JP2017045619A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate routing work of feeder lines.SOLUTION: A lighting fixture A is constituted to support four light source units 1 by a fixture body 2, by providing spaces 15 in which an electric cable 65 is routed, between heat radiation blocks 11 of two light source units 1 adjacent to each other in the right and left direction. That is, the electric cable 65 inserted in a cable insertion hole 2001 of an upper side wall 200 is routed to an introduction port of a connection box 6 by going through the space 15 (15A) between (the heat radiation blocks 11) of the two light source units 1 on the upper stage. On the other hand, the electric cable 65 inserted in the cable insertion hole on the lower side wall 201 is routed to the introduction port of the connection box 6 by going through the space 15 (15B) between (the heat radiation blocks 11) of the two light source units 1 on the lower stage.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a lighting fixture, and more particularly, to a lighting fixture suitable for use in floodlighting.

  As a conventional example, a lighting apparatus described in Patent Document 1 is illustrated. This conventional example includes an instrument main body, four lamps (light source unit), a power supply block, and the like.

  The lamp has a lamp body, a light source block, and the like. The light source block is configured by mounting a light emitting diode (LED) on the surface of a substrate. The lamp body has a box-shaped storage part whose bottom surface is open, a frame part connected to the lower end of the storage part, and a plurality of heat sinks that protrude upward from the top surface of the storage part, which are integrally made of aluminum or an aluminum alloy. Formed.

  The instrument main body is formed by integrally forming a circular bottom plate, a peripheral wall protruding upward from the periphery of the bottom plate, or the like with aluminum or an aluminum alloy. Four window holes pass through the bottom plate, and three bosses are provided at regular intervals around each window hole. And each lamp is attached to an instrument main body by screwing to a baseplate so that a window hole may be plugged up. The power supply block is attached to the center of the bottom plate. Then, the feeder lines drawn from the power supply block are electrically connected to the four light source blocks, respectively. That is, the four light source blocks are lit with DC power fed from the power supply block via the feeder line.

JP 2014-26803 A

  By the way, although the power supply block is attached to the instrument main body in the above-described conventional example, it is desirable that the power supply block be separated from the instrument main body in order to reduce the size of the instrument main body. However, when the power supply block is separated from the instrument main body, it is necessary to consider the operation of drawing the power supply line that electrically connects the plurality of light source blocks and the power supply block. For example, the contact of the power supply line with the heat radiating plate must be avoided because there is a possibility that problems such as a decrease in heat dissipation may occur.

  The present invention has been made in view of the above problems, and an object of the present invention is to facilitate the operation of feeding a power supply line.

  The lighting fixture of the present invention includes a plurality of light source units, a fixture main body that supports the plurality of light source units, and a power supply line for supplying power to the plurality of light source units. A plurality of solid state light emitting elements, a mounting substrate on which the plurality of solid state light emitting elements are mounted, and a heat dissipation member thermally coupled to a surface of the mounting substrate opposite to the mounting surface of the solid state light emitting elements. The heat dissipating member has a base part to which the mounting substrate is attached on the front surface and a plurality of heat dissipating plates protruding rearward from the rear surface of the base part, and the instrument body supports the plurality of light source units. And the space which lets the said feeder line pass is provided between the said heat radiating members of the said adjacent light source unit, It is comprised so that the said feeder line may be arrange | positioned in the said space.

  The luminaire of the present invention has an effect that it is possible to facilitate the operation of routing the power supply line.

It is a disassembled perspective view of the lighting fixture which concerns on this embodiment. FIG. 2A is a perspective view seen from the front of the lighting fixture according to the present embodiment, and FIG. 2B is a perspective view seen from the rear of the lighting fixture according to the present embodiment. It is the disassembled perspective view which a part of lighting fixture concerning this embodiment omitted. It is sectional drawing which abbreviate | omitted one part of the lighting fixture which concerns on this embodiment. It is a rear view of the fixture main body in the lighting fixture which concerns on this embodiment. The fixture main body in the lighting fixture which concerns on this embodiment is shown, FIG. 6A is a front view, FIG. 6B is a top view, FIG. 6C is a left view, FIG. 6D is a right view. It is the perspective view which abbreviate | omitted one part of the lighting fixture which concerns on this embodiment. It is the front view which abbreviate | omitted one part of the lighting fixture which concerns on this embodiment. It is the rear view which abbreviate | omitted one part of the lighting fixture which concerns on this embodiment. It is the top view which abbreviate | omitted one part of the lighting fixture which concerns on this embodiment.

  The lighting fixture A which concerns on this embodiment is demonstrated in detail with reference to drawings. The luminaire A according to the present embodiment is a floodlight used mainly for lighting (projection lighting) a soccer stadium, various stadiums, a school playground, and the like. 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.

