CN102566222A - Projector and dust collection module - Google Patents
Projector and dust collection module Download PDFInfo
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- CN102566222A CN102566222A CN2010106090893A CN201010609089A CN102566222A CN 102566222 A CN102566222 A CN 102566222A CN 2010106090893 A CN2010106090893 A CN 2010106090893A CN 201010609089 A CN201010609089 A CN 201010609089A CN 102566222 A CN102566222 A CN 102566222A
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- shell
- perforate
- projector
- precipitator
- dust
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Abstract
The invention relates to a projector and a dust collection module. The projector comprises a housing, an optical and mechanical module, a projection lens and the dust collection module. The housing is provided with an opening. The optical and mechanical module is arranged in the housing. The projection lens is arranged on the housing in a detachable mode and is exposed by the opening. The dust collection module comprises a micros switch and an electrostatic precipitator. The micro switch is arranged on the projection lens. The electrostatic precipitator is arranged in the housing and is abutted against the micro switch. When the projection lens is disassembled from the opening, the micro switch is shifted from the electrostatic precipitator to drive the electrostatic precipitator and generate static electricity.
Description
[technical field]
The invention relates to a kind of optical device and control of dust module thereof, and particularly relevant for a kind of projector and control of dust module thereof.
[background technology]
Projector is a kind of in order to produce the display device of large scale picture.The image-forming principle of projector is that the illuminating bundle that light source module is produced converts image strip to by light valve, again with image strip through projection lens projects on screen or the metope to form image.Along with the progress of shadow casting technique and the reduction of manufacturing cost, the use of projector is expanded to domestic use from commercial use gradually.
In detail, projector has bare engine module, and it comprises optical mirror slip, (Digital mirror Device DMD) waits accurate optical element to DMD Digital Micromirror Device.The projector of some high-orders is designed to replaceable projection lens; Change in the process of projection lens the user; Bare engine module in the projector can temporarily be exposed because of the removal of projection lens; Make the dust in the external world get into projector inside easily and be attached at the optical element in the bare engine module, and influence the projection quality of projector.
Jap.P. numbering JP 2007-208397 discloses a kind of photoelectric conversion device with collecting plate, and its collecting plate is designed to removable in order to promote dust collecting effect.TaiWan, China patent number TW200717163 discloses a kind of projector with dust arrester, utilizes the vibrations of shaking device to remove the dust on the dust arrester.TaiWan, China patent number TW 200921245 discloses a kind of automatic dust removing apparatus, by the vibrations part dust on the optical mirror slip is shaken off.
[summary of the invention]
The present invention proposes a kind of projector, and its control of dust module can be activated when projection lens is dismantled and carry out control of dust.
The present invention proposes a kind of control of dust module, can when projection lens is dismantled, be activated and carries out control of dust.
Other purposes of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching one of above-mentioned or partly or all purposes or other purposes, one of the present invention embodiment provides a kind of projector, comprises shell, bare engine module, projection lens and control of dust module.Shell has opening.Bare engine module is disposed in the shell.Projection lens removably is disposed at shell and is exposed by opening.The control of dust module comprises microswitch (micro switch) and precipitator.Microswitch is arranged on the projection lens.Precipitator is arranged in the shell and props up microswitch.When from opening dismounting projection lens, microswitch moves apart precipitator and drives precipitator and produce static.
Described projector, wherein, this precipitator comprises:
One collecting plate; And
One circuit board is electrically connected at this collecting plate and is used to prop up this microswitch.
Described projector; Wherein, This shell has one first perforate and one second perforate; This precipitator is between this first perforate and this second perforate, and when an air-flow left this shell through this first perforate this shell of entering and through this second perforate, the dust on this precipitator was suitable for along with this air-flow leaves this shell.
Described projector, wherein, this shell has two lids, is used for covering respectively this first perforate and this second perforate.
Described projector, wherein, respectively the material of this lid is a rubber.
Described projector, wherein, this second perforate is the louvre of this projector.
