JP7303491B2 - Light source unit and lighting device - Google Patents

Description

Embodiments of the present invention relate to a light source unit using a cylindrical cover and a lighting apparatus using this light source unit.

Conventionally, a translucent cylindrical cover is used, a chassis having a light source module is inserted into the cover, and caps covering both ends of the cover are attached to connecting members connected to both ends of the chassis. There is a light source unit with

The connection between the chassis and the connecting member has a structure in which the claws provided on the connecting member are engaged with the chassis from the inside of the side surfaces on both sides of the chassis. If deformed, the claw portion of the connecting member may come off the chassis.

JP 2016-58266 A

SUMMARY OF THE INVENTION An object of the present invention is to provide a light source unit and a lighting device that can reliably maintain a connected state between a chassis and a connecting member.

A light source unit of an embodiment includes a light source module, a chassis, a cover, a connecting member and a cap. The chassis has a mounting surface portion on which the light source module is provided, side portions provided on both sides of the mounting surface portion, folded portions folded back from the side portions via the bent portions, and connecting grooves provided in the bent portions. have. The cover is cylindrical, at least partially translucent, and the chassis provided with the light source module is inserted therethrough. The connecting member has an engaging claw protruding from a lower portion on the distal end side , the engaging claw is arranged on the bent portion positioned above the side surface of the chassis, and the claw portion of the engaging claw is By inserting the bent portion into the connecting groove, the claw portion is engaged with the connecting groove and connected to the end portion of the chassis. A cap is attached to the connecting member and covers the end of the cover.

According to the light source unit of the embodiment, it can be expected that the connection state between the chassis and the connection member can be reliably maintained.

1 is a perspective view of a lighting device showing an embodiment; FIG. It is a perspective view of the separation state of the fixture main body and light source unit of the lighting device same as the above. It is the end view which abbreviate|omitted the end part structure of the fixture main body same as the above, and a light source unit. It is a perspective view of the disassembled state of a light source unit same as the above. Fig. 3 is an exploded perspective view of the chassis and connecting member of the same light source unit; It is a perspective view of the connection state of the chassis of a light source unit same as the above, and a connection member. It is a top view of the disassembled state of the chassis of a light source unit same as the above, and a connection member. It is a top view of the connection state of the chassis of a light source unit same as the above, and a connection member.

An embodiment will be described below with reference to the drawings.

As shown in FIGS. 1-3, lighting system 10 is a direct ceiling lighting system. Furthermore, lighting device 10 is an outdoor lighting device having a waterproof structure. In the following description, the illumination device 10 is installed on an installation surface such as a ceiling surface, and the front side in the light irradiation direction is the lower side, and the back side opposite to the light irradiation direction is the upper side.

The lighting device 10 includes a fixture body 11 installed on an installation surface, and a light source unit 12 detachably attached to the lower side of the fixture body 11 . In the lighting device 10, both the fixture body 11 and the light source unit 12 are elongated.

The instrument main body 11 has an elongated main body portion 15, end plates 16 provided at both longitudinal ends of the main body portion 15, and openings provided downward between the main body portion 15 and the end plates 16. It has an opening 17 .

The body portion 15 has a top plate portion 18 and side plate portions 19 provided on both sides crossing the longitudinal direction of the top plate portion 18, and is formed to have a substantially U-shaped cross section opening downward. The top plate portion 18 is provided with an attachment hole (not shown) for attachment to an installation surface, a wiring hole (not shown) for drawing in a power cable, and the like.

The body portion 15 includes a reflecting surface portion 20 that is bent obliquely downward from the lower side of the side plate portion 19 toward the inside of the opening portion 17, and a reflecting surface portion 20 that extends upward from the tip side of the reflecting surface portion 20 toward the inner surface side of the side plate portion 19. It has a folded back portion 21 . The bending angle of the reflective surface portion 20 with respect to the side plate portion 19 is smaller than 90°, and the angle formed by the inner surface side of the side plate portion 19 and the reflective surface portion 20 is larger than 90°. The surface, which is the outer surface side, of the reflecting surface portion 20 is provided downward and facing obliquely outward, opposite to the opening portion 17 side. Moreover, the bending angle of the folded portion 21 with respect to the reflective surface portion 20 is larger than 90°, and the angle formed by the inner surface side of the reflective surface portion 20 and the folded portion 21 is smaller than 90°.

