JP2013145683A - Lighting fixture - Google Patents

Abstract

The present invention provides a lighting apparatus capable of efficiently illuminating a floor surface and a wall portion that are eccentric from directly below.
A light bulb-type LED lamp has an LED light source attached obliquely so that an irradiation direction from an LED light source is inclined or perpendicular to an axis of a base. Yes. Since the bulb-type LED lamp 30 has a pedestal 35 that rotates the LED light source 31, by rotating the pedestal 35, the irradiation direction of the light emitted from the LED light source 31 can be directed to a desired direction. A socket 21 for mounting the bulb-type LED lamp 30 is attached inside the appliance body 20, and a part of the bulb-type LED lamp 30 is attached from one end side where the irradiation opening 231 at the lower end portion of the appliance body 20 is provided. It protrudes. For this reason, since the light irradiated in the oblique direction from the light bulb-type LED lamp 30 can be emitted almost in the irradiation direction without being blocked by the ceiling or the like, it is possible to efficiently illuminate the floor surface and the wall portion that are eccentric from directly below. .
[Selection] Figure 1

Description

  The present invention relates to a downlight type luminaire using a bulb-type LED lamp.

2. Description of the Related Art Conventionally, there is known a downlight type lighting fixture that is attached to a mounting hole provided in a ceiling or the like and mainly illuminates the lower part (see, for example, Patent Document 1).
As shown in FIG. 6, the downlight type lighting fixture 100 described in Patent Document 1 includes a fixture main body 101, a reflecting mirror 102, a support member 103 that supports the reflecting mirror 102 on the fixture main body 101, and the inside of the main body of the reflecting mirror 102. The lamp 104 is disposed on the surface.

The instrument main body 101 is formed in a substantially inverted U-shaped frame having the top plate 105 and support legs 106 and 106 integrally at both ends of the top plate 105. A socket 107 is attached to the top plate 105 and accommodated in the instrument body 101.
The reflecting mirror 102 is positioned by inserting a support portion 108 provided at the upper end upward into the instrument body 101 and fitting the support portion 108 into a socket 107. At the same time, the reflecting mirror 102 is supported by inserting the convex portion 103 </ b> A of the support member 103 into the hole 108 </ b> A of the support portion 108.

JP 2008-10254 A (FIG. 1)

By the way, in the luminaire as described above, the lower part is mainly illuminated, and the lamp used irradiates light in all directions of 360 degrees.
Therefore, in order to illuminate a floor surface or a wall portion that is eccentric from right below by being attached to the ceiling, a reflecting mirror is attached obliquely to the ceiling or a lamp is attached obliquely.
However, lighting in the direction of the wall by attaching the reflecting mirror and the lamp obliquely as described above has a problem that the illumination efficiency is poor.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a lighting apparatus that can efficiently illuminate a floor surface or a wall surface that is eccentric from directly below.

  The lighting fixture of the present invention is provided on the opposite side of the LED light source, the translucent cover that houses the LED light source, the lamp body that holds the translucent cover, and the translucent cover of the lamp body. A bulb-type LED lamp in which the direction of irradiation from the LED light source is inclined or perpendicular to the axis of the die, and the cap of the bulb-type LED lamp is detachable A socket that is electrically connected to the light source, and an instrument body that includes a cylindrical part having an irradiation opening on one end side and that accommodates and supports the socket, and a part of the bulb-type LED lamp is the instrument. The main body projects from one end side where the irradiation opening is provided.

  Further, in the lighting fixture of the present invention, the light bulb type LED lamp has a pedestal for rotating the LED light source.

  Moreover, the lighting fixture of this invention has a protrusion part which protrudes in parallel with the axial center of the said nozzle | cap | die on the outer peripheral side of the said bulb-type LED lamp.

  Furthermore, the lighting fixture of this invention is provided in the outer side of the irradiation part which the said protrusion part is a wall part, and the light irradiated from the said light bulb type LED lamp is not interrupted | blocked.

  In the present invention, the LED light source is attached to the bulb-type LED lamp obliquely so that the irradiation direction from the LED light source is inclined or perpendicular to the axis of the base. In addition, a part of the bulb-type LED lamp is accommodated inside the instrument body so as to protrude from one end side where the irradiation opening of the instrument body is provided. For this reason, since light is irradiated from the light bulb-type LED lamp in an oblique direction, it is possible to provide a lighting apparatus having an effect of efficiently illuminating a floor surface or a wall surface decentered from directly below.

Sectional drawing of the lighting fixture of embodiment which concerns on this invention The disassembled perspective view of the lighting fixture of embodiment which concerns on this invention (A) is a side view of an LED bulb, (B) is a cross-sectional view Side view showing another example of LED bulb (A) is a side view which shows the light distribution state by the lighting fixture of embodiment which concerns on this invention, (B) is the perspective view seen from diagonally downward, (C) is the bottom view seen from the downward | lower direction (A) is sectional drawing of the conventional downlight type lighting fixture, (B) is the side view seen from B direction in (A), (C) is the side view seen from C direction in (A). Figure

Hereinafter, the lighting fixture of embodiment which concerns on this invention is demonstrated using drawing.
As shown in FIG. 1, a lighting fixture 10 according to an embodiment of the present invention is attached to a mounting hole 12 provided in a ceiling 11 that is a mounted portion, and is mainly a wall washer type that illuminates a lower part, a wall surface, and the like. It can be used as a downlight.

