CN2594833Y - Radiating device for LCOS projecting TV illuminating system - Google Patents
Radiating device for LCOS projecting TV illuminating system Download PDFInfo
- Publication number
- CN2594833Y CN2594833Y CN 02295755 CN02295755U CN2594833Y CN 2594833 Y CN2594833 Y CN 2594833Y CN 02295755 CN02295755 CN 02295755 CN 02295755 U CN02295755 U CN 02295755U CN 2594833 Y CN2594833 Y CN 2594833Y
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- CN
- China
- Prior art keywords
- source box
- light
- light source
- aerofoil fan
- utility
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Abstract
The utility model relates to a radiating device for an LCOS projecting TV illuminating system, which belongs to the technical field of liquid crystal projectors. The utility model is composed of axial flow fans (1) and (2) and a light source box (3), wherein, a ventilating and radiating air passage is formed inside the light source box (3); the axial flow fan (1) is arranged on a bottom board of the light source box (3) in the mode that wind is blown into the light source box (3) from the outside of the light source box (3), and the axial flow fan (2) is fixed in front of an air outlet (7), which is arranged on the side surface of the light source box (3), in the mode that the wind is exhausted outside from the inside of the light source box (3). The utility model has the advantages that the radiating air flow is smooth in flow, the radiating effect is obvious, optical elements are ensured to be small in thermal deformation and can not generate thermal damage, and the projecting imaging quality and the service life of the optical element are simultaneously improved, and the utility model is particularly suitable for being used for the LCOS projecting TV illuminating system.
Description
Technical field
The utility model relates to a kind of heat abstractor of the LCOS of being used for projection TV illuminator, belongs to the liquid crystal projector technical field.
Background technology
The heat abstractor of LCOS projection TV illuminator generally adopts a sending out the hot fan, outside the heat shedder in the illuminator at present.Because stopping of the optical element in the illuminator, it is not smooth to cause exhaust stream to flow, and radiating effect is not good, and optical element generation thermal deformation, cause thermal damage directly have influence on serviceable life of the image quality and the above-mentioned optical element of projected picture.As use a powerful sending out the hot fan instead, and volume is big on the one hand, and noise is also big, and heat radiation is subjected to the restriction of radiating rate and area of dissipation on the other hand, and effect is also not obvious.
Summary of the invention
The purpose of this utility model provides a kind of heat abstractor of the LCOS of being used for projection TV illuminator, and this device can make the optical element in the illuminator obtain forced-ventilated heat, guarantees that optical element is working properly.
The utility model is by achieving the above object by the following technical solutions.Now be described with reference to the accompanying drawings the structure of the related heat abstractor of the utility model: a kind of heat abstractor of the LCOS of being used for projection TV illuminator, by aerofoil fan (1), (2) and light-source box (3) form, be equipped with by optical element in the light-source box (3): the illuminator that back fly lens group (5) and cold mirror group (6) etc. are formed, it is characterized in that, the inside of light-source box (3) constitutes the ventilation and heat air channel, aerofoil fan (1) is installed on light-source box (3) base plate in the mode toward the interior blowing of light-source box (3) outside light-source box (3), aerofoil fan (1) be positioned at back fly lens group (5) and cold mirror group (6) under, aerofoil fan (2) is fixed on the dead ahead of the air outlet (7) of the side that is positioned at light-source box (3) in the mode of air draft outside the past light-source box (3) in light-source box (3).
Principle of work.Cold wind is blown into light-source box (3) by aerofoil fan (1), cold wind stream from the bottom up, through the illuminator of forming by back fly lens group (5) and reflective mirror group (6) etc. in light-source box (3), back fly lens group (5) is shone because of being subjected to intense illumination, the local temperature height, cold wind stream absorbs the heat that illuminator sends on one side and becomes hot blast stream, air channel by upper box lid (4) formation, the flow direction is installed in the aerofoil fan (2) in dead ahead of the air outlet (7) of side, by aerofoil fan (2) hot blast stream is discharged outside light-source box (3) in light-source box (3) by force, be forced-ventilated heat, reduced the temperature of illuminator and interior optical element thereof effectively.
