CN107390463A - A kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity - Google Patents
A kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity Download PDFInfo
- Publication number
- CN107390463A CN107390463A CN201710750526.5A CN201710750526A CN107390463A CN 107390463 A CN107390463 A CN 107390463A CN 201710750526 A CN201710750526 A CN 201710750526A CN 107390463 A CN107390463 A CN 107390463A
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- China
- Prior art keywords
- module
- projecting apparatus
- air inlet
- shape memory
- air
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- 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.)
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Classifications
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity, including：Module, shape memory alloy module and stuck-module are blocked in projector case, air intake；Projector case offers air inlet, and the interior contact that air inlet corresponds to projector case is provided with air intake and blocks module, and air intake blocks the guide groove that the bottom of module and projector case and/or top are set and matched；Air intake blocks the size of module and matched with the size of air inlet；Shape memory alloy module, shape memory alloy module are fixedly connected on air intake and blocked between module and stuck-module；Stuck-module is fixedly installed on inside projector case with shape memory alloy module unattached portion.The present invention solves fan and the dust of surrounding air or moisture can be brought into system, the reliability of caused serious threat to electronic component and the technical problem of service life.
Description
Technical field
The present invention relates to projecting apparatus field, more particularly to a kind of device for automatically adjusting projecting apparatus air inlet air quantity and projection
Instrument.
Background technology
Projector shows in visualization digital light processing (Digital Light Procession, DLP) combination at present
Use range is very extensive in industry, from ultra high power (Ultra High Power, UHP) light source to light emitting diode
(Light-Emitting Diode, LED) light source arrives laser (Light Amplification by Stimulated again
Emission of Radiation, LASER) light source, system power dissipation more and more higher, caused heat is also more and more.It is if hot
Amount can not may result in that chip temperature is too high timely and effectively from distributing, even more than the maximum junction temperature of chip, so as to shadow
The reliability of Chinese percussion instrument part, product.
Under conditions of meeting to radiate, dust-proof, water proofing property requirement is to ensure projecting apparatus internal component or product long-life
Another important indicator.Particularly to open water cooling system, dust-proof, waterproof risk is inevitable.Many institute's weeks
Know, dust and moisture easily cause the short-circuit failure of electronic component.
Referring to Fig. 2, the principle for the forced air cooling radiating mode that projecting apparatus is commonly used is as follows:Caused by light source module R/G/B
Heat gradually passes through entering in projector 1 by being stored after cold drawing, heat pipe to fin 2, environment cold wind under the driving of fan 3
Air holes 5 enters, and is then expelled to the heat on fin outside projector by exhaust vent 4, and then realizes the effect of radiating.
The heat-removal modalities are an open the cooling system for whole system, and fan can be by the dust of surrounding air or moisture band
Enter into system, result in serious threat to the reliability of electronic component and the technical problem of service life.
The content of the invention
The invention provides a kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity, and solving fan can incite somebody to action
The dust or moisture of surrounding air are brought into system, the reliability and service life of caused serious threat to electronic component
Technical problem.
The invention provides a kind of device for automatically adjusting projecting apparatus air inlet air quantity, including：
Module, shape memory alloy module and stuck-module are blocked in projector case, air intake；
Projector case offers air inlet, and the interior contact that air inlet corresponds to projector case is provided with air intake and blocks mould
Block, and air intake blocks the guide groove that the bottom of module and projector case and/or top are set and matched；
Air intake blocks the size of module and matched with the size of air inlet；
Shape memory alloy module, shape memory alloy module be fixedly connected on air intake block module and stuck-module it
Between；
Stuck-module is fixedly installed on inside projector case with shape memory alloy module unattached portion.
Preferably, shape memory alloy module is shape memory alloy spring.
Preferably, it is cover plate that air intake, which blocks module,.
Preferably, stuck-module is corner brace connector, and the first face of corner brace connector is fixedly installed on projection by screw
In instrument shell.
Preferably, the first end of shape memory alloy spring is connected by screw with cover plate.
Preferably, the second end of shape memory alloy spring is fixedly connected with the second face of corner brace connector by screw.
Preferably, present invention also offers a kind of projecting apparatus, including projecting apparatus is automatically adjusted described in any of the above one
The device of air inlet air quantity, in addition to fin；
Automatically adjust the stuck-module and shape memory alloy module unattached portion of the device of projecting apparatus air inlet air quantity
It is fixedly connected on fin.
