CN105487328A - Dustproof cover for color wheel and light-gathering cavity of projector - Google Patents
Dustproof cover for color wheel and light-gathering cavity of projector Download PDFInfo
- Publication number
- CN105487328A CN105487328A CN201511035098.5A CN201511035098A CN105487328A CN 105487328 A CN105487328 A CN 105487328A CN 201511035098 A CN201511035098 A CN 201511035098A CN 105487328 A CN105487328 A CN 105487328A
- Authority
- CN
- China
- Prior art keywords
- cover
- laser pump
- projector
- pump cavity
- cavity
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- G03B21/145—Housing details, e.g. position adjustments thereof
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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
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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
-
- 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
- G03B21/2086—Security or safety means in lamp houses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a dustproof cover for a color wheel and a light-gathering cavity of a projector. The dustproof cover comprises a front shell, a rear shell and a cover board, wherein a light through hole matched with the light-gathering cavity in shape is formed in the front shell; a round hole matched with the light-gathering cavity in shape is formed in the rear shell; the rear shell is arranged on a main body of a bare engine; the front shell is arranged on the rear shell; the cover board is arranged at the upper parts of the rear shell and the front shell; the front shell, the rear shell and the cover board form an air-tight cavity; and the color wheel component and the light-gathering cavity component are sealed in the air-tight cavity. The front shell, the rear shell and the cover board form the air-tight cavity, so that the color wheel component and the light-gathering cavity component can be effectively protected; and a light path system is prevented from being polluted.
Description
Technical field
The present invention relates to a kind of projector accessory, particularly relate to the colour wheel of projector and the dust cover of laser pump cavity.
Background technology
Current projector particularly DLP projector applications is extensive, because projector all adopts fan to force air intake to improve radiating efficiency usually, brings the dust in outside air into projector inside like this with regard to easy; The critical component of color block component and laser pump cavity assembly Jun Shi projector, entering of dust can pollute color block component and laser pump cavity assembly, thus pollution light path system, the picture that projector is shown occurs that color colour cast and uniformity coefficient decline, and the deposition of dust also can affect the stability of colour wheel rotation and inductive head, finally causes projector's display frame to occur flicker, the ill effects such as colour cast, operation troubles rate is raised, and serviceable life shortens, and finally causes projector's cisco unity malfunction.
Application number is CN2013201199362, name is called the utility model application of " a kind of dustproof cover for projector color wheel ", propose a kind of colour wheel dust cover, comprise the aluminium alloy cover body that can cover colour wheel, described aluminium alloy cover body has the curved portions and square department that match with colour wheel profile, and described aluminium alloy cover body is connected with emergent positioned internal.
But above-mentioned application can only be used for the dust-proof of colour wheel, and can not dust-proof simultaneously for laser pump cavity assembly.
Summary of the invention
For overcoming the shortcoming of prior art, the present invention proposes a kind of colour wheel of projector and the dust cover of laser pump cavity, for solving the dust-proof problem of colour wheel and laser pump cavity, also can play thermolysis to colour wheel and laser pump cavity simultaneously.
Technical scheme of the present invention is such:
The colour wheel of projector and a dust cover for laser pump cavity, comprise fore shell, back cover and cover plate, wherein said fore shell is provided with the light hole matched with laser pump cavity profile, and described back cover is provided with the circular port matched with laser pump cavity profile; Described back cover is installed in optical machine main body, and described fore shell is installed on described back cover, and described cover plate is installed on above described back cover and fore shell; Described fore shell, back cover and cover plate form a closed cavity, by color block component and laser pump cavity module enclosure in closed cavity.Described color block component comprises the assemblies such as colour wheel, inductive head, colour wheel motor, colour wheel support; Described laser pump cavity assembly comprises the assemblies such as laser pump cavity, laser pump cavity cover, laser pump cavity lid, laser pump cavity fixed mount, laser pump cavity anti-dazzling screen.
Further, described back cover is provided with fillet, described fillet place is provided with radiating fin.
Further, described cover plate is provided with radiating fin, the radiating fin on the scattering fin at described fillet place and cover plate has hollow cavity.
Further, around the light hole that described fore shell matches with laser pump cavity profile, be provided with square deep gouge, described square deep gouge is provided with cover glass.
Closer, described cover glass UV glue is pasted on described square deep gouge place.
Further, described closed cavity outside is provided with a vortex flow fan, and the air outlet of described vortex flow fan connects the corresponding air inlet of described back cover, and described air inlet is provided with inclined-plane.Wind can be imported to described closed cavity by described inclined-plane better.
Further, in described closed cavity, be provided with multiple wind deflector, for guiding the air circulation in closed cavity better.