For reaching one of above-mentioned or partly or all purposes or other purposes, one of the present invention embodiment provides a kind of control of dust module, is applicable to projector.Projector comprises shell, bare engine module and projection lens, and shell has opening, and bare engine module is disposed in the shell, and projection lens removably is disposed at shell and is exposed by opening.The control of dust module comprises microswitch and precipitator.Microswitch is arranged on the projection lens.Precipitator is arranged in the shell and props up microswitch.When from opening dismounting projection lens, microswitch moves apart precipitator and drives precipitator and produce static.
Described control of dust module, wherein, this precipitator comprises:
One collecting plate; And
One circuit board is electrically connected at this collecting plate and is used to prop up this microswitch.
Described control of dust module, wherein, this bare engine module comprises numerical digit micro mirror wafer, Zooming-projection camera lens and optical mirror slip.
Described control of dust module; Wherein, This shell has one first perforate and one second perforate; This precipitator is between this first perforate and this second perforate, and when an air-flow left this shell through this first perforate this shell of entering and through this second perforate, the dust on this precipitator was suitable for along with this air-flow leaves this shell.
Based on above-mentioned, in the above embodiment of the present invention, microswitch is arranged at projection lens and is propped up by precipitator.By this; When the user with projection lens when projector pulls down; Precipitator can be driven and produced static by moving apart of microswitch; So that dust in air is adsorbed in precipitator, it is inner and be attached to the optical element in the ray machine module to avoid dust in changing the process of projection lens, to get into projector.
For let state feature and advantage on the present invention can be more obviously understandable, hereinafter is special lifts a plurality of embodiment, and cooperates appended graphicly, elaborates as follows.
[description of drawings]
Fig. 1 is the stereographic map of the projector of one embodiment of the invention.
Fig. 2 is located away from the stereographic map of shell for the projection lens of Fig. 1.
Fig. 3 is the partial component explosive view of the projector of Fig. 1.
Fig. 4 is the calcspar of the control of dust module of Fig. 1.
Fig. 5 is the synoptic diagram of the projector of another embodiment of the present invention.
Fig. 6 is the partial perspective view of shell and the collecting plate of Fig. 5.
100,200: projector
110,210: shell
112: opening
120: projection lens
130,230: bare engine module
132: optical element
134: numerical digit micro mirror wafer
140: the control of dust module
142: microswitch
144,244: precipitator
144a, 244a: collecting plate
144b: circuit board
Perforate in 212: the first
Perforate in 214: the second
216,218: lid
P: flow path
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to graphic a plurality of embodiment, can clearly appear.The direction term of being mentioned in following examples, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to annexed drawings.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the present invention.
Fig. 1 is the stereographic map of the projector of one embodiment of the invention.Fig. 2 is located away from the stereographic map of shell for the projection lens of Fig. 1.Please refer to Fig. 1 and Fig. 2, the projector 100 of present embodiment comprises shell 110 and projection lens 120.Shell 110 has opening 112.Projection lens 120 removably is disposed at shell 110 and is exposed by opening 112.When user's desire is changed projection lens 120, can as shown in Figure 2 projection lens 120 be pulled down from shell 110.
Fig. 3 is the partial component explosive view of the projector of Fig. 1.Fig. 4 is the calcspar of the control of dust module of Fig. 1.Please refer to Fig. 2, Fig. 3 and Fig. 4, projector 100 more comprises bare engine module 130 and control of dust module 140.Bare engine module 130 is disposed in the shell 110.Control of dust module 140 comprises microswitch 142 and precipitator 144.Microswitch 142 is arranged on the projection lens 120, and precipitator 144 is arranged in the shell 110.When projection lens 120 is as shown in Figure 1 when being installed on the opening part 112 of projector 100, microswitch 142 can be propped up by precipitator 144.As shown in Figure 2 when opening 112 is removed when projection lens 120, microswitch 142 can produce static along with projection lens 120 move apart precipitator 144 and drive precipitator 144.