Preferably, a kind of projecting apparatus provided by the invention also includes blower fan；
Blower fan is correspondingly arranged with fin.
Preferably, a kind of projecting apparatus provided by the invention also includes air outlet；
Air outlet is correspondingly arranged with blower fan；
Air outlet is correspondingly arranged with fin.
Preferably, a kind of projecting apparatus provided by the invention also includes light source module, cold drawing and heat pipe；
Cold drawing is arranged on light source module；
Cold drawing is connected by heat pipe with fin；
Heat caused by light source module, transmitted after passing sequentially through cold drawing and heat pipe to fin.
From above technical scheme, the present invention has advantages below：
The invention provides a kind of device for automatically adjusting projecting apparatus air inlet air quantity, including：Projector case, air intake hide
Keep off module, shape memory alloy module and stuck-module；Projector case offers air inlet, and air inlet corresponds to projector case
Interior contact be provided with air intake and block module, and air intake blocks the bottom of module and projector case and/or top sets
Guide groove matches；Air intake blocks the size of module and matched with the size of air inlet；Shape memory alloy module, marmem
Module is fixedly connected on air intake and blocked between module and stuck-module；Stuck-module and shape memory alloy module unattached portion
It is fixedly installed on inside projector case.
In the present invention, when high temperature, shape memory alloy module is heated to produce deformation, drives air intake to block module and is being oriented to
It is subjected to displacement in groove relative to air inlet, so as to reduce the area that air intake blocks module and blocks air inlet, and after temperature reduces,
Deformation caused by shape memory alloy module is heated is restored, and drives air intake to block module in guide groove relative to air intake
Mouth is in contact the displacement in face, and increase air intake blocks module and the contact area of air inlet, reduces the area of air inlet, recovers
Module is blocked to air intake and completely attaches to the state closed with air inlet, so as to reduce the entrance of dust, moisture, solves fan meeting
The dust of surrounding air or moisture are brought into system, the reliability of caused serious threat to electronic component and use the longevity
The technical problem of life.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation for the device for automatically adjusting projecting apparatus air inlet air quantity provided in an embodiment of the present invention
Figure；
Fig. 2 is projector radiating principle schematic；
Structural representation when Fig. 3 is a kind of projecting apparatus high temperature provided in an embodiment of the present invention；
Structural representation when Fig. 4 is a kind of projecting apparatus low temperature provided in an embodiment of the present invention；
Wherein, marked in figure as follows：
1st, projecting apparatus；2nd, fin；3rd, blower fan；4th, air outlet；5th, air inlet；6th, projecting apparatus air inlet air quantity is automatically adjusted
Device；7th, air intake blocks module；8th, shape memory alloy module；9th, stuck-module；10th, cold drawing；11st, heat pipe；12nd, light source die
Block.
Embodiment
The embodiments of the invention provide a kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity, solve by
The dust of surrounding air or moisture can be brought into system by the pressure differential between fan and environment, and caused serious threat arrives
The reliability of electronic component and the technical problem of service life.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 2, the invention provides a kind of one embodiment for the device for automatically adjusting projecting apparatus air inlet air quantity
Structural representation.
The embodiments of the invention provide a kind of device for automatically adjusting projecting apparatus air inlet air quantity, including：
Module 7, shape memory alloy module 8 and stuck-module 9 are blocked in projector case, air intake；
Projector case offers air inlet 5, and the interior contact of the corresponding projector case of air inlet 5 is provided with air intake and blocked
Module 7, and air intake blocks the guide groove that the bottom of module 7 and projector case and/or top are set and matched；
The size that air intake blocks module 7 matches with the size of air inlet 5；
Shape memory alloy module 8, shape memory alloy module 8 are fixedly connected on air intake and block module 7 and stuck-module 9
Between；
Stuck-module 9 is fixedly installed on inside projector case with the unattached portion of shape memory alloy module 8.
It should be noted that when high temperature, shape memory alloy module 8 is heated to produce deformation, drives air intake to block module 7
It is subjected to displacement in guide groove relative to air inlet 5, so as to reduce the area that air intake blocks module 7 and blocks air inlet 5, and when temperature
After degree reduces, the heated caused deformation of shape memory alloy module 8 is restored, and drives air intake to block module 7 in guide groove
The interior displacement that face is in contact relative to air inlet 5, increase air intake block the contact area of module 7 and air inlet 5, reduce into
The area in air port 5, return to air intake and block the state that module 7 completely attaches to closing with air inlet 5, so as to reduce dust, moisture
Entrance, solving fan can be brought into the dust of surrounding air or moisture in system, caused serious threat to electronics member
The reliability of device and the technical problem of service life.
