JP2007172895A - Lighting system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting system for a building wherein heat generated in an LED light source can be efficiently radiated, and a temperature in a space to be illuminated can be prevented from rising due to the radiation of heat. <P>SOLUTION: This lighting system 50 is installed at a baseboard part made by the floor 24 and the inner wall part 25 of a room 22 to illuminate the room 22. The lighting system 50 is equipped with the LED light source 11 having a plurality of LED elements, a heat storage part 51 to store heat generated by the LED light source 11, a heat radiating part 22 to radiate heat stored in the heat storage part 51, a reflecting part 53 located in the vicinity of the LED light source 11 to reflect luminous flux P emitted from the LED light source 11, and a transparent plate 54 which transmits the luminous flux P and covers the opening of the left side end part formed by the reflecting part 53 and the like, and heat is radiated to an inner wall space 45 from the heat radiating part 52. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a building lighting device using an LED light source.

  In recent years, a lighting device for buildings using an LED light source has been proposed as an increase in the number of colors and brightness of an LED light source and the convenience as a lighting device can be improved (for example, Patent Document 1). reference).

  18A and 18B are diagrams illustrating a configuration example of an LED light source, in which FIG. 18A is a plan view, FIG. 18B is a front view, and FIG. 18C is a cross-sectional view.

  As shown in FIG. 18, the LED light source 11 includes a rectangular plate-shaped substrate 12, a reflecting plate 13 provided on one surface of the substrate 12 (an upper surface in FIG. 18C), and an LED element 14. A phosphor 15 and a lens 16.

  The base 12 is formed by stacking rectangular metal plates in multiple layers. Further, a plus electrode 17 and a minus electrode 18 are attached to the substrate 12 by being sandwiched between the multilayer metal plates. In this case, the plus electrode 17 and the minus electrode 18 are not short-circuited. Further, as the main material of the substrate 12, a material that easily releases the heat of the LED element 14, that is, a metal material having a high thermal conductivity, such as aluminum or an aluminum-based alloy, is used.

  Moreover, the reflecting plate 13 has a frame shape and is disposed on the outer peripheral portion of the base 12 and reflects light on the inner surface thereof.

  In addition, the LED element 14 is installed on the inner side of the reflecting plate 13, that is, in the center of the base 12. The LED element 14 has a plus electrode 14a and a minus electrode 14b on the lower surface thereof. The plus electrode 14a and the minus electrode 14b are connected to the plus electrode 17 and the minus electrode 18 of the substrate 12, respectively. The LED element 14 is turned on (emits light) when a low-voltage direct current is supplied through the plus electrode 14a and the minus electrode 14b.

  The phosphor 15 is formed so as to cover the LED element 14, and the lens 16 is formed so as to cover the inner surface of the reflecting plate 13 and the phosphor 15.

Japanese Patent Laid-Open No. 11-260134

  By the way, the LED light source 11 can contribute to power saving with a long life, and has an advantage that the circuit configuration is simple. Heat is generated, the temperature rises, and the luminous efficiency of the LED light source 11 decreases.

  For this reason, when using the LED light source 11 as a light source of the illuminating device for buildings, it is preferable to radiate the heat generated by the LED light source 11.

  However, for example, when illuminating a predetermined living space with the LED light source 11 (illuminating device), if the heat generated by the LED light source 11 is radiated to the living space, the heat is accumulated in the living space, and the temperature of the living space increases. The problem of end up occurs.

  An object of the present invention is to provide an illumination device for a building that can efficiently dissipate heat generated by an LED light source and can prevent the temperature of an illumination space from rising due to the heat dissipation. There is to do.

Such an object is achieved by the present inventions (1) to (13) below.
(1) An illumination device installed in a building, including an LED light source, a heat storage unit that stores heat generated by the LED light source, and a heat dissipation unit that radiates heat stored in the heat storage unit,
The heat dissipating part is located in a different part from the space illuminated by the lighting device, and heat generated by the LED light source is radiated from the heat dissipating part to a different part from the space illuminated by the lighting device. A lighting device characterized by that.

  (2) The illumination device according to (1), wherein the LED light source is installed on any one of a floor or the vicinity thereof, a wall portion or the vicinity thereof, a ceiling or the vicinity thereof.

  (3) The said heat radiating part is an illuminating device as described in said (1) or (2) comprised so that heat may be radiated to the housing space of the said building.

  (4) The lighting device according to (1) or (2), wherein the heat dissipating unit is configured to dissipate heat to the ventilation layer of the building.

  (5) The lighting device according to (1) or (2), wherein the heat dissipating unit is configured to dissipate heat into a predetermined constituent member constituting the building.

  (6) The lighting device according to (5), wherein the constituent material of the constituent member includes concrete.

  (7) The lighting device according to (1) or (2), wherein the heat dissipating unit is configured to dissipate heat to the outside of the building.

  (8) At least a part of the heat dissipating part and the heat storage part is covered with a heat insulating material, and the heat dissipating from the portion covered with the heat insulating material is prevented (1) to (1) to (7) The illuminating device in any one of.

  (9) The lighting device according to any one of (1) to (8), wherein the heat storage unit and the heat dissipation unit are integrally formed.

  (10) The illumination device according to any one of (1) to (9), wherein a reflector is provided in the vicinity of the LED light source.

  (11) The illumination device according to (10), wherein the reflector, the heat storage unit, and the heat dissipation unit are integrally formed.

  (12) The lighting device according to any one of (1) to (11), wherein the heat storage unit also serves as a support unit that supports the LED light source.

  (13) The lighting device according to any one of (1) to (12), wherein the heat dissipating unit includes a plurality of heat dissipating fins provided upright from the heat storage unit.

  According to the present invention, it is possible to efficiently dissipate heat generated by the LED light source, thereby suppressing (or preventing) a decrease in light emission efficiency due to a temperature rise of the LED light source, thereby efficiently. Can be illuminated.

  Moreover, since the heat generated by the LED light source is radiated to a part different from the space illuminated by the lighting device, it is possible to prevent the temperature of the space illuminated by the lighting device from rising due to the heat radiation.

DESCRIPTION OF EMBODIMENTS Hereinafter, a lighting device of the present invention will be described in detail based on preferred embodiments shown in the accompanying drawings.
FIG. 1 is a cross-sectional view showing a schematic structure of a building in which a lighting device according to an embodiment of the present invention is installed.

  For convenience of explanation, in FIG. 1, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 1 is the vertical direction, and the horizontal direction is the horizontal direction.

