JP2008251231A - Lighting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an easily and speedily mountable lighting device capable of easily adjusting a light distribution. <P>SOLUTION: This lighting device includes a lighting device body 2 equipped with a long fluorescent lamp 5, and end caps 3, 3 provided at both end parts of the lighting device body so that they can freely rotate relatively to the lighting device body. An adjusting means to fix the lighting device body and the end caps so that they can be freely released at a prescribed relative position and light distribution of illumination light can be adjusted, and the cross section of the end cap is formed into a non-circular shape so as to have a plurality of faces 30a-30h which can be placed on a mounting surface 40 such as a floor or mounted to faces to be mounted such as a wall and a ceiling in its circumferential direction. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a lighting device including a fluorescent lamp.

  Conventionally, an illuminating device using a long fluorescent lamp (base lamp of a straight tube lamp) has an instrument body in which a box-type inverter is built, and sockets are attached to both sides of the instrument body. Fluorescent lamps are mounted on these sockets (see, for example, Patent Document 1).

  Moreover, it is common that the illuminating device 100 using the conventional fluorescent lamp 101 as shown in FIG. 15 is attached to attachment surfaces, such as a ceiling and a wall surface, and is well-known which attaches this illuminating device 100 to an attachment surface. A simple structure is shown in FIG. As shown in the figure, the mounting plate 102 is fixed to the mounting surface with screws 103 in advance. A pair of mounting bolts 105 project forward from the mounting plate 102.

  The mounting bolt 105 is inserted into the fixture main body 106 of the lighting device 100, and the knurled nut 107 is fastened to the mounting bolt 105, so that the lighting device 100 is mounted on the surface to be mounted.

Further, as shown in FIG. 14, the instrument main body 106 is provided with a reflecting plate 108, and the direction (light distribution) of irradiation light is adjusted by the reflecting plate 108.
JP 2004-349208 A

  The conventional lighting device 100 has a fluorescent lamp 101 on a box-shaped fixture body 106, and the light distribution is adjusted by the angle of the reflector 108. Once the lighting device 100 is attached to the surface to be attached, The light distribution adjustment could not be changed easily.

  The conventional lighting device 100 can also be attached to a wall, but the lighting device 100 cannot be easily attached because the fixture body 106 is attached after the attachment plate 102 is attached to the wall.

  This invention makes it the 1st subject to provide the illuminating device which can adjust light distribution easily.

  It is a second problem to provide a lighting device that can be easily and quickly attached.

  The present invention has been made in order to solve the above-described problems. The feature of the present invention is that the lighting device body includes a long fluorescent lamp, and the both ends of the lighting device body are relative to the lighting device body. An end cap provided rotatably, and the lighting device body and the end cap are arranged at a predetermined relative position between the lighting device body and the end cap so that the light distribution of the irradiation light can be adjusted. Adjusting means for releasably fixing is provided, and the end cap has a plurality of surfaces in the circumferential direction that can be placed on a mounting surface such as a floor or attached to a mounting surface such as a wall or ceiling. The sectional shape is formed in a non-circular shape.

  In the present invention, when the end cap is placed on a mounting surface such as a floor, the irradiation direction can be changed by rolling the illumination device. In addition, when the end cap is attached to a mounting surface such as a wall or a ceiling, the irradiation direction can be changed by rotating the illuminating device main body with respect to the end cap fixed to the mounting surface. Easy adjustment.

  The illuminating device main body of the present invention includes a holder that holds the fluorescent lamp and the reflector, and a transparent cylindrical cover in which the fluorescent lamp, the reflector, and the holder are built, and the end cap is cylindrical. And is fitted to both end portions of the end cap so as to be relatively rotatable.

  The end cap of the present invention is provided with a plurality of openings through which a cord connected to an inverter built in the cover is taken out. Then, the cord is appropriately taken out from a predetermined opening and connected to the power supply side.

  A tool such as a screwdriver is inserted into the end cap from the opening formed in the end cap of the present invention, and the end cap is fixed to the mounting surface by operating a fixture with the tool.

  In such a case, the end cap can be directly fixed to a mounting surface such as a wall or a ceiling with a tool without removing the end cap from the lighting device body, and the lighting device can be easily and quickly attached.

  In the present invention, the light distribution can be easily adjusted by rotating the lighting device body. In addition, since the tool such as a screwdriver is inserted into the end cap from the opening formed in the end cap, and the end cap is fixed to the mounting surface by operating the fixture with the tool, the lighting device is Easy and quick installation.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIGS. 1-12 shows the illuminating device of embodiment of this invention, and as shown in FIGS. 1-4, the illuminating device 1 is the elongate illuminating device main body 2, and the both ends of this illuminating device main body 2. As shown in FIG. It is comprised from a pair of low-capacity end caps 3 and 3 provided in.

