JP2019133859A - Lighting source unit and lighting fixture - Google Patents

Abstract

To suppress generation of noise.SOLUTION: A light source unit W1 includes: an LED module 1 as a solid light source; a metal mounting member 2 supporting the LED module 1 and mounted on a fixture body 6 of a lighting fixture X1; and a synthetic resin cover (cover body 30) mounted on the mounting member 2. The cover body 30 is longitudinally formed. The mounting member 2 is longitudinally formed and includes one or a plurality of projection part(s) 26 projecting toward the cover body 30 on a face facing the cover body 30 along the longitudinal direction of the cover body 30. The light source unit W1 suppresses generation of noise caused by difference in thermal expansion coefficient between the cover body 30 and the mounting member 2 by reducing a contact area between the cover body 30 and the mounting member 2 because the mounting member 2 has the projection part(s) 26.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a light source unit and a lighting fixture, and more particularly, to a light source unit using a light emitting diode as a light source, and a lighting fixture having the light source unit.

  As a conventional example, a light source unit and a lighting fixture described in Patent Document 1 are illustrated. The light source unit described in Patent Document 1 includes an LED board on which a plurality of light emitting diodes (hereinafter referred to as LEDs) are mounted, an attachment member to which the LED board is attached, and a diffusible LED board. And a cover member attached to the attachment member so as to cover.

  The attachment member is formed in a U shape by a metal plate. The attachment member has a bottom surface portion formed in a long rectangular plate shape to which the LED substrate is attached, and a pair of side surface portions that respectively rise in the thickness direction of the bottom surface portion from both ends along the longitudinal direction of the bottom surface portion. In addition, an inclined portion that is inclined outward is provided over the entire length at the tip of the pair of side surface portions.

  On the other hand, the cover member is formed long with a synthetic resin material having translucency. Further, the cover member is provided with a pair of projecting wall portions protruding from both ends along the longitudinal direction over the entire length. Protrusions projecting inward are provided at the tips of the pair of projecting walls.

  The cover member is attached to the attachment member by hooking projections provided at the distal ends of the pair of projecting wall portions to inclined portions provided at the distal ends of the pair of side surface portions of the attachment member.

JP 2014-78511 A

  By the way, in the conventional example described in Patent Document 1, when a temperature change occurs, the metal attachment member and the cover member made of synthetic resin have a large difference in thermal expansion coefficient, and thus contact with the attachment member of the cover member. There was a possibility that abnormal noise was generated from the part.

  This invention is made | formed in view of the said subject, and aims at suppressing generation | occurrence | production of abnormal noise.

  The light source unit of the present invention includes a plurality of solid light sources, a metal attachment member that supports the solid light sources and is attached to a fixture body of a lighting fixture, and a synthetic resin cover that is attached to the attachment member. The cover is formed in a long shape, the attachment member is formed in a long shape, and one or a plurality of protrusions projecting toward the cover on a surface facing the cover along a longitudinal direction of the cover It has the part.

  The lighting fixture of this invention is equipped with the said light source unit and the fixture main body which supports the said light source unit, It is characterized by the above-mentioned.

  The light source unit and the lighting fixture of the present invention have an effect that generation of abnormal noise can be suppressed.

FIG. 1 is a perspective view of a lighting fixture and a light source unit according to the first embodiment. FIG. 2 is an exploded perspective view of the lighting fixture and the light source unit according to the embodiment. FIG. 3 is a side view showing the light source unit according to the embodiment and omitting the end member. FIG. 4 is an exploded perspective view in which a part of the light source unit according to the embodiment is omitted. FIG. 5 is an exploded perspective view in which a part of the light source unit according to the embodiment is omitted. FIG. 6A is a front view of an essential part of an attachment member and a cover body in the light source unit according to the embodiment. FIG. 6B is a view of an example of a dowel as seen from the protruding direction. FIG. 6C is a view of another example of the dowel as seen from the protruding direction. FIG. 7A is a front view of the main part of the mounting member and the cover body in the light source unit according to the second embodiment. FIG. 7B is a perspective view of a portion where an upright portion of the attachment member is provided. FIG. 8A is a front view of the main part of the mounting member and the cover body in the light source unit according to the third embodiment. FIG. 8B is a side view of a portion where the bridge portion of the attachment member is provided. FIG. 8C is a perspective view of a portion where the bridge portion of the attachment member is provided.

  Hereinafter, the light source unit W1 according to the first embodiment and the lighting fixture X1 according to the first embodiment will be described in detail with reference to FIGS. 1 to 6C. Note that the configuration described in the first embodiment below is merely an example of the present disclosure. The present disclosure is not limited to the first embodiment described below, and various modifications can be made according to the design and the like as long as they do not depart from the technical idea according to the present disclosure.