  As shown in FIG. 1, a house (house) 20 as a building is a two-story wooden house (a wooden building), and includes three living spaces (rooms) 21, 22 and 23, and other illustrations. It has the housing 30 which defines the space which is not. Examples of the living spaces 21 to 23 include various living rooms, bedrooms, kitchens, bathrooms, toilets, entrances, hallways, and the like. In the following description, the living spaces 21 to 23 are referred to as rooms 21 to 23, respectively, so that the living spaces 21 to 23 can be easily imagined.

  The housing 30 is located above the base (base) 31 that defines the planar shape of the house 20, the outer wall (outer wall) 32 that rises so as to surround the outer periphery of the base 31, and the outer wall 32. A roof part (roof) 33 covering the inside of the outer wall part 32 and the outer wall part 32, a floor 24, an inner wall part (inner wall) 25, and a ceiling 26 that define (partition) the chambers 21, 22, and 23, respectively. Yes. Moreover, the heat insulating material 34 is laminated | stacked on the inner surface of the outer wall part 32 and the roof part 33, respectively (it is provided). For example, a decorative panel (for example, a siding board) that covers the whole or a part of the outer wall portion 32 via a predetermined space (gap) may be provided outside the outer wall portion 32.

  A housing space 40 is formed inside the housing 30. The enclosure space 40 is a continuous space (communication space) formed by communicating a hut space 41, an underfloor space 42, a toilet space 43, and inner wall spaces (inner wall cavities) 44, 45, and 46.

  The hut space 41 is a space formed below the roof portion 33, that is, a space formed between the roof portion 33 and the ceiling 26 of the chamber 21 and the ceiling 26 of the chamber 23.

  The underfloor space 42 is a space formed between the base 31 and the floor 24 of the chamber 22 and the floor 24 of the chamber 23.

  The space 43 is a space formed between adjacent upper and lower floors (between the first floor and the second floor in this embodiment), that is, between the floor 24 of the chamber 21 and the ceiling 26 of the chamber 22. It is a space formed along the horizontal direction.

  The inner wall space 44 is a space formed along the vertical direction (vertical direction) between the outer wall portion 32, the left inner wall portion 25 of the chamber 22, and the left inner wall portion 25 of the chamber 22.

  The inner wall space 45 is a space formed along the vertical direction (vertical direction) between the inner wall portion 25 on the right side of the chamber 21 and the inner wall portion 25 on the right side of the chamber 22 and the inner wall portion 25 on the left side of the chamber 23. is there.

  The inner wall space 46 is a space formed along the vertical direction (vertical direction) between the outer wall portion 32 and the inner wall portion 25 on the right side of the chamber 23.

  In addition, in the house 20, a ventilation part (inflow part) 35 for flowing (introducing) air (outside air) into the enclosure space 40 from outside the house 20, and air in the enclosure space 40 to the outside of the house 20. A ventilation part (outflow part) 36 that flows out (discharges) is provided.

  The ventilation portion 36 is formed on the top (center portion) on the right side of the roof portion 33, and has an opening (air outlet) (not shown) that connects the cabin space 41 and the outside, and a shutter (not shown) that opens and closes the opening. It consists of

  The ventilation section 35 is formed in the lower portion of the left outer wall section 32, and includes an unillustrated opening (air inlet) that communicates the underfloor space 42 and the inner wall space 44 with the outside, and an unillustrated opening and closing of the opening. And a shutter.

  In addition, you may provide air supply apparatuses, such as a fan, in either one or both of the ventilation part 35 and the ventilation part 36, for example.

  Each of the shutters has a driving mechanism (not shown) and is driven by the driving mechanism to open and close.

  When each shutter is opened, the air outside the house 20 flows from the ventilation section 35 into the underfloor space 42 and the inner wall space 44 (the housing space 40), and the air flows into the underfloor space 42, the inner wall spaces 44, 45, 46, It flows through the space 43 and the hut space 41 (the housing space 40) toward the ventilation part 36 and flows out of the house 20 from the ventilation part 36. Thereby, while being able to ventilate the housing space 40, the thermal energy in the housing space 40 can be discharge | released, and also the moisture in the housing space 40 can be removed. As a result, an increase in the temperature and humidity in the housing space 40, that is, the house 20, can be suppressed, and the temperature and humidity can be made uniform. Thereby, it can live comfortably in the house 20, and the durability of the house 20 can be improved.

Hereinafter, each embodiment of the illuminating device of this invention is described sequentially.
<First Embodiment>
2A and 2B are diagrams showing a first embodiment of the lighting device of the present invention. FIG. 2A is a cross-sectional view, and FIG. 2B is a perspective view.

  For convenience of explanation, in FIG. 2, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 2 is the vertical direction, and the horizontal direction is the horizontal direction.

  As shown in FIG. 2, the lighting device 50 is installed at the baseboard portion formed by the floor 24 and the inner wall portion 25 of the chamber 22, that is, at the end portion of the floor 24 and the lower end portion of the inner wall portion 25. The chamber 22 is illuminated from the opening formed in the lower end portion of 25.

  The illumination device 50 includes an LED light source 11 having a plurality of LED (light emitting diode) elements, a heat storage unit 51 that stores (absorbs) heat generated by the LED light source 11 (particularly, the back side of the LED light source 11), and a heat storage unit. A heat-dissipating part (heat sink) 52 that dissipates the heat stored in 51 and a reflecting part (reflecting plate) that is located in the vicinity of the LED light source 11 and reflects an illumination light beam (light beam) P emitted (emitted) from the LED light source 11 ) 53, and a transparent plate 54 that transmits the illumination light beam P emitted from the LED light source 11 and closes (covers) the opening at the left end portion formed by the reflecting portion 53 and the like.

  In the example of illustration, the heat storage part 51, the thermal radiation part 52, and the reflection part 53 are integrally formed. Thereby, the illuminating device 50 can be manufactured easily.

  Note that only two of the heat storage unit 51, the heat dissipation unit 52, and the reflection unit 53 (for example, the heat dissipation unit 52 and the reflection unit 53) may be integrally formed, or all may be separate members ( It may be formed separately. Further, the reflection part 53 may be separated from the heat storage part 51 and the heat dissipation part 52.

  As the LED light source 11, in the illustrated example, a plurality of LED elements are arranged in a straight line along the depth direction of the paper surface (direction perpendicular to the paper surface) and packaged. The overall shape of the lighting device 50 is long and long in the depth direction of the paper. Moreover, the direction of the optical axis 111 of the LED light source 11 faces downward.

  The LED light source 11 is installed on the outside (right side) of the inner wall portion 25 and in the vicinity of the inner wall portion 25 and the floor 24 via the heat storage portion 51 and the like.