  As shown in FIGS. 1, 2A, 2B, and 3, the lighting fixture A according to the present embodiment includes a plurality (four in the illustrated example) of light source units 1 and a fixture body 2. Moreover, it is preferable that the lighting fixture A which concerns on this embodiment has the panel unit 3, the support member 4, the protective cover 5, the connection box 6, etc. In the following description, unless otherwise specified, front and rear, left and right, and up and down directions in FIG. 1 are defined. That is, the front side of the panel unit 3 with respect to the instrument body 2, the rear side of the protective cover 5 with respect to the instrument body 2, the support member 4 side with respect to the instrument body 2, and the support member 4 with respect to the instrument body 2. The opposite side is up. Further, when the panel unit 3 is viewed from the front, the left side is the left and the right side is the right.

  As shown in FIG. 1, the light source unit 1 includes two LED modules 10, a heat dissipation block 11, two lens blocks 12, a waterproof packing 13, two presser fittings 14, and the like. The LED module 10 includes a plurality (11 in the illustrated example) of LEDs (light emitting diodes) 100, a rectangular flat plate-shaped mounting substrate 101, and a plurality (two in the illustrated example) of quick connection terminal blocks 102 ( (See FIG. 3). The LED 100 is, for example, a white light emitting diode that emits white light. The mounting substrate 101 is preferably composed of, for example, an aluminum substrate in which a conductor (copper foil) is formed on the surface of an aluminum or aluminum alloy substrate via an insulating film. The plurality of LEDs 100 are preferably mounted on the surface (mounting surface) of the mounting substrate 101 and electrically connected in series by a conductor formed on the mounting surface. The two quick connection terminal blocks 102 are mounted on the mounting surface of the mounting substrate 101 and are electrically connected to both ends of the series circuit of the plurality of LEDs 100 separately. Here, the two quick connection terminal blocks 102 are mounted on the mounting board so that the direction in which the electric wires are inserted and connected (longitudinal direction of the quick connecting terminal block 102) is inclined with respect to the longitudinal direction (vertical direction) of the mounting board 101. It is preferable to mount on the surface of 101. However, the number of LEDs 100 mounted on one mounting substrate 101 is not limited to eleven.

  The heat dissipation block 11 includes a base portion 110, a plurality of (in the illustrated example, 18) heat dissipation plates 111, and a plurality of (in the illustrated example, 10) heat pipes 112 (see FIG. 3). The base portion 110 is preferably formed in a rectangular flat plate shape using aluminum or an aluminum alloy. Two LED modules 10 are attached to the front surface of the base part 110 by screwing (see FIG. 4). The heat radiating plate 111 is preferably formed in a rectangular thin plate shape from aluminum or aluminum alloy. The plurality of heat radiating plates 111 are formed so that their thickness directions are aligned in the left-right direction, are arranged with a space therebetween, and protrude rearward from the rear surface of the base portion 110. The heat pipe 112 is formed in a U shape. The heat pipe 112 is joined (thermally coupled) so that one end side of the heat pipe 112 is embedded in the rear surface of the base portion 110 (see FIG. 4). Moreover, the other end side of the heat pipe 112 is comprised so that it may penetrate and thermally couple the several heat sink 111 (refer FIG. 3). That is, the heat generated by the plurality of LEDs 100 is transmitted from the mounting substrate 101 to the base portion 110, and is further conducted to the heat radiating plate 111 by the heat pipe 112 and radiated. Note that at least a portion of the heat pipe 112 protrudes outward from the heat radiating plate 111 located on the outermost side (left end and right end) among the plurality of heat radiating plates 111 (see FIG. 3).

  In the lens block 12, a main body 120 and a plurality of (11 in the illustrated example) lenses 121 are preferably formed integrally with a light-transmitting synthetic resin material such as acrylic resin or polycarbonate resin (see FIG. 1). ). The main body 120 is formed in a rectangular flat plate shape. The lens 121 is integrally formed on the rear surface of the main body 120 so as to be aligned vertically and horizontally. However, the plurality of lenses 121 are arranged on the rear surface of the main body 120 at positions corresponding to the plurality of LEDs 100 of the LED module 10 (see FIG. 4).

  The waterproof packing 13 is preferably formed in a rectangular frame shape by an elastic material having electrical insulation properties such as silicone rubber (see FIGS. 1 and 3). Moreover, the waterproof packing 13 is comprised so that the base part 110 of the thermal radiation block 11 may be inserted in the recess 130 formed in a rear surface (refer FIG. 4).

  The holding metal fitting 14 includes a holding piece 140 and a fixing piece 141, and a connecting piece 142 that connects the holding piece 140 and the fixing piece 141. The holding piece 140 is formed in a band shape. The connecting piece 142 is formed so as to rise from one end edge along the longitudinal direction of the pressing piece 140 in one direction in the thickness direction of the pressing piece 140. The fixed piece 141 is formed so as to rise in an opposite direction to the pressing piece 140 from an end edge along the longitudinal direction of the connecting piece 142 (see FIGS. 1 and 4). In addition, circular screw insertion holes 1410 are provided at both ends in the longitudinal direction of the fixed piece 141 (see FIG. 1). In addition, it is preferable that the pressing metal fitting 14 is configured by integrally forming the pressing piece 140, the fixing piece 141, and the connecting piece 142 by bending a metal plate such as a stainless steel plate.