On both end sides of main body portion 15, notch portions 22 into which part of light source unit 12 is inserted are provided at positions a predetermined distance from the end portions of reflecting surface portion 20 and folded portion 21 toward the center.

The end plate 16 has an end plate portion 23 that covers the end face of the main body portion 15, and a mounting portion 24 for mounting the light source unit 12 thereon. The end plate portion 23 is attached to the end portion of the body portion 15 . The attachment portion 24 is formed integrally with the end plate portion 23 , is bent from the lower side of the end plate portion 23 toward the main body portion 15 side, and is disposed on the end portion side of the opening portion 17 . The mounting portion 24 is provided with a mounting hole 25 for screwing the light source unit 12 and a hook portion 26 for temporarily hanging the light source unit 12 .

Next, as shown in FIGS. 1 to 5, the light source unit 12 has a waterproof structure. The light source unit 12 has an insertion region 12a that is inserted into the opening 17 of the instrument main body 11 on one side that intersects with the longitudinal direction, and a protruding region 12b that is arranged on the other side, the lower side, on the outside of the instrument body 11. It is configured.

The light source unit 12 includes a cylindrical cover 30, a chassis 31 as a support member inserted through the cover 30, connecting members 32 attached to both ends of the chassis 31, a light source module 33 attached to the chassis 31, and a power supply unit. 34, packings 35 and caps 36 attached to both ends of the cover 30, and the like.

The cover 30 is elongated and formed in a tubular shape having the same shape in the longitudinal direction. The cover 30 has an opaque portion 30a, which is an opaque portion that does not transmit light, on the upper side corresponding to the insertion region 12a, and a translucent portion, which is a transmissive portion that transmits light, on the lower side corresponding to the projecting region 12b. A portion 30b is provided.

The opaque portion 30a is made of a resin material that does not transmit light. The opaque portion 30a includes a top surface portion 40, side surface portions 41 projecting downward from both sides of the top surface portion 40, and bent portions 42 projecting toward the inside of the cover 30 between the side surface portions 41 and the translucent portion 30b. have. The bent portions 42 are bent from both sides of the light-transmitting portion 30b on the rear side of the light-transmitting portion 30b and abut on both sides of the chassis 31. As shown in FIG. The bent portion 42 includes an upper step portion 43 protruding from the lower side of the side portion 41 toward the inside of the cover 30, a lower step portion 44 protruding inside the cover 30 from the translucent portion 30b, the upper step portion 43 and the lower step portion 44 protruding toward the inside of the cover 30. An inner protruding surface portion 45 protruding toward the inside of the cover 30 is provided between the side step portions 44 . The bent portions 42 form recesses 46 on both sides of the cover 30 along the longitudinal direction. Chassis 31 and power source section 34 are arranged inside opaque section 30a. A bent portion 42 is brought into contact with a portion of the chassis 31 arranged inside the opaque portion 30a.

The translucent portion 30b is made of a resin material that transmits light. The light-transmitting portion 30b is formed in a convex curved shape projecting downward at the center, and is continuous with the lower step portion 44 of the bent portion 42 on both sides. The width in the direction crossing the longitudinal direction of the translucent portion 30b is wider than the width in the direction crossing the longitudinal direction of the non-translucent portion 30a. A light source module 33 is arranged inside the translucent portion 30b.

The cover 30 is integrally formed by two-color molding of the opaque portion 30a and the translucent portion 30b. That is, the cover 30 is integrally formed by extrusion molding in which the molten resin material of the opaque portion 30a and the molten resin material of the translucent portion 30b are extruded.