  The LED light source 11 is connected to a power supply unit (not shown) by a lead wire (cable) (not shown). When a current (for example, a low-voltage direct current) is supplied from the power supply unit, driving, that is, lighting (light emission) is performed. )

  Further, the color of the illumination light flux P of the LED light source 11, that is, the emission color of each LED element may be white, and may be various color colors such as red, green, and blue.

  Moreover, the luminescent color in each LED element may be the same, and may differ (a different color may be combined arbitrarily).

  The heat storage unit 51 also serves as a support unit (holding unit) that supports (holds) the LED light source 11, and the LED light source 11 is supported (held) by the heat storage unit 51 on the back surface thereof.

  The heat storage unit 51 has a plate shape that is long in the depth direction of the paper surface, and is installed so as to be substantially parallel to the horizontal plane.

  Moreover, it is preferable that the thickness of the heat storage part 51 is set thicker than the thickness of the thermal radiation part 52 and the reflection part 53 like the example of illustration. Thereby, the heat capacity of the heat storage unit 51 is increased, and the amount of heat that can be stored (heat storage amount) can be increased.

  Moreover, the heat storage part 51 may be solid and may have one or more hollow parts.

  As the constituent material of the heat storage unit 51, it is preferable to use a material having a large specific heat (heat capacity) or thermal conductivity, and for example, aluminum, an aluminum-based alloy, stainless steel, or the like can be used.

  The heat dissipating part 52 is composed of a plurality of (three in the illustrated example) heat dissipating fins erected upward from the heat accumulating part 51. Each radiating fin has a plate shape and is arranged substantially parallel to each other.

  The heat dissipating part 52 is located in the inner wall space 45 (part different from the space illuminated by the lighting device 50), and thereby heat generated in the LED light source 11 and stored in the heat accumulating part 51 (heat absorption), that is, The heat transferred (heat transfer) from the heat storage unit 51 is radiated from the heat radiating unit 52 to the inner wall space 45 (a part different from the space illuminated by the lighting device 50).

  As a constituent material of the heat radiation part 52, for example, aluminum, an aluminum-based alloy, stainless steel, or the like can be used.

  The reflection part 53 has an L-shaped cross-section and is erected downward from the heat storage part 51.

  The inner surface of the reflecting portion 53 (the surface on the side where the LED light source 11 is located) is a reflecting surface, and the reflecting surface can be, for example, a mirror surface, a diffusely reflecting surface on which light is irregularly reflected, or the like.

  In addition, the reflection direction of the illumination light beam P emitted from the LED light source 11 can be freely set by making the shape of the inner surface of the reflecting portion 53, for example, an aspherical surface such as a spherical surface, an elliptical surface, or a parabolic surface. You can also

  As a constituent material of the reflecting portion 53, for example, aluminum, an aluminum alloy, stainless steel, or the like can be used.

  In the lighting device 50, a lamp chamber 55 is defined by the heat storage unit 51, the reflection unit 53, the transparent plate 54, a member (not shown) on the front side of the paper, and a member (not shown) on the back side of the paper.

  Further, by providing the transparent plate 54, the lamp chamber 55 is hermetically sealed. Thereby, ventilation between the chamber 22 and the lamp chamber 55 can be prevented, and intrusion of dust and the like from the chamber 22 into the lamp chamber 55 can be prevented. It can always be in a clean state.

  The transparent plate 54 may be colored and transparent according to the purpose of use in the chamber 22 and various conditions, or may be colorless and transparent. Further, as the transparent plate 54, for example, a single or a plurality of optical components such as a lens and a diffusion plate may be used. Further, the transparent plate 54 may be omitted.

  As a constituent material of the transparent plate 54, for example, various glasses, various resins, and the like can be used.

Next, the operation (operation) of the lighting device 50 will be described.
When the LED light source 11 of the illumination device 50 is turned on (emits light), an illumination light beam P is emitted from the LED light source 11. A part of the illumination light beam P is transmitted through the transparent plate 54 and irradiated into the chamber 22, and another part of the illumination light beam P is reflected by the reflecting portion 53 and is transmitted through the transparent plate 54. 22 is irradiated, thereby illuminating the chamber 22. With this illumination, an aesthetic effect and a healing effect (relaxation effect) can be obtained.

  On the other hand, the heat generated in the LED light source 11 (particularly on the LED light source 11 side) is stored (absorbed) in the heat storage unit 51, transferred (heat transfer) to the heat dissipation unit 52, and radiated from the heat dissipation unit 52 to the inner wall space 45. Is done. At this time, the heat radiating part 52 is cooled by the air flowing through the inner wall space 45 and can radiate heat efficiently.

  As described above, according to the illumination device 50, an aesthetic effect and a healing effect (relaxation effect) can be obtained by the illumination.

  In addition, the heat generated by the LED light source 11 can be efficiently radiated, thereby suppressing (or preventing) a decrease in light emission efficiency due to the temperature rise of the LED light source 11, thereby efficiently illuminating. be able to.

  Moreover, since the heat generated by the LED light source 11 is radiated to the inner wall space 45 which is a part different from the room 22 illuminated by the lighting device 50, the temperature of the room 22 is prevented from rising due to the heat radiation. Can do. Thereby, it is possible to live comfortably in the room 22.

  Note that the transparent plate 54 is omitted, and an opening (through hole) is formed at a portion corresponding to the lamp chamber 55 of the heat storage section 51, so that the air in the chamber 22 flows into the lamp chamber 55 and the heat storage section 51. You may comprise so that it may flow out into the inner wall space 45 through opening of this.

Second Embodiment
FIG. 3 is a cross-sectional view showing a second embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 3, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 3 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illuminating device 60 of 2nd Embodiment is demonstrated centering on the difference with 1st Embodiment mentioned above, The description is abbreviate | omitted about the same matter.

  As shown in FIG. 3, the lighting device 60 according to the second embodiment is installed at a ceiling peripheral edge portion formed by the ceiling 26 and the inner wall portion 25 of the chamber 22, that is, at an end portion of the ceiling 26 and an upper end portion of the inner wall portion 25. The chamber 22 is illuminated from an opening formed in the upper end portion of the inner wall portion 25.

  The LED light source 11 is installed on the outside (right side) of the end portion of the ceiling 26 via the heat storage unit 51 and the like, and in the vicinity of the inner wall portion 25 and the ceiling 26.

The heat dissipating part 52 is located in the space 43, so that the heat generated in the LED light source 11 and stored in the heat accumulating part 51, that is, the heat transmitted from the heat accumulating part 51 is in the space from the heat dissipating part 52. 43 radiates heat.
According to the illumination device 60, the same effect as that of the first embodiment described above can be obtained.

