 3). That is, the support member 4 includes a bottom plate 40 that is formed in a long and rectangular plate shape, and a pair of side plates 41 that rises upward along the longitudinal direction from both ends in the short width direction (front-rear direction) of the bottom plate 40. In addition, the LED module 3 mentioned above is attached to the 1st surface (lower surface) of the support member 4 (the bottom plate 40) by the nail | claw formed by raising and raising a part of the bottom plate 40 of the support member 4, for example.

  The power supply device 6 includes a power supply board and a storage case 60 for storing the power supply board (see FIG. 3). The power supply board is formed of a printed wiring board formed in a rectangular plate shape that is long in the left-right direction. The printed wiring board includes at least circuit components (for example, a transformer, a diode, a capacitor, etc.) that are required to generate the lighting power of the LED 30. Etc.) has been implemented. The storage case 60 is formed in a rectangular box shape that is open at both ends in the longitudinal direction (left-right direction). Moreover, it is preferable that the storage case 60 is attached to the 2nd surface (upper surface) of the supporting member 4 (the bottom plate 40) using a screw etc., for example.

  The case 5 includes a case main body 50, two end members 51, and a waterproof packing 52 (see FIG. 2). The case main body 50 is formed in a long cylindrical shape with both ends in the longitudinal direction opened by a synthetic resin material, and is configured to accommodate the LED module 3 and the support member 4 therein (FIGS. 1 and 2). reference). The support member 4 is fixed to the case main body 50 by three fixing tools 7 as will be described later.

  The case main body 50 includes a long and flat rear wall 500, a pair of side walls 501 projecting downward from both ends along the longitudinal direction of the rear wall 500, and a front wall 502 connecting the lower ends of the pair of side walls 501. (See FIG. 2). However, the connection part of a pair of side wall 501 and the front wall 502 is formed in the curved surface shape which protrudes outside (refer FIG. 1). Further, the pair of side walls 501 are curved outward so as to be separated from the rear wall 500 downward (see FIG. 1). Furthermore, the front wall 502 is formed in a semi-cylindrical shape that bulges downward from both ends toward the center. However, the case main body 50 is preferably formed by two-color extrusion molding of a synthetic resin material (such as acrylic resin or polycarbonate resin) having translucency and a synthetic resin material having no translucency. Here, a part formed of a synthetic resin material having translucency is referred to as a transmission part 503, and a part formed of a synthetic resin material having no translucency is referred to as a non-transmission part 504 (FIG. 1). reference). That is, the light emitted from the LED module 3 is subjected to light distribution control when passing through the transmission unit 503. Note that the transmissive portion 503 is preferably configured to diffuse light by mixing a diffusing material or forming a large number of irregularities.

  As shown in FIGS. 1 to 3, the end member 51 includes a first bottom wall 510, a second bottom wall 511, an outer peripheral wall 512, an inner peripheral wall 513, and a cover portion 514. The first bottom wall 510 is formed in a shape similar to the outer shape of the case body 50 viewed from the left-right direction when viewed from the thickness direction (left-right direction). The second bottom wall 511 is formed in a shape (substantially semicircular shape) whose outer shape viewed from the thickness direction (left-right direction) is similar to the outer shape of the transmission part 503 of the case body 50 viewed from the left-right direction. The outer peripheral wall 512 is formed in a cylindrical shape that protrudes from the periphery of the first bottom wall 510 over the entire periphery. The inner peripheral wall 513 is formed in a cylindrical shape that protrudes from the first bottom wall 510 so as to face the outer peripheral wall 512. The cover part 514 protrudes in the thickness direction of the second bottom wall 511 from the arc-shaped portion of the peripheral edge of the second bottom wall 511, and the surface thereof is the same curved surface (substantially semi-cylindrical surface) as the surface of the outer peripheral wall 512. It is formed into a shape (see FIG. 2). A cylindrical recess 5140 is provided at the center of the lower surface of the cover portion 514 (see FIG. 2). Further, a circular hole is formed in the bottom wall of the recess 5140.