  As shown in FIGS. 1 and 2, the lighting fixture 10 includes a fixture main body 20 attached to the attachment hole 12, a socket 21 attached to the inside of the fixture main body 20, and an LED bulb (bulb-type LED) attached to the socket 21. Lamp) 30.

The instrument main body 20 includes a disk-shaped top plate 22 and a truncated cone-shaped cylindrical portion 23 that extends downward from the outer peripheral portion of the top plate 22.
A socket 21 is attached to the center CL position of the instrument body 20 on the lower surface of the top plate 22.
The diameter of the peripheral wall of the cylindrical portion 23 is increased downward, and the lower end is opened downward (irradiation opening 231). The irradiation opening 231 is provided with a flange 24 that protrudes horizontally outward. The flange portion 24 is exposed in contact with the lower surface of the ceiling 11 in a state where the instrument body 20 is attached to the attachment hole 12.
The cylindrical portion 23 may have a polygonal cross section in addition to the circular cross section as described above.

  As shown in FIG. 3, the LED bulb 30 includes an LED (LED light source) 31, a translucent cover 32 that houses the LED 31, a lamp body 33 that rotatably holds the translucent cover 32, and a lamp body 33. Having a base 34 attached to. The base 34 is screwed into the socket 21 and is supplied with lighting power.

The lamp main body 33 has a diameter-expanding taper surface linearly from the upper end on the base 34 side toward the lower end, and has a truncated cone shape.
As shown in FIG. 4, the present invention includes a case where the lamp main body 33 </ b> B is an LED bulb 30 </ b> B that is not linear but expands in a curved shape recessed inward.
The present invention can also be applied to an LED bulb in which a heat dissipation fin is provided on the tapered surface of the lamp body.
In the following description, the case where the LED bulb 30 shown in FIG. 3 is used will be described.

Below the lamp body 33, a rear wall 36 is provided on the rear side (opposite to the irradiation direction of the LED 31), and a support wall 361 is provided on the front portion of the rear wall 36 in an inclined manner. A pedestal 35 is rotatably supported on the support wall 361, and the LED 31 is attached to the pedestal 35.
Therefore, the LED 31 emits light in an oblique direction. For this reason, the irradiation direction of the LED bulb 30 is inclined or perpendicular to the direction of the axis CL1 (that is, the same as the center CL of the instrument body 20) of the base 34 that is directly below (FIG. 3A). Middle arrow A).

The pedestal 35 has a rotation shaft 351, and the rotation shaft 351 is rotatably supported by the support wall 361 of the rear wall 36. A translucent cover 32 that accommodates the LEDs 31 is integrally attached to the pedestal 35.
Accordingly, the pedestal 35 rotates with respect to the support wall 361 of the rear wall 36 by rotating around the center CL <b> 2 of the rotation shaft 351 of the pedestal 35 with the translucent cover 32. Thereby, since LED31 rotates integrally with the translucent cover 32, the irradiation direction of LED31 changes.

As shown in FIG. 1, a part of the LED bulb 30 protrudes downward from one end side where the irradiation opening 231 of the instrument body 20 is provided in a state where the LED bulb 30 is mounted on the socket 21. Here, substantially the entire translucent cover 32 protrudes.
As shown in FIGS. 1 and 2, the LED bulb 30 has a protruding portion 25 on the outer peripheral side that protrudes in parallel with the axial center CL <b> 1 of the base 34 (that is, the center CL of the instrument body 20). The protrusion 25 is desirably provided behind the LED bulb 30, that is, outside the rear wall 36.
Thereby, since the direction of the instrument main body 20 can be easily understood, the direction of the LED bulb 30 in the instrument main body 20 can also be easily understood.

The protrusion 25 is preferably provided in a wall shape (wall portion) at a certain distance from the rear wall 36 of the LED bulb 30. At this time, it is efficient to make the protrusion 25 less than a certain angle around the center CL of the instrument body 20 so that the protrusion 25 does not enter the irradiation range of the LED bulb 30 (irradiation unit 37, see FIG. 5). When it is desired to illuminate within a limited range, it may be preferable to provide the protruding portion 25 in a larger range.
Further, it is desirable that the protrusion 25 has a height at which the lower end is positioned below the lower end of the LED bulb 30. This is because if the lower end of the protruding portion 25 is located higher than the lower end of the LED bulb 30, the LED bulb 30 may be dazzling.

The protrusion 25 can be provided, for example, along the lower surface of the flange 24 of the instrument body 20. The protrusion 25 can be provided separately from the instrument body 20 and attached to the instrument body 20 with screws or caulking (see FIG. 2). Or it can also provide integrally with the instrument main body 20 (refer FIG. 1).
Note that the protrusion 25 is preferably formed of a light-impermeable material.

