JP2017107699A - Auxiliary luminaire and lighting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an auxiliary luminaire and a lighting system, capable of brightening the whole periphery of a down light regardless of an existing or new one.SOLUTION: An auxiliary luminaire 1 is installed around a luminaire 31 installed at a recess part 43 of a ceiling, and includes a toric substrate 2, a plurality of LED elements 3 arrayed on a surface of the substrate 2, and a toric light-transmissive cover 4 storing the substrate 2 on which the plurality of LED elements 3 is arrayed. The cover 4 is fixed with a fastener 5, and the fastener 5 has a U-shaped cross section, wherein one end part of the fastener is locked to the cover 4 and the other end part is inserted into a clearance of a structure 6, thereby mounting the cover 4 to the structure 6.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an auxiliary lighting device and a system thereof installed in an annular shape around a concave portion of a ceiling with respect to a lighting device which is formed in a concave portion on a ceiling.

A lighting device, that is, a so-called downlight, which is provided with a recess formed in the ceiling, such as a hotel guest room or a conference hall, has a structure as shown in FIG.
In FIG. 9, the illuminating device 31 is accommodated in the recessed part 43 formed in the upper side of the ceiling 42 from the ceiling surface 42a. The illuminating device 31 pulls the AC cable 33 from the AC power source 32, converts the AC power from the AC to the direct current by the power converter 34, and supplies power to the downward LED element 39 installed on the substrate 38. Light emitted from the LED element 39 passes through the transparent or translucent cover 40 while being reflected by the reflecting mirror 37 provided in the hood 36 of the illuminating device 31 and irradiates downward.
In the illuminating device 31 which is a general downlight, the heat radiating fins 35 are provided in order to promote the heat radiation in the concave portion 43. The hood 36 is provided with a fixture 41, and the lower end of the hood 36 is fixed in the recess 43 by sitting on the back surface of the ceiling 42 and supporting the entire lighting device 31.
Although the demand for such downlights is high, when adopting light emitting diodes (LEDs) that are rapidly spreading as light sources in recent years, the linearity and narrow range from the downlights due to the high directivity resulting from the light emission mechanism. In order to illuminate only the light source and illuminate the periphery of the recess 43 on the ceiling surface 42a, it is necessary to separately provide a lighting device capable of irradiating light over a wide range.
That is, as schematically shown in FIG. 9, although a bright region is formed immediately below the downlight, a dark region is formed around the recess 43, and there is a problem that light cannot be irradiated over a wide range. It was.

  In response to such a problem, the applicant of the present application has created an invention of “LED lighting equipment mounting structure” shown in Patent Document 1. In this invention, in order to effectively use high-luminance LED lighting, the LED chip as a light emitter is provided so as to protrude from the installation surface so that the light emitter can be seen directly, and the peripheral portion is also illuminated brightly. To be able to.

Patent Document 2 discloses an indoor lighting device with the name “indoor lighting device” that can efficiently use a plurality of light sources and reduce the number of light sources mounted or the maximum light emission amount of each light source.
In this invention, the illuminating device itself is a so-called ceiling light that is installed as it is on the ceiling surface, not a downlight that is provided with a recess formed in the ceiling, but both cold-colored LEDs and warm-colored LEDs are formed on a ring-shaped substrate. In addition, the number of light sources mounted and the maximum light emission amount of each light source are controlled so as to drive both of them.

JP 2013-218951 A JP 2013-237356 A

However, in the technique disclosed in Patent Document 1, it is difficult to exhibit the function of narrowing the irradiation range, which is the original function of the downlight, and illuminating in a concentrated manner, and it can be used for existing downlights. This is a device that can only be used for a new lighting device.
Further, the invention disclosed in Patent Document 2 cannot be used for a downlight, and this invention is also an invention of a control method used for a new lighting device, and is applied to an existing downlight. Is impossible.

The present invention has been made in response to such a conventional situation, and can be added to the existing downlight itself without any modification, and the construction is simple and the delivery time is short. It is an object to provide an auxiliary lighting device capable of exhibiting both the function of selectively downlighting the original function of the downlight and the function of illuminating the entire surroundings while strengthening the original function of the downlight. And
In addition, when installing a new downlight, an auxiliary device can be easily added to the lighting device used as the downlight. It is another object of the present invention to provide an illumination system capable of exhibiting both the function and the function of illuminating the entire surrounding by weakening the original function of the downlight.

