JP2007214096A - Lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make a prescribed range located outside a lighting fixture brighter than surroundings by a plurality of auxiliary light sources. <P>SOLUTION: First light source parts 4, 4 are mounted on one region of a frame 3 installed at the outer peripheral edge part of a fixture body 2 making a main light source 1 possible to be attached thereto so that axial angles between the radial direction of the frame 3 and axial parts 43, 43 will make 115°. By mounting such axial parts 43, 43 on the lighting fixture, second movable parts 42, 42 of the first light source parts 4, 4 become freely rotatable around the axial parts 43, 43 by 60° in the outer direction and by 10° in the inner direction together with first movable parts 41, 41 to house LEDs therein as auxiliary light sources. Moreover, the first movable parts 41, 41 of the first light source parts 4, 4 in a state of being housed in the second movable parts 42, 42 become freely rotatable by 48° in the all directions. In the configuration, the normal line of an opening face for irradiation can be adjusted so as to form a specified angle to first straight lines for joining the center of the frame 3 to the LEDs as viewed from the direction of the center axis of the frame 3, and light emitted from the opening face for irradiation to the outside is irradiated centering the normal line direction of the opening face for irradiation. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a lighting apparatus using a plurality of light sources.

Conventionally, this type of lighting fixture includes a plurality of auxiliary light sources in addition to the main light source, and is attached to, for example, a ceiling surface of a room of a general house. Patent Document 1 discloses a multi-function lighting fixture including a rectangular box-shaped direct diffusion lighting unit and a plurality of spotlights arranged at each corner of the direct diffusion lighting unit as a conventional lighting fixture. It is disclosed. Each spotlight irradiates a range directly below the diagonal direction of the direct diffuse lighting unit by a small motor. Thereby, the multifunctional lighting fixture of patent document 1 can make only the range brighter than the circumference | surroundings by making the irradiation direction of each spotlight closely below the diffuse illumination unit.
JP-A-5-67403 (pages 2, 3 and 2, 5 and 7)

  However, since the lighting fixture of the above-mentioned patent document 1 can adjust the irradiation direction of each spotlight only in the diagonal direction of the direct diffusing lighting unit, the irradiation direction of each spotlight is radial with respect to the range outside the lighting fixture. There is a problem that it is difficult to make the spotlight irradiation direction closer and brighter. In particular, when a lighting fixture is installed on the ceiling surface of a room and it is desired to brighten only a part of the wall surface from the surroundings, if the distance from the lighting fixture to the wall surface becomes longer, the irradiation direction of each spotlight diverges, and the wall surface It was difficult to make only a part of the area brighter than the surroundings.

  This invention is made | formed in view of said point, The place made into the objective is to provide the lighting fixture which can make the predetermined range used as an outer side self brighter than the circumference | surroundings.

  The invention according to claim 1 is provided with an instrument main body capable of mounting a main light source that irradiates the surroundings, and a frame provided on an outer peripheral edge of the instrument main body, and each of the first emits light. And a first case in which the first auxiliary light source is housed and a first irradiation opening surface is formed for emitting light from the first auxiliary light source to the outside. The first auxiliary light source is attached to one region of the frame divided into two regions by a straight boundary line passing through the center of the frame, and viewed from the center axis direction of the frame from the center of the frame. The first light emitted to the outside from the first irradiation opening surface about a third direction that is inclined in a second direction orthogonal to the boundary line with respect to the first direction. A plurality of first light source units irradiated with light from the secondary light source are provided.

  According to this structure, the predetermined range which becomes the outer side of a lighting fixture can be made brighter than the circumference | surroundings with a some 1st sublight source. Thereby, for example, when it is installed on the ceiling surface of a room, only a predetermined wall surface can be made brighter than the surroundings, and an atmosphere according to the user's desire and application can be given.

  According to a second aspect of the present invention, in the first aspect of the invention, the first irradiation opening surface is movable. According to this configuration, it is possible to adjust the irradiation direction of the first sub-light source.

  According to a third aspect of the present invention, in the second aspect of the present invention, the first case houses the first auxiliary light source, and is freely rotatable within a predetermined angle range in all directions. The first movable part, and the second movable part that houses the first movable part and is swingable around one axis together with the first movable part. According to this configuration, the irradiation direction by the first sub-light source can be easily adjusted.

