JP2015088393A - Light source unit and lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve introduction cost reduction as compared with a case of providing a functional component in a device main body.SOLUTION: A light source unit 2 includes: an LED module 22; and an attachment member 21 supporting the LED module 22 and detachably attached to a device main body 1 of a lighting device A. The light source unit 2 also includes a cover 23 formed into a box shape, formed out of a material at least part of which exhibits light transmission, and attached to the attachment member 21 so as to cover the LED module 22. Furthermore, the light source unit 2 includes: a power supply unit 24 attached to the attachment member 21 and feeding the LED module 22; and a functional component (pull-switch PS) acting on the power supply unit 24 for realizing a function related to the LED module 22. The lighting device A to which a desired function is added is attained by replacing a light source unit with the light source unit 2 in which the desired functional component is mounted. It is, therefore, possible to reduce introduction cost as compared with a case of providing the functional component in the device main body 1.

Description

  The present invention relates to a light source unit using a solid light-emitting element as a light source, and a lighting fixture including the light source unit.

  As a conventional example, a lighting apparatus described in Patent Document 1 is illustrated. This conventional example has a light source unit that uses a plurality of light emitting elements as a light source, a lighting device that lights the light source unit, a housing recess that houses the lighting device, and supports the light source unit so as to close the opening of the housing recess. And a main body. The main body is directly attached to the ceiling on the surface opposite to the opening of the housing recess.

  In addition, the conventional example described in Patent Document 1 is configured such that when a wall switch is operated, power supply to the lighting device is turned on and off to switch on / off the light source unit.

JP 2012-3993 A

  By the way, in the lighting fixture using an incandescent lamp and a fluorescent lamp, there exist some which mounted the brightness sensor and the human sensor on the fixture main body. For example, a luminaire equipped with a brightness sensor turns on the light source when the brightness (illuminance) of the illumination space detected by the brightness center is less than the threshold value, and turns on the light source unit when the brightness is greater than or equal to the threshold value. The lighting device controls the output so that it is turned off. Also, a lighting fixture equipped with a human sensor is turned on when the human sensor detects the presence of a person within the detection range, and is turned off when a predetermined time has passed since the presence of a person was not detected within the detection range. To work.

  Here, when the lighting fixture is provided with the function of blinking the light source unit according to the brightness of the illumination space as described above or the function of blinking the light source unit according to the presence or absence of a person, the relationship between the installation space and the like is usually Therefore, functional components such as a brightness sensor and a human sensor are provided in the instrument body.

  However, when the functional component is provided in the fixture main body, a fixture main body provided with functional components having different functions is required, and there is a problem in that the introduction cost is high when replacing the existing lighting fixture. .

  This invention is made | formed in view of the said subject, and aims at aiming at reduction of introduction cost compared with the case where a functional component is provided in an instrument main body.

  The light source unit of the present invention includes a light source having one or more solid light-emitting elements, an attachment member that supports the light source and is detachably attached to a fixture body of a lighting fixture, and a material that is at least partially transparent. And a cover attached to the attachment member so as to cover the light source, a power supply device attached to the attachment member for supplying power to the light source, and acting on the power supply device to relate to the light source And a functional component for realizing the function.

  In this light source unit, it is preferable that the functional component is disposed in a space surrounded by the cover and the mounting member in a state where at least a part is exposed outside the cover from a hole provided in the cover. .

  In the light source unit, the cover includes one or more first cover bodies formed of a light-transmitting material, and a second cover body formed of a non-light-transmitting material and provided with the hole. It is preferable that the first cover body and the second cover body are attached to the attachment member such that the ends of the first cover body and the second cover body face each other.

  In this light source unit, the protruding piece protruding from the end portion of the first cover body is fitted into the end portion of the second cover body, and the protruding piece protrudes from the end portion of the second cover body. It is preferable that the projecting piece includes any one of a fitting structure fitted inside the end portion of the first cover body.

  The lighting fixture of the present invention includes any one of the light source units, and a fixture main body on which the light source unit is detachably mounted to support the light source unit.

