JP3509122B2 - Stackable rotating light - Google Patents

Abstract

PURPOSE:To lessen the number of parts due to no need of installation of a motor per light radiating part, to increase the quantity of light radiation, and to supply electricity easily to an electric bulb since the electric bulb is fixed to a light source holding part. CONSTITUTION:A plurality of light radiating parts 30 are layered to give a layered type rotary lamp. Electric bulbs 21 of each light radiating part 30 are held at constant gaps along an axial line 20 by light source holding part 35. Reflecting mirror 23 is installed corresponding to each of the electric bulb 21 and a plurality of the reflecting mirrors 23 are connected. The plurality of the reflecting mirrors 23 are integrally rotated by one motor stored in a bottom base 25.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated rotary lamp in which a plurality of light emitting portions capable of rotating a light emitting direction around a predetermined axis are laminated.

[0002]

2. Description of the Related Art Conventionally, rotating lights have been widely used to notify the operating state of an automatic machine and the occurrence of an abnormality.
The rotating lamp rotates the radiation direction of light around a predetermined axis, and has an advantage that the light can be visually recognized even from a separated place. When notifying a plurality of types of information, a plurality of rotating lights having different lamp colors are installed in parallel, but recently, a so-called stacked rotating light is used in order to reduce the installation area.

A typical prior art relating to a laminated rotary lamp is disclosed in Japanese Utility Model Laid-Open No. 178302/1982, the structure of which is shown in FIG. 20 of the present application. That is, in the laminated rotary lamp of this prior art, a plurality of substrates 3 are fixed to a plurality of columns 2 standing on the base case 1 in a plurality of stages at regular intervals. A light bulb 8 is fixed to each substrate 3, and a rotor 4 rotatable around the light bulb 8 is attached to the substrate 3. A reflecting mirror 5 is erected on the rotor 4. A motor 6 for rotating the rotor 4 is attached to each substrate 3. A rotor rubber (not shown) is attached to the peripheral surface of the rotor 4,
The rotor attached to the rotary shaft of the motor 6 is in contact with the rotor rubber.

A cylindrical globe 7 made of a colored translucent material is arranged so as to surround the light bulb 8 and the reflecting mirror 5. For example, a different color is applied to the globe 7 for each of the light bulbs 8 in each stage. In this way, the light emitting unit 9 including the light bulb 8, the rotor 4, the reflecting mirror 5, the motor 6, the globe 7, and the like is laminated in a plurality of stages to form a laminated rotating lamp.

When the motor 6 is energized, the reflecting mirror 5 erected on the rotor 4 rotates. Therefore, if the light bulb 8 is turned on, the light from the light bulb 8 is reflected by the reflecting mirror 5 and then colored and emitted by the globe 7, so that the colored light is emitted to the surroundings while changing the emission direction. It Therefore, by individually controlling the motor 6 and the light bulb 8 at each stage, it is possible to emit a plurality of types of light corresponding to the color of the globe 7 to the surroundings. An electric circuit for individually controlling the motor 6 and the light bulb 8 at each stage has, for example, a configuration shown in FIG. That is, the motor 6 and the light bulb 8 that configure the light emitting unit 9 of each stage are connected in parallel, and one end of each parallel circuit is commonly connected to the common terminal 10. The other end of each parallel circuit is connected to terminals 11, 12, and 13, respectively. By applying the voltage V between the common terminal 10 and any one of the terminals 11, 12, and 13, the motor 6 and the light bulb 8 of the light emitting section 9 in each stage can be individually energized. Also, the common terminal 10 and the terminal 1
Voltage V between two or more terminals of 1, 12, and 13
It is also possible to simultaneously emit light from two or more stages of light emitting sections 9 by applying.

[0006]

However, in the above-mentioned prior art, since the motor 6 is provided for each light emitting section 9 in each stage, there is a problem that the number of parts is large. Further, in the case where light emission is to be performed for all stages, each light emitting unit 9 cannot be regularly interlocked due to variations in the number of rotations of the individual motors 6, and good light emission is not always required. I couldn't do it.

Further, since the light from the reflecting mirror 5 is shielded by the motor 6, there is a possibility that a sufficient amount of emitted light cannot be obtained in the direction in which the motor 6 is installed. In order to solve these problems, it is possible to apply the technique disclosed in Japanese Utility Model Laid-Open No. 50-58678. This publication discloses a multi-stage warning signal in which reflectors having light sources are arranged in multiple stages on one rotary shaft and the rotary shaft is rotated by a motor or the like. With this configuration, one motor is sufficient, and it is considered that the above problems can be solved.

However, in the configuration of the above publication,
Since the light source is fixed to the reflector, it is extremely difficult to supply power to this light source, and furthermore, the attachment of the reflector to the rotating shaft may become unstable, making it extremely difficult to put into practical use. There's a problem. That is, the structure is not one that can realize a durable life and vibration resistance enough to be put to practical use, and therefore the problem of the prior art shown in FIG. 20 could not be solved in the end.

Therefore, an object of the present invention is to solve the above-mentioned technical problems and to realize practical use, to achieve a reduction in the number of parts and to secure a sufficient amount of emitted light. It is to provide a revolving light.

[0010]

In order to achieve the above object, the laminated rotary lamp according to claim 1 is provided with a light source unit fixedly installed and arranged along a predetermined axis, and the light source unit is provided. The light from is reflected in a predetermined direction intersecting with the predetermined axis to emit light to the surroundings, and a plurality of reflecting members provided so as to be rotatable around the predetermined axis and generate a rotational force. And a transmission means for commonly transmitting the rotational force from the rotation driving means to the plurality of reflecting members.

According to this structure, while the light source unit is fixedly installed, the plurality of reflecting members are rotated around a predetermined axis. Therefore, power supply to the light source unit does not become difficult, which is advantageous for practical use. Further, since the rotational force from the rotary driving means is commonly transmitted to the plurality of reflecting members by the transmitting means, it is not necessary to provide the rotary driving means for each reflecting member, and the number of parts can be reduced. In addition, unlike the case of the above-described related art in which a motor is provided for each reflecting mirror, it is possible to effectively prevent the light reflected by the reflecting member from being blocked by the motor, etc. Can be a lot.