  According to a fourth aspect of the present invention, in the first aspect of the present invention, the first irradiation opening surface is fixed. According to this structure, the predetermined range which becomes the outer side of a lighting fixture can be brightened reliably from the circumference | surroundings by a some 1st sublight source.

  Invention of Claim 5 is set in the ceiling of a room in the invention in any one of Claims 1-4, A plurality of said 1st sublight sources can irradiate one wall surface of the said room It is characterized by doing. According to this configuration, a part of the wall surface can be made brighter than the surroundings by the plurality of first sub-light sources.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein the second auxiliary light source that emits light and the second auxiliary light source are accommodated, and the second auxiliary light source is stored. And a second case formed with a second irradiation opening surface for emitting light from the outside to the outside, attached to the other region of the frame, and from the second irradiation opening surface to the outside The second sub-light source emitted from the second sub-light source includes a second light source unit that irradiates around a direction substantially parallel to the central axis of the frame. According to this configuration, the first sub-light source can brighten the predetermined range outside the lighting fixture from the surroundings, and the second sub-light source can also brighten the range directly below the lighting fixture.

  The invention according to claim 7 is the invention according to claim 6, wherein the first light source part and the second light source part are attached to the frame at equal intervals. According to this configuration, the design can be improved by attaching the first light source unit and the second light source unit at equal intervals.

  The invention according to claim 8 is characterized in that, in the invention according to any one of claims 1 to 7, the instrument body is attached in close contact with the ceiling surface of the room and is rotatable. According to this configuration, the irradiation direction by the first sub-light source can be easily directed to a predetermined range.

  The invention according to claim 9 is the invention according to any one of claims 1 to 8, wherein the pair of the first light source parts is seen from the center axis direction of the frame and the boundary from the center of the frame. It is attached to one area | region of the said frame so that it may become line symmetrical about the straight line orthogonal to a line. According to this configuration, the design can be improved, and a predetermined range that is outside the lighting fixture can be brightened symmetrically.

  An invention according to a tenth aspect is the invention according to any one of the first to ninth aspects, wherein an angle formed between the first direction and the third direction when viewed from the central axis direction of the frame is The angle is smaller than the angle formed between the first direction and the second direction. According to this configuration, both sides can be brightened in a state where the central portion is dimmed with respect to an object in a predetermined range outside the lighting fixture.

  ADVANTAGE OF THE INVENTION According to this invention, the predetermined range used as the outer side of a lighting fixture can be made brighter than the circumference | surroundings by a some sublight source.

(Embodiment 1)
A first embodiment of the present invention will be described with reference to FIGS. 1-3, 5 is a figure which shows the lighting fixture of Embodiment 1. FIG. FIG. 4 is a diagram illustrating the first light source unit of the first embodiment. FIG. 6 is a diagram illustrating a state in which the lighting fixture of Embodiment 1 is attached to a room.

  First, the basic configuration of the first embodiment will be described. As shown in FIG. 1, the lighting apparatus of Embodiment 1 includes a main light source 1, an apparatus main body 2, a frame 3, two first light source units 4, 4, and one second light source unit 5. And is attached to the ceiling surface 60 (see FIG. 6A) of the room 6 which is a house structural material.

  The main light source 1 is, for example, two round fluorescent lamps, etc., and illuminates the surroundings by turning on and off by operating a remote control transmitter (not shown). In addition, the light is adjusted and lit as necessary. The main light source 1 is not limited to a round fluorescent lamp, and may be a fluorescent lamp having a different shape such as a straight tube fluorescent lamp or a light emitting diode.

  As shown in FIG. 2, the instrument body 2 is formed into a bottomed cylindrical shape by, for example, resin molding, and includes a bottom surface portion 20 and a side surface portion 21 extending from the outer peripheral edge portion of the bottom surface portion 20. Are attached in close contact with the ceiling surface 60 (see FIG. 6A) of the room 6 by, for example, a hook ceiling attachment method, and are adjusted to a predetermined direction by rotation in the circumferential direction. Further, a cover 22 (see FIG. 1) formed of a transparent or white (milky white) translucent material is attached to the instrument body 2. The bottom surface portion 20 is formed in a circular shape and includes a connector (not shown) for mounting the main light source 1 (see FIG. 1). Thereby, the instrument main body 2 can mount the main light source 1. In addition, a through hole (not shown) for drawing a connection line (not shown) connected to the power source from the ceiling surface 60 is formed in the bottom surface portion 20. On the other hand, the side surface portion 21 has a stepped portion 212 and is formed in a substantially cylindrical shape so that the outer diameter of the distal end portion 210 is longer than the outer diameter of the proximal end portion 211.