<Third Embodiment>
FIG. 4 is a cross-sectional view showing a third embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 4, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Also, the vertical direction in FIG. 4 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 70 of the third embodiment will be described with a focus on differences from the first embodiment described above, and description of similar matters will be omitted.

  As shown in FIG. 4, the illumination device 70 of the third embodiment is installed in the middle of the height direction (vertical direction) of the inner wall portion 25 of the chamber 22, and from an opening formed in the middle of the inner wall portion 25. Illuminate the chamber 22.

  The LED light source 11 is installed on the outer side (right side) of the inner wall portion 25 in the vicinity of the inner wall portion 25 through the heat storage portion 51 and the like.

The heat dissipating part 52 is located in the inner wall space 45, whereby heat generated in the LED light source 11 and stored in the heat storage part 51, that is, heat transferred from the heat storage part 51 is transferred from the heat dissipating part 52 to the inner wall space. 45 radiates heat.
According to the illumination device 70, the same effect as that of the first embodiment described above can be obtained.

<Fourth embodiment>
FIG. 5 is a cross-sectional view showing a fourth embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 5, the left side is assumed to be “left” and the right side is assumed to be “right”. In addition, a direction perpendicular to the paper surface in FIG. 5 is a vertical direction, and an up-down direction and a left-right direction are horizontal directions.

  Hereinafter, the illumination devices 80a and 80b according to the fourth embodiment will be described with a focus on differences from the first embodiment described above, and description of similar matters will be omitted.

  As shown in FIG. 5, the lighting devices 80a and 80b of the fourth embodiment are installed on the inner wall 25 of the chamber 22 along the height direction (vertical direction) of the inner wall 25, respectively. The chamber 22 is illuminated from an opening formed along the height direction of the portion 25.

  The inner wall portion 25 is bent at two points in the middle thereof, and the right inner wall portion 25 is located on the upper side in FIG. 5 with respect to the left inner wall portion 25. The lighting device 80a is installed on the right inner wall 25, and the lighting device 80b is installed on the right inner wall 25.

  The lighting device 80a has two LED light sources 11. Each LED light source 11 is installed in the inner wall part 25 via the heat storage part 51 grade | etc.,. Each LED light source 11 has its optical axis 111 oriented downward in FIG.

  Moreover, the heat radiating part 52 of the lighting device 80a is located in the inner wall space 201, whereby the heat generated in the LED light source 11 and stored in the heat storage part 51, that is, the heat transmitted from the heat storage part 51 is Heat is radiated from the heat radiating portion 52 to the inner wall space 201.

  Moreover, the reflection part 53 of the illuminating device 80a is standingly arranged toward the downward direction in FIG. 5 from the heat storage part 51, and is comprised by a pair of plate body which mutually opposed.

  In the lighting device 80b, the LED light source 11 is installed on the inner wall portion 25 via the heat storage portion 51 and the like. Moreover, the direction of the optical axis 111 of the LED light source 11 faces downward in FIG.

  Moreover, the heat radiating part 52 of the lighting device 80b is located in the inner wall space 201, and thereby, the heat generated in the LED light source 11 and stored in the heat storage part 51, that is, the heat transmitted from the heat storage part 51 is Heat is radiated from the heat radiating portion 52 to the inner wall space 201.

  Moreover, the reflection part 53 of the illuminating device 80b has a substantially L-shaped cross section, and is erected from the heat storage part 51 downward in FIG. In this case, the lower side of the reflecting portion 53 in FIG. 5 is inclined at a predetermined angle with respect to the inner wall portion 25 (heat storage portion 51). This angle is appropriately set according to the illumination direction. The reflecting portion 53 also has a function of blocking direct light of the illumination light flux P emitted from the LED light source 11.

  The transparent plate 54 of the lighting device 80b is installed so as to be substantially perpendicular to the inner wall portion 25 (heat storage portion 51).

  According to the illumination devices 80a and 80b, the same effects as those of the first embodiment described above can be obtained.

<Fifth Embodiment>
FIG. 6 is a cross-sectional view showing a fifth embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 6, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Moreover, the up-down direction in FIG. 6 is a vertical direction, and the left-right direction is a horizontal direction.

  Hereinafter, the illumination devices 90a and 90b according to the fifth embodiment will be described with a focus on differences from the first embodiment described above, and description of similar matters will be omitted.

  As illustrated in FIG. 6, the illumination devices 90 a and 90 b of the fifth embodiment are respectively installed on the ceiling 26 of the chamber 22, and illuminate the chamber 22 from an opening formed in the ceiling 26.

The LED light source 11 is installed on the ceiling 26 via the heat storage unit 51 and the like.
The heat dissipating part 52 is located in the space 43, so that the heat generated in the LED light source 11 and stored in the heat accumulating part 51, that is, the heat transmitted from the heat accumulating part 51 is in the space from the heat dissipating part 52. 43 radiates heat. In this case, the heat dissipating part 52 of the lighting device 90a is composed of a plurality of (two in the illustrated example) heat dissipating fins standing upward from the heat accumulating part 51, and the heat dissipating part 52 of the lighting device 90b is a heat accumulating member. It is composed of one radiating fin that is erected upward from the portion 51.

  The reflection portion 53 is erected downward from the heat storage portion 51 and is composed of a pair of plate bodies facing each other.

  According to the illumination devices 90a and 90b, the same effect as that of the first embodiment described above can be obtained.

<Sixth Embodiment>
FIG. 7: is sectional drawing which shows 6th Embodiment of the illuminating device of this invention.

  For convenience of explanation, in FIG. 7, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 7 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 100 according to the sixth embodiment will be described with a focus on differences from the first embodiment described above, and description of similar matters will be omitted.

  As illustrated in FIG. 7, the illumination device 100 according to the sixth embodiment is installed on the floor 24 of the chamber 22, and illuminates the chamber 22 from an opening formed in the floor 24.

  The LED light source 11 is installed on the floor 24 via the heat storage unit 51 and the like. Moreover, the direction of the optical axis 111 of the LED light source 11 faces upward.

  The heat dissipating part 52 is located in the underfloor space 42, whereby heat generated in the LED light source 11 and stored in the heat accumulating part 51, that is, heat transferred from the heat accumulating part 51 is transferred from the heat dissipating part 52 to the underfloor space. The heat is radiated to 42. The heat dissipating part 52 is composed of a plurality of (two in the illustrated example) heat dissipating fins erected downward from the heat accumulating part 51.

