CN204044486U - Projector optical-mechanical structure - Google Patents
Projector optical-mechanical structure Download PDFInfo
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- CN204044486U CN204044486U CN201420544977.5U CN201420544977U CN204044486U CN 204044486 U CN204044486 U CN 204044486U CN 201420544977 U CN201420544977 U CN 201420544977U CN 204044486 U CN204044486 U CN 204044486U
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- accommodating cavity
- mechanical structure
- projection lens
- projector
- projector optical
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Abstract
The utility model discloses a kind of projector optical-mechanical structure, this projector optical-mechanical structure comprises: the accommodating cavity one of the metal material of lamp optical system and correspondence thereof; The accommodating cavity two of the plastic cement material of display chip and correspondence thereof; Accommodating cavity one and accommodating cavity two are carried out the metallic sealed cover of integral sealing; The projection lens system of projection lens and projection lens device composition.The mode that this projector architecture body adopts metal to be combined with plastic cement, efficiently solves projector heat radiation and precision problem, improves projection quality and the durability of projector.
Description
Technical field
The utility model relates to a kind of projector, particularly relates to a kind of projector optical-mechanical structure.
Background technology
Projector is the video device that modern commonly uses, and is widely used in bulletin, meeting or education and training, data can be projeced on larger plane or screen by projector.For projector, lamp optical system is the core component determining image quality, and be also the major part producing heat in projection machine optical system, if its surface radiating is bad, heat accumulation, then make the quality of projected image greatly reduce.Traditional mode is that optical system is outside exposed, therefore when there are dust, oil smoke and dust etc. in optical element wherein or image-forming component, will cause the pollution of parts, thus affecting the contrast of projector.And the cooling measure that projector adopts at present is the accommodating cavity using sheet metal to prepare optical bodies mostly, bear the effect of heat conduction, the heat that optical bodies is produced is passed by sheet metal.But adopt that all-metal material raises as the cost of the method not only Hui Shi projector of the accommodating cavity of optical system, weight increases, be not also suitable for requirement and illumination optical system and unify the display chip packaging body of projection lens height alignment.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
Based on the problems referred to above, the purpose of this utility model there are provided and a kind ofly can meet again the high-quality projection machine mechanical-optical setup of display chip high precision alignment by dust-proof radiating.
For achieving the above object, the utility model provides a kind of projector optical-mechanical structure, comprising: the lamp optical system be made up of solid state light emitter and light path converter device and the accommodating cavity one of the metal material of correspondence thereof; The accommodating cavity two of the plastic cement material of display chip and correspondence thereof, described accommodating cavity two is interconnected with accommodating cavity one; ; The projection lens system be made up of projection lens and projection lens device, described projection lens system is connected with accommodating cavity two; Seal cover board, by accommodating cavity one and accommodating cavity two integral sealing.
Preferably, in technique scheme, described accommodating cavity one and accommodating cavity two link into an integrated entity by helicitic texture or fixing riveted structure or bonded structure.
Preferably, in technique scheme, described seal cover board connects with the accommodating cavity one linked into an integrated entity and accommodating cavity two-phase by helicitic texture or fixing riveted joint, and form seal chamber structure, light-proofness is better.
Preferably, in technique scheme, described projection lens system connects by helicitic texture or fixing riveted structure and accommodating cavity two-phase.
Preferably, in technique scheme, elastic caoutchouc pad is provided with between described helicitic texture or fixing riveted structure connecting portion, make accommodating cavity one and accommodating cavity two compact siro spinning technology, and there is elasticity because of rubber sheet gasket, can finely tune accommodating cavity one and accommodating cavity two position, make its height alignment.
Preferably, in technique scheme, described seal cover board is metal material, such as: aluminium alloy or magnesium alloy, has good thermal conductivity and cost is lower, density is less.
Preferably, in technique scheme, described solid state light emitter is LED light source or LASER Light Source.
Preferably, in technique scheme, described display chip is DMD or LCOS or LCD.
Preferably, in technique scheme, described projection lens device can be plastic cement material or metal material, uses plastic cement material that the cost of projector and weight can be made to reduce; Use metal material then can dispel the heat further.
Compared with prior art, the utility model has following beneficial effect: the mode that this projector optical-mechanical structure adopts metal to be combined with plastic cement, efficiently solves projector heat radiation and precision problem, improves projection quality and the durability of projector; The accommodating cavity one of package illumination optical system adopts metal material to prepare, can realize encapsulation and heat radiation became one, have high heat conductance metal can by solid state light emitter produce heat effectively pass; And the accommodating cavity two encapsulating display chip adopts plastic cement material to prepare, because plastic cement material dimensional accuracy is higher, display chip and illumination optical system can be met and to unify the requirement of projection lens height alignment.