  The frame 3 is formed in an annular shape by resin molding or the like, for example, and is extended to the outer peripheral edge portion of the distal end portion 210 of the instrument body 2. As shown in FIG. 3, the frame 3 is divided into a first region 32 and a second region 33 by a boundary line 31 orthogonal to the central axis 30. Two concave portions 321 and 321 are formed 120 ° apart from each other in the outer peripheral portion 320 of the first region 32. On the other hand, one recess 331 is formed 120 ° apart from each recess 321 in the outer peripheral portion 330 of the second region 33.

  In the vicinity of each recess 321, as shown in FIG. 2, a pair of projecting portions 322 and 322 projecting upward has an axial angle between the radial direction of the frame 3 (see FIG. 3) of 115 °. It is provided to become. Also, in the vicinity of the recess 331, a pair of projecting portions (not shown) projecting upward so that the axial angle between the radial direction of the frame 3 (see FIG. 3) is 90 °. Provided. A concave portion 323 is formed in each projecting portion 322. The pair of projecting portions in the vicinity of the recess 331 is also formed with a recess (not shown) similar to the recess 323.

  A stopper 35 is attached to the frame 3. The stopper 35 is formed in a shape along the outer wall surface of the instrument main body 2 and the frame 3 by, for example, resin molding, and the first light source unit 4 (second light source unit 5) is attached to the frame 3. Used when installing.

  As shown in FIG. 4A, each of the first light source units 4 includes a light emitting diode (first sub-light source) (hereinafter referred to as “LED”) 40 that emits light, a first movable unit 41, and the like. The second movable portion 42 and the shaft portion 43 are provided and attached to the concave portion 321 (see FIG. 2) of the frame 3. That is, the first light source unit 4 is attached to the first region 32.

  The LED 40 is provided integrally with the LED substrate 400. The LED 40 is turned on or off by an operation on a remote control transmitter (not shown). In addition, the light is adjusted and lit as necessary.

  The first movable part 41 includes an upper main body 410 and a lower main body 411. The upper body 410 is formed in a substantially hemispherical shape by, for example, resin molding. The upper body 410 includes a plurality of projecting portions 412 and 412 projecting downward from the inner wall surface at the upper end. On the other hand, the lower main body 411 is formed in a substantially cylindrical shape by, for example, resin molding. The lower main body 411 includes a plurality of projecting portions 413 projecting upward from the inner wall surface. Further, a substantially circular irradiation opening surface (first irradiation opening surface) 414 is formed at the lower end of the lower main body 411. A lens 415 is attached to the irradiation opening surface 414 (see FIG. 4B). The first movable portion 41 as described above holds the LED 40 and the LED substrate 400 between the protruding portions 412 and 412 of the upper main body 410 and the protruding portion 413 of the lower main body 411 and stores the light source unit portion together with the LED 40. Constitute.

  The second movable part 42 includes two outer members 420 and 421. The outer member 420 is formed in a substantially hemispherical shape by resin molding, for example. The outer member 420 has a through hole 422 (see FIG. 4C) formed at the upper end. The outer member 420 includes a projecting portion 423 projecting downward from the inner wall surface at the upper end. A leaf spring 424 is attached to the tip of the protruding portion 423. The leaf spring 424 prevents the first movable portion 41 from moving upward when the second movable portion 42 houses the first movable portion 41. On the other hand, the outer member 421 is formed in a substantially cylindrical shape by, for example, resin molding or the like, and includes a rotation stopper 425 that is bent inward at the lower end. The second movable portion 42 accommodates the first movable portion 41 with the outer members 420 and 421 sandwiched therebetween. At this time, the second movable portion 42 prevents the first movable portion 41 from falling by the rotation stop portion 425 and controls the rotation range. As shown in FIG. 5, the first movable part 41 accommodated in the second movable part 42 is manually rotatable within a range of 48 ° in all directions.

