WO2022121195A1 - 投影灯 - Google Patents
投影灯 Download PDFInfo
- Publication number
- WO2022121195A1 WO2022121195A1 PCT/CN2021/086407 CN2021086407W WO2022121195A1 WO 2022121195 A1 WO2022121195 A1 WO 2022121195A1 CN 2021086407 W CN2021086407 W CN 2021086407W WO 2022121195 A1 WO2022121195 A1 WO 2022121195A1
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- WO
- WIPO (PCT)
- Prior art keywords
- projection
- module
- film
- light source
- grating
- Prior art date
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- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000002301 combined effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
Definitions
- the present invention relates to the technical field of projection lamps, in particular to a projection lamp.
- Existing projection lamps mostly use a single light source to realize projection and playback, such as laser projection lamps, which use laser projection through a grating for projection, and can use a set of fixed images to simulate a scene.
- laser projection lamps which use laser projection through a grating for projection
- Ordinary projection projects and uses transparencies or computer images, but cannot achieve the transformation effect of light and projection content.
- the existing projection lamps project only pictures, without music rendering or commentary dubbing, etc., and the effect is single.
- the present invention provides a projection lamp, which aims to solve the problems of single projection picture and monotonous effect in the existing projection lamps.
- the present invention provides a projection lamp comprising a first projection assembly, a second projection assembly and an audio assembly, the first projection assembly is used for projecting a grating sheet, and the second projection assembly is used for For the transparencies, the projection area of the first projection component coincides with the projection area of the second projection component to realize composite projection; the audio component is used to play audio according to the film; the first projection component includes a first projection component.
- a light source module, a grating module and a driving module the first light source module is used to emit laser light, the laser light passes through the grating module to realize grating projection, and the driving module drives the grating module to rotate to achieve different projection effects
- the second projection assembly comprises a second light source module, a film module and an optical lens module, the second light source module is used for emitting projection light, and the projection light passes through the film module and the optical lens module to realize film projection;
- the audio component includes a control module and a speaker connected with the control module, and the control module is connected with the film module to read the film code and obtain the audio file corresponding to the film for audio playback.
- the first light source module includes a laser emitting lamp and a laser radiator, and the laser radiator is attached to the laser emitting lamp to achieve heat dissipation and cooling.
- the grating module includes a rotating grating and a grating sheet, and the grating sheet is arranged at a projection port of the rotating grating to realize grating projection.
- the driving module includes a first driving motor, and the first driving motor is connected with the rotating grating to drive the rotating grating to rotate.
- the second light source module includes a light source emitting lamp and a light source radiator, and the light source radiator is attached to the light source emitting lamp to realize heat dissipation and cooling.
- the light source emission lamp is a white light lamp.
- the film module includes a film changer and a second driving motor, the second driving motor drives the film changer to rotate, and the film changer is used for changing films to realize film projection.
- the optical lens module includes a combined optical lens and a condensing convex lens
- the combined optical lens is provided on the side of the film changer away from the light source
- the condensing convex lens is provided on the side of the film changer close to the light source. side.
- the projection lamp further includes a screen, and the screen is arranged at a position where the projection area of the first projection assembly coincides with the projection area of the second projection assembly to realize projection playback.
- control module further includes a communication unit, the communication unit is in communication connection with a cloud database to obtain the audio file corresponding to the film from the cloud database.
- the projection lamp provided by the present invention realizes the combined effect of projection by combining the two projection lamps, and at the same time realizes the dynamic effect by replacing the lenticular sheet and the film, and driving the lenticular sheet and the film to rotate. Play the corresponding audio, the user experience is good.
- FIG. 1 is a schematic diagram of an exploded structure of a projection lamp provided by an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a rotary grating and a first drive motor in FIG. 1;
- FIG. 3 is a schematic structural diagram of the control module in FIG. 1 .