  The waterproof packing 52 is formed in a shape (cylindrical shape) similar to the outer peripheral wall 512 and the inner peripheral wall 513 of the end member 51 by a material having elasticity such as silicone resin. The waterproof packing 52 is press-fitted into a space surrounded by the first bottom wall 510, the outer peripheral wall 512, and the inner peripheral wall 513 of the end member 51 (see FIG. 1). Further, the waterproof packing 52 is provided with a groove 520 over the entire circumference on the surface exposed from the tips of the outer peripheral wall 512 and the inner peripheral wall 513. And the edge part in the longitudinal direction of the case main body 50 is press-fit in this groove | channel 520 (refer FIG. 1). That is, the gap between the end member 51 and the case main body 50 is sealed by the waterproof packing 52, and the intrusion of water (rain water or the like) into the case main body 50 is suppressed.

  The fixture 7 includes a fixed piece 70, a pair of attachment pieces 71, and a pair of side walls 72 (see FIG. 3). However, all the three fixtures 7 have the same structure. The fixed piece 70 is formed in a rectangular flat plate shape, and is provided with a screw hole 700 at one end (right end) in the short side direction (left and right direction) and substantially at the center (see FIG. 3).

  The pair of attachment pieces 71 have a rectangular flat plate shape and are provided so as to protrude downward from the front end and the rear end of the fixed piece 70. Each mounting piece 71 is provided with a hook-shaped hook 73, a protrusion 74 having a shape obtained by dividing a sphere into four equal parts, and a rectangular hole (see FIG. 1). However, the protrusion 74 and the hole are arranged below the hook portion 73 so as to be lined up in the left-right direction.

  The pair of side walls 72 have a rectangular flat plate shape and are provided so as to protrude downward from the left end and the right end of the fixed piece 70.

  The fixing tool 7 hooks the hook portion 73 to the tip (upper end) of each side plate 41 of the support member 4, inserts the protrusion 74 into the hole provided in each side plate 41, and the crimping piece 410 bent and raised from each side plate 41. Are attached to the support member 4 by caulking them in the holes of the attachment pieces 71 (see FIGS. 1 and 3). In addition, it is preferable that these three fixing tools 7 are each attached to the both ends and center of the longitudinal direction (left-right direction) of the supporting member 4 (refer FIG. 3).

  As shown in FIGS. 1 to 3, the fixture 8 includes a first fixing portion 80, a second fixing portion 81, and a connecting portion 82 that connects the first fixing portion 80 and the second fixing portion 81. Are integrally formed. The first fixed portion 80 is formed in a flat rectangular plate shape, and a truncated cone-shaped protrusion 800 is provided at the center in the front-rear direction. A circular screw insertion hole passes through the top surface of the protrusion 800. The connecting portion 82 is bent into an L shape when viewed from the front-rear direction. The second fixing portion 81 has a rectangular flat plate shape and is configured to protrude horizontally and outward from the lower end of the connecting portion 82. The second fixing portion 81 is provided with a long hole-like screw insertion hole 810 at substantially the center in the longitudinal direction (front-rear direction) (see FIG. 3).

  Next, the assembly procedure of the light source unit 2 will be described. First, an operator inserts and accommodates the support member 4 to which the LED module 3, the power supply device 6, and the three fixtures 7 are attached into the case main body 50 from one end side in the longitudinal direction. Further, the operator fixes the case main body 50 to the three fixtures 7 attached to the support member 4. That is, the operator inserts the fixing screws 53 into the screw insertion holes respectively provided at both ends and the center in the longitudinal direction of the rear wall 500 of the case main body 50, and is fixed to one screw hole 700 of each fixing piece 70. Screw in the screw 53.

  Subsequently, the operator inserts the attachment screw 83 into the screw insertion hole 810 of the second fixing portion 81 of the fixture 8, and then covers the end member 51 to which the waterproof packing 52 is attached over the end portion of the case body 50. Then, the operator inserts a screw into the screw insertion hole of the first fixing portion 80 of the fixture 8 in a state where the fixture 8 is put on the end member 51, and this screw is inserted into the rear wall of the case body 50. The other screw hole 700 of the fixing piece 70 is screwed through the hole provided in 500. That is, when the fixture 8 is fixed (screwed) to the fixture 7, the end member 51 and the waterproof packing 52 are prevented from coming off by the connecting portion 82 of the fixture 8 (see FIG. 3). The light source unit 2 is assembled as described above.

  Next, the construction procedure of the lighting fixture will be described. After attaching the instrument main body 1 to the ceiling, the operator opens the upper part of the light source unit 2 (the part above the second fixing part 81 of the two fixtures 8) on the first surface (lower surface) of the instrument main body 1. Insert inside. Then, the operator inserts the driver shaft into the recess 5140 of the cover portion 514 of the end member 51, and is inserted into the screw insertion hole 810 of the second fixing portion 81 through the hole provided in the bottom wall of the recess 5140. The mounting screw 83 is tightened. As a result, the attachment screw 83 is screwed into the screw hole 133 of the attachment piece 132 of the instrument body 1, so that the second fixing portion 81 of the attachment tool 8 is screwed (fixed) to the attachment piece 132 of the instrument body 1. Finally, it is preferable for the operator to cover the mouth of the concave portion 5140 exposed on the surface of the cover portion 514 with a tape or the like so as to be blindfolded. Thus, the installation of the lighting fixture is completed by attaching the light source unit 2 to the fixture body 1 (see FIGS. 4A, 4B, and 4C).

  Here, a portion of the case main body 50 that faces the first surface (lower surface) of the bottom plate 40 of the support member 4 (most part of the transmission portion 503) is defined as a first portion 505. In addition, a portion of the case main body 50 that opposes the second surface (upper surface) of the bottom plate 40 (an impermeable portion 504) is referred to as a second portion 506. Furthermore, the part (part other than the 1st site | part 505 of the permeation | transmission part 503) which connects the 1st site | part 505 and the 2nd site | part 506 among the case main bodies 50 is made into the 3rd site | part 507 (refer FIG. 1). In the case body 50, the width dimension of the third part 507 is larger than the width dimension of the first part 505 and the second part 506 in the direction (front-rear direction) parallel to the first surface and the second surface. Composed.

  A part of the light emitted from the LED 30 is reflected by the first surface of the bottom plate 40 and then emitted out of the case body 50 through the first portion 505. A part of the light emitted from the LED 30 is reflected on the inner peripheral surface of the first portion 505. A part of the light reflected on the inner peripheral surface of the first part 505 travels to the space between the side plate 41 and the third part 507 of the support member 4 and is reflected directly or on the surface of the side plate 41. The light is emitted from the third portion 507 to the outside of the case body 50. That is, it is considered that the possibility that the light emitted from the LED 30 travels higher than the tip (upper end) of the side plate 41 is very low. Therefore, the second part 506 existing above the side plate 41 is accommodated in the instrument main body 1 and the width dimension of the second part 506 is made smaller than the third part, whereby the width dimension ( The length dimension in the front-rear direction) can be made relatively small.

  Furthermore, the instrument main body 1 has protrusions 14 that protrude in a direction approaching the case 5 at least at a part of the periphery (the lower ends of the first side walls 11A and 11B) surrounding the first surface (opening surface, that is, the lower surface). (See FIGS. 1 and 2). Each projecting piece 14 is provided over substantially the whole of the lower end of the first side wall 11A and the second side wall 12A except for both ends in the longitudinal direction. That is, a gap is generated between the case main body 50 of the light source unit 2 and the lower ends of the first side walls 11A and 11B of the instrument main body 1, and this gap can be covered with the projecting pieces 14 (see FIG. 4A). ). Therefore, in the lighting fixture according to the present embodiment, the fixture main body 1 can be reduced in size, and a decrease in brightness (luminance) at the boundary between the fixture main body 1 and the light source unit 2 can be suppressed.

