JP2012104287A - Hanging lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To change length dimension of a lighting fixture through an inexpensive and simple structural change, and thereby provide an inexpensive and simple structure as a whole lighting fixture.SOLUTION: The hanging lighting fixture 1 includes an illumination cover 11 structured by extrusion molding, having an opening at either end and with an LED substrate 12 as a light source incorporated, and an end cover 15 for blocking each opening of the illumination cover 11. The end cover 15 includes a magnet piece 16 capable of being fixed to a structure and a mounting hole 17.

Description

  The present invention relates to a hanging type illuminating device used to ensure the illuminance of a work surface in an office space such as an office or home.

  Conventionally, as a luminaire used to secure the illuminance of the work surface in a work space such as an office or a home, the illuminating lamp is housed in the cover member so that the appearance can be satisfactorily accommodated. In general, the illumination function is realized by irradiating illumination light through a window provided below. In addition, as one of such lighting fixtures, under-shelf lighting that is used by being attached to the lower surface (bottom surface) of the structure by an attaching means is often used.

In such under-shelf lighting, the lighting device is housed in a resin-made lighting cover in which an irradiation opening for guiding light downward is formed, and the under-shelf lighting is provided via a mounting portion formed integrally with the lighting cover. A configuration in which illumination is attached to a structure is common.
According to these structures, the under-shelf illumination and the attachment portion to the structure can be configured easily and inexpensively. However, since the illumination cover and the mounting portion are integrally formed, even when a demand for changing the length dimension of the under-shelf illumination arises, it is not possible to flexibly meet these demands. There were drawbacks.

On the other hand, the illumination cover is an extruded cover body formed with an irradiation opening for guiding light downward, and a pair of caps attached to the cover body and closing the left and right openings of the cover body. For example, Patent Documents 1 and 2 disclose a method in which a cover is attached to a cover body and the attachment portion to the structure is retrofitted.
According to these structures, since only the length of the cover main body can be changed, the length of the under-shelf lighting can be changed, so that it is possible to flexibly cope with an inexpensive and simple structural change. It was.

JP 2007-026723 A JP 2007-207636 A

  However, in the luminaires shown in Patent Documents 1 and 2, since a method of retrofitting the attachment portion to the structure to the cover body is adopted, complicated processing is required, and the cost for the cover body increases. Had the problem of doing.

  The present invention has been made in view of the above-described problems, and can change the length dimension of a lighting fixture by an inexpensive and simple structural change, whereby an inexpensive and simple structure as a whole lighting fixture can be obtained. It aims at providing the hanging type lighting fixture which becomes.

  In order to achieve the above object, in the hanging type lighting apparatus according to the present invention, the hanging type used by being attached to the lower surface of the structure or the like in order to ensure the illuminance of the work surface in the office or home office space. A lighting fixture, which is constituted by extrusion molding, includes a cover body having an opening at both ends and a lighting device that forms a light source, and an end cover that closes the opening of the cover body. An attachment means that can be fixed to the structure is provided.

In the present invention, the whole hanging type lighting fixture can be attached to the lower surface of the structure or the like by the attaching means provided on the end cover. In other words, since the end cover can be used in common for all cover bodies having different length dimensions, changing the length dimension of only the cover body changes the overall length dimension of the hanging type lighting fixture. be able to.
In addition, the cover body is not configured to be fixed to the structure, but the attachment means is processed only on the end cover, and the cover body itself is formed by an extrusion member formed by extrusion, so the cover corresponding to the length dimension is used. The main body can be easily manufactured, the processing thereof can be reduced, and the whole hanging type lighting apparatus can be made inexpensive and simple.

  Further, in the hanging type lighting apparatus according to the present invention, the cover body is provided with an irradiation opening on the lower surface side for guiding the light generated from the lighting device downward, and is C-shaped in a side view. Alternatively, the irradiation opening is provided with a guide rail at the opening edge extending in parallel and facing each other, and the end cover is guided along the guide rail and at a predetermined position. It is preferable that a locking portion to be locked at is provided.

  In the present invention, the end cover can be easily attached to the openings at both ends of the cover body by engaging and locking the end cover with the guide rail provided in the irradiation opening of the cover body. Can do. At this time, since the end cover is guided along the guide rail, the end cover can be easily positioned and the workability of the assembly of the hanging type lighting apparatus should be good. Can do.

  In the hanging type lighting apparatus according to the present invention, it is preferable that a magnet piece is provided on the upper surface of the end cover, and the end cover is provided so as to be magnetically attached to the structure by the magnet piece.

