CN107728415A - Ultra short focal projector and its Polarizer adjustment and optical system inspection method - Google Patents
Ultra short focal projector and its Polarizer adjustment and optical system inspection method Download PDFInfo
- Publication number
- CN107728415A CN107728415A CN201710983768.9A CN201710983768A CN107728415A CN 107728415 A CN107728415 A CN 107728415A CN 201710983768 A CN201710983768 A CN 201710983768A CN 107728415 A CN107728415 A CN 107728415A
- Authority
- CN
- China
- Prior art keywords
- platform
- speculum
- polarizer
- pedestal
- projection lens
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007689 inspection Methods 0.000 title claims abstract description 11
- 230000003287 optical effect Effects 0.000 title claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000005286 illumination Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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
- G03B21/28—Reflectors in projection beam
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
- Microscoopes, Condenser (AREA)
Abstract
With optical system inspection method, light source, light source cooling fan above platform, illumination are that unit, illumination are cooling device, projection lens and Polarizer for ultra short focal projector and its Polarizer adjustment；Side edge positioned at projection lens on platform has the mirror support device of support speculum, is connected between speculum and mirror support device for slidingtype, and speculum is slidably to the front side of described projection lens；Pedestal is provided with below platform, tumbler is provided between platform and pedestal, rotary type platform structure is formed between platform and pedestal.Platform is first rotated into 180 degree relative to pedestal, speculum is pulled out, speculum is set to be located on front side of projection lens, projection lens emits beam to be radiated on original screen after speculum reflects, Polarizer is adjusted using Polarizer adjusting screw, Polarizer optimum position is determined by the image on view screen, Polarizer adjusting screw is then fastened, platform is gone back into 180 degree and retracts speculum.
Description
Technical field
The present invention relates to a kind of projector and its Polarizer adjustment and optical system inspection method, particularly a kind of ultrashort Jiao throws
Shadow machine and its Polarizer adjustment and optical system inspection method.
Background technology
Existing ultra short focal projector, including platform, the light source above platform, the light source cooling to match with light source
It is that unit, illumination are cooling with device, projection lens and the Polarizer fixed using Polarizer adjusting screw with fan, illumination.
In use, the light that projection lens is sent is projected directly on screen, and when can cross Polarizer adjusting screw adjustment Polarizer, operation
Personnel can block the light that projection lens is sent, the image that can not be completely clearly observed during adjustment on screen, to essence
Really adjustment Polarizer position makes troubles, and wastes time and energy.
The content of the invention
It is an object of the invention to provide do not produce any shadow to projected image during a kind of simple in construction, adjustment polarisation Board position
Ring, adjust accurate, time saving and energy saving ultra short focal projector and its Polarizer adjustment and optical system inspection method, overcome prior art
Deficiency.
The present invention ultra short focal projector, including platform, the light source above platform, with light source matching light source it is cold
But it is that unit, illumination are cooling with device, projection lens and the polarisation fixed using Polarizer adjusting screw with fan, illumination
Plate；Side edge positioned at projection lens on platform is provided with the mirror support device of support speculum, speculum and reflection
Connected between mirror support meanss for slidingtype, speculum is slidably to the front side of described projection lens；It is provided with below platform
Pedestal, tumbler is provided between platform and pedestal, rotary type platform structure is formed between platform and pedestal.
Connected between described platform and pedestal by vertical shaft and/or bearing.
Polarizer adjustment and the optical system inspection method of the ultra short focal projector of the present invention, described ultra short focal projector,
Light source including platform, above platform, the light source cooling fan to match with light source, illumination are that unit, illumination are cold
But with device, projection lens and the Polarizer fixed using Polarizer adjusting screw；It is located at the side of projection lens on platform
The mirror support device of support speculum is provided with side, is connected between speculum and mirror support device for slidingtype, instead
Mirror is penetrated slidably to the front side of described projection lens；Pedestal is provided with below platform, tumbler is provided between platform and pedestal,
Rotary type platform structure is formed between platform and pedestal；Connected between described platform and pedestal by vertical shaft and/or bearing；Institute
The method and step stated is as follows：Platform is first rotated into 180 degree relative to pedestal, and speculum is pulled out, makes speculum positioned at projection
The front side of camera lens, the light that projection lens is sent are radiated on original screen after speculum reflects, adjusted using Polarizer
Screw adjusts Polarizer, and Polarizer optimum position is determined by the image on view screen, then fastens Polarizer adjusting screw,
Platform is finally gone back into 180 degree and retracts speculum.
