JP6924562B2 - Decorative lighting equipment - Google Patents

Description

One aspect of the present invention relates to a lighting device. In particular, it relates to a decorative luminaire that embodies light that is perceived as a natural flame.

Lighting equipment is important in our daily lives. Lighting devices are indispensable to secure visibility at night, and lighting devices are often used indoors even during the daytime. Further, the lighting device has not only such a practical aspect but also an aesthetic aspect. For example, at Christmas time, illuminations are often held in various places.

Lighting devices used for decoration have also been developed. For example, Patent Document 1 discloses a lighting device that provides light that resembles a flame. Specifically, in the lighting device described in Patent Document 1, fog is discharged from the fog generator 2 into the cup-shaped member 3. Then, the mist is diffused upward by the fan 4 provided in the cup-shaped member 3. In this state, the diffused fog is irradiated with red light from the red lamp 17. As a result, the red light is diffusely reflected by the diffused fog, and light that can be recognized as a flame can be provided on the cup-shaped member 3.

Japanese Unexamined Patent Publication No. 11-18501

Although the flame is intangible, there are shapes that are easily recognized as flames, and the shapes are constantly flowing. Specifically, the natural flame has a wide width in the vicinity of the object to be burned, and the width becomes narrower and sharper as the distance from the natural flame increases. In addition, the natural flame sways around its tip. Therefore, when providing light that can be recognized as a flame, it is important to embody such a shape and operation by using light.

Here, in the lighting device described in Cited Document 1, the fog is diffused radiatively by the fan 4. Therefore, the width of the upper part of the light tends to be wider than the width of the lower part of the light diffusely reflected by the fog. Therefore, it is difficult to embody the above-mentioned natural flame shape in the lighting device. Further, in the lighting device, the fan 4 creates a gas flow in a specific direction. Therefore, the tip of the light diffusely reflected by the fog tends to always exist in a certain region. Therefore, it is difficult to embody the above-mentioned natural flame operation in the lighting device.

In view of the above points, one aspect of the present invention is to provide light that is perceived as a natural flame.

The decorative lighting device according to one aspect of the present invention includes a housing having an internal space that can be visually recognized from the outside through an opening, a sprayer provided in the housing and discharging fog into the internal space, and the housing. It has a light source provided in the body and emitting light into the internal space, and a fan provided in the housing and discharging the gas existing in the internal space to the outside of the housing. The atomizer and the fan are arranged at positions facing each other via the internal space.

In the decorative lighting device of one aspect of the present invention, the atomizer emits fog into the internal space, the light source emits light into the internal space, and the fan emits light from the internal space to the outside of the housing. It is possible to discharge to. As a result, it is possible to provide light that is diffusely reflected in the internal space and is recognized as a flame.

Further, in the decorative lighting device of one aspect of the present invention, the gas existing in the internal space is discharged by the fan. That is, the fan sucks in gas. The suction force of the fan increases as the distance between the fan and the target gas becomes shorter. That is, in the internal space, a suction force is strongly applied to the gas existing in the region near the fan as compared with the gas existing in the region far from the fan. Here, in the decorative lighting device of one aspect of the present invention, the atomizer and the fan are arranged at positions facing each other via the internal space. Therefore, the fog emitted from the atomizer is relatively large in the region near the atomizer and relatively small in the region near the fan. As a result, the light diffusely reflected by the fog has a wide width in the vicinity of the atomizer, and the width becomes narrow and sharp as the distance from the atomizer increases in the direction of the fan. That is, in the decorative lighting device of one aspect of the present invention, it is possible to embody the above-mentioned natural flame shape by using light.

Further, in the decorative lighting device of one aspect of the present invention, the housing is provided with an opening for visually recognizing the internal space from the outside. This makes it possible to impart a gas flow other than suction by the fan to the mist existing in the internal space through the opening. Therefore, the movement of the fog becomes irregular. As a result, the light diffusely reflected by the fog also fluctuates. That is, in the decorative lighting device of one aspect of the present invention, it is possible to embody the above-mentioned natural flame operation by using light.

The front view which shows an example of the decorative lighting apparatus. A vertical sectional view showing an example of a decorative lighting device. Top view showing an example of a decorative lighting device. A vertical sectional view showing an example of a decorative lighting device. The figure which shows an example of a light source. The figure which shows an example of a light source. A vertical sectional view showing an example of a decorative lighting device. Top view showing an example of a straightening vane. A vertical sectional view showing an example of a decorative lighting device. A vertical sectional view showing an example of a decorative lighting device. The perspective view which shows one Example of the decorative lighting apparatus. The perspective view which shows one Example of the light source unit. The perspective view which shows one Example of a straightening vane. The figure which shows an example of the light embodied by the decorative lighting device. The figure which shows an example of the light embodied by the decorative lighting device.

1 Decorative lighting device FIGS. 1 to 3 are a front view, a vertical sectional view, and a top view of the decorative lighting device according to the present invention, respectively. The decorative lighting device can provide light 90 that is recognized as a flame through an opening 11 provided in the housing 10 when viewed from the front (see FIG. 1).

Specifically, the decorative lighting device includes a housing 10 having an internal space 12 that can be visually recognized from the outside through an opening 11, and a sprayer provided in the housing 10 that emits mist into the internal space 12. 20 and a light source 30 provided in the housing 10 to emit light into the internal space 12 and a fan 40 provided in the housing 10 to discharge the gas existing in the internal space 12 to the outside of the housing 10. (See FIG. 2). Specifically, the atomizer 20 discharges mist from below the internal space 12. Further, the light source 30 emits light diagonally upward from below the internal space 12. Further, the fan 40 is located above the internal space 12 and discharges the gas existing in the internal space 12 upward. Further, the atomizer 20 and the fan 40 are arranged at positions facing each other via the internal space 12. Further, the atomizer 20 and the light source 30 are arranged in the same direction (downward) as viewed from the internal space 12.

Then, in the decorative lighting device, the light source 30 irradiates the internal space 12 with light in a state where the atomizer 20 emits the mist into the internal space 12, so that the internal space 12 is recognized as a flame. It is possible to embody a unique light. Further, since the mist is discharged to the outside of the housing 10 via the fan 40, the decorative lighting device can also function as a humidifier.

Further, in the decorative lighting device, the gas existing in the internal space 12 is discharged by the fan 40. Here, the suction force of the fan 40 increases as the distance between the fan 40 and the target gas becomes shorter. That is, in the internal space 12, a suction force is strongly applied to the gas existing in the region near the fan 40 as compared with the gas existing in the region far from the fan 40. Therefore, the fog emitted from the atomizer 20 is relatively large in the region near the atomizer 20, and relatively small in the region near the fan 40. As a result, the light diffusely reflected by the fog has a wide width in the vicinity of the atomizer 20, and the width becomes narrow and sharp as the distance from the atomizer 20 increases in the direction of the fan 40. That is, in the decorative lighting device, it is possible to embody a natural flame shape by using light.

Further, in the decorative lighting device, the housing 10 is provided with an opening 11 for visually recognizing the internal space 12 from the outside. This makes it possible to impart a gas flow other than suction by the fan 40 to the mist existing in the internal space 12 through the opening 11. Therefore, the movement of the fog becomes irregular. As a result, the light diffusely reflected by the fog also fluctuates. That is, in the decorative lighting device, it is possible to embody the natural operation of a flame by using light.

(1) Housing In the decorative lighting device shown in FIGS. 1 to 3, the housing 10 has a substantially cylindrical shape, but the shape of the housing is not limited in one aspect of the present invention. For example, the housing may have a substantially elliptical pillar shape, a roughly conical shape, a roughly polygonal pillar shape, a roughly polygonal weight shape, a roughly spherical shape, or the like. However, in one aspect of the present invention, it is preferable that exhaust is uniformly performed from the internal space. For example, as shown in FIGS. 1 to 3, it is preferable to adopt a housing 10 having a substantially cylindrical shape so that exhaust is uniformly performed in the cross section of the cylinder.