  Since the light source unit and the lighting fixture of the present invention become a lighting fixture to which a desired function is added by replacing the light source unit with a desired functional component, the introduction cost compared with the case where the functional component is provided in the fixture main body. There is an effect that it is possible to achieve reduction of

It is a disassembled perspective view which shows Embodiment 1 of the light source unit and lighting fixture which concern on this invention. It is sectional drawing of a lighting fixture same as the above. It is the perspective view which a part of light source unit same as the above was abbreviate | omitted. It is a perspective view of a lighting fixture same as the above. It is the perspective view which a part of the instrument main body in the same as above was omitted. It is a disassembled perspective view which shows Embodiment 2 of the light source unit and lighting fixture which concern on this invention. It is the disassembled perspective view which a part of light source unit same as the above was abbreviate | omitted. It is a one part perspective view containing the human body detection unit in a light source unit same as the above. It is a disassembled perspective view which shows another embodiment of the light source unit and lighting fixture which concern on this invention.

(Embodiment 1)
Hereinafter, Embodiment 1 of the light source unit 2 and the lighting fixture A according to the present invention will be described in detail with reference to the drawings. In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the direction shown in FIG. 2, and the direction perpendicular to the paper surface in FIG. 2 is defined as the front-rear direction (the front side is the front side).

  The lighting fixture A of this embodiment is comprised by the light source unit 2 and the fixture main body 1 as shown in FIG.1 and FIG.2. The appliance main body 1 is fixed to the suspension bolt 200 and directly attached to the lower surface (ceiling surface) of the ceiling material 100. The light source unit 2 is detachably attached to the instrument body 1.

  The instrument main body 1 is formed into a flat box shape that is long and has an upper surface (a surface facing the ceiling material 100) opened by bending the sheet metal. Further, the appliance main body 1 is provided with a rectangular recess 11 for accommodating the light source unit 2 on the opposite side (lower side) to the ceiling material 100 over the entire length in the longitudinal direction (front-rear direction) (FIG. 1). reference). Further, on both sides of the concave portion 11 in the left-right direction (width direction) of the instrument body 1, there are provided inclined portions 12 extending from the opening edge of the concave portion 11 and inclined upward toward the outside (FIG. 2). reference).

  Further, the bottom plate 111 of the recess 11 is provided with a hole 111A for passing an electric wire at substantially the center in the front-rear direction (longitudinal direction). Further, the bottom plate 111 is provided with holes 111B for passing the suspension bolts 200 at positions near both ends in the front-rear direction. A terminal block 25 is attached to the lower surface of the bottom plate 111.

As shown in FIGS. 1 and 2, the light source unit 2 includes a plurality of (for example, two) LED modules 22, an attachment member 21 to which the LED modules 22 are attached, and an attachment member 21 so as to cover the LED modules 22. A cover 23, a power supply device 24, and a functional component .

  The LED module 22 includes a printed wiring board 221 formed in a rectangular plate shape that is long in the front-rear direction. A plurality of LEDs (light emitting diodes) 222 are mounted on the lower surface of the printed wiring board 221 along the front-rear direction (longitudinal direction). Further, a connector (not shown) for electrically connecting the power supply device 24 is mounted on the front end portion of one LED module 22. An electric wire (not shown) is connected to the connector, and the LED module 22 and the power supply device 24 are electrically connected by connecting the end of the electric wire to the power supply device 24.

  Each LED module 22 is mounted with a power supply connector 224 at the end facing the adjacent LED module 22 (see FIG. 2). The lighting power is relayed from one LED module 22 to the other LED module 22 by connecting the connectors 224 of both LED modules 22 to each other.

  The mounting member 21 is formed in a U shape by bending a sheet metal, and is formed into a long and rectangular plate, and a vertical direction (bottom plate) from both ends in the left-right direction (width direction) of the bottom plate 211 211 and a pair of side plates 212 extending in a direction orthogonal to (2). As shown in FIG. 2, inclined portions 212A that incline in directions away from each other (outward) are provided at the front ends (upper ends) of the side plates 212, respectively.