The boundary between the opaque portion 30a and the translucent portion 30b is the end of the direct portion of the lower stepped portion 44 of the opaque portion 30a and the end of the direct portion of the lower stepped portion 44. It is located between the curved portions of the continuous light-transmitting portions 30b. The reflective surface portion of the device main body 11 is placed on the boundary between the opaque portion 30a and the translucent portion 30b, or on the portion a little from the boundary between the opaque portion 30a and the translucent portion 30b toward the opaque portion 30a. The tip side of 20 (the bent portion between reflecting surface portion 20 and folded portion 21) is brought into contact.

Further, as shown in FIGS. 3 to 8, the chassis 31 is made of metal and formed in an elongated shape. The chassis 31 is formed to have a substantially U-shaped cross section that opens upward. The chassis 31 has a mounting surface portion 50, side portions 51 bent upward from both sides of the mounting surface portion 50, and bent portions 52 bent inward from the upper side of the side portions 51. It has a folded back portion 53 . A light source module 33 is attached to the front side of the attachment surface portion 50 .

The side surface portion 51 includes lower side surface portions 51a that are bent upward from both sides of the mounting surface portion 50, inclined surface portions 51b that are spread upward and inclined so as to separate from the lower side surface portions 51a on both sides, and from the inclined surface portions 51b on both sides. It has a side upper portion 51c that is bent upward. A power supply unit 34 is arranged between the side surface portions 51 on both sides. The inclined surface portion 51b is inclined along the outer shape of the power supply section 34 and may come into contact with the power supply section 34. As shown in FIG.

A convex portion 54 projecting downward from between the side portions 51 on both sides is formed by the mounting surface portion 50, the side lower portion 51a, and the like. The convex portion 54 is arranged between the bent portions 42 on both sides of the cover 30 so as to protrude toward the translucent portion 30b. A space 55, which is also a wiring space, is provided between the rear side of the convex portion 54 (mounting surface portion 50) and the power supply portion 34 arranged between the side portions 51 on both sides. The space 55 between the rear side of the convex portion 54 (mounting surface portion 50) and the power supply portion 34 has a dimension that enables wiring of a cable or the like.

The folded portion 53 faces the inner surface of the side portion 51 with a predetermined gap therebetween. The folded portion 53 faces the side upper portion 51c of the side portion 51, which is above the inclined surface portion 51b.

Further, a first connecting groove 56 and a second connecting groove 57, which are connecting grooves for connecting the connecting member 32, are provided on the end side of the chassis 31. As shown in FIG.

The first connecting grooves 56 are provided at the positions of the side lower portions 51a, which are the lower sides of the side portions 51 on both sides, and are separated from the end portions of the side portions 51 toward the center by a predetermined distance. The first connecting groove 56 is formed in a long rectangular shape along the longitudinal direction of the chassis 31 .

The second connecting groove 57 is provided at the position of the bent portion 52 and is spaced from the end of the bent portion 52 toward the center by a predetermined distance. The second connecting groove 57 is provided from the bent portion 52 to a part of the upper side of the side portion 15 (side upper portion 51c). Therefore, a part of the folded portion 53 is exposed through the second connecting groove 57 in a side view of the side portion 15 . The second connecting groove 57 is formed in a long rectangular shape along the longitudinal direction of the chassis 31 .

The connecting member 32 is made of metal and is attached to the end of the chassis 31 so as to cover the end surface of the chassis 31 . The connecting member 32 has an end face portion 60 covering the end face of the chassis, and a first connecting portion 61 and a second connecting portion 62 projecting from the end face portion 60 .

The end surface portion 60 is formed in a shape and dimensions that allow it to be inserted inside the cover 30 . The end face portion 60 is provided with a plurality of mounting holes 63 for screwing the cap 36 and wiring holes 64 through which a lead-out cable connected to the power supply portion 34 is inserted.