The ultra short focal projector of the present invention, when adjusting Polarizer, platform can be rotated to 180 degree, and speculum is pulled out, made
Speculum is located at the front side of projection lens, and the light that projection lens is sent is radiated on original screen after speculum reflects,
The light projected is no longer pass through Polarizer side, and operating personnel are no longer blocked when adjusting Polarizer using Polarizer adjusting screw
Light, image when ensure that adjustment on screen is completely clear, and image, Polarizer adjustment and light are facilitated look at while adjustment
It is that inspection is time saving and energy saving to learn, and easy to adjust, mirror support device is simple in construction, and it is convenient to slide.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Embodiment
Embodiment 1：
As shown in Figure 1：The present invention ultra short focal projector, including platform 1, the light source 8 above platform 1, with the phase of light source 8
The light source cooling fan 9 matched somebody with somebody, illumination are that unit 7, illumination are cooling device 5, projection lens 3 and utilize Polarizer adjustment spiral shell
The Polarizer that nail 6 is fixed.
On the platform 1 face be located at projection lens 3 side edge be fixed with support speculum 4 mirror support device 2,
Connected between speculum 4 and mirror support device 2 for slidingtype, i.e., using slideway sliding block connected mode, other also can be selected
Slide construction, slided as long as ensureing that speculum 4 is logical relative to mirror support device 4 is relative.Speculum 4 is slidably to throwing
The front side of shadow camera lens 3, ensure that the light that projection lens 3 is sent can reflect on speculum 4.
Pedestal 10 is provided with below platform 1, tumbler, shape between platform 1 and pedestal 10 are provided between platform 1 and pedestal 10
Into rotary type platform structure.It can be connected between platform 1 and pedestal 10 by vertical shaft and/or bearing.It will manually can put down
Platform 1 rotates 180 degree relative to pedestal 10, and can limit during stopping a block piece.
When adjusting Polarizer, platform 1 can be rotated to 180 degree, and speculum 4 is pulled out, speculum 4 is located at projection lens
3 front side, the light that projection lens 3 is sent are radiated on former screen after the reflection of speculum 4, that is, the light projected no longer passes through
Polarizer side is crossed, operating personnel no longer shut out the light when adjusting Polarizer using Polarizer adjusting screw 6, when ensure that adjustment
Image on screen is completely clear, facilitates look at image while adjustment, time saving and energy saving, easy to adjust, mirror support dress
Put 2 simple in construction, slip convenience.180 degree is turned round after adjustment again, and speculum 4 is retracted.
Embodiment 2：
As shown in Figure 1：Polarizer adjustment and the optical system inspection method of the ultra short focal projector of the present invention, wherein ultrashort out-of-focus projection
Machine, including platform 1, the light source 8 above platform 1, with light source 8 match light source cooling fan 9, illumination be unit 7,
Illumination is cooling device 5, projection lens 3 and the Polarizer fixed using Polarizer adjusting screw 6.
On the platform 1 face be located at projection lens 3 side edge be fixed with support speculum 4 mirror support device 2,
Connected between speculum 4 and mirror support device 2 for slidingtype, i.e., using slideway sliding block connected mode, other also can be selected
Slide construction, slided as long as ensureing that speculum 4 is logical relative to mirror support device 4 is relative.Speculum 4 is slidably to throwing
The front side of shadow camera lens 3, ensure that the light that projection lens 3 is sent can reflect on speculum 4.