Further, shape memory alloy module 8 is shape memory alloy spring.
Further, it is cover plate that air intake, which blocks module 7,.
Further, stuck-module 9 is corner brace connector, and the first face of corner brace connector is fixedly installed on throwing by screw
In shadow instrument shell.
Further, the first end of shape memory alloy spring is connected by screw with cover plate.
Further, the second end of shape memory alloy spring is fixed by screw with the second face of corner brace connector and connected
Connect.
Further, when shape memory alloy spring is in normal temperature state, cover plate shelters from air inlet 5 completely.
It should be noted that shape memory alloy spring is in normal temperature state when being original state, cover plate shelters from completely
Air inlet 5, can be after temperature reduction, and the area that cover plate blocks air inlet 5 is maximum, further reduces dust and moisture enters
The inside of projecting apparatus 1.
Further, present invention also offers a kind of projecting apparatus, including projection is automatically adjusted described in any of the above one
The device of instrument air inlet air quantity, in addition to fin 2；
Automatically adjust stuck-module 9 and the 8 disconnected portion of shape memory alloy module of the device of projecting apparatus air inlet air quantity
Divide and be fixedly connected on fin 2.
Blocked it should be noted that shape memory alloy module 8 is fixedly connected on air intake between module 7 and stuck-module 9,
And stuck-module 9 is fixedly connected on fin 2 with the unattached portion of shape memory alloy module 8, when fin 2 works, product
The high temperature of storage can cause shape memory alloy module 8 to deform upon, as shown in figure 3, when the heat that fin 2 stores is too high,
Shape memory alloy module 8 deforms upon, and drive is blocked module 7 and occurred to the left in guide groove relative to the contact surface of air inlet 5
Displacement, increase the area of air inlet 5, as shown in figure 4, after temperature is reduced and, shape memory alloy module 8 can be recovered
To original shape, that is, drive and block module 7 displacement relative to the contact surface of air inlet 5 occurs to the right in guide groove, reduce
The area of air inlet 5, reduces dust and moisture is entered inside projecting apparatus 1.
Further, a kind of projecting apparatus provided by the invention also includes blower fan 3；
Blower fan 3 is correspondingly arranged with fin 2.
Further, a kind of projecting apparatus provided by the invention also includes air outlet 4；
Air outlet 4 is correspondingly arranged with blower fan 3；
Air outlet 4 is correspondingly arranged with fin 2.
It should be noted that when fin 2 works, substantial amounts of heat can be put aside, blower fan starts work by fin 2
Heat discharge projecting apparatus 1 from air outlet 4, reduce the temperature inside projecting apparatus 1, while be also internally formed one in projecting apparatus 1
Air channel so that cold wind is entered in projecting apparatus 1 from air inlet 5, and the heat on fin 2 is discharged from air outlet 4, realizes radiating
Effect.
Further, a kind of projecting apparatus provided by the invention also includes light source module 12, cold drawing 10 and heat pipe 11；
Cold drawing 10 is arranged on light source module 12；
Cold drawing 10 is connected by heat pipe 11 with fin 2；
Heat caused by light source module 12, transmitted after passing sequentially through cold drawing 10 and heat pipe 11 to fin 2.
It should be noted that light source module 12 produces amount of heat, pass through the cold drawing being set together with light source module 12
10, and stored with the heat pipe 11 of the connection of cold drawing 10 to fin 2.
It is apparent to those skilled in the art that for convenience and simplicity of description, the module of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. device for automatically adjusting projecting apparatus air inlet air quantity, it is characterised in that including：Module, shape memory alloy module and stuck-module are blocked in projector case, air intake；Projector case offers air inlet, and the interior contact that air inlet corresponds to projector case is provided with air intake and blocks module, And air intake blocks the guide groove that the bottom of module and projector case and/or top are set and matched；Air intake blocks the size of module and matched with the size of air inlet；Shape memory alloy module, shape memory alloy module are fixedly connected on air intake and blocked between module and stuck-module；Stuck-module is fixedly installed on inside projector case with shape memory alloy module unattached portion.
- 2. the device according to claim 1 for automatically adjusting projecting apparatus air inlet air quantity, it is characterised in that shape memory closes Golden module is shape memory alloy spring.
