WO2017076337A1 - 一种紧凑型防尘散热装置及投影装置 - Google Patents

一种紧凑型防尘散热装置及投影装置 Download PDF

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Publication number
WO2017076337A1
WO2017076337A1 PCT/CN2016/104628 CN2016104628W WO2017076337A1 WO 2017076337 A1 WO2017076337 A1 WO 2017076337A1 CN 2016104628 W CN2016104628 W CN 2016104628W WO 2017076337 A1 WO2017076337 A1 WO 2017076337A1
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Prior art keywords
blower
air
filter
compact
air inlet
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PCT/CN2016/104628
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English (en)
French (fr)
Inventor
邓高飞
林伟
李锦清
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深圳市光峰光电技术有限公司
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Publication of WO2017076337A1 publication Critical patent/WO2017076337A1/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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the present application relates to a light source device, and more particularly to a color wheel heat dissipation structure and a projection device.
  • Existing laser projection devices mainly use laser excitation of fluorescent color wheel technology to generate colored light sequences.
  • the projection device causes the laser light source to illuminate the fluorescent color wheel, and the wavelength conversion material on the color wheel converts the excitation light into a laser light, and part of the energy of the excitation light is converted into heat absorbed by the surface material of the color wheel, thereby causing the phosphor
  • the color wheel absorbs dust in the surrounding air when it rotates at a high speed, and the adhesion of the dust obviously also reduces the efficiency of the phosphor. Therefore, it is necessary to perform dustproof and heat dissipation treatment on the color wheel.
  • the existing heat dissipation and dustproof device includes a dustproof heat dissipation module that is connected to the color wheel module 1 through a pipeline.
  • the dustproof heat dissipation module includes an outer protective cover 21, a primary effect filter 22, a gland 23, a high efficiency filter a24, a high efficiency filter b25, a blower 26, an air inlet duct 27, and an air outlet in order from the outside to the inside. Road 28.
  • the entire filter device has a small air intake, a poor heat dissipation effect and a large space.
  • the utility model provides a compact dustproof heat dissipating device, which solves the problems of low heat dissipation efficiency and large space occupied by the existing color wheel heat dissipating device.
  • a compact dustproof heat dissipating device includes: a blower assembly connected to a heat source inlet duct, a cover disposed on both sides of the blower assembly, and a filter disposed between the cover and the blower assembly
  • the air blower assembly includes a bidirectional air blower for fixing the mounting frame of the air blower; the filter assembly is disposed on both sides of the air blower.
  • the compact dustproof heat dissipating device wherein the top of the mounting frame is provided with an exhaust venting compartment for exhausting air, and the bottom is provided with an air inlet compartment for accommodating the air blower;
  • the air outlet duct of the heat source is connected, and the air outlet of the air blower is connected to the air inlet duct of the heat source.
  • the compact dustproof heat dissipating device wherein the filter assembly is disposed on both sides of the mounting frame, and covers an air inlet of the air inlet compartment and an air outlet of the air exhaust compartment.
  • the compact dust-proof heat dissipating device wherein the filter assembly is disposed in a group corresponding to each side of the air blower, and each set of filter components includes a high-efficiency filter and a primary filter disposed in an overlapping manner. .
  • the compact dust-proof heat sink wherein the high efficiency filter of the filter assembly is disposed on a side adjacent to the blower.
  • the compact dust-proof heat dissipating device wherein the high-efficiency filter surface is respectively provided with an air inlet filter zone corresponding to the air inlet compartment, and an exhaust air filter corresponding to the exhaust air compartment Area.
  • the compact dustproof heat dissipating device wherein both sides of the mounting bracket are provided with a first mounting portion extending outward to constitute the filter assembly.
  • the cover plate is provided with a mesh ventilation surface, and two sides of the cover plate are provided with a second mounting portion corresponding to the first mounting portion.
  • the compact dustproof heat dissipating device wherein the air inlet compartment has a cross-sectional area larger than the exhaust air compartment.
  • a projection apparatus wherein the projection apparatus comprises the above-described compact dustproof heat sink, the heat source being a color wheel assembly.
  • the compact dustproof heat dissipating device and the projection device provided by the utility model adopt a symmetrical structure with a filter which is centered on the two-way air inlet blower and both sides are provided, so that the air flow through the inside of the color wheel assembly is larger, both sides
  • the symmetrically arranged filter not only ensures the dust is filtered when entering the wind, but also prevents the dust from flowing back into the color wheel cavity by the outlet duct in the non-working state; the symmetrical structure of the two-way air inlet ensures the heat dissipation effect of the color wheel.