Further, in one aspect of the present invention, it is preferable that the housing 10 is provided with air holes 13A and 13B for taking in outside air between the atomizer 20 and the light source 30. This makes it easy to uniformly diffuse the mist emitted from the atomizer 20 into the internal space 12.

(2) Atomizer The atomizer in the decorative lighting device according to one aspect of the present invention may be any atomizer capable of emitting mist. For example, as the atomizer, it is possible to apply a device that generates and emits mist by vibrating a liquid with an ultrasonic vibrator.

Further, the mist is preferably an air freshener or a deodorant. This is because the device has not only the function of decoration but also the function of fragrance or deodorization.

The average particle size of the mist is preferably 30 μm or more and 100 μm or less. This is because the diffuse reflection of light by the fog and the exhaust of the fog by the fan are performed so as to be closer to the shape and operation of the natural flame described above.

In addition, the sprayer may be provided with a removable liquid tank. In this case, it becomes possible to easily replenish the liquid that is converted into mist by the sprayer.

(3) Light Source The decorative lighting device according to one aspect of the present invention is for embodying light that is recognized as a flame. Therefore, the wavelength of the light emitted from the light source is preferably in the red region (555 nm or more and 655 nm or less).

Further, the light source in the decorative lighting device according to one aspect of the present invention may be any light source as long as it can emit light. For example, the light source may be a light emitting diode (LED), a fluorescent lamp, or the like. However, in one aspect of the present invention, it is preferable that the light source supplies light with relatively high directivity. This makes it possible to easily embody the natural shape and movement of the flame. Therefore, it is preferable to use, for example, an LED as the light source.

As shown in FIG. 5, the light having a relatively high directivity in the present specification includes a ray center line L1 at which the brightness of the light emitted from the light source is the highest and the brightness at the light source center line. The sharp angle θ1 formed by the point A, which is half of the light source, and the straight line passing through the point B closest to the point A among the emission ports of the light rays emitted from the light source is more than 0 degrees and 2.5 degrees or less. Means.

(4) Fan Any fan in the decorative lighting device according to the present invention may be used as long as it can discharge the gas existing in the internal space to the outside of the housing. For example, a propeller fan, a sirocco fan, a turbo fan, a mixed flow fan, or the like can be applied as the fan.

(5) Correlation In the decorative lighting device of one aspect of the present invention, the relative positional relationship between the atomizer, the light source, the internal space, and the fan is not particularly limited. However, as shown in FIG. 2, it is preferable that these are arranged in the order of the atomizer 20, the light source 30, the internal space 12, and the fan 40 from the bottom for the following reasons.

First, by arranging the internal space on the atomizer, it is possible to prevent the mist emitted from the atomizer from being discharged to the outside of the housing without passing through the internal space. Further, by moving the light source closer to the internal space than the atomizer, it is possible to irradiate the fog with light without reducing the brightness. Further, since the fan is arranged at the uppermost part, the fog is diffused radially around the housing after the fog is discharged to the outside of the housing. In this case, it is possible to suppress the liquefaction of the mist at a specific place and effectively exert the above-mentioned functions of humidification, aroma and deodorization.

Further, it is preferable that the mist emitted from the atomizer is uniformly diffused in the internal space. Therefore, it is preferable that the atomizer emits mist around the central axis of the housing.

Further, it is preferable that the light source does not interfere with the diffusion of the fog into the internal space. Therefore, it is preferable that the light source is arranged so as not to overlap the central axis.

Further, in order to effectively diffusely reflect the light emitted from the light source by the fog and irradiate the upper part of the internal space with the light, the light source emits the light at an angle inclined within a desired angle range with respect to the central axis. (Arranged on an inclined surface) is preferable. Specifically, as shown in FIG. 6, the acute angle (inclination angle of the inclined surface) θ2 formed by the light ray center line L1 along the light irradiation direction of the light beam emitted from the light source and the central axis L3 is It is preferably 5 degrees or more and 10 degrees or less.

