JP5246129B2 - Lighting device - Google Patents

Description

  The present invention relates to a lighting device used in a television studio, a photo studio, a stage, and the like.

  For example, Patent Document 1 proposes an illumination device that projects light based on light emission of a light source accommodated in a housing.

JP 2007-59220 A

  By the way, in such an illuminating device, the light projection range from a light source cannot be adjusted by manual operation, and it is difficult to diversify lighting effects.

  The present invention has been made in view of the above-described points, and an object of the present invention is to significantly reduce the amount of heat generated by light emission of a light source, and to manually operate a reflector plate without causing burns or the like. It is therefore possible to provide a lighting device that can freely adjust the light projection range based on the light emission of the light emitting diodes by raising and lowering the reflector plate, and thus can diversify lighting effects.

  An illumination device of the present invention includes a light source having a light emitting diode, a housing that houses the light source, at least one reflector plate that is housed in the housing and is disposed around the light source, Elevating means for rotatably attaching the reflector plate to the casing so that the reflector plate can be raised is provided.

  According to the illuminating device of the present invention, in particular, the light source includes a light source having a light-emitting diode, and an elevating unit that rotatably attaches the reflector plate to the housing so that the reflector plate can be elevated. The amount of heat generated by light emission from the light source can be remarkably reduced, the reflector plate can be manually operated without causing burns, etc., and the projection range based on the light emission of the light-emitting diode can be freely adjusted by raising the reflector plate Thus, the lighting effects can be diversified.

  In the illuminating device of the present invention, the raising and lowering means includes a shaft body that is rotatably attached to the reflector plate about an axis that extends in one direction, and is integrally connected to the shaft body and is connected to the housing. And another shaft body that is mounted rotatably about another axis that extends in a direction that intersects the direction of the light source. According to such an illuminating device, the reflector plate is centered on the shaft body. In addition to being able to be lifted, it can also be lifted around other shafts, thus further diversifying lighting effects.

  In the lighting device of the present invention, the housing is defined by a rear wall to which the light source is attached, a peripheral wall connected to the rear wall and extending forward from the rear wall, and a front end portion of the peripheral wall. And the peripheral wall extends from the rear wall toward the projection opening, and the elevation means may have the reflector plate rotatably attached to the rear wall. According to the illuminating device, since the peripheral wall is expanded from the rear wall toward the projection opening, it is possible to expand the range in which the reflector plate can be raised, thus further diversifying the lighting effect. Can be planned.

  According to the present invention, the amount of heat generated by light emission from the light source can be remarkably reduced, the reflector plate can be manually operated without causing burns, and the like based on the light emission of the light emitting diode by raising the reflector plate. It is possible to provide an illuminating device that can freely adjust the light projecting range and can diversify the lighting effects.

It is a perspective explanatory view of an example of an embodiment of the invention. FIG. 2 is an explanatory plan view sectional view of the example shown in FIG. 1. It is front view explanatory drawing of the example shown in FIG. It is a partially expanded explanatory view of the example shown in FIG. It is operation | movement explanatory drawing of the example shown in FIG.

  Next, the present invention will be described in more detail based on an example of a preferred embodiment shown in the drawings. The present invention is not limited to these examples.

  1 to 5, the illumination device 1 of this example includes a light source 3 having a light emitting diode 2, a housing 4 that houses the light source 3, and a housing 4 that is housed in the periphery of the light source 3. And at least one reflector plate 5 and 5a in this example, and a raising and lowering means for rotatably attaching the reflector plate 5 and 5a to the housing 4 so that the reflector plates 5 and 5a can be raised and lowered. 6, and a power supply device 11 and a heat radiating plate 12 attached to the housing 4.