The reflection part 53 is erected upward from the heat storage part 51, and is composed of a pair of plate bodies facing each other.
According to the illumination device 100, the same effect as that of the first embodiment described above can be obtained.

<Seventh embodiment>
FIG. 8 is a cross-sectional view showing a seventh embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 8, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 8 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 110 according to the seventh embodiment will be described with a focus on differences from the first embodiment described above, and description of similar matters will be omitted.

  As shown in FIG. 8, the illuminating device 110 of 7th Embodiment is installed in the steel frame house (steel frame building).

  This steel frame house has a steel frame (not shown) and a concrete wall 47 made of concrete (concrete material). In this case, it is preferable that a reinforcing bar is further provided.

  On the inner surface (left surface) of the portion of the concrete wall 47 corresponding to the inner wall portion of the chamber 22, an inner wall portion 25 made of, for example, a finishing material is provided. Moreover, the outer wall part 32 comprised by the finishing material etc. is provided in the outer surface (right surface) of the site | part corresponding to the outer wall part in the concrete wall 47, for example. In addition, on the inner surface (upper surface) of the portion corresponding to the floor of the chamber 22 in the concrete wall 47, for example, a floor 24 made of a finishing material or the like is provided. In addition, on the inner surface (lower surface) of the portion corresponding to the ceiling of the chamber 22 in the concrete wall 47, for example, a ceiling 26 made of a finishing material or the like is provided (see FIG. 9 showing an eighth embodiment described later). ).

  In addition, it is preferable that a heat insulating material is provided between any one of the concrete wall 47 and the inner wall portion 25 and between the concrete wall 47 and the outer wall portion 32.

  The finishing materials may be omitted, and the concrete wall 47 itself may constitute the inner wall portion 25, the outer wall portion 32, the floor 24, and the ceiling 26, respectively.

  The illuminating device 110 is installed at the baseboard portion formed by the floor 24 and the inner wall portion 25 of the chamber 22, that is, at the end portion of the floor 24 and the lower end portion of the inner wall portion 25, similarly to the illuminating device of the first embodiment described above. The chamber 22 is illuminated from an opening formed in the lower end portion of the inner wall portion 25.

  The heat dissipating part 52 has a plurality (three in the illustrated example) of ribs (projections) protruding upward from the heat storage part 51 and a plurality of (in the illustrated example) protruding outward (right side) from the reflecting part 53. 3) ribs (projections).

  The heat radiating part 52 is embedded in the concrete wall 47. Note that the heat radiating portion 52 may only be in contact with the concrete wall 47.

The heat generated by the LED light source 11 and stored in the heat storage unit 51, that is, the heat transmitted from the heat storage unit 51 is radiated from the heat dissipation unit 52 to the concrete wall 47.
According to the illumination device 110, the same effect as that of the first embodiment described above can be obtained.

  In addition, you may comprise so that the thermal radiation part 52 may be made to contact the steel frame and reinforcing bar which are not shown in figure, and to radiate heat to these steel frames and reinforcing bars.

  Alternatively, the outer (right side) surface (outer surface) of the reflecting portion 53 may be a flat surface, and the outer surface of the reflecting portion 53 may be a heat radiating portion.

<Eighth Embodiment>
FIG. 9 is a cross-sectional view showing an eighth embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 9, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 9 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illuminating device 120 of 8th Embodiment is demonstrated centering on the difference with 7th Embodiment mentioned above, The description is abbreviate | omitted about the same matter.

  As shown in FIG. 9, the lighting device 120 according to the eighth embodiment is installed at the ceiling peripheral edge portion formed by the ceiling 26 and the inner wall portion 25 of the chamber 22, that is, at the end portion of the ceiling 26 and the upper end portion of the inner wall portion 25. The chamber 22 is illuminated from an opening formed in the upper end portion of the inner wall portion 25.

The LED light source 11 is installed on the outside (right side) of the end portion of the ceiling 26 via the heat storage unit 51 and the like, and in the vicinity of the inner wall portion 25 and the ceiling 26.
According to the illumination device 60, the same effect as that of the first embodiment described above can be obtained.

<Ninth Embodiment>
FIG. 10 is a cross-sectional view showing a ninth embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 10, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 10 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 130 according to the ninth embodiment will be described with a focus on differences from the above-described seventh embodiment, and description of similar matters will be omitted.

  As shown in FIG. 10, the lighting device 130 according to the ninth embodiment is installed in the middle of the height direction (vertical direction) of the inner wall portion 25 of the chamber 22, and from an opening formed in the middle of the inner wall portion 25. Illuminate the chamber 22.

The LED light source 11 is installed on the outer side (right side) of the inner wall portion 25 in the vicinity of the inner wall portion 25 through the heat storage portion 51 and the like.
According to the illumination device 130, the same effects as those of the seventh embodiment described above can be obtained.

<Tenth Embodiment>
FIG. 11: is sectional drawing which shows 10th Embodiment of the illuminating device of this invention.

  For convenience of explanation, in FIG. 11, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 11 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination devices 140a and 140b according to the tenth embodiment will be described with a focus on differences from the seventh embodiment described above, and descriptions of similar matters will be omitted.

As illustrated in FIG. 11, the illumination devices 140 a and 140 b of the tenth embodiment are installed on the ceiling 26 of the chamber 22, and illuminate the chamber 22 from an opening formed in the ceiling 26.
The LED light source 11 is installed on the ceiling 26 via the heat storage unit 51 and the like.

  The heat dissipating part 52 of the lighting device 140 a is configured by a plurality of (two in the illustrated example) heat dissipating fins standing upward from the heat storage unit 51, and the heat dissipating part 52 of the lighting device 90 b is from the heat storage unit 51. It is comprised by the one radiation fin erected upward.

  The reflection portion 53 is erected downward from the heat storage portion 51 and is composed of a pair of plate bodies facing each other.

  According to the illumination devices 140a and 140b, the same effect as that of the seventh embodiment described above can be obtained.

<Eleventh embodiment>
FIG. 12 is a cross-sectional view showing an eleventh embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 12, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Also, the vertical direction in FIG. 12 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illuminating device 150 of 11th Embodiment is demonstrated centering around the difference with 7th Embodiment mentioned above, The description is abbreviate | omitted about the same matter.

  As shown in FIG. 12, the illumination device 150 of the eleventh embodiment is installed on the floor 24 of the chamber 22, and illuminates the chamber 22 from an opening formed in the floor 24.

  The LED light source 11 is installed on the floor 24 via the heat storage unit 51 and the like. Moreover, the direction of the optical axis 111 of the LED light source 11 faces upward.

