JP2022025119A - Functional component and lighting device including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a functional component which can be easily attached to a lighting fitting, and to provide a lighting device including the functional component.

SOLUTION: A functional component 2 includes: a fixing member 5 attached to an outer peripheral wall 16c; and a case member 3 which is formed in a box shape so as to store a component for achieving functions therein and fixed to the fixing member 5. The case member 3 is disposed at a position spaced apart from a plane of a cover member 18 to the light source side, protrudes outward farther than an outer periphery of the cover member 18, and is fixed to the fixing member 5 in the protruding state when the fixing member 5 is attached to the outer peripheral wall 16c.

SELECTED DRAWING: Figure 2

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present disclosure relates to a functional component attached to a luminaire and a lighting device provided with the functional component.

Conventionally, for example, a lighting fixture as disclosed in Patent Document 1 is known. This luminaire has a configuration in which a light source unit is fixed inside a support frame having an upper opening and a lower opening. The strut frame is configured by combining a main strut member arranged from the upper opening to the lower opening and a guard member connecting the main strut members.

Japanese Unexamined Patent Publication No. 2017-413326

In a lighting fixture as disclosed in Patent Document 1, functional parts such as a motion sensor, an illuminance sensor, an emergency light unit, or a wireless unit may be attached later as needed. As a means for attaching the functional component to the luminaire, for example, it is conceivable to join the luminaire and the functional component with a fastening member such as a screw. However, if an insertion hole for passing the fastening member is formed in the strut frame of the lighting fixture or the like, the strength of the strut frame may decrease. In addition, it takes time and effort to make a hole for forming an insertion hole in the support column frame of the luminaire, which imposes a heavy burden on the operator.

The present disclosure has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a functional component and a lighting device provided with the functional component, which can be easily attached to a lighting fixture.

The functional component according to the present disclosure includes a light source, a cover member provided so as to cover the light source and having a plane facing the light source, and an outer peripheral wall provided outside the outer periphery of the cover member. A case that is a functional component attached to a light source and is formed in a box shape so as to house a fixing member attached to the outer peripheral wall and a component for realizing the function inside, and is fixed to the fixing member. The case member is provided with a member, and when the fixing member is attached to the outer peripheral wall, the case member is arranged at a position away from the plane of the cover member toward the light source side, and the cover member. It is fixed to the fixing member by projecting outward from the outer periphery.

According to the present disclosure, since it has the above configuration, functional parts can be easily attached to a luminaire.

It is a perspective view which showed the lighting apparatus provided with the functional component which concerns on Embodiment 1. FIG. It is a front view which showed the lighting apparatus provided with the functional component which concerns on Embodiment 1. FIG. FIG. 5 is an enlarged perspective view showing a state in which the functional parts are removed from the lighting fixture in the lighting device provided with the functional parts according to the first embodiment. FIG. 5 is an exploded perspective view of a lighting fixture to which a functional component according to the first embodiment is attached. It is an exploded perspective view of the functional component which concerns on Embodiment 1. FIG. FIG. 5 is a vertical sectional view of a functional component according to the first embodiment and in a state of being attached to a lighting fixture. It is a perspective view which showed the 2nd fixing member of the functional component which concerns on Embodiment 1. FIG. It is explanatory drawing which showed the procedure of attaching the functional part which concerns on Embodiment 1 to a lighting fixture. It is explanatory drawing which showed the procedure of attaching the functional part which concerns on Embodiment 1 to a lighting fixture. It is explanatory drawing which showed the procedure of attaching the functional part which concerns on Embodiment 1 to a lighting fixture. It is a perspective view which showed the state which attached the functional component which concerns on Embodiment 1 to a lighting fixture. It is an exploded perspective view of the functional component which concerns on Embodiment 2. FIG.

Hereinafter, embodiments of the functional parts according to the present disclosure and the lighting device including the functional parts will be described with reference to the drawings. In each figure, the same or corresponding parts are designated by the same reference numerals, and the description thereof will be omitted or simplified as appropriate. In addition, the shape, size, arrangement, etc. of the configurations shown in each figure can be appropriately changed within the scope of the present disclosure.