  • the layout of the entire dustproof heat sink is more compact, and the internal space of the device is saved.
  • FIG. 1 is a schematic structural view of a dustproof heat sink in the prior art
  • FIG. 2 is a schematic structural view of a compact dustproof heat sink according to an embodiment of the present invention.
  • the utility model relates to a projection device which generates a color light sequence by a technique in which a laser light source emits a laser to excite a fluorescent color wheel.
  • a laser light source emits a laser to excite a fluorescent color wheel.
  • the thermal power consumption on the color wheel also increases. If the heat dissipation problem of the color wheel assembly cannot be solved well, the phosphor excited light is greatly reduced. The efficiency even caused damage to the color wheel itself. Therefore, the color wheel assembly of the projection device needs to be separately equipped with a corresponding heat dissipating device to cool and cool the same.
  • a projection device provided by the embodiment includes a color wheel assembly and a compact dustproof heat dissipation device matched with the color wheel assembly, as shown in FIG. 2, including: an air inlet duct with the color wheel module 10 11-connected blower assembly 31, a cover plate 32 disposed on both sides of the blower assembly 31, and a filter assembly 33 disposed between the cover plate 32 and the blower assembly 31.
  • the blower assembly 31 includes a bi-directional air blower 310 A mounting bracket 311 for fixing the blower 310; a filter assembly 33 for filtering the gas is provided on both sides of the blower 310.
  • the cover plate 32 is disposed on each side of the blower assembly 31.
  • the top of the mounting frame 311 is provided with an exhaust plenum 312 for exhausting air
  • the bottom is provided with an air inlet compartment 313 for accommodating the blower 310; the exhaust compartment 312 and the color wheel module 10
  • the air outlet duct 12 is connected, and the air outlet of the blower 310 is connected to the air inlet duct 11 of the color wheel module 10.
  • the air inlet compartment 313 and the exhaust air compartment 312 are both cylindrical structures with openings on both sides. Since the blower 310 is a two-way air intake type, both sides of the air inlet compartment 313 are inwardly ventilated. The heat dissipation effect of the color wheel module 10 depends on the amount of the intake air volume.
  • the cross-sectional area of the air inlet compartment 313 is designed to be larger than the exhaust air compartment 312.
  • the inlet compartment 313 and the exhaust compartment 312 are provided with mounting holes on the surface, and the inlet duct 11 and the outlet duct 12 are connected to the color wheel assembly 10, and both are connected to the color wheel assembly 10;
  • the other end of the air duct 11 communicates with the air outlet of the blower 310 in the air inlet compartment 313 through the mounting hole on the side of the air inlet compartment 313, and the other end of the air outlet duct 12 passes through the mounting hole and the row of the upper surface of the exhaust compartment 312. Wind compartment 312 is connected.
  • the filter assembly 33 is disposed on the side of the mounting frame 311 and covers the air inlet of the air inlet compartment 313 and the air outlet of the air exhaust compartment 312.
  • the filter assembly 33 is disposed in a symmetrical manner on both sides of the blower 310, and each set of filter assemblies 33 includes a high efficiency filter 331 and a primary effect filter 332.
  • the high efficiency filter 331 of the filter assembly 33 is located on the side adjacent to the blower 310, and the high efficiency filter 331 is located at the air inlet of the air inlet compartment 313 on both sides of the air inlet compartment 313, and the outer side of the high efficiency filter 331 is An inefficient filter 332 is placed in an overlapping manner.
  • the surface of the high efficiency filter 331 is respectively provided with an air inlet filter zone 333 corresponding to the air inlet compartment 313, and an exhaust air filter zone 334 corresponding to the exhaust air compartment 312.
  • the airflow enters through the cover plates 32 on both sides, is initially filtered by the primary filter 332, is filtered again through the air inlet filter zone 333 of the high efficiency filter 331, and then enters through the air inlet duct 11
  • the hot air is discharged from the air outlet duct 12 into the exhaust compartment 312 and is discharged outward through the exhaust filter section 334.
  • the exhaust filter section 334 of the high efficiency filter 332 prevents the dust from flowing back into the color wheel cavity from the air outlet duct in the non-operating state.
