JP3234849U - Lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting device capable of suppressing an increase in the number of parts when adding an indirect lighting function. SOLUTION: A lighting device has a first light emitting unit composed of a plurality of first light emitting elements 13 that directly irradiate the front side, a support main body 10 to which the first light emitting unit is attached, and a back surface of the support main body 10. It is provided with a second light emitting unit, which is attached to the side and is composed of a plurality of second light emitting elements that irradiate the back surface side with indirect light. [Selection diagram] FIG. 5

Description

The present invention relates to a lighting device having an indirect lighting function.

A lighting device such as a ceiling light illuminates a room with direct light that illuminates the floor surface. In addition to this direct light, there is also known a lighting device that illuminates the room with indirect light that irradiates the illumination light toward the ceiling side, which creates a warm and calm atmosphere.

As such a lighting device, there is a lighting device disclosed in Patent Document 1 below. This luminaire is attached to the ceiling surface, and includes a light source for indirect lighting that is held by the luminaire body (support body) and radiates light to the ceiling surface in addition to the light source for direct lighting. This light source for indirect lighting is not attached to the main body of the fixture, but is attached to a frame separate from the main body of the fixture. The frame is supported by the outer peripheral portion of the instrument body.

Patent No. 4779685

However, since the frame for attaching the light source for indirect lighting is purposely provided, the number of parts increases and the assembly man-hours become complicated.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting device capable of suppressing an increase in the number of parts when adding an indirect lighting function.

The lighting device according to the present invention for solving the above problems
A first light emitting unit composed of a plurality of first light emitting elements that directly irradiate the front side with light,
The support body to which this first light emitting part is attached and
It is characterized in that it is provided with a second light emitting unit which is attached to the back surface side of the support main body and is composed of a plurality of second light emitting elements which irradiate the back surface side with indirect light.

The operation and effect of the lighting device by such a configuration will be described. This lighting device includes a first light emitting unit composed of a plurality of first light emitting elements that directly irradiate light, and a second light emitting unit composed of a plurality of second light emitting elements that irradiate indirect light. Further, these first light emitting parts and second light emitting parts are attached to the same support main body. Further, the first light emitting portion is attached to the front side of the support main body, and the second light emitting portion is attached to the back surface side of the support main body. Therefore, there is no dedicated component for attaching the second light emitting unit. Therefore, it is possible to provide a lighting device capable of suppressing an increase in the number of parts when adding an indirect lighting function.

The support body according to the present invention is formed in a ring shape having a hole in the central portion.
A third light emitting device composed of a blower arranged in the central portion, a cover portion provided on the front side of the blower, and a plurality of third light emitting elements provided on the cover portion and irradiating indirect light on the back surface side. It is preferable to provide a portion and.

This lighting device also has a function of a blower, and in the case of such a lighting device, the effect of indirect lighting can be enhanced by further providing a third light emitting unit that irradiates indirect light.

In the present invention, the number of arranged second light emitting elements is preferably smaller than the number of arranged first light emitting elements.

As a result, the illuminance of indirect light can be suppressed more than that of direct light, and the effect of indirect lighting can be enhanced.

In the present invention, a ring-shaped first light emitting part cover that covers the first light emitting part and has translucency,
A ring-shaped second light emitting part cover that covers the second light emitting part and has translucency is provided.
The width of the second light emitting unit cover is preferably smaller than the width of the first light emitting unit cover.

Since the second light emitting portion is arranged on the back surface side of the support main body and cannot be seen from below, the second light emitting portion cover having the minimum necessary size can be used.

The second light emitting unit cover according to the present invention is preferably formed in a ring shape as a whole by arranging a plurality of cover members along the circumferential direction.

With such a configuration, the size of the cover member can be reduced, and handling at the time of assembly or the like becomes easy.

Front view of the lighting device according to this embodiment Rear view of the lighting device External perspective view of the lighting device as seen from the back side Side view of the lighting device In the cross-sectional view taken along the line AA of FIG. Rear view with the second light emitting part cover removed Front view with the first light emitting part cover removed BB sectional view of FIG.

A preferred embodiment of the lighting device according to the present invention will be described with reference to the drawings. The lighting device according to the present embodiment is a so-called sealing fan, and has a blowing function in addition to the lighting function. FIG. 1 is a front view of the lighting device. FIG. 2 is a rear view. FIG. 3 is an external perspective view seen from the back side (ceiling side). FIG. 4 is a side view. FIG. 5 is a cross-sectional view taken along the line AA of FIG. FIG. 6 is a rear view with the second light emitting unit cover removed. FIG. 7 is a front view with the first light emitting unit cover removed. FIG. 8 is a cross-sectional view taken along the line BB of FIG. For convenience of explanation, the front side of the lighting device is defined as the direction of the floor surface, and the back side is defined as the ceiling side on which the lighting device is mounted.