Further, described inclined-plane is provided with air quantity diversion countervane, and described air quantity diversion countervane and described back cover are formed in one structure, for directly led by the wind of vortex flow fan color block component and laser pump cavity assembly.
Further, described fore shell, back cover and cover plate are the fore shell of aluminum alloy material, back cover and cover plate.
Beneficial effect of the present invention is, back cover of the present invention, fore shell and cover plate form a closed cavity, can effectively protect colour wheel and laser pump cavity, avoid light path system to be polluted.
Accompanying drawing explanation
Fig. 1 is the wiring layout of one embodiment of the present of invention;
Fig. 2 is the front casing structure schematic diagram of one embodiment of the present of invention;
Fig. 3 is the structural representation of the cover plate of one embodiment of the present of invention;
Fig. 4, Fig. 5 are the structural representations of the back cover of one embodiment of the present of invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the colour wheel of a kind of projector of the present invention and the dust cover of laser pump cavity, comprise fore shell 1, back cover 2 and cover plate 3, wherein said fore shell 1 is provided with the light hole matched with laser pump cavity 5 profile, described back cover 2 is provided with the circular port matched with laser pump cavity 5 profile; Described back cover 1 is installed in optical machine main body 4, and described fore shell 1 is installed on described back cover 2, and described cover plate 3 is installed on described back cover 2 and fore shell 1; Described fore shell 1, back cover 2 and cover plate 3 form a closed cavity, color block component 6 and laser pump cavity assembly 5 are enclosed in closed cavity.
As shown in Figure 3 and Figure 4, described back cover 2 is provided with fillet.Fillet place on described back cover 2 and described cover plate 3 all can be provided with radiating fin, radiating fin has hollow cavity.Hollow cavity in local enhancement air circulation, can enhance heat-sinking capability.Radiating fin improves the radiating efficiency of closed cavity, has effect preferably for the temperature reducing closed cavity.
As shown in Figure 2, the light hole place that described fore shell 1 matches with laser pump cavity profile is provided with square deep gouge, square deep gouge place is provided with cover glass 7.Described cover glass 7 is pasted on the light hole place that fore shell 1 matches with laser pump cavity 5 profile by UV glue, prevent dust from entering described closed cavity from light hole.
As a good embodiment of the present invention, be provided with inclined-plane 10 (as shown in Figure 5) at air inlet 10 place, import to closed cavity for the wind produced by vortex flow fan 8; Coordinate the air outlet 11 that described back cover 2 is as shown in Figure 5 arranged, recirculating air can be formed in closed cavity, and produce blast, good thermolysis can be played.Usually, multiple wind deflector 9 in described closed cavity, can be provided with, for guiding the air circulation in closed cavity better.Described wind deflector 9 is stainless steel, and after impact briquetting, form the part of band corner, available screw is connected to closed cavity or is welded on closed cavity.In addition, also rear, the inclined-plane place of described air inlet can be provided with air quantity diversion countervane, described air quantity diversion guide plate and described back cover 2 one-body molded, replace the effect of wind deflector 9, directly lead wind colour wheel and inductive head and laser pump cavity assembly.The setting of vortex flow fan, strengthens colour wheel motor, the heat radiation of inductive head and laser pump cavity assembly, reduces the temperature of each component operation environment, extends the serviceable life of projector.
Described fore shell 1, back cover 2 and cover plate 3 can take aluminum alloy material.Aluminum alloy material radiating efficiency is high, coordinates the fin on back cover 2 and cover plate 3, can effectively dispel the heat to the vitals in closed cavity.
In addition, colour wheel 6 and laser pump cavity 5 are positioned at same closed cavity, form a module, are convenient to assembling, test and maintenance.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. the colour wheel of projector and a dust cover for laser pump cavity, is characterized in that, comprises fore shell, back cover and cover plate, wherein said fore shell is provided with the light hole matched with laser pump cavity profile, and described back cover is provided with the circular port matched with laser pump cavity profile; Described back cover is installed in optical machine main body, and described fore shell is installed on described back cover, and described cover plate is installed on above described back cover and fore shell; Described fore shell, back cover and cover plate form a closed cavity, by color block component and laser pump cavity module enclosure in closed cavity.
2. the colour wheel of projector as claimed in claim 1 and the dust cover of laser pump cavity, it is characterized in that, described back cover is provided with fillet, described fillet place is provided with radiating fin.
3. the colour wheel of projector as claimed in claim 2 and the dust cover of laser pump cavity, is characterized in that, described cover plate is provided with radiating fin, and the radiating fin on the scattering fin at described fillet place and cover plate has hollow cavity.