  At the front end portion of the bottom plate 211, a hole (not shown) is provided for passing the electric wire for electrically connecting the LED module 22 and the power supply device 24. In addition, a rectangular recess (not shown) formed by projecting a part of the bottom plate 211 upward is provided at the center of the bottom plate 211 in the front-rear direction. This recess is for securing an insulation distance between the connector 224 and the bottom plate 211 of the mounting member 21 in a state where both the LED modules 22 are mounted on the mounting member 21. The LED module 22 described above is fixed to the mounting member 21 by, for example, a claw (not shown) formed by cutting a part of the bottom plate 211 of the mounting member 21.

  Further, the attachment member 21 has a pair of hooks 214 extending to one end in the width direction at positions near both ends in the longitudinal direction, and a pair of hook springs 215 disposed on the other end in the width direction. .

The cover 23 is formed in a long box shape whose upper surface (surface on the mounting member 21 side) is opened by a diffusive material (for example, milky white acrylic resin). In addition, the cover 23 has a curved surface portion 231 having a convex lens shape such that a protruding amount increases downward from the both ends to the center in the left-right direction (width direction) (see FIG. 2).

  As shown in FIG. 2, extended portions 232 that overlap the opening edge of the recess 11 of the instrument body 1 in the vertical direction with the light source unit 2 attached to the instrument body 1 as shown in FIG. Are provided. Furthermore, projecting wall portions 233 projecting upward (on the mounting member 21 side) are provided on the inner sides of the respective extending portions 232 in the left-right direction of the cover 23, and are provided over the entire length. Each has a protrusion 233A protruding inward. Further, support pieces 233B projecting inwardly project from the base of each projecting wall portion 233.

  The power supply device 24 includes a power supply board (not shown) and a storage case 242 for storing the power supply board. The power board is composed of a printed wiring board formed in a rectangular plate shape that is long in the front-rear direction, and this printed wiring board has at least circuit components (for example, a transformer, a diode, a capacitor, etc.) required to generate the lighting power of the LED 222. ) 241 is implemented.

  The storage case 242 is formed in a rectangular box shape in which one surface (a surface facing the bottom plate 211 of the mounting member 21) is open and is long in the front-rear direction. The storage case 242 is attached to the side plate 212 of the attachment member 21 using, for example, screws, such that the opening side faces the bottom plate 211 of the attachment member 21.

  The functional component in this embodiment is a drawstring type switch (so-called pull switch PS). The pull switch PS is well known in the art and includes a switch body 400, a pair of electric wires 401, a pull string 402, a support fitting 403, and the like as shown in FIG. 1, and each time the pull string 402 is pulled, a contact (not shown) Configured to open and close. The switch main body 400 includes a contact and a switching mechanism that switches the contact alternately between an open state and a closed state each time the pull string 402 is pulled. The pair of electric wires 401 are connected to the contacts and pulled out from the switch body 400. The pull string 402 is connected to the switching mechanism and pulled out from the switch body 400. The support metal fitting 403 is formed by bending a thin metal rod in the shape of an arrow, and is fixed to the switch body 400 so as to protrude from the side surface of the switch body 400. The support metal fitting 403 has a tip end portion of an arrow bent in an annular shape, and a pull string 402 is inserted into the annular portion. The pull switch PS configured in this way is connected to the power supply line 250 that connects the terminal block 25 and the power supply device 24, and the power supply device 24 is turned on and off by pulling the pull string 402, The LED module 22 can be switched between a lighting state and a light-off state.

  Next, the assembly procedure of the light source unit 2 will be described. First, the operator attaches the power supply device 24 to the upper surface side of the bottom plate 211 of the attachment member 21, and further fixes the LED module 22 to the bottom plate 211 of the attachment member 21 with the above-described locking claws. Thereafter, the operator passes an electric wire led out from the connector 223 of the LED module 22 through a hole provided in the bottom plate 211 of the mounting member 21, and connects an end thereof to the power supply device 24. Furthermore, the operator fixes the pull switch PS, which is a functional component, to the mounting member 21 (for example, screw fixing) so that the tip end portion of the support metal fitting 403 and the pull string 402 protrude outside the cover 23 (see FIG. 3).