  As shown in FIG. 4A, the shaft portion 43 is formed by resin molding, for example, and includes a columnar portion 430 and two protruding portions 431 and 431. One end portion of the shaft portion 43 is fixed by outer shell members 420 and 421. When the shaft portion 43 is attached to the frame 3, as shown in FIG. 5, the second movable portion 42 is manually rotated 60 ° outwardly around the shaft portion 43 together with the first movable portion 41. , Swingable by 10 ° in the inner direction.

  Here, the attachment method to the frame 3 of the 1st light source part 4 is demonstrated. First, as shown in FIG. 2, the shaft portion 43 is fitted into the concave portion 323 of the projecting portion 322 of the frame 3, and the second movable portion 42 is fitted into the concave portion 321 of the frame 3. Subsequently, the stopper 35 is put on the frame 3 from above. From the above, the first light source unit 4 can be attached to the frame 3. Thereby, as shown in FIG. 6B, the pair of first light source parts 4, 4 is seen from the center of the frame 3 as seen from the direction of the central axis 30 (see FIG. 3) of the frame 3. It attaches to the 1st field 32 of frame 3 so that it may become line symmetry about a straight line orthogonal to. In addition, in the state where the first light source unit 4 is attached to the frame 3, the normal line of the irradiation opening surface 414 (the arrow in FIG. 6B) is relative to the straight line 45 connecting the center of the frame 3 and the LED 40. It can be manually adjusted so as to form an angle by inclining toward the straight line 46 perpendicular to the boundary line 31. The angle formed between the straight line 45 and the normal direction of the irradiation opening surface 414 is smaller than the angle formed between the straight line 45 and the straight line 46. The light from the LED 40 emitted outward from the irradiation opening surface 414 is irradiated around the normal direction of the irradiation opening surface 414.

  As shown in FIG. 4A, the second light source unit 5 includes an LED (second sub-light source) 50 that emits light, a first movable unit 51, and the first light source unit 4. The second movable portion 52 and the shaft portion 53 are provided and attached to the concave portion 331 (see FIG. 3) of the frame 3. That is, the second light source unit 5 is attached to the second region 33 as shown in FIG. Thereby, the 2nd light source part 5 and the two 1st light source parts 4 and 4 are attached to the circumferential direction of the frame 3 at equal intervals for every 120 degrees.

  As shown in FIG. 4A, the LED 50 is turned on or off by an operation on a remote control transmitter (not shown), like the LED 40 of the first light source unit 4. In addition, the light is adjusted and lit as necessary. In the first movable portion 51, similarly to the first movable portion 41 of the first light source unit 4, an irradiation opening surface (second irradiation opening surface) 510 is formed. Like the first movable part 41, the first movable part 51 sandwiches and stores the LED 50 and constitutes a light source unit part together with the LED 50. As shown in FIG. 3, the second movable portion 52 is attached so that the shaft angle between the shaft portion 53 and the radial direction of the frame 3 is 90 °. As shown in FIG. 5, the second movable portion 52 is manually rotated around the shaft portion 53 (see FIG. 3) by 60 ° outwardly and 10 ° inwardly in the same manner as the first movable portion 51. ° It can swing freely.

  Here, the method of attaching the second light source unit 5 to the frame 3 is the same as the method of attaching the first light source unit 4 to the frame 3. First, as shown in FIG. The second movable portion 52 is fitted into the concave portion 331 of the frame 3. Subsequently, the stopper 35 (see FIG. 2) is put on the frame 3 so as to cover from above (from the back to the front in FIG. 3). From the above, the second light source unit 5 can be attached to the frame 3. In the state where the second light source unit 5 is attached to the frame 3, as shown in FIG. 6A, the normal line of the irradiation opening surface 510 (downward arrow in FIG. 6A) is It becomes possible to adjust the central axis 30 (see FIG. 3) to be substantially parallel. That is, the second light source unit 5 can be moved manually, and the normal line of the irradiation opening surface 510 can be set to a direction directly below the lighting fixture. The light from the LED 50 emitted to the outside from the irradiation opening surface 510 is irradiated around the normal direction of the irradiation opening surface 510.

