WO2019179122A1 - 一种多方位安装的投影设备 - Google Patents

一种多方位安装的投影设备 Download PDF

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Publication number
WO2019179122A1
WO2019179122A1 PCT/CN2018/113872 CN2018113872W WO2019179122A1 WO 2019179122 A1 WO2019179122 A1 WO 2019179122A1 CN 2018113872 W CN2018113872 W CN 2018113872W WO 2019179122 A1 WO2019179122 A1 WO 2019179122A1
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WIPO (PCT)
Prior art keywords
vent
curved surface
curved
projection device
surface structure
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PCT/CN2018/113872
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English (en)
French (fr)
Inventor
刘鸿梅
亓森林
刘志娟
李屹
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深圳光峰科技股份有限公司
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Publication of WO2019179122A1 publication Critical patent/WO2019179122A1/zh

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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
    • G03B21/16—Cooling; Preventing overheating

Definitions

  • the present invention relates to the field of projection equipment, and in particular, to a multi-directional installation projection apparatus.
  • the projector is a high-heating device that requires forced convection to cool.
  • a venting hole is usually placed on the projector.
  • the position of the venting hole is generally fixed as the projector is designed. .
  • venting holes of the existing projector equipment are arranged on the side of the equipment, and there is no opening in the upper cover and the bottom.
  • Such a hole opening scheme can meet the requirements of the safety requirements of the bottom without holes in the normal installation and ceiling installation, but when the test is required, When the equipment needs to be installed in the side orientation, the side vents become the bottom openings, which will not meet the safety requirements, so the side orientation installation is not possible.
  • the main object of the present invention is to provide a multi-directional installation projection apparatus, which can adjust the position of the vent by providing a movable member at the vent, so that the safety requirement of the bottom without holes can be achieved when the side orientation is installed.
  • the present invention provides a multi-directionally mounted projection apparatus, comprising: a ventilation structure, the ventilation structure comprising: a vent and a movable member disposed at the vent, when the projection device is laterally mounted Adjusting the ventilation direction of the ventilation structure by the movable member.
  • the vent includes a bottom vent and a side vent
  • the movable member is a foldable non-porous structure
  • one end of the foldable non-porous structure is fixedly connected to the bottom vent and the side vent
  • the foldable non-porous structure covers the bottom vent when the projection device is normally installed; and the foldable non-porous structure covers the side vent when the projection device is laterally mounted.
  • the bottom vent and the side vent are rectangular vents.
  • the vent is a curved vent
  • the movable member includes: a first curved surface structure and a second curved surface structure, the curved vent and the first curved surface structure and the second arc
  • the surface structure is a concentric structure; when the projection device is normally installed, the first curved surface structure and the second curved surface structure respectively cover the upper and lower sections of the curved vent; when the projection device is installed at the side orientation, The first curved surface structure and the second curved surface structure both cover a middle portion of the curved vent.
  • the curved vent has a three-quarter arc of a cross section, and includes: a lower section at the bottom quarter arc, a middle section of the side quarter arc, and a quarter of the top The upper part of the arc.
  • a radius of a circular arc of the first curved surface structure is slightly larger than a radius of a circular arc of the curved vent; the radius of the circular arc of the second curved surface is slightly larger than the first The radius of the arc of the section of a curved surface structure.
  • the curved vent is a mesh structure.
  • the vent includes a bottom vent and a side vent.
  • the bottom vent and the side vent are both louver structures.
  • the louver on the bottom vent is closed, and the side vent is closed.
  • the louver is opened; when the projection device is installed in the side orientation, the louver on the bottom vent is opened, and the louver of the side vent is closed.
  • the blade width of the louver structure is greater than the blade pitch spacing.
  • a multi-directionally mounted projection apparatus includes: a ventilation structure, the ventilation structure comprising: a vent and a movable member disposed at the vent, through the activity when the projection device is laterally mounted
  • the ventilation direction of the ventilation structure is adjusted, and the position of the vent is adjusted by providing a movable member at the vent, so that the safety requirement of the bottom without holes can be achieved when the side orientation is installed.
  • FIG. 1 is a schematic structural diagram of a multi-directional installation projection apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of a ventilation structure when a projection device according to Embodiment 1 of the present invention is normally installed;
  • FIG. 3 is a schematic diagram of a ventilation structure when a projection apparatus is installed in a side orientation according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic diagram of a ventilation structure when a projection device according to Embodiment 2 of the present invention is normally installed;