  In this case, by magnetizing the magnet pieces of the end cover to the structure, the entire hanging type lighting fixture can be easily attached to and detached from the structure, and the length of the cover body is changed. In addition, the work can be simplified.

  Moreover, in the hanging type lighting fixture which concerns on this invention, it is preferable that the arrangement | positioning part of a magnet piece is higher than the other part on the upper surface of an end cover.

  In this case, only the magnet piece is magnetically attached to the structure, and the other end cover part and the cover body part of the arrangement part of the magnet piece are attached to the structure with a gap without contact. . Therefore, when removing a suspended luminaire magnetized by a magnet piece from the structure, the magnet piece is separated from the structure by tilting the entire luminaire with the magnet piece as a fulcrum. On the other hand, it can be easily removed without dragging.

  Moreover, in the hanging type lighting fixture which concerns on this invention, it is preferable that the end cover is provided with the attachment hole penetrated to an up-down direction.

  In this case, when the structure is a wooden member, the end cover can be attached to the structure with a screw inserted into the attachment hole.

  In the hanging type lighting apparatus according to the present invention, the end cover may be provided with an attachment hole penetrating in the vertical direction, and a ring-shaped magnet piece may be provided concentrically with the attachment hole.

  In this case, the attachment method of the hanging type lighting fixture with respect to a structure can be employ | adopted by selecting screwing and magnetic attachment according to the structure and material of a structure. At this time, since the attachment hole and the magnet piece are provided at the same location of the end cover, the attachment processing portion in the end cover can be formed in a compact manner, and the appearance can be satisfactorily accommodated.

  According to the hanging type lighting fixture of the present invention, the length dimension of the lighting fixture can be changed by an inexpensive and simple structural change, and thereby the effect that the lighting fixture as a whole becomes an inexpensive and simple structure. Play.

It is a perspective view which shows an example of the attachment state of the hanging type lighting fixture by embodiment of this invention. It is a perspective view of the hanging type lighting fixture shown in FIG. It is a disassembled perspective view of a hanging type lighting fixture. It is a top view of a hanging type lighting fixture. It is a side view of a hanging type lighting fixture. It is a bottom view of a hanging type lighting fixture. It is the sectional view on the AA line shown in FIG. FIG. 6 is a sectional view taken along line B-B shown in FIG. 5. FIG. 5 is a side view of the end cover, taken along line CC in FIG. 4. It is a top view of an end cover. It is a bottom view of an end cover. It is the figure which looked at the switch unit from the lower part. It is a side view of a switch unit.

  Hereinafter, a hanging type lighting apparatus according to an embodiment of the present invention will be described with reference to the drawings.

  A hanging type lighting apparatus 1 according to the present embodiment shown in FIG. 1 is used to secure the illuminance of a work surface in a work space such as an office or a home, and has a structure 2 such as a shelf underneath. It is used by being attached to the lower surface 2a.

  As shown in FIGS. 2 and 3, the hanging type luminaire 1 incorporates an LED board 12 (illuminating device) that constitutes a light source, and guides light emitted from the LED board 12 downward. The illumination component 10 is formed with an irradiation opening 11a, and the switch unit 20 includes a non-contact infrared sensor 21 that can switch the power supply of the LED substrate 12 on and off.

First, the illumination structure part 10 provided with the light source by LED is demonstrated.
As shown in FIGS. 3 to 6, the illumination component 10 is constructed by extrusion molding and includes an illumination cover 11 (cover body) that forms an irradiation opening 11 a and an interior of the illumination cover 11. The LED board 12, the reflecting plate 13 disposed on the lower surface side of the LED board 12, the translucent plate 14 having a translucency for closing the irradiation opening 11a, and the openings at both ends in the length direction of the illumination cover 11 are provided. An end cover 15 that is closed is schematically provided.

  As shown in FIGS. 7 and 8, the illumination cover 11 is a long member extending in one direction, and includes an upper plate portion 11A and side wall portions 11B and 11B extending downward from both sides in the width direction. In the (cross section orthogonal to the longitudinal direction), it has a substantially U-shape opening downward. Engaging grooves 11b (guide rails) are formed in the irradiation opening 11a of the illumination cover 11 along parallel opening edges arranged to face each other. An engagement protrusion 23c of the switch unit 20, which will be described later, an engagement protrusion 14a of the translucent plate 14, and a locking protrusion 15a of the end cover 15 can be engaged with the engagement groove 11b.

The side wall portion 11B of the illumination cover 11 is provided with a protruding curled portion 11c that protrudes from the portion above the irradiation opening portion 11a to the inner space side and is curved upward. The overhang curl portion 11c is provided over the entire length of the illumination cover 11, and female screw portions (not shown) are formed on the inner surface of the overhang curl portion 11c at both ends in the longitudinal direction. The female thread portion is for screwing a screw 15e (see FIG. 3) for fixing the end cover 15.
Further, the side wall 11B is provided with a groove 11d for radiating heat generated from the light source.

  As shown in FIGS. 3 and 4, at both ends in the longitudinal direction of the illumination cover 11, concave portions 11 e having a U-shape on the upper surface side and a U-shape on the lower surface side are formed in plan view. A convex portion 15f of an end cover 15 to be described later is fitted into the concave portion 11e.

  As shown in FIG. 7, the LED board 12 is disposed on the lower surface of the upper plate portion 11A of the lighting cover 11 and connected to the power source via the switch unit 20, and a plurality of LEDs are arranged on the lower surface of the board with appropriate intervals. Has been placed.

  The reflecting plate 13 is provided with an opening at a position corresponding to the LED of the LED substrate 12 and has a shape in which the center in the width direction is raised, and both ends in the width direction are locked to the upper end of the overhanging curled portion 11 c of the lighting cover 11. Therefore, the LED substrate 12 is supported from below by pressing the LED substrate 12 against the illumination cover 11.

  The translucent plate 14 shown in FIGS. 3, 6, and 7 is formed with engaging convex portions 14 a that are slidably engaged along the engaging grooves 11 b on both sides in the width direction. That is, the translucent plate 14 is configured to be inserted and attached from the opening at the end in the longitudinal direction of the illumination cover 11 while engaging the engaging convex portion 14a with the engaging groove 11b. The translucent plate 14 closes the opening of the irradiation opening 11a excluding the portion where the switch unit 20 is attached.

  As shown in FIGS. 9 to 11, the end cover 15 is formed with a convex portion 15f that protrudes from one end surface and fits into the concave portion 11e (see FIG. 3) of the lighting cover 11 described above. Locking convex portions 15a (second engaging portions) for locking in the engaging grooves 11b of the illumination cover 11 are provided on both side surfaces of the convex portion 15f, and correspond to the female thread portions of the above-described overhanging curled portion 11c. A screw insertion hole 15b is formed at the position. The convex portion 15f has a U-shape on the upper surface side in plan view and a U-shape on the lower surface side corresponding to the concave portion 11e.

  Further, a concave portion 15c is provided on the other end surface side of the end cover 15, and a closing member 15d such as a name plate is fitted and attached to the concave portion 15c. That is, the end cover 15 has the protruding convex portion 15a locked in the engaging groove 11b of the illumination cover 11, and the screw 15e is inserted into the insertion hole 15b from the recessed portion 15c side while the overhanging curled portion The opening of the end portion in the longitudinal direction of the illumination cover 11 is closed by being screwed into the female screw portion 11c.

A ring-shaped magnet piece 16 (attachment means) is provided on the upper surface of the convex portion 15f of the end cover 15, and the hanging type lighting fixture 1 to which the end cover 15 is attached by the magnet piece 16 is shown in FIG. It is provided so as to be magnetically attached to the lower surface 2a of the structure 2. And on the upper surface of the end cover 15, the base part 15g in which the arrangement part of the magnet piece 16 is higher than the other part is formed.
Further, the end cover 15 is provided with a mounting hole 17 penetrating in the vertical direction, and a ring-shaped magnet piece 16 is provided concentrically with the mounting hole 17.

  Next, as shown in FIGS. 3 and 7, the switch unit 20 accommodates the control board 22 including the infrared sensor 21 and the control board 22 inside, and transmits and receives infrared rays from the infrared sensor 21. And a switch cover 23 having an opening 23a.

  The infrared sensor 21 switches on / off the power supply of the LED board 12 in accordance with the amount of reflection reflected when the infrared ray irradiated downward hits another object. In addition, this reflective range (detection range) can be set to about 10 cm, for example. For example, when the hand is held in the detection range of the infrared sensor 21, the sensor switch is turned on / off, whereby the power of the LED board 12 can be turned on and off.

As shown in FIGS. 12 and 13, the switch cover 23 is provided with the opening 23 a at a substantially central portion and a through hole 23 b for the power cable 5 (see FIG. 3) at the other end portion. Furthermore, engaging convex portions 23c that are slidably engaged along the engaging grooves 11b of the illumination cover 11 are formed on both sides in the width direction. And the sensor cover 23d (FIG. 7) which can permeate | transmit infrared rays is engage | inserted by the opening part 23a of the switch cover 23. FIG.
That is, the switch cover 23 is inserted and slid from the opening at the end in the longitudinal direction of the illumination cover 11 while the engagement convex portion 23c is engaged with the engagement groove 11b in a state where the control board 22 is accommodated. The cover 11 can be attached to any position. The switch cover 23 is fixed at a predetermined position by restricting movement in the sliding direction by disposing the above-described translucent plate 14 or end cover 15 on both sides in the longitudinal direction.

Next, the effect | action of the hanging type lighting fixture 1 mentioned above is demonstrated in detail based on drawing.
As shown in FIGS. 3, 4 to 6, the entire hanging type lighting fixture 1 can be attached to the lower surface 2 a of the structure 2 shown in FIG. 1 by the magnet pieces 16 provided on the end cover 15. That is, since the end cover 15 can be used in common for all the lighting covers 11 having different length dimensions, the entire length of the hanging type lighting apparatus 1 can be changed by changing the length dimension of only the lighting cover 11. The dimensions can be changed.

  And it is not the structure which fixes the illumination cover 11 with respect to the structure 2, It is the structure by which the magnet piece 16 and the attachment hole 17 are processed only to the end cover 15, and the illumination cover 11 itself consists of the extrusion member by extrusion molding. Therefore, it is possible to easily manufacture the lighting cover 11 corresponding to the length dimension, to reduce the processing thereof, and to make the hanging type lighting apparatus 1 as a whole inexpensive and simple.

  Further, the engaging projections 15 a of the end cover 15 are fitted into the engaging grooves 11 b provided in the irradiation opening 11 a of the lighting cover 11 and locked, so that the ends of the lighting cover 11 are opened at both ends. The cover 15 can be easily attached. At this time, the end cover 15 has its locking projection 15a guided along the locking groove 11b, so that the end cover 15 can be easily positioned, and the workability of assembling the hanging type lighting apparatus 1 can be improved. It can be good.

  Further, by magnetizing the magnet pieces 16 of the end cover 15 to the structure 2, the entire hanging luminaire 1 can be easily attached to and detached from the structure 2, and fixing means is attached to the illumination cover 11 itself. Since it is not necessary to perform this process, even when the length dimension of the illumination cover 11 is changed, the operation can be simplified.

  Further, in the present embodiment, since the magnet piece 16 is disposed on the base portion 15g of the end cover 15, only the magnet piece 16 is magnetically attached to the structure 2, and the other end of the portion where the magnet piece 16 is disposed. The portion of the cover 15 and the portion of the illumination cover 11 (the upper surface of the upper plate portion 11A) are attached to the structure 2 with no gap therebetween. Therefore, when removing the suspended lighting fixture 1 magnetically attached by the magnet piece 16 from the structure 2, the magnet piece 16 is separated from the structure 2 by tilting the whole lighting fixture with the magnet piece 16 as a fulcrum, The lighting fixture can be easily removed without being dragged with respect to the structure 2.

When the structure 2 is a wooden member, the end cover 15 can be attached to the structure 2 with screws inserted through the attachment holes 17.
Moreover, in the present embodiment, since the ring-shaped magnet piece 16 is provided concentrically with the mounting hole 17 in the end cover 15, the mounting method of the hanging type lighting fixture 1 to the structure 2 is Screwing and magnetic bonding can be selected and adopted according to the structure and material of the body 2. At this time, since the attachment hole 17 and the magnet piece 16 are provided at the same location of the end cover 15, the attachment processing portion in the end cover 15 can be formed in a compact manner, and the appearance can be satisfactorily accommodated. .

  As described above, in the hanging type lighting fixture according to the present embodiment, the length dimension of the lighting fixture can be changed by an inexpensive and simple structural change. The effect which becomes.

As mentioned above, although embodiment of the hanging type lighting fixture by this invention was described, this invention is not limited to said embodiment, It can change suitably in the range which does not deviate from the meaning.
For example, in the present embodiment, an engagement groove 11b is provided in the irradiation opening 11a of the illumination cover 11, and the switch unit 20 is engaged with the engagement protrusion 23c and the translucent plate 14 so as to correspond to the engagement groove 11b. The engaging convex portion 14a and the end cover 15 are provided with the locking convex portion 15a. However, the present invention is not limited to such a configuration. The guide rail on the irradiation opening 11a side is a convex portion, and the switch unit 20 The translucent plate 14 and the end cover 15 may be recessed.