Further, in order to uniformly exhaust the air existing in the internal space, it is preferable that the fan exhausts the air existing in the internal space around the central axis.

2 Modified Examples One aspect of the present invention described above is an example, and these can be changed as appropriate. For example, one aspect of the present invention can be modified as follows. As one aspect of the present invention, it is also possible to combine a plurality of modifications described later.

(1) Modification 1
FIG. 7 is a vertical sectional view of a decorative lighting device according to an aspect of the present invention. The decorative lighting device shown in FIG. 7 includes a straightening vane 50 supported by a lower end portion of an opening 11 of a housing 10 and a recess 14 in addition to the configuration provided by the decorative lighting device shown in FIGS. Have. Further, FIG. 8 is a top view of the straightening vane 50. The straightening vane 50 includes a cylinder 51 for guiding the mist emitted from the atomizer 20 to the internal space 12, and a gap 52 for transmitting the light rays emitted from the light source 30.

In the decorative lighting device, it is possible to reliably supply the fog to the internal space 12 and to suppress diffused reflection of light in a region inside the housing that cannot be seen from the outside.

In the decorative lighting device shown in FIG. 7, when the air holes 13A and B are provided as shown in FIG. 4, the outside air flowing in through the air holes 13A and B may be mixed into the cylinder 51. preferable. For example, it is preferable that the side wall of the cylinder 51 is also provided with an air hole for taking in outside air. Further, a transparent glass or an acrylic plate may be provided in the gap 52.

(2) Modification example 2
FIG. 9 is a vertical sectional view of a decorative lighting device according to an aspect of the present invention. The decorative lighting device shown in FIG. 9 has the same configuration as the decorative lighting device shown in FIGS. 1 to 3 except that the housing 10 is provided with a plurality of openings 11A and 11B.

In the decorative lighting device, it is possible to appreciate light that is recognized as a flame from multiple directions. Further, it is possible to impart a plurality of gas flows other than suction by the fan to the fog existing in the internal space through the plurality of openings. That is, in the decorative lighting device, it is possible to embody the above-mentioned natural flame operation more than the decorative lighting device shown in FIGS. 1 to 3.

In the decorative lighting device, it is preferable that a plurality of openings 11A and 11B are provided symmetrically with respect to the central axis of the housing 10. For example, when the housing 10 is provided with three openings, it is preferable that the centers of the three openings are provided every 120 degrees with the central axis as the center. This is because the light embodied in the internal space 12 can be positioned in the vicinity of the central axis.

Further, in the decorative lighting device, it is preferable that the outer periphery of the internal space 12 is open except for a portion necessary for supporting the fan 40. As a result, more outside air flows into the internal space 12. As a result, the movement of light provided by the decorative display device is closer to the movement of the natural flame. For example, in the internal space 12, it is preferable that a region of 80% or more and 90% or less of the outer circumference is opened by a plurality of openings 11A and 11B.

(3) Modification 3
FIG. 10 is a vertical sectional view of a decorative lighting device according to an aspect of the present invention. The decorative lighting device shown in FIG. 10 has the same configuration as the decorative lighting device shown in FIGS. 1 to 3 except that a plurality of light sources 30A and 30B are provided in the housing 10. In the decorative lighting device, since the fog is irradiated with light from multiple directions, it is possible to three-dimensionally embody the light that is recognized as a flame.

In the decorative lighting device, it is preferable that a plurality of light sources 30A and 30B are symmetrically provided with reference to the central axis of the housing 10. For example, when the housing 10 is provided with three light sources, it is preferable that the three light sources are provided every 120 degrees around the central axis. This is because the light embodied in the internal space 12 can be positioned in the vicinity of the central axis.