  • FIG. 5 is a ventilation structure diagram of a side view installation of a projection device according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic diagram showing the opening of a louver structure according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic diagram showing the closing of a louver structure according to Embodiment 3 of the present invention.
  • FIG. 8 is a schematic diagram of a ventilation structure when a projection device according to Embodiment 3 of the present invention is normally installed;
  • FIG. 9 is a schematic diagram of a ventilation structure when a projection apparatus is installed in a side orientation according to Embodiment 3 of the present invention.
  • the reference numerals are: 1- bottom vent, 2-side vent, 3-foldable non-porous structure, 4-arc vent, 5-first curved structure, 6-second curved structure, 7- Louver structure, 8-top vents.
  • a multi-directionally mounted projection device includes: a ventilation structure, the ventilation structure includes: a vent and a movable member disposed at the vent, when the projection device side When the orientation is installed, the ventilation direction of the ventilation structure is adjusted by the movable member.
  • the position of the vent is adjusted by providing a movable member at the vent, so that when the side is mounted, the safety requirement of the bottom without holes can be achieved, and the multi-directional installation effect of the projection device is achieved.
  • the vent includes a bottom vent and a side vent
  • the movable member is a foldable non-porous structure
  • one end of the foldable non-porous structure is fixedly connected to a connection between the bottom vent and the side vent
  • FIG. 2 is a schematic diagram of a ventilation structure when the projection device is normally installed
  • FIG. 3 is a schematic diagram of a ventilation structure when the projection device is laterally mounted.
  • the side vent is facing downward as a bottom, and the foldable non-porous structure is covered on the side vent.
  • the bottom is non-porous, which meets the requirements of safety and fire protection, while the original bottom vent is located on the side, which satisfies the requirements of the projection equipment for heat dissipation.
  • the bottom vent and the side vent are rectangular vents.
  • the shape of the vent shown may also be circular or diamond shaped.
  • the vent is a curved vent
  • the movable member includes: a first curved surface structure and a second curved surface structure, the curved vent and the vent
  • the first curved surface structure and the second curved surface structure are concentric structures; when the projection device is normally installed, the first curved surface structure and the second curved surface structure respectively cover the upper portion of the curved vent and a lower section; when the projection device is mounted in a side orientation, the first curved surface structure and the second curved surface structure both cover a middle portion of the curved vent.
  • FIG. 4 is a schematic diagram of a ventilation structure when the projection device is normally installed
  • FIG. 5 is a schematic diagram of a ventilation structure when the projection device is installed at the side orientation.
  • the middle portion of the curved vent is facing downward as the bottom, the first curved surface structure and the first
  • the two arc surface structure slides to the outside of the middle section of the curved vent, and the middle section is covered, so that the bottom is non-porous, which satisfies the requirements of safety and fire prevention, and the upper and lower sections of the curved vent are located on the side, which satisfies the heat dissipation of the projection device.
  • the curved vent has a cross section of three quarters of an arc, including: a lower section of the bottom quarter arc, a middle section of the side quarter arc and a top four point The upper section of one of the arcs.
  • the curved vent is a mesh structure
  • the first curved surface structure and the second curved surface structure are movable members that can slide along the circular arc.
  • the radius of the circular arc of the first curved surface structure is slightly larger than the radius of the circular arc of the curved vent; the radius of the circular arc of the second curved surface structure is slightly larger than The radius of the arc of the section of the first curved surface structure.
  • the first curved surface structure and the second curved surface structure sequentially cover the outside of the curved vent.
  • the vent includes a bottom vent and a side vent, and the bottom vent and the side vent are both louver structures.
  • the louver on the bottom vent is closed, and the louver of the side vent is opened; when the projection device is mounted on the side, the louver on the bottom vent is opened, and the louver of the side vent is closed.
  • the blade width of the louver structure is greater than the blade rotation axis spacing.
  • the louver blade rotation axis spacing is d
  • the blade width is w, which needs to satisfy w>d.
  • the vent also includes a top vent and a louver structure.
  • the bottom and bottom louvers are at In the closed state, the side area shutters are opened to ensure the heat dissipation capability of the projection device;
  • the side vents become the bottom of the ventilation structure, the bottom vents and the top The vents become the sides of the ventilation structure.
  • the louvers on the side vents are closed, and the louvers of the bottom vents and the top vents are opened, which can meet the heat dissipation requirements of the products and meet the requirements of the safety standards. .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Air-Flow Control Members (AREA)