  As shown in FIGS. 5 and 6A to 6D, the instrument body 2 includes a frame portion 20, a first fixing portion 21, partition walls 22A and 22B, reinforcing portions 23A and 23B, a second fixing portion 24, and a third fixing portion. 25, a fourth fixing portion 26, a bearing portion 27, and the like. The frame portion 20 is formed in a flat rectangular tube shape from aluminum or an aluminum alloy. In the following description, the upper side wall of the frame 20 is referred to as the upper side wall 200, the lower side wall is referred to as the lower side wall 201, the left side wall is referred to as the left side wall 202, and the right side wall is referred to as the right side wall 203.

  The upper side wall 200 is provided with an inverted U-shaped handle 2000 (see FIG. 5). The handle 2000 is preferably formed in a size that can be easily gripped by a human hand. Further, a circular cable insertion hole 2001 and a pair of screw holes 2002 are provided in the center of the upper side wall 200 in the left-right direction. The pair of screw holes 2002 are provided on both the left and right sides of the cable insertion hole 2001 (see FIG. 6B). Furthermore, four screw holes 2003 are provided in the upper side wall 200 so as to be arranged at intervals in the left-right direction (see FIG. 6B). A circular cable insertion hole and a pair of screw holes are also provided at the center in the left-right direction of the lower side wall 201, similarly to the upper side wall 200. Furthermore, four screw holes are also provided in the lower side wall 201 so as to be arranged at intervals in the left-right direction.

  The partition wall includes a first partition wall 22 </ b> A parallel to the upper side wall 200 and a second partition wall 22 </ b> B parallel to the lower side wall 201. However, a space (opening) 220 between the first partition wall 22A and the second partition wall 22B is narrower than the space between the first partition wall 22A and the upper side wall 200 and between the second partition wall 22B and the lower side wall 201. (See FIGS. 5 and 6A). In addition, it is preferable that a thin plate-shaped reinforcing wall 221 that extends over the first partition wall 22A and the second partition wall 22B is provided at the center in the left-right direction of the space 220.

  Here, the two light source units 1 are arranged side by side in the left-right direction in a region sandwiched between the upper side wall 200 and the first partition wall 22A. Similarly, the remaining two light source units 1 are arranged side by side in the left-right direction in a region sandwiched between the lower side wall 201 and the second partition wall 22B (see FIG. 3). Then, in the center in the left-right direction of these two regions, a first reinforcement 23A straddling the upper side wall 200 and the first partition wall 22A, and a second reinforcement straddling the lower side wall 201 and the second partition wall 22B. It is preferable that each of the portions 23B is provided (see FIGS. 5 and 6A). Here, a hole surrounded by the upper side wall 200, the first partition wall 22A, the first reinforcing portion 23A, and the left side wall 202 is referred to as a first window hole 204, and the upper side wall 200, the first partition wall 22A, and the first reinforcing portion. A hole surrounded by 23A and the right side wall 203 is referred to as a second window hole 205. Further, a hole surrounded by the lower side wall 201, the second partition wall 22B, the second reinforcing portion 23B, and the left side wall 202 is referred to as a third window hole 206, and the lower side wall 201, the second partition wall 22B, and the second reinforcing portion 23B. The hole surrounded by the right side wall 203 is referred to as a fourth window hole 207.

  As shown in FIGS. 5 and 6B, four first fixing portions 21 are provided on the outer side surfaces of the upper side wall 200 and the lower side wall 201, respectively. In addition, four first fixing portions 21 are provided on the surfaces of the first partition wall 22A and the second partition wall 22B facing the space 220 (see FIG. 5). These 16 first fixing portions 21 are constituted by female screws in which screw holes are formed in a semi-cylindrical boss, and are formed so that screws (male screws) are screwed from the rear to the front.

  As shown in FIG. 6A, three second fixing portions 24 are provided on the front surfaces of the upper side wall 200 and the lower side wall 201, respectively. Also, three second fixing portions 24 are provided on the front surfaces of the first partition wall 22A and the second partition wall 22B, respectively (see FIG. 6A). These twelve second fixing portions 24 are constituted by female screws in which screw holes are formed in a semi-cylindrical boss, and are formed so that screws (male screws) are screwed from the front to the rear.

  As shown in FIG. 6A, one third fixing portion 25 is provided at each of the left and right ends of the front surfaces of the upper side wall 200 and the lower side wall 201. In addition, one third fixing portion 25 is provided at each of the left and right ends of the front surfaces of the first partition wall 22A and the second partition wall 22B (see FIG. 6B). These eight third fixing portions 25 are constituted by female screws in which screw holes are formed in a semi-cylindrical boss, and are formed so that screws (male screws) are screwed from the front to the rear (FIG. 6A to FIG. 6). 6D).

  As shown in FIG. 6A, four fourth fixing portions 26 are provided on the inner side surfaces of the upper side wall 200 and the lower side wall 201, respectively. In addition, four fourth fixing portions 26 are provided on the surfaces of the first partition wall 22A and the second partition wall 22B facing the first window hole 204 to the fourth window hole 207, respectively (see FIGS. 3 and 6A). ). These 16 4th fixing | fixed part 26 is comprised with the internal thread by which the screw hole was formed in the semi-cylindrical boss | hub, and it is formed so that a screw (male thread) may be screwed in from the front to the back.