The first connecting portion 61 has locking pieces 65 bent toward the chassis 31 from both sides of the end face portion 60 . The locking pieces 65 on both sides are inserted inside the side portions 51 (lower side portions 51a) on both sides of the chassis 31 . The interval between the outer surfaces of the locking pieces 65 on both sides is the same as or slightly larger than the interval between the inner surfaces of the lower side surfaces 51a on both sides. A locking portion 66 that engages with the first connecting groove 56 is projected from the outer surface of the locking piece 65 . The locking portion 66 is elongated in a direction corresponding to the longitudinal direction of the chassis 31 and is formed by cutting and raising the locking piece 65 . The locking portion 66 is connected to the locking piece 65 at the tip end side and the bottom side thereof corresponding to the tip end side of the locking piece 65 in a curved shape, and has a curved shape. The proximal and superior sides are cut and raised. By engaging the engaging portion 66 with the first connecting groove 56 , the connecting member 32 is connected to the end portion of the chassis 31 by the first connecting portion 61 .

The second connecting portion 62 has locking claws 67 that are bent toward the chassis 31 from the upper sides on both sides of the end face portion 60 . Claw portions 68 protrude from the tip side lower portions of the locking claws 67 on both sides. The locking claws 67 on both sides are arranged on the bent portions 52 on both sides of the chassis 31 , and the claw portions 68 of the locking claws 67 are engaged with the second connecting grooves 57 . The spacing between the inner side surfaces of the locking claws 67 and claw portions 68 on both sides is the same as or slightly smaller than the spacing between the outer side surfaces of the folded portions 53 on both sides of the chassis 31 . The inner side surface of the claw portion 68 engaged with the second connecting groove 57 is brought into contact with the outer side surface of the folded portion 53 . The connecting member 32 is connected to the end portion of the chassis 31 by the second connecting portion 62 by engaging the claw portion 68 with the second connecting groove 57 .

As shown in FIG. 7, the projection dimension of the first connecting portion 61 (locking piece 65) and the second connecting portion 62 (locking claw 67) from the end face portion 60 is is larger than the second connecting portion 62 (locking claw 67).

The light source module 33 also includes a long board 70 and a plurality of light emitting elements 71 mounted on the board 70 along the longitudinal direction. The light-emitting element 71 may be an LED, an organic EL, or the like. The light source module 33 is attached to the front side of the mounting surface portion 50 of the chassis 31, and is electrically connected to the output side of the power supply portion 34 attached to the same chassis 31 by connection wiring (not shown).

In addition, the power supply section 34 includes an elongated power supply case 73 and a power supply circuit (not shown) arranged in the power supply case 73 . The power supply case 73 is formed in a substantially trapezoidal cross-section having inclined surfaces 73b at both corners of a front surface portion 73a. The power supply circuit converts an external power supply such as AC power supplied from the outside into a predetermined lighting power supply such as DC power and supplies it to the light source module 33 to light the light emitting element 71 .

The power supply unit 34 is attached to the chassis 31 by attachment members 74 . The mounting member 74 has a top surface portion 75 and side surface portions 76 provided on both sides of the top surface portion 75, and is formed to have a substantially U-shaped cross section opening downward. The power supply unit 34 is attached to the lower surface side of the top surface portion 75 by screwing or the like, and the side surface portions 76 on both sides are attached to the side surface portions 51 (side upper portion 51c) on both sides of the chassis 31 . As for the mounting structure of the mounting member 74 to the chassis 31, either locking by a claw structure, screwing, or the like may be used. In a state in which the mounting member 74 is attached to the chassis 31, the power supply unit 34 is arranged along the longitudinal direction of the chassis 31 between the side surface portions 51 on both sides, and the inclined surface 73b of the power supply unit 34 (power supply case 73) faces the chassis. It contacts or faces 31 inclined surface portions 51b. Further, the front surface portion 73a of the power supply portion 34 is opposed to the rear surface side of the convex portion 54 (mounting surface portion 50) of the chassis 31 with the space portion 55 interposed therebetween.

A plurality of spherical protrusions 77 protrude from the top surface portion 75 of the mounting member 74 . Then, in a state in which the mounting member 74 and the like are inserted into the cover 30 together with the chassis 31, the protruding portion 77 of the mounting member 74 contacts the top surface portion 40 of the cover 30, and the inclined surface portion 51b of the chassis 31 contacts the cover 30. , and the chassis 31 side and the cover 30 side are positioned relative to each other.