Embodiment 1.
The functional component 2 according to the first embodiment is attached to the luminaire 1 via a support mechanism 14 provided in the luminaire 1 to form a luminaire 100. First, the configuration of the lighting fixture 1 will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view showing a lighting device provided with functional components according to the first embodiment. FIG. 2 is a front view showing a lighting device including the functional parts according to the first embodiment. FIG. 3 is an enlarged external perspective view showing a lighting device including the functional parts according to the first embodiment, in which the functional parts are removed from the lighting equipment. FIG. 4 is an exploded perspective view of a lighting fixture to which the functional component according to the first embodiment is attached. As shown in FIGS. 1 to 4, the luminaire 1 includes an arm 10, a power supply unit 11, a top plate 12, a support column frame 13, a light source unit 15, and a cover member 18.

The arm 10 attaches the lighting fixture 1 to the ceiling or a beam. The arm 10 has a substantially U-shape, and both ends thereof are rotatably attached to the center of both side surfaces of the support frame 13.

The power supply unit 11 has a configuration in which a power supply circuit for supplying electric power to the light source unit 15 is provided inside a hexahedral box-shaped metal housing.

The top plate 12 mounts the power supply unit 11 in the center of the upper surface and fixes the power supply unit 11. The top plate 12 is fixed to the upper surface of the support column frame 13 and covers the upper surface of the light source unit 15. The top plate 12 is made of a metal plate.

The support frame 13 houses the light source unit 15. The strut frame 13 has a configuration in which a main strut member 13a, an intermediate strut member 13b, and a guard member 13c are combined so as to have a substantially rectangular parallelepiped shape to form a fence-shaped outer surface. In the support frame 13, the upper opening is covered with the top plate 12, and the lower opening is covered with the cover member 18. The main strut member 13a, the intermediate strut member 13b, and the guard member 13c are each made of a metal plate.

The main strut member 13a has a structure formed by bending a metal plate at a substantially right angle to form an L shape, and is arranged at the four corners of the strut frame 13.

The intermediate strut member 13b is provided in parallel with the main strut member 13a between the main strut members 13a adjacent to each other at the long side portion of the strut frame 13. The intermediate strut member 13b is provided with a support mechanism 14 for mounting the functional component 2. The support mechanism 14 is provided with a pair of convex portions 14a protruding from the left and right side edges of the intermediate strut member 13b toward the main strut member 13a side, and above the convex portions 14a, for inserting the first fixing member 4. It is composed of a recess 14b.

The guard member 13c connects adjacent main support members 13a. The guard member 13c is screwed to the main strut member 13a and the intermediate strut member 13b. As shown in FIG. 1, the guard member 13c on the long side portion of the support column frame 13 may be removed when the functional component 2 is attached.

The light source unit 15 is arranged and fixed inside the support column frame 13, and receives power from the power supply unit 11 to emit light. The light source unit 15 has a heat sink 16 and an LED substrate 17 arranged on the lower surface of the heat sink 16. The heat sink 16 has a rectangular heat-dissipating plate 16a and a plurality of heat-dissipating fins 16b erected from the heat-dissipating plate 16a. The heat radiating plate 16a is configured to have substantially the same planar shape as the support column frame 13, and is provided with an outer peripheral wall 16c that rises upward on the outer peripheral edge of the upper surface. The LED substrate 17 has a configuration in which six LEDs 17a are arranged as an example. The LED 17a is arranged directly below the heat radiation fin 16b.

The cover member 18 is fixed to the support column frame 13 by screw joining or the like, and covers the bottom surface of the light source unit 15. The cover member 18 is made of, for example, a synthetic resin.

Next, the configuration of the functional component 2 according to the first embodiment will be described with reference to FIGS. 1 to 4 with reference to FIGS. 5 to 7. FIG. 5 is an exploded perspective view of the functional component according to the first embodiment. FIG. 6 is a vertical cross-sectional view of the functional component according to the first embodiment, in a state of being attached to a lighting fixture. FIG. 7 is a perspective view showing a second fixing member of the functional component according to the first embodiment. The functional component 2 shown in FIG. 5 is a motion sensor as an example. The motion sensor is a sensor for detecting the presence / absence and location of a human being. As shown in FIGS. 1 to 3, the functional component 2 composed of the motion sensor is attached to the case member 3 forming the outer shell, the first fixing member 4 provided on the case member 3, and the lighting fixture 1. (Ii) A fixing member 5 is provided.