Abstract

一种多方位安装的投影设备，包括通风结构。通风结构包括通风口（1, 2, 4）和设置于通风口（1, 2, 4）处的活动件（3, 5, 6, 7）。当投影设备侧方位安装时，通过在通风口（1, 2, 4）处设置活动件（3, 5, 6, 7）来调节通风口（1, 2, 4）的位置从而调节通风结构的通风方向。由此实现在侧方位安装时，实现底部无孔的安规要求。

Description

一种多方位安装的投影设备 技术领域
本发明涉及投影设备技术领域，尤其涉及一种多方位安装的投影设备。
背景技术
投影机是一种高发热量设备，需要采用强迫对流的方式进行冷却，而在采用强迫对流的方案中，通常会在投影机上面设置通风孔，通风孔的位置一般随着投影机设计完成而固定。
现有投影机设备的通风孔设置在设备的侧面，上盖和底部没有开孔，这样的开孔方案在正常安装和吊顶安装时可以满足安规要求的底部无孔不用试验的要求，但当设备需要侧方位安装时，侧面的通风孔变成了底部开孔，将不符合安规要求，因此不能进行侧方位安装。
发明内容
本发明的主要目的在于提出一种多方位安装的投影设备，通过在通风口设置活动件来调节通风口的位置，使得在侧方位安装时，也能达到底部无孔的安规要求。
为实现上述目的，本发明提供的一种多方位安装的投影设备，包括：通风结构，所述通风结构包括：通风口和设置于所述通风口处的活动件，当投影设备侧方位安装时，通过所述活动件调节通风结构的通风方向。
可选地，所述通风口包括底部通风口和侧面通风口，所述活动件为可折叠无孔结构，所述可折叠无孔结构的一端固定连接于所述底部通风口和侧面通风口的连接处，当投影设备正常安装时，所述可折叠无孔结构覆盖在所述 底部通风口上；当投影设备侧方位安装时，所述可折叠无孔结构覆盖在所述侧面通风口上。
可选地，所述底部通风口和侧面通风口皆为矩形通风孔。
可选地，所述通风口为弧面通风口，所述活动件包括：第一弧面结构和第二弧面结构，所述弧面通风口与所述第一弧面结构和第二弧面结构为同心结构；当投影设备正常安装时，所述第一弧面结构和所述第二弧面结构分别覆盖于所述弧面通风口的上段和下段；当投影设备侧方位安装时，所述第一弧面结构和所述第二弧面结构皆覆盖于所述弧面通风口的中段。
可选地，所述弧面通风口的截面为四分之三圆弧，包括：位于底部四分之一圆弧的下段，位于侧面四分之一圆弧的中段和位于顶部四分之一圆弧的上段。
可选地，所述第一弧面结构的截面圆弧的半径略大于所述弧面通风口的截面圆弧的半径；所述第二弧面结构的截面圆弧的半径略大于所述第一弧面结构的截面圆弧的半径。
可选地，所述弧面通风口为网孔结构。
可选地，所述通风口包括底部通风口和侧面通风口，所述底部通风口和侧面通风口皆为百叶窗结构，当投影设备正常安装时，所述底部通风口上的百叶窗闭合，侧面通风口的百叶窗开启；当投影设备侧方位安装时，所述底部通风口上的百叶窗开启，侧面通风口的百叶窗闭合。
可选地，所述百叶窗结构的叶片宽度大于叶片转轴间距。
本发明提出的一种多方位安装的投影设备，包括：通风结构，所述通风结构包括：通风口和设置于所述通风口处的活动件，当投影设备侧方位安装时，通过所述活动件调节通风结构的通风方向，通过在通风口设置活动件来调节通风口的位置，使得在侧方位安装时，也能达到底部无孔的安规要求。
附图说明
图1为本发明实施例一提供的一种多方位安装的投影设备的结构示意图；
图2为本发明实施例一提供的投影设备正常安装时的通风结构图；
图3为本发明实施例一提供的投影设备侧方位安装时的通风结构图；
图4为本发明实施例二提供的投影设备正常安装时的通风结构图；
图5为本发明实施例二提供的投影设备侧方位安装时的通风结构图；
图6为本发明实施例三提供的百叶窗结构开启示意图；
图7为本发明实施例三提供的百叶窗结构关闭示意图；
图8为本发明实施例三提供的投影设备正常安装时的通风结构图；
图9为本发明实施例三提供的投影设备侧方位安装时的通风结构图。