  The illuminating device main body 2 includes a long external electrode fluorescent lamp (EEFL) 5 having sockets 7 and 7 attached to both ends, and a holding body 8 that holds the external electrode fluorescent lamp 5 and the sockets 7 and 7. 8, a reflecting plate 10, and a cover 11.

  The external electrode fluorescent lamp 5 is a well-known one in which external electrodes are provided on both ends of a fluorescent lamp made of a tubular glass bulb. Each external electrode is attached to the sockets 7 and 7.

  The holding body 8 is formed of a strip-shaped flat plate material. Socket fixing springs 12 made of a spring plate material are provided at both ends on the front side of the holding body 8, and each socket fixing spring 12 detachably holds the socket 7 by an elastic force.

  The cover 11 is formed of a long and transparent circular cylindrical body manufactured by hollow resin extrusion. Engaging portions 13 are respectively provided on the inner peripheral surface of the cover 11 and on both sides in the diameter direction. The engaging portion 13 has a pair of protruding ridges 13a and 13b having a predetermined interval provided over the entire length in the longitudinal direction of the cover 11, and both ends of the holding body 8 between the pair of ridges 13a and 13b. The edges are fitted and the holding body 8 is fixed in the cover 11.

  The reflecting plate 10 is formed in an arc shape in cross section, and is arranged between the external electrode fluorescent lamp 5 and the holding body 8 so as to reflect the irradiation light on the back side of the external electrode fluorescent lamp 5 to the front side ( It is fixed to the front surface of the holding body 6 on the back surface side of the external electrode fluorescent lamp 5.

  A cord threading opening 15 is formed at each end of the holding body 8 in the longitudinal direction, and a cord 16 extending from the socket 7 is inserted into the cord threading opening 15 and disposed on the back side of the retaining body 8. The cord 16 is connected to an inverter (not shown) provided on the back side of the holding body 8.

  At both edges in the longitudinal direction of the holding body 8, attachment pieces 8 a are bent to the back side, and a substantially circular plate-like closing lid 17 for closing the end opening 11 a of the cover 11 is attached to the attachment pieces 8 a, It is fixed with screws 18.

  As shown in FIGS. 5 to 8, the end cap 3 has a regular polygonal shape (for example, a regular octagon) having a non-circular side view, and is fitted on both ends of the cover 3. The end cap 3 includes first to eighth peripheral wall portions 30 a to 30 h having flat surfaces and a lid portion 31 that closes one end of the peripheral wall portions 30 a to 30 h, and the diameter of the inscribed circle is the outer periphery of the cover 11. Is approximately equal to the diameter. Specifically, the peripheral wall portion on the upper surface side shown in FIG. 7A is defined as a first peripheral wall portion 30a, and a second peripheral wall portion 30b, a second peripheral wall portion 30c,.

  Openings 32a to 32d are formed in the first peripheral wall portion 30a, the fourth peripheral wall portion 30d, the sixth peripheral wall portion 30f, and the lid portion 31, respectively. And the cord 20 connected to the inverter is suitably taken out from the predetermined openings 32a to 32d. The cord 20 is connected to a power source (not shown), and is extended to the outside through the opening 32d of the lid 31 in FIG.

  On the inner surface of each of the first to eighth peripheral wall portions 30a to 30h, a locking convex portion 33 protrudes in the longitudinal direction. In addition, on the outer surface in the diameter direction of the cover 11, locked grooves 11 b and 11 b are formed in the longitudinal direction of the cover 11, and the locking convex portions 33 and 33 facing each other are provided on the locked surface. The illumination device main body 2 can be fixed to the end cap 3 at an arbitrary rotational position by being detachably fitted to the grooves 11b and 11b. Here, the lighting device body 2 and the end cap 3 are placed in a predetermined relative position so that the light distribution adjustment of the irradiation light can be adjusted by the locking convex portion 33 and the locked grooves 11b and 11b. The adjusting means for releasably fixing is configured.

  Further, as shown in FIGS. 4, 6 and 7C, a stopper portion 37 for determining a fitting allowance of the end cap 3 is provided on the inner surface of the end cap 3 and on the lid portion 31 side. . Accordingly, substantially half of the end cap 3 is fitted on the cover 11, and a gap L is provided between the lid portion 31 and the cover 11.

  An attachment opening 35 is formed in the fifth peripheral wall portion 30e. The mounting opening 35 is formed to face the opening 32a formed in the first peripheral wall portion 30a.

  Next, the case where the lighting device 1 having the above-described configuration is used by being placed on a placement surface 40 such as a floor or a desk as shown in FIG. 8 will be described. When the illuminating device 1 is rolled to a desired rotational position, components such as the external electrode fluorescent lamp 5 and the reflector 10 rotate together with the cover 11, and the predetermined peripheral wall portions 30a to 30h of the end caps 3 and 3 are moved. Since it can be stopped by contact, it is irradiated directly above (refer to FIG. 8 (a)), irradiated upward 45 degrees (refer to FIG. 8 (b)), and irradiated right next (refer to FIG. 8 (c)). The light distribution can be easily adjusted.