  As shown in FIGS. 1 and 2, the lighting fixture X1 according to the first embodiment (hereinafter abbreviated as lighting fixture X1) is a light source unit W1 according to the first embodiment (hereinafter abbreviated as light source unit W1). An instrument body 6. However, in the following description, unless otherwise specified, the front, rear, top, bottom, and left and right directions are defined in the direction shown in FIG. That is, the longitudinal direction of the lighting fixture X1 is the left-right direction, the height direction of the lighting fixture X1 is the up-down direction, and the width direction (short direction) of the lighting fixture X1 is the front-back direction.

  As shown in FIGS. 1 and 2, the instrument body 6 includes a top plate unit 60, a reflector plate unit 61, and a frame body 62. The top plate unit 60 includes a top plate 600 formed in a long rectangular flat plate shape, and a pair of side walls 601 that fall downward from the front end and the rear end of the top plate 600. In the top plate unit 60, for example, it is preferable that the top plate 600 and the pair of side walls 601 are integrally formed by bending a metal plate such as a galvanized steel plate. The top plate 600 is provided with a round hole 602 into which the power supply line is drawn in substantially the center in the left-right direction. Further, the top plate 600 is provided with long holes 603 through which the suspension bolts are inserted at positions close to both ends in the left-right direction. A terminal block 63 is attached near the round hole 602 on the lower surface of the top plate 600. The terminal block 63 is electrically connected to a power line drawn from the round hole 602. In addition, it is preferable that three electric wires including the ground wire are drawn out from the terminal block 63. It is preferable that a plug connector is electrically connected to the tips of these three electric wires.

  As shown in FIG. 2, the reflector unit 61 includes a pair of first reflectors 610 and a pair of second reflectors 611. The pair of first reflection plates 610 are formed in a long rectangular flat plate shape that is approximately the same as the length of the top plate 600 in the left-right direction. One first reflector 610 is provided so as to be inclined downward and forward from the lower end of the front side wall 601. The other first reflector 610 is provided so as to incline downward and backward from the lower end of the rear side wall 601. The pair of second reflecting plates 611 is formed in a trapezoidal shape. One of the second reflecting plates 611 has a front end coupled to the left end of the front first reflecting plate 610 and a rear end coupled to the left end of the rear first reflecting plate 610. The other second reflecting plate 611 has a front end coupled to the right end of the front first reflecting plate 610 and a rear end coupled to the right end of the rear first reflecting plate 610. That is, the reflecting plate unit 61 is formed in a long square frustum shape with the upper and lower surfaces open.

  The frame body 62 is formed in a long rectangular frame shape. The frame 62 is coupled to the lower end of the reflector unit 61 (see FIGS. 1 and 2).

  The appliance body 6 configured as described above is suspended by a ceiling plate unit 60 and a reflector plate unit 61 inserted into a rectangular embedding hole provided in a ceiling plate (ceiling finishing material) and suspended from a ceiling slab. The top plate 600 of the top plate unit 60 is attached to the bolt. The frame body 62 is configured to hit the lower surface (ceiling surface) of the ceiling material from below and close the gap between the edge of the ceiling material embedding hole and the reflection plate unit 61.

  As shown in FIGS. 2 and 3, the light source unit W1 includes a plurality (two in the illustrated example) of solid state light sources, an LED module 1, a mounting member 2, a cover 3, a light distribution panel 4, a power supply unit 5, and the like. .

  The LED module 1 includes a plurality of light emitting diodes (LEDs) 10 and a substrate 11 as shown in FIG. The board | substrate 11 is formed in the rectangular flat plate shape which makes the left-right direction a longitudinal direction. The LED 10 is, for example, a white light emitting diode that emits white light, and is mounted in the center of the front and rear direction (short direction) on the lower surface of the substrate 11 in a line at equal intervals along the left and right direction (longitudinal direction). ing. In addition, a connector for electrically connecting the power supply unit 5 is mounted on the end of one LED module 1. Moreover, the connector for power supply is each mounted in the edge part which opposes the LED module 1 which adjoins in the two LED modules 1. FIG. Then, the lighting power (DC power supplied from the power supply unit 5) is relayed from one LED module 1 to the other LED module 1 by electrically connecting the connectors of the two LED modules 1.

