WO2016138766A1 - 一种便于散热的舞台灯 - Google Patents

一种便于散热的舞台灯 Download PDF

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Publication number
WO2016138766A1
WO2016138766A1 PCT/CN2015/092705 CN2015092705W WO2016138766A1 WO 2016138766 A1 WO2016138766 A1 WO 2016138766A1 CN 2015092705 W CN2015092705 W CN 2015092705W WO 2016138766 A1 WO2016138766 A1 WO 2016138766A1
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WIPO (PCT)
Prior art keywords
heat insulating
insulating sheet
heat
stage lamp
light
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PCT/CN2015/092705
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English (en)
French (fr)
Inventor
蒋伟楷
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广州市浩洋电子有限公司
蒋伟楷
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Publication of WO2016138766A1 publication Critical patent/WO2016138766A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Definitions

  • the invention belongs to the field of stage lamp technology, and more particularly relates to a stage lamp for facilitating heat dissipation.
  • a beam lamp is a kind of reflective spotlight in a stage lamp that reflects light by a mirror to form a beam effect. Compared with other lamps, the brightness is higher, the light quality is harder, the beam is stronger, and the range is longer.
  • the light from the light source passes through the ellipsoid mirror behind the light source (Ellipsoidal Reflector) reflects a strong beam of light and is directed at the target area. Its projection range and light intensity are adjustable. It is especially suitable for long-distance illumination of large performing arts venues or as an actor's face light.
  • the beam lamp pursues high efficiency, and collects as much light as possible after being reflected by the mirror, resulting in high concentration of the beam energy, resulting in higher temperature, which causes damage to the components of the subsequent optical path design, which is not conducive to the design of the subsequent optical path. Therefore, how to control the temperature of the stage lamp becomes one of the points involved in the stage lamp, such as the angled dyeing system for the illumination lamp disclosed in Chinese Patent No. CN102261612, which bends the CMY piece by an angle to make the CMY piece reflect The returning light no longer illuminates or only a small amount of light hits the thimble of the bulb, thereby stabilizing the temperature of the thimble without overheating it to protect the bulb. However, it still cannot solve the reflected light.
  • Chinese Patent No. CN102954439 discloses a luminaire, although the luminaire discloses that a glass heat insulating sheet is installed inside the luminaire, and the glass heat insulating sheet is disposed between the axis of the bulb and the bulb. A certain angle, to avoid some of the reflected light directly reflected back to the point where the bulb is located, in order to reduce the temperature inside the lamp, however, the light reflected by the filter tends to converge (focus) on the heat shield at a certain point, resulting in The local heat of the heat shield is too high and damaged.
  • the present invention provides a stage light that facilitates heat dissipation in order to overcome at least one of the above-mentioned drawbacks (deficiencies) of the prior art.
  • a stage lamp for facilitating heat dissipation comprising a light source, a reflector, a heat shield and a filter, the light source being located in a reflector, the filter being located on an upper side of the reflector, the heat insulation sheet being located at the reflection
  • the heat insulating sheet comprises a heat insulating sheet, and the heat insulating sheet is provided with a hole, and the hole is located at a gathering of light reflected by the filter of the stage lamp. Point.
  • the photothermal reaction causes the internal temperature of the stage lamp to rise
  • the heat insulating sheet further includes the heat insulating sheet 2
  • the heat insulating sheet 2 and the heat insulating sheet are disposed along a beam direction, and the heat insulating sheet 2 blocks the hole, and a gap exists between the heat insulating sheet 2 and the heat insulating sheet 1.
  • the heat insulating sheet is disposed obliquely with respect to a plane perpendicular to a main beam of the stage light, and the heat insulating sheet 2 and the heat insulating sheet are disposed in parallel with each other.
  • the heat insulating sheet 2 is located above or below the heat insulating sheet 1, and the distance between the heat insulating sheet 2 and the heat insulating sheet 1 is 2 mm to 15 mm.
  • the heat insulating sheet is composed of a first heat insulating sheet unit and a second heat insulating sheet unit, and the first heat insulating sheet unit and the second heat insulating sheet unit are disposed obliquely with respect to each other, so that The heat insulating sheet has a V-shape having an included angle; the hole is located on the first heat insulating sheet unit and/or the second heat insulating sheet unit.
  • the first heat insulating sheet unit or the second heat insulating sheet unit is composed of two half-piece units, each of which has a notch, and the two half-piece units are relatively spliced. Forming the pores.