As shown in FIG. 5, the case member 3 is composed of a case top portion 30 having an opening on the lower surface and a case bottom portion 31 covering the opening of the case top portion 30. The case member 3 is formed in a box shape by combining the case top portion 30 and the case bottom portion 31. The case member 3 is combined by hooking the claw portion provided on the case top portion 30 to the locking hole provided on the case bottom portion 31 as an example. The sensor board 32 and the sensor member 33 are housed inside the case member 3.

The case top portion 30 has a contact surface portion 30a that comes into contact with the intermediate strut member 13b, and a curved surface portion 30b that curves from the upper end edge of the contact surface portion 30a toward the lower surface. The curved surface 30b forms the back surface side of the case member 3, and has a shape for omitting unnecessary portions and reducing the size. However, the case top portion 30 may have a substantially rectangular shape, or the curved surface 30b may be an inclined surface.

The case top portion 30 is formed with an electric wire hole 30c on the upper surface for passing the electric wire 19 (harness). One end of the electric wire 19 is connected to the sensor board 32 arranged inside the case member 3, and the other end is connected to the power supply unit 11 of the lighting fixture 1. As shown in FIG. 6, one end of the electric wire 19 is tensioned and fixed by an insulator 19b inside the case top portion 30. On the other hand, as shown in FIG. 3, the other end of the electric wire 19 is tension-tightened by the clip 19c and fixed to the upper surface of the metal housing constituting the power supply unit 11. As shown in FIGS. 1 to 3, the portion where the electric wire 19 and the power supply unit 11 are connected is covered and protected by the connector cover 19a. The connector cover 19a is firmly fixed to the upper surface of the power supply unit 11 with a joining member such as a screw member. The electric wire 19 has a length that does not interfere with the movable range of the arm 10.

As shown in FIG. 6, the case top portion 30 is provided with four ribs 30d extending in the vertical direction on the inner surface. The rib 30d is provided not only for the purpose of reinforcing the case member 3, but also for abutting on the upper surface side of the sensor substrate 32 and fixing the sensor substrate 32.

The case bottom portion 31 is formed in a concave shape having an opening on the upper surface. On the bottom surface of the case bottom portion 31, four openings 31a for exposing the light receiving portion 35 of the sensor member 33 housed therein are formed. Further, at the four corners inside the recess of the case bottom portion 31, three substrate support portions 31b are provided which are inserted into the through holes 32a formed in the sensor substrate 32 to fix the lower surface side of the sensor substrate 32. There is.

The sensor substrate 32 is arranged inside the case member 3 so that the plate surface faces the bottom surface of the case member 3. The sensor board 32 is mounted so that the connector 36 for connecting the electric wire 19 and the sensor member 33 are located on the bottom surface of the case member 3, and the sensor acquires and processes the signal from the sensor member 33. It has a circuit. The sensor substrate 32 is fixed by a rib 30d of the case top portion 30 and a substrate support portion 31b of the case bottom portion 31.

The sensor member 33 is composed of a sensor spacer 34 attached to the sensor substrate 32 and four light receiving portions 35 commonly supported by the sensor spacer 34. One of the light receiving portions 35 supported by the sensor spacer 34 is connected to the sensor substrate 32. Further, a part of the light receiving portion 35 is exposed to the outside from the opening portion 31a provided in the case bottom portion 31.

The first fixing member 4 is attached by sliding it on the support mechanism 14. The first fixing member 4 is a pair of engaging portions 40 provided at intervals on the contact surface portions 30a of the case member 3 attached to the lighting fixture 1, and a joint portion provided at the lower end of the engaging portion 40. It is composed of 41 and.

The engaging portion 40 protrudes toward the support mechanism 14, has a shape in which the protruding end portion is bent inward, and is formed vertically along the height direction of the contact surface portion 30a of the case top portion 30. ing. The engaging portion 40 is assembled by sliding the convex portions 14a of the support mechanism 14 so as to sandwich them from both sides.