  Next, the case where the lighting fixture of Embodiment 1 is attached to the room 6 is demonstrated using FIG. The room 6 is a general one as shown in FIG. 6A, and a TV 62 is placed near the wall surface 61, and a chair 63 and a table on which a TV viewer sits at a position facing the TV 62. 64 is placed. The size of this room is 2.7 meters from the center of the lighting fixture to the wall surface 61, and the height is 2.4 meters. The lighting fixture is attached to the ceiling surface 60 by a hook ceiling attachment method, and the orientation is adjusted by freely rotating according to the size and installation location of the television 62.

  First, in cases other than viewing the television 62, only the main light source 1 is turned on by turning on a remote control transmitter (not shown) or the main light source 1 and the LEDs 40 and 50 (see FIG. 4A). Both lights up. If necessary, the main light source 1 or the LEDs 40 and 50 are dimmed and turned on. Further, when going out or sleeping, the main light source 1 and the LEDs 40 and 50 are turned off by turning off the remote control transmitter.

  On the other hand, when viewing the television 62, the surroundings of the television 62 are often brightened to give a sense of realism, and the range is determined by each of the LEDs 40 (see FIG. 4A) of the first light source unit 4. Brighten 65 and 65. These ranges 65 are located on both sides of the television 62 as shown in FIG. 6B when viewed from the ceiling surface 60 side of the room 6. When the shaft portion 43 of the first light source unit 4 is inclined by 25 ° from the direction orthogonal to the radius of the frame 3 and rotated by 24 ° by the first movable portion 41 (see FIG. 5), the above range. 65 can be tilted up to 49 ° from the straight line 45. Also, there are times when the TV viewer wants to brighten his hand while watching the TV 62. In such a case, as shown in FIG. 6A, a range 66 that is close to the TV viewer is irradiated by the LED 50 of the second light source unit 5 (see FIG. 4A).

  From the above, when viewing the television 62, the room 6 is basically dimmed, and only the area 65 including the wall surface around the television 62 is brightened by the LED 40 (see FIG. 4A) of the first light source unit 4. can do. Thereby, a sense of reality can be given. Further, when it is desired to brighten the hand of the TV viewer, it can be irradiated by the LED 50 (see FIG. 4A) of the second light source unit 5.

  As described above, according to the first embodiment, it is possible to make the predetermined range 65 outside the lighting fixture brighter than the surroundings by the LEDs 40 of the two first light source units 4 while keeping the room 6 dim. As a result, it is possible to create an atmosphere according to the user's desires and uses such as giving a sense of reality. Moreover, the area 66 immediately below the lighting fixture can be made brighter than the surroundings by the LED 50 of the second light source unit 5. Furthermore, the irradiation direction by the LED 40 of the first light source unit 4 is easily adjusted by the swinging of the outer member 40 of the first light source unit 4, the rotation of the first movable unit 41, and the rotation of the instrument body 2. can do. Thereby, a lighting fixture can be attached so that it may irradiate in the installation direction of the television 62 regardless of the size and installation location of the television 62.

  In addition to the above, by attaching the two first light source units 4 and 4 and the second light source unit 5 to the frame 3 at equal intervals, the design can be improved. In addition, since the LEDs 40 and 50 are provided as sub-light sources of the first light source unit 4 and the second light source unit 5, it is possible to further reduce the size and arrange them in the thin frame 3. As a result, it is possible to provide a thin and clean design with a sense of unity with the instrument body 2.

  Further, the first light source portions 4 and 4 of the pair of the frame 3 are symmetrical with respect to a straight line 46 perpendicular to the boundary line from the center of the frame 3 when viewed from the direction of the central axis 30 of the frame 3. Therefore, the design can be improved, and a predetermined range on the outside of the luminaire can be brightened symmetrically. Further, since the angle formed between the straight line 45 and the normal direction of the irradiation opening surface 414 is smaller than the angle formed between the straight line 45 and the straight line 46 when viewed from the direction of the central axis 30 of the frame 3, Both sides can be brightened with the central part dimmed with respect to an object such as the television 62 in FIG.

  As a modification of the first embodiment, the instrument body may have a shape other than a circle such as a square. Even if it is such a structure, the effect similar to Embodiment 1 can be acquired.