  • the two mounting edges of the mounting frame 310 are provided with a first mounting portion 314 for mounting the filter assembly 33.
  • the first mounting portion 314 is formed to extend outward from both side edges of the mounting bracket 310.
  • the cover plate 32 is provided with a mesh ventilation surface, and the second mounting portion 321 corresponding to the first mounting portion 314 is disposed on both sides of the cover plate 32.
  • the first mounting portion 314 and the second mounting portion 321 are respectively provided with through holes on the surface thereof, and the bolts are sequentially passed through the second mounting portion 321 and the other side cover 32 from the one side cover 32, and then tightened with a nut to achieve heat dissipation. Assembly of the device.
  • the color wheel assembly 10 can also be other forms of heat sources suitable for air cooling.
  • the compact dustproof heat dissipating device and the projection device provided by the utility model adopt a symmetrical structure with a filter which is centered on the two-way air inlet blower and both sides are provided, so that the air flow through the inside of the color wheel assembly is larger, two The side symmetrically arranged filter not only ensures dust filtering when entering the wind, but also prevents the dust from flowing back into the color wheel cavity by the air outlet duct in the non-working state; the symmetrical structure of the two-way air inlet ensures the heat dissipation of the color wheel In the case of the effect, the layout of the entire dustproof heat sink is made more compact, and the internal space of the device is saved.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Abstract

一种紧凑型防尘散热装置及投影装置，其中紧凑型防尘散热装置包括：与热源进风风道（11）联通的鼓风机组件（31），设置于所述鼓风机组件（31）两侧的盖板（32），及设置于盖板（32）与所述鼓风机组件（31）之间的过滤器组件（33），其中，鼓风机组件（31）包括一双向进风的鼓风机（310），用于固定所述鼓风机（310）的安装架（311）；所述鼓风机（310）两侧均设有所述过滤器组件（33）。紧凑型防尘散热装置采用以双向进风鼓风机（310）为中心，两侧均设有过滤器组件（33）的对称结构，使得通过色轮模组（10）内部的气流更大，两侧对称设置的过滤器组件（33）既保证了进风时滤掉灰尘，可避免装置在非工作状态下粉尘由出风风道（12）回流进入色轮腔体；采用双向进风的对称结构，在保证色轮模组（10）散热效果的情况下，使得整个防尘散热装置布局更紧凑，节省设备内部空间。