Moreover, in this Embodiment, although both the magnet piece 16 and the attachment hole 17 are provided in the location of the base part 15g of the end cover 15, you may be either one. And although the ring-shaped magnet piece 16 is arrange | positioned in the position which becomes a concentric circle in the attachment hole 17, it is not restrict | limited to such a form and each is provided in the position distant from planar view. May be.
Moreover, the structure which the upper surface of the magnet piece 16 and the upper surface of the end cover 15 may be located on the same plane without providing the base part 15g in the location of the magnet piece 16 may be sufficient. Furthermore, the attachment means for the structure 2 is not limited to the magnet piece 16 and the attachment hole 17 of the present embodiment, and other attachment means can of course be employed.

  In the present embodiment, the end cover 15 forms a convex portion 15f that fits into the concave portion 11e of the lighting cover 11, and the magnet piece 16 is disposed in the range of the convex portion 15f. When the space for arranging the pieces 16 can be secured, the end cover 15 can be formed in a shape not provided with the convex portion 15f.

  In addition, although one switch unit 20 and one light transmission plate 14 are attached to one lighting cover 11, the present invention is not limited to this. A plurality of translucent plates 14, 14,..., Or a plurality of switch units 20, 20,. In addition, it is possible to flexibly respond to various requests for changes in the number of attachments at low cost.

  Further, in the present embodiment, the LED substrate 12 is supported by the reflector 13 from below. However, the present invention is not limited to this structure. For example, the LED substrate 12 is attached to the lower surface of the upper plate portion 11A of the lighting cover 11 by bonding. Also good. Or you may be the structure which fixed the LED board 12 to the translucent board 14 side previously. In this case, since the LED substrate 12 can be disposed simultaneously with the translucent plate 14 being attached, the positioning operation of the translucent plate 14 and the LED substrate 12 can be eliminated.

Furthermore, although the infrared sensor 11 is employed as the proximity sensor in the present embodiment, the present invention is not limited to this, and a sensor using electromagnetic waves with other frequencies may be applied.
In the present embodiment, the illuminance is changed stepwise in accordance with the detection time of the infrared sensor 12 in the detection range of the infrared sensor 12, but such an illuminance changing function may not be used. .

Furthermore, the configuration of each part of the illumination constituent unit 10 and the switch unit 20 such as the shape and size can be appropriately set according to the conditions.
In addition, it is possible to appropriately replace the components in the above-described embodiments with known components without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Hanging type lighting fixture 10 Lighting structure part 11 Lighting cover (cover main body)
11a Irradiation opening 11b Engaging groove (guide rail)
11e Concave part 12 LED substrate (lighting device)
14 translucent plate 14a engagement convex part 15 end cover 15a locking convex part 15f convex part 15g pedestal part 16 magnet piece (attachment means)
17 Mounting hole (Mounting means)
20 Switch unit 21 Infrared sensor 22 Control board 23 Switch cover 23c Engaging projection 23d Sensor cover

Claims (6)

It is a hanging type lighting fixture that is used by attaching to the underside of the structure, etc., in order to ensure the illuminance of the work surface in office spaces such as offices and homes,
A cover body that is configured by extrusion molding, has an opening at both ends and incorporates an illumination device that forms a light source,
An end cover for closing the opening of the cover body;
With
A hanging type lighting apparatus, wherein the end cover is provided with attachment means that can be fixed to the structure. The cover body is provided with an irradiation opening on the lower surface side for guiding light generated from the lighting device downward, and is formed in a C shape or a U shape in a side view,
The irradiation opening is provided with a guide rail at an opening edge extending in parallel to face each other,
The hanging type illumination device according to claim 1, wherein the end cover is provided with a locking portion that is guided along the guide rail and locked at a predetermined position. A magnet piece is provided on the upper surface of the end cover,
3. The hanging type lighting apparatus according to claim 1, wherein the end cover is provided to be magnetically attached to the structure by the magnet piece.   The hanging type lighting apparatus according to claim 3, wherein an upper surface of the end cover has a portion where the magnet piece is disposed higher than other portions.   The hanging illumination device according to any one of claims 1 to 4, wherein the end cover is provided with a mounting hole penetrating in the vertical direction.   The end cover is provided with an attachment hole penetrating in the vertical direction, and the ring-shaped magnet piece is provided concentrically with the attachment hole. Hanging lighting fixture.

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