  • the first heat insulating sheet unit and the second heat insulating sheet unit are respectively provided with notches, and the notches are relatively spliced to form the holes.
  • the heat insulating sheet 2 has a V-shape having an angle, and the V-shaped sides of the heat insulating sheet 2 and the V-shaped sides of the heat insulating sheet are respectively parallel.
  • the first fixing frame and the second fixing frame are further disposed, and the first fixing frame is provided with a V-shaped fixing surface matched with the heat insulating sheet, and the heat insulating sheet is fixed in the V shape.
  • the heat insulating sheet 2 is fixed on the second fixing frame, and the first fixing frame is connected to the second fixing frame.
  • the filter is disposed obliquely with respect to a plane perpendicular to the main beam of the stage light.
  • the reflected light is prevented from concentrating on the heat insulating sheet, thereby effectively avoiding a part of the heat insulating sheet. It is overheated and damaged, and the infrared light reflected from the through hole can be further absorbed by the heat insulating sheet 2, which can not only lower the temperature of the light source inside the reflector, but also make the temperature of the subsequent optical path components (such as the filter) not be overheated. High and damaged.
  • FIG. 1 is a schematic diagram of the working principle of a stage lamp for facilitating heat dissipation.
  • FIG. 2 is a schematic view showing the assembly structure of a stage lamp for facilitating heat dissipation.
  • Figure 3 is an exploded view of the assembly of a stage light that facilitates heat dissipation.
  • FIG. 4 is a schematic view showing the assembly structure of the heat insulating sheet unit of the second embodiment.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 6 is a schematic view showing the structure of the heat insulating sheet of the third embodiment.
  • Figure 7 is a schematic view showing the structure of the heat insulating sheet of the fourth embodiment.
  • a stage light for facilitating heat dissipation includes a light source 7, a reflector 1, a heat insulating sheet and a filter 8, a first fixing frame 5 and a second fixing frame 4, and the heat insulating sheet includes a partition.
  • the reflector 1 is fixed under the second fixing frame 4, and the first fixing frame 5 is fixedly connected with the second fixing frame 4; the heat insulating sheet 2 and the heat insulating sheet 2 are arranged along the beam direction.
  • the heat insulating sheet 2 is located above or below the heat insulating sheet 2, the heat insulating sheet 2 and the heat insulating sheet 2 are parallel to each other, and the heat insulating sheet 2 and the heat insulating sheet 2 are between 2 and 15 mm.
  • the heat insulating sheet 2 is inclined with respect to a plane perpendicular to the main beam of the stage light (the heat insulating sheet 2 may also be horizontally disposed), and the heat insulating sheet 2 is provided with a hole 3, the hole 3 It may be a V-shaped, circular, square or other shaped aperture, which in this embodiment is preferably a preferably V-shaped aperture, the aperture 3 being located at a point of convergence of light reflected by the filter 8 of the stage light;
  • the sheet 2 6 blocks the hole 3;
  • the heat insulating sheet 2 is composed of a first heat insulating sheet unit 21 and a second heat insulating sheet unit 22, and the first heat insulating sheet unit 21 is opposite to the second heat insulating sheet unit 22 Tilted to each other such that the heat insulating sheet 2 has a V-shape with an angle;
  • the hole 3 is located on the first heat insulating sheet unit 21 or the second heat insulating sheet unit 22;
  • the first fixing frame 5 is provided There is a V
  • the working process is as follows: as shown in FIG. 1, when the light emitted by the light source 7 is reflected by the reflector 1, it is directed to the filter (CMY chip) 8, wherein the light of the light complementary to the filter 8 is reflected back.
  • the reflected light is partially irradiated onto the heat insulating sheet 2, and the partially reflected light is concentrated (focused) at a certain point on the heat insulating sheet to form a convergence point, since the convergence point is provided with a hole 3 Therefore, the concentrated light will pass through the hole 3, thereby avoiding the intense photothermal reaction of the convergence point on the heat insulating sheet 2, causing the heat insulating sheet 2 to be partially overheated and damaged; the light forming the convergence point passes through the hole 3. After the diffusion, the convergence point disappears, and the light is scattered and irradiated onto the heat insulating sheet 2 to be absorbed, thereby further achieving the temperature control effect.
