JP6403113B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture provided with a power line extending from a fixture main body fixing member to a fixture main body.

  As a lighting fixture, a cylindrical fixture mounting portion is provided in the central through hole of the fixture body, a light source portion is supported around the fixture mounting portion, and a power line is electrically connected to the light source portion. ing. A power line drawn out into the instrument body through the cylindrical instrument mounting part is electrically connected to the light source part through the power circuit (Patent Document 1).

JP2013-168245A

By the way, as for the lighting fixture of patent document 1, a power source wire is pulled out in a fixture main body through the inside of a cylindrical fixture mounting part. The length of the power supply line is usually set to a length so as not to be connected to the connection location. For this reason, after the connection, it is conceivable that an extra length portion, which is an extra length portion of the power supply line, protrudes downward from the tubular instrument mounting portion. When the surplus length portion of the power supply line protrudes from the cylindrical instrument mounting portion, there is a possibility that light emitted from the light source portion may be blocked by the surplus length portion of the power supply line. Furthermore, there is a possibility that the radio wave output from the remote control operation unit is blocked by the extra length of the power line, and it becomes difficult to maintain the remote control sensitivity appropriately.
In addition, even if the extra length of the power line protrudes at a position where it does not block the light from the light source or at a position where it does not block the remote control light receiver, the shadow of the extra length of the power line appears in the cover that covers the light source. Can be considered.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting fixture in which downward protrusion due to an extra length portion of a power supply line is suppressed.

The lighting fixture of the present invention is fixed to the fixture main body supported by the mounted portion, the cylindrical fixture mounting portion provided in the through hole formed in the central portion of the fixture main body, and the fixture mounting portion. A fixture body fixing member that can be fixed to a fixture portion fixing member provided in the fixture portion, and provided around the fixture attachment portion, provided on the opposite side of the fixture body from the fixture portion. A light source part, a power source line connecting the fixture body fixing member and the light source part, and a protrusion provided inside the instrument mounting part and to which an extra length part of the power source line is locked , The light source part is formed in a planar shape that bypasses the instrument mounting part, and is mounted on the circuit board supported by the instrument body, and on the surface of the circuit board opposite to the instrument body. Covers the power supply unit provided in the area close to A light source cover that covers a light emitting part provided in a region far from the instrument mounting part on the surface of the circuit board, and the power supply part is mounted on the circuit board. A nightlight and a remote control light receiving portion, a wall portion surrounding the nightlight and the remote control light receiving portion, and a translucent member covering the nightlight and the remote control light receiving portion, and the translucent member includes the power source The night light is disposed on the axis side of the fixture mounting portion, the remote control light receiving portion is disposed closer to the light emitting portion than the night light, and the inner wall of the wall portion is exposed to the outside. The part is projected below the outer wall part of the wall part .

  According to the lighting fixture of the present invention, it is possible to provide a lighting fixture in which downward protrusion due to the extra length of the power supply line can be suppressed.

The exploded perspective view which shows the lighting fixture which concerns on this invention The perspective view which shows the state which assembled | attached the lighting fixture of FIG. The side view which shows the state which attached the lighting fixture of FIG. 2 to the ceiling as a construction material which is a to-be-attached part. Sectional drawing which shows the principal part of the lighting fixture of FIG. The bottom view which shows the state which removed the power supply part cover and the light emission part cover from the lighting fixture of FIG. The perspective view which shows the light emission part cover of the lighting fixture of FIG. 2 with an imaginary line Part I enlarged view of FIG. The perspective view which shows the state fractured | ruptured by the II-II line of FIG. Part III enlarged view of FIG. Sectional drawing which shows the modification of the projection part of embodiment

Hereinafter, the lighting fixture according to the embodiment will be described with reference to the drawings.
(Embodiment)
As shown in FIGS. 1 and 2, the lighting fixture 10 includes a fixture main body 12 that is attached to a ceiling 11 as a construction material that is an attached portion, and a cylindrical fixture attachment portion 13 that is provided at the center of the fixture main body 12. And. In addition, an instrument main body fixing member 15 (so-called adapter) is attached to the instrument mounting portion 13, and the instrument main body fixing member 15 is fixed to an attached portion fixing member 14 (so-called hook ceiling) shown in FIG.

