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WO2018196194A1 - Dispositif de projection - Google Patents

Dispositif de projection Download PDF

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Publication number
WO2018196194A1
WO2018196194A1 PCT/CN2017/094793 CN2017094793W WO2018196194A1 WO 2018196194 A1 WO2018196194 A1 WO 2018196194A1 CN 2017094793 W CN2017094793 W CN 2017094793W WO 2018196194 A1 WO2018196194 A1 WO 2018196194A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
lens module
sleeve
disposed
module
Prior art date
Application number
PCT/CN2017/094793
Other languages
English (en)
Chinese (zh)
Inventor
杨佳翼
陈红运
欧计敏
李屹
Original Assignee
深圳市光峰光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市光峰光电技术有限公司 filed Critical 深圳市光峰光电技术有限公司
Publication of WO2018196194A1 publication Critical patent/WO2018196194A1/fr

Links

Classifications

    • 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

Definitions

  • the utility model relates to the field of projection display technology, and more particularly to a projection device.
  • a projection device is a device that can project images or video onto a screen or wall, and has many advantages such as high brightness and wide color gamut.
  • FIG. 1 it is a schematic structural diagram of a conventional projection apparatus, wherein the projection apparatus generally includes a housing 1 , a lens sleeve 2 communicating with the housing 1 , and a lens disposed in the lens sleeve 2 .
  • the module 3; and the lens module 3 cooperate with devices such as the light source device 4, the light modulation system 5, and the optical system 6 provided in the casing 1 to achieve the purpose of projecting images or videos.
  • the present invention provides a projection apparatus, which is provided with a dustproof structure between the lens module and the lens sleeve to prevent dust from entering the inside of the housing, and the optical components inside the housing are not protected. Pollution.
  • a projection device comprising:
  • a lens sleeve coupled to the housing
  • a lens module disposed in the lens sleeve, wherein a dustproof structure is disposed between the lens sleeve and the lens module.
  • the dustproof structure is disposed between the lens sleeve and the lens module, and is adjacent to one end of the light emitting surface of the lens module.
  • the dustproof structure comprises: a track surrounding the lens module;
  • a plurality of spheres disposed along the track, and the plurality of spheres form a dustproof retaining wall between the lens sleeve and the lens module;
  • the track is formed on an inner wall of the lens sleeve; or the track is formed on the lens module.
  • two adjacent balls are in contact with each other.
  • the sphere is an elastic sphere or a rigid sphere.
  • the dustproof structure includes: a groove surrounding the lens module;
  • the groove is formed on an inner wall of the lens sleeve, and the baffle is formed on the lens module; or the groove is formed on the lens module, and the baffle is formed On the inner wall of the lens sleeve.
  • a width of the groove is greater than a width of the baffle.
  • the dustproof structure comprises: a sealing oil disposed between the lens sleeve and the lens module and disposed around the lens module.
  • the sealing oil is a solid oil or a liquid oil.
  • the dustproof structure includes: a first structure surrounding the lens module and formed on the lens module, the first structure including a protrusion and/or a recess;
  • the dustproof structure comprises: a thread structure surrounding the lens module and formed on the inner wall of the lens sleeve and the lens module.
  • the technical solution provided by the present invention has at least the following advantages:
  • the utility model provides a projection device, comprising: a housing; a lens sleeve connected to the housing; and a lens module disposed in the lens sleeve, wherein the lens sleeve and the lens sleeve A dustproof structure is disposed between the lens modules.
  • the technical solution provided by the utility model provides a dustproof structure between the lens module and the lens sleeve to prevent dust from entering the inside of the casing, and protects the optical components inside the casing from being contaminated.
  • FIG. 1 is a schematic structural view of a conventional projection apparatus
  • FIG. 2 is a schematic structural diagram of a projection device according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a lens module and a lens sleeve according to an embodiment of the present application
  • Figure 3b is a cross-sectional view taken along line AA' of Figure 3a;
  • FIG. 4 is a schematic structural diagram of another lens module and a lens sleeve according to an embodiment of the present application.
  • Figure 4b is a cross-sectional view taken along line AA' of Figure 4a;