Accompanying drawing explanation
Fig. 1 is the inner structure schematic diagram of projector optical-mechanical structure of the present utility model preferred embodiment;
Fig. 2 a and Fig. 2 b is respectively the perspective view of the accommodating cavity one and two of projector optical-mechanical structure of the present utility model preferred embodiment;
Fig. 3 is the perspective view of projector optical-mechanical structure of the present utility model preferred embodiment.
Embodiment
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
Fig. 1 is the inner structure schematic diagram of projector optical-mechanical structure of the present utility model preferred embodiment; Fig. 2 a and Fig. 2 b is respectively the perspective view of the accommodating cavity one and two of projector optical-mechanical structure of the present utility model preferred embodiment; Fig. 3 is the perspective view of projector optical-mechanical structure of the present utility model preferred embodiment.
As shown in figures 1 and 3, the projector optical-mechanical structure of projector optical-mechanical structure of the present utility model preferred embodiment comprises: the lamp optical system be made up of solid state light emitter 10a and light path converter device and the accommodating cavity 1 of correspondence thereof; The accommodating cavity 2 20 of display chip (not marking in figure) and correspondence thereof; The projection lens system be made up of projection lens and projection lens device 30; Seal cover board 40, by accommodating cavity one and accommodating cavity two integral sealing.
Accommodating cavity 1 is provided with the mounting structure of solid state light emitter 10a and the installation draw-in groove of each optical element of optical path switching device, can changes according to accommodating ray machine light path; Accommodating cavity 1 is as the accommodating cavity of lamp optical system, low to the compare accommodating cavity 2 20 of display chip of the requirement of precision, therefore accommodating cavity 1 adopts metal (as metallic copper or the aluminium etc.) preparation with high heat conductance, the heat that solid state light emitter 10a produces can be passed effectively, the heat dissipation problem of projection light machine is solved, projection light machine is had advantages such as power is high, quality good and the life-span is long from source.Accommodating cavity 2 20 is provided with the installation draw-in groove of display chip and required optical element, plastic cement material preparation is adopted to be because the plasticity of plastic cement material is stronger, dimensional accuracy is higher, meets display chip and illumination optical system and to unify the requirement of projection lens height alignment.
Projection lens device 30, is provided with the helicitic texture that projection lens is installed draw-in groove, focusing structure 31 and can be connected with accommodating cavity 2 20, can adopt plastic cement material or metal material preparation; Adopt plastic cement material preparation to have make display chip and projection lens height alignment and reduce the cost of projector and the advantage of weight; And adopt metal material to prepare, then can solve the problem of projector optical-mechanical structure heat radiation further.Projection lens device 30 also can use other modes to be connected with accommodating cavity 2 20, such as: fixing riveted structure etc.
Seal cover board 40 is metal material, preferably uses aluminium alloy or magnesium alloy materials preparation.The accommodating cavity 1 linked into an integrated entity and accommodating cavity 2 20 are carried out integral sealing by helicitic texture by seal cover board 40, separate with accommodating cavity two mode sealed with accommodating cavity one to compare, the existence in gap can be reduced like this, light-proofness and sealing better.Seal cover board 40 also can use other modes to be connected with the accommodating cavity 1 linked into an integrated entity and accommodating cavity 2 20, such as: fixing riveted structure etc.
As shown in Figure 2 a and 2 b, the accommodating cavity 1 of metal material is provided with screw hole column 11 and 12, similarly, the accommodating cavity 2 20 of plastic cement material is provided with screw hole column 21 and 22.When accommodating cavity 1 is connected with accommodating cavity 2 20, the screw hole column 11 on accommodating cavity 1 and screw hole column 12 is aimed at the screw hole column 21 on accommodating cavity 2 20 and screw hole column 22 respectively, is then fixed with the bolt corresponding with screw hole column.Elastic caoutchouc pad can be placed between corresponding screw hole column 11 and screw hole column 21 (screw hole column 12 and screw hole column 22), because rubber sheet gasket has elasticity, by the tightness of adjusting bolt, accommodating cavity one and accommodating cavity two position are finely tuned, make its height alignment, make accommodating cavity one and accommodating cavity two compact siro spinning technology.Similarly, if accommodating cavity one and accommodating cavity two use fixing riveted structure to be connected, between connecting portion, also elastic caoutchouc pad can be provided with; Seal cover board 40 and also can be provided with elastic caoutchouc pad between the accommodating cavity 1 linked into an integrated entity and the connecting portion of accommodating cavity 2 20; Also elastic caoutchouc pad can be provided with between the connecting portion of projection lens device 30 and accommodating cavity 2 20.