  Finally, the operator attaches the cover 23 to the mounting member 21 with the opening side facing upward. At this time, the protrusions 233A provided on the respective protruding wall portions 233 of the cover 23 are hooked on the inclined portions 212A provided on the respective side plates 212 of the attachment member 21, and the cover 23 is attached to the attachment member 21. The light source unit 2 is assembled according to the above procedure.

  Then, the construction procedure of the lighting fixture A is demonstrated. First, the operator passes the power line 3 (see FIG. 1) wired in advance on the back of the ceiling through the hole 111A of the instrument body 1, and further passes the suspension bolt 200 exposed indoors through the hole 111B. The nut body 300 is screwed into the suspension bolt 200 to fix the instrument body 1. Thereafter, the operator connects the end of the power supply line 3 to the terminal block 25, and further connects the female connector 251 of the terminal block 25 and the male connector 243 of the power supply device 24.

  Finally, the operator hooks the tips of the hooks 214 into the pair of insertion holes 112A provided on one side plate 112 of the instrument body 1, and then attaches the pair of hook springs 215 to the other side plate of the instrument body 1. Hook on a hook 1120 provided on 112. Then, when the operator rotates the light source unit 2 with the hook metal 214 as a fulcrum, the hook spring 215 is returned to the original state while being hooked on the hook portion 1120, so that the light source is driven by the spring force of the hook spring 215. The unit 2 is held by the instrument body 1. The lighting fixture A is constructed on the ceiling according to the above procedure (see FIG. 4).

  At this time, as shown in FIGS. 4 and 5, the pull string PS of the pull switch PS passes through the hole 116 provided in the wall adjacent to one end in the longitudinal direction of the light source unit 2 in the recess 11 of the instrument body 1. It hangs from 1.

  As described above, the light source unit 2 of the present embodiment is detachably attached to the fixture body 1 of the lighting fixture A, supporting the light source (LED module 22) having one or more solid light emitting elements (LEDs 222). The mounting member 21 is provided. In addition, the light source unit 2 of the present embodiment includes a cover 23 that is at least partially formed into a box shape with a light-transmitting material and is attached to the attachment member 21 so as to cover the light source. Further, the light source unit 2 of the present embodiment includes a power supply device 24 that is attached to the attachment member 21 and supplies power to the light source, and a functional component (pull switch PS) that acts on the power supply device 24 to realize functions related to the light source. With.

  Since the light source unit 2 of this embodiment becomes the lighting fixture A to which the desired function was added by replacing with the light source unit 2 which mounted the desired functional component, compared with the case where a functional component is provided in the instrument main body 1. The introduction cost can be reduced.

(Embodiment 2)
Embodiment 2 of the light source unit 2 and the lighting fixture A according to the present invention will be described in detail with reference to the drawings. However, since the basic configuration of the light source unit 2 and the configuration of the instrument main body 1 of this embodiment are the same as those of the first embodiment, the same reference numerals are given to the same components as those of the first embodiment, and the illustration and description are appropriately performed. Omitted.

  The light source unit 2 of the present embodiment is characterized in that it includes a human body detection unit 26 as a functional component. As shown in FIG. 7, the human body detection unit 26 includes a pyroelectric infrared sensor 260, a signal processing circuit (not shown) for processing the output of the infrared sensor 260 and outputting a human body detection signal, a variable resistor 261, etc. Is mounted on a printed wiring board 262.

  The infrared sensor 260 is well known in the art, and is configured to detect the movement (presence) of a person in a detection region by detecting infrared rays emitted from a human body with a pyroelectric element. The signal processing circuit outputs a human body detection signal when the infrared sensor 260 detects the presence of a person. However, the sensor is not limited to the passive infrared sensor 260 using a pyroelectric element, and may be an sensor using an image sensor or an active sensor using radio waves or ultrasonic waves.

  The signal processing circuit continues to output the human body detection signal until a predetermined operation holding time elapses after the infrared sensor 260 no longer detects the presence of a person. The signal processing circuit also stops the output of the human body detection signal if the infrared sensor 260 does not detect the presence of a person before the operation holding time elapses, and the infrared sensor 260 is turned on again before the operation holding time elapses. When the presence of a person is detected, the human body detection signal is continuously output. The variable resistor 261 is provided for adjusting the operation holding time. That is, the signal processing circuit is configured to adjust the operation holding time corresponding to the resistance value of the variable resistor 261. Although not shown, a power supply line for supplying power to the human body detection unit 26 and an output line for outputting a human body detection signal from the signal processing circuit are drawn out from the printed wiring board 262.

  Further, the human body detection unit 26 is held by the holding member 27 as shown in FIGS. The holding member 27 is made of a rectangular box-shaped synthetic resin molded body having an opening on one side, and is configured to house and hold the human body detection unit 26 therein. On the outer peripheral surface of the holding member 27, a step portion 270 is formed over the entire periphery. Furthermore, the first wall hole 2710 through which the lens 2600 of the infrared sensor 260 is inserted and the second window hole 2711 through which the operation knob 2610 of the variable resistor 261 is inserted penetrate the bottom wall 271 of the holding member 27. ing.

  The holding member 27 is formed in a semi-cylindrical surface shape in which a side wall 272 facing the short side direction (left and right direction) among the side walls from the step portion 270 to the bottom wall 271 is convex inward. In addition, a pair of first hook portions 273 and a pair of second hook portions 274 protrude from both ends in the front-rear direction on the left and right side surfaces in the vicinity of the opening end of the holding member 27. The first hook portion 273 is formed in a bowl shape (S-shape) when viewed from the front-rear direction. The second hooking portion 274 is formed in an L shape when viewed from the up and down direction.

  The holding member 27 is attached to the attachment member 21 via the base 28. In the pedestal 28, a rectangular plate-shaped main portion 280 and a pair of rectangular tube-shaped protrusions 281 protruding upward from the left and right sides of the main portion 280 are integrally formed as a synthetic resin molded body. In addition, rectangular insertion grooves 282 are provided at both left and right ends on the rear end side of the main portion 280, respectively. Further, on the left and right sides of the front end side of the main portion 280, hook-shaped protrusions 283 are provided so as to protrude downward.

  As shown in FIG. 7, the pedestal 28 is attached to the attachment member 21 by fitting a pair of protrusions 281 into a pair of through holes 2110 provided in the bottom plate 211 of the attachment member 21. The plurality of LEDs 222 mounted near the end of the LED module 22 are hidden by a pedestal 28 attached to the attachment member 21.

  The holding member 27 is slid in parallel with the main portion 280, thereby inserting the pair of first hook portions 273 into the pair of insertion grooves 282, and the pair of second hook portions 274 into the pair of projecting pieces 283. Each is hooked and attached to the base 28 (see FIG. 8).

  Here, as shown in FIGS. 6 and 7, in the light source unit 2 of the present embodiment, the first cover body 23 </ b> A and the second cover body 29 constitute a cover 23. The first cover body 23A has a structure that is the same as that of the cover 23 in the first embodiment except that the length in the longitudinal direction is slightly shorter than that of the cover 23 in the first embodiment and one end side in the longitudinal direction is open. doing.

  The second cover body 29 includes a curved surface portion 290 having the same curved surface shape as the curved surface portion 231 of the first cover body 23A (cover 23), an end portion 291 that closes one end side of the curved surface portion 290, and the other end side of the curved surface portion 290. A projecting piece 292 and the like projecting from the periphery are integrally formed as a synthetic resin molded body. In addition, a pair of protruding walls 293 protruding upward are formed integrally with the curved surface portion 290 on the back surface (upper surface) of the curved surface portion 290. Further, on the other end side of the curved surface portion 290, ribs 294 having an L shape in plan view project in parallel with the projecting pieces 292 in the vicinity of both ends of the projecting pieces 292. A slit 295 is formed between the protruding piece 292 and each rib 294 (see FIG. 8). In addition, a rectangular hole 2900 is opened at the center of the curved surface portion 290. Further, a wall 2901 is provided around the hole 2900 on the back surface side of the curved surface portion 290 (see FIG. 7). The second cover body 29 is formed of a synthetic resin material that does not have translucency.

  Next, a procedure for attaching the human body detection unit 26 will be described. First, the worker stores and holds the human body detection unit 26 inside the holding member 27. At this time, the operator draws the power supply line and the output line drawn out from the human body detection unit 26 out of the holding member 27 through the insertion groove 276 provided near the opening end of the holding member 27.

  Subsequently, the operator places the tip end portion of the holding member 27 (the portion from the step portion 270 to the bottom wall 271; the same applies hereinafter) into the hole 2900 of the curved portion 290 of the second cover body 29. The step portion 270 of the holding member 27 is abutted against the wall 2901 of the curved surface portion 290 through the back surface (upper side). As a result, the distal end portion of the holding member 27 protrudes out of the second cover body 29 through the hole 2900. At this time, the holding member 27 is configured such that the side wall 272 of the holding member 27 and the curved surface portion 290 of the second cover body 29 are flush with each other. Therefore, the joint between the holding member 27 and the second cover body 29 becomes inconspicuous, and the appearance can be improved.

  Next, after attaching the pedestal 28 to the attachment member 21, the operator pulls the power supply line and the output line drawn from the insertion groove 276 to the upper surface side of the attachment member 21 through the inside of one protrusion 281. Connect to power supply 24. Finally, the operator slides the second cover body 29 along the longitudinal direction of the attachment member 21, passes the pair of first hooks 273 through the pair of insertion grooves 282, and the pair of second The hooks 274 are hooked on the pair of projecting pieces 283 and attached to the base 28. At this time, the protruding piece 292 of the second cover body 29 is fitted inside the end portion of the first cover body 23A (end portion of the curved surface portion 231), whereby the curved surface portion 290 of the second cover body 29 and the first The curved surface portion 231 of the cover body 23A is flush. In addition, the projecting wall portions 233 of the first cover body 23A are fitted into the pair of slits 295 of the second cover body 29, whereby the second cover body 29 is fixed to the first cover body 23A (FIG. 6). reference).

  In addition, since the procedure which attaches the light source unit 2 to the instrument main body 1 is common in Embodiment 1, it abbreviate | omits.

  Thus, in the lighting fixture A of the present embodiment, for example, while the human body detection signal is output from the human body detection unit 26, the power supply 24 supplies the rated power to the LED module 22 and causes the LED 222 to be rated. On the other hand, when the human body detection signal is not input from the human body detection unit 26 and the standby time elapses, the power supply device 24 stops the power supply to the LED module 22 or reduces the output power to turn off the LED 222 or dimm it. That is, by using the light source unit 2 of the present embodiment, it is possible to achieve energy saving by blinking (or switching between rated lighting and dimming lighting) according to the presence or absence of a person.

  By the way, when the functional component (human body detection unit 26) is arranged on the upper surface side of the mounting member 21, it is difficult to expose the lens 2600 of the infrared sensor 260 outside the light source unit 2 while avoiding the influence of the light of the LED 222. is there.

  On the other hand, in the light source unit 2 of the present embodiment, the functional component (human body detection unit 26) has at least a part exposed outside the cover 23 from the hole 2900 provided in the cover 23 (second cover body 29). In the state, it is arranged in a space surrounded by the cover 23 and the mounting member 21. Therefore, it becomes easy to expose the lens 2600 of the infrared sensor 260 to the outside of the light source unit 2 while avoiding the influence of the light of the LED 222.

  Further, when a part of the functional component (for example, the lens 2600 of the infrared sensor 260) is exposed outside the cover 23, a structure in which a hole is formed in the curved surface portion 231 of the cover 23 in the first embodiment is conceivable. However, when making a hole in the cover 23, it is necessary to shield the periphery of the hole so that the shadow of the functional component is not noticeable.