附图标记为：1-底部通风口，2-侧面通风口，3-可折叠无孔结构，4-弧面通风口，5-第一弧面结构，6-第二弧面结构，7-百叶窗结构，8-顶部通风口。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例一
如图1所示，在本实施例中，一种多方位安装的投影设备，包括：通风结构，所述通风结构包括：通风口和设置于所述通风口处的活动件，当投影设备侧方位安装时，通过所述活动件调节通风结构的通风方向。
在本实施例中，通过在通风口设置活动件来调节通风口的位置，使得在 侧方位安装时，也能达到底部无孔的安规要求，达到了投影设备的多方位安装的效果。
如图2-3所示，在本实施例中，所述通风口包括底部通风口和侧面通风口，所述活动件为可折叠无孔结构，所述可折叠无孔结构的一端固定连接于所述底部通风口和侧面通风口的连接处，当投影设备正常安装时，如图2所述，底部通风口位于底部，侧面通风口位于侧面，所述可折叠无孔结构覆盖在所述底部通风口上；当投影设备侧方位安装时，如图3所述，底部通风口位于侧面，侧面通风口位于底部，所述可折叠无孔结构覆盖在所述侧面通风口上。
图2为投影设备正常安装时的通风结构示意图，图3为投影设备侧方位安装时的通风结构示意图，此时，侧面通风口朝下作为底部，而可折叠无孔结构覆盖在侧面通风口上，使得底部无孔，满足了安规防火要求，而原本的底部通风口则位于侧面，满足了投影设备对散热的要求。
在本实施例中，所述底部通风口和侧面通风口皆为矩形通风孔。
作为另一种实施例，所示通风口的形状也可以为圆形或菱形。
实施例二
如图4-5所示，在本实施例中，所述通风口为弧面通风口，所述活动件包括：第一弧面结构和第二弧面结构，所述弧面通风口与所述第一弧面结构和第二弧面结构为同心结构；当投影设备正常安装时，所述第一弧面结构和所述第二弧面结构分别覆盖于所述弧面通风口的上段和下段；当投影设备侧方位安装时，所述第一弧面结构和所述第二弧面结构皆覆盖于所述弧面通风口的中段。
图4为投影设备正常安装时的通风结构示意图，图5为投影设备侧方位安装时的通风结构示意图，侧方位安装时，弧面通风口的中段朝下作为底部，第一弧面结构和第二弧面结构滑动到弧面通风口中段的外部，将中段覆盖， 使得底部无孔，满足了安规防火要求，而弧面通风口的上段和下段则位于侧面，满足了投影设备对散热的要求。
在本实施例中，所述弧面通风口的截面为四分之三圆弧，包括：位于底部四分之一圆弧的下段，位于侧面四分之一圆弧的中段和位于顶部四分之一圆弧的上段。
在本实施例中，所述弧面通风口为网孔结构，第一弧面结构和第二弧面结构为可沿着圆弧滑动的活动件。
在本实施例中，所述第一弧面结构的截面圆弧的半径略大于所述弧面通风口的截面圆弧的半径；所述第二弧面结构的截面圆弧的半径略大于所述第一弧面结构的截面圆弧的半径。以便于侧方位安装时，第一弧面结构与第二弧面结构依次覆盖于弧面通风口的外面。
实施例三
如图6-7所示，在本实施例中，所述通风口包括底部通风口和侧面通风口，所述底部通风口和侧面通风口皆为百叶窗结构，当投影设备正常安装时，所述底部通风口上的百叶窗闭合，侧面通风口的百叶窗开启；当投影设备侧方位安装时，所述底部通风口上的百叶窗开启，侧面通风口的百叶窗闭合。
在本实施例中，利用百叶窗的开关特性，所述百叶窗结构的叶片宽度大于叶片转轴间距，如图6所示，百叶窗叶片转轴间距为d，叶片的宽度为w，需要满足w>d，在百叶窗关闭时叶片之间相互重叠，叶片间无缝隙，以满足安规火防的要求。
如图8-9所示，作为另一种实施例，通风口还包括顶部通风口，也采用百叶窗结构，当投影设备处于正向位置放置时，如图8所示，底部和底部的百叶窗处于关闭状态，侧面区域百叶窗开启，保证投影设备的散热能力；当投影设备处于侧方位安装时，如图9所示，所述侧面通风口变成了通风结构的底部，所述底部通风口和顶部通风口变成了通风结构的侧面，此时所述侧 面通风口上的百叶窗关闭，所述底部通风口和顶部通风口的百叶窗开启，既可以满足产品的散热要求，又可以满足安规标准的要求。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (9)