  The mounting member 2 includes a bottom plate 20 formed in a long rectangular flat plate shape, and a pair of side plates 21 formed in a long rectangular flat plate shape and projecting upward from both ends along the left-right direction of the bottom plate 20. Have. In addition, as for the attachment member 2, it is preferable that the bottom plate 20 and a pair of side plate 21 are integrally formed by bending metal plates, such as a galvanized steel plate. Further, hook portions 22 having a substantially cylindrical shape are respectively provided at the upper ends of the pair of side plates 21 (see FIG. 3).

  As for the baseplate 20, the center part of the front-back direction is dented upwards, and the LED module 1 is arrange | positioned in the center part. In addition, a plurality of fixing pieces 23 are cut and raised at the front and rear ends of the center portion of the bottom plate 20 at intervals in the left-right direction (see FIG. 3). The plurality of fixing pieces 23 are configured to support the substrate 11 of the LED module 1 by bending the tip portion inward.

  Moreover, it is preferable that the attachment member 2 is provided with a pair of hook metal fittings 24 and a pair of hook springs 25. The pair of hooks 24 are formed in the shape of bowls, and are provided in the vicinity of the left and right ends of the bottom plate 20 so that the tip portions of the hooks 24 climb over the rear side plate 21 (see FIG. 3). The pair of hooks 24 are hooked in hook holes 64 provided in the instrument body 6 (see FIG. 2). Further, the pair of hook springs 25 are constituted by torsion coil springs, and are respectively provided in the vicinity of the left and right ends at the front end of the bottom plate 20 (see FIG. 3). One end of each of the pair of hook springs 25 is hooked on a spring receiving bracket provided on the instrument body 6. That is, the attachment member 2 is detachably attached to the instrument body 6 by the pair of hook metal fittings 24 and the pair of hook springs 25.

  The power supply unit 5 includes a power supply board and a case 50 that houses the power supply board (see FIG. 3). The power supply board is composed 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 and a diode) necessary for generating the lighting power of the LED module 1. , Capacitors, etc.) are mounted. A receptacle connector 51 is mounted on the left end of the power supply board. The receptacle connector 51 is connected to a plug connector provided at the distal ends of the three wires drawn from the terminal block 63 so as to be inserted and removed. The case 50 is formed in a rectangular box shape from a metal material. In addition, the case 50 is preferably attached to the upper surface of the bottom plate 20 of the attachment member 2 using, for example, screws (see FIG. 3).

  As shown in FIG. 2, the cover 3 includes a cover body 30 and a pair of end members 31. The cover main body 30 includes a front plate portion 300, a diffusion portion 301, a pair of side plate portions 302, a pair of first protruding plate portions 303, a pair of second protruding plate portions 304, a pair of hooking portions 305, and the like (see FIG. 3). The front plate portion 300 is formed in a long rectangular plate shape with the left-right direction as the longitudinal direction. The diffusing portion 301 is formed in a long semi-cylindrical shape that is a curved surface having a downward convex shape when viewed from the longitudinal direction (left-right direction). Each of the pair of first projecting plate portions 303 is formed in a long rectangular plate shape. One first protruding plate portion 303 protrudes forward from the front end along the longitudinal direction of the diffusing portion 301. The other first protruding plate portion 303 protrudes rearward from the rear end along the longitudinal direction of the diffusing portion 301. Each of the pair of side plate portions 302 is formed in a long rectangular plate shape whose shape viewed from the longitudinal direction (left-right direction) is approximately V-shaped. One side plate portion 302 is formed so as to connect the front end of the front plate portion 300 and the front end of the front first protruding plate portion 303. The other side plate portion 302 is formed so as to connect the rear end of the front plate portion 300 and the rear end of the first projecting plate portion 303 on the rear side. Here, the front side plate portion 302 is provided with a narrow protrusion 3060 that protrudes in parallel with the upper surface of the front plate portion 300 from the lower rear surface over the entire length in the left-right direction. Similarly, the rear side plate portion 302 is provided with a narrow protrusion 3060 that protrudes in parallel with the upper surface of the front plate portion 300 from the lower front surface over the entire length in the left-right direction. A long space (gap) formed between the pair of protrusions 3060 and the front plate portion 300 is referred to as a holding groove 306.

  Each of the pair of second protruding plate portions 304 is formed in a long rectangular plate shape. One of the second projecting plate portions 304 is formed so as to stand upward from substantially the center in the front-rear direction on the upper surface of the front first projecting plate portion 303. The other second projecting plate portion 304 is formed so as to stand upward from substantially the center in the front-rear direction on the upper surface of the rear first projecting plate portion 303. Each of the pair of second projecting plate portions 304 is provided with a pair of screw insertion holes. The pair of screw insertion holes is a long hole whose longitudinal direction is the left-right direction, and is provided at a position that is substantially equidistant with respect to the center of the second projecting plate portion 304 in the left-right direction. Each of the pair of hook portions 305 is formed in a long semi-cylindrical shape whose shape viewed from the longitudinal direction (left-right direction) is approximately C-shaped. One hooking portion 305 is formed so as to protrude upward from the upper end of the front-side second protruding plate portion 304 and to have the opening directed rearward. The other hooking portion 305 is formed so as to protrude upward from the upper end of the rear second projecting plate portion 304 and to have the opening directed forward.