  As another modification of the first embodiment, a lighting fixture may be attached to a room larger or smaller than the room of the first embodiment. Even if it does in this way, the effect similar to Embodiment 1 can be acquired.

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIGS. 7 and 8 are diagrams showing a main part of the lighting fixture of the second embodiment.

  The lighting fixture of Embodiment 2 is the same as the lighting fixture of Embodiment 1 (refer FIG. 1), the main light source 1, the fixture main body 2, the two 1st light source parts 4 and 4, and the 1st 2nd. Although the light source unit 5 is provided, there are the following characteristic portions that are not included in the lighting fixture of the first embodiment.

  The lighting fixture of Embodiment 2 is provided with a frame 3a as shown in FIGS. 7 and 8 instead of the frame of Embodiment 1. Two through-holes 34 are formed in the first region 32 (see FIG. 3) and one in the second region 33 (see FIG. 3) instead of the recesses in the frame 3a. These three through holes 34 are formed 120 ° apart from each other. The first light source unit 4 or the second light source unit 5 (see FIG. 4A) is attached to the through hole 34. The frame 3a is the same as the frame 3 (see FIG. 1) of the first embodiment except for the points described above.

  As described above, even in the second embodiment, the same effect as in the first embodiment can be obtained.

(Embodiment 3)
Embodiment 3 of the present invention will be described with reference to FIG. FIG. 9 is a diagram illustrating a main part of the lighting apparatus of the third embodiment.

  Although the lighting fixture of Embodiment 3 is provided with the main light source 1 and the fixture main body 2 similarly to the lighting fixture of Embodiment 1 (refer FIG. 1), it describes below which the lighting fixture of Embodiment 1 does not have. There is a characteristic part.

  The lighting fixture of Embodiment 3 is replaced with the frame of Embodiment 1, the 1st light source part, and the 2nd light source part, the frame 3b, the 1st light source part 4a, and the 2nd light source part as shown in FIG. (Not shown). In the frame 3b, two through holes are formed in the first region 32 (see FIG. 3), and not in the recesses, and one through hole is formed in the second region 33 (see FIG. 3). These three through holes are formed 120 degrees apart from each other. The frame 3b is the same as the frame 3 (see FIG. 1) of the first embodiment except for the points described above.

  On the other hand, the 1st light source part 4a is provided with the 2nd movable part 42a connected with the axial part 43 (refer FIG. 3) upwards. In addition, the 2nd light source part of Embodiment 3 is the structure similar to the 1st light source part 4a. Further, the first light source unit 4a and the second light source unit (not shown) are different from the first light source unit 4 and the second light source unit 5 (see FIG. 1) of the first embodiment in points other than the above. It is the same.

  As described above, even in the third embodiment, the same effect as in the first embodiment can be obtained.

(Embodiment 4)
Embodiment 4 of the present invention will be described with reference to FIG. FIG. 10 is a diagram illustrating a main part of the lighting apparatus of the fourth embodiment.

  Although the lighting fixture of Embodiment 4 is provided with the main light source 1, the fixture main body 2, and the frame 3b similarly to the lighting fixture of Embodiment 3 (refer FIG. 1, 9), the lighting fixture of Embodiment 3 is provided. There are some features that are not described below.

  The lighting fixture of Embodiment 4 is replaced with the 1st light source part and 2nd light source part of Embodiment 3, and the 1st light source part 7 and 2nd light source part (not shown) as shown in FIG. It has. The first light source unit 7 is not movable like the first light source unit of the third embodiment, and an irradiation opening surface (first irradiation opening surface) 70 is fixed. That is, the irradiation range of the first light source unit 7 is always constant. From the above, the first light source unit 7 can be stably fixed without the need to provide a shaft or the like. Note that the second light source unit of the fourth embodiment has the same configuration as the first light source unit 7.

  As described above, according to the fourth embodiment, even when the irradiation opening surface 70 is fixed by fixing the first light source unit 7, the first light source unit is the same as in the first embodiment. The predetermined range on the outside of the luminaire can be surely brightened from the surroundings by 7 LEDs (not shown).

(Embodiment 5)
Embodiment 5 of the present invention will be described with reference to FIG. FIG. 11 is a diagram illustrating a first light source unit according to the fifth embodiment.