In order to achieve the above object, an auxiliary lighting device according to a first aspect of the present invention is an auxiliary lighting device installed around a lighting device installed in a concave portion of a ceiling, and includes an annular substrate and a surface of the substrate. A plurality of LED elements arranged above and an annular translucent cover that accommodates a substrate on which the plurality of LED elements are arranged.
In the auxiliary lighting device having the above-described configuration, the plurality of LED elements arranged on the surface of the annular substrate act so as to illuminate the peripheral edge of the lighting device installed in the concave portion of the ceiling.

The auxiliary lighting device according to a second aspect of the present invention is the auxiliary lighting device according to the first aspect of the present invention, wherein the cover is fixed with a fastener, the fastener is formed in a U-shaped cross section, and one end is covered with the cover. The cover is attached to the structure with the other end interposed in the gap of the structure.
The color of the cover in this case is not particularly limited, and any color can be used, and it may be transparent or translucent.
In the auxiliary lighting device having the above configuration, in addition to the operation of the first invention, one end of the U-shaped fastener operates so as to be inserted into the gap of the structure, and the other end covers It acts to lock on.

The auxiliary illumination device according to a third aspect of the present invention is the auxiliary illumination device according to the first or second aspect, wherein the cover includes a mount portion for supporting the surface of the substrate inside. .
In the auxiliary illumination device having the above-described configuration, in addition to the operation of the first or second invention, the mount unit functions to support the substrate surface on which the LED elements are arranged. That is, it is not necessary to install the back surface of the substrate by bonding it to some structural material.

The auxiliary lighting device according to a fourth aspect of the present invention is the auxiliary lighting device according to any one of the first to third aspects, wherein the annular substrate includes an inclined surface, and the LED element is disposed on the inclined surface. The inclined surfaces are arranged such that light emitted from the LED elements is emitted toward the outside of a ring formed by the substrate.
In the auxiliary lighting device having the above configuration, in addition to the operation of any one of the first to third inventions, the LED elements are arranged on the inclined surface of the annular substrate, so that the light emitting surface of the LED elements is in the vertical direction. Therefore, the light is emitted toward the outer side of the ring more than the LED element having the light emitting surface directed in the vertical direction.

The auxiliary lighting device according to a fifth aspect of the present invention is the auxiliary lighting device according to any one of the first to fourth aspects of the invention, wherein the plurality of LED elements are at least two types of LED elements having different color temperature specifications. The at least two types of LED elements are controlled so as to be able to emit light at a desired color temperature individually or in desired combinations for different types.
In the auxiliary lighting device having the above configuration, in addition to the effects of the first to fourth inventions, at least two types of LED elements having different color temperature specifications are controlled to emit light individually or in combination as desired for each different type. Thus, the LED element acts to irradiate light of various color temperatures.
The color temperature is a scale (unit) for expressing the color of light emitted from a certain light source by a quantitative numerical value, and K (Kelvin) of thermodynamic temperature is used as the unit. Specifically, for example, the “bulb color” of a household fluorescent lamp is about 2900K, the “day white” is about 5000K, and the “daylight” is 6500K. Further, in the present application, “warm color system” refers to a case of 4000 K or less, “cold color system” refers to a color temperature higher than 8000 K, and the color temperature therebetween is referred to as “intermediate system”.

The auxiliary lighting device according to a sixth aspect of the present invention is the auxiliary lighting device according to any one of the first to fourth aspects of the invention, wherein the plurality of LED elements are red, green, and blue that are the three primary colors of light. Each of the LED element groups that emit light of any one of the above, and each group alone or a combination of the desired group, further desired combination including the number of light emission within each group, the desired group It is characterized in that it is controlled so as to be able to develop color in the hue.
In the auxiliary lighting device having the above-described configuration, in addition to the functions of the first to fourth inventions, the group of LED elements that respectively emit one of the three primary colors of red, green, and blue is independent for each group. Alternatively, by controlling light emission in combination with a desired group, the LED element acts to emit light of various hues.

A lighting system according to a seventh aspect of the present invention has a casing formed in a cylindrical shape with a bowl-shaped portion that covers the periphery of the concave portion of the ceiling when inserted into the concave portion of the ceiling, and is installed in the concave portion of the ceiling And an illuminating device that houses the LED element in the housing and emits light, and an auxiliary illuminating device according to any one of the first to sixth inventions around the illuminating device. Is.
In the lighting system configured as described above, the auxiliary lighting device according to any one of the first to sixth inventions is employed as the auxiliary lighting device, so that the operation thereof is any one of the first to sixth inventions. It is the same as a certain auxiliary lighting device.