Also, the packing 35 is integrally formed of, for example, silicone rubber. The packing 35 is formed in a shape similar to the end shape of the cover 30 . In the peripheral part of the packing 35, an annular insertion part 80 which is inserted into the inside of the cover 30 and adheres thereto, and a flange part 81 which contacts and adheres to the end of the cover 30 is formed on the end side of the insertion part 80. It is A partition wall portion 82 is formed inside the packing 35 . The partition wall portion 82 is formed with a plurality of screw insertion portions 83 and a wiring insertion portion 84 . The plurality of screw insertion portions 83 and wire insertion portions 83 are formed corresponding to the respective positions of the plurality of mounting holes 63 and wiring holes 64 of the connecting member 32 .

Also, the cap 36 is made of, for example, a resin material. The cap 36 has a cap portion 90 attached to the outer periphery of the end portion of the cover 30 via the packing 35, and a cap cover portion 91 provided on the end portion side of the cap portion 90. As shown in FIG.

The cap portion 90 is formed in a shape similar to the shape of the end portion of the cover 30 . That is, the cap portion 90 is formed in a shape corresponding to the opaque portion 30a on the upper side of the cover 30 on the upper side, and formed in a shape corresponding to the translucent portion 30b on the lower side of the cover 30 on the lower side, Concave portions 92 corresponding to the concave portions 46 on both sides of the cover 30 are formed on both sides between the upper side and the lower side.

The cap portion 90 has a cap surface portion 93 and a fitting portion 94 that protrudes from the periphery of the cap surface portion 93 toward the cover 30 and is fitted to the outer circumference of the end portion of the cover 30 . A packing 35 is interposed between the cap portion 90 and the end of the cover 30, and the packing 35 seals the end opening of the cover 30. As shown in FIG.

The cap surface portion 93 of the cap portion 90 is provided with screw insertion holes and wiring holes 95 (not shown) corresponding to the positions of the plurality of screw insertion portions 83 and the wiring insertion portions 84 of the packing 35 .

The cap portion 90 is a stepped portion that protrudes from the outer periphery of the cover 30 so as to be fitted to the outer periphery of the end portion of the cover 30 . Due to this stepped portion, the space between both sides of the cap portion 90 (cap 36) is formed wider than the space between the lower portions of the side plate portions 19 on both sides of the device body 11. As shown in FIG. Then, when the light source unit 12 is attached to the instrument main body 11 , the stepped portions on the lower edge side of the concave portions 92 on both sides of the cap portion 90 are configured to enter the cutouts 22 of the instrument main body 11 .

The cap cover portion 91 protrudes from the end portion side of the cap portion 90 in the projecting region 12b and is formed in a shape that is continuous with the surface shape of the cap portion 90. As shown in FIG. Inside the cap cover portion 91, a concave portion 96 is formed facing the instrument body 11 and opening upward. An operation hole 97 is provided on the lower surface of the cap cover portion 91 . A bush 98 that closes the operation hole 97 is detachably attached to the operation hole 97 . A drain hole 99 is formed on the lower side of the end face of the cap cover portion 91 . The recessed portion 96 is used as a space for arranging mounting parts and the like.

A mounting plate 110 is also attached to the cap 36 . The mounting plate 110 is made of, for example, a metal plate and has a substantially L-shaped cross section. The mounting plate 110 has a first mounting plate portion 111 arranged on the outer end face side of the cap surface portion 93 and a second mounting plate portion 112 arranged on the cap cover portion 91 . A plurality of connecting screws 113 are inserted through the first mounting plate portion 111 , and these screws 113 are screwed into the mounting holes 63 of the connecting member 32 through the screw insertion portions 83 of the packing 35 . Also, the second mounting plate portion 112 is arranged on a rib 114 provided inside the recessed portion 96 of the cap cover portion 91 . A screw 115, which is an attachment component for attaching the light source unit, is rotatably attached to the second attachment plate portion 112. As shown in FIG. The screw 115 can be rotated by a tool inserted through the operation hole 97 of the cap cover portion 91 . The screw 115 is screwed into the mounting hole 25 of the mounting portion 24 of the device main body 11 to fix the light source unit 12 to the device main body 11 .

Further, the cap 36 is attached with a hanging metal fitting 120 which is a mounting part for temporarily hanging the light source unit 12 on the fixture main body 11 . Hanging fitting 120 is formed of a metal wire rod. A curved portion 121 that is curved in an arc shape is provided at both ends of the suspension fitting 120 . One end of the hanger 120 is connected to the second mounting plate portion 112 of the mounting plate 110, and the other end is detachably hooked to the hook portion 26 of the mounting portion 24 of the device main body 11. As shown in FIG.

To assemble the light source unit 12, first, the connecting members 32 are connected to the ends of the chassis 31. As shown in FIG. The locking pieces 65 on both sides, which are the first connecting portions 61 of the connecting member 32, are inserted into the lower side surfaces 51a on both sides of the chassis 31 from above. In this insertion process, the engaging portion 66 contacts the inner side of the lower side surface 51a, but the insertion is continued while the engaging piece 65 is elastically deformed, and the engaging portion 66 faces the first connecting groove 56 of the lower side surface 51a. is moved. Further, the claw portions 68 of the locking claws 67 on both sides, which are the second connecting portions 62 , are engaged with the outer surfaces of the folded portions 53 on both sides of the chassis 31 and inserted into the second connecting grooves 57 . Then, when the locking portion 66 of the locking piece 65 engages with the first connecting groove 56 and the claw portion 68 of the locking claw 67 engages with the second connecting groove 57, the end surface portion 60 of the connecting member 32 is is engaged with the end of the chassis 31, the connecting member 32 is connected to the end of the chassis 31. As shown in FIG.

Note that the connecting member 32 may be inserted from the end side of the chassis 31 and connected. In this case, the connecting member 32 may be tilted so that the claw portion 68 of the locking claw 67 moves above the bent portion 52 of the chassis 31 and is inserted into the second connecting groove 57 .

The claw portion 68 of the locking claw 67 engaged with the second connecting groove 57 of the chassis 31 is locked by the bent portion 52 and the side surface portion 51 (upper side surface 51c) of the chassis 31, so that it is difficult to come off. Furthermore, by contacting the claw portion 68 of the locking claw 67 with the outer side surface of the folded portion 53, it is possible to restrict the interval between the side surface portions 51 on both sides of the chassis 31 from widening.

Then, the chassis 31 to which the light source module 33, the power supply section 34, and the connecting member 32 are respectively attached is inserted into the cover 30 (inside the non-light-transmitting section 30a). At this time, the protruding portion 77 of the mounting member 74 that mounts the power supply unit 34 to the chassis 31 is brought into contact with the top surface portion 40 of the cover 30, and the inclined surface portion 51b of the chassis 31 is brought into contact with the bent portion 42 of the cover 30, The chassis 31 side and the cover 30 side are positioned relative to each other.

Insert the insertion part 80 of the packing 35 into the end opening of the cover 30 . The cap portion 90 of the cap 36 is fitted to the outer circumference of the end portion of the cover 30 with the packing 35 interposed therebetween. Mounting plate 110, screws 115, and hanger 120 are incorporated into cap 36, and a plurality of screws 113 are screwed into connecting member 32 through mounting plate 110, cap portion 90, and packing 35, and between cover 30 and cap portion 90. The packing 35 is sandwiched and fixed by tightening, and the end opening of the cover 30 is sealed with the packing 35 . Incidentally, when the connecting member 32, the packing 35, and the cap 36 are assembled, the lead-out cable from the power source section 34 is inserted through the wiring insertion portion 84 of the packing 35 and is led out from the cap portion 90 of the cap 36.

The order in which the light source unit 12 is assembled is not limited to this order. good. Also, the connecting member 32, the packing 35 and the cap 36 are previously attached to one end side of the chassis 31, the other end side of the chassis 31 is inserted into the cover 30, and the packing 35 on the one end side is brought into close contact with the one end side of the cover 30. At the same time, the connecting member 32, the packing 35 and the cap 36 may be attached to the other end side of the chassis 31.

In the light source unit 12, both end openings of the cover 30 are sealed with packings 35 to ensure a waterproof structure.

Next, in order to install the lighting device 10, the fixture main body 11 is installed on an installation surface such as a ceiling surface. At this time, the power cable is pulled into the instrument main body 11 in advance.

Hanging fittings 120 attached to the caps 36 at both ends of the light source unit 12 are hooked on the hooks 26 provided at the mounting portions 24 at both ends of the fixture body 11 to temporarily hang the light source unit 12 below the fixture body 11. .

Through the gap between the temporarily suspended light source unit 12 and the fixture main body 11, the drawer cable drawn out from the light source unit 12 is electrically connected to the power cable drawn into the fixture main body 11. - 特許庁A terminal block arranged inside the instrument body 11 may be used for electrical connection of these cables.

Insert the insertion area 12a on the upper side of the light source unit 12 into the opening 17 of the instrument body 11, insert a tool from the operation hole 97 of the cap 36 of the light source unit 12, and screw the screw 115 into the mounting portion 24 of the instrument body 11. Then, the light source unit 12 is attached to the fixture main body 11. The bushing 98 is fitted into the operation hole 97 to complete the installation.

When the light source unit 12 is attached to the device main body 11, the cap portion 90 of the cap 36 is fitted to the outer periphery of the end portion of the cover 30 of the light source unit 12, and there is a step so that the cap portion 90 protrudes from the surface of the cover 30. The step portion of the cap portion 90 enters the notch portion 22 provided in the fixture body 11, so that the light source unit 12 approaches the fixture body 11 and the gap between the light source unit 12 and the fixture body 11 is reduced. . This reduces the amount of light entering the interior of the instrument body 11 .

Further, when the external power is supplied to the power supply unit 34, the lighting power obtained by converting the external power supply by the power supply unit 34 is supplied to the light source module 33, the light emitting element 71 of the light source module 33 is lit, and the light emitted by the light emitting element 71 is turned on. passes through the cover 30 and exits to the outside.

The cover 30 has an opaque portion 30a and a translucent portion 30b. The opaque portion 30a is arranged inside the device main body 11, and the translucent portion 30b is arranged outside the device main body 11, so that light is emitted. Even if part of the light from the element 71 is reflected on the inner surface of the translucent portion 30b of the cover 30 and directed toward the non-translucent portion 30a, the light does not leak from the non-translucent portion 30a into the fixture body 11. is reflected on the inner surface of the non-light-transmitting portion 30a toward the light-transmitting portion 30b, and is easily emitted to the outside from the light-transmitting portion 30b.

The light emitted upward from the surfaces of the curved side portions of the translucent portion 30b, which is the boundary with the non-translucent portion 30a of the cover 30, is reflected by the reflective surface portion 20 of the device main body 11 to the side of the translucent portion 30b. Since the light is reflected toward the area, it is possible to reduce the amount of light entering the device main body 11 and toward the translucent portion 30b, thereby improving the light extraction efficiency. In addition, since the folded portion 21 is provided on the tip side of the reflecting surface portion 20 of the instrument body 11, when handling the instrument body 11, for example, an operator's finger or the like may not touch the tip side of the folded portion 21, which is the cut portion of the metal plate. It can be difficult to touch.

Further, heat generated by the light emitting element 71 during lighting is mainly transmitted to the chassis 31, and is radiated from the chassis 31 to the outside through, for example, the connecting member, the plurality of screws 113, the mounting plate 110, and the like. Furthermore, the heat generated by the power supply unit 34 is mainly transmitted to the mounting member 74 and the chassis 31, and is radiated from the chassis 31 to the outside through, for example, the connecting member, the plurality of screws 113, the mounting plate 110, and the like.