Compare with background technology, it is unobstructed that the utility model has radiating airflow to flow, and radiating effect is obvious, guarantees that the optical element thermal deformation is little and cause thermal damage does not take place, projection imaging's quality and optical element improved advantage of while in serviceable life.
Description of drawings
Fig. 1 is the structural representation of heat abstractor of the present utility model.Fig. 2 is the inner structure synoptic diagram of heat abstractor of the present utility model, and wherein upper box lid (4) is by removal.
Embodiment
A kind of heat abstractor that is used for LCOS projection TV illuminator with said structure is characterized in that, the upper box lid (4) of light-source box (3) upwards arches upward, and forms the air channel of past side air draft in the case.This air channel makes the smooth earthing of hot blast lead to air outlet (7).
A kind of heat abstractor that is used for LCOS projection TV illuminator with said structure or embodiment 1 structure is characterized in that the power of aerofoil fan (2) is greater than the power of aerofoil fan (1).Aerofoil fan (2) also will be taken out the heat that the localized hyperthermia district of back fly lens group (5) sends except the heat of mainly taking out projector's high light high temperature bulb and being given off.
Heat abstractor of the present utility model is particularly suitable for being used for LCOS projection TV illuminator.
Claims (3)
1. heat abstractor that is used for LCOS projection TV illuminator, by aerofoil fan (1), (2) and light-source box (3) form, be equipped with by optical element in the light-source box (3): the illuminator that back fly lens group (5) and cold mirror group (6) etc. are formed, it is characterized in that, the inside of light-source box (3) constitutes the ventilation and heat air channel, aerofoil fan (1) is installed on light-source box (3) base plate in the mode toward the interior blowing of light-source box (3) outside light-source box (3), aerofoil fan (1) be positioned at back fly lens group (5) and cold mirror group (6) under, aerofoil fan (2) is fixed on the dead ahead of the air outlet (7) of the side that is positioned at light-source box (3) in the mode of air draft outside the past light-source box (3) in light-source box (3).
2. the heat abstractor that is used for LCOS projection TV illuminator according to claim 1 is characterized in that, the upper box lid (4) of light-source box (3) upwards arches upward, and forms the air channel of past side air draft in the case.
3. the heat abstractor that is used for LCOS projection TV illuminator according to claim 1 and 2 is characterized in that, the power of aerofoil fan (2) is greater than the power of aerofoil fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02295755 CN2594833Y (en) | 2002-12-31 | 2002-12-31 | Radiating device for LCOS projecting TV illuminating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02295755 CN2594833Y (en) | 2002-12-31 | 2002-12-31 | Radiating device for LCOS projecting TV illuminating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2594833Y true CN2594833Y (en) | 2003-12-24 |
Family
ID=33752617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02295755 Expired - Fee Related CN2594833Y (en) | 2002-12-31 | 2002-12-31 | Radiating device for LCOS projecting TV illuminating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2594833Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425500A (en) * | 2022-11-03 | 2022-12-02 | 中国航天三江集团有限公司 | Air-cooled heat dissipation device with symmetrically adjustable inner cavity for transmission optical element and using method |
-
2002
- 2002-12-31 CN CN 02295755 patent/CN2594833Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425500A (en) * | 2022-11-03 | 2022-12-02 | 中国航天三江集团有限公司 | Air-cooled heat dissipation device with symmetrically adjustable inner cavity for transmission optical element and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Ye Keli Designer after: Zhang Hongzhen Designer after: Wu Hanzhang Designer after: Hou Yongle Designer after: Li Jianguo Designer before: Ye Keluo Designer before: Zhang Hongzhen Designer before: Wu Hanzhang Designer before: Hou Yongle Designer before: Li Jianguo |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: YE KELUO; ZHANG HONGZHEN; WU HANZHANG; HOU YONGLE; LI JIANGUO TO: YE KELUO; ZHANG HONGZHEN; WU HANZHANG; HOU YONGLE; LI JIANGUO |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |