JP2006185600A - Illumination fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illumination fixture capable of improving an appearance and the design performance of a space where a metal duct is laid when a fixture is arranged and installed at the metal duct. <P>SOLUTION: A locking member 42 of a lighting device 40, the fixture main body 20, and a locking hole 26 are locked to be mechanically connected. Consequently, because an arrangement via the metal duct 50 is enabled, the thinning of a fixture body 20 to protrude from the metal duct 50 is achieved, and furthermore the design performance of the space where the illumination fixture 10 is installed can be improved. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a luminaire disposed in a metal duct.

  2. Description of the Related Art Conventionally, a metal duct is known in which a lighting fixture can be mounted at an arbitrary position and the lighting fixture can be fed at any mounting position in order to make it possible to arbitrarily adjust a lighting place by the lighting fixture.

  In this metal duct, one or a plurality of metal ducts are arbitrarily installed on the ceiling surface, etc., and a pair of conductive parts for feeding are arranged along the longitudinal direction inside the metal duct body, and these conductive parts And a pair of terminals on the luminaire side are connected so that power can be supplied at any mounting position of the luminaire.

  And as a lighting fixture arrange | positioned in such a metal duct, it has a reflecting plate which is a reflecting member which is a reflecting member which reflects the light of a pair of lamp socket which hold | maintains the lamp | ramp which consists of a straight tube | pipe type fluorescent lamp, for example, and a metal duct There is known a lamp provided with a lamp attached to the lamp (see, for example, Patent Document 1).

The lamp includes a steel plate body, a steel plate reflecting plate formed in a U-shape with a cross section orthogonal to the longitudinal direction opened upward, and a lamp socket attached to the lamp body. And a socket base provided at both ends in the longitudinal direction of the instrument body, and a metal duct plug for detachably attaching to the metal duct is also attached.
JP 2004-111281 A

  However, in the conventional lighting fixture, a lighting device including a ballast for lighting a lamp is disposed in the fixture main body, and the lighting device is covered with a reflector so that it cannot be seen from the outside. Therefore, the width dimension of the lighting fixture protruding from the metal duct is increased.

  In other words, since the lighting device has a large width in the vertical direction, the fixture body that houses the lighting device inevitably increases in size. Therefore, when a lighting fixture having such a fixture main body is arranged in a metal duct, since most members constituting the lighting fixture are positioned below the metal duct, it is not preferable in appearance. There wasn't.

  The present invention has been made in view of the above, and provides a lighting apparatus that can improve the appearance when disposed in a metal duct and can also improve the design of a space in which the metal duct is laid. The purpose is to provide.

  The lighting apparatus according to claim 1, further comprising: an apparatus main body having an engaging portion and capable of disposing a light source; and a pair of engaging members engageable with the engaging section of the apparatus main body at both longitudinal ends. And a lighting device for lighting a light source disposed apart from the instrument body via a metal duct.

  The light source may be in any form such as a fluorescent lamp, LED, incandescent light bulb, and the configuration, structure and light emission principle are not particularly limited as long as it has a light emitting action. Also, the shape is not particularly limited. For example, as long as it is a fluorescent lamp, it may have a straight tube shape, an annular shape or a polygonal shape, or may have a single tube structure or a multiple tube structure.

  The engaging portion includes, for example, a fitted state, a locked state, an engaged state, a joined state, and the like. Further, the engaging portion may be fixed by a fixing means such as a screw. In short, any configuration may be used as long as the lighting device and the instrument body are mechanically held.

  The metal duct includes a so-called metal wire.

  According to the present invention, since the lighting device is disposed via the fixture main body and the metal duct, the fixture main body protruding from the metal duct can be thinned, so that the design of the space for laying the lighting device can be achieved. Can be increased.

  The lighting fixture according to claim 2 is the lighting fixture according to claim 1, wherein the fixture body has a projection opening for projecting light from a light source formed on the side opposite to the metal duct side, and this projection A light source and a lighting device having a pair of side walls that rise from the opening side to the metal duct side, and an upper plate portion that is formed continuously from the side walls so as to face each other and that has an engagement portion An electrical connection cord for electrically connecting the two is housed in a wiring housing portion formed between the side wall and the upper plate portion.

  According to the present invention, by engaging the engaging member of the lighting device with the engaging portion of the upper plate portion, the engaging portion is hardly visible from the outside, and the appearance is not impaired.

  Further, since the electrical connection cord is housed in the wiring housing portion, the electrical connection cord is not exposed outside the instrument body, so that the appearance is impaired even when the lighting device and the instrument body are spaced apart. There is nothing.

  According to the first aspect of the present invention, since the lighting device is disposed via the fixture main body and the metal duct, the fixture main body protruding from the metal duct can be thinned. The design of the space can be improved.