  As shown in FIGS. 6A to 6D, the bearing portion 27 includes a cylindrical outer shell 270 and a female screw portion 271 provided at the center of the outer shell 270. In addition, the bearing portion 27 is preferably supported by the frame portion 20 by the support piece 272. The support piece 272 is formed in a substantially trapezoidal shape when viewed from the axial direction (left-right direction) of the bearing portion 27 (see FIGS. 6C and 6D). A pair of reinforcing ribs 273 and 274 are provided on the left and right sides of the support piece 272, respectively (see FIG. 6B).

  As shown in FIGS. 1 and 3, the support member 4 is formed by integrally forming a fixed plate 40 and a pair of arm pieces 41 that rise upward from the left and right ends of the fixed plate 40. In the fixing plate 40, a circular fixing hole 400 passes through substantially the center, and a semicircular arc-shaped hole 401 centering on the fixing hole 400 passes behind the fixing hole 400. Then, the fixing plate 40 is fixed to a lighting stand or the like with a bolt inserted into the fixing hole 400 and a bolt inserted into the long hole 401. Further, by loosening the bolt inserted into the long hole 401, the direction of the support member 4 (the direction of the optical axis of the light source unit 1) can be changed within a range of about 180 degrees.

  Each of the pair of arm pieces 41 has a circular insertion hole 410 penetrating therethrough at the tip. Then, the bolt 43 inserted through the insertion hole 410 is screwed into the female screw portion 271 of the bearing portion 27. That is, the support member 4 is coupled to the instrument main body 2 via the pair of bearing portions 27 and can rotatably support the instrument main body 2 with the bolt 43 screwed into the female screw portion 271 as a rotation axis (FIG. 2A and FIG. 2B). A disc-shaped scale plate 42 is attached to the left bearing portion 27. The scale plate 42 is engraved with a scale having an angle around the bolt 43 so that the angle of the instrument body 2 with respect to the arm piece 41 can be read (see FIG. 2B).

  As shown in FIG. 1, the panel unit 3 includes two panels 30, two panel pressers 31, and two panel packings 32. Each panel 30 is formed in a rectangular flat plate shape using, for example, a light-transmitting synthetic resin material such as acrylic resin or polycarbonate resin, or a light-transmitting material such as glass. Each panel 30 is formed in a size that can cover two window holes (the first window hole 204 and the second window hole 205 and the third window hole 206 and the fourth window hole 207) in common and from the front. It is preferable. Furthermore, each panel 30 is provided with three semi-cylindrical notches 300 at intervals on the upper and lower edges along the longitudinal direction.

  Each panel packing 32 is formed in a rectangular frame shape with an elastic material such as silicone rubber. Moreover, the groove | channel 321 by which the peripheral part of the panel 30 is fitted is formed in the internal peripheral surface of each panel packing 32 (refer FIG. 4). Furthermore, each panel packing 32 is provided with three hemispherical notches 320 at intervals on the upper edge and the lower edge along the longitudinal direction at positions overlapping with the notches 300 of the panel 30.

  As shown in FIG. 1, each panel retainer 31 includes a rectangular frame-shaped retainer piece 310 and four projecting pieces 311 projecting rearward from the outer peripheral edge excluding the four corners of the retainer piece 310. In addition, it is preferable that the pressing piece 310 and the four protruding pieces 311 are integrally formed of a metal plate such as a stainless steel plate. In addition, the holding pieces 310 are provided with first screw insertion holes 312 at four corners, respectively, and three second screw insertion holes 313 are equally spaced between two first screw insertion holes 312 adjacent in the left-right direction. They are provided side by side (see FIGS. 1 and 3).

  As shown in FIGS. 1 and 2B, the protective cover 5 is formed in a box shape with a pair of first cover bodies 50 and a pair of second cover bodies 51. The pair of first cover bodies 50 constitute the left and right walls of the protective cover 5, and the pair of second cover bodies 51 constitute the upper and lower walls and the rear wall (bottom wall) of the protective cover 5.

  As shown in FIG. 1, the first cover body 50 is formed in a rectangular flat plate shape using a metal plate such as a stainless steel plate. In the first cover body 50, the narrow fixing pieces 500 protrude from the three sides excluding the front side. Each of these three fixing pieces 500 is provided with a plurality (two or four) of screw insertion holes 501 arranged in the longitudinal direction. Further, the first cover body 50 is provided with a trapezoidal notch 502 in the vicinity of the center in the vertical direction on the front end side.