The construction material is, for example, a member that forms the ceiling 11 such as a living room, bedroom, or entrance of a house. An instrument body 12 is supported on the ceiling 11.
A through hole 17 is formed at the center of the instrument main body 12, and the through hole 17 is disposed inside the instrument mounting portion 13.

As shown in FIG. 3, the attached portion fixing member 14 is provided on the ceiling 11, and the fixture body fixing member 15 is fixed to the attached portion fixing member 14, whereby the lighting fixture 10 is attached to the ceiling 11. The attached portion fixing member 14 is connected to the electric wire on the back side of the ceiling 11.
In a state where the lighting fixture 10 (that is, the fixture main body 12) is attached to the ceiling 11, no wobble or the like occurs due to the cushion 19 interposed between the ceiling 11 and the fixture main body 12.

In addition, although embodiment demonstrates the example which attaches the disk-shaped instrument main body 12 (refer FIG. 1) directly to the ceiling 11 in planar view, it is not limited to this, A square-shaped instrument main body is seen in planar view. Applicable when used.
Further, the present invention can be applied to the case where the engaging member is engaged with the ceiling side mounting member and the instrument body 12 is suspended by the electric wire via the engaging member. Moreover, it is applicable also when hanging the instrument main body 12 from the ceiling 11 using a chain, a wire, etc.

  In addition, as shown in FIG. 4, the luminaire 10 includes a cylindrical insulating portion (appliance mounting portion) 21 provided outside the fixture mounting portion 13, and a light source portion 23 that is arranged so as to go around the insulating portion 21. And. The luminaire 10 also includes a power line 25 connected to the light source unit 23 and a protrusion 28 on which the extra length 26 of the power line 25 is locked.

Furthermore, the lighting fixture 10 is provided with the glove | globe 31 attached to the fixture main body 12, as shown in FIG. 2, FIG. The globe 31 is a milky white translucent member, and is detachably attached to the globe attachment member 32 of the instrument body 12 from below with engagement protrusions 33 (three of the six are used).
In this state, the instrument body 12, the light source unit 23, and the power line 25 are covered with the globe 31.

  As shown in FIGS. 4 and 5, the tubular insulating portion 21 is provided outside the through hole 17, the fixture mounting portion 13 and the fixture main body fixing member 15 of the fixture main body 12 and inside the light source portion 23. ing. That is, the light source unit 23 (specifically, the power supply unit 42) is arranged so as to go around the insulating unit 21, and the power supply unit 42 and the inside of the insulating unit 21 are insulated by the insulating unit 21.

A light source unit 23 is arranged so as to go around the insulating unit 21. The light source unit 23 is supported on the surface 12 </ b> A on the opposite side of the ceiling 11 in the instrument body 12. The power line 25 connected to the light source unit 23 is an electric wire with a connector drawn out from the instrument main body fixing member 15 to the lower side of the instrument main body 12.
The instrument main body fixing member 15 is connected to the attached portion fixing member 14, and the power supply line 25 is drawn downward from the instrument main body fixing member 15. The drawn power supply line 25 is connected to the circuit board 41 of the light source unit 23 as a connector, whereby the power supply line 25 and the circuit board 41 are electrically connected.

Here, it is conceivable that the extra length portion 26 of the power supply line 25 hangs downward from the lower end portion 21 </ b> A of the insulating portion 21 in a state where the power supply line 25 is connected to the circuit board 41.
Therefore, a protrusion 28 is provided inside the insulating portion 21, and the extra length 26 of the power supply line 25 is locked to the protrusion 28. The protruding portion 28 is continuous in a frame shape along a surface (surface in the direction of arrow A) orthogonal to the axis 35 of the instrument mounting portion 13 at the lower end portion 21 </ b> A of the insulating portion 21.