- first projection assembly 11, first light source module; 111, laser emitting lamp; 112, laser radiator; 12, grating module; 121, rotating grating; 122, grating sheet; 1211, projection port; 1212 , grating mirror barrel; 1213, second gear; 13, drive module; 131, first drive motor; 1311, drive motor body; 1312, first gear; 20, second projection assembly; 21, second light source module; 22 , film module; 23, optical lens module; 211, light source emission lamp; 212, light source radiator; 221, film changer; 222, second drive motor; 223, film; 231, combined optical lens; 232, condenser convex lens 30, audio component; 31, control module; 32, speaker; 311, control chip; 312, digital power amplifier; 313, storage medium; 314, communication unit; 315, code reading unit; 316, code parsing unit; 40, curtain.
- a projection lamp provided by an embodiment of the present invention includes a first projection assembly 10, a second projection assembly 20, and an audio assembly 30.
- the first projection assembly 10 is used for projecting a lenticular sheet, and the The second projection assembly 20 is used for projection film, and the projection area of the first projection assembly 10 coincides with the projection area of the second projection assembly 20 to realize composite projection;
- the audio component 30 is used to play audio according to the film
- the first projection assembly 10 includes a first light source module 11, a grating module 12 and a driving module 13, the first light source module 11 is used to emit laser light, and the laser light passes through the grating module 12 to realize grating projection, so
- the driving module 13 drives the grating module 12 to rotate to achieve different projection effects;
- the second projection assembly 20 includes a second light source module 21, a film module 22 and an optical lens module 23, the second light source module 21 is used for A projection light is emitted, and the projection light passes through the film module 22 and the optical lens module 23 to realize film projection;
- the first light source module 11 includes a laser emitting lamp 111 and a laser radiator 112 , and the laser radiator 112 is attached to the laser emitting lamp 111 to achieve heat dissipation and cooling.
- the grating module 12 includes a rotating grating 121 and a grating sheet 122, and the grating sheet 122 is arranged on the projection port 1211 of the rotating grating 121 to realize grating projection.
- the driving module 13 includes a first driving motor 131 , and the first driving motor 131 is connected with the rotating grating 121 to drive the rotating grating 121 to rotate.
- the first drive motor 131 includes a drive motor body 1311 and a first gear 1312.
- the rotary grating 121 includes a grating mirror barrel 1212 and a second gear 1213.
- the first gear 1312 and the second gear 1213 are engaged.
- the driving motor 131 drives the first gear 1312 to rotate, it drives the second gear 1213 to rotate, so as to realize the dynamic projection and playback of the lenticular sheet 122 .
- the lenticular sheet 122 can be replaced, and different grating playing effects can be achieved by replacing the lenticular sheet 122 .
- the second light source module 21 includes a light source emitting lamp 211 and a light source radiator 212.
- the light source radiator 212 is attached to the light source emitting lamp 211 for cooling and cooling.
- the light source emitting lamp 211 is a white light.
- the light source emitting lamp 211 can be of other different colors or types to achieve different projection effects.
- the film module 22 includes a film changer 221 and a second driving motor 222.
- the second driving motor 222 drives the film changer 221 to rotate, and the film changer 221 is used to replace the film 223 to realize film projection.
- the optical lens module 23 includes a combined optical lens 231 and a condensing convex lens 232.
- the combined optical lens 231 is provided on the side of the film changer 221 away from the light source, and the condensing convex lens 232 is provided on the film changer. 221 is on the side close to the light source.
- the projection lamp further includes a screen 40, and the screen 40 is arranged at a position where the projection area of the first projection assembly 10 and the projection area of the second projection assembly 20 coincide to realize projection playback.
- the control module 31 includes a control chip 311, a digital power amplifier 312, a storage medium 313, a communication unit 314, a code reading unit 315 and a code parsing unit 316; the code reading unit 315 performs code sampling of the film 223, There is a gold finger jumper (Gold Finger) with its own coding information on the film.
- the coding information is read by the coding reading unit 315, and then decoded by the coding parsing unit 316, and sent to the control chip 311 for processing.
- the encoding information triggers the communication unit 314 to acquire the audio file corresponding to the encoding information from the cloud database, download the audio file to the local storage medium 313 , and send the audio file to the speaker 32 through the digital power amplifier 312 for playback.
- the projection lamp provided by the present invention realizes the combined effect of projection by combining the two projection lamps, and simultaneously realizes the dynamic effect by replacing the lenticular sheet and the film, and driving the lenticular sheet and the film to rotate, and the production cost is low. , easy to use, and at the same time play the corresponding audio according to the film, the user experience is good.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
一种投影灯,包括第一投影组件(10)、第二投影组件(20)和音频组件(30),第一投影组件(10)用于投影光栅片,第二投影组件(20)用于投影胶片,第一投影组件(10)的投影区域与第二投影组件(20)的投影区域重合以实现合成投影;音频组件(30)用于根据胶片播放音频;第一投影组件(10)包括第一光源模块(11)、光栅模块(12)和驱动模块(13);第二投影组件(20)包括第二光源模块(21)、胶片模块(22)和光学镜头模块(23);音频组件(30)包括控制模块(31)和与控制模块(31)连接的扬声器(32)。投影灯实现动态效果,并且制作成本低,使用简单,同时根据胶片播放对应的音频,用户体验好。
Description
本发明涉及投影灯技术领域,尤其涉及一种投影灯。
现有的投影灯,多采用单一光源实现投影播放,例如激光投影灯,采用激光投射穿过光栅进行投影,能够利用一组固定的画面模拟场景,呈现的场景画面感比较单一,效果单调。普通投影将投影胶片或电脑画面进行投影,使用,但无法达到光、投影内容的变换效果。同时,现有的投影灯投射出来的只有画面,没有音乐渲染或解说配音等,效果单一。
发明内容
本发明提供一种投影灯,旨在解决现有的投影画面单一、效果单调的问题。
为实现上述目的,本发明提供一种投影灯,所述投影灯包括第一投影组件、第二投影组件和音频组件,所述第一投影组件用于投影光栅片,所述第二投影组件用于投影胶片,所述第一投影组件的投影区域与所述第二投影组件的投影区域重合以实现合成投影;所述音频组件用于根据所述胶片播放音频;所述第一投影组件包括第一光源模块、光栅模块和驱动模块,所述第一光源模块用于发出激光,所述激光穿过所述光栅模块实现光栅投影,所述驱动模块驱动所述光栅模块旋转以实现不同的投影效果;所述第二投影组件包括第二光源模块、胶片模块和光学镜头模块,所述第二光源模块用于发出投影灯光,所述投影灯光穿过所述胶片模块和光学镜头模块实现胶片投影;所述音频组件包括控制模块和与所述控制模块连接的扬声器,所述控制模块与所述胶片模块连接以读取所述胶片编码并获取所述胶片对应的音频文件以进行音频播放。
优选地,所述第一光源模块包括激光发射灯和激光散热器,所述激光散热器贴设于所述激光发射灯用于实现散热降温。
优选地,所述光栅模块包括旋转光栅和光栅片,所述光栅片设置在所述旋转光栅的投射口实现光栅投影。
优选地,所述驱动模块包括第一驱动马达,所述第一驱动马达与所述旋转光栅连接以驱动所述旋转光栅转动。
优选地,所述第二光源模块包括光源发射灯和光源散热器,所述光源散热器贴设于所述光源发射灯用于实现散热降温。
优选地,所述光源发射灯为白光灯。
优选地,所述胶片模块包括胶片更换器和第二驱动马达,所述第二驱动马达驱动所述胶片更换器转动,所述胶片更换器用于更换胶片以实现胶片投影。
优选地,所述光学镜头模块包括组合光学镜头和聚光凸透镜,所述组合光学镜头设于所述胶片更换器远离光源的一侧,所述聚光凸透镜设于所述胶片更换器靠近光源的一侧。