The joining portion 41 is provided for joining the first fixing member 4 slidably assembled to the support mechanism 14 to the second fixing member 5. The joint portion 41 is formed in an L shape by a flat surface portion having a through hole 41a and a vertical surface portion bent downward from one end edge of the flat surface portion.

As shown in FIGS. 3 and 6, the second fixing member 5 is attached to the outer peripheral wall 16c of the heat radiating plate 16a when the case member 3 is attached to the lighting fixture 1. As shown in FIG. 7, the second fixing member 5 includes a vertical surface portion 50 to which the contact surface portion 30a of the case member 3 abuts, and a horizontal surface portion 51 bent from the upper end edge of the vertical surface portion 50 toward the luminaire 1 side. , It has two hook portions 52 provided at both ends of the horizontal surface portion 51 and fastened to the heat radiating plate 16a. Further, the second fixing member 5 has a holding portion 53 that protrudes from the lower end edge of the vertical surface portion 50 toward the case member 3 side, abuts on the bottom surface of the case member 3, and holds the case member 3 at a target position. is doing. It is desirable that the second fixing member 5 is provided with the holding portion 53, but the holding portion 53 may not be provided.

As shown in FIG. 6, the vertical surface portion 50 is arranged below the intermediate strut member 13b, and the contact surface portion 30a of the case member 3 is brought into contact with the intermediate strut member 13b. As shown in FIG. 6, the horizontal surface portion 51 is in contact with a bent surface in which the lower end of the intermediate strut member 13b is bent inward.

The hook portions 52 are provided at intervals of substantially the same as the width dimension of the case member 3. This is because the case member 3 is slid and fitted between the left and right hook portions 52. The hook portion 52 is attached to the outer peripheral wall 16c of the heat radiating plate 16a so as to be located on both the left and right sides of the intermediate strut member 13b. Each hook portion 52 is formed with a through hole 52a of a fastening member 6 such as a screw for joining with the joining portion 41 of the first fixing member 4.

The holding portion 53 is provided so as to face the connector 36 mounted on the sensor board 32. As described above, the sensor substrate 32 has a sensor member 33 in which the light receiving portion 35 is exposed to the outside from the opening portion 31a provided on the bottom surface of the case bottom portion 31. Therefore, the holding portion 53 needs to be provided at a position avoiding the light receiving portion 35. Here, inside the case member 3, a space is created at a position facing the holding portion 53. The inside of the case member 3 can be effectively utilized by arranging the connector 36 in the space, which leads to the miniaturization and weight reduction of the case member 3.

Next, a procedure for attaching the functional component 2 to the lighting fixture 1 will be described with reference to FIGS. 8 to 11. 8 to 10 are explanatory views showing a procedure for attaching the functional component according to the first embodiment to the lighting fixture. FIG. 11 is a perspective view showing a state in which the functional component according to the first embodiment is attached to the lighting fixture.

First, as shown in FIG. 8, the functional component 2 attaches the second fixing member 5 to the heat sink 16a of the lighting fixture 1. The second fixing member 5 is attached by hooking the two hook portions 52 to the outer peripheral wall 16c of the heat radiating plate 16a. As shown in FIG. 9, the work of hooking the hook portion 52 to the outer peripheral wall 16c of the heat radiating plate 16a is to tilt the second fixing member 5 diagonally, insert the hook portion 52 into the inside of the heat radiating plate 16a, and then tilt the hook portion 52. This is done by returning the second fixing member 5 in the state of being in the original state as shown in FIG.

Next, as shown in FIG. 10, the contact surface portion 30a of the case member 3 is applied to the intermediate strut member 13b, the engaging portion 40 of the first fixing member 4 is inserted into the recess 14b of the support mechanism 14, and the first fixing is performed. The member 4 is slid downward to combine the engaging portion 40 with the convex portion 14a. The first fixing member 4 is slid downward until the bottom surface of the case member 3 abuts on the holding portion 53 of the second fixing member 5.

Then, as shown in FIG. 11, the fastening member 6 is commonly inserted and fastened into the through hole 52a of the hook portion 52 and the through hole 41a of the joint portion 41 of the first fixing member 4. The fastening member 6 may be configured such that the screw member is screwed into the through holes 41a and 52a which are screw holes, or may be fastened with bolts and nuts. As described above, the functional component 2 is attached to the luminaire 1 to complete the luminaire 100.