Configuration mode when user's desire is changed the projection lens 120 of projector 100, can be pulled down projection lens 120 from projector 100 by this, lets microswitch 142 along with camera lens 120 moves apart precipitator 144, produces static to drive precipitator 144.When precipitator 144 produced static, dust in air can be adsorbed in precipitator 144, was attached at bare engine module 130 to avoid dust in the process of changing projection lens 120, to get into projector 100 inside.Bare engine module 130 comprises optical element 132 and numerical digit micro mirror wafer (Digital mirror Device; DMD) 134 precision elements such as grade; By the dust collecting effect of control of dust module 140, can make extraneous dust be difficult for being attached to these precision elements and the projection quality that influences projector 100.
Please refer to Fig. 4, in detail, the precipitator 140 of present embodiment comprises collecting plate 144a and circuit board 144b.Circuit board 144b is electrically connected at collecting plate 144a and is used to prop up microswitch 142.When microswitch 142 moved apart circuit board 144b, the circuit board 144b generation static and the static that circulates were to collecting plate 144a, so that the dust in the collecting plate 144a absorbed air.
Fig. 5 is the synoptic diagram of the projector of another embodiment of the present invention.Fig. 6 is the partial perspective view of shell and the collecting plate of Fig. 5.Please refer to Fig. 5 and Fig. 6, for conveniently removing the dust on the collecting plate 244a that is adsorbed in precipitator 244, the shell 210 of present embodiment has first perforate 212 and second perforate 214.Collecting plate 244a is between first perforate 212 and second perforate 214.When air-flow left shell 210 through first perforate, 212 entering shells 210 and through second perforate 214, the dust on the collecting plate 244a was used for along with air-flow leaves shell 210.Configuration mode by this, the user can see through first perforate 212 by suitable blowning installation remove the dust on the collecting plate 244a with air-flow, and dust can leave shell 210 along with air-flow sees through second perforate 214.
In configuration; Can bare engine module 230 be set to away from first perforate 212 and second perforate 214; Make the flow path P of said air-flow can not pass through bare engine module 230, brought to bare engine module 230 by air-flow and the optical element of attaching bare engine module 230 to avoid the dust on the collecting plate 244a.
In addition, as shown in Figure 6, the shell 210 of present embodiment has lid 216 and lid 218.Lid 216 and lid 218 are used for covering respectively first perforate 212 and second perforate 214.Desirable lower cover 216 of user and lid 218 are in order to the removing of dust of carrying out on the collecting plate 244a; And then lid 216 and lid 218 be covered in first perforate 212 and second perforate 214 respectively, get in the shells 210 and be attached at the optical element in the shell to avoid dust to see through first perforate 212 and second perforate 214.
In the present embodiment, the material of lid 216 and lid 218 for example is a rubber, with its elastic deformation characteristic of mat first perforate 212 and second perforate 214 is sealed.Right the present invention does not limit the material of lid 216 and lid 218, and it also can be other suitable material.In addition, in other embodiments, second perforate 214 also can be the louvre of being located at shell 210, makes second perforate 214 have heat radiation and the function that removes dust concurrently, saves the configuration space on the shell 210.
In sum, in the above embodiment of the present invention, microswitch is arranged at projection lens and is propped up by precipitator.By this; When the user with projection lens when projector pulls down; Precipitator moves apart by driving and generating static because of microswitch, with so that dust in air is adsorbed in precipitator, avoids dust in the process of changing projection lens, to get into projector inside and is attached at bare engine module.In addition, can perforate be set, see through perforate and remove the dust on the collecting plate by air-flow in shell.
The above; Be merely the present invention's preferred embodiment; When the scope that can not limit the present invention's enforcement with this, promptly change and modification according to claim of the present invention and the simple equivalent done of invention description generally, all still belong in the scope that patent of the present invention contains.In addition, arbitrary embodiment of the present invention or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.
Claims (10)
1. projector comprises:
One shell has an opening;
One bare engine module is disposed in this shell;
One projection lens removably is disposed at this shell and is exposed by this opening; And
One control of dust module comprises:
One microswitch is arranged on this projection lens; And
One precipitator is arranged in this shell and props up this microswitch, and wherein when from this this projection lens of opening dismounting, this microswitch moves apart this precipitator and drives this precipitator generation static.
2. projector as claimed in claim 1, wherein, this precipitator comprises:
One collecting plate; And
One circuit board is electrically connected at this collecting plate and is used to prop up this microswitch.