According to another aspect of the laminated rotary lamp of the present invention, a plurality of light source units are fixedly installed on a predetermined axis line with a predetermined space therebetween, and arranged along the predetermined axis line. A plurality of reflections which are attached to each other so as to be capable of reflecting light in a predetermined direction intersecting with the predetermined axis to emit light to the surroundings and rotating integrally with the predetermined axis. It is characterized by including a member and a rotation driving means for integrally rotating the plurality of reflecting members.

According to this structure, the plurality of light source portions are fixedly installed on the predetermined axis, while the plurality of reflecting members are integrally rotated about the predetermined axis by the rotation driving means. Therefore, since it is not necessary to provide the rotation driving means for each reflecting member, the number of parts can be reduced. Moreover, it is possible to effectively prevent the light reflected by the reflecting member from being blocked by the motor or the like, so that the amount of light emitted to the surroundings can be increased.

Further, according to the present invention, since the light source section is fixedly installed on the predetermined axis, it is not difficult to supply power to the light source section, and the plurality of reflecting members are connected to each other. Since it rotates integrally, it has sufficient durability against vibration and the like. Moreover, since the angle between the plurality of reflecting members is kept constant, it is possible to achieve regular light emission.

Further, since the plurality of reflecting members are coupled to each other, it is not necessary to provide a rotor or the like for each reflecting member. Therefore, the reflection area of the reflection member can be increased, and the amount of emitted light can be increased from this point as well. According to a third aspect of the present invention, there is provided a laminated rotary light further including a rotation guide means for guiding the rotation of the plurality of reflecting members around the predetermined axis.

According to this structure, since the rotation of the reflecting member is stabilized by the rotation guide means, stable operation can be performed even in an environment with a lot of vibration. The laminated rotary lamp according to claim 4, wherein a light source unit capable of emitting light in a direction along a predetermined axis line is arranged along the predetermined axis line, and a part of the light from the light source unit is part of the light source unit. The light can be reflected in a predetermined direction intersecting with the predetermined axis and emitted to the surroundings, and the remaining portion of the light from the light source section can be transmitted, and can be integrally rotated around the predetermined axis. Thus, a plurality of semi-transmissive mirror members attached to each other and attached, and a rotation driving means for integrally rotating the plurality of semi-transmissive mirror members are characterized.

In this structure, light is emitted from the light source section along a predetermined axis, and the light is incident on the plurality of semi-transmissive mirror members arranged along the predetermined axis. The semi-transmissive mirror member reflects a part of the incident light toward the surroundings and transmits the remaining part. Therefore, the transmitted light is incident on another semi-transmissive mirror member arranged at a position farther from the light source unit than the semi-transmissive mirror member.

As described above, a laminated rotary lamp is constructed by using one light source unit. Therefore, not only the power supply to the light source unit can be easily performed, but also the number of parts is extremely reduced. Moreover, since the plurality of semi-transparent mirror members are coupled to each other and are integrally rotated by the rotary drive unit, it is not necessary to provide the rotary drive unit for each semi-transparent mirror member, and the durability against vibration and the like is improved. Is sufficient, and it is possible to achieve regular light emission. Further, since a rotor or the like for supporting the semi-transmissive mirror member is unnecessary, it is possible to increase the amount of radiated light by increasing the reflection area of the semi-transmissive mirror member.

According to another aspect of the laminated rotary lamp of the present invention, a plurality of support substrates stacked at a predetermined interval in a direction along a predetermined axis and fixed at positions on the predetermined axis of each support substrate. And a plurality of light sources from the light source unit, and the support substrates so that the light from the light source unit is reflected in a predetermined direction intersecting the predetermined axis to emit light to the surroundings and is rotatable around the axis. A plurality of reflecting members attached to each of the plurality of reflecting members, a rotation driving unit for generating a rotation force, and a transmission unit commonly transmitting the rotation force from the rotation driving unit to the plurality of reflection members. Is characterized by.

According to this structure, the light source section is fixed to each of the plurality of support substrates stacked at a predetermined interval. A reflection member is rotatably attached to each support substrate. The rotating force from the rotation driving means is commonly transmitted to the reflecting member attached to each supporting substrate by the transmitting means. Therefore, it is not necessary to provide the rotation driving means corresponding to each of the plurality of reflecting members.
Therefore, it is possible to reduce the number of parts and prevent the light from the reflecting member from being blocked by the motor or the like. Moreover, since the light source unit is fixed to the supporting substrate and the reflecting member is rotatably attached to the supporting substrate,
The support structure for the light source and the reflecting member is also strong, and it can sufficiently withstand use under strong vibration. Also, the power supply to the light source can be favorably performed.

According to another aspect of the laminated rotary lamp of the present invention, a plurality of substrates laminated at a predetermined interval in a direction along a predetermined axis line and a plurality of substrates mounted on the plurality of substrates respectively are provided along the predetermined axis line. A light emitting diode element for generating light, a rotary shaft rotatably mounted on the predetermined axis, and the rotary shaft corresponding to each of the plurality of substrates, and the light emitting diode. It is characterized by including a plurality of reflecting members that reflect light from the element in a predetermined direction intersecting the predetermined axis line and emit light to the surroundings, and a rotation driving unit that rotationally drives the rotation shaft.

In this structure, the light emitting diode is mounted on a plurality of substrates laminated at a predetermined interval, and the light from the light emitting diode is reflected by the reflecting member to achieve light emission to the surroundings. . A plurality of reflecting members corresponding to each of the plurality of substrates are attached to a rotation shaft that is rotated around a predetermined axis by the rotation driving means. Therefore, the plurality of reflecting members can be rotated by the single rotation driving means.

Further, the light emitting diode as the light source is mounted on each of the plurality of substrates, and the light emitting diode is not rotated together with the reflecting member. Therefore, power can be favorably supplied to the light emitting diode. further,
The light-emitting diode can be firmly mounted on the substrate, and since the reflecting member for reflecting the highly directional light from the light-emitting diode does not need to have a complicated shape such as an umbrella shape, It can be installed well. Therefore, the durability against vibration is also sufficient.

