JP2011103226A - Lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting fixture capable of sharing components and installing easily a light distribution control unit. <P>SOLUTION: The opening part 13a of the light distribution control unit 13 is formed capable of inserting a projection part 12a of a lamp 12 and has a contacting part 13b formed at the surrounding of the opening part 13a. Thereby, only by inserting the lamp 12 from a light projecting opening part 13c of the light distribution control unit 13, and contacting the lamp 12 annular part 12c and the contact face of the light distribution control unit 13, the light distribution control unit 13 can be supported by its empty weight in a state hooked on the lamp annular part 12c. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a luminaire having a lamp device that is flat and has a cap portion provided on one side thereof and a light source disposed on the other side thereof.

  Conventionally, there is a lamp device using a base part of a GX53 type standardized by IEC (International Electrotechnical Commission). This lamp device has a flat shape and is provided with a GX53-shaped base portion on the upper surface side thereof, and a planar light source using a fluorescent lamp, an LED or the like is disposed on the lower surface side, and the light source is lit inside. The lighting circuit is accommodated, and is configured to be thin with a small dimension in the height direction formed by the upper surface side and the lower surface side.

  A lamp pin protrudes from the upper surface of the base part with the height direction of the lamp device as an axial direction. Then, the lamp pin of the lamp device is inserted into the socket portion of the socket device from below, the lamp device is rotated and the lamp pin is hooked on the socket portion, thereby holding the lamp device on the socket device and receiving the socket portion on the lamp pin. It is configured such that gold contacts and supplies power to the lamp pins (see, for example, Patent Document 1).

JP 2007-157367 A

  In such a lamp device, when the irradiation direction is changed after mounting the appliance, or when it is used as indirect illumination, it is necessary to replace the appliance main body, and it is difficult to share parts.

  The present invention has been made in view of the above-described points, and provides a lighting apparatus that allows parts to be shared and that allows a user to attach and detach light distribution means for providing light distribution that suits the user's preference. With the goal.

  The first aspect of the present invention is a device main body having a socket attached to one side and an opening on the other side; a base part having a columnar protrusion at the center of one surface and an annular part around the columnar shape A flat lamp having a light source on the other side; a contact portion that contacts the lamp annular portion on one side, and a peripheral wall portion extending from one side to the other side And a light distribution control means that surrounds the lamp and is detachably disposed in the fixture main body.

  The shape of the instrument body is not particularly limited as long as it has an opening that can be irradiated on at least one side. Moreover, the material is not limited, For example, weight reduction of an instrument main body can be achieved by forming an instrument main body with resin, and heat dissipation can be improved by forming with a metal.

  When the inner surface of the instrument body has a reflecting action, the light distribution control means disposed in the instrument body is formed of resin, glass, etc., even if it has a reflecting action different from the reflection angle of the inner face of the instrument body. It may have a diffusing action or a light guiding action.

  The abutting portion that abuts the lamp annular portion of the light distribution control means has an abutting portion that partially abuts in the circumferential direction of the lamp annular portion even though the abutting portion is formed in an annular shape of the same shape that abuts the entire annular portion. Even if it is a thing, the shape is not limited. In short, the shape and material of the lamp are not limited as long as the lamp can be enclosed and attached by simply abutting the lamp annular portion instead of being engaged with each other by screws or the like.

  Moreover, you may attach the connection member etc. which electrically connect a lighting circuit and a lamp device to an instrument main body.

  The base part of the lamp has a base structure such as GX53 type, and the light source may be any flat and thin light source such as LED, organic EL, and flat discharge lamp. Further, a globe that covers this light source may be attached to the lamp device.

  The lighting circuit for lighting the lamp device may be housed in the lamp device body, or may be disposed together with the light source on the other surface side of the lamp device.

  The lighting fixture according to claim 2 is characterized in that in the lighting fixture according to claim 1, a frame portion is integrally formed around the irradiation surface of the light distribution control means.

  The frame portion formed around the irradiation surface of the light distribution control means may protrude from the ceiling surface around the opening of the instrument body or may be formed to be substantially flush with the ceiling surface.