Pedestal 10 is provided with below platform 1, tumbler, shape between platform 1 and pedestal 10 are provided between platform 1 and pedestal 10
Into rotary type platform structure.It can be connected between platform 1 and pedestal 10 by vertical shaft and/or bearing.It will manually can put down
Platform 1 rotates 180 degree relative to pedestal 10, and can limit during stopping a block piece.
The Polarizer adjustment of ultra short focal projector is as follows with optical system inspection method step：First by platform 1 relative to pedestal
10 rotate 180 degree, and speculum 4 is pulled out, and speculum 4 is located at the front side of projection lens 3, the light that projection lens 3 is sent
It is radiated at after the reflection of speculum 4 on original screen, adjusts Polarizer using Polarizer adjusting screw 6, pass through view screen
On image determine Polarizer optimum position, then fasten Polarizer adjusting screw 6, platform 1 finally gone back into 180 degree and retracted
Speculum 4.
Operating personnel no longer shut out the light when adjusting Polarizer using Polarizer adjusting screw 6, screen when ensure that adjustment
On image it is completely clear, image is facilitated look at while adjustment, it is time saving and energy saving that Polarizer adjustment checks with optical system, adjusts
Convenient, mirror support device 2 is simple in construction, and it is convenient to slide.
Claims (3)
1. a kind of ultra short focal projector, including platform（1）, installed in platform（1）Light source above（8）With light source（8）Match
Light source cooling fan（9）, illumination be unit（7）, illumination be cooling device（5）, projection lens（3）And adjusted using Polarizer
Whole screw（6）Fixed Polarizer；It is characterized in that：In platform（1）It is located at projection lens above（3）Side edge be provided with support
Speculum（4）Mirror support device（2）, speculum（4）With mirror support device（2）Between for slidingtype connect, instead
Penetrate mirror（4）Slidably to described projection lens（3）Front side；In platform（1）Lower section is provided with pedestal（10）, platform（1）With base
Seat（10）Between be provided with tumbler, platform（1）With pedestal（10）Between formed rotary type platform structure.
2. ultra short focal projector according to claim 1, it is characterised in that：Described platform（1）With pedestal（10）Between
Connected by vertical shaft and/or bearing.
3. Polarizer adjustment and the optical system inspection method of a kind of ultra short focal projector, it is characterised in that：Described ultrashort burnt throwing
Shadow machine, including platform（1）, installed in platform（1）Light source above（8）With light source（8）The light source cooling fan of matching（9）、
Illumination is unit（7）, illumination be cooling device（5）, projection lens（3）And utilize Polarizer adjusting screw（6）Fixed is inclined
Tabula rasa；In platform（1）It is located at projection lens above（3）Side edge be provided with support speculum（4）Mirror support device
（2）, speculum（4）With mirror support device（2）Between for slidingtype connect, speculum（4）Slidably to described projection
Camera lens（3）Front side；In platform（1）Lower section is provided with pedestal（10）, platform（1）With pedestal（10）Between be provided with tumbler, platform
（1）With pedestal（10）Between formed rotary type platform structure；
Described platform（1）With pedestal（10）Between pass through vertical shaft and/or bearing and connect；
Described method and step is as follows：First by platform（1）180 degree is rotated relative to pedestal, and by speculum（4）Pull out, make anti-
Penetrate mirror（4）Positioned at projection lens（3）Front side, projection lens（3）The light sent passes through speculum（4）Original is radiated at after reflection
Come on screen, utilize Polarizer adjusting screw（6）Polarizer is adjusted, Polarizer optimum bit is determined by the image on view screen