Description

一种紧凑型防尘散热装置及投影装置 技术领域
本申请涉及一种光源装置，尤其涉及一种色轮散热结构及投影装置。
 背景技术
现有的激光投影装置主要采用激光激发荧光色轮的技术来产生彩色光序列。投影装置使激光光源在照射荧光色轮时，色轮上的波长转换材料会把激发光转换成受激光，该过程激发光的部分能量会转换成热量被色轮表面材料吸收，从而引起荧光粉温度升高，效率降低。另外，色轮在高速旋转时会吸附周围空气中的粉尘，粉尘附着显然也会使荧光粉效率降低。因此有必要对色轮进行防尘和散热处理。
技术问题
现有的散热防尘装置，如图1所示，包括与色轮模组1通过管道联通的防尘散热模组。其中，防尘散热模组由外到内依次包含外保护盖21、初效过滤器22、压盖23、高效过滤器a24、高效过滤器b25、鼓风机26、进风风道27、出风风道28。现有的散热防尘方式，进出风过滤器并排布局占用较大地方，且鼓风机为单面进风，进风时只有高效过滤器b25起到进风过滤的作用，高效过滤器a24几乎闲置，整个过滤设备进风量小，散热效果差且占用空间大。
 技术解决方案
本实用新型提供一种紧凑型防尘散热装置，诣在解决现有色轮散热装置散热效率低，占用空间大等问题。
一种紧凑型防尘散热装置，包括：与热源进风风道联通的鼓风机组件，设置于所述鼓风机组件两侧的盖板，及设置于所述盖板与所述鼓风机组件之间的过滤器组件，其中，所述鼓风机组件包括一双向进风的鼓风机，用于固定所述鼓风机的安装架；所述鼓风机两侧均设有所述过滤器组件。
所述的紧凑型防尘散热装置，其中，所述安装架顶部设有用于排风的排风隔仓，底部设有用于收容所述鼓风机的进风隔仓；所述排风隔仓与所述热源的出风风道联通，所述鼓风机出风口与所述热源进风风道联通。
所述的紧凑型防尘散热装置，其中，所述过滤器组件设置于安装架两侧，并覆盖进风隔仓的进风口及排风隔仓的出风口。
所述的紧凑型防尘散热装置，其中，所述过滤器组件于所述鼓风机两侧相对称的各设置一组，所述每组过滤器组件包括重叠设置的高效过滤器及初效过滤器。
所述的紧凑型防尘散热装置，其中，所述过滤器组件的高效过滤器位于临近所述鼓风机的一侧设置。
所述的紧凑型防尘散热装置，其中，所述高效过滤器表面分别设有与所述进风隔仓相对应的进风过滤区，及与所述排风隔舱相对应的排风过滤区。
所述的紧凑型防尘散热装置，其中，所述安装架两侧边缘均设有向外侧延伸、构成用于固定所述过滤器组件的第一安装部。
所述的紧凑型防尘散热装置，其中，所述盖板设有网状通风面，所述盖板两侧设有与所述第一安装部相对应的第二安装部。
所述的紧凑型防尘散热装置，其中，所述进风隔仓截面面积大于所述排风隔仓。
一种投影装置，其中，所述投影装置包括以上所述的紧凑型防尘散热装置，所述热源为色轮组件。
 有益效果
本实用新型所给出的紧凑型防尘散热装置及投影装置，采用以双向进风鼓风机为中心，两侧均设有过滤器的对称结构，使得通过色轮组件内部的气流更大，两侧对称设置的过滤器既保证了进风时滤掉灰尘，又可避免装置在非工作状态下粉尘由导出风道回流进入色轮腔体；采用双向进风的对称结构，在保证色轮散热效果的情况下，使得整个防尘散热装置布局更紧凑，节省设备内部空间。
 附图说明
图1为现有技术中防尘散热装置的结构示意图；
图2为本实用新型实施例中紧凑型防尘散热装置的结构示意。
 本发明的最佳实施方式
下面通过具体实施方式结合附图对本申请作进一步详细说明。
本实用新型设涉及一种投影装置，该投影装置，通过激光光源发射激光激发荧光色轮的技术来产生彩色光序列。而该类产品随着色轮组件内光源输出光功率的提高，色轮上的热功耗也随之上升，若色轮组件的散热问题不能很好的解决，会极大降低荧光粉受激发光的效率，甚至导致色轮本身的损坏。因而，投影装置的色轮组件需要单独配备对应的散热装置，对其进行散热降温。
本实施例所提供的一种投影装置，包括色轮组件，及与该色轮组件配套的紧凑型防尘散热装置，如图2所示，包括：与色轮模组10的进风风道11联通的鼓风机组件31，设置于鼓风机组件31两侧的盖板32，及设置于所述盖板32与鼓风机组件31之间的过滤器组件33，鼓风机组件31包括一双向进风的鼓风机310，用于固定鼓风机310的安装架311；鼓风机310两侧均设有用于过滤气体的过滤器组件33。其中，盖板32于鼓风机组件31两侧各设置一个。