  • the first heat insulating sheet unit 21 or the second heat insulating sheet unit 22 is formed by splicing two half-piece units 211 and 212, and each half-chip unit A notch 213 is provided on both sides, and the notches 213 of the two half-piece units 211, 212 are relatively spliced to form the holes 3.
  • the embodiment is similar to the first embodiment. Further, as shown in FIG. 6, the first heat insulating sheet unit 21 and the second heat insulating sheet unit 22 are respectively provided with notches 31 and 32, and the notches 31 and 32 are respectively provided.
  • the holes 3 are formed by splicing, and the heat insulating sheet 2 has a V-shape with an angle.
  • the V-shaped sides of the heat insulating sheet 6 and the V-shaped heat insulating sheet 2 are respectively Parallel to both sides.
  • This embodiment is similar to the first embodiment, except that, as shown in FIG. 7, the heat insulating sheet 2 and the heat insulating sheet 6 are both planar sheet-like structures. Accordingly, those skilled in the art can understand that The fixing surface of the first fixing frame 5 matched with the heat insulating sheet 2 in the embodiment also adopts a planar structure which is matched with the heat insulating sheet 2.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种便于散热的舞台灯，包括光源（7）、反射器（1）、隔热片和滤光片（8），光源（7）位于反射器（1）内，滤光片（8）位于反射器（1）上侧，隔热片位于反射器（1）和滤光片（8）之间，隔热片包括隔热片一（2），隔热片一（2）上设有孔（3），孔（3）位于被舞台灯的滤光片（8）反射的光线的汇聚点处。通过在隔热片一（2）上设置对应被舞台灯的滤光片（8）反射的光线的汇聚点的位置设置孔（3）的方式，避免反射光线的汇聚点位于隔热片一（2）上，从而有效避免了隔热片一（2）局部过热而损坏。

Description

一种便于散热的舞台灯
技术领域
本发明属于舞台灯技术领域，更具体的涉及一种便于散热的舞台灯。
背景技术
光束灯是舞台灯中的一种通过反射镜对光线进行反射而形成光束效果的反射式聚光灯，相对其他灯来说，其亮度更高，光质更硬，光束感更强，射程更远。光源发出的光线经光源后方的椭球反射镜(Ellipsoidal Reflector)反射，形成强烈的光束，投向目标区域，其投射范围和光线强度可调，特别适于大型演艺场所的远距离照明或作为演员的面光。光束灯追求高效率，经反射镜反射后聚集尽可能多的光线，导致光束能量高度集中，产生较高温度，对后续光路设计的元器件造成损坏，不利于后续光路的设计。因此如何控制舞台灯的温度成为舞台灯涉及的要点之一，例如中国专利CN102261612公开的用于照明灯的带夹角的染色系统，该专利通过将CMY片弯折一角度，使经过CMY片反射回来的光线不再照射到或只有少量光线照射到灯泡的顶针上，从而稳定了顶针的温度而不会使其温度过高，以达到保护灯泡的目的，然而其依旧无法解决反射回来的光线进入灯泡内部，导致灯泡内部温度过高的问题；另外，中国专利CN102954439公开了一种灯具，虽然该灯具公开了在灯具内部安装玻璃隔热片，并将玻璃隔热片与灯泡的轴线之间设置一定角度，避免部分反射光线直接反射回灯泡所在点，以降低灯具内的温度的技术措施，然而，经滤光片反射回来的光线往往会汇聚（聚焦）在隔热片一某点上，造成隔热片局部能量过高而损坏。
