JPH0625843Y2 - Stage lighting - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a lighting device for performance.

[Conventional technology]

There are a production lighting device using an optical fiber represented by a starry sky ceiling in a living space, and a production lighting device for environmental production used in a store space such as a coffee shop. An example of the related art is shown in FIGS. 6 to 8. That is, in this production lighting device, a plate member 73 having a large number of through holes 72 formed therein, and one end portion 75 penetrating the through hole 72 from the back surface side of the plate member 73 and the other end portion are bundled to form a focusing portion 74. Optical fiber group 71 and the focusing section 7 of this optical fiber group 71
4 and a light source device 70 having a light control unit 78 in the light emitting section 82 for controlling the light entering the end surface of each optical fiber of the focusing section 74. The light control unit 78 includes a light control member 83 such as a pattern mask and a color filter, and a motor 79 that rotates the light control member 83. In the light source device 70, 76 is a lamp, 77 is a reflector, and 81 is a fixing member that fixes each optical fiber at one end of the optical fiber group 71 to the hole 72.

FIG. 7 shows an optical fiber group 7 penetrating the hole 72 of the plate material 73.
One end portion 75 of each optical fiber 1 is composed of a starry sky bright spot portion 75a and a shooting star bright spot portion 75b, and rotation of the light control member 83 of the light control means 78 causes the shooting star bright spot portion 75b to blink. And creates the effect of shooting stars.

FIG. 8 shows the optical fiber group 7 that penetrates the hole 72 of the plate material 73.
One end 75 of each optical fiber of 1 is a star bright spot 75b,
Bright spot 75c for characters that represents the characters "pine" as a whole
The bright spot portion 75b for stars blinks or the bright spot portion 75c for characters blinks to produce an advertising effect.

[Problems to be solved by the device]

However, in the case of "making a shooting star in the starry sky", for example, in this production lighting device, each one end 75 of the optical fiber group 71 inserted into the through hole 72 of the plate material 1 is 1
Since it is composed of two bright spots, the bright spots that make a shooting star are exclusive to shooting stars. Therefore, when a shooting star is not rendered in the starry sky, that portion cannot be flickered, so that the starry sky looks like a hole and the rendering effect deteriorates. Such a phenomenon has a drawback that when a pattern character for advertising is put in, the phenomenon becomes more remarkable when the pattern character is not used.

Therefore, an object of the present invention is to provide an illuminating device for production, which is capable of producing various patterns.

[Means for Solving the Problems]

The production lighting device according to claim (1) has a plate material having a large number of through holes, and a bright spot projection penetrating the through holes from the back surface side of the plate material, and a plurality of insertable fibers. A large number of transparent bright spot members each having a concave portion and an optical conduction portion between the fiber inserting concave portion and the bright spot projecting portion, and one end portion inserted into each of the fiber inserting concave portions. A plurality of sets of optical fiber groups whose ends are bundled to form a converging part, and a light emitting part which enters the converging part of these optical fiber groups are provided, and the light is incident on the end face of each optical fiber of the converging part. And a plurality of light source devices each having a light control unit for controlling light in the light emitting unit.

The production illumination device according to claim (2) is the illumination device for claim according to claim (1), wherein the fiber insertion concave portion and the bright spot projection of the bright spot member are coaxially provided at both end portions of the bright spot member. The bright spot projection is provided on the top of the conical convex portion, and the maximum width of the conical convex portion is larger than the maximum width of the fiber inserting concave portion.

[Operation] According to the production lighting device of claim (1), when each of the light source devices is individually turned on, a production effect by the control of the light control means of each light source device is obtained, so that there are several patterns of production. Will be possible.

According to the production lighting device of claim (2), the bright spot projection is provided on the top of the conical convex portion, and the maximum width of the conical convex portion is larger than the maximum width of the fiber insertion concave portion. The light transmission loss in the bright spot member is small.

〔Example〕

A first embodiment of the present invention will be described with reference to FIGS. That is, this production lighting device is provided with the plate 1
, A bright spot member 2, a plurality of optical fiber groups 3 to 5, and a plurality of light source devices 6 to 8.

The plate member 1 has a large number of through holes 9 formed therein, and a steel plate is used as an example.

The bright spot member 2 is formed of a colorless transparent body, has a bright spot projection 10 penetrating from the back surface side of the plate material 1 to the through hole 9, and has a fiber insertion recess 11 into which a plurality of fibers can be inserted. An optical conduction portion 2a is formed between the concave portion 11 for light emission and the projection portion 10 for bright spots. As shown in FIG. 3, the light reaching the one end 12 of the optical fiber group 3 passes through the light conducting portion 2a of the bright spot member 2 as indicated by the thin line arrow, and the bright spot projection 1 is formed.
It reaches 0, and the light is emitted to the outside from the bright spot projection 10. In this case, the fiber insertion recess 11 and the bright spot projection 10 are coaxial, and the maximum width d of the bright spot projection 10 is smaller than the maximum width D ′ of the fiber insertion recess 11. Even if any of the optical fibers inserted into the fiber insertion concave portion 11 emits light, the same light is emitted from the bright spot protrusion 10. Further, the bright spot projection 10 of the embodiment slightly projects downward from the plate material 1. Further, the bright spot member 2 is fixed to the plate material 1 with an adhesive in a state where the bright spot projection 10 penetrates the through hole 9.

In the optical fiber groups 3 to 5, one end 12 is inserted into each of the fiber insertion recesses 11 and the other end is bundled to form a converging portion 13.
Has become. One ends 12 of the optical fiber groups 3 to 5 are bonded and fixed in the fiber insertion recess 11 with an adhesive.