Chassis 31 is provided with projections 54 protruding from between side surfaces 51 on both sides. Since the space 55 is provided in between, even when the light source module 33 and the power supply unit 34 are accommodated in the cylindrical cover 30, the heat of the power supply unit 34 is less likely to be transmitted to the light source module 33, and the temperature of the light source module 33 does not rise. can be suppressed, and the influence on the deterioration of the light output of the light source module 33 and the service life can be reduced.

Furthermore, since the chassis 31 and the power supply section 34 are arranged in a limited space inside the cover 30, the wiring space for wiring the light source module 33 and the power supply section 34 is also limited. and the power supply unit 34 can be effectively utilized as a wiring space.

Moreover, since the light source module 33 is attached to the front side of the protrusion 54 of the chassis 31 in the projecting direction, the light source module 33 can be easily arranged inside the translucent portion 30b of the cover 30. The light from the light-emitting element 71 spreads inside the light-transmitting portion 30b of the cover 30, and the amount of light transmitted through the light-transmitting portion 30b of the cover 30 and emitted to the outside increases, thereby improving the light extraction efficiency.

In the light source unit 12 of the present embodiment, the folded portions 53 are folded back from the side portions 51 on both sides of the chassis 31 via the folded portions 52, and the folded portions 52 are provided with the second connecting grooves 57. By connecting the locking claws 67 of the connecting member 32 to the second connecting grooves 57, the locking claws 67 are unlikely to come off, and the connected state between the chassis 31 and the connecting members 32 can be reliably maintained.

In addition, since the folded portion 53 is folded inside the side portion 51, it does not protrude from the side surface of the chassis 31 and can be made compact. Furthermore, when handling the chassis 11, for example, it is possible to make it difficult for a worker's finger or the like to touch the distal end side of the folded portion 53, which is the cut portion of the metal plate.

In addition, since the locking claws 67 on both sides of the connecting member 32 are in contact with the outer surfaces of the folded portions 53 on both sides of the chassis 31, it is possible to restrict the interval between the side portions 51 on both sides of the chassis 31 from widening. .

In addition, since the projection of the locking piece 65 and the locking claw 67 from the end face portion 60 is such that the locking piece 65 is larger than the locking claw 67, first, the locking piece 65 is projected from the chassis 31. By engaging with the side surface portion 51 of , the locking claw 67 and the second connecting groove 57 of the bent portion 52 are positioned, and the locking claw 67 can be easily inserted into the second connecting groove 57 of the bent portion 52. , workability is good.

Note that the locking claw 37 of the connecting member 32 may be configured to be inserted into the gap between the side surface portion 51 and the folded portion 53 of the chassis 31 .

While several embodiments of the invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents thereof.

10 lighting equipment
11 Instrument body
12 Light source unit
30 covers
31 Chassis
32 Connecting member
33 Light source module
36 Cap
50 Mounting surface
51 side
52 Bend
53 Folding part
57 Second connecting groove, which is a connecting groove
67 Locking pawl
68 claw

Claims (3)

a light source module;
A mounting surface portion provided with the light source module, side portions provided on both sides of the mounting surface portion, folded portions folded back from the side portions via the folded portions, and connecting grooves provided in the folded portions. a chassis having;
a cylindrical cover at least partially translucent and through which the chassis provided with the light source module is inserted;
It has a locking claw with a claw portion protruding from a lower portion of the front end side , and the locking claw is arranged on the bent portion positioned above the side portion of the chassis, and the claw of the locking claw is provided. a connecting member that is connected to an end of the chassis by inserting the hook portion into the connecting groove from the bent portion so that the claw portion is engaged with the connecting groove;
a cap attached to the connecting member and covering an end of the cover;
A light source unit comprising: The light source unit according to claim 1, wherein the folded portion is folded inside the side portion via the folded portion. a device body;
A light source unit according to claim 1 or 2, which is attached to the fixture body;
A lighting device comprising:

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