The protruding portion 28 is provided inside the insulating portion 21 by projecting from the inner surface of the lower end portion 21 </ b> A of the insulating portion 21 toward the axis 35 in a substantially crank-shaped cross section. By placing the extra length portion 26 of the power supply line 25 on the bottom portion 28 </ b> A of the projection portion 28, the extra length portion 26 of the power supply line 25 is locked to the projection portion 28.
Therefore, the surplus length part 26 of the power supply line 25 can be accommodated in the insulating part 21, and the downward projection by the surplus length part 26 of the power supply line 25 is suppressed.

  Further, the protrusions 28 were made continuous in a frame shape, and the continuous protrusions 28 were placed along a plane orthogonal to the axis 35 of the instrument mounting part 13. Thereby, the surplus length part 26 of the power supply line 25 can be easily and reliably locked to the continuous projection part 28.

As shown in FIGS. 1 and 5, the light source unit 23 includes a circuit board 41 supported by the instrument body 12, a power source cover 43 that covers the power source unit 42 of the circuit board 41, and a light emitting unit 44 of the circuit board 41. And a light emitting unit cover 45 for covering.
A recess 47 (see FIG. 7) is formed outside the tubular insulating portion 21 on the surface 12 </ b> A opposite to the ceiling 11 of the instrument body 12, and the circuit board 41 is supported by the recess 47.

  The circuit board 41 has an opening 41A at the center and an outer edge 41B formed in a substantially octagonal shape with a plurality of straight edges and a plurality of curved edges. The opening 41 </ b> A of the circuit board 41 is disposed outside the insulating part 21. That is, the circuit board 41 is formed in a planar shape that bypasses the instrument mounting portion 13 (specifically, the insulating portion 21), and is supported by the surface 12A of the instrument body 12.

  On the surface 41 </ b> C on the opposite side of the instrument body 12 in the circuit board 41, the power supply part 42 is provided in a ring shape in a region close to the instrument mounting part 13 (insulating part 21). On the surface 41 </ b> C of the circuit board 41, a light emitting unit 44 of an LED (Light-emitting Diode) is provided in a ring shape in a region far from the instrument mounting unit 13.

That is, the power supply unit 42 and the light emitting unit 44 are integrally formed on the circuit board 41, and the circuit board of the power supply unit 42 and the circuit board of the light emitting unit 44 are formed in a double ring shape.
Light emitted from the light emitting unit 44 passes through the light emitting unit cover 45 and the globe 31 and is emitted into the living room, bedroom, entrance, and the like of the house. The light emitting unit cover 45 is formed in an annular shape, and the vicinity of the inner edge 45C of the light emitting unit cover 45 is attached to the surface 41C of the instrument body 12 with a plurality of screws 51.

As shown in FIGS. 6 and 7, a plurality of convex portions 48 are provided at positions corresponding to the outer edge portion 41 </ b> B of the circuit board 41 in the concave portion 47 of the instrument body 12. The plurality of convex portions 48 are arranged at positions facing the surface 45 </ b> A on the light emitting portion 44 side of the light emitting portion cover 45.
Therefore, when the outer edge portion 45B of the light emitting portion cover 45 is deformed in the arrow B direction, the deformation of the outer edge portion 45B in the arrow B direction can be restricted by the convex portion 48. Thereby, it can prevent that the outer edge part 45B of the light emission part cover 45 contacts the light emission part 44. FIG.

  In addition, since the plurality of convex portions 48 are provided in the concave portion 47 of the instrument body 12, the interval between the light emitting unit cover 45 and the convex portions 48 can be suppressed to be small. Thereby, it is possible to suppress the fingers 48 and the like from entering between the light emitting unit cover 45 and the projections 48 toward the circuit board 41 with the projections 48.

Further, a stepped portion 49 is formed at a position corresponding to the outer edge portion 45 </ b> B of the light emitting portion cover 45 in the concave portion 47 of the instrument main body 12. By arranging the light emitting part cover 45 in the concave portion 47 of the instrument main body 12, the outer edge part 45B of the light emitting part cover 45 is covered with the step part 49 from the outer peripheral side.
Thereby, even if the outer edge portion 45B of the light emitting portion cover 45 is deformed in the direction of arrow C, it is possible to prevent a finger or the like from entering the circuit board 41 side from between the outer edge portion 45B of the light emitting portion cover 45 and the stepped portion 49. .