发明内容
本发明为克服上述现有技术所述的至少一种缺陷（不足），提供一种便于散热的舞台灯。
为解决上述技术问题，本发明的技术方案如下：
一种便于散热的舞台灯，包括光源、反射器、隔热片和滤光片，所述光源位于反射器内，所述滤光片位于反射器上侧，所述隔热片位于所述反射器和滤光片之间，其特征在于：所述隔热片包括隔热片一，所述隔热片一上设有孔，所述孔位于被舞台灯的滤光片反射的光线的汇聚点处。
进一步的，为避免被舞台灯的滤光片反射的光线通过隔热片一上的孔进入舞台灯内部引起光热反应造成舞台灯内部温度升高，所述隔热片还包括隔热片二，所述隔热片二和隔热片一沿光束方向设置，所述隔热片二遮挡所述孔，且隔热片二与隔热片一之间存在间距。
进一步的，作为本发明的优选，所述隔热片一相对于垂直于舞台灯主光束的平面倾斜设置，且所述隔热片二和隔热片一相互平行设置。作为优选，所述隔热片二位于隔热片一的上方或下方，且隔热片二与隔热片一之间的间距为2mm～15mm。
进一步的，作为本发明的优选，所述隔热片一由第一隔热片单元与第二隔热片单元构成，第一隔热片单元与第二隔热片单元相对彼此倾斜设置，使得隔热片一呈具有夹角的V字状；所述孔位于第一隔热片单元和/或第二隔热片单元上。
进一步的，作为本发明的优选，所述第一隔热片单元或第二隔热片单元由两个半片单元拼接构成，每个半片单元上均设有缺口，两个半片单元的缺口相对拼接，形成所述的孔。
进一步的，作为本发明的优选，所述第一隔热片单元和第二隔热片单元上分别设有缺口，所述缺口相对拼接，形成所述的孔。
进一步的，作为本发明的优选，所述隔热片二呈具有夹角的V字状，所述隔热片二的V字状的两侧分别与隔热片一的V字状的两侧平行。
进一步的，作为本发明的优选，还包括第一固定架和第二固定架，所述第一固定架上设有与隔热片一匹配的V形固定面，隔热片一固定在V形固定面上，隔热片二固定在第二固定架上，第一固定架与第二固定架连接。
进一步的，作为本发明的优选，所述滤光片相对于垂直于舞台灯主光束的平面倾斜设置。
与现有技术相比，本发明技术方案的有益效果是：
通过在隔热片一上设置对应被舞台灯的滤光片反射的光线的汇聚点的位置设置孔的方式，避免反射的光线汇聚在隔热片一上，从而有效避免了隔热片一局部过热而损坏，而且通过隔热片二还可以进一步吸收透过孔反射回来的红外光，不但可以降低反射器内部光源的温度，而且可使得后续光路元器件（如滤光片）温度不致于过高而损坏。
附图说明
图1为便于散热的舞台灯的工作原理示意图。
图2为便于散热的舞台灯的装配结构示意图。
图3为便于散热的舞台灯的装配爆炸图。
图4为实施例二隔热片单元的组装结构示意图。
图5为图2中沿A-A线的剖视图。
图6为实施例三的隔热片结构示意图。
图7为实施例四的隔热片结构示意图。
附图仅用于示例性说明，不能理解为对本专利的限制；为了更好说明本实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的；相同或相似的标号对应相同或相似的部件；附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制。
具体实施方式
下面结合附图和实施例对本发明的技术方案做进一步的说明。
实施例一
如图1-3所示，一种便于散热的舞台灯，包括光源7、反射器1、隔热片和滤光片8、第一固定架5和第二固定架4，隔热片包括隔热片一2、隔热片二6，所述光源7位于反射器1内，所述滤光片8位于反射器1上侧，所述隔热片位于所述反射器1和滤光片8之间，所述反射器1固定在第二固定架4下方，所述第一固定架5与第二固定架4固定连接；所述隔热片一2和隔热片二6沿光束方向设置，隔热片二6位于隔热片一2的上方或下方，隔热片二6和隔热片一2相互平行，且隔热片二6与隔热片一2之间存在2～15mm的间隙；所述隔热片一2相对于垂直于舞台灯主光束的平面倾斜设置（隔热片一2也可以是水平设置的），且隔热片一2上设有孔3，该孔3可以为V形、圆形、方形或其它形状的孔，本实施例将其优选为优选为V形孔，所述孔3位于被舞台灯的滤光片8反射的光线的汇聚点；所述隔热片二6遮挡所述孔3；所述隔热片一2由第一隔热片单元21与第二隔热片单元22构成，第一隔热片单元21与第二隔热片单元22相对彼此倾斜设置，使得隔热片一2呈具有夹角的V字状；所述孔3位于第一隔热片单元21或第二隔热片单元22上；所述第一固定架5上设有与隔热片一2匹配的V形固定面，隔热片一2固定在V形固定面上，隔热片二6固定在第二固定架4上。