Further, as the light sources 30A and 30B, light sources that irradiate light of the same wavelength may be applied, or light sources that irradiate light of different wavelengths may be applied. However, when a light source that irradiates light having a different wavelength is applied as the light source 30A and the light source 30B, it is preferable in that light that is close to the color of a natural flame can be realized. Specifically, as shown in FIG. 10, light 91 having a wavelength (575 nm or more and 675 nm or less) in a low temperature region (for example, a red region) is irradiated over a wide range of the internal space 12 from one of the light sources 30A and 30B, and When light 92 having a wavelength (555 nm or more and 655 nm) in a high temperature region (for example, an orange region) is irradiated only near the center of the internal space 12 from the other of the light sources 30A and 30B, the internal space 12 is given a natural flame color. It is possible to embody close light. In this case, the brightness of the light 111 having a wavelength in the high temperature region is preferably 4 times or more and 5 times or less the brightness of the light 112 having a wavelength in the low temperature region.

FIG. 11 is a perspective view showing an embodiment of the present invention. The decorative lighting device shown in FIG. 11 includes a housing 100 having three openings on the side wall, a sprayer 200 arranged in the lower part of the housing 100, and a light source arranged on the sprayer 200. It has a 300, a straightening vane 500 arranged on the light source 300, and a fan 400 arranged in the upper part of the housing 100. Further, in the decorative lighting device, a plurality of air holes 130 and mist spraying by the atomizer 200 are provided between the side wall of the housing 100 including the atomizer 200 and the side wall of the housing 100 containing the light source 300. An operation switch 600 for controlling the emission of light by the light source 300 and the exhaust by the fan is provided. Here, the housing 100 has a substantially cylindrical shape having a diameter of about 65 mm and a height of about 200 mm.

FIG. 12 is a perspective view showing a light source unit included in the housing 100. The light source unit shown in FIG. 12 has a light source base 310 and six light sources 300. The six light sources 300 are composed of a light source that emits light having wavelengths in the three red regions and a light source that emits light having wavelengths in the three orange regions, and two light sources that emit different colors. They are placed adjacent to each other. Further, a through hole 320 is provided in the center of the light source unit. The through hole 320 is a place where the cylinder 510 of the straightening vane 500, which will be described later, is fitted.

FIG. 13 is a perspective view showing the straightening vane 500. The straightening vane 500 shown in FIG. 13 includes a cylinder 510 for guiding the mist emitted from the atomizer 200 and a gap 520 for transmitting the light rays emitted from the light source 300. The straightening vane 500 can be appropriately removed from the decorative lighting device of this embodiment.

FIG. 14 is a diagram showing the light embodied by the decorative lighting device of the present embodiment with the straightening vane 500 removed, and FIG. 15 is the decorative lighting of the present embodiment with the straightening vane 500 attached. It is a figure which shows the light which the device embodies.

In the decorative lighting device of this embodiment, the above-mentioned natural shape and operation of the flame could be realized regardless of the presence or absence of the straightening vane 500. However, when the straightening vane 500 was provided (see FIG. 15), the light was more organized and the flame shape seemed to be more natural than when it was not provided (see FIG. 14). ..

10, 100 Housing 11 Opening 12 Internal space 13A, 13B, 130 Air hole 14 Depression 20, 200 Atomizer 30, 30A, 30B, 300 Light source 310 Light source stand 320 Through port 40, 400 Fan 50, 500 Rectifier plate 51, 510 cylinder 52, 520 Gap 90, 91, 92 Light 600 Operation button

Claims (20)