  • FIG. 5 is a schematic structural diagram of another lens module and a lens sleeve according to an embodiment of the present application.
  • Figure 5b is a cross-sectional view taken along line AA' of Figure 5a;
  • FIG. 6 is a schematic structural diagram of another lens module and a lens sleeve according to an embodiment of the present application.
  • Figure 6b is a cross-sectional view taken along line AA' of Figure 6a;
  • FIG. 7 is a schematic structural diagram of still another lens module and a lens sleeve according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of another lens module and a lens sleeve according to an embodiment of the present application.
  • Figure 8b is a cross-sectional view taken along line AA' of Figure 8a;
  • FIG. 9 is a schematic structural diagram of still another lens module and a lens sleeve according to an embodiment of the present application.
  • a projection apparatus generally includes a housing, a lens sleeve that communicates with the housing, and a lens module disposed in the lens sleeve; and the lens module passes through a light source device disposed in the housing,
  • the light modulation system and the optical system and the like cooperate with each other to achieve the purpose of projecting images or videos.
  • the lens sleeve since there is a gap between the lens module and the lens sleeve, and the lens sleeve is in communication with the connection end of the housing, external dust easily enters the interior of the housing through the gap, thereby contaminating the optical disposed inside the housing. element.
  • the embodiment of the present application provides a projection device.
  • the dustproof structure is disposed between the lens module and the lens sleeve to prevent dust from entering the interior of the housing, and the optical components inside the housing are not protected. Pollution.
  • FIG. 2 is a schematic structural diagram of a projection apparatus according to an embodiment of the present disclosure, where the projection apparatus includes:
  • a lens sleeve 200 coupled to the housing 100;
  • a lens module 300 disposed in the lens sleeve 100, wherein a dustproof structure 400 is disposed between the lens sleeve 200 and the lens module 300.
  • the housing 100 further includes a light source device, a light modulation system, a light machine system, and the like.
  • the optical components cooperate with the lens module 300 to complete the purpose of projecting images or videos.
  • the light source device is for emitting a light source
  • the light modulation system is for modulating the light source according to the image data to form image light
  • the optomechanical system is for optically processing the image light (such as homogenizing, shaping, focusing, etc.), and the image light is
  • the method is directed to the lens module 300 to project image light onto the screen through the lens module 300 to form a corresponding image; the working principle is the same as the prior art, and thus the present application does not redundantly describe the same.
  • the technical solution provided by the embodiment of the present application provides a dustproof structure between the lens module and the lens sleeve to prevent dust from entering the inside of the casing, and protects the optical components inside the casing from being contaminated.
  • the dustproof structure is disposed between the lens sleeve and the lens module, adjacent to one end of the light emitting surface of the lens module, wherein the dustproof structure is disposed on the lens cover The tube is away from the side of the housing to block the dust at the end.
  • This application is not specifically limited.
  • the dustproof structure can also be disposed in any area between the lens module and the lens sleeve, and needs to be specific according to the actual application. design.
  • FIG. 3a is a schematic structural view of a lens module and a lens sleeve according to an embodiment of the present application
  • FIG. 3b is a cross-sectional view taken along line AA' of FIG. 3a.
  • the dustproof structure includes: a track 411 surrounding the lens module 300;
  • a plurality of spheres 412 disposed along the track 411, and the plurality of spheres 412 form a dust barrier between the lens sleeve 200 and the lens module 300.
  • two adjacent balls 412 are in contact with each other to form a dustproof retaining wall.
  • the lens module 300 can ensure the expansion and contraction of the lens module 200 by the presence of the spherical body 412 in the track 411, and the zoom lens module 300 can achieve focusing. purpose.
  • a dustproof wall can be formed to block dust from entering the inside of the casing to achieve dustproof purposes.
  • the sphere provided in the embodiment of the present application may be an elastic sphere or a rigid sphere, wherein the rigid sphere may be a steel ball.