  The second cover body 51 has a rectangular horizontal plate 510 and a rectangular vertical plate 511, and is configured such that the vertical plate 511 rises from the rear edge of the horizontal plate 510. The horizontal plate 510 and the vertical plate 511 are preferably formed integrally with a metal plate such as a stainless steel plate. In the horizontal plate 510, narrow fixing pieces 5100 protrude from the two sides on the left and right sides. Each of these two fixed pieces 5100 is provided with a plurality (two) of screw holes 5101 at both ends in the front-rear direction. Further, the horizontal plate 510 is provided with a hexagonal recess 5102 near the center in the left-right direction on the front end side. Further, the horizontal plate 510 is provided on each of the left and right sides of the recess 5102 in the front end portion so that two screw insertion holes 5103 are arranged at equal intervals.

  The vertical plate 511 is provided at the end portions on the left and right sides so that two screw holes 5110 are arranged at intervals in the vertical direction. Further, the vertical plate 511 of the upper second cover body 51 is provided with a rectangular cutout 5111 near the center in the left-right direction on the lower end side. Similarly, the vertical plate 511 of the lower second cover body 51 is provided with a rectangular notch 5111 near the center in the left-right direction on the upper end side. Further, the second cover body 51 is provided with rectangular cut grooves 5112 on the left and right sides of the notch 5111. Furthermore, the second cover body 51 is provided with one screw insertion hole 5113 near each of the cut grooves 5112.

  The upper and lower fixing pieces 500 of the first cover body 50 are respectively screwed to the fixing pieces 5100 of the horizontal plates 510 of the second cover bodies 51, and the fixing pieces 500 behind the first cover body 50 are respectively two second pieces. The protective cover 5 is assembled by being screwed to the vertical plate 511 of the cover body 51. The protective cover 5 configured as described above is attached to the instrument body 2 so as to cover the heat dissipation blocks 11 of the four light source units 1 as shown in FIGS. 2A and 2B. However, the protective cover 5 is provided with a large number of vent holes 52 arranged in the vertical direction, the horizontal direction, and the longitudinal direction in order to release heat radiated from the heat dissipation block 11 (see FIGS. 1, 2A, and 2B). .

  As shown in FIG. 1, the connection box 6 includes a box body 60, a lid 61, a terminal block 62, a box packing 63, a cable holding portion 64, and the like. The box body 60 is preferably formed in a rectangular box shape whose rear surface is opened by aluminum die casting. The box body 60 is integrally formed with a rectangular frame-shaped outer casing 600 over the entire circumference of the open end (rear end). Screw holes 601 are provided at the four corners of the outer casing 600, respectively.

  Further, the box body 60 is provided with two inlets 602 arranged in the left-right direction on the front surface (bottom surface). Electric cables (feed lines) 65 for feeding power to the light source unit 1 are respectively inserted into these two introduction ports 602 (see FIG. 10). Further, the gap between the introduction port 602 and the electric cable 65 is closed by the cable holding portion 64 screwed to the inner bottom surface of the box body 60. In addition, it is preferable that such a cable holding | maintenance part 64 is comprised with a waterproof type cable gland, for example. Further, the box body 60 is provided with a drawing port at the center of the lower surface. The power cable is drawn through this drawing port. In addition, the clearance between the lead-in port and the power cable is closed by a waterproof cable gland 66 (see FIG. 2B).

  The terminal block 62 is screwed to the inner bottom surface of the box body 60. The terminal block 62 includes a plurality of pairs of screw terminals, and a conductor of the power cable and a conductor of the electric wire 650 of the electric cable 65 are electrically connected to each screw terminal. That is, power (DC power) supplied from the power supply unit installed outside via the power cable is fed from the terminal block 62 to the four light source units 1 via the electric cable 65.

  The lid 61 is formed by aluminum die casting into a rectangular plate shape whose vertical and horizontal dimensions are substantially equal to the vertical and horizontal dimensions of the outer casing 600 of the box body 60. In addition, screw insertion holes 610 are provided at the four corners of the lid 61 (see FIG. 1). The box packing 63 is formed in a rectangular frame shape by an elastic material such as silicone rubber. The box packing 63 is fitted into a recess formed on the surface (rear surface) of the outer casing 600. The lid 61 is put on the outer casing 600 from the rear, and four screws inserted into the screw insertion holes 610 are screwed into the screw holes 601 at the four corners of the outer casing 600 and fixed to the box body 60. Then, the gap between the lid 61 and the outer casing 600 is closed with the box packing 63.

  By the way, a pair of mounting pieces 603 projecting outward along the left-right direction are respectively provided on the left and right ends of the front surface (outer bottom surface) of the box body 60 so as to be aligned vertically (see FIG. 1). ). In addition, screw holes 604 are provided at the distal ends of the four attachment pieces 603, respectively.

  Next, the assembly procedure of the lighting fixture A according to this embodiment will be described. However, the assembly procedure described below is an example, and some procedures may be replaced. In addition, it is preferable that the support member 4 is attached to the instrument body 2 first.