其工作过程为：如图1所示，当光源7发出的光经反射器1反射后射向滤光片（CMY片）8，其中光线中与滤光片8呈互补色的光线被反射回来，被反射回来的光线部分照射到隔热片一2上被吸收，部分被反射回来的光线会汇聚（聚焦）在隔热片一某点上聚焦形成汇聚点，由于汇聚点处设有孔3，故而汇聚的光线会透过孔3，从而避免了汇聚点在隔热片一2上发生剧烈的光热反应，导致隔热片一2局部过热而损坏；形成汇聚点的光线穿过孔3后扩散，致使汇聚点消失，光线分散照射到隔热片二6上被吸收，从而进一步达到控温效果。
实施例二
本实施例类似于实施例一，进一步的，如图5所示，所述第一隔热片单元21或第二隔热片单元22由两个半片单元211、212拼接构成，每个半片单元上均设有缺口213，两个半片单元211、212的缺口213相对拼接，形成所述的孔3。
实施例三
本实施例类似于实施例一，进一步的，如图6所示，所述第一隔热片单元21和第二隔热片单元22上分别设有缺口31、32，所述缺口31、32相对拼接，形成所述的孔3；隔热片二6呈具有夹角的V字状，所述隔热片二6的V字状的两侧分别与隔热片一2的V字状的两侧平行。
实施例四
本实施例类似于实施例一，其区别在于，如图7所示，隔热片一2和隔热片二6均为平面片状结构,相应的,本领域技术人员可以理解的是，该实施例所采用的第一固定架5上与隔热片一2相匹配的固定面也采用与隔热片一2相吻合的平面状结构。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种便于散热的舞台灯，包括光源（7）、反射器（1）、隔热片和滤光片（8），所述光源（7）位于反射器（1）内，所述滤光片（8）位于反射器（1）上侧，所述隔热片位于所述反射器（1）和滤光片（8）之间，其特征在于：所述隔热片包括隔热片一（2），所述隔热片一（2）上设有孔（3），所述孔（3）位于被舞台灯的滤光片（8）反射的光线的汇聚点处。
  2. 根据权利要求1所述的便于散热的舞台灯，其特征在于：所述隔热片还包括隔热片二（6），所述隔热片二（6）和隔热片一（2）沿光束方向设置，所述隔热片二（6）遮挡所述孔（3），且隔热片二（6）与隔热片一（2）之间存在间距。
  3. 根据权利要求2所述的便于散热的舞台灯，其特征在于：所述隔热片一（2）相对于垂直于舞台灯主光束的平面倾斜设置，且所述隔热片二（6）和隔热片一（2）相互平行设置。
  4. 根据权利要求2所述的便于散热的舞台灯，其特征在于：所述隔热片二（6）位于隔热片一（2）的上方或下方，且隔热片二（6）与隔热片一（2）之间的间距为2mm～15mm。
  5. 根据权利要求1-4所述的便于散热的舞台灯，其特征在于：所述隔热片一（2）由第一隔热片单元（21）与第二隔热片单元（22）构成，第一隔热片单元（21）与第二隔热片单元（22）相对彼此倾斜设置，使得隔热片一（2）呈具有夹角的V字状；所述孔（3）位于第一隔热片单元（21）和/或第二隔热片单元（22）上。
  6. 根据权利要求5所述的便于散热的舞台灯，其特征在于：所述第一隔热片单元（21）或第二隔热片单元（22）由两个半片单元（211、212）拼接构成，每个半片单元上均设有缺口（213），两个半片单元（211、212）的缺口（213）相对拼接形成所述的孔（3）。
  7. 根据权利要求5所述的便于散热的舞台灯，其特征在于：所述第一隔热片单元（21）和第二隔热片单元（22）上分别设有缺口（31、32），所述缺口（31、32）相对拼接形成所述的孔（3）。
  8. 根据权利要求7所述的便于散热的舞台灯，其特征在于：所述隔热片二（6）呈具有夹角的V字状，所述隔热片二（6）的V字状的两侧分别与隔热片一（2）的V字状的两侧平行。
  9. 根据权利要求5-8所述的便于散热的舞台灯，其特征在于：还包括第一固定架（5）和第二固定架（4），所述第一固定架（5）上设有与隔热片一（2）匹配的V形固定面，隔热片一（2）固定在V形固定面上，隔热片二（6）固定在第二固定架（4）上，第一固定架（5）与第二固定架（4）连接。
  10. 根据权利要求1所述的便于散热的舞台灯，其特征在于：所述滤光片（8）相对于垂直于舞台灯主光束的平面倾斜设置。
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CN104930382B (zh) * 2015-06-26 2017-06-13 广州市珠江灯光科技有限公司 灯泡过热保护结构及舞台灯具
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