优选地,所述投影灯还包括幕布,所述幕布设于所述第一投影组件的投影区域与所述第二投影组件的投影区域重合位置以实现投影播放。
优选地,所述控制模块还包括通信单元,所述通信单元与云端数据库通信连接以自所述云端数据库获取所述胶片对应的音频文件。
本发明提供的投影灯,通过将两种投影灯组合实现投影的组合效果,同时通过更换光栅片和胶片,以及驱动光栅片和胶片旋转实现动态效果,并且制作成本低,使用简单,同时根据胶片播放对应的音频,用户体验好。
图1为本发明一实施例提供的投影灯的分解结构示意图;
图2为图1中旋转光栅和第一驱动马达的结构示意图;
图3为图1中控制模块的结构示意图。
图中,10、第一投影组件;11、第一光源模块;111、激光发射灯;112、激光散热器;12、光栅模块;121、旋转光栅;122、光栅片;1211、投射口;1212、光栅镜桶;1213、第二齿轮;13、驱动模块;131、第一驱动马达;1311、驱动马达本体;1312、第一齿轮;20、第二投影组件;21、第二光源模块;22、胶片模块;23、光学镜头模块;211、光源发射灯;212、光源散热器; 221、胶片更换器;222、第二驱动马达;223、胶片;231、组合光学镜头;232、聚光凸透镜;30、音频组件;31、控制模块;32、扬声器;311、控制芯片;312、数字功放;313、存储介质;314、通信单元;315、编码读取单元;316、编码解析单元;40、幕布。
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请结合参阅图1和图2,本发明一实施例提供的投影灯包括第一投影组件10、第二投影组件20和音频组件30,所述第一投影组件10用于投影光栅片,所述第二投影组件20用于投影胶片,所述第一投影组件10的投影区域与所述第二投影组件20的投影区域重合以实现合成投影;所述音频组件30用于根据所述胶片播放音频;所述第一投影组件10包括第一光源模块11、光栅模块12和驱动模块13,所述第一光源模块11用于发出激光,所述激光穿过所述光栅模块12实现光栅投影,所述驱动模块13驱动所述光栅模块12旋转以实现不同的投影效果;所述第二投影组件20包括第二光源模块21、胶片模块22和光学镜头模块23,所述第二光源模块21用于发出投影灯光,所述投影灯光穿过所述胶片模块22和光学镜头模块23实现胶片投影;所述音频组件30包括控制模块31和与所述控制模块31连接的扬声器32,所述控制模块31与所述胶片模块22连接以读取所述胶片编码并获取所述胶片对应的音频文件以进行音频播放;所述控制模块31还包括通信单元,所述通信单元与云端数据库通信连接以自所述云端数据库获取所述胶片对应的音频文件;具体在本发明一实施例中,所述通信单元使用WiFi无线通信通过互联网访问云端服务器。
具体地,所述第一光源模块11包括激光发射灯111和激光散热器112,所述激光散热器112贴设于所述激光发射灯111用于实现散热降温。所述光栅模块12包括旋转光栅121和光栅片122,所述光栅片122设置在所述旋转光 栅121的投射口1211实现光栅投影。所述驱动模块13包括第一驱动马达131,所述第一驱动马达131与所述旋转光栅121连接以驱动所述旋转光栅121转动。所述第一驱动马达131包括驱动马达本体1311和第一齿轮1312,所述旋转光栅121包括光栅镜桶1212和第二齿轮1213,所述第一齿轮1312和第二齿轮1213咬合,当第一驱动马达131驱动所述第一齿轮1312转动时带动所述第二齿轮1213转动,实现光栅片122的动态投影播放。光栅片122可更换,通过更换光栅片122实现不同的光栅播放效果。
所述第二光源模块21包括光源发射灯211和光源散热器212,所述光源散热器212贴设于所述光源发射灯211用于实现散热降温。具体在本发明一实施例中,所述光源发射灯211为白光灯,在其他实施例中,所述光源发射灯211可以是其他不同的颜色或类型,以实现不同的投影效果。所述胶片模块22包括胶片更换器221和第二驱动马达222,所述第二驱动马达222驱动所述胶片更换器221转动,所述胶片更换器221用于更换胶片223以实现胶片投影。所述光学镜头模块23包括组合光学镜头231和聚光凸透镜232,所述组合光学镜头231设于所述胶片更换器221远离光源的一侧,所述聚光凸透镜232设于所述胶片更换器221靠近光源的一侧。