  As described above, the lighting fixture according to the present embodiment includes the light source unit 2 and the fixture main body 1. The light source unit 2 includes an LED module 3, a support member 4 that supports the LED module 3, and a case 5 that houses the LED module 3 and the support member 4 therein. The support member 4 has a bottom plate 40 to which the LED module 3 is attached on the first surface (lower surface). The case 5 includes a first portion 505 that faces the first surface (lower surface) of the bottom plate 40, a second portion 506 that faces the second surface (upper surface) opposite to the first surface of the bottom plate 40, and a first portion. And a third portion 507 connecting 505 and the second portion 506. The case 5 is configured such that the width dimension of the third part 507 is larger than the width dimension of the first part 505 and the second part 506 in a direction parallel to the first surface and the second surface. The instrument body 1 is formed in a box shape having a first surface (lower surface) opened. The instrument main body 1 is configured to hold the light source unit 2 in a state where all or part of the second portion 506 of the case 5 is inserted into the inside from the first surface. Furthermore, the instrument body 1 has a projecting piece 14 that protrudes toward the case 5 in at least a part of the peripheral edge surrounding the first surface (the lower ends of the first side walls 11A and 11B).

  The lighting fixture according to the present embodiment is configured as described above, and the projection main body 1 can be reduced in size while suppressing a decrease in brightness at the boundary portion between the fixture main body 1 and the light source unit 2 by the projecting piece 14. it can.

  Moreover, in the lighting fixture which concerns on this embodiment, it is preferable that the protrusion 14 is comprised so that it may incline toward the 3rd site | part 507 of case 5 from a periphery (refer FIG. 1).

  If the lighting fixture which concerns on this embodiment is comprised as mentioned above, the light reflected on the surface of the protrusion 14 can be radiate | emitted ahead (downward) of the light source unit 2, the fixture main body 1, the light source unit 2, and It is possible to further suppress a decrease in brightness at the boundary portion.

  Furthermore, in the luminaire according to the present embodiment, the case 5 includes the first part 505 and the third part 507 at least partially transparent, and the second part 506 is entirely transparent. It is preferable to be configured not to have light properties. In the instrument main body 1, the entire second part 506 of the case 5 and the part having no translucency in the third part 507 are on the first surface (lower surface) rather than the tip (lower end) of the projecting piece 14. It is preferable to hold the light source unit 2 so as to be close to each other.

  If the lighting fixture which concerns on this embodiment is comprised as mentioned above, the fall of the brightness of the boundary part of the fixture main body 1 and the light source unit 2 can further be suppressed.

DESCRIPTION OF SYMBOLS 1 Appliance main body 2 Light source unit 3 LED module 4 Support member 5 Case 14 Protrusion piece 40 Bottom plate 505 1st site | part 506 2nd site | part 507 3rd site | part

Claims (3)

A light source unit and an instrument body;
The light source unit includes an LED module, a support member that supports the LED module, and a case that houses the LED module and the support member inside,
The support member has a bottom plate to which the LED module is attached on the first surface;
The case includes a first portion facing the first surface of the bottom plate, a second portion facing the second surface opposite to the first surface of the bottom plate, the first portion, and the second portion. And in the direction parallel to the first surface and the second surface, the width dimension of the third part is larger than the width dimension of the first part and the second part. Configured to be large,
The instrument body is formed in a box shape having an opening on the first surface, and is configured to hold the light source unit in a state where all or a part of the second portion of the case is inserted into the inside from the first surface. And
Furthermore, the said fixture main body has the protrusion which protrudes in the direction which approaches the said case in at least one part of the periphery surrounding the said 1st surface, The lighting fixture characterized by the above-mentioned.   The lighting fixture according to claim 1, wherein the protruding piece is configured to be inclined from the peripheral edge toward the third portion of the case. The case is configured such that all of the first part and at least a part of the third part have translucency, and all of the second part does not have translucency,
The instrument body is such that all of the second part of the case and the part having no translucency in the third part are closer to the first surface than the tip of the protruding piece, The lighting apparatus according to claim 1, wherein the light source unit is held.

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