JP6355048B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture in which a fixture main body is attached to a construction material, a power supply portion and a light emitting portion are provided on the fixture main body, and the light emitting portion is covered with a translucent glove.

In a lighting fixture, a number of LED (Light-emitting Diode) chips are mounted on a circuit board, and the circuit board is attached to a metal fixture body in a state of being covered with a translucent cover. One in which a glove is detachably supported is known (Patent Document 1).
A plurality of engaging portions are attached to the outer peripheral portion of the instrument body, and a glove is detachably supported by the plurality of engaging portions.

JP 2012-146666 A

  However, the lighting fixture of Patent Document 1 has to prevent a reduction in the number of parts because it is necessary to provide a plurality of engaging portions on the fixture body in order to fix the globe to the fixture body. Moreover, the operation | work which attaches a some engaging part to an instrument main body is needed, and became the hindrance which reduces an assembly process.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting apparatus that can reduce the number of parts and the assembly process.

  The lighting fixture of the present invention is a fixture main body supported by a construction material, a power supply unit and a light emitting portion provided on the opposite side of the construction material in the fixture main body, a translucent cover that covers the light emitting portion, A translucent glove that covers the opposite side of the instrument body from the construction material; and an engagement part that is provided on the instrument body on the opposite side of the construction material and that is detachably engaged with the glove. , And the translucent cover and the engaging portion are integrally formed.

  According to the lighting fixture of the present invention, it is possible to provide a lighting fixture that can reduce the number of parts and reduce the assembly process.

The disassembled perspective view which shows the state which looked at the lighting fixture which concerns on this invention from the downward direction Sectional drawing which shows the state which assembled | attached the lighting fixture of FIG. Part I enlarged view of FIG. The top view which shows the state which removed the glove from the lighting fixture which concerns on this invention The perspective view which shows the state which looked at the glove of FIG. 1 from upper direction

Hereinafter, the lighting fixture according to the embodiment will be described with reference to the drawings.
(Embodiment)
As shown in FIG. 1, the lighting fixture 10 is supported by the fixture main body 14 so as to bypass the fixture main body 14 attached to the ceiling 11 as a construction material and the fixture attachment portion 14 </ b> A provided at the center of the fixture main body 14. The circuit board 16 is provided.
A ceiling side attachment member 12 is attached to the ceiling 11. The lighting fixture side mounting member 15 is attached and housed inside the fixture mounting portion 14A. The lighting fixture 10 is fixed to the ceiling 11 by attaching the lighting fixture-side mounting member 15 to the ceiling-side mounting member 12.
In the state where the instrument main body 14 is attached to the ceiling 11, no wobbling or the like occurs due to the cushion 13 (see also FIGS. 2 and 3) interposed between the ceiling 11 and the instrument main body 14.

Furthermore, the lighting fixture 10 includes a power supply area cover 19 that covers the power supply area 17 of the circuit board 16 and a translucent cover 23 that covers the light emitting area 18 of the circuit board 16.
In addition, the luminaire 10 is detachably attached to the plurality of arm portions 31 extended from the translucent cover 23, the plurality of engagement portions 26 provided on each arm portion 31, and the engagement portion 26. And a glove 25 to be provided.

  The instrument body 14 is formed in a disk shape in plan view (see FIG. 1), and a contact surface 21 (see FIG. 1) that bulges toward the circuit board 16 around the lighting fixture side mounting member 15 provided in the instrument mounting portion 14A. 1), and a bent curved surface 22 that is bent in an inclined manner from the outer edge of the contact surface 21, and a protruding surface 32 that extends horizontally outward from the outer edge of the bent curved surface 22 in the radial direction.

  In addition, although embodiment demonstrates the example which attaches the disk-shaped instrument main body 14 directly to the ceiling 11 as a construction material in planar view, it does not limit to this and uses a square-shaped instrument main body in planar view. Applicable to the case. Further, the present invention can be applied to the case where the engaging member is engaged with the ceiling side mounting member 12 and the instrument main body 14 is suspended by the electric wire via the engaging member. Moreover, it is applicable also when hanging the instrument main body 14 from the ceiling 11 using a chain, a wire, etc.