  According to the luminaire of claim 1, the light distribution control means is mounted by contacting the flat portion of the annular portion of the lamp, and the lamp is housed and mounted on the device body side. It is no longer necessary to design each of the various appliance specifications, and the product cost can be reduced by sharing parts.

  According to the luminaire described in claim 2, in addition to the effect of the luminaire described in claim 1, since the frame portion is integrally formed around the irradiation surface of the light distribution control means, the ceiling surface is irradiated with indirect light. can do.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an assembly schematic diagram illustrating an embedded lighting fixture according to a first embodiment of the present invention. The top perspective view of the state which inserted the lamp | ramp in the light distribution control means same as the above. The perspective view which shows another light distribution control means.

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

  FIG. 1 and FIG. 2 show a first embodiment, FIG. 1 is an assembly view showing an outline of an embedded lighting fixture, and FIG. 2 is a top perspective view of a state in which a lamp is inserted into a light distribution control means.

  The lighting fixture is, for example, a downlight, 10 is a fixture main body, a socket 11 mounted in the fixture main body 10, a lamp 12 attached to the socket 11, is held by contacting the lamp 12, and A light distribution control means 13 that is detachably attached is provided. In the following description, the directional relationship such as the vertical direction will be described with the base side as one side and the light source side as the other side, based on the state in which the lamp 12 is mounted horizontally.

  The instrument main body 10 is formed in a substantially cylindrical shape having an instrument main body peripheral wall 10a bent in a curved shape from one side closed to the other side by a resin, and a light projecting opening 10b surrounded by the instrument main body peripheral wall 10a. The inner surface is formed with a reflecting surface by metal vapor deposition or the like so as to have a reflecting action. A peripheral edge 10c is integrally formed around the projection opening 10b. On one side of the instrument body 10, a connection unit 10d that has a screw hole (not shown) for attaching the socket 11 and the like and that can be connected to the lighting unit is attached. In addition, a pair of attachment springs (not shown) for fixing the instrument body embedded in the ceiling and the ceiling back surface are attached.

  In the instrument body 10, a light distribution control means 13 having a resinous light guide property is disposed. On one side of the light distribution control means 13, there is a substantially circular opening 13a through which the cylindrical protrusion 12a on the lamp 12 base side can be inserted, and around the opening 13a, an annular contact part 13b, It has a peripheral side portion 13d so as to expand substantially from the abutting portion 13b toward the light projecting opening portion 13c located on the other side, and is formed in a shape that can be inserted into the instrument body 10. In addition, a frame portion 13e that covers the peripheral edge 10c of the instrument body 10 is formed around the light distribution control means 13 from the light projecting opening 13c. In the light distribution control means 13 of the present embodiment, a plurality of notches 13e are formed in the circumferential direction of the opening 13a.

  The socket 11 is formed with a hole facing a screw hole (not shown) formed on one side of the instrument body 10 and is attached to the instrument body 10 with a screw or the like.

  Further, in the center of the socket 10, a central opening 11a into which the protruding portion 12a of the lamp 12 can be inserted and a pair of connection holes facing the lamp pin 12b are formed penetrating in the vertical direction.

  The lamp 12 is formed on the upper side of one side to have an outer shape of a GX53 type cap part of about 70 to 75 mm, and a glove 12b that covers an LED (not shown) is attached to the lower side that is the other side, and a lighting circuit is accommodated therein. Yes.

  An annular portion 12c that contacts the contact portion 13b of the light distribution control means 13 is formed in the base portion of the lamp 10, and a cylindrical shape that is inserted from the center of the annular portion 12c into the central opening 11a of the socket 11. A protruding portion 12a is formed. Moreover, it is formed in a substantially cylindrical shape from the annular portion 12c of the base portion to the light emitting portion, and a plurality of heat radiation fins are formed in an upper side region including the annular portion 12c that is the side of the base that forms a cylindrical shape.

  A pair of conductive metal lamp pins 12b are arranged on the annular portion 12c so as to protrude. Each lamp pin 12b is inserted into each connection hole of the socket 11, and the lamp pin 12b is moved to the connection hole by rotating the lamp 12, so that the lamp pin 12b is electrically contacted with the receiver and the edge of the connection hole. And the lamp 12 is held in the socket 11.

  The globe 12b is made of a transparent resin having translucency or a synthetic resin having light diffusibility.

  Next, the operation of the first embodiment will be described.

  First, the socket 11 is disposed on the upper surface of the instrument body 10 and attached with screws or the like. Next, the projection 12a of the lamp 12 and the lamp pin 12b are inserted into the opening 13a of the light distribution control means 13 through the light projecting opening 13c of the light distribution control means 13, and the lamp 12 With the annular portion 12c and the contact portion 13b of the light distribution control means 13 in contact with each other, the lamp 12 is attached to the socket 11 so that the lower surface of the lamp 12 is pushed up from the light distribution control means 13 light projecting opening 13c.

  In this way, the opening 13a of the light distribution control means 13 is formed so that the projection 12a of the lamp 12 can be inserted, and the contact portion 13b is formed around the opening 13a. The light distribution control means 13 is inserted into the light projection opening 13c of the means 13 and the contact surface of the lamp 12 annular part 12c and the light distribution control means 13 are brought into contact with each other. The light distribution control means 13 can be held. Further, since the notched portion 13e is formed in the contact portion 13b of the light distribution control means 13, it is conceivable that the heat generated from the lighting lamp 12 is radiated through the gap between the notched portions 13e. Furthermore, the user can easily obtain a desired light distribution, and the parts such as the instrument body 10 can be shared, so that the cost can be reduced. Furthermore, in addition to the direct light distribution unique to the downlight, soft light emitted from the light distribution control means 13 can be emitted to the ceiling surface and downward.

  FIG. 3 is a perspective view showing another light distribution control means 13. Except for the shape of the contact portion 13b of the light distribution control means 13 in FIG. 3, it is the same as the luminaire 10 shown in FIGS. 1 and 2, and will be described using the same reference numerals.

  The light distribution control means 13 shown in FIG. 3 is made of a resin having translucency and light guiding properties, and has a hollow cylindrical peripheral wall portion 13d having an inner diameter slightly larger than the outer diameter of the lamp 12, and one of the peripheral wall portions 13d. On the side, a contact portion 13b that extends from the peripheral wall portion 13d and contacts the annular portion 12c of the lamp 12 is formed, and an opening that is surrounded by the contact portion 13b and through which the lamp 12 protruding portion 12a can be inserted 13a is formed. The other side of the peripheral wall portion 13d extends from the peripheral wall portion 13d and extends integrally from the periphery of the light projection opening portion 13c in the peripheral portion 10c direction formed in the light projection opening portion 10b circumferential direction. In addition, a frame portion 13f having a thickness from the ceiling surface to the other side is formed.

  In this way, by providing the light distribution control means 13 with a thickness in the frame portion 13f, in addition to the irradiation in the direct downward direction emitted from the lamp, the soft light emitted from the frame portion 13f of the light distribution control means 13 is emitted. It is possible to irradiate more light in the direct downward direction and the ceiling surface. Further, the space surrounded by the peripheral wall portion 13d of the light distribution control means 13 is made substantially equal to the lamp diameter, and the contact area is widened, so that rattling at the time of mounting the lamp 12 and the light distribution control means 13 is reduced. Can be suppressed. Further, when the lamp 12 is removed, it is possible to remove the lamp by rotating the frame portion 13f of the light distribution control means 13 in the lamp removal direction.

  10 ... lighting fixture, 11 ... socket, 12 ... lamp, 12c ... annular part, 13 ... light distribution control means, 13b ... contact part

Claims (2)

An instrument body having a socket attached to one side and an opening on the other side;
A flat lamp having a cylindrical protrusion at the center of one surface and a base having an annular portion formed around the column, and having a light source on the other surface;
A light distribution control that has a contact portion that contacts the lamp annular portion on one side, surrounds the lamp with a peripheral wall portion extending from one side to the other side, and is detachably disposed in the fixture body With means;
A lighting device comprising: The luminaire according to claim 1, wherein a frame portion is integrally formed around the irradiation surface of the light distribution control means.

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