- 3. the device according to claim 2 for automatically adjusting projecting apparatus air inlet air quantity, it is characterised in that air intake blocks mould Block is cover plate.
- 4. the device according to claim 3 for automatically adjusting projecting apparatus air inlet air quantity, it is characterised in that stuck-module is Corner brace connector, the first face of corner brace connector are fixedly installed in projector case by screw.
- 5. the device according to claim 4 for automatically adjusting projecting apparatus air inlet air quantity, it is characterised in that shape memory closes The first end of golden spring is connected by screw with cover plate.
- 6. the device according to claim 5 for automatically adjusting projecting apparatus air inlet air quantity, it is characterised in that shape memory closes Second end of golden spring is fixedly connected with the second face of corner brace connector by screw.
- 7. a kind of projecting apparatus, it is characterised in that enter including the projecting apparatus that automatically adjusts described in any one in claim 1 to 6 The device of tuyere air volume, in addition to fin；The stuck-module and shape memory alloy module unattached portion for automatically adjusting the device of projecting apparatus air inlet air quantity are fixed It is connected to fin.
- 8. projecting apparatus according to claim 7, it is characterised in that also including blower fan；Blower fan is correspondingly arranged with fin.
- 9. projecting apparatus according to claim 7, it is characterised in that also including air outlet；Air outlet is correspondingly arranged with blower fan；Air outlet is correspondingly arranged with fin.
- 10. projecting apparatus according to claim 9, it is characterised in that also including light source module, cold drawing and heat pipe；Cold drawing is arranged on light source module；Cold drawing is connected by heat pipe with fin；Heat caused by light source module, transmitted after passing sequentially through cold drawing and heat pipe to fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750526.5A CN107390463A (en) | 2017-08-28 | 2017-08-28 | A kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750526.5A CN107390463A (en) | 2017-08-28 | 2017-08-28 | A kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107390463A true CN107390463A (en) | 2017-11-24 |
Family
ID=60345555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710750526.5A Pending CN107390463A (en) | 2017-08-28 | 2017-08-28 | A kind of device and projecting apparatus for automatically adjusting projecting apparatus air inlet air quantity |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809680Y (en) * | 2005-06-06 | 2006-08-23 | 普立尔科技股份有限公司 | Light source radiator regulating air discharge flow ratio on user's demand |
| US20070190926A1 (en) * | 2006-02-10 | 2007-08-16 | Benq Corporation | Electronic device and heat dissipation module thereof |
| CN101025557A (en) * | 2006-02-24 | 2007-08-29 | 精工爱普生株式会社 | Projector |
| CN101673032A (en) * | 2008-09-12 | 2010-03-17 | 中强光电股份有限公司 | Radiating device and projection display with same |
| CN101986199A (en) * | 2010-07-19 | 2011-03-16 | 深圳雅图数字视频技术有限公司 | Heat pipe cooling system for liquid crystal on silicon (LCOS) projector |
| CN104570565A (en) * | 2015-01-20 | 2015-04-29 | 无锡视美乐激光显示科技有限公司 | Cooling system and method of projector |
| CN106066564A (en) * | 2016-08-03 | 2016-11-02 | 广东威创视讯科技股份有限公司 | The air-cooled radiating device of scialyscope and method, scialyscope |
-
2017
- 2017-08-28 CN CN201710750526.5A patent/CN107390463A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809680Y (en) * | 2005-06-06 | 2006-08-23 | 普立尔科技股份有限公司 | Light source radiator regulating air discharge flow ratio on user's demand |
| US20070190926A1 (en) * | 2006-02-10 | 2007-08-16 | Benq Corporation | Electronic device and heat dissipation module thereof |
| CN101025557A (en) * | 2006-02-24 | 2007-08-29 | 精工爱普生株式会社 | Projector |
| CN101673032A (en) * | 2008-09-12 | 2010-03-17 | 中强光电股份有限公司 | Radiating device and projection display with same |
| CN101986199A (en) * | 2010-07-19 | 2011-03-16 | 深圳雅图数字视频技术有限公司 | Heat pipe cooling system for liquid crystal on silicon (LCOS) projector |
| CN104570565A (en) * | 2015-01-20 | 2015-04-29 | 无锡视美乐激光显示科技有限公司 | Cooling system and method of projector |
| CN106066564A (en) * | 2016-08-03 | 2016-11-02 | 广东威创视讯科技股份有限公司 | The air-cooled radiating device of scialyscope and method, scialyscope |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |