JP2008123863A - Lighting system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting system wherein a light emitting diode can be easily replaced, and it can be protected. <P>SOLUTION: A horizontally directed illumination case 4 is formed into a shape which has a downward U-shaped cross section when viewed from the side and the lower end and both right and left ends of which are opened, and an upper groove streak 9 and a lower groove streak 10 which are horizontally directed and both side ends of which are opened are provided on the facing sides of trailing pieces 4b in the front and back of the case so as to face each other by making a pair. Front and back end fringes of a substrate 6 having a plurality of light emitting diodes 5 respectively and the engagement piece of a cover covering the right and left open faces of the illumination case 4 are fitted to the facing part of the upper groove streak 9 and both side end parts, and a light transmitting plate 8 covering the open face at the lower end of the illumination case 4 is fitted to the lower groove streak 10. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lighting device using a plurality of light emitting diodes as a light source.

  As an illuminating device using this type of light emitting diode, for example, there is one described in Patent Document 1.

Japanese Patent Laid-Open No. 2001-250420 (FIGS. 1 and 2)

  In the illuminating device described in Patent Document 1, since the light emitting diode is directly embedded in the concave groove on the lower surface of the shelf board, replacement when the light emitting diode is broken is troublesome. Further, since the light-emitting diode is not provided with a member for protecting the light-emitting diode or a light-transmitting plate, the light-emitting diode may become dirty and the illumination may become dark or may be damaged.

  The present invention has been made to solve the above problems, and an object of the present invention is to provide an illumination device that can easily replace a light emitting diode and protect the same.

In order to solve the above-described problem, a lighting device according to claim 1 of the present invention provides:
The lighting case in the lighting device body facing in the left-right direction has a shape that forms a U-shaped cross-section in the side view with the lower end and both left and right ends open, The upper groove and the lower groove that are open at both end portions are provided so as to face each other in pairs, and a plurality of light emitting diodes or the like are respectively provided at the opposing portion and both side end portions of the both upper grooves. A translucent plate that fits the front and rear edges of the substrate and the fitting pieces of the cover that covers the left and right opening surfaces of the lighting case, and covers the opening surface of the lower end of the lighting case in the lower groove It is characterized by fitting.
According to this feature, the lighting case is formed in a downward U shape with both ends open, and the upper and lower grooves with both left and right openings are provided on the opposing surfaces of the front and rear hanging pieces. In addition, the substrate, the translucent plate and the cover can be easily mounted from the side.
In addition, by removing the translucent plate, it is possible to easily perform replacement work of the light emitting diode and the like from below, and protect the light emitting diode by the downward U-shaped illumination case and the translucent plate. be able to.

The lighting device according to claim 2 of the present invention is the lighting device according to claim 1,
The illumination case is made of an extruded product.
According to this feature, the upper groove and the lower groove can be easily formed simultaneously with the formation of the lighting case.

The lighting device according to claim 3 of the present invention is the lighting device according to claim 1 or 2,
A second lower groove facing in the left-right direction is provided in an opposing manner above the lower groove in the front and rear hanging pieces, and front and rear edges of the reflector curved in a downward arc shape in the second lower groove. It is characterized by fitting.
According to this feature, the reflector can also be easily attached to the illumination case, and the lower part can be illuminated brightly.

A lighting device according to a fourth aspect of the present invention is the lighting device according to any one of the first to third aspects,
The translucent plate is shorter than the left and right dimensions of the lighting case, and the mounting plate of the stand that supports the lighting device body is fitted to either the left or right end of the front and rear lower grooves. .
According to this feature, the mounting plate of the stand can be easily attached to the lighting case, the stand can be mounted on the mounting plate, and the lighting device main body can be supported by the stand.

The lighting device according to claim 5 of the present invention is the lighting device according to claim 4,
A male screw cylinder protrudes downward from the lower surface of the mounting plate, and the mounting plate is provided with a communication hole communicating with the inside of the lighting case and the male screw cylinder.
According to this feature, the lighting device main body can be easily attached to the stand by fitting the upper end portion of the stand to the male screw cylinder and fixing it with the nut.
Further, the power supply line connected to the substrate can be easily wired below the stand through the communication hole.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a stand-type lighting device to which the present invention is applied, FIG. 2 is a central longitudinal front view of a main part, and the lighting device 1 includes a lighting device body 2 and a stand 3 that supports the lighting device body 2. It has become.

  As shown in the cross-sectional view of FIG. 3, the illuminating device main body 2 includes a lighting case 4 that has a U-shaped cross-section that is downwardly viewed from the side with the lower end surface and both end surfaces open, and a lighting case 4 that is long in the left-right direction. A housed substrate 6 on which a plurality of light emitting diodes (hereinafter abbreviated as LEDs) 5 are attached at regular intervals in the left-right direction, a reflector 7, and a translucent plate 8 that covers the lower end surface of the illumination case 4. I have.

  The lighting case 4 is made of an extruded product such as an aluminum alloy or a hard synthetic resin, and has an inner upper end corner where the upper side 4a intersects with the front and rear hanging pieces 4b, 4b, and a facing surface at the lower end of both hanging pieces 4b. The upper groove 9 and the lower groove 10 that are open at both right and left ends are formed over the entire length in the left-right direction so as to face each other in pairs. In addition, a protrusion 11 having a C-shaped cross-section with a part of the circumference cut off is formed on the opposite surface of the middle part of the both hanging pieces 4b over the entire length in the left-right direction.

  Further, a second lower groove 12 having a small groove width is formed on the facing surface slightly above the lower ends of the two hanging pieces 4b so as to face each other. The upper groove 9, the lower groove 10, and the second lower groove 12 have a substantially inwardly U-shaped cross section.

  A pair of holding members 13, 13 holding the front and rear edges of the substrate 6 are inserted into and fitted into the upper groove 9 facing the front and rear from one side end of the lighting case 4. Thus, it is fitted to the left end so as to contact the lower surface of the upper side 4a. Further, the front and rear edge portions of the translucent plate 8, which are shorter than the left and right dimensions of the lighting case 4 by a predetermined dimension, are inserted into and fitted into the lower groove 10 from one side end of the lighting case 4. Thus, the lighting case 4 is attached so as to be flush with the lower end surface. Further, the front and rear second lower grooves 12 have front and rear edges of the thin and flexible reflector 7 that are slightly shorter than the substrate 6, and are attached to the front and rear circular circles when viewed from the side before the translucent plate 8 is attached. It is bent in an arc shape and fitted from below or from the side.

  As shown in FIG. 4, the left and right portions of the central portion of the substrate 6 are fixed by set screws 15 screwed into the female screw holes 14 provided on the lower surface of the upper side 4 a from below. The central portion of the upper side 4a is thickened by forming a ridge 16 that faces in the left-right direction on the upper surface thereof, and the strength of the thinned portion formed by forming the female screw hole 14 is prevented. ing.

  The board 6 is shorter than the left and right dimensions of the lighting case 4 by a predetermined dimension, and a push button switch 17 for turning on and off all the LEDs 5 is attached to the lower surface of the right end portion where the LEDs 5 are not attached. . The push button switch 17 can be pushed through an operation button 19 having an enlarged diameter rod 19a fitted from above to a mounting hole 18 formed in the right end portion of the translucent plate 8. ing. The operation button 19 is fitted to the mounting hole 18 from above before the translucent plate 8 is attached to the lighting case 4, and the translucent plate 8 is fitted to the lower groove 10 of the lighting case 4 to a predetermined position. At this time, the push button switch 17 comes close to the lower surface.

  As shown in FIGS. 2 and 5, the lower groove 10, 10 at the right end (base end) of the lighting case 4 has a mounting plate 21 for the stand 3 having a male screw cylinder 20 facing downward at the center of the bottom surface. The lighting case 4 is fitted and attached from the side end. The mounting plate 21 has a lower surface slightly inclined toward the lower left by gradually reducing the thickness toward the right end side. An upper surface plate 22 a of a substantially U-shaped attachment member 22 facing downward at the front end of the stand 3 is fitted to the male screw cylinder 20 and fixed by a nut 23 screwed into the male screw cylinder 20. Thereby, the right end part of the illuminating device main body 2 is attached to the upper end of the stand 3. The mounting plate 21 is provided with a communication hole 24 that communicates with the inside of the lighting case 4 and the male screw cylinder 20 so that a power line 25 connected to the substrate 6 can be wired below the stand 3.

  As shown in FIGS. 2, 5, and 6, the opening surface at the right end of the lighting case 4 covers the inner cover 26 whose front and rear dimensions and vertical dimensions are slightly shorter than those of the lighting case 4, and the outer surface thereof. A side cover 28 including an outer cover 27 having a large size is attached. The inner cover 26 has a pair of front and rear fitting pieces 26a, 26a projecting on the inner side surface (left side surface) and having an inward L-shaped cross section when viewed from the side. The set screws 29, 29 which are fixed by fitting and inserted into both the left and right sides of the central portion are screwed into the side end portions of the intermediate protrusions 11 in the lighting case 4 to be prevented from coming off. ing.

  The outer cover 27 has a mounting piece 27 a protruding from the inner side surface at the center of the lower end portion on the lower surface of the mounting piece 26 b positioned in the lighting case 4 protruding from the inner side surface at the center of the lower end of the inner cover 26. In the state of contact, a countersunk screw 31 inserted from below the mounting plate 21 is screwed into the female screw hole 30 formed in both the mounting pieces 26b and 27a, so that the inner cover 26 is fixed. .