[0024]

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a partially exploded perspective view showing the structure of a laminated rotary lamp according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view thereof. The laminated rotary lamp is formed in a substantially rectangular column shape as a whole, and a plurality of light bulbs 21 are fixedly installed along the axis 20 at predetermined intervals.
A reflecting mirror 23 is arranged in association with each light bulb 21.
A plurality of reflecting mirrors 23 are arranged along the axis 20,
The light from the corresponding light bulb 21 is reflected and emitted in the direction intersecting the axis 20. The plurality of reflecting mirrors 23 are connected to each other and are held so as to be integrally rotatable around the axis 20. In this way, the plurality of light emitting portions 30 including the light bulb 21 and the reflecting mirror 23 are stacked in multiple stages (three stages in this embodiment). The plurality of reflecting mirrors 23 are rotated by a rotary drive mechanism (not shown in FIG. 1) provided in the base base portion 25, which will be described later.

The globe 2 having a square tubular shape so as to surround the light bulb 21 and the reflecting mirror 23 which constitute the light emitting section 20 of each stage.
7 are covered respectively. The globe 27 is made of a colored translucent material, and, for example, different colors are applied to the light sources 21. The globe 27 has stepped portions 29a and 29b formed on the upper and lower portions,
The upper step portion 29a is fitted in the lower step portion 29b of the upper glove 27 so that they can be connected to each other. The base 25
A similar stepped portion 25a is also formed on the upper part of this, and this stepped portion 25a fits into the lower stepped portion 29b of the lowermost glove 27.

With the plurality of gloves 27 connected, the top plate 31 is fitted into the uppermost globe 27.
Then, the bolt 33 that is inserted through the insertion hole 32 formed in the central portion of the top plate 31 has the top plate 3 of the light source holding portion 35 described later.
The plurality of gloves 27 can be attached by being screwed into the screw holes 38 of the No. 7. Light source mounting part 35
Between the top plate 37 and the top plate 31 on the side of the globe 27, a reflecting mirror guide 39 as a rotation guide means is attached. The reflecting mirror guide 39 is for guiding the rotation of the plurality of reflecting mirrors 23 coupled to each other around the axis 20.

FIG. 3 is a perspective view showing the structure of a light source holding portion 35 for holding a plurality of light bulbs 31 in multiple stages. The light source holder 35 includes a pair of shafts 4 having a hexagonal head 43.
It is attached to the substrate 45 by 1. Shaft 4
In FIG. 1, the top plate 37 is inserted, and further the socket metal fittings 47 of the respective stages to which the sockets 22 for holding the light bulb 21 are fixed are inserted. However, the socket fitting 47 at the bottom is
The shaft 41 is screwed together. That is, as shown in FIG.
Is formed, and the threaded portion 41a is
7 is screwed into the screw hole 42. Screw part 41
From the bottom of the socket metal fitting 47 to the nut 4 near the tip of a.
4 is screwed. The screw portion 41a is further provided on the substrate 45.
Through the insertion hole 45a of the nut 4 and the nut 4
8 is screwed.

A spacer 49 for inserting the shaft 41 is interposed between the socket metal fittings 47 of each step.
The spacer 49 holds the socket fittings 27 at a constant distance. The socket fitting 47 has a substantially cylindrical shape, and has a top surface portion 47 a to which the socket 22 is fixed.
And a side surface portion 47b. And the top portion 47
In a, a hole 46 for inserting a lead wire 50 (see FIG. 3) for supplying power to the upper light bulb 21 is formed at a position near one shaft 41. However, the hole 46 for inserting the lead wire 50 is not necessary in the uppermost socket metal fitting 47. Notches may be formed instead of the holes 46.

The substrate 45 holding the light source holding portion 35
Are attached to the base base portion 25 by hexagonal columnar support members 51 provided at the four corners. In particular,
A screw hole is formed at the top of the support member 51, and a male screw is formed at the bottom thereof. And the support member 5
A bolt 53, which is inserted through the substrate 45, is screwed into the screw hole at the top of the base 1, and a nut (not shown) is screwed into the male screw at the bottom from the bottom surface of the base base 25.

A motor 55 as a drive source for rotationally driving the reflecting mirror 23 is attached to the substrate 45 with bolts 56. The pulley 57 attached to the drive shaft of the motor 55 meshes with the large diameter portion 58a of the intermediate gear 58 having the large diameter portion 58a and the small diameter portion 58b. Figure 4
FIG. 6 is an exploded perspective view for explaining the configuration of the reflecting mirror 23. The reflecting mirror 23 has a pair of upper and lower holding discs 61 and 62 formed in a donut shape, and a reflecting portion 63 held between the holding discs 61 and 62. The reflecting portion 63 has a curved surface portion 63a having a focal point at the position of the light bulb 21, and flat surface portions 63b provided on both side portions of the curved surface portion 63a.
The flat portion 63b is intended to reinforce the entire reflecting mirror 23 and to extend the light emission time in one direction.

The pair of holding discs 61 and 62 are provided with a structure for connecting another reflecting mirror 23 above or below the holding discs 61 and 62. That is, the reflecting mirror 23 to which another reflecting mirror 23 is to be coupled upward has a pair of engaging claws 63 on the upper holding disc 61. In addition, another reflecting mirror 23 is provided below.
The reflecting mirror 23 to be connected with has an engaging hole 64 with which the above-mentioned engaging claw 63 can be engaged with the lower holding disc 62.

Upper holding disc 61 and lower holding disc 62
Holes 65 and 66 into which the above-described socket fitting 47 provided in the light source holding portion 35 can be inserted are formed in the central portion of the. A rising portion 67 is formed at the edge of the hole 65 of the upper holding disc 61, and the rising portion 67 is a hole 66 formed in the lower holding disc 62 of the reflecting mirror 23 to be connected to the upper portion thereof. Fit in.

With this structure, the pair of vertically adjacent reflecting mirrors 23 has the engaging claws 63 provided on the upper holding disc 61 of the lower reflecting mirror 23 and the lower holding disc 62 of the upper reflecting mirror 23. By engaging with the engaging hole 64 formed in, the connection is established. As a result, the plurality of reflecting mirrors 23 are integrally combined. A plurality of engagement holes 64 are formed at predetermined angular intervals along the circumferential direction of the holding disc 62. Therefore, the angle between the reflecting mirrors 23 can be adjusted by appropriately selecting which engaging hole 64 the engaging claw 63 is engaged with.

