JP5870288B2 - LED module and lighting apparatus using the same - Google Patents

Description

  The present invention relates to an LED module and a lighting fixture using the same.

  Conventionally, for example, an illumination device that has been used as spot illumination for a bathtub or the like and uses an LED as a light source has been proposed (for example, Patent Document 1).

  Patent Document 1 discloses an illumination device having the configuration shown in FIGS. 24 and 25. The lighting device includes a device main body 81 formed in a substantially cylindrical shape and provided with a female screw groove 81a on the inner peripheral surface, and a male member formed in a substantially cylindrical shape and screwed into the female screw groove 81a of the device main body 81 on the outer peripheral surface. And an adjusting portion 82 provided with a screw groove 82a. Each of the female screw groove 81a and the male screw groove 82a is a multi-threaded screw.

  Further, in this lighting device, a substantially cylindrical inner tube portion 83 disposed on the inner peripheral side of the adjustment portion 82 and six LEDs 87 are disposed at equal intervals on a circumference centered on the axis of the device main body 81. And a light distribution portion 85 having a lens portion 88 formed in a convex lens shape. The lighting device includes a heat sink 86.

  An outer annular convex portion 82b that protrudes outward is provided at the distal end portion (left end portion in FIG. 25) of the adjustment portion 82 so that the user can pick and rotate it. Further, in order to position the light distribution portion 85, an inner annular convex portion 82c that protrudes inward is provided at the tip of the adjustment portion 82.

  The light distribution unit 85 includes a lens array plate 85a formed in a disk shape, and a partition plate 85b erected on the lens array plate 85a. Further, the lens array plate 85 a is provided with the above-described lens portion 88 so as to be positioned on the optical axis of each LED 87 mounted on the substrate 84.

  The peripheral end portion of the lens array plate 85a is rotated and slid into an annular concave portion 91 (see FIG. 25) formed by a gap between the inner annular convex portion 82c of the adjusting portion 82 and the tip of the inner cylinder portion 83 (left end in FIG. 25). It is movably fitted. In addition, an inner cylinder annular convex portion 83a that protrudes outward is provided on the base end side (right end side in FIG. 25) of the inner cylinder portion 83.

  In the illuminating device described above, the adjustment unit 82 and the inner cylinder 83 constitute a moving cylinder for the apparatus main body 81 that is a fixed cylinder, and moves the light distribution unit 85 along the axis of the apparatus main body 81. Here, the first cover portion 93 and the second cover portion 94 are attached to the outer peripheral surface of the apparatus main body 81 by screws 92, 92. Thereby, in the above-described lighting device, the advancement of the adjustment unit 82 is regulated by the front portions (the left portion in FIG. 25) of the first cover portion 93 and the second cover portion 94, so that the adjustment portion 82 moves forward. Therefore, it is possible to prevent the apparatus main body 81 from falling off.

  The substrate 84 is provided with six substrate slits 84 a radially about the axis of the apparatus main body 81. Here, the partition plate 85b of the light distribution unit 85 is formed in a plate shape so as to extend radially from the center of the lens array plate 85a between the adjacent lens units 88 and to extend toward the substrate 84 side. It is inserted through each substrate slit 84a which is a through hole. That is, in the above-described lighting device, the rotation stop mechanism that prevents the light distribution unit 85 from rotating even if the adjustment unit 82 is rotated by the partition plate 85b and the substrate slit 84a through which the partition plate 85b is inserted. It is composed.

JP 2007-299679 A

  In the illumination device described above, the light distribution unit 85 can be moved along the axis of the device main body 81 without rotating. Therefore, in the above-described lighting device, the distance between the LED 87 and the lens unit 88 can be changed steplessly without causing the positional relationship between the LED 87 and the lens unit 88 to be shifted. It is possible to adjust steplessly to the size to be performed.

  However, in this lighting device, in order to prevent the adjustment unit 82 from falling off the apparatus main body 81 when the light distribution unit 85 is moved along the axis of the apparatus main body 81, the first cover 93 and the first cover 93 are provided. 2 The cover part 94 and the screws 92, 92 are necessary, and there is a concern about cost increase.

  This invention is made | formed in view of the said reason, The objective is to provide the LED module which can change the irradiation range of light to a desired range at low cost, and a lighting fixture using the same. .

  The LED module of the present invention is disposed inside a light source unit having an LED, a frame body that holds the light source unit, a lens unit that can control light distribution of light emitted from the LED, and the frame body. A cylindrical rotator that is rotatably held by the frame body, and the rotator is rotated in the outer peripheral direction of the rotator so that the lens unit is moved along the central axis of the rotator. The lens unit includes a disk-shaped base and a lens unit that is formed on the base and controls the light distribution of the light emitted from the LED. The mechanism includes a first inclined portion having an inclined piece that is inclined so as to be separated from one surface of the base along one direction of the outer periphery of the base, and one surface of the inclined piece can be slidably contacted in the outer peripheral direction of the base. A second inclined portion having an inclined surface, and another surface of the inclined piece Is configured to include a sliding contact portion that is slidable in the outer peripheral direction of the base body, and a rotation preventing portion that prevents the lens unit from rotating in the outer peripheral direction of the base body. A plurality of the second inclined portion and the sliding contact portion are provided integrally with the rotor, and the rotation prevention portion is provided on an inner surface of the frame body. A plurality of protrusions are provided, and a restricting portion for restricting a rotation range of the rotator is integrally provided on the base body in order to prevent the rotator from being detached from the frame body. In addition, a locking portion that can be detachably locked to the restriction portion is integrally provided.

  In this LED module, a convex portion projecting inward is provided on the inner side surface of the frame body, and the rotator is rotatable to the outer periphery of the rotator. It is preferable that a slit portion for guiding the formation is formed, and an introduction portion for introducing the convex portion into the slit portion is formed so as to communicate with the slit portion.

  In this LED module, the light source unit has a holder capable of holding the wiring board on which the LED is mounted, and a holding claw for holding a peripheral end of the wiring board protrudes from the holder. It is preferable that an engagement claw protrudes from one of the frame and the frame, and an engagement hole is formed in the other to engage the engagement claw.

  In this LED module, the holder is integrally provided with a holding portion that holds the rotor between the convex portion of the frame body in a state where the holder is engaged with the frame body. It is preferable to become.

  In this LED module, the holding portion is disposed at a position corresponding to the convex portion in a state where the holder is engaged with the frame body, and the slit portion is arranged when the rotor rotates. It is preferable that the peripheral portion is formed so as to be held between the convex portion of the frame body, and the convex portion is formed in an oval shape in a front view.

  In this LED module, it is preferable that the inner peripheral wall of the slit portion is integrally provided with a protrusion that can elastically contact the convex portion.

  The lighting fixture of the present invention includes the LED module and a fixture main body for holding the LED module.

  In the LED module of the present invention, the light irradiation range can be changed to a desired range at low cost.

  In the lighting fixture of this invention, the lighting fixture using the LED module which can change the irradiation range of light to a desired range at low cost can be provided.

1 is an exploded perspective view of an LED module according to Embodiment 1. FIG. The holder in an LED module same as the above is shown, (a) is the perspective view seen from the front side, (b) is the perspective view seen from the rear side. The frame in an LED module same as the above is shown, (a) is the perspective view seen from the front side, (b) is the perspective view seen from the back side. The lens unit in an LED module same as the above is shown, (a) is the perspective view seen from the front side, (b) is the perspective view seen from the rear side. The rotator in an LED module same as the above is shown, (a) is a perspective view seen from the front side, (b) is a perspective view seen from the rear side. It is explanatory drawing explaining the method of attaching a rotor to a frame regarding the LED module same as the above. (A) is explanatory drawing explaining the method to attach a lens unit to a rotor, (b) is AA sectional drawing of (a) regarding the LED module same as the above. (A) (b) is explanatory drawing explaining the method to attach a light source part to a frame regarding the LED module same as the above, (c) is DD sectional drawing of (b). It is explanatory drawing explaining the state which rotated the rotor about the LED module same as the above. It is another explanatory drawing explaining the state which rotated the rotor regarding the LED module same as the above. It is another explanatory drawing explaining the state which rotated the rotor about the LED module same as the above. (A) is a perspective view which shows a state in which the lens unit is farthest from the light source unit, and (b) is a sectional view taken along line BB in (a), regarding the LED module same as above. It is a perspective view which shows the state which rotated the rotor about the LED module same as the above. (A) is a perspective view which shows the state which the lens unit approached the light source part most about the LED module same as the above, (b) is CC sectional drawing of (a). It is explanatory drawing explaining the method to attach an LED module same as the above to an instrument main body. It is a perspective view which shows the structural example of the lighting fixture of Embodiment 1. FIG. It is a perspective view which shows the other structural example of the lighting fixture same as the above. In the LED module of Embodiment 2, (a) is a perspective view of a rotator, and (b) is a partially broken perspective view except for a light source part. The LED module of Embodiment 3 except the light source part is shown, (a) is a perspective view seen from the front side, and (b) is a perspective view seen from the rear side. The frame in an LED module same as the above is shown, (a) is the perspective view seen from the front side, (b) is the perspective view seen from the back side. The lens unit in an LED module same as the above is shown, (a) is the perspective view seen from the front side, (b) is the perspective view seen from the rear side. The rotator in an LED module same as the above is shown, (a) is a perspective view seen from the front side, (b) is a perspective view seen from the rear side. Regarding the LED module described above, (a) is a perspective view showing a state in which the lens unit is farthest from the light source unit, (b) is a perspective view showing a state in which the lens unit is closest to the light source unit, and (c) is (a) It is EE sectional drawing of). It is a disassembled perspective view of the illuminating device of a prior art example. It is a schematic sectional drawing which shows the state which kept the lens array board away from LED in the illuminating device same as the above.

(Embodiment 1)
Hereinafter, the LED module of the present embodiment will be described with reference to FIGS.

  The LED module 10 of this embodiment includes a light source unit 1 having an LED 9, a frame body 2 that holds the light source unit 1, a lens unit 3 that can control light distribution of light emitted from the LED 9, and a frame body 2. A cylindrical rotator 4 that is disposed inside and is rotatably held by the frame 2 is provided. The LED module 10 also includes a conversion mechanism 8 that allows the lens unit 3 to move along the central axis of the rotator 4 when the rotator 4 rotates in the outer circumferential direction of the rotator 4. Yes.

  The light source unit 1 includes a plurality of (in this embodiment, seven) LEDs 9, a single wiring board 11 on which the plurality of LEDs 9 are mounted, and a pair of electric wires 12 electrically connected to the wiring board 11, 12 are provided. In FIG. 1, five of the seven LEDs 9 are visible. Further, the electrical connection relationship of the plurality of LEDs 9 may be a series connection or a parallel connection, or may be a combination of a series connection and a parallel connection.

  As the LED 9, for example, an LED chip that emits blue light (hereinafter referred to as a blue LED chip) and a phosphor made of a yellow phosphor that emits broad yellow light that is excited by the blue light emitted from the blue LED chip. A white LED that obtains white light in combination can be used. Such an LED 9 includes, for example, a blue LED chip (not shown), one mounting substrate 9a on which the blue LED chip is mounted, and a first light-transmitting material that covers the blue LED chip and contains a yellow phosphor. And a color conversion unit (not shown) made of a material. The number of blue LED chips mounted on one mounting substrate 9a may be one or plural. As the first light transmissive material, for example, a silicone resin, an epoxy resin, glass, or the like can be used.

  Further, the LED 9 has a convex lens-shaped sealing portion 9b made of a second translucent material (for example, silicone resin, epoxy resin, glass, etc.) that seals the blue LED chip and the color conversion portion. .

  Here, the phosphor of the LED 9 is not limited to the yellow phosphor, and, for example, a red phosphor and a green phosphor may be used. Alternatively, the LED 9 may be a white LED that obtains white light by combining an LED chip that emits purple to near-ultraviolet light and a red phosphor, a green phosphor, and a blue phosphor. Further, the LED 9 may be a white LED that obtains white light by combining an LED chip that emits red light, an LED chip that emits green light, and a blue LED chip.

  The wiring board 11 is formed of, for example, a metal base printed wiring board, and is formed in a polygonal shape (an octagonal shape in the present embodiment) in plan view. In addition, in the LED module 10 of this embodiment, although a metal base printed wiring board is used as the wiring board 11, it is not restricted to this, For example, the printed wiring board formed with the insulating base material which consists of glass epoxy resins etc. A ceramic substrate or the like may be used. In the present embodiment, the outer peripheral shape of the wiring board 11 is an octagonal shape in plan view, but is not limited thereto, and may be, for example, a quadrangular shape, a pentagonal shape, a circular shape, or the like.

  A pair of first electrode portions (not shown) that can be electrically connected to each LED 9 is formed on the wiring board 11 on the mounting surface side (lower side in FIG. 1) of each LED 9 on the wiring board 11. Each is formed by a part of a conductor pattern (not shown). Here, in each LED 9, the anode electrode is electrically connected to one of the pair of first electrode portions, and the cathode electrode is electrically connected to the other.

  In addition, a reflective layer (not shown) made of a white resist layer or the like covering most of the portions other than each LED 9 and each pair of first electrode portions is formed on the mounting surface side of each LED 9 on the wiring board 11. ing. Thereby, in the LED module 10 of this embodiment, it becomes possible to suppress that the light radiated | emitted from each LED9 is absorbed by the wiring board 11. FIG.

  A pair of terminal portions 15 and 15 (see FIGS. 1 and 8) that can electrically connect the pair of electric wires 12 and 12 are disposed on the mounting surface side of each LED 9 on the wiring board 11. Here, each electric wire 12 is a covered electric wire in which a conductor 12a (see FIG. 8) that can be electrically connected to each terminal portion 15 is covered with an insulating covering portion 12b (see FIG. 8). A portion of the conductor 12a that is electrically connected to is exposed. In addition, on the mounting surface side of each LED 9 on the wiring board 11, a pair of second electrode portions (not shown) for supplying power to the plurality of LEDs 9 is formed by a part of the conductor pattern. Here, the pair of terminal portions 15 and 15 are electrically connected to the pair of second electrode portions by solder. In FIG. 1 and FIG. 8, one terminal portion 15 of the pair of terminal portions 15, 15 is visible. In the LED module 10 of the present embodiment, “+” and “−” indicating polarity may be written in the vicinity of each second electrode portion of the wiring board 11. Thereby, in LED module 10 of this embodiment, it becomes possible to prevent a misconnection of a pair of electric wires 12 and 12.

  Each terminal part 15 is comprised by the U-shaped terminal board, and both the leg pieces of these terminal boards are electrically connected to each of each 2nd electrode part.

  Further, on the side opposite to the mounting surface side of each LED 9 in the wiring board 11 (upper side in FIG. 1), a heat dissipation sheet 14 having electrical insulation and thermal conductivity is disposed. Thereby, in the LED module 10 of this embodiment, it becomes possible to efficiently radiate the heat generated in the light source unit 1 to the appliance body 20 (see FIG. 15) side that holds the LED module 10 through the heat dissipation sheet 14. .

  Further, in the LED module 10 of the present embodiment, the light source unit 1 has a holder 13 that can hold the wiring board 11 on which each LED 9 is mounted.

  The holder 13 can be made of a synthetic resin material (for example, polybutylene terephthalate (PBT)). In the LED module 10 of the present embodiment, the holder 13 is made of a black synthetic resin material.

  Further, the holder 13 has a bottomed cylindrical shape (a bottomed cylindrical shape in this embodiment) for housing the wiring board 11 and outwards on the opening side (upper side in FIG. 1) of the holder main body 13a. And an extended flange 13b.

  The depth dimension of the holder main body 13 a is set slightly larger than the thickness dimension of the wiring board 11. Further, the inner peripheral shape of the holder main body 13 a is set slightly larger than the outer peripheral shape of the wiring board 11.

  On the inner bottom surface of the holder main body 13a, ribs 13c (see FIG. 2) for positioning the wiring board 11 in the outer peripheral direction of the holder main body 13a are spaced apart from each other in the outer peripheral direction of the holder main body 13a (in this embodiment, 2 points). Here, the peripheral end portion of the wiring board 11 is formed with a notch 11a at each of the positions corresponding to the ribs 13c of the holder body 13a in a state where the wiring board 11 is housed in the holder body 13a. . Thereby, in the LED module 10 of this embodiment, it becomes possible to position the wiring board 11 in the outer peripheral direction of the holder main body 13a in the holder main body 13a. In FIG. 2, one of the two ribs 13c is visible. Moreover, in FIG. 1, one notch part 11a is visible out of the two notch parts 11a.

  Further, on the inner bottom surface of the holder main body 13a, holding claws 13d (see FIG. 3) for holding the peripheral end of the wiring board 11 are spaced apart from each other in the outer peripheral direction of the holder main body 13a (in this embodiment, 2). Project). In short, the holder 13 is provided with a holding claw 13 d that holds the peripheral end portion of the wiring board 11. Here, at the peripheral end portion of the wiring board 11, a protruding piece 11 b for each holding claw 13 d to hold the wiring board 11 is provided integrally with the wiring board 11. Thereby, in the LED module 10 of this embodiment, the holder 13 can hold the wiring board 11. Moreover, in the LED module 10 of this embodiment, the through-hole 13f is formed in the bottom part of the holder main body 13a in the vicinity of each holding claw 13d, and it is confirmed that each holding claw 13d holds the wiring board 11. Is possible.

  Further, on the side of the holder main body 13a, a lead-out portion 13e for leading the pair of electric wires 12 and 12 electrically connected to the wiring board 11 to the outside is provided. Here, a plurality of window holes 13g (see FIG. 2) for exposing the respective LEDs 9 mounted on the wiring board 11 in a state where the holder 13 holds the wiring board 11 are formed at the bottom of the holder main body 13a. In the LED module 10 according to the present embodiment, four window holes 13g having a circular shape in plan view surrounding one LED 9 and a window having a triangular shape in plan view surrounding three LEDs 9 positioned in the vicinity of the lead-out portion 13e of the holder 13 are provided. The holes 13g constitute a plurality of window holes 13g. Thus, in the LED module 10 of the present embodiment, the pair of electric wires 12 and 12 electrically connected to the wiring board 11 in a state where the holder 13 holds the wiring board 11 is led out to the outside through the lead-out part 13e. Is possible. Hereinafter, in the LED module 10 of the present embodiment, the window hole 13g having a triangular shape in plan view is referred to as a window hole 13h (see FIG. 2) for convenience of explanation.

  Engagement claws 13k (see FIG. 3) for the frame body 2 to engage the holder 13 are spaced apart from each other in the outer peripheral direction of the holder main body 13a (in this embodiment, in the flange portion 13b of the holder 13). 2 points). In short, the holder 13 is provided with an engaging claw 13k. Each engagement claw 13k can be elastically deformed in one direction along the bottom surface of the holder body 13a.

  Further, a protruding wall 13m (see FIG. 2) protruding to the opposite side of the wiring board 11 is provided integrally with the flange 13b on the inner peripheral portion of the flange 13b.

  The frame 2 can be made of, for example, a synthetic resin material (PBT or the like). In addition, in the LED module 10 of this embodiment, the frame 2 is comprised with the black synthetic resin material.

  The frame 2 has a plate-like (disc-like in the present embodiment) bottom wall 2a having a circular opening hole in the center, and the light source unit 1 side (in FIG. 1) from the outer periphery of the bottom wall 2a. A cylindrical first side wall 2b projecting toward the upper side) and a cylindrical second side wall 2c projecting from the inner peripheral edge of the opening hole toward the side opposite to the light source unit 1 side. Configured.

  On the inner side surface of the first side wall 2b, a plurality (two in this embodiment) of engagement holes 2g (see FIG. 3) with which the respective engagement claws 13k of the holder 13 are engaged are formed. In short, the frame body 2 is formed with an engagement hole 2g with which the engagement claw 13k of the holder 13 is engaged. In the LED module 10 according to the present embodiment, the person aligns each engagement claw 13k of the holder 13 with the position of each engagement hole 2g of the first side wall 2b, and then pushes in the holder 13 so that each engagement claw 13k. Are respectively engaged with the respective engagement holes 2g, and the holder 13 can be held by the frame body 2 (see FIG. 8). Here, on the inner side surface of the first side wall 2b, introduction portions 2h (see FIG. 3) for introducing the respective engagement claws 13k of the holder 13 into the respective engagement holes 2g are provided in the respective engagement holes 2g. It is formed in the vicinity. Thereby, in the LED module 10 of this embodiment, it becomes possible to improve the workability | operativity which makes each engagement claw 13k of the holder 13 each engage with each engagement hole 2g of the 1st side wall 2b. In FIG. 3, one of the two engagement holes 2g is visible. Further, in the LED module 10 of the present embodiment, the engaging claw 13k protrudes from the holder 13 and the engaging hole 2g is formed in the frame 2. However, the engaging claw 13k protrudes from the frame 2. The engaging hole 2g may be formed in the holder 13.

  Therefore, in the LED module 10 of the present embodiment, the light source unit 1 has the holder 13 that can hold the wiring board 11 on which the LEDs 9 are mounted, and the holder 13 holds the peripheral end of the wiring board 11. Since the claw 13d protrudes, the engagement claw 13k protrudes from one of the holder 13 and the frame 2, and the engagement hole 2g that engages the engagement claw 13k is formed on the other. The light source unit 1 and the frame body 2 can be assembled without using a fixing tool such as a screw.

  In addition, a recess 2j (see FIGS. 1 and 3) for positioning the holder 13 in the outer peripheral direction of the frame 2 at the end of the first side wall 2b opposite to the second side wall 2c (the upper side in FIG. 1). Etc.) are formed at a plurality of locations (four locations in the present embodiment) spaced apart in the outer peripheral direction of the frame 2. Here, the flange portion 13b of the holder 13 has a protruding piece 13n (see FIGS. 1 and 2, etc.) at each of the positions corresponding to the concave portions 2j of the first side wall 2b when the holder 13 is held by the frame body 2. ) Is projected. Thereby, in the LED module 10 of this embodiment, it becomes possible to prevent the holder 13 from rotating in the outer peripheral direction of the frame body 2.

  The lens unit 3 can be made of a translucent material (for example, acrylic resin, glass, etc.). In the LED module 10 of the present embodiment, the lens unit 3 is made of acrylic resin (such as methacrylic resin (PMMA)).

  The lens unit 3 includes a disk-shaped base 3a and a plurality (seven in this embodiment) of lens units that individually control the light distribution of the light emitted from each of the LEDs 9 formed on the base 3. 3b.

  In the base body 3a, each lens portion 3b is integrally formed at each of the portions facing the respective LEDs 9 mounted on the wiring board 11. In the LED module 10 of the present embodiment, the light exit surface side of each lens portion 3b is formed in a convex curved surface (for example, an aspherical shape). Here, in the present embodiment, the opposite side of the bottom of the holder body 13a on the side opposite to the wiring substrate 11 side (lower side in FIG. 1) so as to surround each of the window holes 13g and 13h in plan view. A peripheral wall 13j that protrudes toward and contacts the peripheral portion of the light incident surface of each lens portion 3b is provided integrally with the holder main body 13a. Thereby, in the LED module 10 of this embodiment, it becomes possible to use the surrounding wall 13j as a light shielding wall, and the light emitted from each LED 9 is a lens part other than the lens part 3b facing each LED 9. It is possible to suppress the incidence on the light incident surface 3b. In the present embodiment, since the peripheral wall 13j of the holder 13 is made of a black synthetic resin material, the light emitted from each LED 9 is a lens part other than the lens part 3b facing each LED 9. It is possible to further suppress the incidence on the light incident surface 3b. Moreover, in this embodiment, in three LED9 arrange | positioned inside the window hole 13h of the holder 13, each electric wire 12 is arrange | positioned between adjacent LED9 (refer FIG. 1). Furthermore, in this embodiment, the outer diameter dimension of each electric wire 12 and the height dimension of the peripheral wall 13j are set to substantially the same dimension. Thereby, in the LED module 10 of this embodiment, it becomes possible to utilize a pair of electric wires 12 and 12 as a light-shielding wall.

  By the way, on the inner surface of the first side wall 2 b of the frame body 2, a rotation preventing portion 2 d (see FIG. 3) that prevents the lens unit 3 from rotating in the outer circumferential direction of the base body 3 a is provided in the outer circumferential direction of the frame body 2. And projecting inward at a plurality of locations (two locations in the present embodiment). Here, the peripheral end portion of the base body 3a of the lens unit 3 is positioned at a position corresponding to each rotation preventing portion 2d of the first side wall 2b of the frame body 2 in a state where the lens unit 3 is disposed inside the frame body 2. In addition, a notch 3c is formed. Thereby, in the LED module 10 of this embodiment, it is possible to prevent the lens unit 3 from rotating in the outer peripheral direction of the base body 3a due to the rotation of the rotor 4. Further, the flange portion 13b of the holder 13 abuts each rotation preventing portion 2d at each position corresponding to each rotation preventing portion 2d of the frame body 2 in a state where the holder 13 is engaged with the frame body 2. The 1st notch part 13q for avoiding is formed. Further, a second notch 13r (see FIG. 2) for holding the LED module 10 on the fixture body 20 (see FIG. 15) is spaced apart from the holder 13b in the outer peripheral direction of the holder body 13a. Are formed at a plurality of locations (in this embodiment, two locations).

  Each rotation prevention portion 2d is formed with a fixing screw hole 16 (see FIG. 3) into which a fixing screw (not shown) for fixing the LED module 10 to the instrument body 20 is screwed. Each fixing screw hole 16 is formed along a direction parallel to the center line of the opening hole of the bottom wall 2a.

  Further, on the outer surface of the first side wall 2b, groove portions 2e are formed at positions corresponding to the respective rotation preventing portions 2d along a direction parallel to the center line of the opening hole of the bottom wall 2a. Each groove portion 2e has a length dimension in a direction parallel to the center line of the opening hole of the bottom wall 2a set to half the height dimension of the first side wall 2b, and the second side wall 2c side of the first side wall 2b Is arranged. Thereby, in the LED module 10 of this embodiment, when molding the frame body 2, it is possible to suppress the occurrence of sink marks on the outer surface of the first side wall 2b.

  Further, on the inner side surface of the first side wall 2b, convex portions 2f projecting inwardly protrude from a plurality of locations (two locations in the present embodiment) spaced apart in the outer peripheral direction of the frame body 2. In short, the inner surface of the frame body 2 is provided with a convex portion 2f that protrudes inward.

  The rotor 4 can be made of, for example, a synthetic resin material (PBT or the like). In the LED module 10 of the present embodiment, the rotator 4 is made of a black synthetic resin material. Therefore, in the LED module 10 of the present embodiment, the frame body 2 and the rotator 4 are made of a black synthetic resin material. Therefore, the light emitted from the peripheral portion on the light emitting surface side of each lens portion 3b. The light from the light source unit 1 can be collected in a certain range.

  Further, the rotator 4 extends outwardly to a rotator body 4a formed in a cylindrical shape and one end portion (upper end portion in FIG. 1) in a direction along the central axis of the rotator body 4a. And a plurality of (two in the present embodiment) outer flange portions 4b. Here, the projecting dimension of each outer flange portion 4 b is set to be slightly larger than the width dimension of the bottom wall 2 a of the frame body 2. Thereby, in the LED module 10 of this embodiment, the frame body 2 can hold the rotor 4 by arranging the rotor 4 inside the frame body 2.

  An anti-slip is provided on the outer wall on the other end side (the lower end side in FIG. 1) of the rotator main body 4a for preventing the finger from slipping when the person rotates the rotator 4 with the finger. The portions 4c are provided at a plurality of locations (two locations in the present embodiment) that are spaced apart from each other in the outer circumferential direction of the rotor main body 4a. In the LED module 10 of the present embodiment, each anti-slip portion 4c is configured by a plurality of grooves 4j formed in a direction along the central axis of the rotor body 4a on the outer wall of the rotor body 4a. Yes. Each groove 4j is formed along the outer peripheral direction of the rotator body 4a on the outer wall of the rotator body 4a, and has a V-shaped sectional view.

  Further, on the outer wall on the other end side of the rotator main body 4a, a plurality of marks 4d indicating the rotation position of the rotator 4 with respect to the frame body 2 are spaced apart in the outer circumferential direction of the rotator main body 4a ( In this embodiment, two) are provided. Here, the distance between the light source unit 1 and the lens unit 3 is adjusted to the outer side wall of the second side wall 2c of the frame body 2 on the side opposite to the first side wall 2b side (the lower side in FIG. 1). A plurality of scale portions 2k are provided (two in the present embodiment) so as to be spaced apart from each other in the outer peripheral direction of the frame body 2. In the LED module 10 of the present embodiment, each scale unit 2k is configured by a plurality of (in this embodiment, five) scales 2m indicating the distance between the light source unit 1 and the lens unit 3. Therefore, in the LED module 10 of the present embodiment, when a person rotates the rotator 4 with respect to the frame body 2, the mark 4 d of the rotator body 4 a is displayed on the scale portion 2 k of the frame body 2. The distance between the light source unit 1 and the lens unit 3 can be easily adjusted by adjusting to one of the scales 2m.

  An outer peripheral wall 4e extends along the inner surface of the first side wall 2b in a state where the rotor 4 is held by the frame 2 at the outer peripheral end of each outer flange portion 4b.

  In each outer peripheral wall 4e, a slit portion 4f is formed along the outer peripheral direction of the rotor main body 4a for guiding the rotor 4 to rotate freely in the outer peripheral direction of the rotor 4. ing. In short, the rotator 4 is formed with a slit portion 4f that guides the rotator 4 to freely rotate in the outer circumferential direction of the rotator 4. Each slit portion 4f is formed with an introduction portion 4g for introducing each convex portion 2f separately so as to communicate with these slit portions 4f. In short, the introduction part 4g for introducing the convex part 2f is formed in the slit part 4f so as to communicate with the slit part 4f. Each introduction portion 4g is arranged on the rotor body 4a side (the lower side in FIG. 1) in each slit portion 4f.

  Therefore, in the LED module 10 of the present embodiment, the inner surface of the frame body 2 is provided with a convex portion 2 f that protrudes inward, and the rotator 4 is disposed in the outer circumferential direction of the rotator 4. A slit portion 4f that guides the pivoting is formed, and an introduction portion 4g for introducing the convex portion 2f is formed in the slit portion 4f so as to communicate with the slit portion 4f. The moving element 4 can be rotatably held on the frame body 2 (see FIG. 6), and the rotating element 4 can be rotated in the outer peripheral direction of the rotating element 4. Further, in the present embodiment, since each introduction portion 4g is disposed on the side of the rotator main body 4a in the slit portion 4f, each convex portion 2f of the frame body 2 is introduced into each introduction portion 4g of the rotator 4. As a result, the rotor 4 can be attached to the frame 2. A pair of holding portions 18, 18 that hold the rotor 4 between the protrusion 2 f of the frame body 2 in a state where the holder 13 is engaged with the frame body 2, are provided on the flange portion 13 b of the holder 13. It is provided integrally with the holder 13. In short, the holder 13 is integrally provided with a holding portion 18 that holds the rotor 4 between the convex portion 2 f of the frame body 2 in a state where the holder 13 is engaged with the frame body 2. . Thereby, in the LED module 10 of this embodiment, it becomes possible to suppress that the shape of each convex part 2f of the frame 2 deform | transforms. In the LED module 10 of the present embodiment, a plurality of pairs of holding portions 18 and 18 are provided on the flange portion 13 b of the holder 13.

  In the LED module 10 of the present embodiment, each pair of holding portions 18 and 18 is disposed at each position corresponding to each convex portion 2 f of the frame body 2 in a state where the holder 13 is engaged with the frame body 2. ing. Specifically, each of the pair of holding portions 18 and 18 is such that each convex portion 2f of the frame body 2 is positioned between the pair of holding portions 18 and 18 in a state where the holder 13 is engaged with the frame body 2. Are arranged to be. Further, in the present embodiment, each pair of holding portions 18, 18 holds the peripheral portion of each slit portion 4 f in each outer peripheral wall 4 e of the rotator 4 when the rotator 4 rotates. Is formed. Here, each convex part 2f is formed in the front view ellipse shape. Therefore, in the LED module 10 of the present embodiment, the holding portion 18 is disposed at a position corresponding to the convex portion 2f in a state where the holder 13 is engaged with the frame body 2, and the rotator 4 rotates. Since each convex part 2f is formed so as to hold the peripheral part of the slit part 4f in an oblong shape when viewed from the front, each convex part 2f of the frame body 2 and each slit of the rotator 4 It is possible to suppress the deformation of the inner peripheral wall of the portion 4f. Moreover, in this embodiment, since each convex part 2f is formed in the oblong shape in front view, the area which each convex part 2f slidably contacts with each slit part 4f becomes large, and the frame 2 attaches the rotor 4. It becomes possible to increase the holding force to hold.

  By the way, the conversion mechanism 8 includes a first inclined portion 5 having an inclined piece 5a that is inclined so as to be separated from one surface (the lower surface in FIG. 1) of the lens unit 3 along one outer circumferential direction of the substrate 3a. The second inclined portion 6 having an inclined surface 6a (see FIG. 5) on which one surface 5d (see FIGS. 1 and 4) of the inclined piece 5a can slide in the outer peripheral direction of the base 3a, and the other surface of the inclined piece 5a 5c (refer FIG. 4) is comprised by the sliding contact part 7 which can be slidably contacted in the outer peripheral direction of the base | substrate 3a, and the above-mentioned rotation prevention part 2d.

  A plurality of (four in this embodiment) first inclined portions 5 are provided at the peripheral end of the base 3a of the lens unit 3 so as to be separated from the outer periphery of the base 3a and integrally with the base 3a. In addition, in the LED module 10 of this embodiment, each 1st inclination part 5 is provided so that it may protrude to the light-projection surface side of the lens part 3b.

  Each of the first inclined portions 5 includes the inclined piece 5a and the substrate 3a which are inclined so as to gradually protrude from the substrate 3a toward the light emitting surface side of the lens portion 3b along one direction of the outer periphery of the substrate 3a. And a support piece 5b that is formed integrally with and supports the inclined piece 5a.

  The second inclined portion 6 is spaced apart from the outer flange portion 4b of the rotator 4 in the outer peripheral direction of the rotator main body 4a, and is integrated with the rotator 4 toward the lens unit 3 (upward in FIG. 1). A plurality (two in this embodiment) are provided so as to project.

  A plurality of sliding contact portions 7 are spaced apart from each outer flange portion 4b of the rotator 4 in the outer peripheral direction of the rotator main body 4a toward the lens unit 3 side integrally with the rotator 4 (in the present embodiment). 2). In short, in the LED module 10 of the present embodiment, a plurality of second inclined portions 6 and sliding contact portions 7 are integrally provided on the rotor 4.

  Further, each of the inclined pieces 5a of each first inclined portion 5 is formed with a notch portion 5e for individually guiding each sliding contact portion 7 of the rotor 4 to the other surface 5c of the inclined piece 5a. . Thereby, in the LED module 10 of this embodiment, each sliding contact part 7 of the rotator 4 can come into sliding contact with the other surface 5 c of the inclined piece 5 a in each first inclined part 5 of the lens unit 3. . In the LED module 10 of the present embodiment, through holes 4h are formed in the vicinity of the sliding contact portions 7 in the outer flange portions 4b of the rotator 4, and each sliding contact portion 7 is a lens unit. It is possible to confirm the state of sliding contact with the other surface 5c of each of the three inclined pieces 5a.

  Hereinafter, regarding the LED module 10 of the present embodiment, the movement of the lens unit 3 along the central axis of the rotator 4 with respect to the rotation of the rotator 4 will be described with reference to FIGS. 9 to 14. .

  In the LED module 10 of the present embodiment, as shown in FIG. 9, each convex portion 2 f of the frame body 2 is opposite to each introduction portion 4 g side of each slit portion 4 f of the rotor 4 (on the left side in FIG. 9). ) Are arranged at the end of each of the inclined portions 5a of the first inclined portion 5 of the lens unit 3 (see FIG. 4). In this case, the distance between the light source unit 1 and the lens unit 3 is the longest, and the irradiation range of the light emitted from each LED 9 of the light source unit 1 is the narrowest. . Here, in the LED module 10 of the present embodiment, as shown in FIG. 10, when a person rotates the rotator 4 in the direction of the arrow shown in FIG. 10, each sliding contact of the rotator 4 is performed. The portion 7 is in sliding contact with the other surface 5c of the inclined piece 5a in each first inclined portion 5 of the lens unit 3 in one direction in the outer peripheral direction of the base body 3a, and the inclined surface 6a of each second inclined portion 6 of the rotor 4 is provided. Since one surface 5d of the inclined piece 5a in each first inclined portion 5 of the lens unit 3 is slidably contacted in one direction in the outer peripheral direction of the base 3a, the lens unit 3 gradually moves toward the light source portion 1 side. The distance between the light source unit 1 and the lens unit 3 is gradually shortened, and the irradiation range of light emitted from each LED 9 of the light source unit 1 is gradually widened.

  And in the LED module 10 of this embodiment, as shown in FIG. 11, each convex part 2f of the frame 2 is each introduction part 4g side (right side in FIG. 11) of each slit part 4f of the rotor 4. As shown in FIG. When arranged at the end, each second inclined portion 6 and each sliding contact portion 7 of the rotor 4 are on the other end side of the inclined piece 5a in each first inclined portion 5 of the lens unit 3 (in FIG. 4). , The distance between the light source unit 1 and the lens unit 3 is the shortest, and the irradiation range of the light emitted from each LED 9 of the light source unit 1 is the widest.

  Here, in the LED module 10 of the present embodiment, the support piece 5b of each first inclined portion 5 of the lens unit 3 is rotated by the rotation of the rotor 4 in order to prevent the rotor 4 from being detached from the frame body 2. It has a function as a regulating part that regulates the moving range. In short, in the LED module 10 of the present embodiment, a restricting portion (supporting member) that restricts the rotation range of the rotator 4 to prevent the rotator 4 from being detached from the frame body 2 on the base body 3a of the lens unit 3. The piece 5b) is provided integrally. Further, in the LED module 10 of the present embodiment, each sliding contact portion 7 of the rotor 4 has a function as a locking portion that can be detachably locked to the restriction portion (support piece 5b). . In short, in the LED module 10 of the present embodiment, the rotator 4 is integrally provided with a locking portion (sliding contact portion 7) that can be detachably locked to the restriction portion (support piece 5b). Thereby, in the LED module 10 of this embodiment, it becomes possible to regulate the rotation range of the rotor 4, and for example, the rotor 4 can be detached from the frame 2 without using a fixing tool such as a screw. It is possible to prevent separation.

  In the LED module 10 of the present embodiment described above, the light source unit 1 having the LED 9, the frame body 2 that holds the light source unit 1, the lens unit 3 that can control the light distribution of the light emitted from the LED 9, and the frame A cylindrical rotator 4 disposed inside the body 2 and rotatably held by the frame 2, and the rotator 4 rotates in the outer peripheral direction of the rotator 4 to rotate the lens unit 3. The lens unit 3 includes a disk-shaped base 3a and a light distribution of light emitted from the LED 9 formed on the base 3a. And a lens portion 3b. Further, in the LED module 10 of the present embodiment, the conversion mechanism 8 includes the first inclined portion 5 having the inclined piece 5a that is inclined so as to be separated from one surface of the base 3a along one direction of the outer periphery of the base 3a, and the inclined A second inclined portion 6 having an inclined surface 6a in which one surface 5d of the piece 5a can be slidably contacted in the outer peripheral direction of the base 3a, and a slidable contact portion in which the other surface 5c of the inclined piece 5a is slidable in the outer peripheral direction of the base 3a. 7 and a rotation preventing portion 2d that prevents the lens unit 3 from rotating in the outer circumferential direction of the base 3a, and a plurality of first inclined portions 5 are integrally provided at the peripheral end of the base 3a. 2 Each of the inclined portion 6 and the sliding contact portion 7 is provided in a plurality integrally with the rotor 4, and a plurality of rotation preventing portions 2d are provided on the inner surface of the frame body 2 so as to rotate on the base 3a. In order to prevent the moving element 4 from being detached from the frame body 2, a restricting portion (supporting part) that restricts the rotation range of the rotating element 4. The piece 5b) is integrally provided, and the rotator 4 is integrally provided with a locking portion (sliding contact portion 7) that can be detachably locked to the restricting portion (supporting piece 5b). As compared with the conventional illumination device having the configuration shown in FIG. 25, the light irradiation range can be changed to a desired range at low cost.

  Hereinafter, an example of the lighting fixture using the LED module 10 of this embodiment is demonstrated based on FIG. 15 and FIG.

  The lighting fixture 30 of the present embodiment includes an LED module 10 and a fixture body 20 that holds the LED module 10.

  The instrument body 20 can be made of a metal such as aluminum, for example.

  In addition, the instrument body 20 has a plate-like (disc-like in this embodiment) bottom wall 21a having a circular opening hole in the center, and the LED module 10 side (in FIG. 15) from the outer peripheral edge of the bottom wall 21a. And a side wall 21b that protrudes downward (to the lower side). Moreover, the instrument main body 20 has a heat radiating part 22 that radiates heat generated in the LED module 10, and the heat radiating part 22 is opposite to the LED module 10 side on the bottom wall 21 a of the main body part 21 (see FIG. 15 is arranged on the upper side. In addition, in the lighting fixture 30 of this embodiment, although the fixture main body 20 is comprised with the metal, you may comprise not only this but with materials other than a metal, for example.

  A cutout portion 23 for leading the pair of electric wires 12 and 12 in the LED module 10 to the outside of the instrument main body 20 is formed on the inner peripheral portion of the bottom wall 21 a of the main body portion 21.

  In addition, holding pieces 25 for holding the LED module 10 are provided on the bottom wall 21a of the main body 21 at a plurality of locations (two locations in the present embodiment) spaced apart in the outer peripheral direction of the bottom wall 21a. In the lighting fixture 30 of the present embodiment, the fixture body 20 holds the LED module 10 by holding the holder 13 by passing each holding piece 25 of the main body portion 21 through each notch portion 13r of the holder 13 of the LED module 10. It becomes possible to hold. In FIG. 15, one of the two holding pieces 25 is visible.

  In addition, fixing screw insertion holes 26 through which the fixing screws for fixing the LED module 10 to the instrument main body 20 are inserted in the bottom wall 21a of the main body portion 21 at a plurality of positions (separated in the outer peripheral direction of the bottom wall 21a ( In this embodiment, it is provided in two places. Here, each fixing screw insertion hole 26 is provided at each of the positions corresponding to each fixing screw hole 16 of each rotation preventing portion 2d in the LED module 10 in a state where the LED module 10 is held by the instrument body 20. Yes. Thereby, in the lighting fixture 30 of this embodiment, it becomes possible to fix the LED module 10 to the fixture main body 20. FIG. In FIG. 15, one of the two fixing screw insertion holes 26 can be seen.

  On the side wall 21b of the main body 21, a first attachment screw (not shown) for attaching the above-described lighting fixture 30 to, for example, a holder 41 (see FIG. 16) held by the wiring duct 40 (see FIG. 16). Screw holes 28 to be screwed together are provided at a plurality of locations (in this embodiment, two locations) spaced apart in the outer peripheral direction of the bottom wall 21a. In FIG. 15, one screw hole 28 of the two screw holes 28 is visible.

  The heat dissipating part 22 is a plate-like (in this embodiment, disc-like) contact part 22a that can come into contact with the heat dissipating sheet 14 in the LED module 10, and the opposite side of the contact part 22a from the LED module 10 side (FIG. 15). Then, it can be comprised with the several plate-shaped heat radiation fin 22b erected on the upper side. In addition, in the lighting fixture 30 of this embodiment, the 2nd attachment screw (not shown) for attaching the thermal radiation part 22 to the main-body part 21 is used as a means to attach the thermal radiation part 22 to the main-body part 21, for example. However, the means for attaching the heat radiation part 22 to the main body part 21 is not limited to this.

  At the outer peripheral end of the contact portion 22a, in a state where the heat radiating portion 22 is attached to the main body portion 21, a pair of electric wires 12 in the LED module 10 are disposed at positions corresponding to the notches 23 of the bottom wall 21a of the main body portion 21. A notch 24 is provided for leading 12 out of the instrument body 20. In the lighting fixture 30 of this embodiment, the notch part 23 and the notch part 24 lead out a pair of electric wires 12 and 12 in the LED module 10 from the LED module 10 side of the bottom part 21a and the contact part 22a to the said opposite side. A lead-out hole 27 is formed for this purpose.

  Hereinafter, the usage example of the lighting fixture 30 of this embodiment is demonstrated based on FIG.

  The lighting fixture 30 of this embodiment is used as a spotlight attached to the wiring duct 40 installed on a ceiling surface, for example. The lighting fixture 30 is electrically connected to a holder 41 for holding the fixture body 20 in the wiring duct 40 and a conductive plate (not shown) provided in the wiring duct 40 and supplies power to the LED module 10. And a power supply unit 42. In addition, in the lighting fixture 30 of the structure shown in FIG. 16, the pair of electric wires 12 and 12 in the LED module 10 is configured by a single power cable 31 led out from the lighting fixture 30. Moreover, in the lighting fixture 30 of this embodiment, although the spotlight attached to the wiring duct 40 is illustrated as an example of use, it is not restricted to this, For example, as shown in FIG. It may be a spotlight or the like.

  Since the lighting fixture 30 of the present embodiment described above includes the above-described LED module 10 and the fixture body 20 that holds the LED module 10, the light irradiation range can be changed to a desired range at low cost. It becomes.

(Embodiment 2)
Hereinafter, the LED module 10 of this embodiment is demonstrated based on FIG.

  The basic configuration of the LED module 10 of the present embodiment is the same as that of the first embodiment, and protrusions 19 that can be elastically contacted with the convex portions 2f of the frame body 2 are formed on the inner peripheral walls of the slit portions 4f of the rotor 4. The point provided integrally is different from the first embodiment. In addition, the same code | symbol is attached | subjected to the component similar to Embodiment 1, and description is abbreviate | omitted suitably. Moreover, the code | symbol P attached | subjected in FIG. 18 has shown the location which one part fractured | ruptured.

  In the LED module 10 of the present embodiment, a plurality of projections 19 are formed on each slit portion 4f of the rotor 4 (four in this embodiment). Here, in the LED module 10 of the present embodiment, the projections 19 are provided in a one-to-multiple manner with respect to the convex portion 2f of the frame body 2, but may be provided in a one-to-one manner.

  Therefore, in the LED module 10 of the present embodiment, the protrusion 19 that can be elastically contacted with the convex portion 2f is integrally provided on the inner peripheral wall of the slit portion 4f, so that when a person rotates the rotor 4 Since each projection 19 of each slit portion 4f elastically contacts each convex portion 2f of the frame body 2, it is possible to give a click feeling to a person. In addition, you may use the LED module 10 of this embodiment for the lighting fixture 20 demonstrated in Embodiment 1. FIG.

(Embodiment 3)
The basic configuration of the LED module 10 of this embodiment is the same as that of the first embodiment, and the frame 2, the lens unit 3, and a part of the rotator 4 are different from those of the first embodiment. In addition, the same code | symbol is attached | subjected to the component similar to Embodiment 1, and description is abbreviate | omitted suitably.

  As shown in FIG. 21, each lens portion 3b of the lens unit 3 is formed with a convex curved surface on the light incident surface side. A concave portion 52 is formed at the central portion of each lens portion 3b on the light incident surface side, and the inner surface of each concave portion 52 constitutes a light incident surface on which light from each LED 9 is incident. In the present embodiment, each first inclined portion 5 is formed so as to protrude toward the light incident surface side of the lens portion 3b.

  On each outer peripheral surface of each outer peripheral wall 4e of the rotator 4, as shown in FIG. 22, a convex portion 50 for the frame body 2 to hold the rotator 4 protrudes outward. ing. Here, as shown in FIG. 20, the first side wall 2 b of the frame body 2 has a plurality of slit portions 51 that guide the rotation of the rotator 4 in the outer peripheral direction of the rotator 4. It is provided at locations (in this embodiment, two locations). Each slit portion 51 is formed along the outer peripheral direction of the first side wall 2 b of the frame body 2. In addition, each slit portion 51 is formed with an introduction portion 51 a for introducing each convex portion 50 so as to communicate with each slit portion 51. Each introduction portion 51a is arranged and opened on each slit portion 51 on the side opposite to the rotor body 4 side (the upper side in FIG. 19).

  Hereinafter, with respect to the LED module 10 of the present embodiment, the movement of the lens unit 3 along the central axis of the rotor 4 with respect to the rotation of the rotor 4 will be described with reference to FIG.

  In the LED module 10 of the present embodiment, as shown in FIG. 23A, each convex portion 50 of the rotor 4 is on the opposite side of each slit portion 51 of the frame body 2 from each introduction portion 51a side (FIG. 23). Then, when arranged at the end on the right side, each sliding contact portion 7 of the rotor 4 is arranged at the end on one end side (the right end side in FIG. 21) of each inclined piece 5a of the lens unit 3. Therefore, the distance between the light source unit 1 and the lens unit 3 is the longest, and the irradiation range of the light emitted from each LED 9 of the light source unit 1 is the narrowest. Here, in the LED module 10 of this embodiment, when a person rotates the rotator 4 in the direction of the arrow shown in FIG. 23B, each sliding contact portion 7 of the rotator 4 is a lens. Since the inclined surface 5c of each inclined piece 5a of the unit 3 is slidably contacted and gradually moves so that the lens unit 3 approaches the light source unit 1, the distance between the light source unit 1 and the lens unit 3 is gradually shortened. Thus, the irradiation range of the light emitted from each LED 9 of the light source unit 1 gradually increases.

  And in the LED module 10 of this embodiment, as shown in FIG.23 (b), each convex part 50 of the rotor 4 is each introduction part 51a side of each slit part 51 of the frame 2 (in FIG.23, When arranged at the end on the left side, each sliding contact portion 7 of the rotor 4 is arranged at the end on the other end side (left end side in FIG. 21) of each inclined piece 5a of the lens unit 3. Therefore, the distance between the light source unit 1 and the lens unit 3 is the shortest, and the irradiation range of the light emitted from each LED 9 of the light source unit 1 is the widest.

  Further, at the peripheral end of the base body 3a of the lens unit 3, a restricting portion 53 for restricting the rotation range of the rotator 4 in order to prevent the rotator 4 from being detached from the frame 2 (see FIG. 21). Is provided integrally with the base 3a. In short, in the LED module 10 of the present embodiment, the base 3 a of the lens unit 3 has a restricting portion 53 that restricts the rotation range of the rotor 4 in order to prevent the rotor 4 from being detached from the frame body 2. It is provided integrally. In the LED module 10 of the present embodiment, a plurality (two in the present embodiment) of the restricting portions 53 are provided at the peripheral end portion of the base body 3a.

  Further, each outer peripheral wall 4e of the rotor 4 is provided with a locking portion 54 (see FIG. 19 and FIG. 22) that can be removably locked to the regulating portion 53. 4e is provided integrally. In short, in the LED module 10 according to the present embodiment, the rotor 4 is integrally provided with a locking portion 54 that can be detachably locked to the restriction portion 53. Thereby, in the LED module 10 of this embodiment, it becomes possible to regulate the rotation range of the rotor 4, and for example, the rotor 4 can be detached from the frame 2 without using a fixing tool such as a screw. It is possible to prevent separation. In the LED module 10 of the present embodiment, one suppressing portion 54 is provided on each outer peripheral wall 4e of the rotor 4.

  Even in the LED module 10 of the present embodiment described above, the light source unit 1 having the LED 9, the frame body 2 that holds the light source unit 1, the lens unit 3 that can control the light distribution of the light emitted from the LED 9, and the frame A cylindrical rotator 4 disposed inside the body 2 and rotatably held by the frame 2, and the rotator 4 rotates in the outer peripheral direction of the rotator 4 to rotate the lens unit 3. The lens unit 3 includes a disk-shaped base 3a and a light distribution of light emitted from the LED 9 formed on the base 3a. And a lens portion 3b. Further, in the LED module 10 of the present embodiment, the conversion mechanism 8 includes the first inclined portion 5 having the inclined piece 5a that is inclined so as to be separated from one surface of the base 3a along one direction of the outer periphery of the base 3a, and the inclined A second inclined portion 6 having an inclined surface 6a in which one surface 5d of the piece 5a can be slidably contacted in the outer peripheral direction of the base 3a, and a slidable contact portion in which the other surface 5c of the inclined piece 5a is slidable in the outer peripheral direction of the base 3a. 7 and a rotation preventing portion 2d that prevents the lens unit 3 from rotating in the outer circumferential direction of the base 3a, and a plurality of first inclined portions 5 are integrally provided at the peripheral end of the base 3a. 2 Each of the inclined portion 6 and the sliding contact portion 7 is provided in a plurality integrally with the rotor 4, and a plurality of rotation preventing portions 2d are provided on the inner surface of the frame body 2 so as to rotate on the base 3a. In order to prevent the moving element 4 from being detached from the frame body 2, a restricting portion 53 that restricts the rotation range of the rotating element 4. The illuminating device of the conventional example having the configuration shown in FIGS. 24 and 25 is provided integrally, and a locking portion 54 that can be detachably locked to the regulating portion 53 is integrally provided on the rotor 4. Compared to the above, the light irradiation range can be changed to a desired range at low cost.

DESCRIPTION OF SYMBOLS 1 Light source part 2 Frame 2d Anti-rotation part 2f Convex part 2g Engagement hole 3 Lens unit 3a Base | substrate 3b Lens part 4 Rotator 4f Slit part 4g Introduction part 5 1st inclination part 5a Inclination piece 5b Supporting piece (regulation part) )
5c Other surface 5d One surface 6 2nd inclined part 6a Inclined surface 7 Sliding contact part (locking part)
8 Conversion mechanism 9 LED
DESCRIPTION OF SYMBOLS 10 LED module 11 Wiring board 13 Holder 13d Holding claw 13k Engaging claw 18 Holding part 19 Protrusion 20 Appliance main body 30 Lighting fixture 53 Control part 54 Locking part

Claims (7)

  A light source unit having an LED, a frame body that holds the light source unit, a lens unit that can control light distribution of light emitted from the LED, and a frame unit that is disposed inside the frame body and is rotatable with respect to the frame body And a conversion mechanism that allows the lens unit to move along the central axis of the rotator by rotating the rotator in the outer circumferential direction of the rotator. The lens unit includes a disk-shaped base and a lens unit that is formed on the base and controls the light distribution of the light emitted from the LED, and the conversion mechanism includes an outer periphery of the base A first inclined portion having an inclined piece inclined so as to be separated from one surface of the base along one direction of the direction, and a second inclined surface on which one surface of the inclined piece is slidable in the outer peripheral direction of the base. The inclined portion and the other surface of the inclined piece are in sliding contact with the outer peripheral direction of the base. A slidable contact portion and a rotation preventing portion that prevents the lens unit from rotating in the outer peripheral direction of the base, and a plurality of the first inclined portions are integrally provided at the peripheral end of the base. Each of the second inclined portion and the sliding contact portion is integrally provided on the rotor, and a plurality of the rotation prevention portions are provided on the inner surface of the frame body, Further, in order to prevent the rotator from being detached from the frame body, a restricting portion for restricting a turning range of the rotator is integrally provided, and the rotator can be freely engaged with and disengaged from the restricting portion. The LED module is characterized in that a locking portion that can be locked to is integrally provided.   On the inner side surface of the frame body, a projecting portion protruding inward is provided, and the rotor is guided so that the rotor can rotate in the outer circumferential direction of the rotor. The LED module according to claim 1, wherein a slit portion is formed, and an introduction portion for introducing the convex portion into the slit portion is formed so as to communicate with the slit portion. The light source unit has a holder capable of holding a wiring board on which the LED is mounted, and a holding claw for holding a peripheral end of the wiring board is protruded from the holder, and the holder, the frame, while the engagement claw is projected, LED module of the other, the 請 Motomeko 2, wherein said engaging pawl characterized in that the engaging hole to be engaged is formed of.   The holder is integrally provided with a holding portion for holding the rotor between the convex portion of the frame body in a state where the holder is engaged with the frame body. The LED module according to claim 3.   The holding portion is disposed at a position corresponding to the convex portion in a state where the holder is engaged with the frame body, and the peripheral portion of the slit portion is disposed on the frame when the rotor rotates. The LED module according to claim 4, wherein the LED module is formed so as to be held between the convex portions of the body, and the convex portions are formed in an oval shape when viewed from the front.   6. The LED module according to claim 2, wherein a protrusion that can be elastically contacted with the convex portion is integrally provided on an inner peripheral wall of the slit portion. 7. A lighting fixture comprising: the LED module according to any one of claims 1 to 6; and a fixture main body that holds the LED module.

Images