As shown in FIG. 2, the functional component 2 is attached to the luminaire 1 so that the light receiving portion 35 exposed from the case bottom portion 31 is above the bottom surface of the cover member 18. This is to prevent the light receiving unit 35 from coming into contact with the temporarily placed place and being damaged when the lighting device 100 is temporarily placed.

As described above, in the functional component 2 according to the first embodiment, the case member 3 in which the sensor substrate 32 is housed and the first fixing member 4 provided in the case member 3 and slid to the support mechanism 14 to be assembled. , A second fixing member 5 attached to the lighting fixture 1 and joined to the first fixing member 4 slidably assembled to the support mechanism 14 to regulate the movement of the first fixing member 4 in the sliding direction. There is. Therefore, the functional component 2 is assembled by sliding the first fixing member 4 to the support mechanism 14 provided in the lighting fixture 1, and the first fixing member 4 is joined to the second fixing member 5 attached to the lighting fixture 1. Since it is configured, it can be attached to the luminaire 1 without forming an insertion hole for passing the fastening member, and the strength of the support column frame 13 can be maintained.

Further, the second fixing member 5 has a holding portion 53 that abuts on the bottom surface of the case member 3 on which the first fixing member 4 is slid and holds the case member 3 at a target position. Therefore, the functional component 2 can stably hold the case member 3 when attached to the lighting fixture 1. Further, in the functional component 2, the holding portion 53 abuts on the bottom surface of the case bottom portion 31 to prevent the case member 3 from falling, and even if the case bottom portion 31 comes off from the case top portion 30, the holding portion 53 Can be held and prevented from falling.

Further, the sensor member 33 and the connector 36 are mounted on the sensor board 32 so as to be located on the bottom surface of the case member 3 held by the holding portion 53. The sensor member 33 is provided so that a part (light receiving portion 35) is exposed from the bottom surface of the case member 3. The holding portion 53 is provided so as to face the connector 36 while avoiding the exposed sensor member 33. Therefore, since the functional component 2 has a configuration in which the connector 36 is arranged in the space created by avoiding the sensor member 33 in which the holding portion 53 is exposed, the space can be effectively utilized, and the case member 3 can be miniaturized and lightweight. Can be transformed into.

Embodiment 2.
Next, the functional parts according to the second embodiment will be described with reference to FIG. FIG. 12 is an exploded perspective view of the functional component according to the second embodiment. The same components as those of the functional components described in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted as appropriate.

The functional component 2 according to the second embodiment is characterized in that the case member 3 and the first fixing member 7 are made of separate members. The first fixing member 7 is attached to the contact surface portion 30a of the case top portion 30. The first fixing member 7 is provided at the flat plate portion 70 that comes into contact with the intermediate strut member 13b, a pair of engaging portions 71 provided along the left and right both end edges of the flat plate portion 70, and the lower end of the engaging portion 71. It is composed of the joint portion 72 formed.

The flat plate portion 70 is formed with a first recess 70a recessed toward the case member 3. In the first recess 70a, two screw holes 80 for passing the shaft portion of the screw member 8 are formed in the height direction. Further, in the first recess 70a, a through hole 81 is formed in the middle of the upper and lower screw holes 80. On the other hand, the contact surface portion 30a of the case top portion 30 is formed with a second recess 70b into which the first recess 70a is fitted. A screw hole 82 is formed in the second recess 70b at a position common to the screw hole 80. Further, in the second recess 70b, a protrusion 83 is formed at a position common to the through hole 81. The first fixing member 7 is positioned by applying the flat plate portion 70 to the contact surface portion 30a of the case top portion 30 and fitting the protrusion portion 83 into the through hole 81 so that the first recess 70a fits into the second recess 70b. After that, the screw member 8 is commonly passed through the screw holes 80 and 82 and screwed into the case top portion 30.

The engaging portion 71 protrudes toward the support mechanism 14, has a shape in which the protruding end portion is bent inward, and is formed vertically along the height direction of the flat plate portion 70. The engaging portion 71 is assembled by sliding the convex portions 14a of the support mechanism 14 so as to sandwich them from both sides.