The reflecting mirror 23 may be formed by integral molding, and the upper holding disc 61, the lower holding disc 62 and the reflecting portion 63 are separate bodies, and the reflecting mirror 23 is constituted by these assemblies. May be. The integral molding has an advantage that the number of parts is reduced, and the holding disks 61, 62 and the reflecting portion 63 are separately provided, which has an advantage that parts can be easily produced. Further, when it is not necessary to unitize the individual reflecting mirrors 23, a plurality of stages of reflecting mirrors may be created by alternately stacking the holding disks and the reflecting parts, which are created separately. In this case, since the holding disks are shared by the reflecting mirrors that are vertically adjacent to each other, the number of parts is reduced.

As shown in FIG. 2, the above-mentioned reflecting mirror guide 39 is engaged with the rising portion 67 formed on the upper holding disc 61 of the uppermost reflecting mirror 23. The reflecting mirror guide 39 is in sliding contact with the rising portion 67 when the plurality of reflecting mirrors 23 are integrally driven to rotate, and the reflecting mirrors 2
Stabilize the rotation of 3. The reflecting mirror guide 39 is press-fitted into a cylindrical holding portion 69 (see FIG. 2) formed on the lower surface of the top plate 31 to position it.

A main gear 59 is attached to the lower holding member 62 of the lowermost reflecting mirror 23. That is, the main gear 59 is provided with a pair of engaging claws 71 protruding upward, and the engaging claws 71 are engaged with the engaging holes 72 formed in the lower holding member 62 of the reflecting mirror 23 at the lowermost stage. (See FIG. 2). As a result, the attachment of the main gear 59 is achieved. The main gear 59 has a hole 73 formed in the center thereof so that the lowermost socket metal fitting 47 can be rotatably inserted therein, and the intermediate gear 58 shown in FIG. A gear 74 meshing with the small-diameter portion 58b is formed. The side surface 47b of the socket fitting 47 that faces the hole 73 is in sliding contact with the inner peripheral surface of the hole 73 with little friction.

FIG. 5 is an illustrative view showing a meshed state of gears. Pulley 57 attached to the drive shaft of the motor 55
Meshes with a large diameter portion 58a of the intermediate gear 58, and a small diameter portion 58b of the intermediate gear 58 meshes with the main gear 59. As a result, the rotation of the motor 55 is reduced in two stages and transmitted to the main gear 59. FIG. 6 is an electric circuit diagram showing the electrical configuration of the above-mentioned laminated rotary lamp. To the common terminal Tc connected to the power supply unit 77, the plurality of light bulbs 21 provided in each light emitting unit 30 and the motor 55 are connected in parallel. And the terminal T connected to each light bulb 21
1, T2, T3 are connected to the power supply unit 77 via switching means S1, S2, S3 composed of transistors or the like. The motor 55 has terminals T1, T2, T3.
Are connected via diodes D1, D2 and D3, respectively.

In this configuration, the switching means S1, S
By controlling S2 and S3 individually, the light bulb 2 of each stage
It is possible to individually control ON / OFF of 1. Then, any one of the switching means S1, S2, S3
If is conducted, current is supplied to the motor 55. In addition, the diodes D1, D2, and D3 are connected to one of the light bulbs 2
One of the switching means S for lighting 1
This prevents current from being supplied to a light bulb that does not need to be turned on when 1, S2 and S3 are turned on. That is, if the diodes D1, D2, D3 are not provided, for example, when the switching means S1 is turned on, a current may flow along the paths indicated by reference numerals 79, 80, and the bulb corresponding to the switching means S2. 21 as well as other 2 corresponding to the switching means S1 and S2
The two light bulbs 21 also light up. Such undesired currents are blocked by the diodes D1, D2 and D3.

According to the laminated rotary lamp of the present embodiment having the above-mentioned structure, the light bulb 21 provided in the light emitting section 30 of each stage is integrated along the axis 20 by the light source holding section 35. Held in. Then, the plurality of reflecting mirrors 23 connected to each other around the light source holder 35 rotate integrally. That is, since the reflecting mirror 23 is rotated while the light bulb 21 is fixedly installed, power supply to the light bulb 21 does not become difficult, and as shown in FIG. By drawing the lead wire 50, it is possible to easily supply power to each light bulb 21. Again, light bulb 2
Since 1 is fixedly installed, it can have a sufficient durability life and also has sufficient durability against vibration.

Further, since the plurality of reflecting mirrors 23 are integrally rotated by using the single motor 55 housed in the base 25, the number of motors can be reduced, and the drawing Unlike the conventional configuration shown in FIG. 20, it is not necessary to provide a rotor for rotating the reflecting mirror for each light emitting unit 30 in each stage. As a result, the number of parts can be reduced. In addition, since the light reflected by the reflecting mirror 23 is not blocked by the motor, a sufficient amount of light can be applied in any direction. Further, as a result of not requiring a rotor, the range over almost the entire height of each light emitting portion 30 can be used for the arrangement of the reflecting mirror 23. That is, since the reflection area of the reflecting mirror 23 can be made large, the amount of emitted light can be significantly increased. vice versa,
When it is desired to obtain the same amount of emitted light as the conventional configuration shown in FIG. 21, the height of each light emitting unit 30 can be reduced,
The whole can be miniaturized.

On the other hand, the plurality of reflecting mirrors 23 can be firmly connected to each other by the structure shown in FIG. 4, and the reflecting mirror guide 3 is provided on the uppermost reflecting mirror 23.
9 is engaged, and a main gear 59 is attached to the lowermost reflecting mirror 23. Therefore, the plurality of integrally connected reflecting mirrors 23 can be stably rotated without being affected by vibration or the like. Moreover, since the angles between the plurality of reflecting mirrors 23 do not change during the rotation, when the light emitting sections 30 of the respective stages emit light all at once, it is possible to perform regular light emission. . It should be noted that in the present embodiment, it can be said that the reflecting mirror 23 itself functions as a transmission means for transmitting the rotational force from the motor 55.

FIG. 7 is a sectional view showing a structure which can be adopted instead of the reflecting mirror guide 39 in order to stabilize the rotation of the connecting body of the reflecting mirrors 23. That is, in this configuration, the circular guide hole 80 corresponding to the upper holding disc 62 of the reflecting mirror 23 is formed in the upper portion of the globe 27.
That is, the circular guide hole 80 functions as the rotation guide means. The guide hole 80 is in sliding contact with the rising portion 81 formed at the edge of the upper holding disc 62.