3. projector as claimed in claim 1; Wherein, This shell has one first perforate and one second perforate; This precipitator is between this first perforate and this second perforate, and when an air-flow left this shell through this first perforate this shell of entering and through this second perforate, the dust on this precipitator was suitable for along with this air-flow leaves this shell.
4. projector as claimed in claim 3, wherein, this shell has two lids, is used for covering respectively this first perforate and this second perforate.
5. projector as claimed in claim 3, wherein, respectively the material of this lid is a rubber.
6. projector as claimed in claim 3, wherein, this second perforate is the louvre of this projector.
7. a control of dust module is used for a projector, and this projector comprises a shell, a bare engine module and a projection lens; This shell has an opening; This bare engine module is disposed in this shell, and this projection lens removably is disposed at this shell and is exposed by this opening, and this control of dust module comprises:
One microswitch is arranged at this projection lens; And
One precipitator is disposed in this shell and props up this microswitch, and wherein when from this this projection lens of opening dismounting, this microswitch moves apart this precipitator and drives this precipitator generation static.
8. control of dust module as claimed in claim 7, wherein, this precipitator comprises:
One collecting plate; And
One circuit board is electrically connected at this collecting plate and is used to prop up this microswitch.
9. control of dust module as claimed in claim 7, wherein, this bare engine module comprises numerical digit micro mirror wafer, Zooming-projection camera lens and optical mirror slip.
10. control of dust module as claimed in claim 7; Wherein, This shell has one first perforate and one second perforate; This precipitator is between this first perforate and this second perforate, and when an air-flow left this shell through this first perforate this shell of entering and through this second perforate, the dust on this precipitator was suitable for along with this air-flow leaves this shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106090893A CN102566222A (en) | 2010-12-23 | 2010-12-23 | Projector and dust collection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106090893A CN102566222A (en) | 2010-12-23 | 2010-12-23 | Projector and dust collection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102566222A true CN102566222A (en) | 2012-07-11 |
Family
ID=46411971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106090893A Pending CN102566222A (en) | 2010-12-23 | 2010-12-23 | Projector and dust collection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102566222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545349A (en) * | 2020-04-25 | 2020-08-18 | 嘉兴鼎尚信息科技有限公司 | Self-cleaning protection mechanism of intelligent horizontal projector |
| CN114148539A (en) * | 2021-12-24 | 2022-03-08 | 浙江化工工程地质勘察院有限公司 | Surveying and mapping unmanned aerial vehicle and surveying and mapping method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201054064Y (en) * | 2007-04-20 | 2008-04-30 | 马力 | Analog DSLR capable of replacing and being compatible with lens |
| CN201054067Y (en) * | 2007-05-15 | 2008-04-30 | 四川长虹电器股份有限公司 | Projector dust-proof device |
| CN101430486A (en) * | 2007-11-09 | 2009-05-13 | 鸿富锦精密工业（深圳）有限公司 | Projector |
-
2010
- 2010-12-23 CN CN2010106090893A patent/CN102566222A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201054064Y (en) * | 2007-04-20 | 2008-04-30 | 马力 | Analog DSLR capable of replacing and being compatible with lens |
| CN201054067Y (en) * | 2007-05-15 | 2008-04-30 | 四川长虹电器股份有限公司 | Projector dust-proof device |
| CN101430486A (en) * | 2007-11-09 | 2009-05-13 | 鸿富锦精密工业（深圳）有限公司 | Projector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545349A (en) * | 2020-04-25 | 2020-08-18 | 嘉兴鼎尚信息科技有限公司 | Self-cleaning protection mechanism of intelligent horizontal projector |
| CN114148539A (en) * | 2021-12-24 | 2022-03-08 | 浙江化工工程地质勘察院有限公司 | Surveying and mapping unmanned aerial vehicle and surveying and mapping method |
| CN114148539B (en) * | 2021-12-24 | 2023-11-28 | 浙江化工工程地质勘察院有限公司 | Surveying and mapping unmanned aerial vehicle and surveying and mapping method |
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Application publication date: 20120711 |