  As described above, the plurality of convex portions 48 are provided in the concave portion 47 of the instrument main body 12, and the stepped portion 49 is provided in the instrument main body 12. Thereby, the screw which attaches the outer edge part 45B of the light emission part cover 45 to the instrument main body 12 can be made unnecessary, and a number of parts can be reduced.

  The power supply cover 43 is formed in a substantially dome shape (that is, a substantially hemispherical shape). The power source cover 43 has an outer peripheral portion 43A provided at a boundary 41D between the power source portion 42 and the light emitting portion 44 in the surface 41C of the circuit board 41, and an inner peripheral portion 43B is engaged with the lower end portion 21A of the insulating portion 21. Yes. An opening 52 is formed in the power source cover 43.

  As shown in FIGS. 8 and 9, the power supply unit 42 includes an LED night light 54 and a remote control light receiving unit 55 mounted on a position corresponding to the opening 52 in the circuit board 41, and an night light 54 and a remote control light receiving unit 55. And a wall portion 56 surrounding the. In addition, the power supply unit 42 includes a translucent member 57 that covers the nightlight 54 and the remote control light receiving unit 55.

The nightlight 54 is disposed on the insulating portion 21 (that is, the axis 35 of the fixture mounting portion 13) side, and the remote control light receiving portion 55 is disposed on the light emitting portion 44 side from the nightlight 54. The light emitted from the nightlight 54 passes through the translucent member 57 and the globe 31 and is emitted into the living room, bedroom, entrance, and the like of the house.
A notification unit 58 is mounted on a portion of the circuit board 41 adjacent to the nightlight 54. The notification unit 58 is used for a brightness sensor, a buzzer, a speaker, and the like.

  The wall portion 56 is formed in a substantially rectangular shape in plan view so as to surround the nightlight 54 and the remote control light receiving portion 55 (see also FIG. 1), and is opened so that the lower portion is exposed to the outside. Since the nightlight 54 and the remote control light receiving portion 55 are surrounded by the wall portion 56, insulation of the nightlight 54 and the remote control light receiving portion 55 is ensured.

Further, the inner wall portion 56 </ b> A on the insulating portion 21 (i.e., the axis 35 of the instrument mounting portion 13) side of the wall portion 56 protrudes downward from the outer wall portion 56 </ b> B of the remote control light receiving portion 55.
A translucent member 57 is accommodated in the wall portion 56, and the nightlight 54 and the remote control light receiving portion 55 are covered with the translucent member 57. The bottom portion 57 </ b> A of the translucent member 57 is disposed in the opening of the wall portion 56.

The translucent member 57 has a bottom portion 57 </ b> A exposed to the outside from an opening 52 provided in the power supply unit cover 43. Thereby, the light 61 irradiated from the nightlight 54 can be suitably emitted through the translucent member 57 to the interior of the living room, bedroom, entrance, etc. of the house.
In addition, radio waves output from a remote control operation unit (not shown) can be transmitted to the remote control light receiving unit 55 via the translucent member 57. Thereby, the remote control sensitivity of the lighting fixture 10 can be maintained suitably.

Further, a nightlight 54 is disposed on the insulating portion 21 (see FIG. 4) side, and a remote control light receiving portion 55 is disposed on the light emitting portion 44 side of the nightlight 54. Further, the inner wall portion 56A of the wall portion 56 projects downward from the outer wall portion 56B.
Therefore, the radio wave 62 output from the remote control operation unit can be transmitted to the remote control light receiving unit 55 by being reflected by the inner wall 56A and the outer wall 56B. Thereby, the remote control sensitivity of the lighting fixture 10 can be kept still more suitable.