  First, the worker of the assembly work attaches the two LED modules 10 to the base portion 110 of the heat dissipation block 11 by screwing. Further, the worker electrically connects the electric wires 650 (conductors) of the electric cable 65 to the respective quick connection terminal blocks 102 of the two LED modules 10. However, the electric cable 65 is preferably an eight-core type electric cable in which eight electric wires 650 are covered with a sheath. Subsequently, the worker attaches the waterproof packing 13 to the base portion 110 of the heat dissipation block 11. That is, as shown in FIG. 4, the operator may fit the base portion 110 in the recess 130 of the waterproof packing 13 over the entire circumference. And an operator protrudes in the groove | channel 131 formed in the outer peripheral surface of the waterproof packing 13 toward the 1st-4th window holes 204-207 from the rear end of the upper wall 200 of the instrument main body 2, and the lower wall 201. The part to be inserted is inserted (see FIG. 4). Further, the operator inserts the holding piece 140 of the holding fitting 14 into the groove 132 on the rear end side of the waterproof packing 13, and inserts the screw inserted into the screw insertion hole 1410 of the fixing piece 141 of the holding fitting 14 into the first part of the instrument main body 2. 1 Screw into the fixed part 21. As a result, the base portion 110 is sandwiched between the frame portion 20 and the partition wall (first partition wall 22A, second partition wall 22B) of the instrument body 2 and the pressing piece 140 of the pressing metal member 14 via the waterproof packing 13. It is fixed to the instrument body 2 (see FIG. 4). Further, the operator inserts the electric cable 65 connected to the quick connection terminal block 102 through the cable insertion hole 2001 of the upper side wall 200 and the cable insertion hole of the lower side wall 201 and pulls it out of the frame part 20. At this time, the operator inserts the electric cables 65 of the two light source units 1 attached to the positions of the first window hole 204 and the second window hole 205 into the cable insertion hole 2001 of the upper side wall 200 to insert the frame portion 20. Pull out the outside. On the other hand, the operator inserts the electric cables 65 of the two light source units 1 attached at the positions of the third window hole 206 and the fourth window hole 207 into the cable insertion holes of the lower side wall 201 and removes them from the frame portion 20. Pull out. The two quick connection terminal blocks 102 are mounted so as to be inclined with respect to the longitudinal direction of the mounting substrate 101. Therefore, when inserting the electric cable 65 having the electric wire 650 to be inserted into and connected to one quick connection terminal block 102 of each LED module 10 into the cable insertion hole 2001, the worker gently does not bend the electric wire 650 suddenly. Just bend. As a result, the force applied to the electric wire 650 and the quick connection terminal block 102 can be suppressed.

  Further, the operator screws the cable gland 208 into the screw holes 2002 of the upper side wall 200 and the lower side wall 201 (see FIG. 10). Then, the operator screws the lens block 12 on the fourth fixing portion 26 of the instrument body 2. In this way, the attachment of the light source unit 1 to the instrument body 2 is completed.

  Next, the operator inserts the peripheral portion of the panel 30 into the groove 321 on the inner peripheral surface of the panel packing 32, and inserts the panel 30 and the panel packing 32 into the frame portion 20 of the instrument body 2 from the front (FIG. 7). reference). Then, the operator puts the panel presser 31 on the front side of the panel packing 32, screws the screws inserted into the first screw insertion holes 312 at the four corners into the third fixing portion 25 of the instrument body 2, and inserts the second screw The screw inserted through the hole 313 is screwed into the second fixing portion 24 of the instrument body 2. In this way, the panel 30 and the panel packing 32 are sandwiched between the instrument main body 2 and the panel presser 31 and fixed to the instrument main body 2 (see FIG. 4). In this way, the attachment of the panel unit 3 to the instrument body 2 is completed (see FIGS. 7, 8, 9A, and 9B).

  Next, the operator introduces the electric cable 65 drawn out of the frame portion 20 into the box main body 60 from the introduction port 602 of the box main body 60, and connects the electric wire 650 of the electric cable 65 to the screw terminal of the terminal block 62. To do.

  Subsequently, the operator attaches the second cover body 51 to the instrument main body 2. First, the operator attaches the second cover body 51 to the lower side wall 201 by screwing the screws inserted into the screw insertion holes 5103 in front of the horizontal plate 510 into the screw holes on the lower surface of the lower side wall 201, respectively. Subsequently, the operator inserts the mounting piece 603 of the box body 60 into the cut groove 5112 of the vertical plate 511 of the second cover body 51, and attaches the screw inserted through the screw insertion hole 5113 of the vertical plate 511 from the rear. Screw into the screw hole 604 of the piece 603. Next, the operator attaches the second cover body 51 to the upper side wall 200 by screwing the screws respectively inserted into the screw insertion holes 5103 in front of the horizontal plate 510 into the screw holes 2003 on the upper surface of the upper side wall 200. Subsequently, the operator inserts the mounting piece 603 of the box body 60 into the cut groove 5112 of the vertical plate 511 of the second cover body 51, and attaches the screw inserted through the screw insertion hole 5113 of the vertical plate 511 from the rear. Screw into the screw hole 604 of the piece 603. In this way, the connection box 6 is attached to the pair of second cover bodies 51. However, the operator may attach the pair of second cover bodies 51 to the instrument body 2 after attaching the connection box 6 to the pair of second cover bodies 51.