  By the way, the front plate portion 300, the diffusion portion 301, the pair of side plate portions 302, the pair of first projecting plate portions 303, the pair of second projecting plate portions 304, the pair of hook portions 305, and the pair of protrusions 3060 are made of a synthetic resin material (for example, , Polycarbonate resin). However, the diffusing portion 301 excluding the front plate portion 300, the pair of side plate portions 302, the pair of first projecting plate portions 303, the pair of second projecting plate portions 304, the pair of hooking portions 305, and the pair of protrusions 3060 are, for example, acrylic resin And a diffusion material made of fine particles of silicone resin are mixed. On the other hand, the front plate portion 300 is colorless and transparent (transmittance is almost 100%) because no diffusing material is mixed therein. Furthermore, the diffusion part 301 and the pair of side plate parts 302 are mixed with, for example, an amount of diffusion material having a transmittance of about 60% to 90%. In contrast, the pair of first projecting plate portions 303, the pair of second projecting plate portions 304, and the pair of hooking portions 305 have a transmittance of approximately 0%, that is, an amount of diffusing material that does not transmit is mixed. . Such a cover body 30 is preferably formed by multicolor extrusion.

  The pair of end members 31 have substantially the same shape as the outer shape when the front plate portion 300, the diffusion portion 301, the pair of side plate portions 302, and the pair of first projecting plate portions 303 of the cover body 30 are viewed from the longitudinal direction (left-right direction). It is formed in a plate shape (see FIGS. 4 and 5). The pair of end members 31 are respectively attached to the left end and the right end of the cover body 30 in a state where the light distribution panel 4 is held in the holding groove 306 of the cover body 30. The pair of end members 31 are preferably joined to the cover body 30 by an appropriate method such as adhesion or ultrasonic welding.

  The light distribution panel 4 is formed in a long rectangular plate shape by using a synthetic resin material having translucency such as acrylic resin (see FIG. 2). Further, the light distribution panel 4 has one surface (upper surface) formed flat, and a plurality of prisms 40 formed on the other surface. As shown in FIGS. 4 and 5, these prisms 40 have a long triangular prism shape whose longitudinal direction is the front-rear direction, and are parallel to each other along the longitudinal direction (left-right direction) of the light distribution panel 4. It is provided to line up at intervals. As shown in FIG. 3, the light distribution panel 4 has the front end portion and the rear end portion of the cover body with the surface on which the prism 40 is provided (hereinafter referred to as the prism surface) facing the front plate portion 300. It is held in a pair of 30 holding grooves 306. However, as shown in FIGS. 4 and 5, the light distribution panel 4 is preferably inserted into the holding groove 306 from one end side in the longitudinal direction (left-right direction) of the cover body 30. The light distribution panel 4 collects the light (illumination light) of the LED module 1 diffused by the diffusing unit 301, thereby suppressing unpleasant glare when viewed from the longitudinal direction (left-right direction).

  Next, the assembly procedure of the light source unit W1 will be described. The worker who performs the assembly work attaches the power supply unit 5 to the upper surface side of the bottom plate 20 of the attachment member 2, and further fixes the LED module 1 to the upper surface of the bottom plate 20 of the attachment member 2. Subsequently, the operator inserts the output line of the power supply unit 5 into the hole provided in the bottom plate 20 of the mounting member 2, and provides the plug connector provided at the end of the output line at the end of the LED module 1. Plug and connect to the connector (receptacle connector).

  Further, the operator assembles the cover 3 by inserting the light distribution panel 4 into the holding groove 306 from one end side of the cover body 30 and then attaching and joining the end members 31 to both ends of the cover body 30. Then, the operator inserts the attachment member 2 between the pair of second projecting plate portions 304 of the cover 3, and the hook portions 305 at the upper ends of the pair of second projecting plate portions 304 are covered with the pair of side plates 21 of the attachment member 2. Hook the hooks 22 respectively. Further, the operator inserts the stepped screws 32 into the plurality of screw insertion holes provided in the pair of second projecting plate portions 304 of the cover 3, and these stepped screws 32 are connected to the pair of side plates of the mounting member 2. The screw holes 21 are respectively screwed into the screw holes (see FIG. 3). The light source unit W1 is assembled by the procedure as described above.