  The heat dissipating part 52 is composed of a plurality of (two in the illustrated example) heat dissipating fins erected downward from the heat accumulating part 51.

The reflection part 53 is erected upward from the heat storage part 51, and is composed of a pair of plate bodies facing each other.
According to the illumination device 150, the same effects as those of the seventh embodiment described above can be obtained.

<Twelfth embodiment>
FIG. 13: is sectional drawing which shows 12th Embodiment of the illuminating device of this invention.

  For convenience of explanation, in FIG. 13, the left side is described as “left” and the right side is described as “right”. Further, a direction perpendicular to the paper surface in FIG. 13 is a vertical direction, and an up-down direction and a left-right direction are horizontal directions.

  Hereinafter, the illumination device 160 according to the twelfth embodiment will be described with a focus on differences from the seventh embodiment described above, and description of similar matters will be omitted.

  As shown in FIG. 13, in the illuminating device 150 of 12th Embodiment, the thermal radiation part 52 is installed in the exterior of a house, and it thermally radiates from the thermal radiation part 52 to the exterior of a house.

  In the illustrated example, the house is a steel frame house, and the concrete wall 47 is provided between the outer wall part 32 and the inner wall part 25. However, the present invention is not limited to this, and the outer wall part 32 and the inner wall part are not limited thereto. Between the part 25, heat insulation materials, such as glass wool, wood, a panel, space, etc. may be sufficient, for example. The same applies to the thirteenth to sixteenth embodiments described later.

  The lighting device 160 is installed along the height direction (vertical direction) on the inner wall portion 25, the concrete wall 47, and the outer wall portion 32 of the chamber 23, and illuminates the chamber 23.

  This illumination device 160 has two LED light sources 11. Each LED light source 11 is installed inside the inner wall portion 25 and in the vicinity of the inner wall portion 25 via the heat storage portion 51 and the like. Each LED light source 11 has its optical axis 111 oriented downward in FIG.

  In addition, the heat storage part 51 is formed with a plate-like part 511 that protrudes upward in FIG. 13.

  Moreover, the thermal radiation part 52 is connected to the edge part of the upper side in FIG. 13 of the plate-shaped part 511, and is located in the outer side (outside of a house) of the outer wall part 32. FIG. The heat generated by the LED light source 11 and stored in the heat storage unit 51 is transmitted to the heat dissipation unit 52 via the plate-like unit 511 and is radiated from the heat dissipation unit 52 to the outside of the house. Accordingly, the plate-like portion 511 functions as a heat transfer portion that transfers heat to the heat dissipation portion 52.

  The overall shape of the heat dissipating part 52 is substantially plate-shaped, and a plurality of ribs (protrusions) in the upper side in FIG. 13 protrude upward in FIG. 521 is formed.

  Further, a heat insulating material 56 is provided on each of the left side surface and the right side surface of the plate-like portion 511 of the heat storage unit 51. That is, the left side surface and the right side surface of the plate-like portion 511 are each covered with the heat insulating material 56, and heat radiation from the portion covered with the heat insulating material 56 is prevented.

Moreover, the reflection part 53 is standingly arranged toward the downward direction in FIG. 13 from the heat storage part 51, and is comprised by the pair of plate body which mutually opposed.
According to the illumination device 160, the same effect as that of the seventh embodiment described above can be obtained.

  The heat insulating material 56 may be omitted. In this case, heat is radiated from the plate-like portion 511 to the concrete wall 47, and the plate-like portion 511 functions as a heat radiating portion. Thereby, the heat dissipation effect can be improved.

<13th Embodiment>
FIG. 14 is a cross-sectional view showing a thirteenth embodiment of the illumination device of the present invention.

  For convenience of explanation, in FIG. 14, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 14 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 170 of the thirteenth embodiment will be described focusing on differences from the above-described seventh embodiment, and description of similar matters will be omitted.

  As shown in FIG. 14, in the illuminating device 170 of 13th Embodiment, the thermal radiation part 52 is installed in the exterior of a house, and it thermally radiates from the thermal radiation part 52 to the exterior of a house.

  The lighting device 170 is installed on the ceiling 26, the concrete wall 47, and the roof portion 33 of the chamber 23, and illuminates the chamber 23.

  The illumination device 170 has two LED light sources 11. Each LED light source 11 is installed below the ceiling 26 and in the vicinity of the ceiling 26 via the heat storage unit 51 and the like. In addition, each LED light source 11 has its optical axis 111 facing downward.

Further, the heat storage part 51 is formed with a plate-like part 511 protruding upward.
Moreover, the thermal radiation part 52 has comprised plate shape, is connected to the edge part of the upper side of the plate-shaped part 511, and is located in the outer side (outside of a house) of the roof part 33. FIG. The heat generated by the LED light source 11 and stored in the heat storage unit 51 is transmitted to the heat dissipation unit 52 via the plate-like unit 511 and is radiated from the heat dissipation unit 52 to the outside of the house. Accordingly, the plate-like portion 511 functions as a heat transfer portion that transfers heat to the heat dissipation portion 52.

  Further, a heat insulating material 56 is provided on each of the left side surface and the right side surface of the plate-like portion 511 of the heat storage unit 51. That is, the left side surface and the right side surface of the plate-like portion 511 are each covered with the heat insulating material 56, and heat radiation from the portion covered with the heat insulating material 56 is prevented.

Moreover, the reflection part 53 is standingly arranged toward the downward direction from the heat storage part 51, and is comprised by the pair of plate body which mutually opposed.
According to the illumination device 170, the same effect as that of the seventh embodiment described above can be obtained.

  The heat insulating material 56 may be omitted. In this case, heat is radiated from the plate-like portion 511 to the concrete wall 47, and the plate-like portion 511 functions as a heat radiating portion. Thereby, the heat dissipation effect can be improved.

<Fourteenth embodiment>
FIG. 15 is a sectional view showing a fourteenth embodiment of the lighting device of the present invention.

  For convenience of explanation, in FIG. 15, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. In FIG. 15, the vertical direction is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illuminating device 180 of 14th Embodiment is demonstrated centering around the difference with 7th Embodiment mentioned above, The description is abbreviate | omitted about the same matter.

  As shown in FIG. 15, in the illuminating device 180 of 14th Embodiment, the thermal radiation part 52 is installed in the exterior of a house, and it thermally radiates from the thermal radiation part 52 to the exterior of a house.

  The lighting device 180 is installed on the floor 24, the concrete wall 47, and the base 31 of the chamber 23, and illuminates the chamber 23.