It should be noted that, the utility model does not limit the connected mode between the concrete structure of each several part and each several part, such as: the draw-in groove on accommodating cavity one and accommodating cavity two and mounting structure for light source can be changed according to installed position of optical element and number, they link into an integrated entity by helicitic texture or fixing riveted structure or bonded structure between the two; Also do not limit the type of solid state light emitter and the type of display chip, such as: solid state light emitter can be LED light source or LASER Light Source, display chip can be DMD or LCOS or LCD.
To sum up, the mode that this projector optical-mechanical structure adopts metal material to be combined with plastic cement material, efficiently solves projector heat radiation and precision problem, improves projection quality and the durability of projector; The accommodating cavity one of package illumination optical system adopts metal material to prepare, encapsulation and heat radiation became one, and the accommodating cavity two encapsulating display chip adopts plastic cement material to prepare, dimensional accuracy is higher, meets display chip and illumination optical system and to unify the requirement of projection lens height alignment.
Above content is the further description done the utility model in conjunction with optimal technical scheme, can not assert that the concrete enforcement of utility model is only limitted to these explanations.Concerning the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, simple deduction and replacement can be made, all should be considered as this practical novel protection domain.
Claims (9)
1. a projector optical-mechanical structure, is characterized in that, comprising:
The lamp optical system be made up of solid state light emitter and light path converter device and the accommodating cavity one of the metal material of correspondence thereof;
The accommodating cavity two of plastic cement material of display chip and correspondence thereof, described accommodating cavity two is interconnected with accommodating cavity one;
The projection lens system be made up of projection lens and projection lens device, described projection lens system is connected with accommodating cavity two;
Seal cover board, by accommodating cavity one and accommodating cavity two integral sealing.
2. projector optical-mechanical structure according to claim 1, is characterized in that, described accommodating cavity one and accommodating cavity two are connected by helicitic texture or fixing riveted structure or bonded structure.
3. projector optical-mechanical structure according to claim 1, is characterized in that, described seal cover board connects with the accommodating cavity one linked into an integrated entity and accommodating cavity two-phase by helicitic texture or fixing riveted structure.
4. projector optical-mechanical structure according to claim 1, is characterized in that, described projection lens system connects by helicitic texture or fixing riveted structure and accommodating cavity two-phase.
5. the projector optical-mechanical structure according to claim 2-4 any one, is characterized in that, is provided with elastic caoutchouc pad between described helicitic texture or fixing riveted structure connecting portion.
6. projector optical-mechanical structure according to claim 1, is characterized in that, described seal cover board is metal material.
7. projector optical-mechanical structure according to claim 1, is characterized in that, described solid state light emitter is LED light source or LASER Light Source.
8. projector optical-mechanical structure according to claim 1, is characterized in that, described display chip is DMD or LCOS or LCD.
9. projector optical-mechanical structure according to claim 1, is characterized in that, described projection lens device can be plastic cement material or metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544977.5U CN204044486U (en) | 2014-09-22 | 2014-09-22 | Projector optical-mechanical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544977.5U CN204044486U (en) | 2014-09-22 | 2014-09-22 | Projector optical-mechanical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044486U true CN204044486U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420544977.5U Expired - Fee Related CN204044486U (en) | 2014-09-22 | 2014-09-22 | Projector optical-mechanical structure |
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| Country | Link |
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| CN (1) | CN204044486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182666A (en) * | 2015-08-07 | 2015-12-23 | 苏州佳世达光电有限公司 | Projection device |
| JP2017009901A (en) * | 2015-06-25 | 2017-01-12 | 日本精機株式会社 | Optical modulating element module and projection type display device |
| CN108919595A (en) * | 2018-06-19 | 2018-11-30 | 青岛海信激光显示股份有限公司 | Three color laser light sources of one kind and laser projection tv |
-
2014
- 2014-09-22 CN CN201420544977.5U patent/CN204044486U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017009901A (en) * | 2015-06-25 | 2017-01-12 | 日本精機株式会社 | Optical modulating element module and projection type display device |
| CN105182666A (en) * | 2015-08-07 | 2015-12-23 | 苏州佳世达光电有限公司 | Projection device |
| CN108919595A (en) * | 2018-06-19 | 2018-11-30 | 青岛海信激光显示股份有限公司 | Three color laser light sources of one kind and laser projection tv |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170324 Address after: Hongkong Wan Chai Road No. 66 notice China Pico building 18 floor Patentee after: Guangjing Shirui Technology (Hong Kong) Co.,Ltd. Address before: Hongkong Wan Chai Road No. 66 notice China Pico building 18 floor Patentee before: Iview Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 |