  Next, the construction procedure of the lighting fixture X1 will be described. First, the worker who performs the construction work inserts a plurality of suspension bolts provided in the casing on the back of the ceiling into the plurality of elongated holes 603 of the instrument main body 6 and screws nuts into the plurality of suspension bolts. The main body 6 is fixed to the suspension bolt. Subsequently, the operator electrically connects the power line drawn from the round hole 602 of the top plate 600 to the terminal block 63. Then, the operator hooks the pair of hooks 24 provided on the attachment member 2 in the hook holes 64 of the instrument body 6 and then is provided at the tips of the three wires drawn from the terminal block 63. The plug connector is connected to the receptacle connector 51 of the power supply unit 5. Then, the operator hooks the tips of the pair of hook springs 25 provided on the mounting member 2 on the spring catches provided on the instrument body 6, and then uses the pair of hooks 24 as a fulcrum for the light source unit W1. Rotate. Then, the light source unit W1 is held by the instrument main body 6 by the spring force of the hook spring 25 by returning to the original state while the hook spring 25 is hooked on the spring support fitting (see FIG. 1). The lighting fixture X1 is constructed on the ceiling by the procedure as described above.

  Here, the mechanism of abnormal noise generation described in the prior art will be briefly described. This abnormal noise is considered to be generated due to a difference in thermal expansion coefficient between the metal mounting member 2 and the synthetic resin cover 3. That is, the temperature of the attachment member 2 and the cover 3 changes when the ambient air temperature changes or when the power supply unit 5 becomes hot after the power is turned on. At this time, when the force of expansion and contraction of the synthetic resin cover 3 (cover body 30) having a relatively large thermal expansion coefficient exceeds the maximum static frictional force on the contact surface between the mounting member 2 and the cover 3, the cover The distortion generated in the main body 30 is suddenly released. When the distortion of the cover body 30 is abruptly released and the cover body 30 moves relative to the mounting member 2, a frictional sound accompanied by vibration is generated on the contact surface of the cover body 30 with the mounting member 2. Such a phenomenon is generally known as a stick-slip phenomenon. And it is considered that the abnormal noise due to the stick-slip phenomenon is more likely to occur as the contact area between the two members (the attachment member 2 and the cover body 30) is larger.

  Therefore, the mounting member 2 of the light source unit W1 has one or a plurality of protrusions 26 that protrude toward the cover body 30 on the surface facing the cover body 30 along the longitudinal direction of the cover body 30. . Specifically, the bottom plate 20 and the hooked portion 22 are each provided with a protruding portion 26 including a plurality of dowels 261 (see FIGS. 3 and 6A).

  The dowel 261 is formed in a circular shape as shown in FIG. 6B or an oval shape as shown in FIG. 6C when viewed from the protruding direction. Here, the oval shape includes not only a shape connected with a semicircular arc by a straight line but also a shape such as an ellipse.

  The dowel 261 is formed by drawing. The metal attachment member 2 is formed, for example, by roll forming a hoop material made of a metal plate. At this time, the dowel 261 can be formed on the mounting member 2 if the dowel is previously formed on the hoop material by drawing by a press or the like before roll forming.

  In the vicinity of the front-rear end of the bottom plate 20 of the mounting member 2, two dowels 261 are arranged at intervals in the front-rear direction at positions 26 A and 26 B on the lower surface facing the pair of first projecting plate portions 303. , Each provided. Here, the position 26A is located closer to the center in the front-rear direction of the bottom plate 20 than the position 26B.

  In addition, two dowels 261 along the longitudinal direction are provided at positions 26C and 26D on the side surfaces of the hooked portion 22 facing the hooking portion 305 so as to be arranged at intervals in the front-rear direction. Here, the position 26C is an outer end position in the front-rear direction of the hooked portion 22 having a substantially cylindrical shape. The position 26D is the upper end position of the hooked portion 22 having a substantially cylindrical shape.

  As an example, the dowels 261 may be provided at all of the positions 26A, 26B, 26C, and 26D. As another example, the dowels 261 are provided at the position 26A, the position 26C, and the position 26D, and may not be provided at the position 26B. As another example, the dowels 261 are provided at the position 26B, the position 26C, and the position 26D, and may not be provided at the position 26A.

  As described above, the plurality of protrusions 26 (the dowels 261) are provided at a plurality of different positions in the direction orthogonal to the longitudinal direction of the attachment member 2, respectively.