According to an eighth aspect of the present invention, there is provided a lighting system according to the seventh aspect, wherein the LED elements of the lighting device and the plurality of LED elements of the auxiliary lighting device are controlled to be able to emit light independently. is there.
In the illumination system configured as described above, in addition to the operation of the seventh aspect of the invention, the LED element operates by controlling the light emission of the LED element of the illumination device and the plurality of LED elements of the auxiliary illumination device independently of each other. It acts to irradiate various kinds of light according to the situation around the device.

  In the auxiliary lighting device according to the first aspect of the present invention, light is emitted directly at the peripheral portion that is not directly illuminated by the lighting device installed in the concave portion of the ceiling by the plurality of LED elements arranged on the surface of the annular substrate. Thus, the peripheral edge can be efficiently and effectively illuminated.

  In the auxiliary lighting device according to the second aspect of the present invention, in addition to the effect of the first aspect, for example, when an annular plate material for protection is provided around the concave portion of the ceiling, With the U-shaped fastener, the cover can be easily installed on the structure. The LED element, the substrate, and the cover can be held as they are by inserting one end of the fastener using the gap between the originally fixed structure and the ceiling. Therefore, when installing the auxiliary lighting device to be added to the existing lighting device, the construction is easy and the construction period can be shortened. Moreover, it has the outstanding effect that aesthetics are not spoiled.

  In the auxiliary lighting device according to the third invention of the present invention, in addition to the effects of the first or second invention, the surface of the substrate on which the LED elements are arranged is faced down and is simply placed on the mount portion. The substrate can be placed on the cover. That is, the substrate can be easily fixed by gravity. As a fixing method, it is conceivable to apply an adhesive to the back surface of the substrate and adhere it to some structural material, but the adhesive applied to the substrate that generates heat deteriorates quickly with the substrate surface facing downward. There is a high possibility that problems such as falling inside the cover and causing displacement will occur. Therefore, the method of forming the mount portion in advance and placing the substrate thereon is extremely excellent.

  In the auxiliary lighting device according to the fourth aspect of the present invention, in addition to the effects of the first to third aspects, the light from the LED elements arranged on the inclined surface of the annular substrate is placed outside the annular ring. Therefore, it is possible to illuminate efficiently and effectively farther from the peripheral edge of the lighting device installed in the concave portion of the ceiling.

  In the auxiliary lighting device according to the fifth aspect of the present invention, in addition to the effects of the first to fourth aspects, light of various color temperatures can be irradiated.

  In the auxiliary lighting device according to the sixth aspect of the present invention, in addition to the effects of the first to fourth aspects, light of various hues can be irradiated.

  In the illumination system according to the seventh aspect of the present invention, since the auxiliary illumination device according to any one of the first to fifth inventions is adopted as the auxiliary illumination device, the effect thereof is any one of the first to fifth inventions. This is the same as the auxiliary lighting device.

  In the lighting system according to the eighth aspect of the present invention, in addition to the effects of the eighth aspect, various lights can be irradiated according to the surrounding environment and situation.

It is sectional drawing which shows the structure of the auxiliary lighting apparatus which concerns on the 1st Embodiment of this invention. It is a conceptual diagram which shows the light source of the auxiliary | assistant illumination device which concerns on the 1st Embodiment of this invention. (A) is an expanded sectional view of the auxiliary lighting device which concerns on the 1st Embodiment of this invention, (b) is an expanded sectional view of the 1st modification of the auxiliary lighting device which concerns on 1st Embodiment. It is. (A) is an expanded sectional view of the 2nd modification of the auxiliary lighting apparatus which concerns on the 1st Embodiment of this invention, (b) is the 3rd of the auxiliary lighting apparatus which concerns on 1st Embodiment. It is an expanded sectional view of a modification. (A) is an expanded sectional view of the auxiliary illuminating device which concerns on the 2nd Embodiment of this invention, (b) is an expanded sectional view of the 1st modification of the auxiliary illuminating device which concerns on 2nd Embodiment. It is. It is sectional drawing which shows the structure of the auxiliary lighting apparatus which concerns on the 3rd Embodiment of this invention. It is sectional drawing which shows the structure of the illumination system which concerns on the 4th Embodiment of this invention. It is an expanded sectional view of the auxiliary lighting apparatus in the lighting system which concerns on the 4th Embodiment of this invention. It is sectional drawing which shows a structure to the illuminating device for demonstrating the prior art of this invention.