The ceiling side mounting member 12 is connected to an electric wire on the back side of the ceiling 11. The lighting fixture side attachment member 15 has a connector-attached wiring (not shown) drawn out below the fixture body 14.
Accordingly, the lighting fixture side mounting member 15 is connected to the ceiling side mounting member 12, and the wiring connector of the lighting fixture side mounting member 15 is connected to the connector 28 (see FIGS. 2 and 3) provided on the circuit board 16. Thus, the electric wire and the circuit board 16 are electrically connected on the back side of the ceiling 11.
In addition, the ceiling side attachment member 12 and the lighting fixture side attachment member 15 are abbreviate | omitted in FIG. 2, FIG.

The circuit board 16 has a hollow portion 29 corresponding to the instrument mounting portion 14A of the instrument body 14 and is formed in a substantially donut shape. The circuit board 16 has a back surface 16A on the side of the instrument body 14 and a surface 16B on the side opposite to the instrument body 14.
A power source region 17 and a light emitting region 18 are provided on the surface 16B. A light emitting region back surface 16C corresponding to the light emitting region 18 is formed on the back surface 16A.

On the surface 16 </ b> B of the circuit board 16, a power source region 17 is provided on the instrument mounting portion 14 </ b> A side of the instrument main body 14, and a light emitting region 18 is provided outside the power source region 17. The power source region 17 is formed in a ring shape in a region near the device mounting portion 14A of the device main body 14, and the light emitting region 18 is formed in a ring shape in a region far from the device mounting portion 14A of the device main body 14.
Therefore, since the power source region 17 and the light emitting region 18 can be connected by a circuit pattern, it is not necessary to connect the power source region 17 and the light emitting region 18 with a harness as in the prior art, and the number of components can be reduced.

The power source area 17 is formed on the instrument mounting portion 14A side of the instrument main body 14, and the light emitting area 18 is formed away from the instrument mounting portion 14A of the instrument main body 14, so that the power source area 17 and the light emitting area 18 are in the vertical direction. Arranged so as not to overlap.
A large number of electronic components 34 (including the connector 28) as the power supply unit 33 are mounted in the power supply region 17.

  In addition, a large number of LED chips 37 serving as the light emitting unit 36 are mounted in the light emitting region 18. A power supply unit 33 is connected to each LED chip 37 with a circuit pattern 38, and each LED chip 37 emits light by power supplied from the power supply unit 33.

Thus, the power supply unit 33 and the light emitting unit 36 are mounted on the single circuit board 16 so as not to overlap each other. Therefore, the two circuit boards for the power supply unit 33 and the light emitting unit 36 that have been conventionally required can be combined into a single circuit board 16.
As a result, the number of parts can be reduced, and connection work between the power supply unit 33 and the light emitting unit 36 is not required, and assembly can be facilitated.

In addition, the contact surface 21 of the instrument main body 14 is in contact with the light emitting region back surface 16 </ b> C of the back surface 16 </ b> A of the circuit board 16. Therefore, the contact surface 21 is in contact with a portion corresponding to the circuit pattern of the light emitting unit 36 connecting the LED chips 37 in the light emitting region back surface 16C.
Thereby, the heat of the circuit board 16 can be efficiently radiated to the contact surface 21.

As shown in FIGS. 3 and 4, the power supply region 17 of the circuit board 16 is covered with a power supply region cover 19 from below. Further, the light emitting region 18 (that is, the light emitting portion 36) of the circuit board 16 is covered with the translucent cover 23.
The translucent cover 23 is made of a resin material that is transparent, satin, milky white, or the like. The translucent cover 23 includes an outer flange portion 51 and an inner flange portion 52 that are in contact with the surface 16 </ b> B of the circuit board 16, and a dome portion 53 that is supported by the outer flange portion 51 and the inner flange portion 52.

  The outer flange 51 includes a flat flange flat portion 51A formed along the surface 16B of the circuit board 16, and a flange inclined portion 51B formed along the folding surface 22 of the instrument body 14 from the flange flat portion 51A. Have. The outer collar part 51 is formed in a substantially V-shaped cross section by the collar flat part 51A and the collar inclined part 51B.

  A plurality of arm portions 31 are extended horizontally along the surface shape of the overhanging surface 32 of the instrument main body 14 along the radial direction from the outer peripheral edge of the flange inclined portion 51B. An engagement portion 26 is provided at the tip of each arm portion 31, and the plurality of engagement portions 26 are disposed on the opposite side of the instrument body 14 from the ceiling 11 (see FIG. 1). That is, the translucent cover 23 and the engaging portion 26 are connected by the arm portion 31.