Here, as shown in FIG. 4, the extra length portion 26 of the power supply line 25 is engaged with the protrusion 28 of the insulation portion 21, so that the extra length portion 26 of the power supply line 25 is accommodated inside the insulation portion 21. Thus, downward protrusion of the extra length portion 26 is suppressed. Therefore, the extra length portion 26 of the power line 25 can be avoided from the irradiation range of the light emitting portion 44 and the night light 54.
Thereby, it can prevent that the light irradiated from the light emission part 44 or the nightlight 54 is blocked | interrupted by the extra length part 26 of the power wire 25, and the light irradiated from the light emission part 44 or the nightlight 54 can be used as a living room or a bedroom in a house, It can be suitably emitted to the room such as the entrance.

  Further, since the surplus length portion 26 of the power supply line 25 is accommodated inside the insulating portion 21, radio waves output from the remote control operation portion can be prevented from being blocked by the surplus length portion 26 of the power supply line 25. Thereby, the remote control sensitivity of the lighting fixture 10 can be maintained suitably.

  In addition, since the extra length portion 26 of the power supply line 25 is accommodated in the insulating portion 21, it is possible to prevent the shadow of the extra length portion 26 of the power supply line 25 from appearing on the globe 31 that covers the light source portion 23. As a result, natural light can be projected onto the living room, bedroom, and interior of the entrance.

(Modification)
In the lighting fixture 10 according to the embodiment, the example in which the protrusions 28 are continued in a frame shape along the insulating portion 21 has been described. However, as illustrated in FIG. 10, a plurality of protrusions 65 may be continued at intervals. Is possible.
The plurality of protrusions 65 are formed at intervals along a surface orthogonal to the axis 35 of the instrument mounting portion 13 (see FIG. 4) at the lower end portion 21 </ b> A of the insulating portion 21.

By placing the surplus length portion 26 of the power supply line 25 on the plurality of projection portions 65, the surplus length portion 26 (see FIG. 4) of the power supply line 25 is locked to the projection portion 28.
Therefore, the surplus length part 26 of the power supply line 25 can be accommodated in the insulating part 21, and the downward projection by the surplus length part 26 of the power supply line 25 is suppressed.
It is also possible to provide only one protrusion 65 instead of the plurality of protrusions 65 at the lower end 21 </ b> A of the insulating part 21.

  As shown in FIGS. 1 and 4, the lighting fixture 10 described above is a cylindrical fixture provided in a fixture main body 12 supported by a ceiling 11 and a through-hole 17 formed in a central portion of the fixture main body 12. And an attachment portion 13. The lighting fixture 10 includes an fixture main body fixing member 15 that is fixed inside the fixture mounting portion 13 and that can be fixed to the attached portion fixing member 14 provided on the ceiling 11.

  Furthermore, the luminaire 10 is pulled out from the fixture body 15 and the light source portion 23 supported by the surface 12A opposite to the ceiling 11 of the fixture body 12 so as to go around the fixture mounting portion 13, and the light source portion 23. And a power line 25 connected to the. Moreover, the lighting fixture 10 is provided in the inside of the fixture attachment part 13, and is provided with the projection part 28 with which the extra length part 26 of the power wire 25 is latched.

  Preferably, the protrusion 28 is continuous in a frame shape along a plane orthogonal to the axis 35 of the instrument mounting portion 13.

The light source unit 23 has a circuit board 41 that is formed in a planar shape that bypasses the instrument mounting part 13 and is supported by the instrument body 12. In addition, the light source unit 23 includes a power supply unit cover 43 that covers a power supply unit 42 provided in a region close to the device mounting unit 13 on the surface 41C of the circuit board 41 opposite to the device main body 12. In addition, the light source unit 23 includes a light emitting unit cover 45 that covers the light emitting unit 44 provided in a region far from the instrument mounting unit 13 on the surface 41 </ b> C of the circuit board 41.
The convex portion 48 provided at a position corresponding to the outer edge portion 41 </ b> B of the circuit board 41 on the surface 12 </ b> A of the instrument main body 12 faces the surface 45 </ b> A on the light emitting portion 44 side of the light emitting portion cover 45.