The auxiliary lighting device according to the first embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is a cross-sectional view showing a configuration of an auxiliary illumination device according to the first embodiment of the present invention. In addition, the same code | symbol is attached | subjected about the structure same as the structure described in FIG. 9, and the description is abbreviate | omitted. FIG. 2 is a conceptual diagram showing a light source of the auxiliary illumination device according to the first embodiment. FIG. 3A is an enlarged sectional view of the auxiliary lighting device according to the first embodiment, FIG. 3B is an enlarged sectional view of the first modification, and FIG. 4A is a second modification. (B) is an expanded sectional view of the 3rd modification.
In FIG. 1, the auxiliary lighting device 1 is installed around the ceiling surface 42 a of the lighting device 31 installed in a recess 43 formed in the back of the ceiling 42. The auxiliary lighting device 1 includes a substrate 2 and LED elements 3, and the shape and arrangement of the auxiliary illumination device 1 are similarly formed on the surface of the substrate 2 formed in an annular shape, as shown in FIG. Elements 3 are arranged. In addition, an annular cover 4 having translucency configured to cover the substrate 2 and a fastener 5 having a U-shaped cross-section for locking the cover 4 are provided.
Electric power for the LED element 3 as a light source is supplied through the DC cable 8 after the AC driver 7 is connected to the AC cable 33 branched from the AC cable 33 of the AC power supply 32 and DC conversion is performed.
Furthermore, in the auxiliary lighting device 1 according to the first embodiment, the conventional lighting device 31 does not have a structure for inserting one end of the fastener 5 that fixes the cover 4. The cylindrical insert 6 provided with the flange 6a is inserted into the recess 43, and one end of the fastener 5 is inserted into the gap between the flange 6a and the ceiling surface 42a.

Next, with reference to FIGS. 3 and 4, the configuration of the auxiliary lighting device 1 and the installation method thereof will be described in detail including a plurality of modifications.
In FIG. 3A, a support member 9 that is a mount for floating and holding the substrate 2 is formed on the inner surface of the cover 4 of the auxiliary lighting device 1, and the surface of the substrate 2 on which the LED element 3 is mounted. The substrate 2 is placed on the support member 9 as it is with the side facing down. By forming the support member 9 in this manner, the substrate 2 can be stably fixed, and the distance between the LED element 3 and the inner surface of the cover 4 can be maintained constant and can be held without contacting the inner surface. is there. Further, the substrate 2 can be easily replaced.
In addition, a slit-like hole 10 into which one end of a fastener 5 in which a thin plate is formed in a U-shaped cross-section can be inserted in the upper portion of the cover 4. Further, the other end of the fastener 5 is formed by the upper surface of the cover 4 and the upper surface of the flange portion 6a of the cylindrical insert 6 shown in FIG. 1 (surface on the side in contact with the ceiling surface 42a) and the ceiling surface 42a. It is inserted in the gap. The other end of the fastener may be provided with another slit-like hole that can be inserted into the cover 4 and inserted into the gap between the upper surface of the flange 6a and the ceiling surface 42a through the hole.

In the auxiliary lighting device 1 configured as described above, as schematically illustrated in FIG. 1, illumination installed in the recess 43 by the LED element 3 configured in an annular shape on the ceiling surface 42 a around the lighting device 31. In addition to the surrounding ceiling surface 42a, which is difficult to illuminate with the device 31, it is possible to sufficiently irradiate the area where the illuminance is lower below it. Is possible. Comparing the distribution of the bright area and the dark area shown in FIG. 9 with the distribution of the bright area and the dark area shown in FIG. 1, it can be well understood that the bright area shown in FIG. 1 is enlarged. In addition, the distribution of the bright region and the dark region shown in FIG. 1 is not shown in the drawings relating to other embodiments and modifications thereof, but can be similarly distributed.
Further, by controlling the lighting device 31 independently from the lighting device 31, it is possible to stop the light emission of the LED element 3 while the lighting device 31 is used as a downlight, and the auxiliary lighting device 1 is installed. It is possible to freely select lighting and extinguishing according to the usage environment and situation of the room.
Further, in the auxiliary lighting device 1, the weight of the substrate 2 on which the LED element 3 is mounted and the cover 4 are supported by the cylindrical insert 6 via the fastener 5. Therefore, if the cylindrical insert 6 is fixed to the recess 43, the cover 4 can be easily attached and detached, and the substrate 2 and the cover 4 can be easily replaced in a short time.