  According to the second aspect of the present invention, by engaging the engaging member of the lighting device and the engaging portion of the upper plate portion, the engaging portion is hardly visible from the outside, and the appearance may be impaired. Absent.

  Further, since the electrical connection cord is housed in the wiring housing portion, the electrical connection cord is not exposed outside the instrument body, so that the appearance is impaired even when the lighting device and the instrument body are spaced apart. There is nothing.

  An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the lighting apparatus of the first embodiment, FIG. 2 is a sectional view showing the lighting apparatus, FIG. 3 is a partially enlarged view of the same main part of the lighting apparatus, and FIG. It is a perspective view which shows the state arrange | positioned in the metal duct.

  In each figure, the luminaire 10 is disposed so as to be parallel to the ceiling surface, for example, and the luminaire 10 can be mounted at an arbitrary position and the luminaire 10 can be fed at any mounting position. 50, which is installed in a facility such as a store, for example, and includes an appliance body 20, a reflector 21, a lamp socket 30, a lighting device 40, a lamp 8, and the like.

  The instrument main body 20 is formed of a metal plate or the like having a white coating that reflects light, and has a thin box shape with the lower surface being a projection opening 22, and from both sides along the longitudinal direction of the projection opening 22. A pair of side walls 23, 23 rising to the metal duct 50 side, end plate portions 24 provided at both ends in the longitudinal direction of the light projection opening 22, and a pair of side walls 23, 23 are continuously horizontal so as to face each other. And upper plate portions 25, 25 extending to the top.

  As shown in FIGS. 1 and 3, the upper plate portions 25, 25 are formed with four engagement holes 26 as engagement portions on the end plate portions 24, 24 side in the longitudinal direction of the instrument body 20. ing.

  Furthermore, the fixture body 20 is provided with a reflector 21 that is formed in an inclined or curved surface continuously from the side walls 23, 23 so as to face the projection opening 22. As shown in FIG. 2, a wiring storage portion 27 is formed in a region formed by the side wall 23, the upper plate portion 25, and the back side of the reflection plate 21.

  The lamp sockets 30 are attached to both ends of the inside of the fixture body 20, and the lamp 8, which is a small-diameter straight tube fluorescent lamp dedicated for high-frequency lighting mounted between the lamp sockets 30, reflects the lamp socket 30. The plate 21 is optically opposed.

  The lighting device 40 includes a case 41 that accommodates a so-called inverter, which is an electronic ballast. That is, the lighting circuit portion on which electric parts (not shown) forming the inverter portion are mounted is housed and held inside the case 41, and the cord 7 is shown on the lower surface of the case 41 from the case 41. For example, a connector is provided at the tip of the cord 7, and the lamp socket 30 and the lighting circuit portion are electrically connected to each other by connecting to the connector receiver of the instrument body 20. Are to be connected to each other.

  Further, the lighting device 40 is provided with a connection terminal (not shown) for receiving power supply from a conductive portion of a metal duct 50 to be described later to the lighting device portion so as to protrude from the lower surface of the substantially central portion of the case 41. It is.

  Engaging members 42, 42 that can be locked with the locking holes 26 of the instrument body 20 are provided on both ends in the longitudinal direction of the case 41. The engaging member 42 is formed in a U-shaped cross section as shown in FIGS. 2 and 3, and includes a flat plate portion 43 provided so as to be continuous with both end portions of the case 41, and the flat plate portion 43. Side plate portions 44 extending so as to slightly spread downward from both sides, 44 are provided with locking piece portions 45, 45 extending horizontally from the side plate portion and rising upward. In addition, the dimension between the locking piece parts 45 and 45 is formed so as to be wider than the distance between the pair of locking holes 26 and 26 of the instrument body 20.

  As shown in FIG. 4, the metal duct 50 has a long duct body 51 made of metal and having a substantially U-shaped cross section. The duct body 16 is provided so as to face, for example, a ceiling surface as an installation surface. A possible opening 51 is formed along the longitudinal direction.

  In addition, a pair of conductor holding portions (not shown) are formed along the longitudinal direction at both side positions inside the metal duct 50, and a pair of conductive portions are attached to the conductor holding portions along the longitudinal direction. It is.

  The attachment method of the lighting fixture 10 of this embodiment is demonstrated.

  First, the lighting device 40 is disposed so as to face the opening 52 of the metal duct 50 suspended from the ceiling surface or the like. At this time, since the width dimension in the short direction of the case 41 of the lighting device 40 is formed to be larger than the width dimension in the short direction of the opening 52, the lighting device 40 is placed on the metal duct 50. It becomes a form. And after specifying the arrangement | positioning location in the metal duct 50 of the lighting device 40, a power supply is supplied to the lighting circuit part of the lighting device 40 by making the electroconductive part of the metal duct 50 and the connection terminal of the lighting device 40 contact. And the position of the lighting device 40 is fixed.