4. the colour wheel of projector as claimed in claim 1 and the dust cover of laser pump cavity, is characterized in that, be provided with square deep gouge around the light hole that described fore shell matches with laser pump cavity profile, described square deep gouge is provided with cover glass.
5. the colour wheel of projector as claimed in claim 4 and the dust cover of laser pump cavity, it is characterized in that, described cover glass UV glue is pasted on described square deep gouge place.
6. the colour wheel of projector as claimed in claim 1 and the dust cover of laser pump cavity, it is characterized in that, described closed cavity outside is provided with a vortex flow fan, and the air outlet of described vortex flow fan connects the corresponding air inlet of described back cover, and described air inlet is provided with inclined-plane.
7. the colour wheel of projector as claimed in claim 6 and the dust cover of laser pump cavity, is characterized in that, be provided with multiple wind deflector in described closed cavity.
8. the colour wheel of projector as claimed in claim 6 and the dust cover of laser pump cavity, it is characterized in that, the rear, inclined-plane at described rear is provided with air quantity diversion countervane, described air quantity diversion countervane and described back cover one-body molded.
9. the colour wheel of the projector as described in any one in claim 1-8 and the dust cover of laser pump cavity, is characterized in that, described fore shell, and back cover and cover plate are the fore shell of aluminum alloy material, back cover and cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035098.5A CN105487328A (en) | 2015-12-31 | 2015-12-31 | Dustproof cover for color wheel and light-gathering cavity of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035098.5A CN105487328A (en) | 2015-12-31 | 2015-12-31 | Dustproof cover for color wheel and light-gathering cavity of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105487328A true CN105487328A (en) | 2016-04-13 |
Family
ID=55674397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511035098.5A Pending CN105487328A (en) | 2015-12-31 | 2015-12-31 | Dustproof cover for color wheel and light-gathering cavity of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105487328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597783A (en) * | 2016-12-30 | 2017-04-26 | 苏州佳世达光电有限公司 | Projector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060170876A1 (en) * | 2005-02-02 | 2006-08-03 | Funai Electric Co., Ltd. | Projector |
| CN101256342A (en) * | 2007-02-28 | 2008-09-03 | 明基电通股份有限公司 | Projector |
| JP2008305712A (en) * | 2007-06-08 | 2008-12-18 | Casio Comput Co Ltd | Light source device and projector |
| CN201562114U (en) * | 2009-10-09 | 2010-08-25 | 联想(北京)有限公司 | Projector |
| CN102937773A (en) * | 2011-12-02 | 2013-02-20 | 深圳市光峰光电技术有限公司 | Light source device and projecting device using same |
| CN103149782A (en) * | 2013-03-15 | 2013-06-12 | 宗鸿电子科技（昆山）有限公司 | Dustproof cover for projector color wheel |
| CN205563054U (en) * | 2015-12-31 | 2016-09-07 | 广州市晶华精密光学股份有限公司 | Colour wheel of projector and condensing chamber 's dust cover |
-
2015
- 2015-12-31 CN CN201511035098.5A patent/CN105487328A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060170876A1 (en) * | 2005-02-02 | 2006-08-03 | Funai Electric Co., Ltd. | Projector |
| CN101256342A (en) * | 2007-02-28 | 2008-09-03 | 明基电通股份有限公司 | Projector |
| JP2008305712A (en) * | 2007-06-08 | 2008-12-18 | Casio Comput Co Ltd | Light source device and projector |
| CN201562114U (en) * | 2009-10-09 | 2010-08-25 | 联想(北京)有限公司 | Projector |
| CN102937773A (en) * | 2011-12-02 | 2013-02-20 | 深圳市光峰光电技术有限公司 | Light source device and projecting device using same |
| CN103149782A (en) * | 2013-03-15 | 2013-06-12 | 宗鸿电子科技（昆山）有限公司 | Dustproof cover for projector color wheel |
| CN205563054U (en) * | 2015-12-31 | 2016-09-07 | 广州市晶华精密光学股份有限公司 | Colour wheel of projector and condensing chamber 's dust cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597783A (en) * | 2016-12-30 | 2017-04-26 | 苏州佳世达光电有限公司 | Projector |
| CN106597783B (en) * | 2016-12-30 | 2020-07-14 | 苏州佳世达光电有限公司 | Projector with a light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170112 Address after: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Applicant after: Guangzhou Crystal Photoelectric Technology Co., Ltd. Address before: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Applicant before: GUANGZHOU JINGHUA PRECISION OPTICS CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
|
| RJ01 | Rejection of invention patent application after publication |