Next, a modification shown in FIG. 3B will be described. In FIG. 3B, one end of the fastener 5 is inserted into the slit-shaped hole 10 and is positioned on the lower surface side of the substrate 2 so that the load of the substrate 2 can be supported. 5 spans are formed wide. That is, the distance between the LED element 3 and the inner surface of the cover 4 can be kept constant without providing the support member 9 by sandwiching the flange 6a of the cylindrical insert 6 and the substrate 2 with the fastener 5. Thus, it can be held without contacting the inner surface.
The cover 4 may be transparent, translucent, or colored as long as it has translucency. Coloring is not particularly limited as long as it is appropriately determined according to the environment and situation in which the auxiliary lighting device 1 is used in addition to basic colors such as red, blue, yellow, and green. The material is preferably a synthetic resin such as so-called plastic, but this is not particularly limited. Further, in the present embodiment shown in FIG. 3A, the support member 9 is provided on the inner surface of the cover 4 to support the substrate 2. However, the lower surface of the flange portion 6a shown in FIG. Or may be fixed with screws or the like. However, in the case where an adhesive is used, it is desirable that the adhesive is not an adhesive that deteriorates due to heat generation of the LED element 3 and the substrate 2 is peeled off from the flange portion 6a.
In the present embodiment, it is assumed that there is no structure for locking the cover 4 on the ceiling surface 42 a around the lighting device 31. The cover 4 is locked with the collar 6a as a structure. However, when there is a structure that can lock the cover 4 around the lighting device 31, the collar 6a is provided. It goes without saying that the cylindrical insert 6 need not be used.
In addition to FIG. 1, the support member 9 is not shown in FIGS. 6 and 7, but it is not excluded to provide the support member 9 in these embodiments and modifications thereof.

Next, the second and third modified examples of the auxiliary lighting device according to the present embodiment will be described with reference to FIG. The cover 4a of the auxiliary lighting device 1a according to the modification shown in FIG. 4A includes an edge portion 11 in which a retaining hole 12 is formed. In the first embodiment, the cover 5 is locked with the fastener 5, but the fastener 12 is not provided with the fastener 5 as in the present modification, and the ceiling surface 42 a has a nail or the like. You may fix using fixing tools, such as a screw and a volt | bolt. However, if such a fixture is used, it cannot be easily attached and detached. If the fixture is replaced, the hole on the ceiling surface 42a side where the fixture is fastened becomes large and cannot be fixed, or a new hole is provided in another place. Opening may damage the aesthetic appearance of the original hole and may not always be preferable.
FIG. 4B shows a modification in which the cover 4 a of the auxiliary lighting device 1 a is formed integrally with the cover 40. Generally, the cover 40 of the lighting device 31 is installed as a single unit. When an auxiliary lighting device is added thereafter, the cover is also considered to be configured as a single unit, but the auxiliary lighting device is installed in advance. In the auxiliary lighting device 1a in the case where it is decided to do so, the cover 40 of the lighting device 31 and the cover 4a of the auxiliary lighting device 1a can be integrated. By integrating in this way, it becomes possible to attach and detach the cover 40 at the same time as the cover 4a of the auxiliary lighting device 1a, and the cover 4a and the cover 40 are exchanged and the respective LED elements 3 and 39 are easily performed in a short time. It is possible, and the variation of the light emission of the illuminating device 31 and the auxiliary illuminating device 1a can be easily configured and changed.
In such a case, the colors of the cover 40 and the cover 4a may be unified according to the environment and situation in which the lighting device 31 and the auxiliary lighting device 1a are used, or may be separately colored.
Furthermore, it is not excluded that these modified examples are adopted in other embodiments and modified examples.

Next, an auxiliary lighting device according to a second embodiment of the present invention will be described with reference to FIG. Fig.5 (a) is an expanded sectional view of the auxiliary | assistant illumination device which concerns on the 2nd Embodiment of this invention, FIG.5 (b) is the modification.
In FIG. 5 (a), the auxiliary illumination device 1b according to the second embodiment has a slope on the surface, whereas the substrate 2 of the auxiliary illumination device 1 according to the first embodiment is a flat plate. Is included. The inclined surface 16a of the inclined substrate 15 is formed so as to face the outer side of the annular ring. By mounting the LED element 3 on the inclined surface 16a, the light emitting surface from the LED element 3 is formed by the inclined surface 16a from the vertical direction. Depending on the angle, it will be formed towards the outside of the ring. Therefore, the light emitted from the LED element 3 can be delivered farther along the ceiling surface 42a, and therefore, the light can be irradiated to a wider area around the lighting device 31.
Further, the slope 16 a has an angle and an area so that the LED element 3 to be mounted does not contact the inner surface of the cover 4, and the bottom surface 16 b supports the inclined substrate 15 a by contacting the inner surface of the cover 4. Since it is considered that the bottom surface 16b is darkened by contacting the inner surface of the cover 4, it is desirable that the area of the bottom surface 16b is as small as possible. A gap may be provided between them. Providing the support member 9 can suppress the generation of shadows and contribute to light emission from the entire cover 4.