进一步地，如图2所示，安装架311顶部设有用于排风的排风隔仓312，底部设有用于收容鼓风机310的进风隔仓313；排风隔仓312与色轮模组10的出风风道12联通，鼓风机310出风口与色轮模组10的进风风道11联通。进风隔仓313及排风隔仓312均为两侧开口的筒形结构，由于鼓风机310为双向进风型，进风隔仓313两侧均向内进风。而色轮模组10的散热效果取决于进风风量的大小，为了使得气流流量更大，进风隔仓313截面面积设计为大于所述排风隔仓312。进风隔仓313及排风隔仓312表面均设有安装孔，进风风道11及出风风道12均为联通色轮组件10的管道，二者均与色轮组件10联通；进风风道11另一端通过进风隔仓313侧面的安装孔与进风隔仓313内的鼓风机310出风口联通，出风风道12另一端通过排风隔仓312上表面的安装孔与排风隔仓312联通。
过滤器组件33设置于安装架311侧面，并覆盖进风隔仓313的进风口及排风隔仓312的出风口。过滤器组件33于所述鼓风机310两侧相对称的各设置一组，每组过滤器组件33包括高效过滤器331及初效过滤器332。过滤器组件33的高效过滤器331位于临近所述鼓风机310的一侧，所述高效过滤器331位于进风隔仓313两侧覆盖进风隔仓313的进风口，高效过滤器331外侧为与其重叠设置的低效过滤器332。所述高效过滤器331表面分别设有与所述进风隔仓313相对应的进风过滤区333，及与排风隔仓312相对应的排风过滤区334。这样，当鼓风机310运行时，气流由两侧的盖板32进入，通过初效过滤器332进行初步过滤，再经高效过滤器331的进风过滤区333再次过滤后经进风风道11进入色轮组件10，经过与色轮组件10内部热源进行热交换后，热空气由出风风道12排入排风隔仓312，并通过排风过滤区334向外排出。高效过滤器332的排风过滤区334可避免装置在非工作状态下，粉尘从出风风道回流进入色轮腔体。
进一步地，安装架310两侧边缘均设有用于安装过滤器组件33的第一安装部314，第一安装部314由安装架310两侧边缘向外侧延伸形成。盖板32设有网状通风面，盖板32两侧设有与所述第一安装部314相对应的第二安装部321。第一安装部314及第二安装部321表面均设有通孔，将螺栓由一侧盖板32起依次经过第二安装部321及另一侧盖板32，再用螺母打紧即可实现散热装置的组装。
在本实施例中，仅以色轮模组10为例，当然，色轮组件10也可以是其他形式的适合风冷的热源。本实用新型所给出的紧凑型防尘散热装置及投影装置，采用以双向进风鼓风机为中心，两侧均设有过滤器的对称结构，使得通过色轮组件内部的气流流量更大，两侧对称设置的过滤器既保证了进风时滤掉灰尘，可避免装置在非工作状态下粉尘由出风风道回流进入色轮腔体；采用双向进风的对称结构，在保证色轮散热效果的情况下，使得整个防尘散热装置布局更紧凑，节省设备内部空间。
以上内容是结合具体的实施方式对本申请所作的进一步详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请发明构思的前提下，还可以做出若干简单推演或替换。

Claims (10)

1. 一种紧凑型防尘散热装置，包括：与热源进风风道联通的鼓风机组件，设置于所述鼓风机组件两侧的盖板，及设置于所述盖板与所述鼓风机组件之间的过滤器组件，其特征在于，所述鼓风机组件包括一双向进风的鼓风机，用于固定所述鼓风机的安装架；所述鼓风机两侧均设有所述过滤器组件。
2. 如权利要求1所述的紧凑型防尘散热装置，其特征在于，所述安装架顶部设有用于排风的排风隔仓，底部设有用于收容所述鼓风机的进风隔仓；所述排风隔仓与所述热源出风风道联通，所述鼓风机出风口与所述热源进风风道联通。
3. 如权利要求2所述的紧凑型防尘散热装置，其特征在于，所述过滤器组件设置于安装架两侧，并覆盖进风隔仓的进风口及排风隔仓的出风口。
4. 如权利要求3所述的紧凑型防尘散热装置，其特征在于，所述过滤器组件于所述鼓风机两侧相对称的各设置一组，所述每组过滤器组件包括重叠设置的高效过滤器及初效过滤器。
5. 如权利要求4所述的紧凑型防尘散热装置，其特征在于，所述过滤器组件的高效过滤器于临近所述鼓风机的一侧设置。
6. 如权利要求5所述的紧凑型防尘散热装置，其特征在于，所述高效过滤器表面分别设有与所述进风隔仓相对应的进风过滤区，及与所述排风隔舱相对应的排风过滤区。
7. 如权利要求1-6任意一项所述的紧凑型防尘散热装置，其特征在于，所述安装架两侧边缘均设有向外侧延伸、构成用于固定所述过滤器组件的第一安装部。
8. 如权利要求2所述的紧凑型防尘散热装置，其特征在于，所述进风隔仓截面面积大于所述排风隔仓。
9. 如权利要求7所述的紧凑型防尘散热装置，其特征在于，所述盖板设有网状通风面，所述盖板两侧设有与所述第一安装部相对应的第二安装部。
10. 一种投影装置，其特征在于，所述投影装置包括权利要求1-9任意一项所述的紧凑型防尘散热装置，所述热源为色轮组件。
PCT/CN2016/104628 2015-11-04 2016-11-04 一种紧凑型防尘散热装置及投影装置 WO2017076337A1 (zh)

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