  Although the lighting fixture of Embodiment 5 is provided with the main light source 1, the fixture main body 2, and the frame 3 similarly to the lighting fixture of Embodiment 1 (refer FIG. 1), the lighting fixture of Embodiment 1 includes There are no features described below.

  The lighting fixture of Embodiment 5 replaces the two first light source units and the second light source unit of Embodiment 1 with two first light source units 8 as shown in FIGS. One second light source unit (not shown) is provided. Each of the first light source sections 8 includes a mini-krypton bulb (first sub-light source) 80 that emits light, a second movable section 81, a reflecting mirror 82, and a shaft section 83. It is attached to the recess 321 (see FIG. 2). Note that the second light source unit of the fifth embodiment has the same configuration as the first light source unit 8.

  The second movable portion 81 is formed in a bottomed cylindrical shape by, for example, resin molding, and includes a socket 811 on the bottom surface portion 810. This socket 811 is for attaching the mini-krypton light bulb 80 by screwing. In addition, a substantially circular irradiation opening surface (first irradiation opening surface) 812 is formed at the lower end of the second movable portion 81.

  The reflecting mirror 82 is formed in an approximately hemispherical shape by an aluminum plate, and has a silver mirror finish on the inside. A fitting hole 820 for fitting with the socket 811 is formed at the upper portion of the reflecting mirror 82. The reflecting mirror 82 is provided so as to cover a part of the mini-krypton bulb 80.

  The shaft portion 83 has the same configuration as that of the shaft portion 43 (see FIG. 4A) of the first embodiment, and includes a columnar portion 830 and two protrusions 831 and 831. One end of the shaft portion 83 is fixed to the bottom surface portion 810 side (the upper side in FIG. 11A) of the side surface portion 813 of the second movable portion 81. When the shaft portion 83 is attached to the pair of projecting portions 322 and 322 (see FIG. 2) of the frame 3, the second movable portion 81 is manually swung around the central axis 832 of the shaft portion 83. It becomes movable. Similarly to the first embodiment, since the pair of projecting portions 322 and 322 are provided so that the angle between the radial direction of the frame 3 is 115 °, the central axis 832 of the shaft portion 83 is The axial angle with the radial direction of the frame 3 is 115 ° (see FIG. 3). On the other hand, the pair of projecting portions in the vicinity of the concave portion 331 (see FIG. 3) is provided so that the angle between the frame 3 and the radial direction of the frame 3 is 90 °. The angle of the central axis of the shaft portion in the light source portion with respect to the radial direction of the frame 3 is 90 ° (see FIG. 3).

  Here, the optical path of light from the mini-krypton bulb 80 will be described. A part of the light from the mini-krypton bulb 80 is directly emitted to the outside from the irradiation opening surface 812. On the other hand, the remaining light from the mini-krypton bulb 80 is first emitted toward the reflecting mirror 82, reflected by the reflecting mirror 82, and emitted to the outside from the irradiation opening surface 812. From the above, any light irradiates the outside from the irradiation opening surface 812.

  As described above, according to the fifth embodiment, even when the reflecting mirror 82 is provided around the mini-krypton bulb 80 as in the first light source unit 8, the light from the mini-krypton bulb 80 is irradiated with the opening surface for irradiation. The outside can be irradiated from 81. Thereby, the predetermined range which becomes the outer side of a lighting fixture can be made brighter than the circumference | surroundings by the mini krypton light bulb 80 of the two 1st light source parts 8. FIG.

  As a modification of the first to fifth embodiments, three or more first light source units may be provided. With such a configuration, it is possible to irradiate a predetermined range on the outside of the lighting fixture brighter than the surroundings.

  As another modification of the first to fifth embodiments, an incandescent lamp or the like may be used instead of the LED as a sub light source. Even if it is such a structure, the effect similar to Embodiment 1-5 can be acquired.

  Furthermore, as another modification of the first to fifth embodiments, in the first light source unit and the second light source unit, the movable range of the first irradiation aperture surface and the second irradiation aperture surface, and the first The color temperature of the sub-light source and the second sub-light source may be appropriately set according to the purpose and application. For example, the movable range of the first irradiation opening surface may be 60 °, and the movable range of the second irradiation opening surface may be 10 °. Further, the first sub-light source may be a light bulb color and the second sub-light source may be white. Even if it does in this way, the effect similar to Embodiment 1-5 can be acquired.