Furthermore, instead of the bottom surface 16b, a slope formed symmetrically with the slope 16a may be provided to form a chevron substrate. Since it is configured in an annular shape, even if slopes are formed on both sides from the downward vertex at the center, the vertex is formed in an annular shape and can be supported by that portion.
Furthermore, it may be configured as in the modification shown in FIG. The inclined substrate 15b of the auxiliary lighting device 1b has a shape obtained by cutting a part of a cone horizontally, that is, a shape having no upper and lower surfaces of the truncated cone. Also in the modified example configured as described above, the substrate 16 can be supported because the apex 16c that contacts the cover 4 is formed in an annular shape. In addition, when the position of the vertex 16c is set as close as possible to the center side (right side in the drawing) of the illuminating device 31, generation of shadows can be suppressed when light is emitted from the entire cover 4.
In this case as well, the LED element 3 is mounted on the formed slope 16a. It is desirable that the angle and area of the slope 16a are such that the LED element 3 does not contact the inner surface of the cover 4.
In addition, about the inclination | tilt angle of the slope in this Embodiment, it is good to determine suitably according to the use of the auxiliary | assistant illumination device 1b other than not contacting the cover 4 inner surface of the LED element 3. FIG. In other embodiments and modifications thereof, the substrate 2 can be an inclined substrate 15a, 15b or a chevron substrate.

Next, an auxiliary lighting device according to a third embodiment of the present invention will be described with reference to FIG. FIG. 6 is a cross-sectional view showing a configuration of an auxiliary lighting device according to the third embodiment of the present invention.
In FIG. 6, the auxiliary lighting device 1 c is locked to the decorative edge surface 17 provided on the ceiling surface 42 a around the lighting device 31. In general, in a lighting device 31 such as a downlight, a frame (a bowl-shaped portion) is formed around the hood 36, and a part of the ceiling surface 42a around the recess 43 is covered in an annular shape, or a frame (a bowl-shaped portion). In general, the illumination device 31 is not only accommodated in the recess 43 formed in the ceiling, but the decorative edge surface 17 is provided on the ceiling surface 42a. In 3rd Embodiment, when the decorative edge surface 17 is provided in the ceiling surface 42a, the case where the decorative edge surface 17 is utilized as a structure for latching the cover 4 of the auxiliary lighting device 1c is assumed. doing. Therefore, in the third embodiment, one end of the fastener 5 is inserted into the hole 10, and the other end of the fastener 5 is the upper surface of the cover 4 and the upper surface of the decorative edge surface 17 (the ceiling surface 42a and the upper surface). The surface on the contact side) and the ceiling surface 42a.
In this way, in the auxiliary lighting device 1 c, the weight of the substrate 2 and the cover 4 on which the LED element 3 is mounted is supported by the decorative edge surface 17 via the fastener 5.

Next, an illumination system according to a fourth embodiment of the present invention will be described with reference to FIGS. FIG. 7 is a cross-sectional view showing a configuration of an illumination system according to the fourth embodiment of the present invention, and FIG. 8 is an enlarged cross-sectional view of an auxiliary illumination device in the illumination system.
In FIG. 7, the lighting device 18 constituting the lighting system 1 e draws an AC cable 33 from the AC power supply 32, converts the AC to DC by the switch mode power supply converter 19, and the downward warm color LED 24 a installed on the substrate 23 and Power is supplied to the cold-color LED 24b. Light emitted from the warm color LED 24a and the cold color LED 24b irradiates the lower part while being reflected by the reflecting mirror 22 provided in the hood 21 of the illumination device 18 and passing through the translucent cover 25.
Further, in the lighting device 18, the hook-shaped portion (frame) 27 is inserted into the gap between the hood 21 and the reflecting mirror 22, and is hook-shaped so as to be locked to the recess formed in the cylindrical portion of the hood 21. The cylindrical part of the part 27 has a structure fitted with a depression at a position where the cylindrical part matches. With this structure, the bowl-shaped portion 27 is fixed, and the bowl-shaped portion 27 covers the periphery of the ceiling surface 42 a of the recess 43 in an annular shape. In the present embodiment, the hook-shaped portion 27 is fixed by a fitting structure with the hood 21, but is not particularly limited to this method, and the fixing method of the hook-shaped portion 27 is the reflecting mirror 22. A fastening portion may be provided and fixed to the lower end of the hood 21 and the lower end of the hood 21.
The radiating fin 20 is also provided in the lighting device 18, and the hood 21 includes a fixture 28 whose lower end is seated on the back surface of the ceiling 42, and the concave portion 43 is supported by the lighting device 18 supported by the fixture 28. It is fixed inside.

As shown in FIG. 8, the auxiliary lighting device 1 d constituting the lighting system 1 e has one end of the fastener 5 inserted through the hole 10, and the other end of the fastener 5 is the upper surface of the cover 4 and the lighting device. 18 is inserted in a gap between the top surface (the surface on the side in contact with the ceiling surface 42a) and the ceiling surface 42a.
Therefore, in the auxiliary lighting device 1 d, the weight of the substrate 2 on which the LED element 3 is mounted and the cover 4 is supported by the hook-shaped portion 27, that is, the lighting device 18 through the fastener 5.

Next, the lighting device 18 will be described. In the illumination system 1e according to the present embodiment, two types of LEDs, a warm color LED 24a and a cold color LED 24b, are simultaneously mounted on the substrate 23 as LED elements that are light sources of the illumination device 18. A plurality of these warm color LEDs 24a and cold color LEDs 24b may be mounted.
In this way, both the warm color LED 24a and the cold color LED 24b are mounted on the substrate 23, and further, by mounting a switch mode power supply (SMPS) 19, it is possible to selectively emit light. It is. The switch mode power supply converter 19 is not only a converter for converting alternating current into direct current, but is also a switchable power converter. When the switch is turned on, the light emission color can be selected.
By making it possible to select a warm color light emission color and a cold color light emission color in this way, it is possible to more effectively exhibit the color rendering by the light emission color that is famous as the effect of Kruitoff. As a simple example, a cold color emission color is selected during a hot summer season, and a warm color emission color is selected during a cold winter season. Of course, it is also possible to exhibit the color rendering properties even during the time of the day.
Moreover, you may employ | adopt not only warm color type | system | group and cold color type | system | group as an LED element but what radiates | emits the luminescent color of those intermediate systems. The type and number of LED elements with different color temperatures may be determined as appropriate depending on the application.

  In the power converter according to the present embodiment, the switch mode power converter 19 equipped with a switch mode is adopted. However, a converter capable of simply converting AC (AC) / DC (DC) is provided, and a rotary is separately provided on the switch side. A switch capable of mode selection such as a switch may be adopted. Furthermore, if necessary, a switch mode may be added to the AC driver 7 of the auxiliary illumination device, or a switch for changing the illumination mode may be provided separately from the illumination device.

Further, the LED elements are configured as a group of LED elements that respectively emit one of the three primary colors of light, red (R), green (G), and blue (B), and each group is individually or desired. A combination of groups, and further a desired group combination including the number of light emission in each group, may be controlled so that a desired hue can be developed.
By arranging such a plurality of LED elements on the substrate 23, light emission of various hues can be expressed, so that it is possible to freely select the light emission color including white (or colorless) depending on the situation. .

In the paragraphs 0035 to 0037, the LED elements mounted on the substrate 23 of the lighting device 18 have been described. However, the LED elements as described (warm color LED 24a, cold color LED 24b, intermediate LED, red LED, green LED) LED, blue LED, and the like) and the control thereof may be adopted for the LED element 3 mounted on the substrates 2 and 15 of the auxiliary illumination devices 1 to 1d described so far. Further, particularly when employed in the lighting device 18 and the auxiliary lighting device 1d of the lighting system 1e, according to the situation, the LED element of the lighting device 18 and the LED element of the auxiliary lighting device 1d are separately controlled. Accordingly, a more effective light emission pattern can be produced.
The auxiliary lighting device 1d according to the present embodiment may adopt the structure of the auxiliary lighting device according to the embodiment described above or the modification thereof, and in that case, the same operation as those may be employed. , Can be effective.

As described above, the auxiliary lighting device and the lighting system according to the embodiment of the present invention can exhibit the following excellent effects.
(1) It is possible to efficiently and effectively illuminate the ceiling surface around the lighting device and its lower part.
(2) It is possible to detachably fix the substrate on which the LED element is mounted by providing a support member serving as a mounting portion for the substrate on the inner surface of the cover, and the distance between the LED element and the lower surface of the cover is also easy. It is possible to take.
(3) If there is a structure provided around the lighting device, it can be easily locked and detachably fixed to the structure, and the construction can be carried out easily, in a short period of time and at low cost. Is possible. In addition to the time, season, and land pattern, it is convenient to change the cover according to the purpose, and can be changed frequently. In addition, the cover can be colored in various colors such as red, green, blue, yellow, white (or colorless), and transparent or translucent can be selected.
(4) When there is no structure provided around the lighting device, a cylindrical insert with a collar is inserted into the recess to easily lock the collar as a structure and fix it detachably. The same effect as (3) can be exhibited.
(5) By using at least two types of LED elements with different color temperature specifications and LED elements that emit light of one of the three primary colors of red, green, and blue, the auxiliary lighting device can be used. It is possible to produce various emission colors, emission patterns, and hues depending on the situation. Further, in the illumination system, the LED elements employed in the illumination device are similarly employed, and by performing independent and independent control, further various emission colors, emission patterns, and hues can be produced.

  The invention described in claims 1 to 8 of the present invention is used for various lighting devices and lighting systems including downlights.

  DESCRIPTION OF SYMBOLS 1 ... Auxiliary illumination apparatus 1a-1d ... Auxiliary illumination apparatus 1e ... Illumination system 2 ... Board | substrate 3 ... LED element 4, 4a ... Cover 5 ... Fastener 6 ... Cylindrical insert 6a ... Buttocks 7 ... AC driver 8 ... DC cable DESCRIPTION OF SYMBOLS 9 ... Support member 10 ... Hole 11 ... Edge part 12 ... Fastening hole 15a, 15b ... Inclined board 16a ... Inclined surface 16b ... Bottom surface 16c ... Vertex 17 ... Decoration edge surface 18 ... Illuminating device 19 ... Switch mode power supply converter 20 ... Radiation fin 21 ... Hood 22 ... Reflector 23 ... Substrate 24a ... Warm color LED 24b ... Cold color LED 25 ... Cover 27 ... Gutter 28 ... Fixture 31 ... Illumination device 32 ... AC power source 33 ... AC cable 34 ... Power converter 35 ... Heat dissipation Fin 36 ... Hood 37 ... Reflector 38 ... Substrate 39 ... LED element 40 ... Cover 41 ... Fixing tool 2 ... ceiling 42a ... ceiling surface 43 ... recess

Claims (8)

  An auxiliary illumination device installed around an illumination device installed in a concave portion of a ceiling, wherein an annular substrate, a plurality of LED elements arranged on the surface of the substrate, and the plurality of LED elements are arranged And an annular light-transmitting cover that accommodates the formed substrate.   The cover is fixed with a fastener, the fastener is formed in a U-shaped cross section, and one end is locked to the cover, and the other end is inserted into a gap in the structure to attach the cover to the structure. The auxiliary lighting device according to claim 1, wherein the auxiliary lighting device is attached to an object.   The auxiliary lighting device according to claim 1, wherein the cover includes a mount portion that supports a surface of the substrate on an inner side.   The annular substrate includes an inclined surface, and the LED elements are arranged on the inclined surface, and the inclined surface emits light emitted from the LED element toward an outer side of the ring formed by the substrate. The auxiliary lighting device according to claim 1, wherein the auxiliary lighting device is formed as described above.   The plurality of LED elements are at least two types of LED elements having different color temperature specifications, and these at least two types of LED elements are controlled to be capable of emitting light individually or in desired combinations for each different type. The auxiliary illumination device according to any one of claims 1 to 4, wherein   The plurality of LED elements constitutes a group of LED elements each emitting one of the three primary colors of light, red, green, and blue, and each group alone or a combination of desired groups, and further each group 5. The auxiliary illumination device according to claim 1, wherein the auxiliary illumination device is controlled so as to be able to develop a desired hue with a combination of desired groups including the number of light emission in the light source.   A casing formed in a cylindrical shape with a bowl-shaped portion covering the periphery of the concave portion of the ceiling when inserted into the concave portion of the ceiling, and installed in the concave portion of the ceiling; An illumination system comprising: an illumination device that houses and emits light; and the auxiliary illumination device according to any one of claims 1 to 6 around the illumination device.   The lighting system according to claim 7, wherein the LED element of the lighting device and the plurality of LED elements of the auxiliary lighting device are controlled to emit light independently of each other.

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