  Next, the operator attaches the two first cover bodies 50 to the left and right sides of the pair of second cover bodies 51, respectively. That is, the operator uses four screws inserted into the two screw insertion holes 501 of the upper and lower two fixing pieces 500 of the first cover body 50 and the two upper and lower fixing pieces 5100 of the two second cover bodies 51. Screw into each of the two screw holes 5110. Further, the operator inserts the four screws inserted into the four screw insertion holes 501 of the fixing piece 500 behind the first cover body 50 into the two screw holes 5110 of the vertical plates 511 of the two second cover bodies 51. Screw in each. In this way, the two first cover bodies 50 are combined with the two second cover bodies 51 to assemble the protective cover 5, and the protective cover 5 is attached to the instrument body 2 (see FIG. 2).

  The lighting fixture A according to the present embodiment is assembled by the procedure as described above.

  By the way, the lighting fixture A which concerns on this embodiment provides the space 15 in which the electric cable 65 is drawn between the thermal radiation blocks 11 of the two light source units 1 adjacent to the left-right direction, and provides four light source units 1. Is configured to be supported by the instrument body 2 (see FIGS. 9 and 10).

  That is, the electric cable 65 inserted through the cable insertion hole 2001 in the upper side wall 200 passes through the space 15 (15A) between the two upper light source units 1 (the heat dissipation block 11) to the inlet 602 of the connection box 6. Is routed (see FIGS. 9 and 10). On the other hand, the electric cable 65 inserted into the cable insertion hole of the lower side wall 201 is drawn to the introduction port 602 of the connection box 6 through the space 15 (15B) between the two lower light source units 1 (the heat dissipation block 11). Turned (see FIG. 9).

  Since the lighting fixture A according to the present embodiment is configured as described above, it is possible to facilitate the work of routing the electric cable 65 by the operator. That is, when the space 15 as described above is not provided, for example, the operator draws the electric cable 65 between the adjacent heat sinks 111 or draws the electric cable 65 so as to bypass the periphery of the light source unit 1. Have to turn. On the other hand, in the lighting fixture A according to the present embodiment, the electric cable 65 can be routed in the space 15 provided between the heat radiation blocks 11 of the two adjacent light source units 1, so that the electrical cable 65 is routed. Can be facilitated.

  Here, in the space 15, a part of the heat pipe 112 of the two light source units 1 adjacent in the left-right direction is arranged. If the distance between the heat pipes 112 of the two light source units 1 is larger than the thickness of the electric cable 65, there is a high possibility that the electric cable 65 enters and is sandwiched between the plurality of heat pipes 112. And when the electric cable 65 enters and is pinched | interposed between the several heat pipes 112, there exists a possibility that malfunctions, such as a fall of the heat dissipation of the heat dissipation block 11, may generate | occur | produce.

  Therefore, the luminaire A according to the present embodiment is preferably configured so that the distance between the heat pipes 112 of the two light source units 1 is not larger than the thickness of the electric cable 65. If the distance between the heat pipes 112 of the two light source units 1 is not larger than the thickness of the electric cable 65, the electric cable 65 can hardly enter between the plurality of heat pipes 112. Furthermore, in the lighting fixture A according to the present embodiment, it is preferable that at least a part of the plurality of heat pipes 112 disposed in the space 15 is disposed so as to overlap each other when viewed from the vertical direction (see FIG. 10). That is, in the heat dissipation block 11 of the light source unit 1, the position of the heat pipe 112 protruding outward from the left end heat sink 111 and the position of the heat pipe 112 protruding outward from the right end heat sink 111 are shifted in the vertical direction. (See FIG. 9). As a result, a part of the heat pipe 112 of the light source unit 1 on the left side (right side in FIG. 9) and a part of the heat pipe 112 of the light source unit 1 on the right side (left side in FIG. 9) are alternately arranged in the vertical direction. As shown in FIG. If the lighting fixture A which concerns on this embodiment is comprised as mentioned above, the distance between the two light source units 1 adjacent to the left-right direction can be made small, and size reduction of the fixture main body 2 can be achieved.

  As described above, the lighting fixture A according to the present embodiment includes a plurality of light source units 1, a fixture body 2 that supports the plurality of light source units 1, and a power supply line (electric cable 65 for supplying power to the plurality of light source units 1. ). The plurality of light source units 1 are thermally coupled to a plurality of solid state light emitting elements (LEDs 100), a mounting substrate 101 on which the plurality of LEDs 100 are mounted, and a surface of the mounting substrate 101 opposite to the LED 100 mounting surface. A heat radiating member (heat radiating block 11). The heat dissipation block 11 includes a base portion 110 to which the mounting substrate 101 is attached on the front surface, and a plurality of heat dissipation plates 111 protruding rearward from the rear surface of the base portion 110. The instrument body 2 supports a plurality of light source units 1, and a space 15 (15 </ b> A, 15 </ b> B) through which the electric cable 65 passes is provided between the heat radiation blocks 11 of the adjacent light source units 1. An electric cable 65 is arranged.

  If the lighting fixture A which concerns on this embodiment is comprised as mentioned above, the electric cable 65 can be drawn around to the space 15 provided between the thermal radiation blocks 11 of two adjacent light source units 1. As a result, the lighting fixture A according to the present embodiment can facilitate the operation of routing the electric cable 65.

  Moreover, in the lighting fixture A which concerns on this embodiment, it is preferable that the electric cable 65 is electrically connected with the light source unit 1 at one end side, and is electrically connected with the terminal block 62 at the other end side. The terminal block 62 is preferably accommodated in the connection box 6 formed in a box shape.

  If the lighting fixture A which concerns on this embodiment is comprised as mentioned above, the improvement of workability | operativity of the operation | work which electrically connects the electric cable 65 with a power supply unit can be aimed at.

  Furthermore, in the lighting fixture A which concerns on this embodiment, it is preferable to have the protective cover 5 which surrounds the thermal radiation block 11 of the several light source unit 1. FIG. The connection box 6 is preferably attached to the protective cover 5 so as to be exposed to the outside of the protective cover 5.

  If the lighting fixture A which concerns on this embodiment is comprised as mentioned above, it will aim at the improvement of workability | operativity of the operation | work which electrically connects the electric cable 65 with a power supply unit, protecting the thermal radiation block 11 with the protective cover 5. FIG. be able to.

  Moreover, in the lighting fixture A which concerns on this embodiment, it is preferable that the thermal radiation block 11 has the some heat pipe 112. FIG. The plurality of heat pipes 112 are preferably thermally coupled to the base portion 110 at one end and are thermally coupled to the plurality of heat sinks 111 at portions other than the one end. Further, at least a part of the plurality of heat pipes 112 is preferably disposed in the space 15 so as to protrude outwardly from the outermost heat sink 111 among the plurality of heat sinks 111. In addition, at least a part of the plurality of heat pipes 112 is preferably configured such that the distance between the adjacent heat pipes 112 is not larger than the thickness of the electric cable 65.

  If the lighting fixture A according to the present embodiment is configured as described above, the electric cable 65 can be made difficult to enter between the plurality of heat pipes 112.

  Furthermore, in the lighting fixture A according to the present embodiment, it is preferable that at least a part of the plurality of heat pipes 112 arranged in the space 15 is configured to overlap each other when viewed from the radial direction (vertical direction) of the part. .

  If the lighting fixture A which concerns on this embodiment is comprised as mentioned above, the distance between the two light source units 1 adjacent on both sides of the space 15 can be made small, and size reduction of the fixture main body 2 can be achieved. Further, if the lighting fixture A according to the present embodiment is configured as described above, the gap between the heat pipes 112 is eliminated, and the power cable 65 is placed on the heat pipe 112 positioned in the space 15 and passed therethrough. Can be routed. Therefore, the lighting fixture A according to the present embodiment can prevent the power cable 65 from entering the gap between the adjacent heat pipes 112, and can easily connect the power cable 65 to the connection box 6.

DESCRIPTION OF SYMBOLS 1 Light source unit 2 Instrument body 5 Protective cover 6 Connection box 11 Heat radiation block (heat radiation member)
15 (15A, 15B) Space 62 Terminal block 65 Electric cable (feed line)
100 LED (solid state light emitting device)
101 Mounting board 110 Base part 111 Heat sink 112 Heat pipe

Claims (5)

A plurality of light source units, an instrument body that supports the plurality of light source units, and a power supply line for supplying power to the plurality of light source units,
The plurality of light source units thermally includes a plurality of solid state light emitting devices, a mounting substrate on which the plurality of solid state light emitting devices are mounted, and a surface of the mounting substrate opposite to the mounting surface of the solid state light emitting devices. A heat radiating member to be coupled, and the heat radiating member has a base part to which the mounting substrate is attached on the front surface, and a plurality of heat radiating plates protruding rearward from the rear surface of the base part,
The instrument body supports the plurality of light source units, and a space for passing the power supply line is provided between the heat radiation members of the adjacent light source units, and the power supply line is disposed in the space. It is comprised so that the lighting fixture characterized by the above-mentioned.   The power supply line is electrically connected to the light source unit at one end side and electrically connected to a terminal block at the other end side, and the terminal block is accommodated in a connection box formed in a box shape. The lighting fixture according to claim 1.   The lighting apparatus according to claim 2, further comprising a protective cover that surrounds the heat dissipation member of the plurality of light source units, wherein the connection box is attached to the protective cover so as to be exposed to the outside of the protective cover. .   The heat dissipating member has a plurality of heat pipes, and the heat pipes are thermally coupled to the base portion at one end and thermally coupled to the plurality of heat radiating plates at a portion excluding the one end. Further, at least a part of the plurality of heat pipes is arranged in the space so as to protrude outward from the heat radiating plate located on the outermost side among the plurality of heat radiating plates, and between the adjacent heat pipes. The lighting apparatus according to any one of claims 1 to 3, wherein the interval is configured to have a size that is not larger than a thickness of the feeder line.   The lighting fixture according to claim 4, wherein at least a part of the plurality of heat pipes arranged in the space is configured to overlap each other when viewed from a radial direction of the part.

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