  1. 一种多方位安装的投影设备，其特征在于，包括：通风结构，所述通风结构包括：通风口和设置于所述通风口处的活动件，当投影设备侧方位安装时，通过所述活动件调节通风结构的通风方向。
  2. 根据权利要求1所述的一种多方位安装的投影设备，其特征在于，所述通风口包括底部通风口和侧面通风口，所述活动件为可折叠无孔结构，所述可折叠无孔结构的一端固定连接于所述底部通风口和侧面通风口的连接处，当投影设备正常安装时，所述可折叠无孔结构覆盖在所述底部通风口上；当投影设备侧方位安装时，所述可折叠无孔结构覆盖在所述侧面通风口上。
  3. 根据权利要求2所述的一种多方位安装的投影设备，其特征在于，所述底部通风口和侧面通风口皆为矩形通风孔。
  4. 根据权利要求1所述的一种多方位安装的投影设备，其特征在于，所述通风口为弧面通风口，所述活动件包括：第一弧面结构和第二弧面结构，所述弧面通风口与所述第一弧面结构和第二弧面结构为同心结构；当投影设备正常安装时，所述第一弧面结构和所述第二弧面结构分别覆盖于所述弧面通风口的上段和下段；当投影设备侧方位安装时，所述第一弧面结构和所述第二弧面结构皆覆盖于所述弧面通风口的中段。
  5. 根据权利要求4所述的一种多方位安装的投影设备，其特征在于，所述弧面通风口的截面为四分之三圆弧，包括：位于底部四分之一圆弧的下段，位于侧面四分之一圆弧的中段和位于顶部四分之一圆弧的上段。
  6. 根据权利要求4所述的一种多方位安装的投影设备，其特征在于，所述第一弧面结构的截面圆弧的半径略大于所述弧面通风口的截面圆弧的半径；所述第二弧面结构的截面圆弧的半径略大于所述第一弧面结构的截面圆弧的半径。
  7. 根据权利要求4所述的一种多方位安装的投影设备，其特征在于，所 述弧面通风口为网孔结构。
  8. 根据权利要求1所述的一种多方位安装的投影设备，其特征在于，所述通风口包括底部通风口和侧面通风口，所述底部通风口和侧面通风口皆为百叶窗结构，当投影设备正常安装时，所述底部通风口上的百叶窗闭合，侧面通风口的百叶窗开启；当投影设备侧方位安装时，所述底部通风口上的百叶窗开启，侧面通风口的百叶窗闭合。
  9. 根据权利要求8所述的一种多方位安装的投影设备，其特征在于，所述百叶窗结构的叶片宽度大于叶片转轴间距。
PCT/CN2018/113872 2018-03-21 2018-11-05 一种多方位安装的投影设备 WO2019179122A1 (zh)

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