所述投影灯还包括幕布40,所述幕布40设于所述第一投影组件10的投影区域与所述第二投影组件20的投影区域重合位置以实现投影播放。
请参阅图3,所述控制模块31包括控制芯片311、数字功放312、存储介质313、通信单元314、编码读取单元315和编码解析单元316;编码读取单元315进行胶片223的编码取样,胶片上有自带编码信息的金手指跳线(Gold Finger),通过编码读取单元315读取编码信息,然后经过编码解析单元316的解码,发送给控制芯片311处理,控制芯片311根据获取的编码信息触发通信单元314从云数据库获取该编码信息对应的音频文件,并将音频文件下载至本地的存储介质313,并通过数字功放312发送给扬声器32进行播放。
与现有技术相比,本发明提供的投影灯,通过将两种投影灯组合实现投影的组合效果,同时通过更换光栅片和胶片,以及驱动光栅片和胶片旋转实现动态效果,并且制作成本低,使用简单,同时根据胶片播放对应的音频,用户体验好。
以上所述的仅是本发明的实施方式,在此应当指出,对于本领域的普通 技术人员来说,在不脱离本发明创造构思的前提下,还可以做出改进,但这些均属于本发明的保护范围。
Claims (10)
- 一种投影灯,其特征在于,所述投影灯包括第一投影组件、第二投影组件和音频组件,所述第一投影组件用于投影光栅片,所述第二投影组件用于投影胶片,所述第一投影组件的投影区域与所述第二投影组件的投影区域重合以实现合成投影;所述音频组件用于根据所述胶片播放音频;所述第一投影组件包括第一光源模块、光栅模块和驱动模块,所述第一光源模块用于发出激光,所述激光穿过所述光栅模块实现光栅投影,所述驱动模块驱动所述光栅模块旋转以实现不同的投影效果;所述第二投影组件包括第二光源模块、胶片模块和光学镜头模块,所述第二光源模块用于发出投影灯光,所述投影灯光穿过所述胶片模块和光学镜头模块实现胶片投影;所述音频组件包括控制模块和与所述控制模块连接的扬声器,所述控制模块与所述胶片模块连接以读取所述胶片编码并获取所述胶片对应的音频文件以进行音频播放。
- 根据权利要求1所述的投影灯,其特征在于,所述第一光源模块包括激光发射灯和激光散热器,所述激光散热器贴设于所述激光发射灯用于实现散热降温。
- 根据权利要求1所述的投影灯,其特征在于,所述光栅模块包括旋转光栅和光栅片,所述光栅片设置在所述旋转光栅的投射口实现光栅投影。
- 根据权利要求3所述的投影灯,其特征在于,所述驱动模块包括第一驱动马达,所述第一驱动马达与所述旋转光栅连接以驱动所述旋转光栅转动。
- 根据权利要求1所述的投影灯,其特征在于,所述第二光源模块包括光源发射灯和光源散热器,所述光源散热器贴设于所述光源发射灯用于实现散热降温。
- 根据权利要求5所述的投影灯,其特征在于,所述光源发射灯为白光灯。
- 根据权利要求1所述的投影灯,其特征在于,所述胶片模块包括胶片更换器和第二驱动马达,所述第二驱动马达驱动所述胶片更换器转动,所述胶片更换器用于更换胶片以实现胶片投影。
- 根据权利要求7所述的投影灯,其特征在于,所述光学镜头模块包括组合光学镜头和聚光凸透镜,所述组合光学镜头设于所述胶片更换器远离光源的一侧,所述聚光凸透镜设于所述胶片更换器靠近光源的一侧。
- 根据权利要求1所述的投影灯,其特征在于,所述投影灯还包括幕布,所述幕布设于所述第一投影组件的投影区域与所述第二投影组件的投影区域重合位置以实现投影播放。
- 根据权利要求1所述的投影灯,其特征在于,所述控制模块还包括通信单元,所述通信单元与云端数据库通信连接以自所述云端数据库获取所述胶片对应的音频文件。
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