The joint portion 72 is provided for joining the first fixing member 7 that is slid and assembled to the support mechanism 14 to the second fixing member 5. The joint portion 72 is formed in an L shape by a flat surface portion having a through hole 72a for passing a fastening member such as a screw member and a vertical surface portion bent upward from one end edge of the flat surface portion.

As described above, in the functional component according to the second embodiment, since the case member 3 and the first fixing member 7 are made of separate members, even if the support mechanism 14 has a different structure, the first fixing member is compatible. Since it can be replaced with 7 and it is not necessary to change the shape of the case member 3, it is excellent in usability. Further, for example, even if the first fixing member 7 is damaged or the like, it may be replaced with a new first fixing member 7, so that maintenance is easy and economical.

Although the functional component 2 and the lighting device 100 according to the present disclosure have been described above based on the embodiment, the functional component 2 and the lighting device 100 are not limited to the configuration of the above-described embodiment. For example, the functional component 2 shows a configuration as a motion sensor as an example, but the present invention is not limited to this. The functional component 2 may be, for example, an illuminance sensor, an emergency light unit, a wireless unit, or the like. Further, the above configuration of the support mechanism 14 is an example, and other configurations may be used as long as the first fixing member 4 can be slid and assembled. Further, although not shown in detail, the functional component 2 is provided with a mechanism for changing the height or a mechanism capable of rotating in the left-right direction between the functional component 2 and the lighting fixture 1, so that the detection range of the sensor can be increased. It may be a variable configuration. In short, I would like to add that the gist (technical scope) of this disclosure also includes the scope of various changes, applications, and uses made by those skilled in the art as necessary.

1 Lighting equipment, 2 Functional parts, 3 Case member, 4 First fixing member, 5 Second fixing member, 6 Fastening member, 7 First fixing member, 8 Screw member, 10 Arm, 11 Power supply unit, 12 Top plate, 13 Strut frame, 13a main strut member, 13b intermediate strut member, 13c guard member, 14 support mechanism, 14a convex part, 14b concave part, 15 light source unit, 16 heat sink, 16a heat dissipation plate, 16b heat dissipation fin, 16c outer wall, 17 LED board , 17a LED, 18 cover member, 19 wire, 19a connector cover, 19b insulator, 19c clip, 30 case top, 30a contact surface, 30b curved surface, 30c wire hole, 30d rib, 31 case bottom, 31a opening. , 31b board support, 32 sensor board, 32a through hole, 33 sensor member, 34 sensor spacer, 35 light receiving part, 36 connector, 40 engaging part, 41 joint part, 41a through hole, 50 vertical surface part, 51 horizontal plane part, 52 Hook part, 52a through hole, 53 holding part, 70 flat plate part, 70a first recess, 70b second recess, 71 engaging part, 72 joint part, 72a through hole, 80 screw hole, 81 through hole, 82 screw hole , 83 protrusions, 100 luminaires.

Claims (5)

A functional component attached to a luminaire including a light source, a cover member provided so as to cover the light source and having a plane facing the light source, and an outer peripheral wall provided outside the outer periphery of the cover member. And,
The fixing member attached to the outer peripheral wall and
It is provided with a case member that is formed in a box shape so as to store parts for realizing the function and is fixed to the fixing member.
When the fixing member is attached to the outer peripheral wall, the case member is arranged at a position away from the plane of the cover member toward the light source side, and protrudes outward from the outer periphery of the cover member. A functional component that is fixed to the fixing member. The functional component according to claim 1, wherein a component for realizing a function is mounted inside the case member located on the plane side of the cover member. The functional component according to claim 1 or 2, wherein the fixing member has a hook portion to be fastened to the outer peripheral wall. The luminaire further comprises a heat sink to which the light source is attached to one side surface.
The functional component according to any one of claims 1 to 3, wherein the outer peripheral wall is provided so as to rise from the outer peripheral edge of the heat radiating plate in a direction opposite to the direction in which the light source is provided. A lighting device comprising the functional component according to any one of claims 1 to 4 attached to the lighting fixture.

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