  In the first embodiment, the dowel 261 is formed to have a height (projection height) of 0.3 mm or 0.5 mm.

  As an example, when the dowels 261 are provided at all of the positions 26A, 26B, 26C, and 26D, the heights of all the dowels may be 0.5 mm. Alternatively, the height of the dowels 261 at the position 26A may be 0.3 mm, and the heights of the dowels at the positions 26B, 26C, and 26D may be 0.5 mm.

  As another example, when the dowels 261 are provided at the position 26A, the position 26C, and the position 26D and not provided at the position 26B, the heights of all the dowels may be 0.5 mm. Further, the height of the dowel 261 at the position 26A may be 0.3 mm, and the height of the dowels at the position 26C and the position 26D may be 0.5 mm.

  As another example, when the dowels 261 are provided at the positions 26B, 26C, and 26D and are not provided at the positions 26A, the heights of all the dowels may be 0.5 mm. Further, the height of the dowels 261 at the position 26B may be 0.3 mm, and the heights of the dowels at the positions 26C and 26D may be 0.5 mm.

  Further, assuming that the plurality of protrusions 26 shown in FIG. 3 are a set, the sets of the protrusions 26 are respectively provided at a plurality of different positions in the longitudinal direction of the mounting member 2. As shown in FIG. 2, a dowel 261 (protruding portion 26) shown in FIG. 3 is provided at a position 26 </ b> E that is a length L <b> 0 away from one end (left end in FIG. 2) in the longitudinal direction of the attachment member 2. Further, a dowel 261 (projecting portion 26) shown in FIG. 3 is provided at a position 26F that is separated from the position 26E by a length L1 in the longitudinal direction. Further, a dowel 261 (projecting portion 26) shown in FIG. 3 is provided at a position 26G that is separated from the position 26F by a length L2 in the longitudinal direction. Further, a dowel 261 (projecting portion 26) shown in FIG. 3 is provided at a position 26H that is separated from the position 26G by a length L3 in the longitudinal direction. Further, a dowel 261 (projecting portion 26) shown in FIG. 3 is provided at a position 26I that is separated from the position 26H by a length L4 in the longitudinal direction. The position 26I is a position separated by a length L5 from the other end (the right end in FIG. 2) in the longitudinal direction of the mounting member 2. The length L0 and the length L5 are 125 mm.

  In the first embodiment, the protruding portion 26 is provided on a straight line along the longitudinal direction of the mounting member 2. That is, in each of the position 26E to position 26I in the longitudinal direction of the mounting member 2, the protruding portion 26 (the dowel 261) provided at the position 26A is positioned on a straight line along the longitudinal direction of the mounting member 2. Similarly, the protrusions 26 (the dowels 261) located at the positions 26B, 26C, and 26D provided at the positions 26E to 26I in the longitudinal direction of the mounting member 2 are also along the longitudinal direction of the mounting member 2. Located on a straight line.

  In the first embodiment, the length L1, the length L2, the length L3, and the length L4 are 250 mm. However, the length L1, the length L2, the length L3, and the length L4 are not limited to 250 mm. . Further, the length L1, the length L2, the length L3, and the length L4 may be different from each other. Further, the length L0 and the length L5 are not limited to 125 mm.

  The dowels 261 (projections 26) are not necessarily all in contact with the cover body 30 at the same time, but contact with the cover body 30 depending on the degree of expansion and contraction of the attachment member 2 and the cover body 30. The contact status, such as whether or not to change, changes.

  As described above, since the bottom plate 20 and the hooked portion 22 of the mounting member 2 are in contact only with the first protruding plate portion 303 and the hooking portion 305 of the cover main body 30 at the tip of the protruding portion 26, the protruding portion 26 is not provided. Compared to the case, the contact area between the cover body 30 and the mounting member 2 is reduced. As a result, the light source unit W1 can suppress the occurrence of abnormal noise associated with the stick-slip phenomenon. However, the place where the protruding portion 26 is provided is not limited to the bottom plate 20 and the hooked portion 22, and the protruding portion 26 may be provided on the side plate 21, for example.

  Further, by forming the protruding portion 26 with the dowel 261, the protruding portion 26 can be easily formed.

  Next, the light source unit W1 of 2nd Embodiment is demonstrated based on FIG. 7A and 7B. The light source unit W1 of the second embodiment is substantially the same as the light source unit W1 of the first embodiment. For this reason, description overlapping with the first embodiment is omitted.

  In the first embodiment, the protruding portion 26 is formed by the dowel 261. On the other hand, in the second embodiment, the protruding portion 26 is formed by the standing portion 262.