  Moreover, the case where it attaches to to-be-attached surfaces, such as a ceiling and a wall surface, is demonstrated. As shown in FIG. 9, the 5th surrounding wall part 30e of the end cap 3 is located in the back side opposite to an irradiation direction, and the 5th surrounding wall part 30e is made to contact a to-be-attached surface. In addition, when attaching the illuminating device 1 to a to-be-attached surface, the screw | thread 36 as a fixing tool is penetrated by the opening 35 for attachment of the 5th surrounding wall part 30e.

  Further, a screwdriver 38 as a tool is passed through the end cap 3 from the opening 32a of the first peripheral wall portion 30a, the screw 36 is fastened, and the connection terminal of the cord 20 is connected to the power supply side. Such an operation can be performed for both end caps 3 and 3 to attach the lighting device 1 to the surface to be attached (see FIG. 10). As described above, when attaching the lighting device 1 to the surface to be attached, the screwdriver 36 can be fastened with the screw 36 through the gap L between the end cap 3 from the opening 32a of the first peripheral wall portion 30a. Can be done.

  When adjusting the light distribution, the illuminating device body 2 is rotated with respect to the end caps 3 and 3 fixed to the mounted surface. At this time, the locking projections 33 fitted in the locked grooves 11b and 11b are released from the engagement with the locked grooves 11b and 11b due to the elastic force, and the cover 11 The cover 11 is allowed to rotate with respect to the end caps 3 and 3.

  Further, when the cover 11 is rotated, the locking grooves 11b and 11b are engaged with the locking projections 33 different from the locking projections 33, respectively, and the lighting device main body is engaged. 2 can be stopped at a predetermined position.

  The present invention is not limited to the embodiment described above. For example, as shown in FIGS. 11A to 11D, the cord 20 can be used by being appropriately taken out from an arbitrary opening 32a or the like.

  In addition, as shown in FIG. 12, it is also possible to provide two external electrode fluorescent lamps 5 by providing two socket fixing springs 12 and 12 together with the holding body 8.

It is an exploded view of the illuminating device of this invention. It is a perspective view which shows the whole said illuminating device. It is a cross-sectional side view which shows the principal part of the same illuminating device. It is a cross-sectional front view which shows the principal part of the same illuminating device. FIG. 4 is a sectional view taken along line AA in FIG. 3. It is a perspective view which shows a part of end cap and a cover. The end cap is shown, (a) is a side view, (b) is a bottom view, and (c) is an internal view. (A), (b) and (c) is sectional drawing which each shows the arbitrary rotation angle positions of the illuminating device of this invention. It is a perspective view which shows the state which attaches the illuminating device of this invention. It is a front view which shows the same illuminating device. It is a front view which shows the taking-out part of the code | cord | chord of the illumination device. It is sectional drawing of other embodiment corresponding to FIG. It is a disassembled perspective view which shows a prior art example. It is the same side view. It is the same whole perspective view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Illuminating device 2 Illuminating device main body 3 End cap 2 External electrode fluorescent lamp (EEFL)
7 Socket 8 Holding body 10 Reflector 11 Cover 12 Socket fixing spring 15 Cord passage opening 15
16 Code 17 Closing lid 20 Code 30a-30h Peripheral wall (surface)
36 Screw (fixture)
38 Screwdriver (tool)
40 Placement surface

Claims (4)

  An illuminating device main body having a long fluorescent lamp; and end caps provided at both ends of the illuminating device main body so as to be relatively rotatable with respect to the illuminating device main body. An adjusting means for releasably fixing the illuminating device main body and the end cap at a predetermined relative position so as to enable adjustment of the light distribution of the irradiation light is provided between the end cap and the end cap. An illuminating device having a non-circular cross-sectional shape so as to have a plurality of surfaces in a circumferential direction that can be placed on a mounting surface or attached to a mounting surface such as a wall or a ceiling.   The lighting device body includes a holder that holds the fluorescent lamp and the reflector, and a transparent cylindrical cover that includes the fluorescent lamp, the reflector, and the holder, and the end cap is formed in a cylindrical shape. The lighting device according to claim 1, which is fitted to both end portions of the end cap so as to be relatively rotatable.   The lighting device according to claim 2, wherein the end cap is provided with a plurality of openings through which a cord connected to an inverter built in the cover is taken out.   The illumination according to claim 3, wherein a tool such as a screwdriver is inserted into the end cap from an opening formed in the end cap, and the end cap is fixed to the mounting surface by operating a fixture with the tool. apparatus.

Images