  The plurality of arm portions 31 and the plurality of engaging portions 26 are formed integrally with the translucent cover 23 to be transparent, satin, milky white, or the like. The engaging portion 26 is formed in a substantially U-shaped cross section so as to open outward, and the engaging protrusion 25A of the globe 25 is disposed inside the substantially U-shaped cross section. Thereby, the engagement protrusion 25A of the globe 25 is detachably engaged with the plurality of engagement portions 26.

  By forming the plurality of arm portions 31 and the plurality of engaging portions 26 integrally with the translucent cover 23, it is not necessary to separately provide the plurality of arm portions 31 and the plurality of engaging portions 26, thereby reducing the number of parts. it can. Furthermore, the operation | work which assembles the some arm part 31 and the some engaging part 26 can be omitted, and an assembly process can be reduced.

  A plurality of arm portions 31 and a plurality of engaging portions 26 are formed integrally with the translucent cover 23 to be transparent, satin, milky white, or the like. Thereby, it can suppress that the image of the some arm part 31 and the some engaging part 26 is projected on the globe 25, and it is projected as a shadow with the light emitted from the LED chip 37 of the light emission part 36.

  In addition, a plurality of arm portions 31 are extended horizontally along the overhanging surface 32 of the instrument main body 14. For this reason, it can suppress more favorably that the image of the some arm part 31 is reflected on the globe 25 as a shadow.

  As shown in FIGS. 2 and 5, the globe 25 has a milky white light projecting property and is formed in a substantially hemispherical shape so as to wrap the circuit board 16, the power supply area cover 19, the translucent cover 23, and the like from below. Has been. The globe 25 has a plurality of engaging projections 25A projecting radially inward from the inner periphery of the upper opening 25B. The plurality of engagement protrusions 25A are detachably engaged with the plurality of engagement portions 26.

By lifting the glove 25 to the instrument body 14 and rotating the raised glove 25 in the horizontal direction, the engagement protrusions 25 </ b> A are engaged with the plurality of engagement portions 26. Thereby, the globe 25 is attached to the plurality of engaging portions 26.
In this state, the side of the instrument body 14 opposite to the ceiling 11 is covered with the globe 25, and the circuit board 16, the power supply area cover 19 and the translucent cover 23 are covered with the globe 25 from below.

  As described above, the lighting fixture 10 of the embodiment includes the fixture main body 14 supported by the ceiling 11, and the power supply unit 33 and the light emitting unit 36 provided on the opposite side of the fixture main body 14 from the ceiling 11. Yes.

  The lighting fixture 10 includes a translucent cover 23 that covers the light emitting unit 36 and a translucent globe 25 that covers the opposite side of the fixture body 14 from the ceiling 11. Moreover, the lighting fixture 10 is provided in the fixture main body 14 on the opposite side to the ceiling 11, and is provided with the engaging part 26 with which the globe 25 is detachably engaged. Furthermore, the translucent cover 23 and the engaging part 26 are integrally formed.

  Moreover, preferably, the lighting fixture 10 has the arm part 31 which connects the translucent cover 23 and the engaging part 26, and the arm part 31 follows the surface shape on the opposite side to the ceiling 11 in the instrument main body 14. FIG. ing.

In addition, the lighting fixture of this invention is not limited to embodiment mentioned above, A change, improvement, etc. are possible suitably.
For example, the shape and configuration of the lighting fixture, construction material, fixture body, power source region, light emitting region, translucent cover, glove, engagement portion, electric wire, arm portion, power source portion, light emitting portion, etc. used in the above embodiment are It is not limited to what was illustrated and can be changed as appropriate.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Ceiling 14 Appliance main body 17 Power supply area 18 Light emission area 23 Translucent cover 25 Globe 26 Engagement part 27 Electric wire 31 Arm part 33 Power supply part 36 Light emission part

Claims (2)

An instrument body supported by construction materials;
A power supply unit and a light emitting unit provided on the opposite side of the construction material in the instrument body;
A translucent cover covering the light emitting part;
A glove having translucency covering the opposite side of the construction material in the instrument body;
An engagement portion provided on the opposite side to the construction material in the instrument main body, and the glove is detachably engaged;
The lighting fixture in which the said translucent cover and the said engaging part are integrally molded. The lighting fixture according to claim 1,
An arm portion for connecting the translucent cover and the engaging portion;
The said arm part is a lighting fixture which follows the surface shape on the opposite side to the said construction material in the said fixture main body.

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