  One end of the standing portion 262 is connected to the mounting member 2, and the peripheral edge except the one end is cut off from the mounting member 2 and separated.

  In the second embodiment, the upright portion 262 is formed by so-called cutting and raising processing. The part that becomes the standing part 262 is originally a part of the mounting member 2. As shown in FIG. 7B, the other portion 2620 except for a part of the peripheral edge portion of the portion that becomes the standing portion 262 of the side plate 21 of the mounting member 2 is separated by cutting with a cutting blade, laser processing, or the like. Then, the portion where the upright portion 262 and the attachment member 2 are connected is bent to form the upright portion 262 that protrudes toward the cover body 30.

  The upright portions 262 are provided at positions 26E to 26I in the longitudinal direction of the mounting member 2, respectively.

  By forming the protruding portion 26 by the standing portion 262, the protruding portion 26 can be easily formed.

  Next, the light source unit W1 of 3rd Embodiment is demonstrated based on FIG. 8A-FIG. 8C. Note that the light source unit W1 of the third embodiment is substantially the same as the light source unit W1 of the second embodiment. For this reason, description overlapping with the second embodiment is omitted.

  In the second embodiment, the protruding portion 26 is formed by the standing portion 262. On the other hand, in the third embodiment, the protruding portion 26 is formed by the bridge portion 263.

  Both ends of the bridge portion 263 are connected to the mounting member, and the peripheral portion excluding the both ends is separated from the mounting member.

  In the third embodiment, the bridge portion 263 is formed by so-called cutting and drawing. The portion to be the bridge portion 263 is originally a part of the attachment member 2. As shown in FIG. 8B and FIG. 8C, the other part 2630 excluding a part of the peripheral part of the part that becomes the bridge part 263 of the side plate 21 of the mounting member 2 is separated by cutting with a cutting blade, laser processing, or the like. Then, the portion where the bridge portion 263 and the attachment member 2 are connected is bent to form the bridge portion 263 that protrudes toward the cover body 30.

  The bridge portions 263 are provided at positions 26E to 26I in the longitudinal direction of the attachment member 2, respectively.

  By forming the protruding portion 26 with such a bridge portion 263, the protruding portion 26 can be easily formed.

  Next, modified examples of the first to third embodiments will be described.

  The solid light source may be, for example, an organic EL (Electro Luminescence) other than the LED module 1 having the light emitting diode 10, and is not limited.

  The shape seen from the protruding direction of the dowel 261 is not limited to a circular shape or an oval shape. Further, the dowel 261 may be provided only at the position 26A, the position 26B, the position 26C, or the position 26D. The dowels 261 are provided in any combination among the positions 26A to 26D. Moreover, the position in the direction orthogonal to the longitudinal direction of the attachment member 2 where the dowel 261 is provided is not limited to the positions 26A to 26D.

  The upright portion 262 and the bridge portion 263 are not in the side plate 21 of the mounting member 2 but in any combination of the positions 26A and 26B of the bottom plate 20 and the positions 26C and 26D of the hooked portion 22 in any combination. Provided.

  The position in the longitudinal direction of the attachment member 2 where the protruding portion 26 is provided is not limited to the positions 26E to 26I.

  The number of the protrusions 26 may be one or two or more. For example, the protrusion 26 may be formed by a single rib along the longitudinal direction of the mounting member 2.

  The height (projection height) of the protrusion 26 is not limited to 0.3 mm, 0.5 mm, or the like. That is, 0.1 mm, 1 mm, 2 mm, 3 mm, etc. are appropriately determined.

  As described above, the light source unit W1 of the first aspect includes a plurality of solid state light sources (the LED module 1 having the light emitting diode 10). The light source unit W1 includes a metal mounting member 2 that supports the solid light source and is attached to the fixture body 6 of the lighting fixture X1, and a synthetic resin cover (cover body 30) that is attached to the mounting member 2. . The cover body 30 is formed in a long shape. The attachment member 2 is formed in a long shape, and has one or a plurality of protrusions 26 that protrude toward the cover body 30 on a surface facing the cover body 30 along the longitudinal direction of the cover body 30.

  According to the first aspect, by reducing the contact area between the cover main body 30 and the mounting member 2, it is possible to suppress the generation of noise due to the difference in the thermal expansion coefficient between the cover main body 30 and the mounting member 2. Can do.

  The second aspect is realized by a combination with the first aspect. In the second aspect, the protruding portion 26 is formed from a dowel 261 whose shape viewed from the protruding direction is circular or oval.

  According to the 2nd aspect, formation of the protrusion part 26 to the attachment member 2 becomes easy.