The power supply unit 42 includes a night light 54 and a remote control light receiving unit 55 mounted on the circuit board 41, a wall 56 surrounding the night light 54 and the remote control light receiving unit 55, and a translucent member that covers the night light 54 and the remote control light receiving unit 55. 57.
The translucent member 57 is exposed to the outside from the opening 52 provided in the power source cover 43.

In addition, the lighting fixture of this invention is not limited to embodiment mentioned above, A change, improvement, etc. are possible suitably.
For example, in the above-described embodiment, an example in which the power supply unit 42 and the light emitting unit 44 are integrally formed in a double ring shape on the circuit board 41 has been described. Can also be formed on a separate circuit board.

  However, when the nightlight 54 and the remote control light receiving portion 55 of the power supply section 42 are surrounded by the wall portion 56 and the nightlight 54 and the remote control light receiving portion 55 are covered with the translucent member 57, the power supply portion 42, the light emitting portion 44, Is preferably formed integrally with the circuit board 41.

  Moreover, although the example which provides the projection part 28 in the insulating part 21 was demonstrated in the said embodiment, it is not limited to this, It is also possible to provide the projection part 28 in the instrument attachment part 13. FIG.

  Furthermore, the lighting fixture, construction material, fixture body, fixture mounting portion, construction material fixing member, fixture body fixing member, through-hole, insulating portion, light source portion, power supply line, extra length portion of the power supply line used in the embodiment, The shape and configuration of the projection, circuit board, power supply, power supply cover, light emitting part, light emitting part cover, convex part, nightlight, remote control light receiving part, wall part and translucent member are not limited to those illustrated. It can be changed as appropriate.

10 Lighting equipment 11 Construction material (ceiling)
DESCRIPTION OF SYMBOLS 12 Instrument body 12A Surface of instrument body 13 Instrument attachment part 14 Attachment part fixing member 15 Instrument body fixing member 17 Through-hole 21 Insulation part (instrument attachment part)
DESCRIPTION OF SYMBOLS 23 Light source part 25 Power supply line 26 Extra length part 28,65 Protrusion part 35 Axis line of instrument mounting part 41 Circuit board 41B Outer edge part of a circuit board 41C Circuit board surface 42 Power supply part 43 Power supply part cover 44 Light emission part 45 Light emission Part cover 48 convex part 52 opening of power supply part cover 54 night light 55 light receiving part for remote control 56 wall part 57 translucent member

Claims (3)

An instrument body supported by the mounted portion;
A cylindrical instrument mounting portion provided in a through-hole formed in the central portion of the instrument body;
An instrument body fixing member fixed inside the instrument mounting portion and fixable to a mounted portion fixing member provided in the mounted portion;
A light source provided on the opposite side of the instrument body from the mounted part;
A power line connecting the fixture body fixing member and the light source unit;
Provided inside the instrument mounting portion, and provided with a protruding portion to which the extra length portion of the power supply line is locked ,
The light source unit is
A circuit board that is formed in a planar shape that bypasses the instrument mounting portion and supported by the instrument body;
On the surface of the circuit board opposite to the appliance main body, a power supply cover that covers a power supply provided in a region close to the appliance mounting portion,
A light-emitting part cover that covers a light-emitting part provided in a region far from the instrument mounting part on the surface of the circuit board;
The power supply unit includes a nightlight and a remote control light-receiving unit mounted on the circuit board, a wall portion surrounding the nightlight and the remote control light-receiving unit, and a translucent member that covers the nightlight and the remote control light-receiving unit. Have
The translucent member is exposed to the outside from an opening provided in the power source cover,
The nightlight is disposed on the axis side of the fixture mounting portion, the remote control light receiving portion is disposed on the light emitting portion side from the nightlight, and the inner wall portion of the wall portion extends below the outer wall portion of the wall portion. and are lighting fixtures. The lighting fixture according to claim 1,
The said protrusion part is a lighting fixture which continues in frame shape along the surface orthogonal to the axis line of the said fixture attachment part. The lighting fixture according to claim 1 or 2 ,
Before SL protrusion provided at a position corresponding to the outer edge of the circuit board on the surface of the device body, luminaire facing surface of the light emitting portion side of the light emitting unit cover.

Images