  For example, as shown in FIG. 3, the light source 3 includes a plurality of light emitting diodes 2 arranged in a line, and the plurality of light emitting diodes 2 are electrically connected to each other. Each of the plurality of light emitting diodes 2 has a planar light emitting surface 15 exposed at the front surface. The light emission control of the plurality of light emitting diodes 2 is performed by control of the current supplied to them, for example, PWM control, and thereby the respective light amounts of the light source 3 can be adjusted quickly and gradually smoothly. The power consumption of each of the plurality of light emitting diodes 2 is about 1W to 2W. The light source 3 may be formed so that the total power consumption of the plurality of light emitting diodes 2 is about 10 W, for example. There are no particular limitations on the color of light emitted from the plurality of light emitting diodes 2, and it may be white, red, green, blue, or the like, for example. The light source 3 may have a plurality of light emitting diodes 2 arranged in a line, and each of the plurality of light emitting diodes 2 emits the same color such as white. However, it is also possible to emit different colors, for example, each row of a plurality of light emitting diodes 3 in three rows emits red, green and blue as different colors. In some cases, by appropriately adjusting these light amounts, additive color mixing that mixes the three primary colors of red, green, and blue can be performed quickly and gradually.

  For example, as shown in FIGS. 1 to 3, the housing 4 is connected to the rear wall 21 to which the light source 3 is attached, and is connected to the rear wall 21 and extends in the X direction from the rear wall 21 toward the front. A peripheral wall 22 and a light projecting opening 24 defined at the front end 23 of the peripheral wall are provided. The inner surface of the housing 4 is a mirror surface 25.

  The light source 3 is attached to the inner surface of the rear wall 21, and the power supply device 11 is attached to the outer surface of the rear wall 21. The light source 3 is electrically connected to the power supply device 11. The inner surface of the rear wall 21 has a mirror surface 25. The rear wall 21 has a rectangular shape when viewed from the front.

  The peripheral wall 22 is connected to the peripheral edge of the rear wall 21 at the rear end. The peripheral wall 22 includes an upper wall 28, a lower wall 29, and a pair of side walls 30 and 30 a connecting the edge portions extending forward from the rear wall 21 of the upper wall 28 and the lower wall 29. doing. The upper wall 28 and the lower wall 29 have a mirror surface 25. In this example, the peripheral wall 22 extends from the rear wall 21 toward the projection opening 24. The side walls 30 and 30a are inclined outward so as to gradually separate from each other in the Y direction orthogonal to the X direction as they go from the rear wall 21 to the light projection opening 24. The projection opening 24 is formed in a rectangular shape when viewed from the front.

  For example, as shown in FIGS. 2 and 3, the reflector plates 5 and 5 a are arranged so as to partition the inside of the housing 4, and the reflector plate 5 is arranged on the side wall 30 side with respect to the light source 3. The reflecting mirror plate 5 a is disposed on the side wall 30 a side with respect to the light source 3. The reflecting surface located on the light source 3 side of each of the reflecting mirror plates 5 and 5 a is a mirror surface 25. The reflecting mirror plates 5 and 5a are each rectangular. In this example, the reflecting mirror plates 5 and 5a are formed in the same manner.

  For example, as shown in FIG. 4, the elevating means 6 is integrally connected to the shaft body 35 and a shaft body 35 that is mounted on the reflector plate 5 so as to be rotatable in the R1 direction about the axis center extending in the X direction. And a shaft body 36 rotatably mounted in the R2 direction around the other axis center extending in the Z direction perpendicular to the X direction and the Y direction in this example. doing. Further, the uplifting means 6 is integrally connected to the shaft body 35a, and is attached to the housing 4 while being integrally connected to the shaft body 35a. The shaft body 36a is mounted so as to be rotatable in the R2 direction around another axis extending in the direction crossing the X direction, in this example, the Z direction orthogonal to the X direction and the Y direction.

  An end portion located on the rear wall 21 side of the shaft body 36 is integrally connected to a central portion located between both end portions of the shaft body 35. The shaft bodies 35 and 36 form one T-shaped member as shown in FIG. The shaft body 35 is rotatably attached to the surface on the side wall 30 side of the reflector plate 5 via an attachment member 39. A part of the shaft body 36 located on one side with respect to the shaft body 35 in the Z direction is attached to a part between the light source 3 and the side wall 30 of the rear wall 21 via the attachment member 40 so as to be rotatable in the R2 direction. . A part of the shaft body 36 located on the other side with respect to the shaft body 35 in the Z direction is attached to a part between the light source 3 and the side wall 30 of the rear wall 21 via the attachment member 41 so as to be rotatable in the R2 direction. .