  • the rail 411 may be formed on an inner wall of the lens barrel 300. or,
  • FIG. 4a is a schematic structural view of another lens module and a lens sleeve according to an embodiment of the present application
  • FIG. 4b is a cross-sectional view taken along line AA' of FIG. 4a, wherein The track 411 can also be formed on the lens module 300.
  • the lubricating oil can be disposed in the rail 411, which not only makes the relative movement between the lens module 300 and the lens sleeve 200 more convenient, but also can further block external dust.
  • FIG. 5a is a schematic structural view of another lens module and a lens sleeve according to an embodiment of the present application
  • FIG. 5b is a cross-sectional view taken along line AA' of FIG. 5a.
  • the dustproof structure includes: a groove 421 surrounding the lens module 300;
  • baffle 422 surrounding the lens module 300 and matching the groove 421.
  • the top end of the baffle 422 is in contact with the bottom of the recess 421 to block the dust from entering the inside of the housing 100 as a dustproof retaining wall for dust prevention purposes.
  • the material of the baffle 422 is not specifically limited.
  • the groove 421 may be formed on an inner wall of the lens sleeve 300, and the baffle 422 is formed on the lens module 300. or,
  • FIG. 6a is a schematic structural view of another lens module and a lens sleeve according to an embodiment of the present application
  • FIG. 6b is a cross-sectional view taken along line AA' of FIG. 6a, wherein The groove 421 is formed on the lens module 300, and the baffle 422 is formed on an inner wall of the lens barrel 200.
  • the width d1 of the groove 421 is greater than the width of the baffle 422 in the light-emitting direction of the lens module 300. D2, the purpose of focusing is achieved by achieving relative movement between the lens module 300 and the lens sleeve 200. It should be noted that, the embodiment of the present application does not limit the specific width data of the groove 421 and the baffle 422, and needs to be specifically designed according to actual applications.
  • FIG. 7 a schematic structural diagram between a lens module and a lens sleeve according to an embodiment of the present disclosure, wherein the dustproof structure includes: the lens sleeve 200 and the lens Sealing oil 430 disposed between the modules 300 and surrounding the lens module 300.
  • the seal oil 430 provided in the embodiment of the present application may be a solid oil or a liquid oil, wherein the seal oil 430 blocks external dust from entering the inside of the casing 100 to achieve dustproof purposes.
  • FIG. 8a is a schematic structural view of another lens module and a lens sleeve according to an embodiment of the present application
  • FIG. 8b is a cross-sectional view taken along line AA' of FIG. 8a
  • the dustproof structure includes: a first structure 441 surrounding the lens module 300 and formed on the lens module 300, the first structure including protrusions and/or recesses;
  • a second structure 442 formed on an inner wall of the lens barrel 200 and matching the first structure 441.
  • the lens module 300 and the lens sleeve 200 are formed with an uneven surface corresponding to the dust-proof structure, thereby forming a dustproof structure to block external dust from entering the interior of the casing.
  • the uneven surface may be regular or irregular, and the present application does not specifically limit the present application.
  • FIG. 9 a schematic structural diagram between a lens module and a lens sleeve according to an embodiment of the present disclosure, wherein the dustproof structure includes: surrounding the lens module 300 and formed in the The inner wall of the lens barrel 200 and the threaded structure 450 on the lens module 300 are matched to each other.
  • the dustproof structure may also be in other styles, which is not specifically limited in this application.
  • the structure of the groove, the baffle, the track, and the like formed on the lens module and the lens sleeve can be integrally formed with the lens module and the lens sleeve, and the present application also does not specifically limit.
  • An embodiment of the present application provides a projection apparatus including: a housing; a lens sleeve connected to the housing; and a lens module disposed in the lens sleeve, wherein the lens sleeve and the lens sleeve A dustproof structure is disposed between the lens modules.
  • the technical solution provided by the embodiment of the present application provides a dustproof structure between the lens module and the lens sleeve to prevent dust from entering the inside of the casing, and protects the optical components inside the casing from being contaminated.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lens Barrels (AREA)
  • Projection Apparatus (AREA)