  Next, the lighting device 40 and the fixture body 20 are attached. First, the side plate portions 44 and 44 of one engaging member 42 provided on both ends in the longitudinal direction of the lighting device 40 are spaced in a direction approaching each other. And the instrument body 20 is tilted so that the locking pieces 45, 45 once immerse into the wiring storage part 27 of the instrument body 20. And after letting the front-end | tip of the locking piece parts 45 and 45 penetrate the locking holes 26 and 26 of the instrument main body 20 from the lower side, when releasing from the state which narrowed the side-plate parts 44 and 44 in the direction which mutually approaches. Since the side plate portions 44 and 44 act so as to spread outward by elastic force, the locking state between the locking holes 26 and 26 and the locking piece portions 45 and 45 becomes stronger and engages. Similarly, the lighting device 40 and the instrument main body 20 are mechanically held by engaging the locking pieces 45, 45 of the other engaging member 42 with the corresponding locking holes 26, 26. Become.

  On the other hand, for the electrical connection between the lighting device 40 and the lamp socket 30 provided in the fixture body 20, for example, a connector that is the tip of the cord 7 led out from the case 41 of the lighting device 40 is formed on the metal duct 51. It connects with the connector receptacle provided in the instrument main body 20 through the cord insertion hole which is not shown in figure. Similarly, the cord 7 is connected to the other lamp socket 30. As a result, the lighting device 40 and the lamp socket 30 can be electrically connected. Further, at this time, the cord 7 on the instrument body 20 side performs wiring so as to be housed in the wiring housing section 27 formed on the instrument body 20 shown in FIG.

  According to this embodiment, since the lighting device 40 is disposed via the fixture body 20 and the metal duct 50, the fixture body 20 protruding from the metal duct 50 can be thinned. The design property of the space where laying is improved.

  Moreover, since the mechanical connection between the lighting device 40 and the instrument main body 20 is possible by locking the locking piece 45 and the locking hole 26 of the engaging member 42, a connection structure is easily provided. In addition, connection work is not complicated and workability is improved.

  In addition, the instrument body 20 has a pair of side walls 23, 23, end plate portions 24 provided at both ends in the longitudinal direction, and a pair of side walls 23, 23 that are continuously extended horizontally so as to face each other. Since the plate portions 25 and 25 and the reflection plate 21 formed in an inclined shape or curved surface continuously from the side walls 23 and 23 so as to face the light projection opening 22 can be integrally formed, 20 can be easily reduced in thickness, can be easily manufactured, and manufacturing costs can be reduced.

  Further, since the lighting device 40 is provided on the metal duct 50, the load on the pair of terminals on the lighting device 40 side that electrically connects the metal duct 50 and the lighting device 40 is reduced. Therefore, the reliability of electrical connection can be improved.

  Further, by engaging with the engaging member 42 of the lighting device 40 and the locking hole 26 of the upper plate portion 25, the engaging portion that mechanically connects the lighting device 40 and the instrument body 20 is difficult to see from the outside. It does not impair the appearance.

  Moreover, since the cord 7 led out from the lighting device 40 is stored in the wiring storage portion 27 of the fixture body 20, the cord 7 is prevented from being exposed to the outside of the fixture body 20. Even when the instrument main body 20 is spaced apart, the appearance is not impaired.

  Similarly, since the cord 7 is prevented from being exposed to the outside of the instrument body 20, wiring outside the instrument is prevented, and electrical connection between the lighting device 40 and the instrument body is achieved without using a special cord. be able to.

Sectional drawing which shows the lighting fixture of this embodiment Sectional drawing which shows the lighting fixture of FIG. 1 same as the above. Partial enlargement of the main part of the lighting fixture of FIG. The perspective view which shows the state which has arrange | positioned the lighting fixture of FIG. 1 same as the above to the metal duct.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Lighting fixture, 20 ... Appliance main body, 22 ... Light projection opening, 23 ... Side wall, 25 ... Upper plate part, 26 ... Locking hole which is an engaging part, 27 ... Wiring storage part, 40 ... lighting device, 42 ... engaging member,

Claims (2)

An instrument body having an engaging portion and on which a light source can be disposed;
A lighting device for lighting a light source that has a pair of engaging members engageable with the engaging portion of the instrument main body at both ends in the longitudinal direction and is spaced apart from the instrument main body via a metal duct;
The lighting fixture characterized by comprising. The instrument body includes a light-projecting opening formed on the side opposite to the metal duct side through which light from a light source can be projected, a pair of side walls rising from the light-projecting opening side to the metal duct side, and the side walls from each other. An electrical connection cord that electrically connects the light source and the lighting device, and has an upper plate portion that is continuously formed so as to face each other and that has an engagement portion. The lighting fixture according to claim 1, wherein the lighting fixture is housed in a wiring housing portion formed between the plate portion and the wiring portion.

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