Each of the light source devices 6 to 8 has a light emitting portion 14 that enters the focusing portion 13 of the optical fiber group 3 to 5 and controls the light that enters the end surface of each optical fiber of the focusing portion 13.
Is included in the light emitting unit 14. The light control means 15 includes a light control member 26 such as a pattern mask or a color filter, and a motor 21 that rotates the light control member 26. Light control member 26
Is different for each of the light source devices 6 to 8, for example, the light control member 26 of the light source device 6 produces a shooting star (see FIG. 7), and the motor 21 is operated to blink the shooting star or blink the starry sky. I do. Similarly, the light control member 26 of the light source device 7 produces characters in the starry sky (see FIG. 8),
The light control member 26 of the light source device 8 is configured to produce the contents of the exhibition. Each light control member 26 can also illuminate all of the optical fibers of the optical fiber group. The light source devices 6 to 8 are, as shown in more detail in the light source device 6 of FIG. 1, a lamp 16, a reflecting mirror 17 provided on the back side of the lamp 16, a lamp socket 18, and a socket base 19.
And are housed in the main body 20.

This production lighting device is, for example, the lamp 1 of the light source device 6.
When 6 is turned on, light enters the focusing portion 13 of the optical fiber group 3 through the light control means 15 and reaches the one end portion 12,
Light is incident on the bright spot member 2 from the fiber insertion concave portion 11, passes through the light conducting portion 2a, and is emitted to the outside from the bright spot projection portion 10.
Therefore, since the projection 10 for bright spots emits light, many bright spots appear on the plate material 1. The same operation is performed when the light source devices 7 and 8 are turned on. In this case, the light source device 6 produces a shooting star, the light source device 7 produces a character, and the light source device 8 produces an exhibition content.

According to this embodiment, when each of the light source devices 6 to 8 is individually turned on, the effect of control by the light control means 15 of each of the light source devices 6 to 8 can be obtained, so that several kinds of pattern effects are possible. .

A second embodiment of this invention is shown in FIG. That is, in this production lighting device, the fiber insertion concave portion 11 and the bright spot projection 10 of the bright spot member 2 are coaxially provided at both ends of the bright spot member 2, and the bright spot projection 10 is a pyramid. The maximum width D of the conical convex portion 22 provided on the top of the convex portion 22 is larger than the maximum width D ′ of the fiber inserting concave portion 11. Reference numeral 23 is a groove for forming the conical convex portion 22 into a conical shape, and L is the height of the base portion.

According to this embodiment, the light in the light conducting portion 2a between the fiber insertion concave portion 11 and the bright spot protruding portion 10 is totally reflected on the inclined surface of the conical convex portion 22, so that the light transmission in the light conducting portion 2a is performed. There is little loss.

A third embodiment of this invention is shown in FIG. That is, according to the second embodiment, in this production lighting device, the bottom surface 1 of the fiber insertion concave portion 11 is provided in the pyramidal convex portion 22 of the bright spot member 2.
The bottom surface 11a is deep so that 1a can enter. H is the concavity 1 for inserting the fiber from the bottom of the conical protrusion 22.
1 is the distance to the bottom surface 11a. In addition, the contact portion 24 of the bright spot member 2 that contacts the plate material 1 has a large diameter and the collar 2
Forming 5 enhances safety.

In the case of this embodiment, since the light emitted from the one end 12 of the optical fiber groups 3 to 5 is emitted only from the end face, the light can be transmitted more without loss than in the case of FIG. 4, and the light transmission efficiency is good.

[Effect of device]

In the production lighting device according to claim (1), when each of the light source devices is individually turned on, a production effect obtained by the control of the light control means of each light source device is obtained, so that several types of pattern production are possible.

In the production lighting device of claim (2), the bright spot projection is provided on the top of the conical convex portion, and the maximum width of the conical convex portion is larger than the maximum width of the fiber insertion concave portion. There is little light transmission loss in the point member.

[Brief description of drawings]

FIG. 1 is a partially enlarged explanatory view of the first embodiment of the present invention, FIG. 2 is an enlarged sectional view of the bright spot member, and FIG. 3 is an explanatory diagram of the bright spot member for explaining the transmission of the light, 4 is a sectional view of the bright spot member of the second embodiment, FIG. 5 is a sectional view of the bright spot member of the third embodiment, FIG. 6 is an explanatory view of a conventional example, FIGS.
The figure is an explanatory view for explaining the pattern of the bright spots on the plate material. 1 ... Plate material, 2 ... Bright spot member, 3-5 ... Optical fiber,
6 to 8 ... Light source device, 9 ... Through hole, 10 ... Bright spot projection, 11 ... Fiber insertion recess, 12 ... One end, 1
3 ... Focusing unit, 14 ... Light emitting unit, 15 ... Light control means

Claims (2)

[Scope of utility model registration request] 1. A fiber material having a plate material having a large number of through holes, a bright spot projection penetrating from the back side of the plate material to the through hole, and a fiber insertion concave portion into which a plurality of fibers can be inserted. A large number of transparent bright spot members having an optical conduction portion between the insertion recess and the bright spot projection, and one end is inserted into each of the fiber insertion recesses and the other end is bundled and focused. A plurality of sets of optical fiber groups, and a light emitting unit for entering the focusing portions of these optical fiber groups, and a light control means for controlling the light entering the end face of each optical fiber of the focusing portion. And a plurality of light source devices each having the light emitting section. 2. The fiber insertion concave portion and the bright spot projection of the bright spot member are coaxially provided at both ends of the bright spot member, and the bright spot projection is a top of a conical convex portion. 2. The effect lighting device according to claim 1, wherein the cone-shaped convex portion has a maximum width larger than a maximum width of the fiber insertion concave portion.