  The third aspect is realized by a combination with the first aspect. In the third aspect, the protruding portion 26 is formed by an upright portion 262 in which one end portion is connected to the mounting member 2 and a peripheral edge portion other than the one end portion is separated from the mounting member 2.

  According to the 3rd aspect, formation of the protrusion part 26 to the attachment member 2 becomes easy.

  The fourth aspect is realized by a combination with the first aspect. In the fourth aspect, the protruding portion 26 is formed by a bridge portion 263 in which both end portions are connected to the mounting member 2 and a peripheral portion excluding both end portions is separated from the mounting member 2.

  According to the 4th aspect, formation of the protrusion part 26 to the attachment member 2 becomes easy.

  The fifth aspect is realized by a combination with the first to fourth aspects. In the fifth aspect, the plurality of protrusions 26 are provided at a plurality of positions 26E to 26I that are different in the longitudinal direction of the attachment member 2, respectively.

  According to the 5th aspect, generation | occurrence | production of unusual noise can further be suppressed.

  In a 6th aspect, it implement | achieves by the combination with the 1st-5th aspect. In the sixth aspect, the plurality of protrusions 26 are provided at a plurality of positions 26 </ b> A to 26 </ b> D that are different in the direction orthogonal to the longitudinal direction of the attachment member 2.

  According to the 6th aspect, generation | occurrence | production of unusual noise can further be suppressed.

  The seventh aspect is realized by a combination with the first to sixth aspects. In the seventh aspect, the protruding portion 26 is provided on a straight line along the longitudinal direction of the mounting member 2.

  According to the 7th aspect, formation of the protrusion part 26 to the attachment member 2 becomes easy.

  The eighth aspect is realized by a combination with the first to seventh aspects. In the eighth aspect, the mounting member 2 includes a long bottom plate 20, a pair of side plates 21 that are long and project upward from both ends in the short direction of the bottom plate 20, and upper ends of the side plates 21. And a hooked portion 22 on which the cover 3 is hooked. The protruding portion 26 is provided on at least one of the bottom plate 20 and the hooked portion 22.

  According to the 8th aspect, generation | occurrence | production of unusual noise can further be suppressed.

  The ninth aspect is realized by a combination with the first to eighth aspects. In the ninth aspect, the lighting fixture X1 includes a light source unit W1 and a fixture body 6 that supports the light source unit W1.

  According to the 9th aspect, if the lighting fixture X1 is comprised as mentioned above, generation | occurrence | production of the noise resulting from the difference in the thermal expansion coefficient of the cover main body 30 and the attachment member 2 can be suppressed.

X1 Lighting fixture W1 Light source unit 1 LED module (light source)
2 Attachment member 3 Cover 6 Instrument body 10 Light emitting diode 20 Bottom plate 21 Side plate 22 Hooked portion 26 Projection portion 261 Dowel 262 Standing portion 263 Bridge portion 26A to I Position 30 Cover body

Claims (9)

A plurality of solid light sources, a metal attachment member that supports the solid light source and is attached to the fixture body of a lighting fixture, and a synthetic resin cover that is attached to the attachment member,
The cover is formed in a long shape,
The light source unit, wherein the attachment member is formed in a long shape, and has one or a plurality of protrusions protruding toward the cover on a surface facing the cover along a longitudinal direction of the cover. .   The light source unit according to claim 1, wherein the protruding portion is formed by a dowel having a circular shape or an oval shape when viewed from the protruding direction.   2. The light source unit according to claim 1, wherein the projecting portion is formed by an upright portion having one end connected to the mounting member and a peripheral edge excluding the one end separated from the mounting member.   2. The light source unit according to claim 1, wherein the protruding portion is formed by a bridge portion in which both end portions are connected to the mounting member and a peripheral portion excluding the both end portions is separated from the mounting member.   The light source unit according to claim 1, wherein the plurality of protrusions are provided at a plurality of different positions in the longitudinal direction of the mounting member.   The light source unit according to claim 1, wherein the plurality of protrusions are provided at a plurality of different positions in a direction orthogonal to the longitudinal direction of the mounting member.   The light source unit according to claim 1, wherein the protrusion is provided on a straight line along a longitudinal direction of the mounting member. The attachment member includes a bottom plate formed in a long shape, a pair of side plates formed in a long shape and projecting upward from both ends in a short direction of the bottom plate, and formed on the upper ends of the side plates so that the cover is hooked. A hooked portion,
The light source unit according to claim 1, wherein the protruding portion is provided on at least one of the bottom plate and the hooked portion.   A lighting fixture comprising: the light source unit according to claim 1; and a fixture main body that supports the light source unit.

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