Put, then fasten Polarizer adjusting screw（6）, finally by platform（1）Go back to 180 degree and retract speculum（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983768.9A CN107728415B (en) | 2017-10-20 | 2017-10-20 | Ultra-short focal length projector and polarizing plate adjustment and optical system inspection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983768.9A CN107728415B (en) | 2017-10-20 | 2017-10-20 | Ultra-short focal length projector and polarizing plate adjustment and optical system inspection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107728415A true CN107728415A (en) | 2018-02-23 |
| CN107728415B CN107728415B (en) | 2024-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710983768.9A Active CN107728415B (en) | 2017-10-20 | 2017-10-20 | Ultra-short focal length projector and polarizing plate adjustment and optical system inspection method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107728415B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113867092A (en) * | 2021-08-19 | 2021-12-31 | 闽南理工学院 | Novel intelligent adjustment and calibration system for curved-surface reflection cup of ultra-short-focus display lens |
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| CN1510454A (en) * | 2002-12-24 | 2004-07-07 | ������������ʽ���� | Case for optical element, optical device and projector |
| CN1532624A (en) * | 2003-03-19 | 2004-09-29 | 台达电子工业股份有限公司 | Light path regulator of optical machine and rear-projector with said regulator |
| CN1882065A (en) * | 2005-06-14 | 2006-12-20 | 索尼株式会社 | Projection television apparatus |
| US20070195441A1 (en) * | 2004-08-18 | 2007-08-23 | Mitsubishi Electric Corporation | Supporting Mechanism Of Reflector And Projection Apparatus |
| CN101533212A (en) * | 2008-03-14 | 2009-09-16 | 深圳华强三洋技术设计有限公司 | Fan component and liquid crystal projecting device adopting the fan component |
| CN103353704A (en) * | 2013-06-25 | 2013-10-16 | 深圳市安华光电技术有限公司 | Projector having direct projection mode and reflecting projection mode |
| CN206292517U (en) * | 2016-12-08 | 2017-06-30 | 广东建业显示信息技术有限公司 | A kind of ultrashort burnt reflective projection machine |
| CN106990662A (en) * | 2017-05-15 | 2017-07-28 | 海信集团有限公司 | A kind of governor motion of projector's mean camber speculum and projector |
| CN207380436U (en) * | 2017-10-20 | 2018-05-18 | 中国华录·松下电子信息有限公司 | Ultra short focal projector |
-
2017
- 2017-10-20 CN CN201710983768.9A patent/CN107728415B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175707A (en) * | 1996-08-19 | 1998-03-11 | 精工爱普生株式会社 | Projection type display device |
| CN1510454A (en) * | 2002-12-24 | 2004-07-07 | ������������ʽ���� | Case for optical element, optical device and projector |
| CN1532624A (en) * | 2003-03-19 | 2004-09-29 | 台达电子工业股份有限公司 | Light path regulator of optical machine and rear-projector with said regulator |
| US20070195441A1 (en) * | 2004-08-18 | 2007-08-23 | Mitsubishi Electric Corporation | Supporting Mechanism Of Reflector And Projection Apparatus |
| CN1882065A (en) * | 2005-06-14 | 2006-12-20 | 索尼株式会社 | Projection television apparatus |
| CN101533212A (en) * | 2008-03-14 | 2009-09-16 | 深圳华强三洋技术设计有限公司 | Fan component and liquid crystal projecting device adopting the fan component |
| CN103353704A (en) * | 2013-06-25 | 2013-10-16 | 深圳市安华光电技术有限公司 | Projector having direct projection mode and reflecting projection mode |
| CN206292517U (en) * | 2016-12-08 | 2017-06-30 | 广东建业显示信息技术有限公司 | A kind of ultrashort burnt reflective projection machine |
| CN106990662A (en) * | 2017-05-15 | 2017-07-28 | 海信集团有限公司 | A kind of governor motion of projector's mean camber speculum and projector |
| CN207380436U (en) * | 2017-10-20 | 2018-05-18 | 中国华录·松下电子信息有限公司 | Ultra short focal projector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113867092A (en) * | 2021-08-19 | 2021-12-31 | 闽南理工学院 | Novel intelligent adjustment and calibration system for curved-surface reflection cup of ultra-short-focus display lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107728415B (en) | 2024-04-26 |
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