5A, 5B, and 5C show a state in which the LED bulb 30 described above illuminates the lower side and the wall surface. The instrument body 20 is attached to the attachment hole 12 so that the protrusion 25 is located on the opposite side to the illumination direction. Further, in the LED bulb 30 described above, the irradiation direction irradiated from the LED 31 is inclined with respect to the center CL of the instrument body 20 (that is, the axis CL1 of the base 34), and irradiates light toward the wall surface or the like. Thus, the LED bulb 30 is attached to the socket 21.
At this time, since the lower part of the LED bulb 30 protrudes downward from one end side where the irradiation opening 231 of the instrument main body 20 is provided, the lower part and the wall surface can be efficiently irradiated. In addition, since the irradiation direction can be finely adjusted by rotating the translucent cover 32, irradiation can be performed more efficiently.

As described above, according to the lighting fixture 10 of the embodiment according to the present invention described above, the LED bulb 30 is configured such that the irradiation direction irradiated from the LED 31 is inclined or perpendicular to the axis CL1 of the base 34. The LED 31 is attached obliquely.
Furthermore, since the LED bulb 30 includes the pedestal 35 that rotates the LED 31, the irradiation direction of the light emitted from the LED 31 can be directed to a desired direction by rotating the pedestal 35.

And the socket 21 which mounts LED bulb 30 is attached inside the instrument main body 20, and a part of LED bulb 30 protrudes from the one end side which provided the irradiation opening part 231 of the lower end part of the instrument main body 20. It is attached as follows. For this reason, since the light irradiated in the oblique direction from the LED bulb 30 can be emitted almost in the irradiation direction without being blocked by the ceiling 11 or the like, the floor surface and the wall surface eccentric from right below can be efficiently illuminated. Moreover, since the LED bulb 30 can be attached and detached by holding the portion protruding from the one end side where the irradiation opening 231 of the fixture body 20 of the LED bulb 30 is provided, the workability is improved.
Further, since the orientation of the LED 31 can be adjusted by rotating the pedestal 35, the layout can be easily changed and adjusted.

  Moreover, since it has the protrusion part 25 which protrudes in parallel with the axial center CL1 of the nozzle | cap | die 34 in the outer peripheral side of the LED bulb 30, the direction of the LED bulb 30 can be grasped easily and an irradiation direction can be easily made into a desired direction. Can be adapted to

Furthermore, since the protruding portion 25 has a wall shape and is provided outside the irradiation portion 37 where the light emitted from the LED bulb 30 is not blocked, the light can be efficiently illuminated without being blocked.
Moreover, since the LED light bulb 30 is blinded by the protrusion 25, the glare can be cut.

In addition, the lighting fixture 10 of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in the above-described embodiment, the case where the rear wall 36 of the LED bulb 30 is provided fixed to the lamp body 33 and the pedestal 35 is provided rotatably with respect to the rear wall 36 is illustrated. 36 may be provided so as to be rotatable with respect to the lamp body 33. In this case, the pedestal 35 is rotatably provided between the lamp body 33 and the rear wall 36.
Thereby, when the LED bulb 30 is mounted on the socket 21, if the irradiation direction of the LED 31 is shifted from the wall surface and is not in a desired direction, the irradiation direction can be easily determined by rotating the translucent cover 32. Can be directed in the direction of

In the above-described embodiment, the case of illuminating the floor surface, the wall surface, and the like has been exemplified. However, the present invention can also be used effectively in the following cases.
For example, when it is installed on a washstand etc. to illuminate the user's face with priority, when it is provided above the stairs to clearly illuminate the steps, or when it is provided in the bedroom so that it is not dazzling to the next person Etc. can also be used.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 20 Appliance main body 21 Socket 23 Cylindrical part 231 Irradiation opening part 25 Projection part 30 LED bulb (bulb-type LED lamp)
31 LED (LED light source)
32 Translucent cover 33 Lamp body 34 Base 35 Base 37 Irradiation part CL1 Axis center

Claims (4)

An LED light source, a translucent cover that houses the LED light source, a lamp body that holds the translucent cover, and a base that is provided on the opposite side of the translucent cover of the lamp body,
A light bulb type LED lamp in which the irradiation direction irradiated from the LED light source is inclined or perpendicular to the axis of the base;
A socket for detachably and electrically connecting the base of the bulb-type LED lamp;
An instrument body that includes a cylindrical portion having an irradiation opening on one end side and accommodates and supports the socket on the inside thereof; and
A lighting fixture in which a part of the bulb-type LED lamp protrudes from one end side of the fixture body provided with the irradiation opening. The lighting fixture according to claim 1,
The light bulb-type LED lamp has a pedestal for rotating the LED light source. The lighting fixture according to claim 1 or 2,
The lighting fixture which has a protrusion part which protrudes in parallel with the axial center of the said nozzle | cap | die on the outer peripheral side of the said bulb-type LED lamp. The lighting fixture according to claim 3,
The lighting fixture provided in the outer side of the irradiation part in which the said projection part is a wall part and the light irradiated from the said light bulb type LED lamp is not interrupted.

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