In this structure, the upper holding disk 62 of the reflecting mirror 23 of each step is guided by the guide hole 80 formed in the upper part of the globe 27 of each step, so that the rotation is further stabilized. be able to. In addition to this structure, a cylindrical reflecting mirror guide is integrally formed on the lower surface of the top plate 31 above the globe 27 (see FIG. 2, etc.), and the integrally formed reflecting mirror guide is used as the reflecting mirror 23. Upper holding disc 6
A configuration may be adopted in which the rising portion 67 formed in No. 1 is brought into sliding contact. Further, the upper holding disk 61 of the uppermost reflecting mirror 23 may be pivotally supported on the shaft provided on the axis 21. In such a configuration, for example, a cylindrical spacer for inserting the bolt 33 is interposed between the top plate 31 and the top plate 37 on the light source holding portion 35 side, and the upper holding disc 61 is pivotally supported by this spacer. It is realized by the configuration. Of course, in this case, it is necessary to provide the upper holding disc 61 with an engaging portion having a hole through which the cylindrical spacer is inserted with a slight gap.

FIG. 8 is a perspective view showing the structure of a reflecting mirror 23A which can be used in place of the above-mentioned plurality of reflecting mirrors 23. The reflecting mirror 23A is integrally formed in a cylindrical shape by using a light-shielding material, and is large enough to allow the light source holding portion 35 to be inserted therein and to be housed inside the connected body of the globe 27. Have The light bulb 21 is provided at a position corresponding to the light emitting unit 30 of each stage.
A reflecting portion 83 (shown by hatching in FIG. 8) for reflecting the light from and emitting the reflected light in the direction intersecting the axis 20 is formed on the inner peripheral surface. A window 84 is formed at each position symmetrical with respect to the axis 20 with respect to the reflecting portion 83 so that the reflected light from the reflecting portion 83 is emitted to the outside of the cylinder. The light emitted from the window 84 is colored by the globe 27 and then emitted to the surroundings.

The reflecting mirror 23A corresponds to the main gear 5 described above.
9 and is driven to rotate about the axis 20. As a result, rotating light can be provided to the surroundings for each light emitting unit 30. The window 84 does not necessarily have to be provided if the portion other than the reflecting portion 83 of the reflecting mirror 23A is made of a transparent material.

FIG. 9 is a perspective view showing the structure of still another reflecting mirror 23B which can be used in place of the above-mentioned plurality of reflecting mirrors 23. In this reflecting mirror 23B, a plurality of (four in FIG. 9) shafts 87 are erected on a main gear 59B used in place of the above-mentioned main gear 59, and a reflecting plate 88 is attached to this shaft 87. . Reflector 8
8 is attached to the position corresponding to the light-emitting part 30 of each step. 74B is a gear that meshes with the small diameter portion 58b of the intermediate gear 58.

By applying the rotational force from the motor 55 to the main gear 59B via the pulley 57 and the intermediate gear 58, the rotational light from the light emitting section 30 at each stage can be applied to the surroundings. FIG. 10 is a perspective view showing a configuration example of a light source section that can be used in place of the plurality of light bulbs 21 described above. In this configuration, the light bulb 21 is provided only corresponding to the lowermost light emitting unit 30. Then, with respect to the light emitting portion 30 in the second or higher stage from the bottom, a substantially cylindrical support member 47A.
A hole 90 is formed in the center of the, and a conical transparent acrylic block 91 is fixed so as to cover the hole 90.

The light emitted upward from the light bulb 21 is transmitted through the hole 9
After passing through 0, it is incident on the acrylic block 91, part of which is refracted by the conical surface and is emitted in a direction intersecting the axis 20
The remaining part passes through the acrylic block 91 and goes further upward. In this way, a single light bulb 21 can be used to obtain a plurality of light source units that emit light in a direction intersecting with the axis 20.

In order to increase the amount of light incident on the acrylic block 91, a lens for collimating the light from the light bulb 21 is provided above the light bulb 21, or a reflecting mirror is provided on the top surface of the socket fitting 21. It is preferable that the light from the light bulb 21 is reflected upward. Also,
The light source including the light bulb 21 and the like may be housed in the base base 25, and the light source unit of the entire stage light emitting unit 30 may be realized by a configuration in which the light from the light bulb 21 is refracted by the acrylic block 91.

It should be noted that the light source section of the present configuration example has the configuration shown in FIGS.
And any of the reflectors shown in FIG. 9 can be used in combination. FIG. 11: is a perspective view which shows the other structural example of the light source part which can be used instead of the said some light bulb 21. In this configuration example, a straight tube fluorescent lamp 9
3 is used as a light source. Fluorescent lamp 93 has axis 20
Is fixedly held along, and the cylindrical reflecting mirror 23A shown in FIG. 8 is rotated around the fluorescent lamp 93, for example. Of course, the other reflecting mirrors shown in FIGS. 4 and 9 are also applicable.

FIG. 12 is a front view showing an example of a light source holding structure which can be applied in place of the above-mentioned light source holding structure using the light source holding portion 35. In this example, a long holding member 97 is used in which a plurality of socket support portions 95 are provided at predetermined intervals so as to project in one direction. This holding member 97 is
It can be created by press forming a sheet metal. The socket 22 is attached to each socket support portion 95 by welding, and the light bulb 21 is held in the socket 22.

In this structure, since the light bulb 21 is supported in a cantilevered manner by the press-molded plate-shaped holding member 97, the light from the light source 21 is blocked as compared with the light source holding portion 35 described above. However, there is an advantage that the amount of emitted light can be increased. FIG. 13 is a perspective view showing the configuration of the main part of the laminated rotary light according to the second embodiment of the present invention. A light source 102 capable of emitting light upward along an axis 105 is provided in the base 101. A plurality of reflecting mirror units 103 are stacked along the path of light from the light source 102. Although not shown in FIG. 13, a glove made of a colored translucent material is provided so as to cover each component above the base base 101. This glove is similar to the glove 27 shown in FIG. 1, for example.

FIG. 14 is a vertical sectional view showing the structure of the reflecting mirror unit 103. The reflector unit 103 includes the light source 10
It has a half mirror 104 as a semi-transmissive member arranged so as to cross the optical path from 2, and a pair of upper and lower holding discs 106 and 107 fixed to the half mirror 104. Holes 108 and 109 through which the light from the light source 102 can pass are formed in the holding disks 106 and 107, respectively.