  As shown in FIG. 2, a side cover 32 is also attached to the opening surface at the left end of the lighting case 4. The side cover 32 has a pair of front and rear fitting pieces 32a having the same shape as the fitting piece 26a of the inner cover 26 protruding from the inner side surface (right side face) of the side cover 32 at the side ends of the upper and lower upper grooves 9. The upper claw portion 33 at the tip of the elastic engagement piece 32b projecting inwardly between the fitting pieces 32a is fitted into the engagement groove 34 formed on the lower surface of the side end portion of the lighting case 4 while being fitted. It is fastened by elastic engagement. In order to facilitate positioning at the time of mounting, a pair of front and rear shaft protruding pieces 35 protruding from the inner surface of the central portion of the side cover 32 is also fitted to the side end of the protrusion 11. I have to.

  As described above, in the above-described embodiment, the lighting case 4 has a shape having a downward U-shaped cross section that is open at both ends, and the upper and lower ends that are open on the opposing surfaces of the front and rear hanging pieces 4b. By providing the groove 9, the lower groove 10 and the second lower groove 12, the substrate 6 having the LED 5 and the push button switch 17, the reflecting plate 7, the translucent plate 8 and the left and right side covers 28, The attachment work of each member to the illumination case 4 can be performed very easily only by fitting 32 from the side. Further, if the right side cover 28 is removed, the translucent plate 8 can be pulled out to the side, so that the replacement of the LED 5 and the push button switch 17 can be easily performed from below.

  Furthermore, the stand 3 can be easily attached to the illuminating device body 2 by using the attachment plate 21 having the male screw cylinder 20 fitted in the lower groove 10 of the illumination case 4. Since the LED 5 is covered and protected by the lighting case 4 and the translucent plate 8, it is not soiled or damaged, and has a long life.

  The present invention is not limited to the above-described embodiment, and can take various embodiments.

  In the above embodiment, the right side cover 28 is composed of the inner cover 26 and the outer cover 27. However, one side cover is simply detachably attached to the side end of the upper groove 9. The screws 29 and 31 may be omitted.

  Moreover, you may abbreviate | omit and implement the 2nd lower groove 12 and the reflecting plate 7 fitted to it.

  In the above embodiment, a stand-type lighting device is used, but the stand 3 may be omitted, and only the lighting device main body 2 may be attached to the lower surface of a learning desk or a shelf board of a fixture that requires lighting. At this time, the mounting plate 21 of the stand 3 is not necessary, and the translucent plate 8 may be fitted to the entire length of the lower groove 10 of the lighting case 4.

It is a front view of one Embodiment of the illuminating device of this invention. Similarly, it is a center longitudinal cross-section enlarged front view of an illuminating device main body. FIG. 3 is an enlarged longitudinal sectional side view taken along line III-III in FIG. 2. Similarly, it is an enlarged vertical side view along the line IV-IV. Similarly, it is an enlarged vertical side view along the line VV. It is a cross-sectional plan view which follows the VI-VI line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Illuminating device main body 4 Illumination case 4a Upper side 4b Drooping piece 5 Light emitting diode 6 Substrate 7 Projection plate 8 Translucent plate 9 Upper groove 10 Lower groove 11 Projection 12 Second lower groove 13 Holding member

Claims (5)

  The lighting case in the lighting device body facing in the left-right direction has a shape that forms a U-shaped cross-section in the side view with the lower end and both left and right ends open, and faces in the left-right direction on the opposing surfaces of the front and rear droop pieces. The upper groove and the lower groove that are open at both end portions are provided so as to face each other in pairs, and a plurality of light emitting diodes or the like are respectively provided at the opposing portion and both side end portions of the both upper grooves. A translucent plate that fits the front and rear edges of the substrate and the fitting pieces of the cover that covers the left and right opening surfaces of the lighting case, and covers the opening surface of the lower end of the lighting case in the lower groove The lighting device characterized by having fitted.   The lighting device according to claim 1, wherein the lighting case is made of an extruded product.   A second lower groove facing in the left-right direction is provided in an opposing manner above the lower groove in the front and rear hanging pieces, and front and rear edges of the reflector curved in a downward arc shape in the second lower groove. The lighting device according to claim 1, wherein the lighting device is fitted.   The translucent plate is shorter than the left and right dimensions of the lighting case, and a stand mounting plate that supports the lighting device body is fitted to either the left or right end of the front and rear lower grooves. The lighting device according to claim 1.   5. The lighting device according to claim 4, wherein a male screw cylinder projects downward from the lower surface of the mounting plate, and a communication hole is provided in the mounting plate to communicate with the inside of the lighting case and the male screw cylinder.

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