A housing with an internal space that can be seen from the outside through multiple openings,
A sprayer provided in the housing and discharging mist into the internal space,
A light source provided in the housing and emitting light into the internal space,
A fan provided inside the housing and discharging gas and mist existing in the internal space to the outside of the housing.
It has a straightening vane that is detachably provided in the housing and includes a cylinder for guiding the fog from the atomizer to the internal space.
The atomizer and the fan are arranged at positions facing each other via the internal space.
The mist discharged to the outside of the housing by the fan is a decorative lighting device that is radially diffused around the housing.
A decorative lighting device in which the plurality of openings are always opened so as to always communicate with the outside of the decorative lighting device . The decorative lighting device according to claim 1, wherein the housing has a substantially cylindrical shape. The atomizer is located below the interior space and
The light source is arranged between the atomizer and the interior space.
The decorative lighting device according to claim 1 or 2, wherein the fan is arranged above the internal space. The decorative lighting device according to any one of claims 1 to 3, wherein the housing is provided with an air hole for taking in outside air between the internal space and the atomizer. The decorative lighting device according to any one of claims 1 to 4, wherein the mist is an air freshener or a deodorant. The decorative lighting device according to any one of claims 1 to 5, wherein the average particle size of the mist is 30 μm or more and 100 μm or less. The decorative lighting device according to any one of claims 1 to 6, wherein the atomizer atomizes a liquid by using ultrasonic waves. The decorative lighting device according to any one of claims 1 to 7, wherein the wavelength of the light is 555 nm or more and 655 nm or less. The decorative lighting device according to any one of claims 1 to 8, wherein the light source is a light emitting diode. The atomizer emits the mist around the central axis of the housing.
The light source is arranged so as not to overlap the central axis.
The acute angle formed by the center line of the light beam emitted from the light source along the light irradiation direction and the center axis is 5 degrees or more and 10 degrees or less.
The decorative lighting device according to any one of claims 1 to 9, wherein the fan discharges a gas existing in the internal space around the central axis to the outside of the housing. The ray center line, a first point whose brightness is half the brightness of the ray center line, and a straight line passing through a second point closest to the first point among the emission ports of the rays emitted from the light source. The decorative lighting device according to claim 10, wherein the acute angle formed is more than 0 degrees and 2.5 degrees or less. The decorative lighting device according to any one of claims 1 to 11, wherein the side wall of the cylinder has an air hole. The rectifying plate, decorative illumination device according to any one of claims 1 to 12 comprising the gap for transmitting the light emitted from the light source. A housing with an internal space that can be seen from the outside through each of the multiple openings,
A sprayer provided in the housing and discharging mist into the internal space,
A light source provided in the housing and emitting light into the internal space,
A fan provided inside the housing and discharging gas and mist existing in the internal space to the outside of the housing.
It has a straightening vane that is detachably provided in the housing and includes a cylinder for guiding the fog from the atomizer to the internal space.
The plurality of openings are provided symmetrically with respect to the central axis of the housing.
The atomizer and the fan are arranged at positions facing each other via the internal space.
The mist discharged to the outside of the housing by the fan is a decorative lighting device that is radially diffused around the housing.
A decorative lighting device in which the plurality of openings are always opened so as to always communicate with the outside of the decorative lighting device . The decorative lighting device according to claim 14, wherein the internal space has an area of 80% or more and 90% or less of the outer circumference opened by the plurality of openings. A housing with an internal space that can be seen from the outside through multiple openings,
A sprayer provided in the housing and discharging mist into the internal space,
A plurality of light sources, each of which is provided in the housing and emits light from each of the internal spaces,
A fan provided inside the housing and discharging gas and mist existing in the internal space to the outside of the housing.
It has a straightening vane that is detachably provided in the housing and includes a cylinder for guiding the fog from the atomizer to the internal space.
The plurality of light sources are provided symmetrically with respect to the central axis of the housing.
The atomizer and the fan are arranged at positions facing each other via the internal space.
The mist discharged to the outside of the housing by the fan is a decorative lighting device that is radially diffused around the housing.
A decorative lighting device in which the plurality of openings are always opened so as to always communicate with the outside of the decorative lighting device . The decorative lighting device according to claim 16, wherein the plurality of light sources emit light having the same wavelength. The decorative lighting device according to claim 16, wherein the plurality of light sources include a first light source that emits light having a first wavelength and a second light source that emits light having a second wavelength different from the first wavelength. The first wavelength is 555 nm or more and 655 nm or less.
The decorative lighting device according to claim 18, wherein the second wavelength is 575 nm or more and 675 nm or less. The decorative lighting device according to claim 19, wherein the brightness of the light of the first wavelength is 4 times or more and 5 times or less the brightness of the light of the second wavelength.

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