The lighting device includes a lighting unit 1 and a blower 2. The blower 2 is arranged in the central portion, and the illumination unit 1 is arranged around the blower 2 and is formed in a ring shape when viewed from the front. The illumination unit 1 has a ring-shaped support main body 10 and a first light emitting unit cover 11. The support body 10 is made of metal, and LED substrates are mounted on both the front and back surfaces as described later.

As shown in FIG. 5, a first light emitting portion cover 11 having translucency is provided on the front side of the support main body 10. The first light emitting portion is provided in the space surrounded by the support main body 10 and the first light emitting portion cover 11.

FIG. 7 shows a state in which the first light emitting unit cover 11 is removed. A plurality of LED substrates 12 are arranged in a ring shape on the front side of the support main body 10, and are attached to the support main body 10. A plurality of first light emitting elements 13 are provided on the LED substrate 12. The first light emitting element 13 is composed of an LED chip and a lens member that covers the chip. The first light emitting element 13 is arranged in a ring shape. In FIG. 7, four LED substrates 12 are provided, and the substrates are electrically and mechanically connected by lead wires or connectors. A cover member 14 is provided at the connection portion for safety. The first light emitting element 13 and the LED substrate 12 correspond to the first light emitting unit.

The back surface of the LED substrate 12 is attached so as to be in direct contact with the support main body 10, thereby enhancing the heat dissipation effect. The LED substrate 12 is fixed to the support main body 10 by mechanical means such as screws. The LED substrate 12 may be attached to the back surface of the LED substrate 12 via a member such as a spacer.

Three mounting brackets 15 are provided along the outer circumference of the support main body 10, and the first light emitting portion cover 11 is detachably attached. The configuration of the mounting bracket 15 is a well-known configuration.

The configuration of the first light emitting unit is not limited to the above. The design can be appropriately changed such as the arrangement mode and the number of arrangements of the first light emitting element 13, the shape and the number of arrangements of the LED substrate 12.

As shown in FIG. 3, a plurality of second light emitting unit covers 42 are attached in a ring shape on the back surface side of the support main body 10. FIG. 6 shows a state in which all the second light emitting unit covers 42 are removed. It is arranged in the circumferential direction, and two second light emitting elements 41 are mounted on each LED substrate 40. As the second light emitting element 41 itself, the same one as the first light emitting element 13 can be used. The irradiation direction of the illumination light of the second light emitting element 41 is the ceiling side. The LED substrate 40 and the second light emitting element 41 correspond to the second light emitting unit.

The number of the second light emitting elements 41 is smaller than the number of the first light emitting elements 13. Since the second light emitting element 41 is used for indirect lighting and is intended to create a warm and calm atmosphere, the number of the second light emitting element 41 does not need to be as large as that of the first light emitting element 13.

The number of the second light emitting unit covers 42 is nine, which is the same as the number of the LED substrates 40, and the second light emitting unit covers 42 are arranged in a ring shape as a whole. The second light emitting unit cover 42 is formed of a translucent resin like the first light emitting unit cover 11. However, the number of the second light emitting unit covers 42 arranged is not limited to this, and may be different from the number of the LED substrates 40. Further, it may be composed of one second light emitting unit cover formed in a ring shape.

The width dimension of the second light emitting unit cover 42 is set to a minimum size that is slightly larger than the width of the LED substrate 40. That is, the dimension is set to be smaller than the width of the first light emitting unit cover 11. On the other hand, the width (length in the radial direction) of the first light emitting portion cover 11 is substantially the same as the width of the support main body 10 because it is necessary to cover the entire support main body 10.

The second light emitting element 41 is arranged along the circumferential direction, but the position where the second light emitting element 41 is arranged is exactly the back side of the first light emitting element 13. The method of attaching the LED board 40 to the support main body 10 may be the same as that of the LED board 12. Further, as in the case of the LED substrate 12, the back surface of the LED machine 40 may be directly fixed to the support main body 10, or may be fixed with a spacer interposed between them.