  An end portion located on the rear wall 21 side of the shaft body 36a is integrally connected to a central portion located between both end portions of the shaft body 35a. The shaft bodies 35a and 36a form one T-shaped member. The shaft body 35a is rotatably attached to the surface on the side wall 30a side of the reflector plate 5a via the attachment member 39a. A portion of the shaft body 36a located on one side with respect to the shaft body 35a in the Z direction is rotatably attached to the portion between the light source 3 and the side wall 30a of the rear wall 21 via the attachment member 40a in the R2 direction. . The part of the shaft body 36a located on the other side with respect to the shaft body 35a in the Z direction is attached to the part between the light source 3 and the side wall 30a of the rear wall 21 via the attachment member 41a so as to be rotatable in the R2 direction. .

  A plurality of the heat radiating plates 12 are provided at portions of the side walls 30 and 30a on the rear wall 21 side, and the plurality of the heat radiating plates 12 extend radially in this example.

  When adjusting the light projection range by the illuminating device 1 described above, for example, as shown in FIG. 5, the shaft bodies 35 and 36 are caused to rotate in the R1 direction and the R2 direction by manual operation of the reflector plate 5, The reflector plate 5 is raised and lowered in the R1 direction and the R2 direction, and the shaft members 35a and 36a are rotated in the R1 direction and the R2 direction by manual operation of the reflector plate 5a, so that the reflector plate 5a is moved in the R1 direction and the R2 direction. Do by raising.

  According to the illuminating device 1 of this example, the light source 3 having the light emitting diode 2, the housing 4 housing the light source 3, and at least the housing 4 accommodated and disposed around the light source 3. One, in this example, includes two reflecting mirror plates 5 and 5a, and an elevation means 6 that rotatably attaches the reflecting mirror plates 5 and 5a to the housing 4 so that the reflecting mirror plates 5 and 5a can be raised and lowered. Therefore, the amount of heat generated by light emission from the light source 3 can be remarkably reduced, the reflector plates 5 and 5a can be manually operated without causing burns, and the reflector plates 5 and 5a can be lifted. The light projection range based on the light emission of the light emitting diode 2 can be freely adjusted, thus diversifying the lighting effect.

  According to the illuminating device 1, the elevation means 6 is integrally connected to the shaft bodies 35 and 35 a, which are rotatably mounted around the axis center extending in the X direction on the reflector plates 5 and 5 a, and the shaft bodies 35 and 35 a. And the shaft bodies 36 and 36a mounted on the housing 4 so as to be rotatable about other axes extending in the Z direction intersecting the X direction. The shaft bodies 35 and 35a can be lifted in the R1 direction, and the shaft bodies 36 and 36a can be lifted in the R2 direction, so that the lighting effect can be further diversified. .

  According to the illuminating device 1, the housing 4 includes a rear wall 21 to which the light source 3 is attached, a peripheral wall 22 connected to the rear wall 21 and extending forward from the rear wall 21, and the peripheral wall 22. A light projecting opening 24 defined at the front end 23, the peripheral wall 22 extends from the rear wall 21 toward the light projecting opening 24, and the elevation means 6 includes the reflector plate 5 and Since 5a is rotatably attached to the rear wall 21, it is possible to expand the range in which the reflecting mirror plates 5 and 5a can be raised and thus further diversify the lighting effect.

DESCRIPTION OF SYMBOLS 1 Illuminating device 2 Light emitting diode 3 Light source 4 Case 5, 5a Reflecting mirror board 6 Lifting means 35, 35a, 36, 36a Shaft

Claims (2)

A light source having a light emitting diode, a housing that houses the light source, at least one reflector plate that is housed in the housing and disposed around the light source, and the reflector plate can be raised and lowered. And a lifting / lowering means for rotatably attaching the reflector plate to the housing, and the housing is connected to the rear wall to which the light source is attached, and is connected to the rear wall and forward from the rear wall. A peripheral wall extending toward the light projecting opening defined at the front end of the peripheral wall. The peripheral wall extends from the rear wall toward the light projecting opening. An illuminating device with a mirror plate attached to the rear wall .   The elevating means is a shaft body that is mounted on the reflector plate so as to be rotatable about an axis extending in one direction, and is connected to the shaft body in a direction that intersects the housing in one direction. The lighting device according to claim 1, further comprising: another shaft body that is rotatably mounted around another extending shaft center.

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