At the edge of the hole 108 of the upper holding disc 106, the rising portion 11 is fitted into the hole 109 of the lower holding disc of the reflecting mirror unit 103 to be connected thereabove.
0 is formed. A plurality of reflecting mirror units 103
Are fixed to each other using, for example, an adhesive. Of course, similarly to the configuration shown in FIG. 4 described above, a plurality of engaging claws and engaging holes are formed in the upper holding disc 106 and the lower holding disc 107, respectively, and a plurality of engaging claws and engaging holes are engaged with each other. The connection of the reflector units 103 may be achieved.

In this way, the plurality of reflecting mirror units 103 connected to each other are integrally rotated about the axis 105 by receiving a driving force from a rotation driving mechanism (not shown) provided in the base base 101. . At this time, part of the light from the light source 102 is reflected by the half mirror 104 and is emitted in a direction intersecting the axis 105, and the remaining part is guided to the reflecting mirror unit 103 above it.

In this structure, the light emitting section of each stage does not require a light source section composed of a reflecting mirror or an acrylic block in addition to the half mirror 104, and has an advantage that the number of parts is extremely small. . In FIG. 13, reference numeral 111 is a reflecting mirror guide for slidingly contacting the rising portion 110 of the uppermost reflecting mirror unit 103 to stabilize the rotation of the connected body of the reflecting mirror units 103. The reflecting mirror guide 111 is preferably attached to the lower surface of a top plate which is to be fixed to the upper portion of a globe (not shown).

In order to improve the strength of the reflecting mirror unit 103, it is preferable to provide side walls on both sides of the half mirror 104. FIG. 15 is a perspective view showing a partially exploded structure of the laminated rotary light according to the third embodiment of the present invention.
FIG. 3 is a cross-sectional view showing its internal structure. This laminated revolving light has a square column shape as a whole, and has a base 1
It is configured by stacking a plurality of stages of light emitting portions 120 on the layer 15. A colored translucent globe 117 is covered so as to surround the light emitting portion 120 of each step. Multiple gloves 11
The connection body of No. 7 is fixed by screwing a bolt 123 that inserts the top plate 119 to the chassis 121.

The light emitting section 120 of each stage is composed of a plurality of supporting substrates 1 which are laminated at predetermined intervals in the direction along the axis 122.
25 respectively supported. Lower light emitting part 1
The support substrate 125 corresponding to 20 has three corners supported by four support rods 127 fixed to the bottom of the base 115. The support rod 127 has a threaded portion 12 at the bottom.
8 and the threaded portion 128 has a base 11
The bottom of No. 5 is inserted and screwed into the nut 129. A screw hole is formed in the upper portion of the support rod 127, and a screw portion 132 formed at the tip of a support rod 131 having the same structure as the support rod 127 is screwed into this screw hole. This support rod 1
A support substrate 125 is sandwiched between 31 and the support rod 127.

Support substrate 1 corresponding to the upper light emitting section 120
25 is supported by the support rods 131 provided at the three corners. Further, the chassis 121 is also similarly supported by the support substrate 1.
It is supported by support rods 131 provided at the three corners of 25. From the upper surface of the chassis 121, bolts 134 are screwed into the screw holes of the support rod 131. Support substrate 125
The socket metal fitting 133 is fixed to the central part of
The socket 135 is fixed to the socket fitting 133. A light bulb 137 is held in the socket 135. The rotor 13 is rotatable around the socket fitting 133 so as to surround the socket fitting 133.
9 is attached to the support substrate 125. Rotor 13
A reflecting mirror 143 is attached to the upper surface of 9 by a bolt 141.

An endless belt 145 made of an elastic material is wound around the peripheral portion of the rotor 139. The belt 145 includes the chassis 121 and the lower support substrate 1.
It is also wound around a rotary shaft 150 which is rotatably supported by bearings 147 and 148 provided on the shaft 25. Rotating shaft 15
0 is the thick shaft portion 15 at the position where the belt 145 is wound.
1, and the surface of the thick shaft 151 is the belt 14
5 is processed into an uneven surface so that a large frictional force can be generated. Further, the rotary shaft 150 is inserted through a hole 153 formed in the upper support substrate 125.

A gear 155 is fixed to the lower end of the rotary shaft 150. The gear 155 meshes with a pulley 159 to which the rotational force from the motor 157 is applied. The motor 157 is fixed to the motor mounting plate 160 with bolts 161, and the motor mounting plate 160 is mounted to the support substrate 125 with bolts 162. The spacer 163 secures the distance between the support substrate 125 and the motor mounting plate 160.

According to the above configuration, the motor 155
When the electric power is applied to the rotating shaft 150, the rotating shaft 150 rotates, and this rotation is transmitted to the rotor 139 by the belt 145. As a result, the rotors 139 of each stage are simultaneously driven to rotate. Therefore, a laminated rotary lamp using one motor is realized, which can contribute to a reduction in the number of parts and an increase in the amount of emitted light. Further, since the light bulb 137 and the rotor 139 are both firmly attached to the support substrate 125,
It can have sufficient durability life and vibration resistance. Further, the electric power can be easily supplied to the electric bulb 137.

As described above, in this embodiment, the rotary shaft 150
The belt 145 constitutes a transmission means. In FIGS. 15 and 16, reference numeral 165 is a cushioning member for cushioning vibration. FIG. 17 is a side sectional view showing the internal structure of the laminated rotary light according to the fourth embodiment of the present invention. A plurality of shafts 172 are erected on the base base 171. That is, the shaft 172 has the chassis 1
73, through which the first wiring board 181 and the second wiring board 182 are inserted, and further through the chassis 174, which is fixed to the bottom of the base base 171 with a nut 175. The first wiring board 181 and the second wiring board 182 are laminated in the direction along the axis line 180 with a predetermined gap. Chassis 173, wiring board 181,1
The space between the base 82, the chassis 174 and the bottom surface of the base 171 is held constant by spacers 176, 177, 178 and 179 through which the shaft 172 is inserted. The first wiring board 181 and the second wiring board 182 have substantially the same configuration.

In FIG. 17, reference numeral 197 is a colored translucent globe, and 198 is a top plate. Top plate 198
The attachment of the globe 197 is accomplished by screwing the chassis 173 with the bolt 199. Further, 210 is a buffer member for cushioning vibration. FIG. 18 is a bottom view of the first wiring board 181. That is, the plurality of light emitting diode elements 183 are mounted downward on the first wiring board 181. And
A hole 184 is formed near the center.