The configuration of the blower 2 will be described. As shown in FIG. 5, the blower 2 is integrally formed with a cylindrical portion 21 having a blower blade 20 and arranged at the center. A motor 22 for driving the blower 2 is provided, and a cylindrical portion 21 is inserted into the motor shaft 23. A cap 24 is attached to the tip of the motor shaft 23. A well-known configuration can be adopted for the configuration itself of the blower 2. The blower 3 can rotate in the forward and reverse directions, and can switch between forward rotation and reverse rotation by a remote controller as needed.

A base portion 3 for mounting the lighting device on the ceiling is provided. The base portion 3 has a base plate 30, a base cover 31, and a motor cover 32. The motor cover 32 covers the periphery of the motor 22. The base cover 31 and the motor cover 32 may be integrated parts or separate parts.

A power supply circuit, a drive control circuit, and the like are mounted inside the base portion 3. The blower 3 is driven and the power is supplied to the lighting unit 1.

A connecting member 6 for connecting the base portion 3 and the lighting portion 1 is provided. As shown in FIG. 6 and the like, three connecting members 6 are provided. As shown in FIG. 5, the upper end connecting portion 60 of the connecting member 6 is fixed to the base cover 31 of the base portion 3. The lower end connecting portion 61 of the connecting member 6 is fixed to the back surface side of the support main body 10. Further, the inside of the connecting member 6 is hollow, and wiring for connecting the circuit in the base cover 31 and the lighting unit 1 is incorporated. As shown in FIG. 5, the position of the upper end portion 20a of the blower blade 20 is located above (ceiling side) the position of the lower end connecting portion 61.

As shown in FIGS. 1 and 4, on the front side of the blower 2, a cover portion 50 for protecting the blower 2 and three spokes 51 for fixing the cover portion 5 to the lighting portion 1 are provided. Has been done. As shown in FIG. 8, a third light emitting element 53 constituting the third light emitting unit is provided inside the cover portion 5. The illumination light of the third light emitting element 53 is directed to the ceiling side and functions as indirect illumination.

An LED substrate 52 and a third light emitting element 53 are provided as the third light emitting unit. The third light emitting element 53 is arranged in a ring shape. The configuration of the third light emitting element 53 may be the same as that of the first light emitting element 13 and the second light emitting element 41. The cover portion 50 has a circular shape when viewed from the front, and as shown in FIG. 5, a cover member 54 having translucency is provided on the back surface side. The number of arrangements of the third light emitting element 53 and the like can be appropriately changed in design.

The lighting device according to this embodiment is operated by a remote controller. It is possible to control the lighting / extinguishing of each light emitting unit, the on / off control of the blower, the brightness of the lighting, the forward / reverse rotation of the blower 2, and the air volume. Further, as for the light emitting unit, any light emitting unit can be selected and illuminated. For example, only the first light emitting unit that irradiates direct light may be lit, or both the second or third light emitting unit and the first light emitting unit that irradiate indirect light may be lit. All the light emitting parts may be turned on, or only the indirect light may be turned on.

<Another Embodiment>
The lighting device according to the present embodiment has a function of a circulator, but may be a general ceiling light that does not have a circulator (blower).

As the light emitting element according to the present embodiment, a light emitting element having a lens but not having a lens may be used.

1
10 Support body 11 1st light emitting part cover 12 LED board 13 1st light emitting element 2 blower 20 Blower 3 Base part 40 LED board 41 2nd light emitting element 42 2nd light emitting part cover 50 Cover part 52 LED board 53 3rd light emitting element

Claims (5)

A first light emitting unit composed of a plurality of first light emitting elements that directly irradiate the front side with light,
The support body to which this first light emitting part is attached and
A lighting device that is attached to the back surface side of the support body and includes a second light emitting unit composed of a plurality of second light emitting elements that irradiate the back surface side with indirect light. The support body is formed in a ring shape with a hole in the center.
The blower arranged in the central part and
A cover portion provided on the front side of the blower and
The lighting device according to claim 1, further comprising a third light emitting portion provided on the cover portion and composed of a plurality of third light emitting elements that irradiate the back surface side with indirect light. The lighting device according to claim 1 or 2, wherein the number of arranged second light emitting elements is smaller than the number of arranged first light emitting elements. A ring-shaped first light emitting part cover that covers the first light emitting part and has translucency,
A ring-shaped second light emitting part cover that covers the second light emitting part and has translucency is provided.
The lighting device according to claim 2, wherein the width of the second light emitting unit cover is smaller than the width of the first light emitting unit cover. The lighting device according to claim 4, wherein the second light emitting unit cover is formed in a ring shape as a whole by arranging a plurality of cover members along the circumferential direction.

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