  The illumination device 180 has two LED light sources 11. Each LED light source 11 is installed above the floor 24 and in the vicinity of the floor 24 via the heat storage section 51 and the like. Each LED light source 11 has its optical axis 111 facing upward.

In addition, a plate-like portion 511 that protrudes downward is formed in the heat storage portion 51.
Moreover, the thermal radiation part 52 is connected to the lower end part of the plate-like part 511, and is located outside the base 31 (outside the house). The heat generated by the LED light source 11 and stored in the heat storage unit 51 is transmitted to the heat dissipation unit 52 via the plate-like unit 511 and is radiated from the heat dissipation unit 52 to the outside of the house. Accordingly, the plate-like portion 511 functions as a heat transfer portion that transfers heat to the heat dissipation portion 52.

  The overall shape of the heat dissipating part 52 is substantially plate-shaped, and one rib (projection) 521 protruding downward is formed on the lower surface thereof.

  Further, a heat insulating material 56 is provided on each of the left side surface and the right side surface of the plate-like portion 511 of the heat storage unit 51. That is, the left side surface and the right side surface of the plate-like portion 511 are each covered with the heat insulating material 56, and heat radiation from the portion covered with the heat insulating material 56 is prevented.

Moreover, the reflection part 53 is standingly arranged toward the upper direction from the heat storage part 51, and is comprised by the pair of plate body which mutually opposed.
According to the illumination device 180, the same effect as that of the seventh embodiment described above can be obtained.

  The heat insulating material 56 may be omitted. In this case, heat is radiated from the plate-like portion 511 to the concrete wall 47, and the plate-like portion 511 functions as a heat radiating portion. Thereby, the heat dissipation effect can be improved.

  In the present embodiment, heat is radiated to the outside of the house. However, the present invention is not limited to this. For example, the heat may be radiated to the underfloor space 42.

<Fifteenth embodiment>
FIG. 16: is sectional drawing which shows 15th Embodiment of the illuminating device of this invention.

  For convenience of explanation, in FIG. 16, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. In FIG. 16, the vertical direction is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 190 according to the fifteenth embodiment will be described with a focus on differences from the seventh embodiment described above, and description of similar matters will be omitted.

  As shown in FIG. 16, in the lighting device 190 of the fifteenth embodiment, the heat radiating portion 52 is installed in the ventilation layer 49 formed inside the outer wall portion 32, and the heat radiating portion 52 radiates heat to the ventilation layer 49. It has become.

  The lighting device 190 is installed on the inner wall portion 25 and the concrete wall 47 of the chamber 23 and illuminates the chamber 23.

  This lighting device 190 has two LED light sources 11. Each LED light source 11 is installed inside the inner wall portion 25 and in the vicinity of the inner wall portion 25 via the heat storage portion 51 and the like. In addition, each LED light source 11 has its optical axis 111 oriented in the horizontal direction (left side).

  Further, the heat storage unit 51 is formed with a pair of plate-like portions 511 that protrude upward and face each other.

  Further, the heat radiating portion 52 is connected to the right end portion of each plate-like portion 511 and is located in the ventilation layer 49. The heat generated by the LED light source 11 and stored in the heat storage unit 51 is transmitted to the heat dissipation unit 52 via each plate-like unit 511 and is radiated from the heat dissipation unit 52 to the ventilation layer 49. Accordingly, each plate-like portion 511 functions as a heat transfer portion that transfers heat to the heat dissipation portion 52.

  The overall shape of the heat dissipating part 52 is substantially plate-shaped, and a plurality of (four in the illustrated example) ribs (projections) 521 projecting toward the right side are formed on the right side surface thereof. .

  Moreover, the heat insulating material 56 is provided in the upper surface and lower surface of each plate-shaped part 511 of the thermal storage part 51, respectively. That is, the upper surface and the lower surface of each plate-like portion 511 are each covered with the heat insulating material 56, and heat radiation from the portion covered by the heat insulating material 56 is prevented.

Moreover, the reflection part 53 is standingly arranged toward the horizontal direction inner side (left side) from the thermal storage part 51, and is comprised by the pair of board | plate body which mutually opposed.
According to the illumination device 190, the same effect as that of the seventh embodiment described above can be obtained.

  In addition, you may abbreviate | omit the heat insulating material 56, and in this case, it radiates heat to each concrete wall 47 from each plate-shaped part 511, and each plate-shaped part 511 functions as a heat radiating part. Thereby, the heat dissipation effect can be improved.

<Sixteenth Embodiment>
FIG. 17: is sectional drawing which shows 16th Embodiment of the illuminating device of this invention.

  For convenience of explanation, in FIG. 17, the upper side is “upper”, the lower side is “lower”, the left side is “left”, and the right side is “right”. Further, the vertical direction in FIG. 17 is the vertical direction, and the horizontal direction is the horizontal direction.

  Hereinafter, the illumination device 200 according to the sixteenth embodiment will be described focusing on the differences from the seventh embodiment described above, and description of similar matters will be omitted.

  As shown in FIG. 17, in the lighting device 200 of the sixteenth embodiment, the heat radiating portion 52 is installed in the ventilation layer 49 formed inside the roof portion 33, and heat is radiated from the heat radiating portion 52 to the ventilation layer 49. It has become.

The lighting device 200 is installed on the concrete wall 47 and illuminates the chamber 23.
The illumination device 200 has two LED light sources 11. Each LED light source 11 is installed inside the concrete wall 47 and in the vicinity of the concrete wall 47 via the heat storage section 51 and the like. Each LED light source 11 has its optical axis 111 oriented in a direction substantially perpendicular to the roof 33 and opposite to the roof 33 (obliquely lower right direction in FIG. 17).

  Further, the heat storage unit 51 is formed with a pair of plate-like portions 511 that are substantially perpendicular to the roof portion 33 and project in the direction of the roof portion 33 (obliquely upper left direction in FIG. 17) and face each other. ing.

  Further, the heat radiating portion 52 is connected to the upper end portion of each plate-like portion 511, and is located in the ventilation layer 49. The heat generated by the LED light source 11 and stored in the heat storage unit 51 is transmitted to the heat dissipation unit 52 via each plate-like unit 511 and is radiated from the heat dissipation unit 52 to the ventilation layer 49. Accordingly, each plate-like portion 511 functions as a heat transfer portion that transfers heat to the heat dissipation portion 52.

  The overall shape of the heat dissipating part 52 is substantially plate-like, and a plurality of (four in the illustrated example) ribs (projections) 521 projecting toward the roof part 33 are formed on the upper surface thereof. ing.

  Further, a heat insulating material 56 is provided on the upper right surface and the lower left surface of each plate-like portion 511 of the heat storage portion 51. That is, the upper right surface and the lower left surface of each plate-like portion 511 are each covered with the heat insulating material 56, and heat dissipation from the portion covered by the heat insulating material 56 is prevented.

In addition, the reflecting portion 53 is erected in a direction substantially perpendicular to the roof portion 33 from the heat storage portion 51 and opposite to the roof portion 33 (a diagonally lower right direction in FIG. 17), and is a pair facing each other. It consists of a plate body.
According to the illumination device 190, the same effect as that of the seventh embodiment described above can be obtained.

  In addition, you may abbreviate | omit the heat insulating material 56, and in this case, it radiates heat to each concrete wall 47 from each plate-shaped part 511, and each plate-shaped part 511 functions as a heat radiating part. Thereby, the heat dissipation effect can be improved.

  As mentioned above, although the illuminating device of this invention was demonstrated based on embodiment of illustration, this invention is not limited to this, The structure of each part is substituted by the thing of the arbitrary structures which have the same function. be able to. In addition, any other component may be added to the present invention. Further, the present invention may be a combination of any two or more configurations (features) of the above embodiments.

  That is, according to the present invention, the heat dissipating part is located in a part different from the space illuminated by the lighting device, and the heat generated by the LED light source is radiated from the heat dissipating part to a part different from the space illuminated by the lighting device. It only has to be configured.

  In this case, examples of the site (position) where the LED light source is installed include a floor or the vicinity thereof, a wall portion (for example, an inner wall portion, an outer wall portion, etc.) or the vicinity thereof, a ceiling or the vicinity thereof.

  Moreover, as a site | part (position) which discharge | releases heat from a thermal radiation part (heat dissipation), for example, the building interior space (For example, the hut space 41, the underfloor space 42, the toilet space 43, an inner wall space (inner wall cavity) etc.) Among the predetermined structural members constituting the building, the ventilation layer of the building, the exterior of the building, and the like.

  Moreover, the site | part (position) illuminated with an illuminating device (LED light source) is not restricted to the inside of a building, but may be outside the building. In this case, a crime prevention effect is obtained by the illumination.

  Moreover, the system of the illuminating device of this invention is not specifically limited, For example, a direct illumination system may be sufficient and an indirect illumination system may be sufficient.

  Moreover, the building provided with the lighting device of the present invention is not limited to two stories, and may be, for example, one story or three stories or more. Further, for example, a basement may be provided.

  Moreover, the building provided with the lighting device of the present invention is not limited to a house, and may be another building such as a building, for example.

  In addition, the lighting device of the present invention can be provided in various forms of buildings. Examples of the form of the building include various wooden buildings and various steel frame buildings.

  As said wooden building, what was built by the panel construction method other than the said embodiment is mentioned, for example.

  Moreover, as said steel frame building, the thing of the structure etc. which do not use a concrete wall (concrete) other than the said embodiment are mentioned, for example.

It is sectional drawing which shows schematic structure of the building provided with the illuminating device which concerns on one Embodiment of this invention. It is a figure which shows 1st Embodiment of the illuminating device of this invention, (A) is sectional drawing, (B) is a perspective view. It is sectional drawing which shows 2nd Embodiment of the illuminating device of this invention. It is sectional drawing which shows 3rd Embodiment of the illuminating device of this invention. It is sectional drawing which shows 4th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 5th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 6th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 7th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 8th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 9th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 10th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 11th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 12th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 13th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 14th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 15th Embodiment of the illuminating device of this invention. It is sectional drawing which shows 16th Embodiment of the illuminating device of this invention. It is a figure which shows the structural example of an LED light source, (A) is a top view, (B) is a front view, (C) is sectional drawing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 LED light source 111 Optical axis 12 Base 13 Reflector 14 LED element 14a Positive electrode 14b Negative electrode 15 Phosphor 16 Lens 17 Positive electrode 18 Negative electrode 20 Housing 21, 22, 23 Room (living space)
24 floor 25 inner wall portion 26 ceiling 30 housing 31 base 32 outer wall portion 33 roof portion 34 heat insulating material 35, 36 ventilation portion 40 housing space 41 hut space 42 under floor space 43 free space 44, 45, 46, 201 inner wall space (inner wall cavity)
47 Concrete wall 48 Heat insulating material 49 Ventilation layer 50 Illuminating device 51 Heat storage part 511 Plate-like part 52 Heat radiation part 521 Rib 53 Reflecting part 54 Transparent plate 55 Light chamber 56 Heat insulating material 60, 70, 80a, 80b, 90a, 90b, 100, 110, 120, 130, 140a, 140b, 150, 160, 170, 180, 190, 200 Illumination device P Illumination beam

Claims (13)

An LED light source, a heat storage unit that stores heat generated by the LED light source, and a heat dissipation unit that dissipates heat stored in the heat storage unit, and is an illumination device installed in a building,
The heat dissipating part is located in a different part from the space illuminated by the lighting device, and heat generated by the LED light source is radiated from the heat dissipating part to a different part from the space illuminated by the lighting device. A lighting device characterized by that.   The lighting device according to claim 1, wherein the LED light source is installed on any one of a floor or the vicinity thereof, a wall portion or the vicinity thereof, a ceiling or the vicinity thereof.   The lighting device according to claim 1, wherein the heat radiating portion is configured to radiate heat to a space inside the building.   The lighting device according to claim 1, wherein the heat radiating portion is configured to radiate heat to a ventilation layer of the building.   The lighting device according to claim 1, wherein the heat dissipating unit is configured to dissipate heat into a predetermined constituent member constituting the building.   The lighting device according to claim 5, wherein the constituent material of the constituent member includes concrete.   The lighting device according to claim 1, wherein the heat radiating unit is configured to radiate heat to the outside of the building.   8. At least a part of the heat radiating part and the heat storage part is covered with a heat insulating material, and is configured to prevent heat radiating from a portion covered with the heat insulating material. The lighting device described in 1.   The lighting device according to claim 1, wherein the heat storage unit and the heat dissipation unit are integrally formed.   The illumination device according to claim 1, wherein a reflector is provided in the vicinity of the LED light source.   The lighting device according to claim 10, wherein the reflector, the heat storage unit, and the heat dissipation unit are integrally formed.   The lighting device according to claim 1, wherein the heat storage unit also serves as a support unit that supports the LED light source. The illuminating device according to any one of claims 1 to 12, wherein the heat radiating portion includes a plurality of heat radiating fins provided upright from the heat storage portion.

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