The rotating shaft 185 is inserted through the hole 184.
Is provided. The rotating shaft 185 is the first wiring board 1
81 and the bearing 18 provided on the chassis 174, respectively.
It is pivotally supported by 7,188. Then, at positions between the first wiring board 181 and the second wiring board 182 and between the second wiring board 182 and the chassis 174,
Reflecting mirrors 191, 192 each having an elliptical plate shape are attached. That is, the reflecting mirrors 191 and 192 have mounting bosses 193 and 194 at their centers, and after inserting the rotary shaft 185 into these bosses 193 and 194,
Bolts 195, 19 screwed onto the bosses 193, 194
6 has been concluded. It should be noted that the reflecting mirror 191 occupies a substantially circular area in a plan view as shown by an imaginary line in FIG. 18, and can reflect the light from all the light emitting diode elements 183 at any rotation position. . The same applies to the reflecting mirror 192.

The lower end of the rotary shaft 185 is attached to the motor mounting plate 2
Supported by 00. Motor mounting plate 200
Are attached to the chassis 174 by bolts 202 that pass through the spacer 201. A motor 203 is attached to the motor attachment plate 200 with bolts 204. A pulley 205 is attached to the drive shaft of the motor 203.
Is fixed. The pulley 205 has a rotary shaft 185.
A gear 206 fixed to the lower end of the gear meshes with the gear.

According to this structure, when the light emitting diode element 183 is turned on, the light emitting diode element 1
The light from 83 is reflected by the reflecting mirror 191 and the globe 19
It is transmitted through 7 and emitted to the outside. Therefore, the motor 2
When the rotating shaft 185 is rotated by energizing 03, the emission direction of the light from the reflecting mirror 191 rotates as the reflecting mirrors 191 and 192 rotate.

In this way, in this embodiment, the light emitting diode element 183 is used as a light source. Then, while the light emitting diode element 183 is fixedly installed, the plurality of reflecting mirrors 191 and 192 are simultaneously rotated, so that the rotating light can be given to the surroundings.
The rotational force from the motor 203 is commonly transmitted to the plurality of reflecting mirrors 191 and 192 by the rotating shaft 185. Therefore, it is not necessary to use a motor for each of the reflecting mirrors 191 and 192. Further, a rotor for holding the reflecting mirrors 191 and 192 is not necessary. Therefore, the number of parts can be extremely reduced, and the reflecting mirrors 191, 192
The area can be made large, and light can be emitted from the entire globe 197 to the outside.

Further, since the light from the light emitting diode element 183 has a strong directivity, it is not necessary to use a complicated shape such as an umbrella shape, and the plate-shaped reflecting mirrors 191 and 19 are used.
2 may be used. Such a plate-shaped reflecting mirror 191,1
92 can be easily and firmly attached to the rotary shaft 185. Note that if a light emitting diode 183 that can generate colored light is applied, the globe 197 does not necessarily need to be colored, and a colorless and transparent globe may be applied.

FIG. 19 is a side sectional view showing the internal structure of the laminated rotary lamp of the fifth embodiment of the present invention. Since this embodiment is similar to the above-mentioned fourth embodiment, parts corresponding to the respective parts shown in FIG. 17 are designated by the same reference numerals. In this embodiment, the reflecting mirrors 191, 192 having an elliptical plate shape.
Instead, reflecting mirrors 191A and 192A formed by combining semi-elliptical plates in a mountain shape are attached to the rotating shaft 185 for use.

With this structure, the light from the light emitting diode 183 can be emitted in two directions, and the height of the light emitting portion of each stage can be reduced. That is, the height of the light emitting portion in each stage is about half that of the configuration shown in FIG. As a result, it is possible to reduce the overall size of the laminated rotary light. The embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments. For example, in the above-described first embodiment, the rotation of the motor is transmitted to the reflecting mirror 23 using a gear, but the rotation of the motor may be transmitted to the reflecting mirror 23 by frictional contact. Specifically, the main gear 5
Instead of 9, use a rotating body wound with a rotor rubber,
A rotor fixed to the drive shaft of the motor may be brought into frictional contact with the rotor rubber. Further, in each of the above embodiments, the colored translucent glow portion is used, but a colorless and transparent globe may be used if coloring is not required. In addition, various design changes can be made without changing the gist of the present invention.

[0072]

According to the first aspect of the present invention, while the light source unit is fixedly installed, the plurality of reflecting members are rotated around a predetermined axis. Therefore, power supply to the light source unit does not become difficult, which is advantageous for practical use. Further, since the rotational force from the rotary driving means is commonly transmitted to the plurality of reflecting members by the transmitting means, it is not necessary to provide the rotary driving means for each reflecting member, and the number of parts can be reduced. In addition, it is possible to effectively prevent the light reflected by the reflecting member from being blocked by the motor or the like, so that the amount of emitted light can be increased.

According to the second aspect of the present invention, since it is not necessary to provide the rotation driving means for each of the plurality of reflecting members, the number of parts can be reduced and the reflected light from the reflecting member can be generated by the motor or the like. It is emitted to the surroundings without being blocked. Moreover, since the light source unit is fixedly installed, power can be favorably supplied to the light source unit. Moreover, since the plurality of reflecting members are connected to each other and integrated, they can be firmly supported and have high durability against vibration and the like. Furthermore, since the plurality of reflecting members are coupled and integrated with each other, the relative angle of each reflecting member does not change, so that regular light emission can be achieved.

According to the third aspect of the invention, since the rotation of the plurality of reflecting members is guided by the rotation guide means, the rotation of the reflecting members can be stabilized. Therefore, for example, an extremely stable operation can be performed even in an environment with a lot of vibration. According to the invention as set forth in claim 4, it is possible to configure a laminated rotating lamp by using a light source unit for one light. Therefore, not only the power supply to the light source unit can be easily performed, but also the number of parts is extremely reduced. Moreover, since the plurality of semi-transmissive mirror members are coupled to each other and are integrally rotated by the rotary drive means, it is not necessary to provide the rotary drive means for each semi-transparent mirror member.
It has sufficient durability against vibrations, etc., and can achieve regular light emission. Further, since a rotor or the like is unnecessary, it is possible to increase the amount of radiated light by increasing the reflection area of the semitransparent mirror member.