  On the other hand, in the light source unit 2 of the present embodiment, the cover 23 is formed of one or more first cover bodies 23A formed of a material having translucency, and a material having no translucency, and And a second cover body 29 provided with a hole 2900. The first cover body 23A and the second cover body 29 are attached to the attachment member 21 so that the ends of the first cover body 23A and the second cover body 29 abut each other. That is, since the cover 23 is composed of a plurality of parts including a first cover body 23A and a second cover body 29, and the second cover body 29 is formed of a material having no translucency, a light source (LED module 22) Since the second light is blocked by the second cover body 29, there is an advantage that the shadow of the functional component is not noticeable.

  Further, when the cover 23 is composed of a plurality of parts, the end portions of the two cover bodies 23A and 29 can be easily formed by simply abutting the end portion of the first cover body 23A and the end portion of the second cover body 29. There is a possibility that the joints are easily noticeable.

  On the other hand, the light source unit 2 of the present embodiment has a fitting structure in which the protruding piece 292 protruding from the end portion of the second cover body 29 is fitted inside the end portion of the first cover body 23A. For this reason, there is an advantage that the ends of the two cover bodies 23A and 29 are not easily displaced, and as a result, the joint between the ends is less noticeable. Instead of providing the protruding piece 292 at the end of the second cover body 29, a protruding piece is provided at the end of the first cover body 23A, and the protruding piece is fitted inside the end of the second cover body 29. The light source unit 2 may have a structure.

  Further, as shown in FIG. 9, the cover 23 is composed of two first cover bodies 23A and 23B and one second cover body 29, and the second cover body 29, that is, a functional component ( A human body detection unit 26) may be arranged. However, since the power supply device 24 is disposed near the center of the mounting member 21, in order to suppress the influence of the heat generated by the power supply device 24, the functional component (human body detection unit 26) is provided as in this embodiment. It is preferable to arrange at the end in the longitudinal direction.

  Instead of the human body detection unit 26, a brightness detection unit may be mounted on the light source unit 2 as a functional component. The brightness detection unit is configured by mounting a brightness sensor on a printed wiring board 262 instead of the infrared sensor 260. The brightness sensor detects (measures) the brightness (illuminance) of the illumination space using a photoelectric conversion element such as a solar cell. The signal processing circuit is configured to compare the measurement value of the brightness sensor with a predetermined threshold value and output a brightness detection signal when the measurement value falls below the threshold value. The power supply device 24, for example, supplies power to the LED module 22 when the brightness detection signal is output to turn on the LED 222, and stops supplying power to the LED module 22 when the brightness detection signal is not output. The LED 222 is turned off or dimmed by decreasing the output power.

A lighting fixture 1 fixture body 2 light source unit
21 Mounting member
22 LED module (light source)
23 Cover
24 Power supply
PS pull switch (functional parts)
222 Light emitting diode (solid state light emitting device)

Claims (5)

  A light source having one or more solid-state light emitting elements, an attachment member that supports the light source and is detachably attached to a fixture body of a lighting fixture, and at least a part thereof is formed in a box shape with a light-transmitting material; And a cover attached to the attachment member so as to cover the light source, a power supply device attached to the attachment member to supply power to the light source, and a function for realizing the function related to the light source by acting on the power supply device A light source unit comprising a component.   2. The functional component is disposed in a space surrounded by the cover and the mounting member in a state where at least a part is exposed to the outside of the cover from a hole provided in the cover. The light source unit described.   The cover has one or more first cover bodies formed of a light-transmitting material, and a second cover body formed of a non-translucent material and provided with the holes. 3. The light source unit according to claim 2, wherein the first cover body and the second cover body are attached to the attachment member so that the ends of the first cover body and the second cover body face each other.   A projecting piece projecting from the end portion of the first cover body is fitted into the end portion of the second cover body, and a projecting piece projecting from the end portion of the second cover body, The light source unit according to claim 3, further comprising any one of a fitting structure fitted inside the end portion of the first cover body.   An illumination fixture comprising: the light source unit according to any one of claims 1 to 4; and a fixture main body on which the light source unit is detachably mounted to support the light source unit.

Images