Abstract

L'invention concerne un dispositif de projection, comprenant : une enveloppe (100) ; une douille porte-lentilles (200) reliée à l'enveloppe (100) ; et un module de lentille (300) disposé dans la douille porte-lentilles (200). Une structure étanche à la poussière (400) est disposée entre la douille porte-lentilles (200) et le module de lentille (300), de telle sorte que la poussière ne peut pas entrer à l'intérieur de l'enveloppe (100).
PCT/CN2017/094793 2017-04-24 2017-07-28 Dispositif de projection WO2018196194A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720436091.2U CN206819032U (zh) 2017-04-24 2017-04-24 一种投影设备
CN201720436091.2 2017-04-24

Publications (1)

Publication Number Publication Date
WO2018196194A1 true WO2018196194A1 (fr) 2018-11-01

Family

ID=60754011

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/094793 WO2018196194A1 (fr) 2017-04-24 2017-07-28 Dispositif de projection

Country Status (2)

Country Link
CN (1) CN206819032U (fr)
WO (1) WO2018196194A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108897189B (zh) * 2018-07-16 2022-01-18 上海朴速广告有限责任公司 一种防冲击快速回正投影仪装置及其工作方法
CN111385442B (zh) * 2018-12-28 2024-12-31 宁波舜宇光电信息有限公司 镜头组件、感光组件和摄像模组及其组装方法
CN110780515B (zh) * 2019-09-24 2021-03-19 深圳市火乐科技发展有限公司 投影镜头防护结构和投影仪
CN115086507B (zh) * 2021-03-10 2023-08-22 宁波舜宇光电信息有限公司 可伸缩式摄像模组和电子设备
TWI823068B (zh) * 2021-03-12 2023-11-21 中強光電股份有限公司 光機模組與投影裝置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014255Y (zh) * 2007-02-13 2008-01-30 北京星光影视设备科技股份有限公司 密封防潮投影幻灯
CN101187464A (zh) * 2007-12-21 2008-05-28 北京星光影视设备科技股份有限公司 密封防潮投影幻灯
CN201382092Y (zh) * 2009-03-26 2010-01-13 常州光洋轴承有限公司 轴承复合式防尘盖
JP2010256568A (ja) * 2009-04-23 2010-11-11 Panasonic Corp レンズ鏡筒
CN102636945A (zh) * 2012-04-01 2012-08-15 深圳雅图数字视频技术有限公司 投影仪及其防尘装置
CN103032454A (zh) * 2011-10-10 2013-04-10 山东省北斗制冷设备有限公司 没有保持器的滚动轴承
JP2014203053A (ja) * 2013-04-10 2014-10-27 キヤノン株式会社 レンズ鏡筒および撮像装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014255Y (zh) * 2007-02-13 2008-01-30 北京星光影视设备科技股份有限公司 密封防潮投影幻灯
CN101187464A (zh) * 2007-12-21 2008-05-28 北京星光影视设备科技股份有限公司 密封防潮投影幻灯
CN201382092Y (zh) * 2009-03-26 2010-01-13 常州光洋轴承有限公司 轴承复合式防尘盖
JP2010256568A (ja) * 2009-04-23 2010-11-11 Panasonic Corp レンズ鏡筒
CN103032454A (zh) * 2011-10-10 2013-04-10 山东省北斗制冷设备有限公司 没有保持器的滚动轴承
CN102636945A (zh) * 2012-04-01 2012-08-15 深圳雅图数字视频技术有限公司 投影仪及其防尘装置
JP2014203053A (ja) * 2013-04-10 2014-10-27 キヤノン株式会社 レンズ鏡筒および撮像装置

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Publication number Publication date
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