According to the fifth aspect of the present invention, since it is not necessary to provide rotation driving means for each of the plurality of reflecting members, the number of parts can be reduced. Further, since the light source unit is fixed to the support substrate, power can be favorably supplied to the light source unit. Further, since the light source section and the reflection member are attached to the support substrate, the support structure of the light source section and the reflection member is also strong, and it is possible to sufficiently withstand use under strong vibration.

According to the invention described in claim 6, since it is not necessary to provide the rotation driving means for each of the plurality of reflecting members, the number of parts can be reduced. Further, since the light emitting diode element as the light source is mounted on the substrate, the mounting structure thereof is strong, and the power supply to the light emitting diode element can be satisfactorily performed. Further, since the reflecting member for reflecting the light from the light emitting diode element having a strong directivity does not need to have a complicated shape, it can be mounted well on the rotation shaft. Therefore, since both the light source and the reflecting member can be firmly attached, the durability against vibration is sufficient.

[Brief description of drawings]

FIG. 1 is a perspective view showing a partially exploded structure of a laminated rotary light according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of the laminated rotary lamp.

FIG. 3 is a perspective view showing a configuration of a light source holder.

FIG. 4 is an exploded perspective view showing a configuration of a reflecting mirror.

FIG. 5 is an illustrative view for explaining a meshing state of gears.

FIG. 6 is an electric circuit diagram showing an electric configuration of the laminated rotary lamp.

FIG. 7 is a cross-sectional view showing a configuration example for guiding the rotation of a reflecting mirror.

FIG. 8 is a perspective view showing another configuration example of a reflecting mirror.

FIG. 9 is a perspective view showing still another configuration example of the reflecting mirror.

FIG. 10 is a perspective view showing another configuration example of a light source section.

FIG. 11 is a perspective view showing still another configuration example of the light source unit.

FIG. 12 is a perspective view showing still another configuration example of the light source unit.

FIG. 13 is a perspective view showing a configuration of a main part of a laminated rotary light according to a second embodiment of the present invention.

FIG. 14 is a vertical cross-sectional view showing the structure of a reflecting mirror.

FIG. 15 is a perspective view showing a partially exploded structure of a laminated rotary light according to a third embodiment of the present invention.

FIG. 16 is a cross-sectional view showing the internal structure of the laminated rotary lamp of the third embodiment.

FIG. 17 is a side sectional view of a laminated rotary light according to a fourth embodiment of the present invention.

FIG. 18 is a bottom view of the wiring board.

FIG. 19 is a side sectional view of a laminated rotary light according to a fifth embodiment of the present invention.

FIG. 20 is a cross-sectional view showing the internal structure of a conventional laminated rotary lamp.

FIG. 21 is an electrical circuit diagram showing an electrical configuration of the conventional stacked rotary lamp.

[Explanation of symbols]

21 light bulb 23 Reflector 30 Light emitting part 35 Light source holder 39 Reflector guide 55 motor 58 Intermediate gear 59 Main gear 80 guide hole 23A reflector 83 Reflector 84 windows 23B reflector 59B main gear 87 shaft 88 reflector 90 holes 91 acrylic block 93 fluorescent light 95 Socket support 97 holding member 103 Reflector unit 104 half mirror 108 holes 109 holes 120 Light emitting part 125 support substrate 131 support rod 137 light bulb 139 rotor 143 reflector 145 belt 150 rotation axis 151 thick shaft 155 gear 157 motor 181 First wiring board 182 Second wiring board 183 light emitting diode element 185 rotation axis 191 Reflector 192 Reflector 203 motor 206 gear 191A reflector 192A reflector

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Showa 50-58678 (JP, U) Showa 57-178302 (JP, U) Showa flat 3-80910 (JP, U) Showa flat 4- 98209 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F21S 2/00 G09F 13/00-13/46

Claims (6)

(57) [Claims] 1. A light source unit fixedly installed, and arranged along a predetermined axis line, and reflects light from the light source unit in a predetermined direction intersecting the predetermined axis line to emit light to the surroundings. A plurality of reflecting members provided so as to be rotatable about a predetermined axis, a rotation driving unit that generates a rotation force, and a rotation force from the rotation driving unit is commonly transmitted to the plurality of reflection members. A laminated rotating lamp comprising: a transmission means. 2. A plurality of light source units fixedly installed on a predetermined axis line with a predetermined space therebetween, and arranged along the predetermined axis line, and the light from each light source unit intersects the predetermined axis line. A plurality of reflecting members which are attached to each other so as to be reflected in a predetermined direction to emit light to the surroundings and to be integrally rotatable around the predetermined axis; and the plurality of reflecting members. A laminated rotating lamp, comprising: a rotation driving unit that rotates integrally. 3. The laminated rotating lamp according to claim 2, further comprising rotation guide means for guiding rotation of the plurality of reflecting members around the predetermined axis. 4. A light source section capable of emitting light in a direction along a predetermined axis line, and a light source section arranged along said predetermined axis line, and a part of the light from said light source section intersects with said predetermined axis line. The light is reflected in a predetermined direction and emitted to the surroundings, and the remaining part of the light from the light source unit is transmitted, and they are coupled to each other so that they can rotate integrally around the predetermined axis. 1. A laminated rotary lamp comprising: a plurality of semi-transmissive mirror members attached as a unit; and a rotation driving unit that integrally rotates the plurality of semi-transmissive mirror members. 5. A plurality of support substrates stacked at predetermined intervals in a direction along a predetermined axis line, a plurality of light source portions fixed to positions of the support substrates on the predetermined axis line, respectively. A plurality of reflecting members attached to each of the support substrates so that light from the light source unit is reflected in a predetermined direction intersecting with the predetermined axis to emit light to the surroundings and is rotatable around the axis. And a rotation driving means for generating a rotation force and a transmission means for commonly transmitting the rotation force from the rotation driving means to the plurality of reflecting members. 6. A plurality of substrates laminated at predetermined intervals in a direction along a predetermined axis, and a light emitting diode element mounted on each of the plurality of substrates and generating light along the predetermined axis. A rotary shaft rotatably mounted on the predetermined axis and the rotary shaft corresponding to each of the plurality of substrates, and the light from the light emitting diode element is guided to the predetermined axis. A laminated rotating lamp comprising: a plurality of reflecting members that reflect light in a predetermined direction intersecting with and emit light to the surroundings; and a rotation driving unit that rotationally drives the rotation shaft.