  As another modification of the first to fifth embodiments, another light source unit different from the first light source unit may be provided in the first region of the frame together with the first light source unit. The other light source unit has, for example, a configuration similar to that of the second light source unit, a configuration in which the irradiation direction is fixed in a direct downward direction, and the like, and is appropriately set according to the purpose and application. Even if such another light source unit is provided, the same effects as those of the first to fifth embodiments can be obtained.

  Further, as another modified example of the first to fifth embodiments, the frame is not limited to an annular shape, and may have another shape such as a triangle or a quadrangle, for example, depending on the purpose or application. . Even if it is the shape of such a frame, the effect similar to Embodiment 1-5 can be acquired.

It is an external appearance perspective view of the lighting fixture of Embodiment 1 by this invention. It is a disassembled perspective view which shows the principal part of a lighting fixture same as the above. It is a bottom view of a lighting fixture same as the above. It is a 1st light source part of a lighting fixture same as the above, (a) is sectional drawing, (b) is a bottom view, (c) is a top view. It is a side view which shows the principal part of a lighting fixture same as the above. It is the state which attached the lighting fixture same as the above to a room, (a) is a side view, (b) is a top view. It is a bottom view which shows the principal part of the lighting fixture of Embodiment 2 by this invention. It is a side view which shows the principal part of a lighting fixture same as the above. It is a side view which shows the principal part of the lighting fixture of Embodiment 3 by this invention. It is a side view which shows the principal part of the lighting fixture of Embodiment 4 by this invention. It is the 1st light source part of the lighting fixture of Embodiment 5 by this invention, Comprising: (a) is sectional drawing, (b) is an external appearance perspective view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main light source 2 Instrument main body 3 Frame 4 1st light source part 41 1st movable part 42 2nd movable part 43 Shaft part

Claims (10)

An instrument body that can be fitted with a main light source that illuminates the surroundings;
A frame provided on the outer peripheral edge of the instrument body, and
Each accommodates a first sub-light source that emits light and the first sub-light source, and a first irradiation opening surface for emitting light from the first sub-light source to the outside is formed. The first case, and is attached to one region of the frame divided into two regions by a straight boundary line passing through the center of the frame, and the frame as viewed from the central axis direction of the frame. The first irradiation opening is centered on a third direction that is inclined in a second direction orthogonal to the boundary line with respect to a first direction from the center of the first sub-light source to the first sub-light source. A lighting apparatus comprising: a plurality of first light source units that emit light from the first sub-light source emitted to the outside from a surface.   The lighting apparatus according to claim 1, wherein the first irradiation opening surface is movable. The first case is
A first movable part that houses the first sub-light source and is rotatable within a predetermined angle range in all directions;
The lighting apparatus according to claim 2, further comprising: a second movable part that houses the first movable part and is swingable about one axis together with the first movable part.   The lighting apparatus according to claim 1, wherein the first irradiation opening surface is fixed. Installed on the ceiling of the room,
The lighting fixture according to any one of claims 1 to 4, wherein a plurality of the first auxiliary light sources can irradiate one wall surface of the room.   A second sub-light source that radiates light and the second sub-light source are housed, and a second irradiation opening surface is formed for emitting light from the second sub-light source to the outside. The light from the second auxiliary light source that is attached to the other region of the frame and is emitted to the outside from the second irradiation opening surface is substantially parallel to the central axis of the frame. The lighting apparatus according to claim 1, further comprising a second light source unit that irradiates the light around the direction.   The lighting apparatus according to claim 6, wherein the first light source unit and the second light source unit are attached to the frame at equal intervals.   The lighting fixture according to any one of claims 1 to 7, wherein the fixture main body is attached in close contact with a ceiling surface of a room and is rotatable.   A pair of the first light source units are attached to one region of the frame so as to be line symmetric with respect to a straight line orthogonal to the boundary line from the center of the frame when viewed from the central axis direction of the frame. The lighting fixture according to any one of claims 1 to 8, wherein   The angle formed between the first direction and the third direction is smaller than the angle formed between the first direction and the second direction when viewed from the central axis direction of the frame. The lighting fixture according to any one of claims 1 to 9.

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